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79e53945 JB |
1 | /* |
2 | * Copyright © 2006-2007 Intel Corporation | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: | |
24 | * Eric Anholt <eric@anholt.net> | |
25 | */ | |
26 | ||
618563e3 | 27 | #include <linux/dmi.h> |
c1c7af60 JB |
28 | #include <linux/module.h> |
29 | #include <linux/input.h> | |
79e53945 | 30 | #include <linux/i2c.h> |
7662c8bd | 31 | #include <linux/kernel.h> |
5a0e3ad6 | 32 | #include <linux/slab.h> |
9cce37f4 | 33 | #include <linux/vgaarb.h> |
e0dac65e | 34 | #include <drm/drm_edid.h> |
760285e7 | 35 | #include <drm/drmP.h> |
79e53945 | 36 | #include "intel_drv.h" |
5d723d7a | 37 | #include "intel_frontbuffer.h" |
760285e7 | 38 | #include <drm/i915_drm.h> |
79e53945 | 39 | #include "i915_drv.h" |
c37efb99 | 40 | #include "i915_gem_dmabuf.h" |
db18b6a6 | 41 | #include "intel_dsi.h" |
e5510fac | 42 | #include "i915_trace.h" |
319c1d42 | 43 | #include <drm/drm_atomic.h> |
c196e1d6 | 44 | #include <drm/drm_atomic_helper.h> |
760285e7 DH |
45 | #include <drm/drm_dp_helper.h> |
46 | #include <drm/drm_crtc_helper.h> | |
465c120c MR |
47 | #include <drm/drm_plane_helper.h> |
48 | #include <drm/drm_rect.h> | |
c0f372b3 | 49 | #include <linux/dma_remapping.h> |
fd8e058a | 50 | #include <linux/reservation.h> |
79e53945 | 51 | |
5a21b665 DV |
52 | static bool is_mmio_work(struct intel_flip_work *work) |
53 | { | |
54 | return work->mmio_work.func; | |
55 | } | |
56 | ||
465c120c | 57 | /* Primary plane formats for gen <= 3 */ |
568db4f2 | 58 | static const uint32_t i8xx_primary_formats[] = { |
67fe7dc5 DL |
59 | DRM_FORMAT_C8, |
60 | DRM_FORMAT_RGB565, | |
465c120c | 61 | DRM_FORMAT_XRGB1555, |
67fe7dc5 | 62 | DRM_FORMAT_XRGB8888, |
465c120c MR |
63 | }; |
64 | ||
65 | /* Primary plane formats for gen >= 4 */ | |
568db4f2 | 66 | static const uint32_t i965_primary_formats[] = { |
6c0fd451 DL |
67 | DRM_FORMAT_C8, |
68 | DRM_FORMAT_RGB565, | |
69 | DRM_FORMAT_XRGB8888, | |
70 | DRM_FORMAT_XBGR8888, | |
71 | DRM_FORMAT_XRGB2101010, | |
72 | DRM_FORMAT_XBGR2101010, | |
73 | }; | |
74 | ||
75 | static const uint32_t skl_primary_formats[] = { | |
67fe7dc5 DL |
76 | DRM_FORMAT_C8, |
77 | DRM_FORMAT_RGB565, | |
78 | DRM_FORMAT_XRGB8888, | |
465c120c | 79 | DRM_FORMAT_XBGR8888, |
67fe7dc5 | 80 | DRM_FORMAT_ARGB8888, |
465c120c MR |
81 | DRM_FORMAT_ABGR8888, |
82 | DRM_FORMAT_XRGB2101010, | |
465c120c | 83 | DRM_FORMAT_XBGR2101010, |
ea916ea0 KM |
84 | DRM_FORMAT_YUYV, |
85 | DRM_FORMAT_YVYU, | |
86 | DRM_FORMAT_UYVY, | |
87 | DRM_FORMAT_VYUY, | |
465c120c MR |
88 | }; |
89 | ||
3d7d6510 MR |
90 | /* Cursor formats */ |
91 | static const uint32_t intel_cursor_formats[] = { | |
92 | DRM_FORMAT_ARGB8888, | |
93 | }; | |
94 | ||
f1f644dc | 95 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 96 | struct intel_crtc_state *pipe_config); |
18442d08 | 97 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
5cec258b | 98 | struct intel_crtc_state *pipe_config); |
f1f644dc | 99 | |
eb1bfe80 JB |
100 | static int intel_framebuffer_init(struct drm_device *dev, |
101 | struct intel_framebuffer *ifb, | |
102 | struct drm_mode_fb_cmd2 *mode_cmd, | |
103 | struct drm_i915_gem_object *obj); | |
5b18e57c DV |
104 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc); |
105 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc); | |
bc58be60 | 106 | static void intel_set_pipe_src_size(struct intel_crtc *intel_crtc); |
29407aab | 107 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, |
f769cd24 VK |
108 | struct intel_link_m_n *m_n, |
109 | struct intel_link_m_n *m2_n2); | |
29407aab | 110 | static void ironlake_set_pipeconf(struct drm_crtc *crtc); |
229fca97 | 111 | static void haswell_set_pipeconf(struct drm_crtc *crtc); |
391bf048 | 112 | static void haswell_set_pipemisc(struct drm_crtc *crtc); |
d288f65f | 113 | static void vlv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 114 | const struct intel_crtc_state *pipe_config); |
d288f65f | 115 | static void chv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 116 | const struct intel_crtc_state *pipe_config); |
5a21b665 DV |
117 | static void intel_begin_crtc_commit(struct drm_crtc *, struct drm_crtc_state *); |
118 | static void intel_finish_crtc_commit(struct drm_crtc *, struct drm_crtc_state *); | |
549e2bfb CK |
119 | static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_crtc, |
120 | struct intel_crtc_state *crtc_state); | |
bfd16b2a ML |
121 | static void skylake_pfit_enable(struct intel_crtc *crtc); |
122 | static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force); | |
123 | static void ironlake_pfit_enable(struct intel_crtc *crtc); | |
043e9bda | 124 | static void intel_modeset_setup_hw_state(struct drm_device *dev); |
2622a081 | 125 | static void intel_pre_disable_primary_noatomic(struct drm_crtc *crtc); |
4e5ca60f | 126 | static int ilk_max_pixel_rate(struct drm_atomic_state *state); |
324513c0 | 127 | static int bxt_calc_cdclk(int max_pixclk); |
e7457a9a | 128 | |
d4906093 | 129 | struct intel_limit { |
4c5def93 ACO |
130 | struct { |
131 | int min, max; | |
132 | } dot, vco, n, m, m1, m2, p, p1; | |
133 | ||
134 | struct { | |
135 | int dot_limit; | |
136 | int p2_slow, p2_fast; | |
137 | } p2; | |
d4906093 | 138 | }; |
79e53945 | 139 | |
bfa7df01 VS |
140 | /* returns HPLL frequency in kHz */ |
141 | static int valleyview_get_vco(struct drm_i915_private *dev_priv) | |
142 | { | |
143 | int hpll_freq, vco_freq[] = { 800, 1600, 2000, 2400 }; | |
144 | ||
145 | /* Obtain SKU information */ | |
146 | mutex_lock(&dev_priv->sb_lock); | |
147 | hpll_freq = vlv_cck_read(dev_priv, CCK_FUSE_REG) & | |
148 | CCK_FUSE_HPLL_FREQ_MASK; | |
149 | mutex_unlock(&dev_priv->sb_lock); | |
150 | ||
151 | return vco_freq[hpll_freq] * 1000; | |
152 | } | |
153 | ||
c30fec65 VS |
154 | int vlv_get_cck_clock(struct drm_i915_private *dev_priv, |
155 | const char *name, u32 reg, int ref_freq) | |
bfa7df01 VS |
156 | { |
157 | u32 val; | |
158 | int divider; | |
159 | ||
bfa7df01 VS |
160 | mutex_lock(&dev_priv->sb_lock); |
161 | val = vlv_cck_read(dev_priv, reg); | |
162 | mutex_unlock(&dev_priv->sb_lock); | |
163 | ||
164 | divider = val & CCK_FREQUENCY_VALUES; | |
165 | ||
166 | WARN((val & CCK_FREQUENCY_STATUS) != | |
167 | (divider << CCK_FREQUENCY_STATUS_SHIFT), | |
168 | "%s change in progress\n", name); | |
169 | ||
c30fec65 VS |
170 | return DIV_ROUND_CLOSEST(ref_freq << 1, divider + 1); |
171 | } | |
172 | ||
173 | static int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv, | |
174 | const char *name, u32 reg) | |
175 | { | |
176 | if (dev_priv->hpll_freq == 0) | |
177 | dev_priv->hpll_freq = valleyview_get_vco(dev_priv); | |
178 | ||
179 | return vlv_get_cck_clock(dev_priv, name, reg, | |
180 | dev_priv->hpll_freq); | |
bfa7df01 VS |
181 | } |
182 | ||
e7dc33f3 VS |
183 | static int |
184 | intel_pch_rawclk(struct drm_i915_private *dev_priv) | |
d2acd215 | 185 | { |
e7dc33f3 VS |
186 | return (I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK) * 1000; |
187 | } | |
d2acd215 | 188 | |
e7dc33f3 VS |
189 | static int |
190 | intel_vlv_hrawclk(struct drm_i915_private *dev_priv) | |
191 | { | |
19ab4ed3 | 192 | /* RAWCLK_FREQ_VLV register updated from power well code */ |
35d38d1f VS |
193 | return vlv_get_cck_clock_hpll(dev_priv, "hrawclk", |
194 | CCK_DISPLAY_REF_CLOCK_CONTROL); | |
d2acd215 DV |
195 | } |
196 | ||
e7dc33f3 VS |
197 | static int |
198 | intel_g4x_hrawclk(struct drm_i915_private *dev_priv) | |
79e50a4f | 199 | { |
79e50a4f JN |
200 | uint32_t clkcfg; |
201 | ||
e7dc33f3 | 202 | /* hrawclock is 1/4 the FSB frequency */ |
79e50a4f JN |
203 | clkcfg = I915_READ(CLKCFG); |
204 | switch (clkcfg & CLKCFG_FSB_MASK) { | |
205 | case CLKCFG_FSB_400: | |
e7dc33f3 | 206 | return 100000; |
79e50a4f | 207 | case CLKCFG_FSB_533: |
e7dc33f3 | 208 | return 133333; |
79e50a4f | 209 | case CLKCFG_FSB_667: |
e7dc33f3 | 210 | return 166667; |
79e50a4f | 211 | case CLKCFG_FSB_800: |
e7dc33f3 | 212 | return 200000; |
79e50a4f | 213 | case CLKCFG_FSB_1067: |
e7dc33f3 | 214 | return 266667; |
79e50a4f | 215 | case CLKCFG_FSB_1333: |
e7dc33f3 | 216 | return 333333; |
79e50a4f JN |
217 | /* these two are just a guess; one of them might be right */ |
218 | case CLKCFG_FSB_1600: | |
219 | case CLKCFG_FSB_1600_ALT: | |
e7dc33f3 | 220 | return 400000; |
79e50a4f | 221 | default: |
e7dc33f3 | 222 | return 133333; |
79e50a4f JN |
223 | } |
224 | } | |
225 | ||
19ab4ed3 | 226 | void intel_update_rawclk(struct drm_i915_private *dev_priv) |
e7dc33f3 VS |
227 | { |
228 | if (HAS_PCH_SPLIT(dev_priv)) | |
229 | dev_priv->rawclk_freq = intel_pch_rawclk(dev_priv); | |
230 | else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) | |
231 | dev_priv->rawclk_freq = intel_vlv_hrawclk(dev_priv); | |
232 | else if (IS_G4X(dev_priv) || IS_PINEVIEW(dev_priv)) | |
233 | dev_priv->rawclk_freq = intel_g4x_hrawclk(dev_priv); | |
234 | else | |
235 | return; /* no rawclk on other platforms, or no need to know it */ | |
236 | ||
237 | DRM_DEBUG_DRIVER("rawclk rate: %d kHz\n", dev_priv->rawclk_freq); | |
238 | } | |
239 | ||
bfa7df01 VS |
240 | static void intel_update_czclk(struct drm_i915_private *dev_priv) |
241 | { | |
666a4537 | 242 | if (!(IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))) |
bfa7df01 VS |
243 | return; |
244 | ||
245 | dev_priv->czclk_freq = vlv_get_cck_clock_hpll(dev_priv, "czclk", | |
246 | CCK_CZ_CLOCK_CONTROL); | |
247 | ||
248 | DRM_DEBUG_DRIVER("CZ clock rate: %d kHz\n", dev_priv->czclk_freq); | |
249 | } | |
250 | ||
021357ac | 251 | static inline u32 /* units of 100MHz */ |
21a727b3 VS |
252 | intel_fdi_link_freq(struct drm_i915_private *dev_priv, |
253 | const struct intel_crtc_state *pipe_config) | |
021357ac | 254 | { |
21a727b3 VS |
255 | if (HAS_DDI(dev_priv)) |
256 | return pipe_config->port_clock; /* SPLL */ | |
257 | else if (IS_GEN5(dev_priv)) | |
258 | return ((I915_READ(FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK) + 2) * 10000; | |
e3b247da | 259 | else |
21a727b3 | 260 | return 270000; |
021357ac CW |
261 | } |
262 | ||
1b6f4958 | 263 | static const struct intel_limit intel_limits_i8xx_dac = { |
0206e353 | 264 | .dot = { .min = 25000, .max = 350000 }, |
9c333719 | 265 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 266 | .n = { .min = 2, .max = 16 }, |
0206e353 AJ |
267 | .m = { .min = 96, .max = 140 }, |
268 | .m1 = { .min = 18, .max = 26 }, | |
269 | .m2 = { .min = 6, .max = 16 }, | |
270 | .p = { .min = 4, .max = 128 }, | |
271 | .p1 = { .min = 2, .max = 33 }, | |
273e27ca EA |
272 | .p2 = { .dot_limit = 165000, |
273 | .p2_slow = 4, .p2_fast = 2 }, | |
e4b36699 KP |
274 | }; |
275 | ||
1b6f4958 | 276 | static const struct intel_limit intel_limits_i8xx_dvo = { |
5d536e28 | 277 | .dot = { .min = 25000, .max = 350000 }, |
9c333719 | 278 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 279 | .n = { .min = 2, .max = 16 }, |
5d536e28 DV |
280 | .m = { .min = 96, .max = 140 }, |
281 | .m1 = { .min = 18, .max = 26 }, | |
282 | .m2 = { .min = 6, .max = 16 }, | |
283 | .p = { .min = 4, .max = 128 }, | |
284 | .p1 = { .min = 2, .max = 33 }, | |
285 | .p2 = { .dot_limit = 165000, | |
286 | .p2_slow = 4, .p2_fast = 4 }, | |
287 | }; | |
288 | ||
1b6f4958 | 289 | static const struct intel_limit intel_limits_i8xx_lvds = { |
0206e353 | 290 | .dot = { .min = 25000, .max = 350000 }, |
9c333719 | 291 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 292 | .n = { .min = 2, .max = 16 }, |
0206e353 AJ |
293 | .m = { .min = 96, .max = 140 }, |
294 | .m1 = { .min = 18, .max = 26 }, | |
295 | .m2 = { .min = 6, .max = 16 }, | |
296 | .p = { .min = 4, .max = 128 }, | |
297 | .p1 = { .min = 1, .max = 6 }, | |
273e27ca EA |
298 | .p2 = { .dot_limit = 165000, |
299 | .p2_slow = 14, .p2_fast = 7 }, | |
e4b36699 | 300 | }; |
273e27ca | 301 | |
1b6f4958 | 302 | static const struct intel_limit intel_limits_i9xx_sdvo = { |
0206e353 AJ |
303 | .dot = { .min = 20000, .max = 400000 }, |
304 | .vco = { .min = 1400000, .max = 2800000 }, | |
305 | .n = { .min = 1, .max = 6 }, | |
306 | .m = { .min = 70, .max = 120 }, | |
4f7dfb67 PJ |
307 | .m1 = { .min = 8, .max = 18 }, |
308 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
309 | .p = { .min = 5, .max = 80 }, |
310 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
311 | .p2 = { .dot_limit = 200000, |
312 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
313 | }; |
314 | ||
1b6f4958 | 315 | static const struct intel_limit intel_limits_i9xx_lvds = { |
0206e353 AJ |
316 | .dot = { .min = 20000, .max = 400000 }, |
317 | .vco = { .min = 1400000, .max = 2800000 }, | |
318 | .n = { .min = 1, .max = 6 }, | |
319 | .m = { .min = 70, .max = 120 }, | |
53a7d2d1 PJ |
320 | .m1 = { .min = 8, .max = 18 }, |
321 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
322 | .p = { .min = 7, .max = 98 }, |
323 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
324 | .p2 = { .dot_limit = 112000, |
325 | .p2_slow = 14, .p2_fast = 7 }, | |
e4b36699 KP |
326 | }; |
327 | ||
273e27ca | 328 | |
1b6f4958 | 329 | static const struct intel_limit intel_limits_g4x_sdvo = { |
273e27ca EA |
330 | .dot = { .min = 25000, .max = 270000 }, |
331 | .vco = { .min = 1750000, .max = 3500000}, | |
332 | .n = { .min = 1, .max = 4 }, | |
333 | .m = { .min = 104, .max = 138 }, | |
334 | .m1 = { .min = 17, .max = 23 }, | |
335 | .m2 = { .min = 5, .max = 11 }, | |
336 | .p = { .min = 10, .max = 30 }, | |
337 | .p1 = { .min = 1, .max = 3}, | |
338 | .p2 = { .dot_limit = 270000, | |
339 | .p2_slow = 10, | |
340 | .p2_fast = 10 | |
044c7c41 | 341 | }, |
e4b36699 KP |
342 | }; |
343 | ||
1b6f4958 | 344 | static const struct intel_limit intel_limits_g4x_hdmi = { |
273e27ca EA |
345 | .dot = { .min = 22000, .max = 400000 }, |
346 | .vco = { .min = 1750000, .max = 3500000}, | |
347 | .n = { .min = 1, .max = 4 }, | |
348 | .m = { .min = 104, .max = 138 }, | |
349 | .m1 = { .min = 16, .max = 23 }, | |
350 | .m2 = { .min = 5, .max = 11 }, | |
351 | .p = { .min = 5, .max = 80 }, | |
352 | .p1 = { .min = 1, .max = 8}, | |
353 | .p2 = { .dot_limit = 165000, | |
354 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
355 | }; |
356 | ||
1b6f4958 | 357 | static const struct intel_limit intel_limits_g4x_single_channel_lvds = { |
273e27ca EA |
358 | .dot = { .min = 20000, .max = 115000 }, |
359 | .vco = { .min = 1750000, .max = 3500000 }, | |
360 | .n = { .min = 1, .max = 3 }, | |
361 | .m = { .min = 104, .max = 138 }, | |
362 | .m1 = { .min = 17, .max = 23 }, | |
363 | .m2 = { .min = 5, .max = 11 }, | |
364 | .p = { .min = 28, .max = 112 }, | |
365 | .p1 = { .min = 2, .max = 8 }, | |
366 | .p2 = { .dot_limit = 0, | |
367 | .p2_slow = 14, .p2_fast = 14 | |
044c7c41 | 368 | }, |
e4b36699 KP |
369 | }; |
370 | ||
1b6f4958 | 371 | static const struct intel_limit intel_limits_g4x_dual_channel_lvds = { |
273e27ca EA |
372 | .dot = { .min = 80000, .max = 224000 }, |
373 | .vco = { .min = 1750000, .max = 3500000 }, | |
374 | .n = { .min = 1, .max = 3 }, | |
375 | .m = { .min = 104, .max = 138 }, | |
376 | .m1 = { .min = 17, .max = 23 }, | |
377 | .m2 = { .min = 5, .max = 11 }, | |
378 | .p = { .min = 14, .max = 42 }, | |
379 | .p1 = { .min = 2, .max = 6 }, | |
380 | .p2 = { .dot_limit = 0, | |
381 | .p2_slow = 7, .p2_fast = 7 | |
044c7c41 | 382 | }, |
e4b36699 KP |
383 | }; |
384 | ||
1b6f4958 | 385 | static const struct intel_limit intel_limits_pineview_sdvo = { |
0206e353 AJ |
386 | .dot = { .min = 20000, .max = 400000}, |
387 | .vco = { .min = 1700000, .max = 3500000 }, | |
273e27ca | 388 | /* Pineview's Ncounter is a ring counter */ |
0206e353 AJ |
389 | .n = { .min = 3, .max = 6 }, |
390 | .m = { .min = 2, .max = 256 }, | |
273e27ca | 391 | /* Pineview only has one combined m divider, which we treat as m2. */ |
0206e353 AJ |
392 | .m1 = { .min = 0, .max = 0 }, |
393 | .m2 = { .min = 0, .max = 254 }, | |
394 | .p = { .min = 5, .max = 80 }, | |
395 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
396 | .p2 = { .dot_limit = 200000, |
397 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
398 | }; |
399 | ||
1b6f4958 | 400 | static const struct intel_limit intel_limits_pineview_lvds = { |
0206e353 AJ |
401 | .dot = { .min = 20000, .max = 400000 }, |
402 | .vco = { .min = 1700000, .max = 3500000 }, | |
403 | .n = { .min = 3, .max = 6 }, | |
404 | .m = { .min = 2, .max = 256 }, | |
405 | .m1 = { .min = 0, .max = 0 }, | |
406 | .m2 = { .min = 0, .max = 254 }, | |
407 | .p = { .min = 7, .max = 112 }, | |
408 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
409 | .p2 = { .dot_limit = 112000, |
410 | .p2_slow = 14, .p2_fast = 14 }, | |
e4b36699 KP |
411 | }; |
412 | ||
273e27ca EA |
413 | /* Ironlake / Sandybridge |
414 | * | |
415 | * We calculate clock using (register_value + 2) for N/M1/M2, so here | |
416 | * the range value for them is (actual_value - 2). | |
417 | */ | |
1b6f4958 | 418 | static const struct intel_limit intel_limits_ironlake_dac = { |
273e27ca EA |
419 | .dot = { .min = 25000, .max = 350000 }, |
420 | .vco = { .min = 1760000, .max = 3510000 }, | |
421 | .n = { .min = 1, .max = 5 }, | |
422 | .m = { .min = 79, .max = 127 }, | |
423 | .m1 = { .min = 12, .max = 22 }, | |
424 | .m2 = { .min = 5, .max = 9 }, | |
425 | .p = { .min = 5, .max = 80 }, | |
426 | .p1 = { .min = 1, .max = 8 }, | |
427 | .p2 = { .dot_limit = 225000, | |
428 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
429 | }; |
430 | ||
1b6f4958 | 431 | static const struct intel_limit intel_limits_ironlake_single_lvds = { |
273e27ca EA |
432 | .dot = { .min = 25000, .max = 350000 }, |
433 | .vco = { .min = 1760000, .max = 3510000 }, | |
434 | .n = { .min = 1, .max = 3 }, | |
435 | .m = { .min = 79, .max = 118 }, | |
436 | .m1 = { .min = 12, .max = 22 }, | |
437 | .m2 = { .min = 5, .max = 9 }, | |
438 | .p = { .min = 28, .max = 112 }, | |
439 | .p1 = { .min = 2, .max = 8 }, | |
440 | .p2 = { .dot_limit = 225000, | |
441 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
442 | }; |
443 | ||
1b6f4958 | 444 | static const struct intel_limit intel_limits_ironlake_dual_lvds = { |
273e27ca EA |
445 | .dot = { .min = 25000, .max = 350000 }, |
446 | .vco = { .min = 1760000, .max = 3510000 }, | |
447 | .n = { .min = 1, .max = 3 }, | |
448 | .m = { .min = 79, .max = 127 }, | |
449 | .m1 = { .min = 12, .max = 22 }, | |
450 | .m2 = { .min = 5, .max = 9 }, | |
451 | .p = { .min = 14, .max = 56 }, | |
452 | .p1 = { .min = 2, .max = 8 }, | |
453 | .p2 = { .dot_limit = 225000, | |
454 | .p2_slow = 7, .p2_fast = 7 }, | |
b91ad0ec ZW |
455 | }; |
456 | ||
273e27ca | 457 | /* LVDS 100mhz refclk limits. */ |
1b6f4958 | 458 | static const struct intel_limit intel_limits_ironlake_single_lvds_100m = { |
273e27ca EA |
459 | .dot = { .min = 25000, .max = 350000 }, |
460 | .vco = { .min = 1760000, .max = 3510000 }, | |
461 | .n = { .min = 1, .max = 2 }, | |
462 | .m = { .min = 79, .max = 126 }, | |
463 | .m1 = { .min = 12, .max = 22 }, | |
464 | .m2 = { .min = 5, .max = 9 }, | |
465 | .p = { .min = 28, .max = 112 }, | |
0206e353 | 466 | .p1 = { .min = 2, .max = 8 }, |
273e27ca EA |
467 | .p2 = { .dot_limit = 225000, |
468 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
469 | }; |
470 | ||
1b6f4958 | 471 | static const struct intel_limit intel_limits_ironlake_dual_lvds_100m = { |
273e27ca EA |
472 | .dot = { .min = 25000, .max = 350000 }, |
473 | .vco = { .min = 1760000, .max = 3510000 }, | |
474 | .n = { .min = 1, .max = 3 }, | |
475 | .m = { .min = 79, .max = 126 }, | |
476 | .m1 = { .min = 12, .max = 22 }, | |
477 | .m2 = { .min = 5, .max = 9 }, | |
478 | .p = { .min = 14, .max = 42 }, | |
0206e353 | 479 | .p1 = { .min = 2, .max = 6 }, |
273e27ca EA |
480 | .p2 = { .dot_limit = 225000, |
481 | .p2_slow = 7, .p2_fast = 7 }, | |
4547668a ZY |
482 | }; |
483 | ||
1b6f4958 | 484 | static const struct intel_limit intel_limits_vlv = { |
f01b7962 VS |
485 | /* |
486 | * These are the data rate limits (measured in fast clocks) | |
487 | * since those are the strictest limits we have. The fast | |
488 | * clock and actual rate limits are more relaxed, so checking | |
489 | * them would make no difference. | |
490 | */ | |
491 | .dot = { .min = 25000 * 5, .max = 270000 * 5 }, | |
75e53986 | 492 | .vco = { .min = 4000000, .max = 6000000 }, |
a0c4da24 | 493 | .n = { .min = 1, .max = 7 }, |
a0c4da24 JB |
494 | .m1 = { .min = 2, .max = 3 }, |
495 | .m2 = { .min = 11, .max = 156 }, | |
b99ab663 | 496 | .p1 = { .min = 2, .max = 3 }, |
5fdc9c49 | 497 | .p2 = { .p2_slow = 2, .p2_fast = 20 }, /* slow=min, fast=max */ |
a0c4da24 JB |
498 | }; |
499 | ||
1b6f4958 | 500 | static const struct intel_limit intel_limits_chv = { |
ef9348c8 CML |
501 | /* |
502 | * These are the data rate limits (measured in fast clocks) | |
503 | * since those are the strictest limits we have. The fast | |
504 | * clock and actual rate limits are more relaxed, so checking | |
505 | * them would make no difference. | |
506 | */ | |
507 | .dot = { .min = 25000 * 5, .max = 540000 * 5}, | |
17fe1021 | 508 | .vco = { .min = 4800000, .max = 6480000 }, |
ef9348c8 CML |
509 | .n = { .min = 1, .max = 1 }, |
510 | .m1 = { .min = 2, .max = 2 }, | |
511 | .m2 = { .min = 24 << 22, .max = 175 << 22 }, | |
512 | .p1 = { .min = 2, .max = 4 }, | |
513 | .p2 = { .p2_slow = 1, .p2_fast = 14 }, | |
514 | }; | |
515 | ||
1b6f4958 | 516 | static const struct intel_limit intel_limits_bxt = { |
5ab7b0b7 ID |
517 | /* FIXME: find real dot limits */ |
518 | .dot = { .min = 0, .max = INT_MAX }, | |
e6292556 | 519 | .vco = { .min = 4800000, .max = 6700000 }, |
5ab7b0b7 ID |
520 | .n = { .min = 1, .max = 1 }, |
521 | .m1 = { .min = 2, .max = 2 }, | |
522 | /* FIXME: find real m2 limits */ | |
523 | .m2 = { .min = 2 << 22, .max = 255 << 22 }, | |
524 | .p1 = { .min = 2, .max = 4 }, | |
525 | .p2 = { .p2_slow = 1, .p2_fast = 20 }, | |
526 | }; | |
527 | ||
cdba954e ACO |
528 | static bool |
529 | needs_modeset(struct drm_crtc_state *state) | |
530 | { | |
fc596660 | 531 | return drm_atomic_crtc_needs_modeset(state); |
cdba954e ACO |
532 | } |
533 | ||
dccbea3b ID |
534 | /* |
535 | * Platform specific helpers to calculate the port PLL loopback- (clock.m), | |
536 | * and post-divider (clock.p) values, pre- (clock.vco) and post-divided fast | |
537 | * (clock.dot) clock rates. This fast dot clock is fed to the port's IO logic. | |
538 | * The helpers' return value is the rate of the clock that is fed to the | |
539 | * display engine's pipe which can be the above fast dot clock rate or a | |
540 | * divided-down version of it. | |
541 | */ | |
f2b115e6 | 542 | /* m1 is reserved as 0 in Pineview, n is a ring counter */ |
9e2c8475 | 543 | static int pnv_calc_dpll_params(int refclk, struct dpll *clock) |
79e53945 | 544 | { |
2177832f SL |
545 | clock->m = clock->m2 + 2; |
546 | clock->p = clock->p1 * clock->p2; | |
ed5ca77e | 547 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
dccbea3b | 548 | return 0; |
fb03ac01 VS |
549 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
550 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
dccbea3b ID |
551 | |
552 | return clock->dot; | |
2177832f SL |
553 | } |
554 | ||
7429e9d4 DV |
555 | static uint32_t i9xx_dpll_compute_m(struct dpll *dpll) |
556 | { | |
557 | return 5 * (dpll->m1 + 2) + (dpll->m2 + 2); | |
558 | } | |
559 | ||
9e2c8475 | 560 | static int i9xx_calc_dpll_params(int refclk, struct dpll *clock) |
2177832f | 561 | { |
7429e9d4 | 562 | clock->m = i9xx_dpll_compute_m(clock); |
79e53945 | 563 | clock->p = clock->p1 * clock->p2; |
ed5ca77e | 564 | if (WARN_ON(clock->n + 2 == 0 || clock->p == 0)) |
dccbea3b | 565 | return 0; |
fb03ac01 VS |
566 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n + 2); |
567 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
dccbea3b ID |
568 | |
569 | return clock->dot; | |
79e53945 JB |
570 | } |
571 | ||
9e2c8475 | 572 | static int vlv_calc_dpll_params(int refclk, struct dpll *clock) |
589eca67 ID |
573 | { |
574 | clock->m = clock->m1 * clock->m2; | |
575 | clock->p = clock->p1 * clock->p2; | |
576 | if (WARN_ON(clock->n == 0 || clock->p == 0)) | |
dccbea3b | 577 | return 0; |
589eca67 ID |
578 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
579 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
dccbea3b ID |
580 | |
581 | return clock->dot / 5; | |
589eca67 ID |
582 | } |
583 | ||
9e2c8475 | 584 | int chv_calc_dpll_params(int refclk, struct dpll *clock) |
ef9348c8 CML |
585 | { |
586 | clock->m = clock->m1 * clock->m2; | |
587 | clock->p = clock->p1 * clock->p2; | |
588 | if (WARN_ON(clock->n == 0 || clock->p == 0)) | |
dccbea3b | 589 | return 0; |
ef9348c8 CML |
590 | clock->vco = DIV_ROUND_CLOSEST_ULL((uint64_t)refclk * clock->m, |
591 | clock->n << 22); | |
592 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
dccbea3b ID |
593 | |
594 | return clock->dot / 5; | |
ef9348c8 CML |
595 | } |
596 | ||
7c04d1d9 | 597 | #define INTELPllInvalid(s) do { /* DRM_DEBUG(s); */ return false; } while (0) |
79e53945 JB |
598 | /** |
599 | * Returns whether the given set of divisors are valid for a given refclk with | |
600 | * the given connectors. | |
601 | */ | |
602 | ||
1b894b59 | 603 | static bool intel_PLL_is_valid(struct drm_device *dev, |
1b6f4958 | 604 | const struct intel_limit *limit, |
9e2c8475 | 605 | const struct dpll *clock) |
79e53945 | 606 | { |
f01b7962 VS |
607 | if (clock->n < limit->n.min || limit->n.max < clock->n) |
608 | INTELPllInvalid("n out of range\n"); | |
79e53945 | 609 | if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1) |
0206e353 | 610 | INTELPllInvalid("p1 out of range\n"); |
79e53945 | 611 | if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2) |
0206e353 | 612 | INTELPllInvalid("m2 out of range\n"); |
79e53945 | 613 | if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1) |
0206e353 | 614 | INTELPllInvalid("m1 out of range\n"); |
f01b7962 | 615 | |
666a4537 WB |
616 | if (!IS_PINEVIEW(dev) && !IS_VALLEYVIEW(dev) && |
617 | !IS_CHERRYVIEW(dev) && !IS_BROXTON(dev)) | |
f01b7962 VS |
618 | if (clock->m1 <= clock->m2) |
619 | INTELPllInvalid("m1 <= m2\n"); | |
620 | ||
666a4537 | 621 | if (!IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev) && !IS_BROXTON(dev)) { |
f01b7962 VS |
622 | if (clock->p < limit->p.min || limit->p.max < clock->p) |
623 | INTELPllInvalid("p out of range\n"); | |
624 | if (clock->m < limit->m.min || limit->m.max < clock->m) | |
625 | INTELPllInvalid("m out of range\n"); | |
626 | } | |
627 | ||
79e53945 | 628 | if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) |
0206e353 | 629 | INTELPllInvalid("vco out of range\n"); |
79e53945 JB |
630 | /* XXX: We may need to be checking "Dot clock" depending on the multiplier, |
631 | * connector, etc., rather than just a single range. | |
632 | */ | |
633 | if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) | |
0206e353 | 634 | INTELPllInvalid("dot out of range\n"); |
79e53945 JB |
635 | |
636 | return true; | |
637 | } | |
638 | ||
3b1429d9 | 639 | static int |
1b6f4958 | 640 | i9xx_select_p2_div(const struct intel_limit *limit, |
3b1429d9 VS |
641 | const struct intel_crtc_state *crtc_state, |
642 | int target) | |
79e53945 | 643 | { |
3b1429d9 | 644 | struct drm_device *dev = crtc_state->base.crtc->dev; |
79e53945 | 645 | |
2d84d2b3 | 646 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
79e53945 | 647 | /* |
a210b028 DV |
648 | * For LVDS just rely on its current settings for dual-channel. |
649 | * We haven't figured out how to reliably set up different | |
650 | * single/dual channel state, if we even can. | |
79e53945 | 651 | */ |
1974cad0 | 652 | if (intel_is_dual_link_lvds(dev)) |
3b1429d9 | 653 | return limit->p2.p2_fast; |
79e53945 | 654 | else |
3b1429d9 | 655 | return limit->p2.p2_slow; |
79e53945 JB |
656 | } else { |
657 | if (target < limit->p2.dot_limit) | |
3b1429d9 | 658 | return limit->p2.p2_slow; |
79e53945 | 659 | else |
3b1429d9 | 660 | return limit->p2.p2_fast; |
79e53945 | 661 | } |
3b1429d9 VS |
662 | } |
663 | ||
70e8aa21 ACO |
664 | /* |
665 | * Returns a set of divisors for the desired target clock with the given | |
666 | * refclk, or FALSE. The returned values represent the clock equation: | |
667 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. | |
668 | * | |
669 | * Target and reference clocks are specified in kHz. | |
670 | * | |
671 | * If match_clock is provided, then best_clock P divider must match the P | |
672 | * divider from @match_clock used for LVDS downclocking. | |
673 | */ | |
3b1429d9 | 674 | static bool |
1b6f4958 | 675 | i9xx_find_best_dpll(const struct intel_limit *limit, |
3b1429d9 | 676 | struct intel_crtc_state *crtc_state, |
9e2c8475 ACO |
677 | int target, int refclk, struct dpll *match_clock, |
678 | struct dpll *best_clock) | |
3b1429d9 VS |
679 | { |
680 | struct drm_device *dev = crtc_state->base.crtc->dev; | |
9e2c8475 | 681 | struct dpll clock; |
3b1429d9 | 682 | int err = target; |
79e53945 | 683 | |
0206e353 | 684 | memset(best_clock, 0, sizeof(*best_clock)); |
79e53945 | 685 | |
3b1429d9 VS |
686 | clock.p2 = i9xx_select_p2_div(limit, crtc_state, target); |
687 | ||
42158660 ZY |
688 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
689 | clock.m1++) { | |
690 | for (clock.m2 = limit->m2.min; | |
691 | clock.m2 <= limit->m2.max; clock.m2++) { | |
c0efc387 | 692 | if (clock.m2 >= clock.m1) |
42158660 ZY |
693 | break; |
694 | for (clock.n = limit->n.min; | |
695 | clock.n <= limit->n.max; clock.n++) { | |
696 | for (clock.p1 = limit->p1.min; | |
697 | clock.p1 <= limit->p1.max; clock.p1++) { | |
79e53945 JB |
698 | int this_err; |
699 | ||
dccbea3b | 700 | i9xx_calc_dpll_params(refclk, &clock); |
ac58c3f0 DV |
701 | if (!intel_PLL_is_valid(dev, limit, |
702 | &clock)) | |
703 | continue; | |
704 | if (match_clock && | |
705 | clock.p != match_clock->p) | |
706 | continue; | |
707 | ||
708 | this_err = abs(clock.dot - target); | |
709 | if (this_err < err) { | |
710 | *best_clock = clock; | |
711 | err = this_err; | |
712 | } | |
713 | } | |
714 | } | |
715 | } | |
716 | } | |
717 | ||
718 | return (err != target); | |
719 | } | |
720 | ||
70e8aa21 ACO |
721 | /* |
722 | * Returns a set of divisors for the desired target clock with the given | |
723 | * refclk, or FALSE. The returned values represent the clock equation: | |
724 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. | |
725 | * | |
726 | * Target and reference clocks are specified in kHz. | |
727 | * | |
728 | * If match_clock is provided, then best_clock P divider must match the P | |
729 | * divider from @match_clock used for LVDS downclocking. | |
730 | */ | |
ac58c3f0 | 731 | static bool |
1b6f4958 | 732 | pnv_find_best_dpll(const struct intel_limit *limit, |
a93e255f | 733 | struct intel_crtc_state *crtc_state, |
9e2c8475 ACO |
734 | int target, int refclk, struct dpll *match_clock, |
735 | struct dpll *best_clock) | |
79e53945 | 736 | { |
3b1429d9 | 737 | struct drm_device *dev = crtc_state->base.crtc->dev; |
9e2c8475 | 738 | struct dpll clock; |
79e53945 JB |
739 | int err = target; |
740 | ||
0206e353 | 741 | memset(best_clock, 0, sizeof(*best_clock)); |
79e53945 | 742 | |
3b1429d9 VS |
743 | clock.p2 = i9xx_select_p2_div(limit, crtc_state, target); |
744 | ||
42158660 ZY |
745 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
746 | clock.m1++) { | |
747 | for (clock.m2 = limit->m2.min; | |
748 | clock.m2 <= limit->m2.max; clock.m2++) { | |
42158660 ZY |
749 | for (clock.n = limit->n.min; |
750 | clock.n <= limit->n.max; clock.n++) { | |
751 | for (clock.p1 = limit->p1.min; | |
752 | clock.p1 <= limit->p1.max; clock.p1++) { | |
79e53945 JB |
753 | int this_err; |
754 | ||
dccbea3b | 755 | pnv_calc_dpll_params(refclk, &clock); |
1b894b59 CW |
756 | if (!intel_PLL_is_valid(dev, limit, |
757 | &clock)) | |
79e53945 | 758 | continue; |
cec2f356 SP |
759 | if (match_clock && |
760 | clock.p != match_clock->p) | |
761 | continue; | |
79e53945 JB |
762 | |
763 | this_err = abs(clock.dot - target); | |
764 | if (this_err < err) { | |
765 | *best_clock = clock; | |
766 | err = this_err; | |
767 | } | |
768 | } | |
769 | } | |
770 | } | |
771 | } | |
772 | ||
773 | return (err != target); | |
774 | } | |
775 | ||
997c030c ACO |
776 | /* |
777 | * Returns a set of divisors for the desired target clock with the given | |
778 | * refclk, or FALSE. The returned values represent the clock equation: | |
779 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. | |
70e8aa21 ACO |
780 | * |
781 | * Target and reference clocks are specified in kHz. | |
782 | * | |
783 | * If match_clock is provided, then best_clock P divider must match the P | |
784 | * divider from @match_clock used for LVDS downclocking. | |
997c030c | 785 | */ |
d4906093 | 786 | static bool |
1b6f4958 | 787 | g4x_find_best_dpll(const struct intel_limit *limit, |
a93e255f | 788 | struct intel_crtc_state *crtc_state, |
9e2c8475 ACO |
789 | int target, int refclk, struct dpll *match_clock, |
790 | struct dpll *best_clock) | |
d4906093 | 791 | { |
3b1429d9 | 792 | struct drm_device *dev = crtc_state->base.crtc->dev; |
9e2c8475 | 793 | struct dpll clock; |
d4906093 | 794 | int max_n; |
3b1429d9 | 795 | bool found = false; |
6ba770dc AJ |
796 | /* approximately equals target * 0.00585 */ |
797 | int err_most = (target >> 8) + (target >> 9); | |
d4906093 ML |
798 | |
799 | memset(best_clock, 0, sizeof(*best_clock)); | |
3b1429d9 VS |
800 | |
801 | clock.p2 = i9xx_select_p2_div(limit, crtc_state, target); | |
802 | ||
d4906093 | 803 | max_n = limit->n.max; |
f77f13e2 | 804 | /* based on hardware requirement, prefer smaller n to precision */ |
d4906093 | 805 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
f77f13e2 | 806 | /* based on hardware requirement, prefere larger m1,m2 */ |
d4906093 ML |
807 | for (clock.m1 = limit->m1.max; |
808 | clock.m1 >= limit->m1.min; clock.m1--) { | |
809 | for (clock.m2 = limit->m2.max; | |
810 | clock.m2 >= limit->m2.min; clock.m2--) { | |
811 | for (clock.p1 = limit->p1.max; | |
812 | clock.p1 >= limit->p1.min; clock.p1--) { | |
813 | int this_err; | |
814 | ||
dccbea3b | 815 | i9xx_calc_dpll_params(refclk, &clock); |
1b894b59 CW |
816 | if (!intel_PLL_is_valid(dev, limit, |
817 | &clock)) | |
d4906093 | 818 | continue; |
1b894b59 CW |
819 | |
820 | this_err = abs(clock.dot - target); | |
d4906093 ML |
821 | if (this_err < err_most) { |
822 | *best_clock = clock; | |
823 | err_most = this_err; | |
824 | max_n = clock.n; | |
825 | found = true; | |
826 | } | |
827 | } | |
828 | } | |
829 | } | |
830 | } | |
2c07245f ZW |
831 | return found; |
832 | } | |
833 | ||
d5dd62bd ID |
834 | /* |
835 | * Check if the calculated PLL configuration is more optimal compared to the | |
836 | * best configuration and error found so far. Return the calculated error. | |
837 | */ | |
838 | static bool vlv_PLL_is_optimal(struct drm_device *dev, int target_freq, | |
9e2c8475 ACO |
839 | const struct dpll *calculated_clock, |
840 | const struct dpll *best_clock, | |
d5dd62bd ID |
841 | unsigned int best_error_ppm, |
842 | unsigned int *error_ppm) | |
843 | { | |
9ca3ba01 ID |
844 | /* |
845 | * For CHV ignore the error and consider only the P value. | |
846 | * Prefer a bigger P value based on HW requirements. | |
847 | */ | |
848 | if (IS_CHERRYVIEW(dev)) { | |
849 | *error_ppm = 0; | |
850 | ||
851 | return calculated_clock->p > best_clock->p; | |
852 | } | |
853 | ||
24be4e46 ID |
854 | if (WARN_ON_ONCE(!target_freq)) |
855 | return false; | |
856 | ||
d5dd62bd ID |
857 | *error_ppm = div_u64(1000000ULL * |
858 | abs(target_freq - calculated_clock->dot), | |
859 | target_freq); | |
860 | /* | |
861 | * Prefer a better P value over a better (smaller) error if the error | |
862 | * is small. Ensure this preference for future configurations too by | |
863 | * setting the error to 0. | |
864 | */ | |
865 | if (*error_ppm < 100 && calculated_clock->p > best_clock->p) { | |
866 | *error_ppm = 0; | |
867 | ||
868 | return true; | |
869 | } | |
870 | ||
871 | return *error_ppm + 10 < best_error_ppm; | |
872 | } | |
873 | ||
65b3d6a9 ACO |
874 | /* |
875 | * Returns a set of divisors for the desired target clock with the given | |
876 | * refclk, or FALSE. The returned values represent the clock equation: | |
877 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. | |
878 | */ | |
a0c4da24 | 879 | static bool |
1b6f4958 | 880 | vlv_find_best_dpll(const struct intel_limit *limit, |
a93e255f | 881 | struct intel_crtc_state *crtc_state, |
9e2c8475 ACO |
882 | int target, int refclk, struct dpll *match_clock, |
883 | struct dpll *best_clock) | |
a0c4da24 | 884 | { |
a93e255f | 885 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 886 | struct drm_device *dev = crtc->base.dev; |
9e2c8475 | 887 | struct dpll clock; |
69e4f900 | 888 | unsigned int bestppm = 1000000; |
27e639bf VS |
889 | /* min update 19.2 MHz */ |
890 | int max_n = min(limit->n.max, refclk / 19200); | |
49e497ef | 891 | bool found = false; |
a0c4da24 | 892 | |
6b4bf1c4 VS |
893 | target *= 5; /* fast clock */ |
894 | ||
895 | memset(best_clock, 0, sizeof(*best_clock)); | |
a0c4da24 JB |
896 | |
897 | /* based on hardware requirement, prefer smaller n to precision */ | |
27e639bf | 898 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
811bbf05 | 899 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { |
889059d8 | 900 | for (clock.p2 = limit->p2.p2_fast; clock.p2 >= limit->p2.p2_slow; |
c1a9ae43 | 901 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { |
6b4bf1c4 | 902 | clock.p = clock.p1 * clock.p2; |
a0c4da24 | 903 | /* based on hardware requirement, prefer bigger m1,m2 values */ |
6b4bf1c4 | 904 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) { |
d5dd62bd | 905 | unsigned int ppm; |
69e4f900 | 906 | |
6b4bf1c4 VS |
907 | clock.m2 = DIV_ROUND_CLOSEST(target * clock.p * clock.n, |
908 | refclk * clock.m1); | |
909 | ||
dccbea3b | 910 | vlv_calc_dpll_params(refclk, &clock); |
43b0ac53 | 911 | |
f01b7962 VS |
912 | if (!intel_PLL_is_valid(dev, limit, |
913 | &clock)) | |
43b0ac53 VS |
914 | continue; |
915 | ||
d5dd62bd ID |
916 | if (!vlv_PLL_is_optimal(dev, target, |
917 | &clock, | |
918 | best_clock, | |
919 | bestppm, &ppm)) | |
920 | continue; | |
6b4bf1c4 | 921 | |
d5dd62bd ID |
922 | *best_clock = clock; |
923 | bestppm = ppm; | |
924 | found = true; | |
a0c4da24 JB |
925 | } |
926 | } | |
927 | } | |
928 | } | |
a0c4da24 | 929 | |
49e497ef | 930 | return found; |
a0c4da24 | 931 | } |
a4fc5ed6 | 932 | |
65b3d6a9 ACO |
933 | /* |
934 | * Returns a set of divisors for the desired target clock with the given | |
935 | * refclk, or FALSE. The returned values represent the clock equation: | |
936 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. | |
937 | */ | |
ef9348c8 | 938 | static bool |
1b6f4958 | 939 | chv_find_best_dpll(const struct intel_limit *limit, |
a93e255f | 940 | struct intel_crtc_state *crtc_state, |
9e2c8475 ACO |
941 | int target, int refclk, struct dpll *match_clock, |
942 | struct dpll *best_clock) | |
ef9348c8 | 943 | { |
a93e255f | 944 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 945 | struct drm_device *dev = crtc->base.dev; |
9ca3ba01 | 946 | unsigned int best_error_ppm; |
9e2c8475 | 947 | struct dpll clock; |
ef9348c8 CML |
948 | uint64_t m2; |
949 | int found = false; | |
950 | ||
951 | memset(best_clock, 0, sizeof(*best_clock)); | |
9ca3ba01 | 952 | best_error_ppm = 1000000; |
ef9348c8 CML |
953 | |
954 | /* | |
955 | * Based on hardware doc, the n always set to 1, and m1 always | |
956 | * set to 2. If requires to support 200Mhz refclk, we need to | |
957 | * revisit this because n may not 1 anymore. | |
958 | */ | |
959 | clock.n = 1, clock.m1 = 2; | |
960 | target *= 5; /* fast clock */ | |
961 | ||
962 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { | |
963 | for (clock.p2 = limit->p2.p2_fast; | |
964 | clock.p2 >= limit->p2.p2_slow; | |
965 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { | |
9ca3ba01 | 966 | unsigned int error_ppm; |
ef9348c8 CML |
967 | |
968 | clock.p = clock.p1 * clock.p2; | |
969 | ||
970 | m2 = DIV_ROUND_CLOSEST_ULL(((uint64_t)target * clock.p * | |
971 | clock.n) << 22, refclk * clock.m1); | |
972 | ||
973 | if (m2 > INT_MAX/clock.m1) | |
974 | continue; | |
975 | ||
976 | clock.m2 = m2; | |
977 | ||
dccbea3b | 978 | chv_calc_dpll_params(refclk, &clock); |
ef9348c8 CML |
979 | |
980 | if (!intel_PLL_is_valid(dev, limit, &clock)) | |
981 | continue; | |
982 | ||
9ca3ba01 ID |
983 | if (!vlv_PLL_is_optimal(dev, target, &clock, best_clock, |
984 | best_error_ppm, &error_ppm)) | |
985 | continue; | |
986 | ||
987 | *best_clock = clock; | |
988 | best_error_ppm = error_ppm; | |
989 | found = true; | |
ef9348c8 CML |
990 | } |
991 | } | |
992 | ||
993 | return found; | |
994 | } | |
995 | ||
5ab7b0b7 | 996 | bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, int target_clock, |
9e2c8475 | 997 | struct dpll *best_clock) |
5ab7b0b7 | 998 | { |
65b3d6a9 | 999 | int refclk = 100000; |
1b6f4958 | 1000 | const struct intel_limit *limit = &intel_limits_bxt; |
5ab7b0b7 | 1001 | |
65b3d6a9 | 1002 | return chv_find_best_dpll(limit, crtc_state, |
5ab7b0b7 ID |
1003 | target_clock, refclk, NULL, best_clock); |
1004 | } | |
1005 | ||
20ddf665 VS |
1006 | bool intel_crtc_active(struct drm_crtc *crtc) |
1007 | { | |
1008 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1009 | ||
1010 | /* Be paranoid as we can arrive here with only partial | |
1011 | * state retrieved from the hardware during setup. | |
1012 | * | |
241bfc38 | 1013 | * We can ditch the adjusted_mode.crtc_clock check as soon |
20ddf665 VS |
1014 | * as Haswell has gained clock readout/fastboot support. |
1015 | * | |
66e514c1 | 1016 | * We can ditch the crtc->primary->fb check as soon as we can |
20ddf665 | 1017 | * properly reconstruct framebuffers. |
c3d1f436 MR |
1018 | * |
1019 | * FIXME: The intel_crtc->active here should be switched to | |
1020 | * crtc->state->active once we have proper CRTC states wired up | |
1021 | * for atomic. | |
20ddf665 | 1022 | */ |
c3d1f436 | 1023 | return intel_crtc->active && crtc->primary->state->fb && |
6e3c9717 | 1024 | intel_crtc->config->base.adjusted_mode.crtc_clock; |
20ddf665 VS |
1025 | } |
1026 | ||
a5c961d1 PZ |
1027 | enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv, |
1028 | enum pipe pipe) | |
1029 | { | |
1030 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
1031 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1032 | ||
6e3c9717 | 1033 | return intel_crtc->config->cpu_transcoder; |
a5c961d1 PZ |
1034 | } |
1035 | ||
fbf49ea2 VS |
1036 | static bool pipe_dsl_stopped(struct drm_device *dev, enum pipe pipe) |
1037 | { | |
fac5e23e | 1038 | struct drm_i915_private *dev_priv = to_i915(dev); |
f0f59a00 | 1039 | i915_reg_t reg = PIPEDSL(pipe); |
fbf49ea2 VS |
1040 | u32 line1, line2; |
1041 | u32 line_mask; | |
1042 | ||
1043 | if (IS_GEN2(dev)) | |
1044 | line_mask = DSL_LINEMASK_GEN2; | |
1045 | else | |
1046 | line_mask = DSL_LINEMASK_GEN3; | |
1047 | ||
1048 | line1 = I915_READ(reg) & line_mask; | |
6adfb1ef | 1049 | msleep(5); |
fbf49ea2 VS |
1050 | line2 = I915_READ(reg) & line_mask; |
1051 | ||
1052 | return line1 == line2; | |
1053 | } | |
1054 | ||
ab7ad7f6 KP |
1055 | /* |
1056 | * intel_wait_for_pipe_off - wait for pipe to turn off | |
575f7ab7 | 1057 | * @crtc: crtc whose pipe to wait for |
9d0498a2 JB |
1058 | * |
1059 | * After disabling a pipe, we can't wait for vblank in the usual way, | |
1060 | * spinning on the vblank interrupt status bit, since we won't actually | |
1061 | * see an interrupt when the pipe is disabled. | |
1062 | * | |
ab7ad7f6 KP |
1063 | * On Gen4 and above: |
1064 | * wait for the pipe register state bit to turn off | |
1065 | * | |
1066 | * Otherwise: | |
1067 | * wait for the display line value to settle (it usually | |
1068 | * ends up stopping at the start of the next frame). | |
58e10eb9 | 1069 | * |
9d0498a2 | 1070 | */ |
575f7ab7 | 1071 | static void intel_wait_for_pipe_off(struct intel_crtc *crtc) |
9d0498a2 | 1072 | { |
575f7ab7 | 1073 | struct drm_device *dev = crtc->base.dev; |
fac5e23e | 1074 | struct drm_i915_private *dev_priv = to_i915(dev); |
6e3c9717 | 1075 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
575f7ab7 | 1076 | enum pipe pipe = crtc->pipe; |
ab7ad7f6 KP |
1077 | |
1078 | if (INTEL_INFO(dev)->gen >= 4) { | |
f0f59a00 | 1079 | i915_reg_t reg = PIPECONF(cpu_transcoder); |
ab7ad7f6 KP |
1080 | |
1081 | /* Wait for the Pipe State to go off */ | |
b8511f53 CW |
1082 | if (intel_wait_for_register(dev_priv, |
1083 | reg, I965_PIPECONF_ACTIVE, 0, | |
1084 | 100)) | |
284637d9 | 1085 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 1086 | } else { |
ab7ad7f6 | 1087 | /* Wait for the display line to settle */ |
fbf49ea2 | 1088 | if (wait_for(pipe_dsl_stopped(dev, pipe), 100)) |
284637d9 | 1089 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 1090 | } |
79e53945 JB |
1091 | } |
1092 | ||
b24e7179 | 1093 | /* Only for pre-ILK configs */ |
55607e8a DV |
1094 | void assert_pll(struct drm_i915_private *dev_priv, |
1095 | enum pipe pipe, bool state) | |
b24e7179 | 1096 | { |
b24e7179 JB |
1097 | u32 val; |
1098 | bool cur_state; | |
1099 | ||
649636ef | 1100 | val = I915_READ(DPLL(pipe)); |
b24e7179 | 1101 | cur_state = !!(val & DPLL_VCO_ENABLE); |
e2c719b7 | 1102 | I915_STATE_WARN(cur_state != state, |
b24e7179 | 1103 | "PLL state assertion failure (expected %s, current %s)\n", |
87ad3212 | 1104 | onoff(state), onoff(cur_state)); |
b24e7179 | 1105 | } |
b24e7179 | 1106 | |
23538ef1 | 1107 | /* XXX: the dsi pll is shared between MIPI DSI ports */ |
8563b1e8 | 1108 | void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state) |
23538ef1 JN |
1109 | { |
1110 | u32 val; | |
1111 | bool cur_state; | |
1112 | ||
a580516d | 1113 | mutex_lock(&dev_priv->sb_lock); |
23538ef1 | 1114 | val = vlv_cck_read(dev_priv, CCK_REG_DSI_PLL_CONTROL); |
a580516d | 1115 | mutex_unlock(&dev_priv->sb_lock); |
23538ef1 JN |
1116 | |
1117 | cur_state = val & DSI_PLL_VCO_EN; | |
e2c719b7 | 1118 | I915_STATE_WARN(cur_state != state, |
23538ef1 | 1119 | "DSI PLL state assertion failure (expected %s, current %s)\n", |
87ad3212 | 1120 | onoff(state), onoff(cur_state)); |
23538ef1 | 1121 | } |
23538ef1 | 1122 | |
040484af JB |
1123 | static void assert_fdi_tx(struct drm_i915_private *dev_priv, |
1124 | enum pipe pipe, bool state) | |
1125 | { | |
040484af | 1126 | bool cur_state; |
ad80a810 PZ |
1127 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1128 | pipe); | |
040484af | 1129 | |
2d1fe073 | 1130 | if (HAS_DDI(dev_priv)) { |
affa9354 | 1131 | /* DDI does not have a specific FDI_TX register */ |
649636ef | 1132 | u32 val = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); |
ad80a810 | 1133 | cur_state = !!(val & TRANS_DDI_FUNC_ENABLE); |
bf507ef7 | 1134 | } else { |
649636ef | 1135 | u32 val = I915_READ(FDI_TX_CTL(pipe)); |
bf507ef7 ED |
1136 | cur_state = !!(val & FDI_TX_ENABLE); |
1137 | } | |
e2c719b7 | 1138 | I915_STATE_WARN(cur_state != state, |
040484af | 1139 | "FDI TX state assertion failure (expected %s, current %s)\n", |
87ad3212 | 1140 | onoff(state), onoff(cur_state)); |
040484af JB |
1141 | } |
1142 | #define assert_fdi_tx_enabled(d, p) assert_fdi_tx(d, p, true) | |
1143 | #define assert_fdi_tx_disabled(d, p) assert_fdi_tx(d, p, false) | |
1144 | ||
1145 | static void assert_fdi_rx(struct drm_i915_private *dev_priv, | |
1146 | enum pipe pipe, bool state) | |
1147 | { | |
040484af JB |
1148 | u32 val; |
1149 | bool cur_state; | |
1150 | ||
649636ef | 1151 | val = I915_READ(FDI_RX_CTL(pipe)); |
d63fa0dc | 1152 | cur_state = !!(val & FDI_RX_ENABLE); |
e2c719b7 | 1153 | I915_STATE_WARN(cur_state != state, |
040484af | 1154 | "FDI RX state assertion failure (expected %s, current %s)\n", |
87ad3212 | 1155 | onoff(state), onoff(cur_state)); |
040484af JB |
1156 | } |
1157 | #define assert_fdi_rx_enabled(d, p) assert_fdi_rx(d, p, true) | |
1158 | #define assert_fdi_rx_disabled(d, p) assert_fdi_rx(d, p, false) | |
1159 | ||
1160 | static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv, | |
1161 | enum pipe pipe) | |
1162 | { | |
040484af JB |
1163 | u32 val; |
1164 | ||
1165 | /* ILK FDI PLL is always enabled */ | |
7e22dbbb | 1166 | if (IS_GEN5(dev_priv)) |
040484af JB |
1167 | return; |
1168 | ||
bf507ef7 | 1169 | /* On Haswell, DDI ports are responsible for the FDI PLL setup */ |
2d1fe073 | 1170 | if (HAS_DDI(dev_priv)) |
bf507ef7 ED |
1171 | return; |
1172 | ||
649636ef | 1173 | val = I915_READ(FDI_TX_CTL(pipe)); |
e2c719b7 | 1174 | I915_STATE_WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n"); |
040484af JB |
1175 | } |
1176 | ||
55607e8a DV |
1177 | void assert_fdi_rx_pll(struct drm_i915_private *dev_priv, |
1178 | enum pipe pipe, bool state) | |
040484af | 1179 | { |
040484af | 1180 | u32 val; |
55607e8a | 1181 | bool cur_state; |
040484af | 1182 | |
649636ef | 1183 | val = I915_READ(FDI_RX_CTL(pipe)); |
55607e8a | 1184 | cur_state = !!(val & FDI_RX_PLL_ENABLE); |
e2c719b7 | 1185 | I915_STATE_WARN(cur_state != state, |
55607e8a | 1186 | "FDI RX PLL assertion failure (expected %s, current %s)\n", |
87ad3212 | 1187 | onoff(state), onoff(cur_state)); |
040484af JB |
1188 | } |
1189 | ||
b680c37a DV |
1190 | void assert_panel_unlocked(struct drm_i915_private *dev_priv, |
1191 | enum pipe pipe) | |
ea0760cf | 1192 | { |
91c8a326 | 1193 | struct drm_device *dev = &dev_priv->drm; |
f0f59a00 | 1194 | i915_reg_t pp_reg; |
ea0760cf JB |
1195 | u32 val; |
1196 | enum pipe panel_pipe = PIPE_A; | |
0de3b485 | 1197 | bool locked = true; |
ea0760cf | 1198 | |
bedd4dba JN |
1199 | if (WARN_ON(HAS_DDI(dev))) |
1200 | return; | |
1201 | ||
1202 | if (HAS_PCH_SPLIT(dev)) { | |
1203 | u32 port_sel; | |
1204 | ||
44cb734c ID |
1205 | pp_reg = PP_CONTROL(0); |
1206 | port_sel = I915_READ(PP_ON_DELAYS(0)) & PANEL_PORT_SELECT_MASK; | |
bedd4dba JN |
1207 | |
1208 | if (port_sel == PANEL_PORT_SELECT_LVDS && | |
1209 | I915_READ(PCH_LVDS) & LVDS_PIPEB_SELECT) | |
1210 | panel_pipe = PIPE_B; | |
1211 | /* XXX: else fix for eDP */ | |
666a4537 | 1212 | } else if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { |
bedd4dba | 1213 | /* presumably write lock depends on pipe, not port select */ |
44cb734c | 1214 | pp_reg = PP_CONTROL(pipe); |
bedd4dba | 1215 | panel_pipe = pipe; |
ea0760cf | 1216 | } else { |
44cb734c | 1217 | pp_reg = PP_CONTROL(0); |
bedd4dba JN |
1218 | if (I915_READ(LVDS) & LVDS_PIPEB_SELECT) |
1219 | panel_pipe = PIPE_B; | |
ea0760cf JB |
1220 | } |
1221 | ||
1222 | val = I915_READ(pp_reg); | |
1223 | if (!(val & PANEL_POWER_ON) || | |
ec49ba2d | 1224 | ((val & PANEL_UNLOCK_MASK) == PANEL_UNLOCK_REGS)) |
ea0760cf JB |
1225 | locked = false; |
1226 | ||
e2c719b7 | 1227 | I915_STATE_WARN(panel_pipe == pipe && locked, |
ea0760cf | 1228 | "panel assertion failure, pipe %c regs locked\n", |
9db4a9c7 | 1229 | pipe_name(pipe)); |
ea0760cf JB |
1230 | } |
1231 | ||
93ce0ba6 JN |
1232 | static void assert_cursor(struct drm_i915_private *dev_priv, |
1233 | enum pipe pipe, bool state) | |
1234 | { | |
91c8a326 | 1235 | struct drm_device *dev = &dev_priv->drm; |
93ce0ba6 JN |
1236 | bool cur_state; |
1237 | ||
d9d82081 | 1238 | if (IS_845G(dev) || IS_I865G(dev)) |
0b87c24e | 1239 | cur_state = I915_READ(CURCNTR(PIPE_A)) & CURSOR_ENABLE; |
d9d82081 | 1240 | else |
5efb3e28 | 1241 | cur_state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; |
93ce0ba6 | 1242 | |
e2c719b7 | 1243 | I915_STATE_WARN(cur_state != state, |
93ce0ba6 | 1244 | "cursor on pipe %c assertion failure (expected %s, current %s)\n", |
87ad3212 | 1245 | pipe_name(pipe), onoff(state), onoff(cur_state)); |
93ce0ba6 JN |
1246 | } |
1247 | #define assert_cursor_enabled(d, p) assert_cursor(d, p, true) | |
1248 | #define assert_cursor_disabled(d, p) assert_cursor(d, p, false) | |
1249 | ||
b840d907 JB |
1250 | void assert_pipe(struct drm_i915_private *dev_priv, |
1251 | enum pipe pipe, bool state) | |
b24e7179 | 1252 | { |
63d7bbe9 | 1253 | bool cur_state; |
702e7a56 PZ |
1254 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1255 | pipe); | |
4feed0eb | 1256 | enum intel_display_power_domain power_domain; |
b24e7179 | 1257 | |
b6b5d049 VS |
1258 | /* if we need the pipe quirk it must be always on */ |
1259 | if ((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
1260 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
8e636784 DV |
1261 | state = true; |
1262 | ||
4feed0eb ID |
1263 | power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder); |
1264 | if (intel_display_power_get_if_enabled(dev_priv, power_domain)) { | |
649636ef | 1265 | u32 val = I915_READ(PIPECONF(cpu_transcoder)); |
69310161 | 1266 | cur_state = !!(val & PIPECONF_ENABLE); |
4feed0eb ID |
1267 | |
1268 | intel_display_power_put(dev_priv, power_domain); | |
1269 | } else { | |
1270 | cur_state = false; | |
69310161 PZ |
1271 | } |
1272 | ||
e2c719b7 | 1273 | I915_STATE_WARN(cur_state != state, |
63d7bbe9 | 1274 | "pipe %c assertion failure (expected %s, current %s)\n", |
87ad3212 | 1275 | pipe_name(pipe), onoff(state), onoff(cur_state)); |
b24e7179 JB |
1276 | } |
1277 | ||
931872fc CW |
1278 | static void assert_plane(struct drm_i915_private *dev_priv, |
1279 | enum plane plane, bool state) | |
b24e7179 | 1280 | { |
b24e7179 | 1281 | u32 val; |
931872fc | 1282 | bool cur_state; |
b24e7179 | 1283 | |
649636ef | 1284 | val = I915_READ(DSPCNTR(plane)); |
931872fc | 1285 | cur_state = !!(val & DISPLAY_PLANE_ENABLE); |
e2c719b7 | 1286 | I915_STATE_WARN(cur_state != state, |
931872fc | 1287 | "plane %c assertion failure (expected %s, current %s)\n", |
87ad3212 | 1288 | plane_name(plane), onoff(state), onoff(cur_state)); |
b24e7179 JB |
1289 | } |
1290 | ||
931872fc CW |
1291 | #define assert_plane_enabled(d, p) assert_plane(d, p, true) |
1292 | #define assert_plane_disabled(d, p) assert_plane(d, p, false) | |
1293 | ||
b24e7179 JB |
1294 | static void assert_planes_disabled(struct drm_i915_private *dev_priv, |
1295 | enum pipe pipe) | |
1296 | { | |
91c8a326 | 1297 | struct drm_device *dev = &dev_priv->drm; |
649636ef | 1298 | int i; |
b24e7179 | 1299 | |
653e1026 VS |
1300 | /* Primary planes are fixed to pipes on gen4+ */ |
1301 | if (INTEL_INFO(dev)->gen >= 4) { | |
649636ef | 1302 | u32 val = I915_READ(DSPCNTR(pipe)); |
e2c719b7 | 1303 | I915_STATE_WARN(val & DISPLAY_PLANE_ENABLE, |
28c05794 AJ |
1304 | "plane %c assertion failure, should be disabled but not\n", |
1305 | plane_name(pipe)); | |
19ec1358 | 1306 | return; |
28c05794 | 1307 | } |
19ec1358 | 1308 | |
b24e7179 | 1309 | /* Need to check both planes against the pipe */ |
055e393f | 1310 | for_each_pipe(dev_priv, i) { |
649636ef VS |
1311 | u32 val = I915_READ(DSPCNTR(i)); |
1312 | enum pipe cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >> | |
b24e7179 | 1313 | DISPPLANE_SEL_PIPE_SHIFT; |
e2c719b7 | 1314 | I915_STATE_WARN((val & DISPLAY_PLANE_ENABLE) && pipe == cur_pipe, |
9db4a9c7 JB |
1315 | "plane %c assertion failure, should be off on pipe %c but is still active\n", |
1316 | plane_name(i), pipe_name(pipe)); | |
b24e7179 JB |
1317 | } |
1318 | } | |
1319 | ||
19332d7a JB |
1320 | static void assert_sprites_disabled(struct drm_i915_private *dev_priv, |
1321 | enum pipe pipe) | |
1322 | { | |
91c8a326 | 1323 | struct drm_device *dev = &dev_priv->drm; |
649636ef | 1324 | int sprite; |
19332d7a | 1325 | |
7feb8b88 | 1326 | if (INTEL_INFO(dev)->gen >= 9) { |
3bdcfc0c | 1327 | for_each_sprite(dev_priv, pipe, sprite) { |
649636ef | 1328 | u32 val = I915_READ(PLANE_CTL(pipe, sprite)); |
e2c719b7 | 1329 | I915_STATE_WARN(val & PLANE_CTL_ENABLE, |
7feb8b88 DL |
1330 | "plane %d assertion failure, should be off on pipe %c but is still active\n", |
1331 | sprite, pipe_name(pipe)); | |
1332 | } | |
666a4537 | 1333 | } else if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { |
3bdcfc0c | 1334 | for_each_sprite(dev_priv, pipe, sprite) { |
649636ef | 1335 | u32 val = I915_READ(SPCNTR(pipe, sprite)); |
e2c719b7 | 1336 | I915_STATE_WARN(val & SP_ENABLE, |
20674eef | 1337 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
1fe47785 | 1338 | sprite_name(pipe, sprite), pipe_name(pipe)); |
20674eef VS |
1339 | } |
1340 | } else if (INTEL_INFO(dev)->gen >= 7) { | |
649636ef | 1341 | u32 val = I915_READ(SPRCTL(pipe)); |
e2c719b7 | 1342 | I915_STATE_WARN(val & SPRITE_ENABLE, |
06da8da2 | 1343 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
20674eef VS |
1344 | plane_name(pipe), pipe_name(pipe)); |
1345 | } else if (INTEL_INFO(dev)->gen >= 5) { | |
649636ef | 1346 | u32 val = I915_READ(DVSCNTR(pipe)); |
e2c719b7 | 1347 | I915_STATE_WARN(val & DVS_ENABLE, |
06da8da2 | 1348 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
20674eef | 1349 | plane_name(pipe), pipe_name(pipe)); |
19332d7a JB |
1350 | } |
1351 | } | |
1352 | ||
08c71e5e VS |
1353 | static void assert_vblank_disabled(struct drm_crtc *crtc) |
1354 | { | |
e2c719b7 | 1355 | if (I915_STATE_WARN_ON(drm_crtc_vblank_get(crtc) == 0)) |
08c71e5e VS |
1356 | drm_crtc_vblank_put(crtc); |
1357 | } | |
1358 | ||
7abd4b35 ACO |
1359 | void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv, |
1360 | enum pipe pipe) | |
92f2584a | 1361 | { |
92f2584a JB |
1362 | u32 val; |
1363 | bool enabled; | |
1364 | ||
649636ef | 1365 | val = I915_READ(PCH_TRANSCONF(pipe)); |
92f2584a | 1366 | enabled = !!(val & TRANS_ENABLE); |
e2c719b7 | 1367 | I915_STATE_WARN(enabled, |
9db4a9c7 JB |
1368 | "transcoder assertion failed, should be off on pipe %c but is still active\n", |
1369 | pipe_name(pipe)); | |
92f2584a JB |
1370 | } |
1371 | ||
4e634389 KP |
1372 | static bool dp_pipe_enabled(struct drm_i915_private *dev_priv, |
1373 | enum pipe pipe, u32 port_sel, u32 val) | |
f0575e92 KP |
1374 | { |
1375 | if ((val & DP_PORT_EN) == 0) | |
1376 | return false; | |
1377 | ||
2d1fe073 | 1378 | if (HAS_PCH_CPT(dev_priv)) { |
f0f59a00 | 1379 | u32 trans_dp_ctl = I915_READ(TRANS_DP_CTL(pipe)); |
f0575e92 KP |
1380 | if ((trans_dp_ctl & TRANS_DP_PORT_SEL_MASK) != port_sel) |
1381 | return false; | |
2d1fe073 | 1382 | } else if (IS_CHERRYVIEW(dev_priv)) { |
44f37d1f CML |
1383 | if ((val & DP_PIPE_MASK_CHV) != DP_PIPE_SELECT_CHV(pipe)) |
1384 | return false; | |
f0575e92 KP |
1385 | } else { |
1386 | if ((val & DP_PIPE_MASK) != (pipe << 30)) | |
1387 | return false; | |
1388 | } | |
1389 | return true; | |
1390 | } | |
1391 | ||
1519b995 KP |
1392 | static bool hdmi_pipe_enabled(struct drm_i915_private *dev_priv, |
1393 | enum pipe pipe, u32 val) | |
1394 | { | |
dc0fa718 | 1395 | if ((val & SDVO_ENABLE) == 0) |
1519b995 KP |
1396 | return false; |
1397 | ||
2d1fe073 | 1398 | if (HAS_PCH_CPT(dev_priv)) { |
dc0fa718 | 1399 | if ((val & SDVO_PIPE_SEL_MASK_CPT) != SDVO_PIPE_SEL_CPT(pipe)) |
1519b995 | 1400 | return false; |
2d1fe073 | 1401 | } else if (IS_CHERRYVIEW(dev_priv)) { |
44f37d1f CML |
1402 | if ((val & SDVO_PIPE_SEL_MASK_CHV) != SDVO_PIPE_SEL_CHV(pipe)) |
1403 | return false; | |
1519b995 | 1404 | } else { |
dc0fa718 | 1405 | if ((val & SDVO_PIPE_SEL_MASK) != SDVO_PIPE_SEL(pipe)) |
1519b995 KP |
1406 | return false; |
1407 | } | |
1408 | return true; | |
1409 | } | |
1410 | ||
1411 | static bool lvds_pipe_enabled(struct drm_i915_private *dev_priv, | |
1412 | enum pipe pipe, u32 val) | |
1413 | { | |
1414 | if ((val & LVDS_PORT_EN) == 0) | |
1415 | return false; | |
1416 | ||
2d1fe073 | 1417 | if (HAS_PCH_CPT(dev_priv)) { |
1519b995 KP |
1418 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) |
1419 | return false; | |
1420 | } else { | |
1421 | if ((val & LVDS_PIPE_MASK) != LVDS_PIPE(pipe)) | |
1422 | return false; | |
1423 | } | |
1424 | return true; | |
1425 | } | |
1426 | ||
1427 | static bool adpa_pipe_enabled(struct drm_i915_private *dev_priv, | |
1428 | enum pipe pipe, u32 val) | |
1429 | { | |
1430 | if ((val & ADPA_DAC_ENABLE) == 0) | |
1431 | return false; | |
2d1fe073 | 1432 | if (HAS_PCH_CPT(dev_priv)) { |
1519b995 KP |
1433 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) |
1434 | return false; | |
1435 | } else { | |
1436 | if ((val & ADPA_PIPE_SELECT_MASK) != ADPA_PIPE_SELECT(pipe)) | |
1437 | return false; | |
1438 | } | |
1439 | return true; | |
1440 | } | |
1441 | ||
291906f1 | 1442 | static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv, |
f0f59a00 VS |
1443 | enum pipe pipe, i915_reg_t reg, |
1444 | u32 port_sel) | |
291906f1 | 1445 | { |
47a05eca | 1446 | u32 val = I915_READ(reg); |
e2c719b7 | 1447 | I915_STATE_WARN(dp_pipe_enabled(dev_priv, pipe, port_sel, val), |
291906f1 | 1448 | "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n", |
f0f59a00 | 1449 | i915_mmio_reg_offset(reg), pipe_name(pipe)); |
de9a35ab | 1450 | |
2d1fe073 | 1451 | I915_STATE_WARN(HAS_PCH_IBX(dev_priv) && (val & DP_PORT_EN) == 0 |
75c5da27 | 1452 | && (val & DP_PIPEB_SELECT), |
de9a35ab | 1453 | "IBX PCH dp port still using transcoder B\n"); |
291906f1 JB |
1454 | } |
1455 | ||
1456 | static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv, | |
f0f59a00 | 1457 | enum pipe pipe, i915_reg_t reg) |
291906f1 | 1458 | { |
47a05eca | 1459 | u32 val = I915_READ(reg); |
e2c719b7 | 1460 | I915_STATE_WARN(hdmi_pipe_enabled(dev_priv, pipe, val), |
23c99e77 | 1461 | "PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n", |
f0f59a00 | 1462 | i915_mmio_reg_offset(reg), pipe_name(pipe)); |
de9a35ab | 1463 | |
2d1fe073 | 1464 | I915_STATE_WARN(HAS_PCH_IBX(dev_priv) && (val & SDVO_ENABLE) == 0 |
75c5da27 | 1465 | && (val & SDVO_PIPE_B_SELECT), |
de9a35ab | 1466 | "IBX PCH hdmi port still using transcoder B\n"); |
291906f1 JB |
1467 | } |
1468 | ||
1469 | static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv, | |
1470 | enum pipe pipe) | |
1471 | { | |
291906f1 | 1472 | u32 val; |
291906f1 | 1473 | |
f0575e92 KP |
1474 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_B, TRANS_DP_PORT_SEL_B); |
1475 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_C, TRANS_DP_PORT_SEL_C); | |
1476 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_D, TRANS_DP_PORT_SEL_D); | |
291906f1 | 1477 | |
649636ef | 1478 | val = I915_READ(PCH_ADPA); |
e2c719b7 | 1479 | I915_STATE_WARN(adpa_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1480 | "PCH VGA enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1481 | pipe_name(pipe)); |
291906f1 | 1482 | |
649636ef | 1483 | val = I915_READ(PCH_LVDS); |
e2c719b7 | 1484 | I915_STATE_WARN(lvds_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1485 | "PCH LVDS enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1486 | pipe_name(pipe)); |
291906f1 | 1487 | |
e2debe91 PZ |
1488 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIB); |
1489 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIC); | |
1490 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMID); | |
291906f1 JB |
1491 | } |
1492 | ||
cd2d34d9 VS |
1493 | static void _vlv_enable_pll(struct intel_crtc *crtc, |
1494 | const struct intel_crtc_state *pipe_config) | |
1495 | { | |
1496 | struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); | |
1497 | enum pipe pipe = crtc->pipe; | |
1498 | ||
1499 | I915_WRITE(DPLL(pipe), pipe_config->dpll_hw_state.dpll); | |
1500 | POSTING_READ(DPLL(pipe)); | |
1501 | udelay(150); | |
1502 | ||
2c30b43b CW |
1503 | if (intel_wait_for_register(dev_priv, |
1504 | DPLL(pipe), | |
1505 | DPLL_LOCK_VLV, | |
1506 | DPLL_LOCK_VLV, | |
1507 | 1)) | |
cd2d34d9 VS |
1508 | DRM_ERROR("DPLL %d failed to lock\n", pipe); |
1509 | } | |
1510 | ||
d288f65f | 1511 | static void vlv_enable_pll(struct intel_crtc *crtc, |
5cec258b | 1512 | const struct intel_crtc_state *pipe_config) |
87442f73 | 1513 | { |
cd2d34d9 | 1514 | struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); |
8bd3f301 | 1515 | enum pipe pipe = crtc->pipe; |
87442f73 | 1516 | |
8bd3f301 | 1517 | assert_pipe_disabled(dev_priv, pipe); |
87442f73 | 1518 | |
87442f73 | 1519 | /* PLL is protected by panel, make sure we can write it */ |
7d1a83cb | 1520 | assert_panel_unlocked(dev_priv, pipe); |
87442f73 | 1521 | |
cd2d34d9 VS |
1522 | if (pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE) |
1523 | _vlv_enable_pll(crtc, pipe_config); | |
426115cf | 1524 | |
8bd3f301 VS |
1525 | I915_WRITE(DPLL_MD(pipe), pipe_config->dpll_hw_state.dpll_md); |
1526 | POSTING_READ(DPLL_MD(pipe)); | |
87442f73 DV |
1527 | } |
1528 | ||
cd2d34d9 VS |
1529 | |
1530 | static void _chv_enable_pll(struct intel_crtc *crtc, | |
1531 | const struct intel_crtc_state *pipe_config) | |
9d556c99 | 1532 | { |
cd2d34d9 | 1533 | struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); |
8bd3f301 | 1534 | enum pipe pipe = crtc->pipe; |
9d556c99 | 1535 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
9d556c99 CML |
1536 | u32 tmp; |
1537 | ||
a580516d | 1538 | mutex_lock(&dev_priv->sb_lock); |
9d556c99 CML |
1539 | |
1540 | /* Enable back the 10bit clock to display controller */ | |
1541 | tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); | |
1542 | tmp |= DPIO_DCLKP_EN; | |
1543 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), tmp); | |
1544 | ||
54433e91 VS |
1545 | mutex_unlock(&dev_priv->sb_lock); |
1546 | ||
9d556c99 CML |
1547 | /* |
1548 | * Need to wait > 100ns between dclkp clock enable bit and PLL enable. | |
1549 | */ | |
1550 | udelay(1); | |
1551 | ||
1552 | /* Enable PLL */ | |
d288f65f | 1553 | I915_WRITE(DPLL(pipe), pipe_config->dpll_hw_state.dpll); |
9d556c99 CML |
1554 | |
1555 | /* Check PLL is locked */ | |
6b18826a CW |
1556 | if (intel_wait_for_register(dev_priv, |
1557 | DPLL(pipe), DPLL_LOCK_VLV, DPLL_LOCK_VLV, | |
1558 | 1)) | |
9d556c99 | 1559 | DRM_ERROR("PLL %d failed to lock\n", pipe); |
cd2d34d9 VS |
1560 | } |
1561 | ||
1562 | static void chv_enable_pll(struct intel_crtc *crtc, | |
1563 | const struct intel_crtc_state *pipe_config) | |
1564 | { | |
1565 | struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); | |
1566 | enum pipe pipe = crtc->pipe; | |
1567 | ||
1568 | assert_pipe_disabled(dev_priv, pipe); | |
1569 | ||
1570 | /* PLL is protected by panel, make sure we can write it */ | |
1571 | assert_panel_unlocked(dev_priv, pipe); | |
1572 | ||
1573 | if (pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE) | |
1574 | _chv_enable_pll(crtc, pipe_config); | |
9d556c99 | 1575 | |
c231775c VS |
1576 | if (pipe != PIPE_A) { |
1577 | /* | |
1578 | * WaPixelRepeatModeFixForC0:chv | |
1579 | * | |
1580 | * DPLLCMD is AWOL. Use chicken bits to propagate | |
1581 | * the value from DPLLBMD to either pipe B or C. | |
1582 | */ | |
1583 | I915_WRITE(CBR4_VLV, pipe == PIPE_B ? CBR_DPLLBMD_PIPE_B : CBR_DPLLBMD_PIPE_C); | |
1584 | I915_WRITE(DPLL_MD(PIPE_B), pipe_config->dpll_hw_state.dpll_md); | |
1585 | I915_WRITE(CBR4_VLV, 0); | |
1586 | dev_priv->chv_dpll_md[pipe] = pipe_config->dpll_hw_state.dpll_md; | |
1587 | ||
1588 | /* | |
1589 | * DPLLB VGA mode also seems to cause problems. | |
1590 | * We should always have it disabled. | |
1591 | */ | |
1592 | WARN_ON((I915_READ(DPLL(PIPE_B)) & DPLL_VGA_MODE_DIS) == 0); | |
1593 | } else { | |
1594 | I915_WRITE(DPLL_MD(pipe), pipe_config->dpll_hw_state.dpll_md); | |
1595 | POSTING_READ(DPLL_MD(pipe)); | |
1596 | } | |
9d556c99 CML |
1597 | } |
1598 | ||
1c4e0274 VS |
1599 | static int intel_num_dvo_pipes(struct drm_device *dev) |
1600 | { | |
1601 | struct intel_crtc *crtc; | |
1602 | int count = 0; | |
1603 | ||
2d84d2b3 | 1604 | for_each_intel_crtc(dev, crtc) { |
3538b9df | 1605 | count += crtc->base.state->active && |
2d84d2b3 VS |
1606 | intel_crtc_has_type(crtc->config, INTEL_OUTPUT_DVO); |
1607 | } | |
1c4e0274 VS |
1608 | |
1609 | return count; | |
1610 | } | |
1611 | ||
66e3d5c0 | 1612 | static void i9xx_enable_pll(struct intel_crtc *crtc) |
63d7bbe9 | 1613 | { |
66e3d5c0 | 1614 | struct drm_device *dev = crtc->base.dev; |
fac5e23e | 1615 | struct drm_i915_private *dev_priv = to_i915(dev); |
f0f59a00 | 1616 | i915_reg_t reg = DPLL(crtc->pipe); |
6e3c9717 | 1617 | u32 dpll = crtc->config->dpll_hw_state.dpll; |
63d7bbe9 | 1618 | |
66e3d5c0 | 1619 | assert_pipe_disabled(dev_priv, crtc->pipe); |
58c6eaa2 | 1620 | |
63d7bbe9 | 1621 | /* PLL is protected by panel, make sure we can write it */ |
66e3d5c0 DV |
1622 | if (IS_MOBILE(dev) && !IS_I830(dev)) |
1623 | assert_panel_unlocked(dev_priv, crtc->pipe); | |
63d7bbe9 | 1624 | |
1c4e0274 VS |
1625 | /* Enable DVO 2x clock on both PLLs if necessary */ |
1626 | if (IS_I830(dev) && intel_num_dvo_pipes(dev) > 0) { | |
1627 | /* | |
1628 | * It appears to be important that we don't enable this | |
1629 | * for the current pipe before otherwise configuring the | |
1630 | * PLL. No idea how this should be handled if multiple | |
1631 | * DVO outputs are enabled simultaneosly. | |
1632 | */ | |
1633 | dpll |= DPLL_DVO_2X_MODE; | |
1634 | I915_WRITE(DPLL(!crtc->pipe), | |
1635 | I915_READ(DPLL(!crtc->pipe)) | DPLL_DVO_2X_MODE); | |
1636 | } | |
66e3d5c0 | 1637 | |
c2b63374 VS |
1638 | /* |
1639 | * Apparently we need to have VGA mode enabled prior to changing | |
1640 | * the P1/P2 dividers. Otherwise the DPLL will keep using the old | |
1641 | * dividers, even though the register value does change. | |
1642 | */ | |
1643 | I915_WRITE(reg, 0); | |
1644 | ||
8e7a65aa VS |
1645 | I915_WRITE(reg, dpll); |
1646 | ||
66e3d5c0 DV |
1647 | /* Wait for the clocks to stabilize. */ |
1648 | POSTING_READ(reg); | |
1649 | udelay(150); | |
1650 | ||
1651 | if (INTEL_INFO(dev)->gen >= 4) { | |
1652 | I915_WRITE(DPLL_MD(crtc->pipe), | |
6e3c9717 | 1653 | crtc->config->dpll_hw_state.dpll_md); |
66e3d5c0 DV |
1654 | } else { |
1655 | /* The pixel multiplier can only be updated once the | |
1656 | * DPLL is enabled and the clocks are stable. | |
1657 | * | |
1658 | * So write it again. | |
1659 | */ | |
1660 | I915_WRITE(reg, dpll); | |
1661 | } | |
63d7bbe9 JB |
1662 | |
1663 | /* We do this three times for luck */ | |
66e3d5c0 | 1664 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1665 | POSTING_READ(reg); |
1666 | udelay(150); /* wait for warmup */ | |
66e3d5c0 | 1667 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1668 | POSTING_READ(reg); |
1669 | udelay(150); /* wait for warmup */ | |
66e3d5c0 | 1670 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1671 | POSTING_READ(reg); |
1672 | udelay(150); /* wait for warmup */ | |
1673 | } | |
1674 | ||
1675 | /** | |
50b44a44 | 1676 | * i9xx_disable_pll - disable a PLL |
63d7bbe9 JB |
1677 | * @dev_priv: i915 private structure |
1678 | * @pipe: pipe PLL to disable | |
1679 | * | |
1680 | * Disable the PLL for @pipe, making sure the pipe is off first. | |
1681 | * | |
1682 | * Note! This is for pre-ILK only. | |
1683 | */ | |
1c4e0274 | 1684 | static void i9xx_disable_pll(struct intel_crtc *crtc) |
63d7bbe9 | 1685 | { |
1c4e0274 | 1686 | struct drm_device *dev = crtc->base.dev; |
fac5e23e | 1687 | struct drm_i915_private *dev_priv = to_i915(dev); |
1c4e0274 VS |
1688 | enum pipe pipe = crtc->pipe; |
1689 | ||
1690 | /* Disable DVO 2x clock on both PLLs if necessary */ | |
1691 | if (IS_I830(dev) && | |
2d84d2b3 | 1692 | intel_crtc_has_type(crtc->config, INTEL_OUTPUT_DVO) && |
3538b9df | 1693 | !intel_num_dvo_pipes(dev)) { |
1c4e0274 VS |
1694 | I915_WRITE(DPLL(PIPE_B), |
1695 | I915_READ(DPLL(PIPE_B)) & ~DPLL_DVO_2X_MODE); | |
1696 | I915_WRITE(DPLL(PIPE_A), | |
1697 | I915_READ(DPLL(PIPE_A)) & ~DPLL_DVO_2X_MODE); | |
1698 | } | |
1699 | ||
b6b5d049 VS |
1700 | /* Don't disable pipe or pipe PLLs if needed */ |
1701 | if ((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
1702 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
63d7bbe9 JB |
1703 | return; |
1704 | ||
1705 | /* Make sure the pipe isn't still relying on us */ | |
1706 | assert_pipe_disabled(dev_priv, pipe); | |
1707 | ||
b8afb911 | 1708 | I915_WRITE(DPLL(pipe), DPLL_VGA_MODE_DIS); |
50b44a44 | 1709 | POSTING_READ(DPLL(pipe)); |
63d7bbe9 JB |
1710 | } |
1711 | ||
f6071166 JB |
1712 | static void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) |
1713 | { | |
b8afb911 | 1714 | u32 val; |
f6071166 JB |
1715 | |
1716 | /* Make sure the pipe isn't still relying on us */ | |
1717 | assert_pipe_disabled(dev_priv, pipe); | |
1718 | ||
03ed5cbf VS |
1719 | val = DPLL_INTEGRATED_REF_CLK_VLV | |
1720 | DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS; | |
1721 | if (pipe != PIPE_A) | |
1722 | val |= DPLL_INTEGRATED_CRI_CLK_VLV; | |
1723 | ||
f6071166 JB |
1724 | I915_WRITE(DPLL(pipe), val); |
1725 | POSTING_READ(DPLL(pipe)); | |
076ed3b2 CML |
1726 | } |
1727 | ||
1728 | static void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) | |
1729 | { | |
d752048d | 1730 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
076ed3b2 CML |
1731 | u32 val; |
1732 | ||
a11b0703 VS |
1733 | /* Make sure the pipe isn't still relying on us */ |
1734 | assert_pipe_disabled(dev_priv, pipe); | |
076ed3b2 | 1735 | |
60bfe44f VS |
1736 | val = DPLL_SSC_REF_CLK_CHV | |
1737 | DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS; | |
a11b0703 VS |
1738 | if (pipe != PIPE_A) |
1739 | val |= DPLL_INTEGRATED_CRI_CLK_VLV; | |
03ed5cbf | 1740 | |
a11b0703 VS |
1741 | I915_WRITE(DPLL(pipe), val); |
1742 | POSTING_READ(DPLL(pipe)); | |
d752048d | 1743 | |
a580516d | 1744 | mutex_lock(&dev_priv->sb_lock); |
d752048d VS |
1745 | |
1746 | /* Disable 10bit clock to display controller */ | |
1747 | val = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); | |
1748 | val &= ~DPIO_DCLKP_EN; | |
1749 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), val); | |
1750 | ||
a580516d | 1751 | mutex_unlock(&dev_priv->sb_lock); |
f6071166 JB |
1752 | } |
1753 | ||
e4607fcf | 1754 | void vlv_wait_port_ready(struct drm_i915_private *dev_priv, |
9b6de0a1 VS |
1755 | struct intel_digital_port *dport, |
1756 | unsigned int expected_mask) | |
89b667f8 JB |
1757 | { |
1758 | u32 port_mask; | |
f0f59a00 | 1759 | i915_reg_t dpll_reg; |
89b667f8 | 1760 | |
e4607fcf CML |
1761 | switch (dport->port) { |
1762 | case PORT_B: | |
89b667f8 | 1763 | port_mask = DPLL_PORTB_READY_MASK; |
00fc31b7 | 1764 | dpll_reg = DPLL(0); |
e4607fcf CML |
1765 | break; |
1766 | case PORT_C: | |
89b667f8 | 1767 | port_mask = DPLL_PORTC_READY_MASK; |
00fc31b7 | 1768 | dpll_reg = DPLL(0); |
9b6de0a1 | 1769 | expected_mask <<= 4; |
00fc31b7 CML |
1770 | break; |
1771 | case PORT_D: | |
1772 | port_mask = DPLL_PORTD_READY_MASK; | |
1773 | dpll_reg = DPIO_PHY_STATUS; | |
e4607fcf CML |
1774 | break; |
1775 | default: | |
1776 | BUG(); | |
1777 | } | |
89b667f8 | 1778 | |
370004d3 CW |
1779 | if (intel_wait_for_register(dev_priv, |
1780 | dpll_reg, port_mask, expected_mask, | |
1781 | 1000)) | |
9b6de0a1 VS |
1782 | WARN(1, "timed out waiting for port %c ready: got 0x%x, expected 0x%x\n", |
1783 | port_name(dport->port), I915_READ(dpll_reg) & port_mask, expected_mask); | |
89b667f8 JB |
1784 | } |
1785 | ||
b8a4f404 PZ |
1786 | static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
1787 | enum pipe pipe) | |
040484af | 1788 | { |
91c8a326 | 1789 | struct drm_device *dev = &dev_priv->drm; |
7c26e5c6 | 1790 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
e2b78267 | 1791 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
f0f59a00 VS |
1792 | i915_reg_t reg; |
1793 | uint32_t val, pipeconf_val; | |
040484af | 1794 | |
040484af | 1795 | /* Make sure PCH DPLL is enabled */ |
8106ddbd | 1796 | assert_shared_dpll_enabled(dev_priv, intel_crtc->config->shared_dpll); |
040484af JB |
1797 | |
1798 | /* FDI must be feeding us bits for PCH ports */ | |
1799 | assert_fdi_tx_enabled(dev_priv, pipe); | |
1800 | assert_fdi_rx_enabled(dev_priv, pipe); | |
1801 | ||
23670b32 DV |
1802 | if (HAS_PCH_CPT(dev)) { |
1803 | /* Workaround: Set the timing override bit before enabling the | |
1804 | * pch transcoder. */ | |
1805 | reg = TRANS_CHICKEN2(pipe); | |
1806 | val = I915_READ(reg); | |
1807 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; | |
1808 | I915_WRITE(reg, val); | |
59c859d6 | 1809 | } |
23670b32 | 1810 | |
ab9412ba | 1811 | reg = PCH_TRANSCONF(pipe); |
040484af | 1812 | val = I915_READ(reg); |
5f7f726d | 1813 | pipeconf_val = I915_READ(PIPECONF(pipe)); |
e9bcff5c | 1814 | |
2d1fe073 | 1815 | if (HAS_PCH_IBX(dev_priv)) { |
e9bcff5c | 1816 | /* |
c5de7c6f VS |
1817 | * Make the BPC in transcoder be consistent with |
1818 | * that in pipeconf reg. For HDMI we must use 8bpc | |
1819 | * here for both 8bpc and 12bpc. | |
e9bcff5c | 1820 | */ |
dfd07d72 | 1821 | val &= ~PIPECONF_BPC_MASK; |
2d84d2b3 | 1822 | if (intel_crtc_has_type(intel_crtc->config, INTEL_OUTPUT_HDMI)) |
c5de7c6f VS |
1823 | val |= PIPECONF_8BPC; |
1824 | else | |
1825 | val |= pipeconf_val & PIPECONF_BPC_MASK; | |
e9bcff5c | 1826 | } |
5f7f726d PZ |
1827 | |
1828 | val &= ~TRANS_INTERLACE_MASK; | |
1829 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK) == PIPECONF_INTERLACED_ILK) | |
2d1fe073 | 1830 | if (HAS_PCH_IBX(dev_priv) && |
2d84d2b3 | 1831 | intel_crtc_has_type(intel_crtc->config, INTEL_OUTPUT_SDVO)) |
7c26e5c6 PZ |
1832 | val |= TRANS_LEGACY_INTERLACED_ILK; |
1833 | else | |
1834 | val |= TRANS_INTERLACED; | |
5f7f726d PZ |
1835 | else |
1836 | val |= TRANS_PROGRESSIVE; | |
1837 | ||
040484af | 1838 | I915_WRITE(reg, val | TRANS_ENABLE); |
650fbd84 CW |
1839 | if (intel_wait_for_register(dev_priv, |
1840 | reg, TRANS_STATE_ENABLE, TRANS_STATE_ENABLE, | |
1841 | 100)) | |
4bb6f1f3 | 1842 | DRM_ERROR("failed to enable transcoder %c\n", pipe_name(pipe)); |
040484af JB |
1843 | } |
1844 | ||
8fb033d7 | 1845 | static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
937bb610 | 1846 | enum transcoder cpu_transcoder) |
040484af | 1847 | { |
8fb033d7 | 1848 | u32 val, pipeconf_val; |
8fb033d7 | 1849 | |
8fb033d7 | 1850 | /* FDI must be feeding us bits for PCH ports */ |
1a240d4d | 1851 | assert_fdi_tx_enabled(dev_priv, (enum pipe) cpu_transcoder); |
937bb610 | 1852 | assert_fdi_rx_enabled(dev_priv, TRANSCODER_A); |
8fb033d7 | 1853 | |
223a6fdf | 1854 | /* Workaround: set timing override bit. */ |
36c0d0cf | 1855 | val = I915_READ(TRANS_CHICKEN2(PIPE_A)); |
23670b32 | 1856 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; |
36c0d0cf | 1857 | I915_WRITE(TRANS_CHICKEN2(PIPE_A), val); |
223a6fdf | 1858 | |
25f3ef11 | 1859 | val = TRANS_ENABLE; |
937bb610 | 1860 | pipeconf_val = I915_READ(PIPECONF(cpu_transcoder)); |
8fb033d7 | 1861 | |
9a76b1c6 PZ |
1862 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK_HSW) == |
1863 | PIPECONF_INTERLACED_ILK) | |
a35f2679 | 1864 | val |= TRANS_INTERLACED; |
8fb033d7 PZ |
1865 | else |
1866 | val |= TRANS_PROGRESSIVE; | |
1867 | ||
ab9412ba | 1868 | I915_WRITE(LPT_TRANSCONF, val); |
d9f96244 CW |
1869 | if (intel_wait_for_register(dev_priv, |
1870 | LPT_TRANSCONF, | |
1871 | TRANS_STATE_ENABLE, | |
1872 | TRANS_STATE_ENABLE, | |
1873 | 100)) | |
937bb610 | 1874 | DRM_ERROR("Failed to enable PCH transcoder\n"); |
8fb033d7 PZ |
1875 | } |
1876 | ||
b8a4f404 PZ |
1877 | static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv, |
1878 | enum pipe pipe) | |
040484af | 1879 | { |
91c8a326 | 1880 | struct drm_device *dev = &dev_priv->drm; |
f0f59a00 VS |
1881 | i915_reg_t reg; |
1882 | uint32_t val; | |
040484af JB |
1883 | |
1884 | /* FDI relies on the transcoder */ | |
1885 | assert_fdi_tx_disabled(dev_priv, pipe); | |
1886 | assert_fdi_rx_disabled(dev_priv, pipe); | |
1887 | ||
291906f1 JB |
1888 | /* Ports must be off as well */ |
1889 | assert_pch_ports_disabled(dev_priv, pipe); | |
1890 | ||
ab9412ba | 1891 | reg = PCH_TRANSCONF(pipe); |
040484af JB |
1892 | val = I915_READ(reg); |
1893 | val &= ~TRANS_ENABLE; | |
1894 | I915_WRITE(reg, val); | |
1895 | /* wait for PCH transcoder off, transcoder state */ | |
a7d04662 CW |
1896 | if (intel_wait_for_register(dev_priv, |
1897 | reg, TRANS_STATE_ENABLE, 0, | |
1898 | 50)) | |
4bb6f1f3 | 1899 | DRM_ERROR("failed to disable transcoder %c\n", pipe_name(pipe)); |
23670b32 | 1900 | |
c465613b | 1901 | if (HAS_PCH_CPT(dev)) { |
23670b32 DV |
1902 | /* Workaround: Clear the timing override chicken bit again. */ |
1903 | reg = TRANS_CHICKEN2(pipe); | |
1904 | val = I915_READ(reg); | |
1905 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; | |
1906 | I915_WRITE(reg, val); | |
1907 | } | |
040484af JB |
1908 | } |
1909 | ||
b7076546 | 1910 | void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv) |
8fb033d7 | 1911 | { |
8fb033d7 PZ |
1912 | u32 val; |
1913 | ||
ab9412ba | 1914 | val = I915_READ(LPT_TRANSCONF); |
8fb033d7 | 1915 | val &= ~TRANS_ENABLE; |
ab9412ba | 1916 | I915_WRITE(LPT_TRANSCONF, val); |
8fb033d7 | 1917 | /* wait for PCH transcoder off, transcoder state */ |
dfdb4749 CW |
1918 | if (intel_wait_for_register(dev_priv, |
1919 | LPT_TRANSCONF, TRANS_STATE_ENABLE, 0, | |
1920 | 50)) | |
8a52fd9f | 1921 | DRM_ERROR("Failed to disable PCH transcoder\n"); |
223a6fdf PZ |
1922 | |
1923 | /* Workaround: clear timing override bit. */ | |
36c0d0cf | 1924 | val = I915_READ(TRANS_CHICKEN2(PIPE_A)); |
23670b32 | 1925 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; |
36c0d0cf | 1926 | I915_WRITE(TRANS_CHICKEN2(PIPE_A), val); |
040484af JB |
1927 | } |
1928 | ||
b24e7179 | 1929 | /** |
309cfea8 | 1930 | * intel_enable_pipe - enable a pipe, asserting requirements |
0372264a | 1931 | * @crtc: crtc responsible for the pipe |
b24e7179 | 1932 | * |
0372264a | 1933 | * Enable @crtc's pipe, making sure that various hardware specific requirements |
b24e7179 | 1934 | * are met, if applicable, e.g. PLL enabled, LVDS pairs enabled, etc. |
b24e7179 | 1935 | */ |
e1fdc473 | 1936 | static void intel_enable_pipe(struct intel_crtc *crtc) |
b24e7179 | 1937 | { |
0372264a | 1938 | struct drm_device *dev = crtc->base.dev; |
fac5e23e | 1939 | struct drm_i915_private *dev_priv = to_i915(dev); |
0372264a | 1940 | enum pipe pipe = crtc->pipe; |
1a70a728 | 1941 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
1a240d4d | 1942 | enum pipe pch_transcoder; |
f0f59a00 | 1943 | i915_reg_t reg; |
b24e7179 JB |
1944 | u32 val; |
1945 | ||
9e2ee2dd VS |
1946 | DRM_DEBUG_KMS("enabling pipe %c\n", pipe_name(pipe)); |
1947 | ||
58c6eaa2 | 1948 | assert_planes_disabled(dev_priv, pipe); |
93ce0ba6 | 1949 | assert_cursor_disabled(dev_priv, pipe); |
58c6eaa2 DV |
1950 | assert_sprites_disabled(dev_priv, pipe); |
1951 | ||
2d1fe073 | 1952 | if (HAS_PCH_LPT(dev_priv)) |
cc391bbb PZ |
1953 | pch_transcoder = TRANSCODER_A; |
1954 | else | |
1955 | pch_transcoder = pipe; | |
1956 | ||
b24e7179 JB |
1957 | /* |
1958 | * A pipe without a PLL won't actually be able to drive bits from | |
1959 | * a plane. On ILK+ the pipe PLLs are integrated, so we don't | |
1960 | * need the check. | |
1961 | */ | |
09fa8bb9 | 1962 | if (HAS_GMCH_DISPLAY(dev_priv)) { |
d7edc4e5 | 1963 | if (intel_crtc_has_type(crtc->config, INTEL_OUTPUT_DSI)) |
23538ef1 JN |
1964 | assert_dsi_pll_enabled(dev_priv); |
1965 | else | |
1966 | assert_pll_enabled(dev_priv, pipe); | |
09fa8bb9 | 1967 | } else { |
6e3c9717 | 1968 | if (crtc->config->has_pch_encoder) { |
040484af | 1969 | /* if driving the PCH, we need FDI enabled */ |
cc391bbb | 1970 | assert_fdi_rx_pll_enabled(dev_priv, pch_transcoder); |
1a240d4d DV |
1971 | assert_fdi_tx_pll_enabled(dev_priv, |
1972 | (enum pipe) cpu_transcoder); | |
040484af JB |
1973 | } |
1974 | /* FIXME: assert CPU port conditions for SNB+ */ | |
1975 | } | |
b24e7179 | 1976 | |
702e7a56 | 1977 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 1978 | val = I915_READ(reg); |
7ad25d48 | 1979 | if (val & PIPECONF_ENABLE) { |
b6b5d049 VS |
1980 | WARN_ON(!((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
1981 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE))); | |
00d70b15 | 1982 | return; |
7ad25d48 | 1983 | } |
00d70b15 CW |
1984 | |
1985 | I915_WRITE(reg, val | PIPECONF_ENABLE); | |
851855d8 | 1986 | POSTING_READ(reg); |
b7792d8b VS |
1987 | |
1988 | /* | |
1989 | * Until the pipe starts DSL will read as 0, which would cause | |
1990 | * an apparent vblank timestamp jump, which messes up also the | |
1991 | * frame count when it's derived from the timestamps. So let's | |
1992 | * wait for the pipe to start properly before we call | |
1993 | * drm_crtc_vblank_on() | |
1994 | */ | |
1995 | if (dev->max_vblank_count == 0 && | |
1996 | wait_for(intel_get_crtc_scanline(crtc) != crtc->scanline_offset, 50)) | |
1997 | DRM_ERROR("pipe %c didn't start\n", pipe_name(pipe)); | |
b24e7179 JB |
1998 | } |
1999 | ||
2000 | /** | |
309cfea8 | 2001 | * intel_disable_pipe - disable a pipe, asserting requirements |
575f7ab7 | 2002 | * @crtc: crtc whose pipes is to be disabled |
b24e7179 | 2003 | * |
575f7ab7 VS |
2004 | * Disable the pipe of @crtc, making sure that various hardware |
2005 | * specific requirements are met, if applicable, e.g. plane | |
2006 | * disabled, panel fitter off, etc. | |
b24e7179 JB |
2007 | * |
2008 | * Will wait until the pipe has shut down before returning. | |
2009 | */ | |
575f7ab7 | 2010 | static void intel_disable_pipe(struct intel_crtc *crtc) |
b24e7179 | 2011 | { |
fac5e23e | 2012 | struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); |
6e3c9717 | 2013 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
575f7ab7 | 2014 | enum pipe pipe = crtc->pipe; |
f0f59a00 | 2015 | i915_reg_t reg; |
b24e7179 JB |
2016 | u32 val; |
2017 | ||
9e2ee2dd VS |
2018 | DRM_DEBUG_KMS("disabling pipe %c\n", pipe_name(pipe)); |
2019 | ||
b24e7179 JB |
2020 | /* |
2021 | * Make sure planes won't keep trying to pump pixels to us, | |
2022 | * or we might hang the display. | |
2023 | */ | |
2024 | assert_planes_disabled(dev_priv, pipe); | |
93ce0ba6 | 2025 | assert_cursor_disabled(dev_priv, pipe); |
19332d7a | 2026 | assert_sprites_disabled(dev_priv, pipe); |
b24e7179 | 2027 | |
702e7a56 | 2028 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 2029 | val = I915_READ(reg); |
00d70b15 CW |
2030 | if ((val & PIPECONF_ENABLE) == 0) |
2031 | return; | |
2032 | ||
67adc644 VS |
2033 | /* |
2034 | * Double wide has implications for planes | |
2035 | * so best keep it disabled when not needed. | |
2036 | */ | |
6e3c9717 | 2037 | if (crtc->config->double_wide) |
67adc644 VS |
2038 | val &= ~PIPECONF_DOUBLE_WIDE; |
2039 | ||
2040 | /* Don't disable pipe or pipe PLLs if needed */ | |
b6b5d049 VS |
2041 | if (!(pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) && |
2042 | !(pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
67adc644 VS |
2043 | val &= ~PIPECONF_ENABLE; |
2044 | ||
2045 | I915_WRITE(reg, val); | |
2046 | if ((val & PIPECONF_ENABLE) == 0) | |
2047 | intel_wait_for_pipe_off(crtc); | |
b24e7179 JB |
2048 | } |
2049 | ||
832be82f VS |
2050 | static unsigned int intel_tile_size(const struct drm_i915_private *dev_priv) |
2051 | { | |
2052 | return IS_GEN2(dev_priv) ? 2048 : 4096; | |
2053 | } | |
2054 | ||
27ba3910 VS |
2055 | static unsigned int intel_tile_width_bytes(const struct drm_i915_private *dev_priv, |
2056 | uint64_t fb_modifier, unsigned int cpp) | |
7b49f948 VS |
2057 | { |
2058 | switch (fb_modifier) { | |
2059 | case DRM_FORMAT_MOD_NONE: | |
2060 | return cpp; | |
2061 | case I915_FORMAT_MOD_X_TILED: | |
2062 | if (IS_GEN2(dev_priv)) | |
2063 | return 128; | |
2064 | else | |
2065 | return 512; | |
2066 | case I915_FORMAT_MOD_Y_TILED: | |
2067 | if (IS_GEN2(dev_priv) || HAS_128_BYTE_Y_TILING(dev_priv)) | |
2068 | return 128; | |
2069 | else | |
2070 | return 512; | |
2071 | case I915_FORMAT_MOD_Yf_TILED: | |
2072 | switch (cpp) { | |
2073 | case 1: | |
2074 | return 64; | |
2075 | case 2: | |
2076 | case 4: | |
2077 | return 128; | |
2078 | case 8: | |
2079 | case 16: | |
2080 | return 256; | |
2081 | default: | |
2082 | MISSING_CASE(cpp); | |
2083 | return cpp; | |
2084 | } | |
2085 | break; | |
2086 | default: | |
2087 | MISSING_CASE(fb_modifier); | |
2088 | return cpp; | |
2089 | } | |
2090 | } | |
2091 | ||
832be82f VS |
2092 | unsigned int intel_tile_height(const struct drm_i915_private *dev_priv, |
2093 | uint64_t fb_modifier, unsigned int cpp) | |
a57ce0b2 | 2094 | { |
832be82f VS |
2095 | if (fb_modifier == DRM_FORMAT_MOD_NONE) |
2096 | return 1; | |
2097 | else | |
2098 | return intel_tile_size(dev_priv) / | |
27ba3910 | 2099 | intel_tile_width_bytes(dev_priv, fb_modifier, cpp); |
6761dd31 TU |
2100 | } |
2101 | ||
8d0deca8 VS |
2102 | /* Return the tile dimensions in pixel units */ |
2103 | static void intel_tile_dims(const struct drm_i915_private *dev_priv, | |
2104 | unsigned int *tile_width, | |
2105 | unsigned int *tile_height, | |
2106 | uint64_t fb_modifier, | |
2107 | unsigned int cpp) | |
2108 | { | |
2109 | unsigned int tile_width_bytes = | |
2110 | intel_tile_width_bytes(dev_priv, fb_modifier, cpp); | |
2111 | ||
2112 | *tile_width = tile_width_bytes / cpp; | |
2113 | *tile_height = intel_tile_size(dev_priv) / tile_width_bytes; | |
2114 | } | |
2115 | ||
6761dd31 TU |
2116 | unsigned int |
2117 | intel_fb_align_height(struct drm_device *dev, unsigned int height, | |
832be82f | 2118 | uint32_t pixel_format, uint64_t fb_modifier) |
6761dd31 | 2119 | { |
832be82f VS |
2120 | unsigned int cpp = drm_format_plane_cpp(pixel_format, 0); |
2121 | unsigned int tile_height = intel_tile_height(to_i915(dev), fb_modifier, cpp); | |
2122 | ||
2123 | return ALIGN(height, tile_height); | |
a57ce0b2 JB |
2124 | } |
2125 | ||
1663b9d6 VS |
2126 | unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info) |
2127 | { | |
2128 | unsigned int size = 0; | |
2129 | int i; | |
2130 | ||
2131 | for (i = 0 ; i < ARRAY_SIZE(rot_info->plane); i++) | |
2132 | size += rot_info->plane[i].width * rot_info->plane[i].height; | |
2133 | ||
2134 | return size; | |
2135 | } | |
2136 | ||
75c82a53 | 2137 | static void |
3465c580 VS |
2138 | intel_fill_fb_ggtt_view(struct i915_ggtt_view *view, |
2139 | const struct drm_framebuffer *fb, | |
2140 | unsigned int rotation) | |
f64b98cd | 2141 | { |
2d7a215f VS |
2142 | if (intel_rotation_90_or_270(rotation)) { |
2143 | *view = i915_ggtt_view_rotated; | |
2144 | view->params.rotated = to_intel_framebuffer(fb)->rot_info; | |
2145 | } else { | |
2146 | *view = i915_ggtt_view_normal; | |
2147 | } | |
2148 | } | |
50470bb0 | 2149 | |
603525d7 | 2150 | static unsigned int intel_linear_alignment(const struct drm_i915_private *dev_priv) |
4e9a86b6 VS |
2151 | { |
2152 | if (INTEL_INFO(dev_priv)->gen >= 9) | |
2153 | return 256 * 1024; | |
985b8bb4 | 2154 | else if (IS_BROADWATER(dev_priv) || IS_CRESTLINE(dev_priv) || |
666a4537 | 2155 | IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) |
4e9a86b6 VS |
2156 | return 128 * 1024; |
2157 | else if (INTEL_INFO(dev_priv)->gen >= 4) | |
2158 | return 4 * 1024; | |
2159 | else | |
44c5905e | 2160 | return 0; |
4e9a86b6 VS |
2161 | } |
2162 | ||
603525d7 VS |
2163 | static unsigned int intel_surf_alignment(const struct drm_i915_private *dev_priv, |
2164 | uint64_t fb_modifier) | |
2165 | { | |
2166 | switch (fb_modifier) { | |
2167 | case DRM_FORMAT_MOD_NONE: | |
2168 | return intel_linear_alignment(dev_priv); | |
2169 | case I915_FORMAT_MOD_X_TILED: | |
2170 | if (INTEL_INFO(dev_priv)->gen >= 9) | |
2171 | return 256 * 1024; | |
2172 | return 0; | |
2173 | case I915_FORMAT_MOD_Y_TILED: | |
2174 | case I915_FORMAT_MOD_Yf_TILED: | |
2175 | return 1 * 1024 * 1024; | |
2176 | default: | |
2177 | MISSING_CASE(fb_modifier); | |
2178 | return 0; | |
2179 | } | |
2180 | } | |
2181 | ||
058d88c4 CW |
2182 | struct i915_vma * |
2183 | intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb, unsigned int rotation) | |
6b95a207 | 2184 | { |
850c4cdc | 2185 | struct drm_device *dev = fb->dev; |
fac5e23e | 2186 | struct drm_i915_private *dev_priv = to_i915(dev); |
850c4cdc | 2187 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
f64b98cd | 2188 | struct i915_ggtt_view view; |
058d88c4 | 2189 | struct i915_vma *vma; |
6b95a207 | 2190 | u32 alignment; |
6b95a207 | 2191 | |
ebcdd39e MR |
2192 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
2193 | ||
603525d7 | 2194 | alignment = intel_surf_alignment(dev_priv, fb->modifier[0]); |
6b95a207 | 2195 | |
3465c580 | 2196 | intel_fill_fb_ggtt_view(&view, fb, rotation); |
f64b98cd | 2197 | |
693db184 CW |
2198 | /* Note that the w/a also requires 64 PTE of padding following the |
2199 | * bo. We currently fill all unused PTE with the shadow page and so | |
2200 | * we should always have valid PTE following the scanout preventing | |
2201 | * the VT-d warning. | |
2202 | */ | |
48f112fe | 2203 | if (intel_scanout_needs_vtd_wa(dev_priv) && alignment < 256 * 1024) |
693db184 CW |
2204 | alignment = 256 * 1024; |
2205 | ||
d6dd6843 PZ |
2206 | /* |
2207 | * Global gtt pte registers are special registers which actually forward | |
2208 | * writes to a chunk of system memory. Which means that there is no risk | |
2209 | * that the register values disappear as soon as we call | |
2210 | * intel_runtime_pm_put(), so it is correct to wrap only the | |
2211 | * pin/unpin/fence and not more. | |
2212 | */ | |
2213 | intel_runtime_pm_get(dev_priv); | |
2214 | ||
058d88c4 | 2215 | vma = i915_gem_object_pin_to_display_plane(obj, alignment, &view); |
49ef5294 CW |
2216 | if (IS_ERR(vma)) |
2217 | goto err; | |
6b95a207 | 2218 | |
05a20d09 | 2219 | if (i915_vma_is_map_and_fenceable(vma)) { |
49ef5294 CW |
2220 | /* Install a fence for tiled scan-out. Pre-i965 always needs a |
2221 | * fence, whereas 965+ only requires a fence if using | |
2222 | * framebuffer compression. For simplicity, we always, when | |
2223 | * possible, install a fence as the cost is not that onerous. | |
2224 | * | |
2225 | * If we fail to fence the tiled scanout, then either the | |
2226 | * modeset will reject the change (which is highly unlikely as | |
2227 | * the affected systems, all but one, do not have unmappable | |
2228 | * space) or we will not be able to enable full powersaving | |
2229 | * techniques (also likely not to apply due to various limits | |
2230 | * FBC and the like impose on the size of the buffer, which | |
2231 | * presumably we violated anyway with this unmappable buffer). | |
2232 | * Anyway, it is presumably better to stumble onwards with | |
2233 | * something and try to run the system in a "less than optimal" | |
2234 | * mode that matches the user configuration. | |
2235 | */ | |
2236 | if (i915_vma_get_fence(vma) == 0) | |
2237 | i915_vma_pin_fence(vma); | |
9807216f | 2238 | } |
6b95a207 | 2239 | |
49ef5294 | 2240 | err: |
d6dd6843 | 2241 | intel_runtime_pm_put(dev_priv); |
058d88c4 | 2242 | return vma; |
6b95a207 KH |
2243 | } |
2244 | ||
fb4b8ce1 | 2245 | void intel_unpin_fb_obj(struct drm_framebuffer *fb, unsigned int rotation) |
1690e1eb | 2246 | { |
82bc3b2d | 2247 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
f64b98cd | 2248 | struct i915_ggtt_view view; |
058d88c4 | 2249 | struct i915_vma *vma; |
82bc3b2d | 2250 | |
ebcdd39e MR |
2251 | WARN_ON(!mutex_is_locked(&obj->base.dev->struct_mutex)); |
2252 | ||
3465c580 | 2253 | intel_fill_fb_ggtt_view(&view, fb, rotation); |
05a20d09 | 2254 | vma = i915_gem_object_to_ggtt(obj, &view); |
f64b98cd | 2255 | |
49ef5294 | 2256 | i915_vma_unpin_fence(vma); |
058d88c4 | 2257 | i915_gem_object_unpin_from_display_plane(vma); |
1690e1eb CW |
2258 | } |
2259 | ||
ef78ec94 VS |
2260 | static int intel_fb_pitch(const struct drm_framebuffer *fb, int plane, |
2261 | unsigned int rotation) | |
2262 | { | |
2263 | if (intel_rotation_90_or_270(rotation)) | |
2264 | return to_intel_framebuffer(fb)->rotated[plane].pitch; | |
2265 | else | |
2266 | return fb->pitches[plane]; | |
2267 | } | |
2268 | ||
6687c906 VS |
2269 | /* |
2270 | * Convert the x/y offsets into a linear offset. | |
2271 | * Only valid with 0/180 degree rotation, which is fine since linear | |
2272 | * offset is only used with linear buffers on pre-hsw and tiled buffers | |
2273 | * with gen2/3, and 90/270 degree rotations isn't supported on any of them. | |
2274 | */ | |
2275 | u32 intel_fb_xy_to_linear(int x, int y, | |
2949056c VS |
2276 | const struct intel_plane_state *state, |
2277 | int plane) | |
6687c906 | 2278 | { |
2949056c | 2279 | const struct drm_framebuffer *fb = state->base.fb; |
6687c906 VS |
2280 | unsigned int cpp = drm_format_plane_cpp(fb->pixel_format, plane); |
2281 | unsigned int pitch = fb->pitches[plane]; | |
2282 | ||
2283 | return y * pitch + x * cpp; | |
2284 | } | |
2285 | ||
2286 | /* | |
2287 | * Add the x/y offsets derived from fb->offsets[] to the user | |
2288 | * specified plane src x/y offsets. The resulting x/y offsets | |
2289 | * specify the start of scanout from the beginning of the gtt mapping. | |
2290 | */ | |
2291 | void intel_add_fb_offsets(int *x, int *y, | |
2949056c VS |
2292 | const struct intel_plane_state *state, |
2293 | int plane) | |
6687c906 VS |
2294 | |
2295 | { | |
2949056c VS |
2296 | const struct intel_framebuffer *intel_fb = to_intel_framebuffer(state->base.fb); |
2297 | unsigned int rotation = state->base.rotation; | |
6687c906 VS |
2298 | |
2299 | if (intel_rotation_90_or_270(rotation)) { | |
2300 | *x += intel_fb->rotated[plane].x; | |
2301 | *y += intel_fb->rotated[plane].y; | |
2302 | } else { | |
2303 | *x += intel_fb->normal[plane].x; | |
2304 | *y += intel_fb->normal[plane].y; | |
2305 | } | |
2306 | } | |
2307 | ||
29cf9491 | 2308 | /* |
29cf9491 VS |
2309 | * Input tile dimensions and pitch must already be |
2310 | * rotated to match x and y, and in pixel units. | |
2311 | */ | |
66a2d927 VS |
2312 | static u32 _intel_adjust_tile_offset(int *x, int *y, |
2313 | unsigned int tile_width, | |
2314 | unsigned int tile_height, | |
2315 | unsigned int tile_size, | |
2316 | unsigned int pitch_tiles, | |
2317 | u32 old_offset, | |
2318 | u32 new_offset) | |
29cf9491 | 2319 | { |
b9b24038 | 2320 | unsigned int pitch_pixels = pitch_tiles * tile_width; |
29cf9491 VS |
2321 | unsigned int tiles; |
2322 | ||
2323 | WARN_ON(old_offset & (tile_size - 1)); | |
2324 | WARN_ON(new_offset & (tile_size - 1)); | |
2325 | WARN_ON(new_offset > old_offset); | |
2326 | ||
2327 | tiles = (old_offset - new_offset) / tile_size; | |
2328 | ||
2329 | *y += tiles / pitch_tiles * tile_height; | |
2330 | *x += tiles % pitch_tiles * tile_width; | |
2331 | ||
b9b24038 VS |
2332 | /* minimize x in case it got needlessly big */ |
2333 | *y += *x / pitch_pixels * tile_height; | |
2334 | *x %= pitch_pixels; | |
2335 | ||
29cf9491 VS |
2336 | return new_offset; |
2337 | } | |
2338 | ||
66a2d927 VS |
2339 | /* |
2340 | * Adjust the tile offset by moving the difference into | |
2341 | * the x/y offsets. | |
2342 | */ | |
2343 | static u32 intel_adjust_tile_offset(int *x, int *y, | |
2344 | const struct intel_plane_state *state, int plane, | |
2345 | u32 old_offset, u32 new_offset) | |
2346 | { | |
2347 | const struct drm_i915_private *dev_priv = to_i915(state->base.plane->dev); | |
2348 | const struct drm_framebuffer *fb = state->base.fb; | |
2349 | unsigned int cpp = drm_format_plane_cpp(fb->pixel_format, plane); | |
2350 | unsigned int rotation = state->base.rotation; | |
2351 | unsigned int pitch = intel_fb_pitch(fb, plane, rotation); | |
2352 | ||
2353 | WARN_ON(new_offset > old_offset); | |
2354 | ||
2355 | if (fb->modifier[plane] != DRM_FORMAT_MOD_NONE) { | |
2356 | unsigned int tile_size, tile_width, tile_height; | |
2357 | unsigned int pitch_tiles; | |
2358 | ||
2359 | tile_size = intel_tile_size(dev_priv); | |
2360 | intel_tile_dims(dev_priv, &tile_width, &tile_height, | |
2361 | fb->modifier[plane], cpp); | |
2362 | ||
2363 | if (intel_rotation_90_or_270(rotation)) { | |
2364 | pitch_tiles = pitch / tile_height; | |
2365 | swap(tile_width, tile_height); | |
2366 | } else { | |
2367 | pitch_tiles = pitch / (tile_width * cpp); | |
2368 | } | |
2369 | ||
2370 | _intel_adjust_tile_offset(x, y, tile_width, tile_height, | |
2371 | tile_size, pitch_tiles, | |
2372 | old_offset, new_offset); | |
2373 | } else { | |
2374 | old_offset += *y * pitch + *x * cpp; | |
2375 | ||
2376 | *y = (old_offset - new_offset) / pitch; | |
2377 | *x = ((old_offset - new_offset) - *y * pitch) / cpp; | |
2378 | } | |
2379 | ||
2380 | return new_offset; | |
2381 | } | |
2382 | ||
8d0deca8 VS |
2383 | /* |
2384 | * Computes the linear offset to the base tile and adjusts | |
2385 | * x, y. bytes per pixel is assumed to be a power-of-two. | |
2386 | * | |
2387 | * In the 90/270 rotated case, x and y are assumed | |
2388 | * to be already rotated to match the rotated GTT view, and | |
2389 | * pitch is the tile_height aligned framebuffer height. | |
6687c906 VS |
2390 | * |
2391 | * This function is used when computing the derived information | |
2392 | * under intel_framebuffer, so using any of that information | |
2393 | * here is not allowed. Anything under drm_framebuffer can be | |
2394 | * used. This is why the user has to pass in the pitch since it | |
2395 | * is specified in the rotated orientation. | |
8d0deca8 | 2396 | */ |
6687c906 VS |
2397 | static u32 _intel_compute_tile_offset(const struct drm_i915_private *dev_priv, |
2398 | int *x, int *y, | |
2399 | const struct drm_framebuffer *fb, int plane, | |
2400 | unsigned int pitch, | |
2401 | unsigned int rotation, | |
2402 | u32 alignment) | |
c2c75131 | 2403 | { |
4f2d9934 VS |
2404 | uint64_t fb_modifier = fb->modifier[plane]; |
2405 | unsigned int cpp = drm_format_plane_cpp(fb->pixel_format, plane); | |
6687c906 | 2406 | u32 offset, offset_aligned; |
29cf9491 | 2407 | |
29cf9491 VS |
2408 | if (alignment) |
2409 | alignment--; | |
2410 | ||
b5c65338 | 2411 | if (fb_modifier != DRM_FORMAT_MOD_NONE) { |
8d0deca8 VS |
2412 | unsigned int tile_size, tile_width, tile_height; |
2413 | unsigned int tile_rows, tiles, pitch_tiles; | |
c2c75131 | 2414 | |
d843310d | 2415 | tile_size = intel_tile_size(dev_priv); |
8d0deca8 VS |
2416 | intel_tile_dims(dev_priv, &tile_width, &tile_height, |
2417 | fb_modifier, cpp); | |
2418 | ||
2419 | if (intel_rotation_90_or_270(rotation)) { | |
2420 | pitch_tiles = pitch / tile_height; | |
2421 | swap(tile_width, tile_height); | |
2422 | } else { | |
2423 | pitch_tiles = pitch / (tile_width * cpp); | |
2424 | } | |
d843310d VS |
2425 | |
2426 | tile_rows = *y / tile_height; | |
2427 | *y %= tile_height; | |
c2c75131 | 2428 | |
8d0deca8 VS |
2429 | tiles = *x / tile_width; |
2430 | *x %= tile_width; | |
bc752862 | 2431 | |
29cf9491 VS |
2432 | offset = (tile_rows * pitch_tiles + tiles) * tile_size; |
2433 | offset_aligned = offset & ~alignment; | |
bc752862 | 2434 | |
66a2d927 VS |
2435 | _intel_adjust_tile_offset(x, y, tile_width, tile_height, |
2436 | tile_size, pitch_tiles, | |
2437 | offset, offset_aligned); | |
29cf9491 | 2438 | } else { |
bc752862 | 2439 | offset = *y * pitch + *x * cpp; |
29cf9491 VS |
2440 | offset_aligned = offset & ~alignment; |
2441 | ||
4e9a86b6 VS |
2442 | *y = (offset & alignment) / pitch; |
2443 | *x = ((offset & alignment) - *y * pitch) / cpp; | |
bc752862 | 2444 | } |
29cf9491 VS |
2445 | |
2446 | return offset_aligned; | |
c2c75131 DV |
2447 | } |
2448 | ||
6687c906 | 2449 | u32 intel_compute_tile_offset(int *x, int *y, |
2949056c VS |
2450 | const struct intel_plane_state *state, |
2451 | int plane) | |
6687c906 | 2452 | { |
2949056c VS |
2453 | const struct drm_i915_private *dev_priv = to_i915(state->base.plane->dev); |
2454 | const struct drm_framebuffer *fb = state->base.fb; | |
2455 | unsigned int rotation = state->base.rotation; | |
ef78ec94 | 2456 | int pitch = intel_fb_pitch(fb, plane, rotation); |
8d970654 VS |
2457 | u32 alignment; |
2458 | ||
2459 | /* AUX_DIST needs only 4K alignment */ | |
2460 | if (fb->pixel_format == DRM_FORMAT_NV12 && plane == 1) | |
2461 | alignment = 4096; | |
2462 | else | |
2463 | alignment = intel_surf_alignment(dev_priv, fb->modifier[plane]); | |
6687c906 VS |
2464 | |
2465 | return _intel_compute_tile_offset(dev_priv, x, y, fb, plane, pitch, | |
2466 | rotation, alignment); | |
2467 | } | |
2468 | ||
2469 | /* Convert the fb->offset[] linear offset into x/y offsets */ | |
2470 | static void intel_fb_offset_to_xy(int *x, int *y, | |
2471 | const struct drm_framebuffer *fb, int plane) | |
2472 | { | |
2473 | unsigned int cpp = drm_format_plane_cpp(fb->pixel_format, plane); | |
2474 | unsigned int pitch = fb->pitches[plane]; | |
2475 | u32 linear_offset = fb->offsets[plane]; | |
2476 | ||
2477 | *y = linear_offset / pitch; | |
2478 | *x = linear_offset % pitch / cpp; | |
2479 | } | |
2480 | ||
72618ebf VS |
2481 | static unsigned int intel_fb_modifier_to_tiling(uint64_t fb_modifier) |
2482 | { | |
2483 | switch (fb_modifier) { | |
2484 | case I915_FORMAT_MOD_X_TILED: | |
2485 | return I915_TILING_X; | |
2486 | case I915_FORMAT_MOD_Y_TILED: | |
2487 | return I915_TILING_Y; | |
2488 | default: | |
2489 | return I915_TILING_NONE; | |
2490 | } | |
2491 | } | |
2492 | ||
6687c906 VS |
2493 | static int |
2494 | intel_fill_fb_info(struct drm_i915_private *dev_priv, | |
2495 | struct drm_framebuffer *fb) | |
2496 | { | |
2497 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
2498 | struct intel_rotation_info *rot_info = &intel_fb->rot_info; | |
2499 | u32 gtt_offset_rotated = 0; | |
2500 | unsigned int max_size = 0; | |
2501 | uint32_t format = fb->pixel_format; | |
2502 | int i, num_planes = drm_format_num_planes(format); | |
2503 | unsigned int tile_size = intel_tile_size(dev_priv); | |
2504 | ||
2505 | for (i = 0; i < num_planes; i++) { | |
2506 | unsigned int width, height; | |
2507 | unsigned int cpp, size; | |
2508 | u32 offset; | |
2509 | int x, y; | |
2510 | ||
2511 | cpp = drm_format_plane_cpp(format, i); | |
2512 | width = drm_format_plane_width(fb->width, format, i); | |
2513 | height = drm_format_plane_height(fb->height, format, i); | |
2514 | ||
2515 | intel_fb_offset_to_xy(&x, &y, fb, i); | |
2516 | ||
60d5f2a4 VS |
2517 | /* |
2518 | * The fence (if used) is aligned to the start of the object | |
2519 | * so having the framebuffer wrap around across the edge of the | |
2520 | * fenced region doesn't really work. We have no API to configure | |
2521 | * the fence start offset within the object (nor could we probably | |
2522 | * on gen2/3). So it's just easier if we just require that the | |
2523 | * fb layout agrees with the fence layout. We already check that the | |
2524 | * fb stride matches the fence stride elsewhere. | |
2525 | */ | |
2526 | if (i915_gem_object_is_tiled(intel_fb->obj) && | |
2527 | (x + width) * cpp > fb->pitches[i]) { | |
2528 | DRM_DEBUG("bad fb plane %d offset: 0x%x\n", | |
2529 | i, fb->offsets[i]); | |
2530 | return -EINVAL; | |
2531 | } | |
2532 | ||
6687c906 VS |
2533 | /* |
2534 | * First pixel of the framebuffer from | |
2535 | * the start of the normal gtt mapping. | |
2536 | */ | |
2537 | intel_fb->normal[i].x = x; | |
2538 | intel_fb->normal[i].y = y; | |
2539 | ||
2540 | offset = _intel_compute_tile_offset(dev_priv, &x, &y, | |
2541 | fb, 0, fb->pitches[i], | |
cc926387 | 2542 | DRM_ROTATE_0, tile_size); |
6687c906 VS |
2543 | offset /= tile_size; |
2544 | ||
2545 | if (fb->modifier[i] != DRM_FORMAT_MOD_NONE) { | |
2546 | unsigned int tile_width, tile_height; | |
2547 | unsigned int pitch_tiles; | |
2548 | struct drm_rect r; | |
2549 | ||
2550 | intel_tile_dims(dev_priv, &tile_width, &tile_height, | |
2551 | fb->modifier[i], cpp); | |
2552 | ||
2553 | rot_info->plane[i].offset = offset; | |
2554 | rot_info->plane[i].stride = DIV_ROUND_UP(fb->pitches[i], tile_width * cpp); | |
2555 | rot_info->plane[i].width = DIV_ROUND_UP(x + width, tile_width); | |
2556 | rot_info->plane[i].height = DIV_ROUND_UP(y + height, tile_height); | |
2557 | ||
2558 | intel_fb->rotated[i].pitch = | |
2559 | rot_info->plane[i].height * tile_height; | |
2560 | ||
2561 | /* how many tiles does this plane need */ | |
2562 | size = rot_info->plane[i].stride * rot_info->plane[i].height; | |
2563 | /* | |
2564 | * If the plane isn't horizontally tile aligned, | |
2565 | * we need one more tile. | |
2566 | */ | |
2567 | if (x != 0) | |
2568 | size++; | |
2569 | ||
2570 | /* rotate the x/y offsets to match the GTT view */ | |
2571 | r.x1 = x; | |
2572 | r.y1 = y; | |
2573 | r.x2 = x + width; | |
2574 | r.y2 = y + height; | |
2575 | drm_rect_rotate(&r, | |
2576 | rot_info->plane[i].width * tile_width, | |
2577 | rot_info->plane[i].height * tile_height, | |
cc926387 | 2578 | DRM_ROTATE_270); |
6687c906 VS |
2579 | x = r.x1; |
2580 | y = r.y1; | |
2581 | ||
2582 | /* rotate the tile dimensions to match the GTT view */ | |
2583 | pitch_tiles = intel_fb->rotated[i].pitch / tile_height; | |
2584 | swap(tile_width, tile_height); | |
2585 | ||
2586 | /* | |
2587 | * We only keep the x/y offsets, so push all of the | |
2588 | * gtt offset into the x/y offsets. | |
2589 | */ | |
66a2d927 VS |
2590 | _intel_adjust_tile_offset(&x, &y, tile_size, |
2591 | tile_width, tile_height, pitch_tiles, | |
2592 | gtt_offset_rotated * tile_size, 0); | |
6687c906 VS |
2593 | |
2594 | gtt_offset_rotated += rot_info->plane[i].width * rot_info->plane[i].height; | |
2595 | ||
2596 | /* | |
2597 | * First pixel of the framebuffer from | |
2598 | * the start of the rotated gtt mapping. | |
2599 | */ | |
2600 | intel_fb->rotated[i].x = x; | |
2601 | intel_fb->rotated[i].y = y; | |
2602 | } else { | |
2603 | size = DIV_ROUND_UP((y + height) * fb->pitches[i] + | |
2604 | x * cpp, tile_size); | |
2605 | } | |
2606 | ||
2607 | /* how many tiles in total needed in the bo */ | |
2608 | max_size = max(max_size, offset + size); | |
2609 | } | |
2610 | ||
2611 | if (max_size * tile_size > to_intel_framebuffer(fb)->obj->base.size) { | |
2612 | DRM_DEBUG("fb too big for bo (need %u bytes, have %zu bytes)\n", | |
2613 | max_size * tile_size, to_intel_framebuffer(fb)->obj->base.size); | |
2614 | return -EINVAL; | |
2615 | } | |
2616 | ||
2617 | return 0; | |
2618 | } | |
2619 | ||
b35d63fa | 2620 | static int i9xx_format_to_fourcc(int format) |
46f297fb JB |
2621 | { |
2622 | switch (format) { | |
2623 | case DISPPLANE_8BPP: | |
2624 | return DRM_FORMAT_C8; | |
2625 | case DISPPLANE_BGRX555: | |
2626 | return DRM_FORMAT_XRGB1555; | |
2627 | case DISPPLANE_BGRX565: | |
2628 | return DRM_FORMAT_RGB565; | |
2629 | default: | |
2630 | case DISPPLANE_BGRX888: | |
2631 | return DRM_FORMAT_XRGB8888; | |
2632 | case DISPPLANE_RGBX888: | |
2633 | return DRM_FORMAT_XBGR8888; | |
2634 | case DISPPLANE_BGRX101010: | |
2635 | return DRM_FORMAT_XRGB2101010; | |
2636 | case DISPPLANE_RGBX101010: | |
2637 | return DRM_FORMAT_XBGR2101010; | |
2638 | } | |
2639 | } | |
2640 | ||
bc8d7dff DL |
2641 | static int skl_format_to_fourcc(int format, bool rgb_order, bool alpha) |
2642 | { | |
2643 | switch (format) { | |
2644 | case PLANE_CTL_FORMAT_RGB_565: | |
2645 | return DRM_FORMAT_RGB565; | |
2646 | default: | |
2647 | case PLANE_CTL_FORMAT_XRGB_8888: | |
2648 | if (rgb_order) { | |
2649 | if (alpha) | |
2650 | return DRM_FORMAT_ABGR8888; | |
2651 | else | |
2652 | return DRM_FORMAT_XBGR8888; | |
2653 | } else { | |
2654 | if (alpha) | |
2655 | return DRM_FORMAT_ARGB8888; | |
2656 | else | |
2657 | return DRM_FORMAT_XRGB8888; | |
2658 | } | |
2659 | case PLANE_CTL_FORMAT_XRGB_2101010: | |
2660 | if (rgb_order) | |
2661 | return DRM_FORMAT_XBGR2101010; | |
2662 | else | |
2663 | return DRM_FORMAT_XRGB2101010; | |
2664 | } | |
2665 | } | |
2666 | ||
5724dbd1 | 2667 | static bool |
f6936e29 DV |
2668 | intel_alloc_initial_plane_obj(struct intel_crtc *crtc, |
2669 | struct intel_initial_plane_config *plane_config) | |
46f297fb JB |
2670 | { |
2671 | struct drm_device *dev = crtc->base.dev; | |
3badb49f | 2672 | struct drm_i915_private *dev_priv = to_i915(dev); |
72e96d64 | 2673 | struct i915_ggtt *ggtt = &dev_priv->ggtt; |
46f297fb JB |
2674 | struct drm_i915_gem_object *obj = NULL; |
2675 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; | |
2d14030b | 2676 | struct drm_framebuffer *fb = &plane_config->fb->base; |
f37b5c2b DV |
2677 | u32 base_aligned = round_down(plane_config->base, PAGE_SIZE); |
2678 | u32 size_aligned = round_up(plane_config->base + plane_config->size, | |
2679 | PAGE_SIZE); | |
2680 | ||
2681 | size_aligned -= base_aligned; | |
46f297fb | 2682 | |
ff2652ea CW |
2683 | if (plane_config->size == 0) |
2684 | return false; | |
2685 | ||
3badb49f PZ |
2686 | /* If the FB is too big, just don't use it since fbdev is not very |
2687 | * important and we should probably use that space with FBC or other | |
2688 | * features. */ | |
72e96d64 | 2689 | if (size_aligned * 2 > ggtt->stolen_usable_size) |
3badb49f PZ |
2690 | return false; |
2691 | ||
12c83d99 TU |
2692 | mutex_lock(&dev->struct_mutex); |
2693 | ||
f37b5c2b DV |
2694 | obj = i915_gem_object_create_stolen_for_preallocated(dev, |
2695 | base_aligned, | |
2696 | base_aligned, | |
2697 | size_aligned); | |
12c83d99 TU |
2698 | if (!obj) { |
2699 | mutex_unlock(&dev->struct_mutex); | |
484b41dd | 2700 | return false; |
12c83d99 | 2701 | } |
46f297fb | 2702 | |
3e510a8e CW |
2703 | if (plane_config->tiling == I915_TILING_X) |
2704 | obj->tiling_and_stride = fb->pitches[0] | I915_TILING_X; | |
46f297fb | 2705 | |
6bf129df DL |
2706 | mode_cmd.pixel_format = fb->pixel_format; |
2707 | mode_cmd.width = fb->width; | |
2708 | mode_cmd.height = fb->height; | |
2709 | mode_cmd.pitches[0] = fb->pitches[0]; | |
18c5247e DV |
2710 | mode_cmd.modifier[0] = fb->modifier[0]; |
2711 | mode_cmd.flags = DRM_MODE_FB_MODIFIERS; | |
46f297fb | 2712 | |
6bf129df | 2713 | if (intel_framebuffer_init(dev, to_intel_framebuffer(fb), |
484b41dd | 2714 | &mode_cmd, obj)) { |
46f297fb JB |
2715 | DRM_DEBUG_KMS("intel fb init failed\n"); |
2716 | goto out_unref_obj; | |
2717 | } | |
12c83d99 | 2718 | |
46f297fb | 2719 | mutex_unlock(&dev->struct_mutex); |
484b41dd | 2720 | |
f6936e29 | 2721 | DRM_DEBUG_KMS("initial plane fb obj %p\n", obj); |
484b41dd | 2722 | return true; |
46f297fb JB |
2723 | |
2724 | out_unref_obj: | |
f8c417cd | 2725 | i915_gem_object_put(obj); |
46f297fb | 2726 | mutex_unlock(&dev->struct_mutex); |
484b41dd JB |
2727 | return false; |
2728 | } | |
2729 | ||
5a21b665 DV |
2730 | /* Update plane->state->fb to match plane->fb after driver-internal updates */ |
2731 | static void | |
2732 | update_state_fb(struct drm_plane *plane) | |
2733 | { | |
2734 | if (plane->fb == plane->state->fb) | |
2735 | return; | |
2736 | ||
2737 | if (plane->state->fb) | |
2738 | drm_framebuffer_unreference(plane->state->fb); | |
2739 | plane->state->fb = plane->fb; | |
2740 | if (plane->state->fb) | |
2741 | drm_framebuffer_reference(plane->state->fb); | |
2742 | } | |
2743 | ||
5724dbd1 | 2744 | static void |
f6936e29 DV |
2745 | intel_find_initial_plane_obj(struct intel_crtc *intel_crtc, |
2746 | struct intel_initial_plane_config *plane_config) | |
484b41dd JB |
2747 | { |
2748 | struct drm_device *dev = intel_crtc->base.dev; | |
fac5e23e | 2749 | struct drm_i915_private *dev_priv = to_i915(dev); |
484b41dd JB |
2750 | struct drm_crtc *c; |
2751 | struct intel_crtc *i; | |
2ff8fde1 | 2752 | struct drm_i915_gem_object *obj; |
88595ac9 | 2753 | struct drm_plane *primary = intel_crtc->base.primary; |
be5651f2 | 2754 | struct drm_plane_state *plane_state = primary->state; |
200757f5 MR |
2755 | struct drm_crtc_state *crtc_state = intel_crtc->base.state; |
2756 | struct intel_plane *intel_plane = to_intel_plane(primary); | |
0a8d8a86 MR |
2757 | struct intel_plane_state *intel_state = |
2758 | to_intel_plane_state(plane_state); | |
88595ac9 | 2759 | struct drm_framebuffer *fb; |
484b41dd | 2760 | |
2d14030b | 2761 | if (!plane_config->fb) |
484b41dd JB |
2762 | return; |
2763 | ||
f6936e29 | 2764 | if (intel_alloc_initial_plane_obj(intel_crtc, plane_config)) { |
88595ac9 DV |
2765 | fb = &plane_config->fb->base; |
2766 | goto valid_fb; | |
f55548b5 | 2767 | } |
484b41dd | 2768 | |
2d14030b | 2769 | kfree(plane_config->fb); |
484b41dd JB |
2770 | |
2771 | /* | |
2772 | * Failed to alloc the obj, check to see if we should share | |
2773 | * an fb with another CRTC instead | |
2774 | */ | |
70e1e0ec | 2775 | for_each_crtc(dev, c) { |
484b41dd JB |
2776 | i = to_intel_crtc(c); |
2777 | ||
2778 | if (c == &intel_crtc->base) | |
2779 | continue; | |
2780 | ||
2ff8fde1 MR |
2781 | if (!i->active) |
2782 | continue; | |
2783 | ||
88595ac9 DV |
2784 | fb = c->primary->fb; |
2785 | if (!fb) | |
484b41dd JB |
2786 | continue; |
2787 | ||
88595ac9 | 2788 | obj = intel_fb_obj(fb); |
058d88c4 | 2789 | if (i915_gem_object_ggtt_offset(obj, NULL) == plane_config->base) { |
88595ac9 DV |
2790 | drm_framebuffer_reference(fb); |
2791 | goto valid_fb; | |
484b41dd JB |
2792 | } |
2793 | } | |
88595ac9 | 2794 | |
200757f5 MR |
2795 | /* |
2796 | * We've failed to reconstruct the BIOS FB. Current display state | |
2797 | * indicates that the primary plane is visible, but has a NULL FB, | |
2798 | * which will lead to problems later if we don't fix it up. The | |
2799 | * simplest solution is to just disable the primary plane now and | |
2800 | * pretend the BIOS never had it enabled. | |
2801 | */ | |
936e71e3 | 2802 | to_intel_plane_state(plane_state)->base.visible = false; |
200757f5 | 2803 | crtc_state->plane_mask &= ~(1 << drm_plane_index(primary)); |
2622a081 | 2804 | intel_pre_disable_primary_noatomic(&intel_crtc->base); |
200757f5 MR |
2805 | intel_plane->disable_plane(primary, &intel_crtc->base); |
2806 | ||
88595ac9 DV |
2807 | return; |
2808 | ||
2809 | valid_fb: | |
f44e2659 VS |
2810 | plane_state->src_x = 0; |
2811 | plane_state->src_y = 0; | |
be5651f2 ML |
2812 | plane_state->src_w = fb->width << 16; |
2813 | plane_state->src_h = fb->height << 16; | |
2814 | ||
f44e2659 VS |
2815 | plane_state->crtc_x = 0; |
2816 | plane_state->crtc_y = 0; | |
be5651f2 ML |
2817 | plane_state->crtc_w = fb->width; |
2818 | plane_state->crtc_h = fb->height; | |
2819 | ||
936e71e3 VS |
2820 | intel_state->base.src.x1 = plane_state->src_x; |
2821 | intel_state->base.src.y1 = plane_state->src_y; | |
2822 | intel_state->base.src.x2 = plane_state->src_x + plane_state->src_w; | |
2823 | intel_state->base.src.y2 = plane_state->src_y + plane_state->src_h; | |
2824 | intel_state->base.dst.x1 = plane_state->crtc_x; | |
2825 | intel_state->base.dst.y1 = plane_state->crtc_y; | |
2826 | intel_state->base.dst.x2 = plane_state->crtc_x + plane_state->crtc_w; | |
2827 | intel_state->base.dst.y2 = plane_state->crtc_y + plane_state->crtc_h; | |
0a8d8a86 | 2828 | |
88595ac9 | 2829 | obj = intel_fb_obj(fb); |
3e510a8e | 2830 | if (i915_gem_object_is_tiled(obj)) |
88595ac9 DV |
2831 | dev_priv->preserve_bios_swizzle = true; |
2832 | ||
be5651f2 ML |
2833 | drm_framebuffer_reference(fb); |
2834 | primary->fb = primary->state->fb = fb; | |
36750f28 | 2835 | primary->crtc = primary->state->crtc = &intel_crtc->base; |
36750f28 | 2836 | intel_crtc->base.state->plane_mask |= (1 << drm_plane_index(primary)); |
faf5bf0a CW |
2837 | atomic_or(to_intel_plane(primary)->frontbuffer_bit, |
2838 | &obj->frontbuffer_bits); | |
46f297fb JB |
2839 | } |
2840 | ||
b63a16f6 VS |
2841 | static int skl_max_plane_width(const struct drm_framebuffer *fb, int plane, |
2842 | unsigned int rotation) | |
2843 | { | |
2844 | int cpp = drm_format_plane_cpp(fb->pixel_format, plane); | |
2845 | ||
2846 | switch (fb->modifier[plane]) { | |
2847 | case DRM_FORMAT_MOD_NONE: | |
2848 | case I915_FORMAT_MOD_X_TILED: | |
2849 | switch (cpp) { | |
2850 | case 8: | |
2851 | return 4096; | |
2852 | case 4: | |
2853 | case 2: | |
2854 | case 1: | |
2855 | return 8192; | |
2856 | default: | |
2857 | MISSING_CASE(cpp); | |
2858 | break; | |
2859 | } | |
2860 | break; | |
2861 | case I915_FORMAT_MOD_Y_TILED: | |
2862 | case I915_FORMAT_MOD_Yf_TILED: | |
2863 | switch (cpp) { | |
2864 | case 8: | |
2865 | return 2048; | |
2866 | case 4: | |
2867 | return 4096; | |
2868 | case 2: | |
2869 | case 1: | |
2870 | return 8192; | |
2871 | default: | |
2872 | MISSING_CASE(cpp); | |
2873 | break; | |
2874 | } | |
2875 | break; | |
2876 | default: | |
2877 | MISSING_CASE(fb->modifier[plane]); | |
2878 | } | |
2879 | ||
2880 | return 2048; | |
2881 | } | |
2882 | ||
2883 | static int skl_check_main_surface(struct intel_plane_state *plane_state) | |
2884 | { | |
2885 | const struct drm_i915_private *dev_priv = to_i915(plane_state->base.plane->dev); | |
2886 | const struct drm_framebuffer *fb = plane_state->base.fb; | |
2887 | unsigned int rotation = plane_state->base.rotation; | |
cc926387 DV |
2888 | int x = plane_state->base.src.x1 >> 16; |
2889 | int y = plane_state->base.src.y1 >> 16; | |
2890 | int w = drm_rect_width(&plane_state->base.src) >> 16; | |
2891 | int h = drm_rect_height(&plane_state->base.src) >> 16; | |
b63a16f6 VS |
2892 | int max_width = skl_max_plane_width(fb, 0, rotation); |
2893 | int max_height = 4096; | |
8d970654 | 2894 | u32 alignment, offset, aux_offset = plane_state->aux.offset; |
b63a16f6 VS |
2895 | |
2896 | if (w > max_width || h > max_height) { | |
2897 | DRM_DEBUG_KMS("requested Y/RGB source size %dx%d too big (limit %dx%d)\n", | |
2898 | w, h, max_width, max_height); | |
2899 | return -EINVAL; | |
2900 | } | |
2901 | ||
2902 | intel_add_fb_offsets(&x, &y, plane_state, 0); | |
2903 | offset = intel_compute_tile_offset(&x, &y, plane_state, 0); | |
2904 | ||
2905 | alignment = intel_surf_alignment(dev_priv, fb->modifier[0]); | |
2906 | ||
8d970654 VS |
2907 | /* |
2908 | * AUX surface offset is specified as the distance from the | |
2909 | * main surface offset, and it must be non-negative. Make | |
2910 | * sure that is what we will get. | |
2911 | */ | |
2912 | if (offset > aux_offset) | |
2913 | offset = intel_adjust_tile_offset(&x, &y, plane_state, 0, | |
2914 | offset, aux_offset & ~(alignment - 1)); | |
2915 | ||
b63a16f6 VS |
2916 | /* |
2917 | * When using an X-tiled surface, the plane blows up | |
2918 | * if the x offset + width exceed the stride. | |
2919 | * | |
2920 | * TODO: linear and Y-tiled seem fine, Yf untested, | |
2921 | */ | |
2922 | if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED) { | |
2923 | int cpp = drm_format_plane_cpp(fb->pixel_format, 0); | |
2924 | ||
2925 | while ((x + w) * cpp > fb->pitches[0]) { | |
2926 | if (offset == 0) { | |
2927 | DRM_DEBUG_KMS("Unable to find suitable display surface offset\n"); | |
2928 | return -EINVAL; | |
2929 | } | |
2930 | ||
2931 | offset = intel_adjust_tile_offset(&x, &y, plane_state, 0, | |
2932 | offset, offset - alignment); | |
2933 | } | |
2934 | } | |
2935 | ||
2936 | plane_state->main.offset = offset; | |
2937 | plane_state->main.x = x; | |
2938 | plane_state->main.y = y; | |
2939 | ||
2940 | return 0; | |
2941 | } | |
2942 | ||
8d970654 VS |
2943 | static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state) |
2944 | { | |
2945 | const struct drm_framebuffer *fb = plane_state->base.fb; | |
2946 | unsigned int rotation = plane_state->base.rotation; | |
2947 | int max_width = skl_max_plane_width(fb, 1, rotation); | |
2948 | int max_height = 4096; | |
cc926387 DV |
2949 | int x = plane_state->base.src.x1 >> 17; |
2950 | int y = plane_state->base.src.y1 >> 17; | |
2951 | int w = drm_rect_width(&plane_state->base.src) >> 17; | |
2952 | int h = drm_rect_height(&plane_state->base.src) >> 17; | |
8d970654 VS |
2953 | u32 offset; |
2954 | ||
2955 | intel_add_fb_offsets(&x, &y, plane_state, 1); | |
2956 | offset = intel_compute_tile_offset(&x, &y, plane_state, 1); | |
2957 | ||
2958 | /* FIXME not quite sure how/if these apply to the chroma plane */ | |
2959 | if (w > max_width || h > max_height) { | |
2960 | DRM_DEBUG_KMS("CbCr source size %dx%d too big (limit %dx%d)\n", | |
2961 | w, h, max_width, max_height); | |
2962 | return -EINVAL; | |
2963 | } | |
2964 | ||
2965 | plane_state->aux.offset = offset; | |
2966 | plane_state->aux.x = x; | |
2967 | plane_state->aux.y = y; | |
2968 | ||
2969 | return 0; | |
2970 | } | |
2971 | ||
b63a16f6 VS |
2972 | int skl_check_plane_surface(struct intel_plane_state *plane_state) |
2973 | { | |
2974 | const struct drm_framebuffer *fb = plane_state->base.fb; | |
2975 | unsigned int rotation = plane_state->base.rotation; | |
2976 | int ret; | |
2977 | ||
2978 | /* Rotate src coordinates to match rotated GTT view */ | |
2979 | if (intel_rotation_90_or_270(rotation)) | |
cc926387 DV |
2980 | drm_rect_rotate(&plane_state->base.src, |
2981 | fb->width, fb->height, DRM_ROTATE_270); | |
b63a16f6 | 2982 | |
8d970654 VS |
2983 | /* |
2984 | * Handle the AUX surface first since | |
2985 | * the main surface setup depends on it. | |
2986 | */ | |
2987 | if (fb->pixel_format == DRM_FORMAT_NV12) { | |
2988 | ret = skl_check_nv12_aux_surface(plane_state); | |
2989 | if (ret) | |
2990 | return ret; | |
2991 | } else { | |
2992 | plane_state->aux.offset = ~0xfff; | |
2993 | plane_state->aux.x = 0; | |
2994 | plane_state->aux.y = 0; | |
2995 | } | |
2996 | ||
b63a16f6 VS |
2997 | ret = skl_check_main_surface(plane_state); |
2998 | if (ret) | |
2999 | return ret; | |
3000 | ||
3001 | return 0; | |
3002 | } | |
3003 | ||
a8d201af ML |
3004 | static void i9xx_update_primary_plane(struct drm_plane *primary, |
3005 | const struct intel_crtc_state *crtc_state, | |
3006 | const struct intel_plane_state *plane_state) | |
81255565 | 3007 | { |
a8d201af | 3008 | struct drm_device *dev = primary->dev; |
fac5e23e | 3009 | struct drm_i915_private *dev_priv = to_i915(dev); |
a8d201af ML |
3010 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); |
3011 | struct drm_framebuffer *fb = plane_state->base.fb; | |
3012 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); | |
81255565 | 3013 | int plane = intel_crtc->plane; |
54ea9da8 | 3014 | u32 linear_offset; |
81255565 | 3015 | u32 dspcntr; |
f0f59a00 | 3016 | i915_reg_t reg = DSPCNTR(plane); |
8d0deca8 | 3017 | unsigned int rotation = plane_state->base.rotation; |
936e71e3 VS |
3018 | int x = plane_state->base.src.x1 >> 16; |
3019 | int y = plane_state->base.src.y1 >> 16; | |
c9ba6fad | 3020 | |
f45651ba VS |
3021 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
3022 | ||
fdd508a6 | 3023 | dspcntr |= DISPLAY_PLANE_ENABLE; |
f45651ba VS |
3024 | |
3025 | if (INTEL_INFO(dev)->gen < 4) { | |
3026 | if (intel_crtc->pipe == PIPE_B) | |
3027 | dspcntr |= DISPPLANE_SEL_PIPE_B; | |
3028 | ||
3029 | /* pipesrc and dspsize control the size that is scaled from, | |
3030 | * which should always be the user's requested size. | |
3031 | */ | |
3032 | I915_WRITE(DSPSIZE(plane), | |
a8d201af ML |
3033 | ((crtc_state->pipe_src_h - 1) << 16) | |
3034 | (crtc_state->pipe_src_w - 1)); | |
f45651ba | 3035 | I915_WRITE(DSPPOS(plane), 0); |
c14b0485 VS |
3036 | } else if (IS_CHERRYVIEW(dev) && plane == PLANE_B) { |
3037 | I915_WRITE(PRIMSIZE(plane), | |
a8d201af ML |
3038 | ((crtc_state->pipe_src_h - 1) << 16) | |
3039 | (crtc_state->pipe_src_w - 1)); | |
c14b0485 VS |
3040 | I915_WRITE(PRIMPOS(plane), 0); |
3041 | I915_WRITE(PRIMCNSTALPHA(plane), 0); | |
f45651ba | 3042 | } |
81255565 | 3043 | |
57779d06 VS |
3044 | switch (fb->pixel_format) { |
3045 | case DRM_FORMAT_C8: | |
81255565 JB |
3046 | dspcntr |= DISPPLANE_8BPP; |
3047 | break; | |
57779d06 | 3048 | case DRM_FORMAT_XRGB1555: |
57779d06 | 3049 | dspcntr |= DISPPLANE_BGRX555; |
81255565 | 3050 | break; |
57779d06 VS |
3051 | case DRM_FORMAT_RGB565: |
3052 | dspcntr |= DISPPLANE_BGRX565; | |
3053 | break; | |
3054 | case DRM_FORMAT_XRGB8888: | |
57779d06 VS |
3055 | dspcntr |= DISPPLANE_BGRX888; |
3056 | break; | |
3057 | case DRM_FORMAT_XBGR8888: | |
57779d06 VS |
3058 | dspcntr |= DISPPLANE_RGBX888; |
3059 | break; | |
3060 | case DRM_FORMAT_XRGB2101010: | |
57779d06 VS |
3061 | dspcntr |= DISPPLANE_BGRX101010; |
3062 | break; | |
3063 | case DRM_FORMAT_XBGR2101010: | |
57779d06 | 3064 | dspcntr |= DISPPLANE_RGBX101010; |
81255565 JB |
3065 | break; |
3066 | default: | |
baba133a | 3067 | BUG(); |
81255565 | 3068 | } |
57779d06 | 3069 | |
72618ebf VS |
3070 | if (INTEL_GEN(dev_priv) >= 4 && |
3071 | fb->modifier[0] == I915_FORMAT_MOD_X_TILED) | |
f45651ba | 3072 | dspcntr |= DISPPLANE_TILED; |
81255565 | 3073 | |
de1aa629 VS |
3074 | if (IS_G4X(dev)) |
3075 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; | |
3076 | ||
2949056c | 3077 | intel_add_fb_offsets(&x, &y, plane_state, 0); |
81255565 | 3078 | |
6687c906 | 3079 | if (INTEL_INFO(dev)->gen >= 4) |
c2c75131 | 3080 | intel_crtc->dspaddr_offset = |
2949056c | 3081 | intel_compute_tile_offset(&x, &y, plane_state, 0); |
e506a0c6 | 3082 | |
31ad61e4 | 3083 | if (rotation == DRM_ROTATE_180) { |
48404c1e SJ |
3084 | dspcntr |= DISPPLANE_ROTATE_180; |
3085 | ||
a8d201af ML |
3086 | x += (crtc_state->pipe_src_w - 1); |
3087 | y += (crtc_state->pipe_src_h - 1); | |
48404c1e SJ |
3088 | } |
3089 | ||
2949056c | 3090 | linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0); |
6687c906 VS |
3091 | |
3092 | if (INTEL_INFO(dev)->gen < 4) | |
3093 | intel_crtc->dspaddr_offset = linear_offset; | |
3094 | ||
2db3366b PZ |
3095 | intel_crtc->adjusted_x = x; |
3096 | intel_crtc->adjusted_y = y; | |
3097 | ||
48404c1e SJ |
3098 | I915_WRITE(reg, dspcntr); |
3099 | ||
01f2c773 | 3100 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
a6c45cf0 | 3101 | if (INTEL_INFO(dev)->gen >= 4) { |
85ba7b7d | 3102 | I915_WRITE(DSPSURF(plane), |
6687c906 VS |
3103 | intel_fb_gtt_offset(fb, rotation) + |
3104 | intel_crtc->dspaddr_offset); | |
5eddb70b | 3105 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); |
e506a0c6 | 3106 | I915_WRITE(DSPLINOFF(plane), linear_offset); |
5eddb70b | 3107 | } else |
058d88c4 | 3108 | I915_WRITE(DSPADDR(plane), i915_gem_object_ggtt_offset(obj, NULL) + linear_offset); |
5eddb70b | 3109 | POSTING_READ(reg); |
17638cd6 JB |
3110 | } |
3111 | ||
a8d201af ML |
3112 | static void i9xx_disable_primary_plane(struct drm_plane *primary, |
3113 | struct drm_crtc *crtc) | |
17638cd6 JB |
3114 | { |
3115 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 3116 | struct drm_i915_private *dev_priv = to_i915(dev); |
17638cd6 | 3117 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
17638cd6 | 3118 | int plane = intel_crtc->plane; |
f45651ba | 3119 | |
a8d201af ML |
3120 | I915_WRITE(DSPCNTR(plane), 0); |
3121 | if (INTEL_INFO(dev_priv)->gen >= 4) | |
fdd508a6 | 3122 | I915_WRITE(DSPSURF(plane), 0); |
a8d201af ML |
3123 | else |
3124 | I915_WRITE(DSPADDR(plane), 0); | |
3125 | POSTING_READ(DSPCNTR(plane)); | |
3126 | } | |
c9ba6fad | 3127 | |
a8d201af ML |
3128 | static void ironlake_update_primary_plane(struct drm_plane *primary, |
3129 | const struct intel_crtc_state *crtc_state, | |
3130 | const struct intel_plane_state *plane_state) | |
3131 | { | |
3132 | struct drm_device *dev = primary->dev; | |
fac5e23e | 3133 | struct drm_i915_private *dev_priv = to_i915(dev); |
a8d201af ML |
3134 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); |
3135 | struct drm_framebuffer *fb = plane_state->base.fb; | |
a8d201af | 3136 | int plane = intel_crtc->plane; |
54ea9da8 | 3137 | u32 linear_offset; |
a8d201af ML |
3138 | u32 dspcntr; |
3139 | i915_reg_t reg = DSPCNTR(plane); | |
8d0deca8 | 3140 | unsigned int rotation = plane_state->base.rotation; |
936e71e3 VS |
3141 | int x = plane_state->base.src.x1 >> 16; |
3142 | int y = plane_state->base.src.y1 >> 16; | |
c9ba6fad | 3143 | |
f45651ba | 3144 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
fdd508a6 | 3145 | dspcntr |= DISPLAY_PLANE_ENABLE; |
f45651ba VS |
3146 | |
3147 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) | |
3148 | dspcntr |= DISPPLANE_PIPE_CSC_ENABLE; | |
17638cd6 | 3149 | |
57779d06 VS |
3150 | switch (fb->pixel_format) { |
3151 | case DRM_FORMAT_C8: | |
17638cd6 JB |
3152 | dspcntr |= DISPPLANE_8BPP; |
3153 | break; | |
57779d06 VS |
3154 | case DRM_FORMAT_RGB565: |
3155 | dspcntr |= DISPPLANE_BGRX565; | |
17638cd6 | 3156 | break; |
57779d06 | 3157 | case DRM_FORMAT_XRGB8888: |
57779d06 VS |
3158 | dspcntr |= DISPPLANE_BGRX888; |
3159 | break; | |
3160 | case DRM_FORMAT_XBGR8888: | |
57779d06 VS |
3161 | dspcntr |= DISPPLANE_RGBX888; |
3162 | break; | |
3163 | case DRM_FORMAT_XRGB2101010: | |
57779d06 VS |
3164 | dspcntr |= DISPPLANE_BGRX101010; |
3165 | break; | |
3166 | case DRM_FORMAT_XBGR2101010: | |
57779d06 | 3167 | dspcntr |= DISPPLANE_RGBX101010; |
17638cd6 JB |
3168 | break; |
3169 | default: | |
baba133a | 3170 | BUG(); |
17638cd6 JB |
3171 | } |
3172 | ||
72618ebf | 3173 | if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED) |
17638cd6 | 3174 | dspcntr |= DISPPLANE_TILED; |
17638cd6 | 3175 | |
f45651ba | 3176 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) |
1f5d76db | 3177 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; |
17638cd6 | 3178 | |
2949056c | 3179 | intel_add_fb_offsets(&x, &y, plane_state, 0); |
6687c906 | 3180 | |
c2c75131 | 3181 | intel_crtc->dspaddr_offset = |
2949056c | 3182 | intel_compute_tile_offset(&x, &y, plane_state, 0); |
6687c906 | 3183 | |
31ad61e4 | 3184 | if (rotation == DRM_ROTATE_180) { |
48404c1e SJ |
3185 | dspcntr |= DISPPLANE_ROTATE_180; |
3186 | ||
3187 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) { | |
a8d201af ML |
3188 | x += (crtc_state->pipe_src_w - 1); |
3189 | y += (crtc_state->pipe_src_h - 1); | |
48404c1e SJ |
3190 | } |
3191 | } | |
3192 | ||
2949056c | 3193 | linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0); |
6687c906 | 3194 | |
2db3366b PZ |
3195 | intel_crtc->adjusted_x = x; |
3196 | intel_crtc->adjusted_y = y; | |
3197 | ||
48404c1e | 3198 | I915_WRITE(reg, dspcntr); |
17638cd6 | 3199 | |
01f2c773 | 3200 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
85ba7b7d | 3201 | I915_WRITE(DSPSURF(plane), |
6687c906 VS |
3202 | intel_fb_gtt_offset(fb, rotation) + |
3203 | intel_crtc->dspaddr_offset); | |
b3dc685e | 3204 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
bc1c91eb DL |
3205 | I915_WRITE(DSPOFFSET(plane), (y << 16) | x); |
3206 | } else { | |
3207 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); | |
3208 | I915_WRITE(DSPLINOFF(plane), linear_offset); | |
3209 | } | |
17638cd6 | 3210 | POSTING_READ(reg); |
17638cd6 JB |
3211 | } |
3212 | ||
7b49f948 VS |
3213 | u32 intel_fb_stride_alignment(const struct drm_i915_private *dev_priv, |
3214 | uint64_t fb_modifier, uint32_t pixel_format) | |
b321803d | 3215 | { |
7b49f948 | 3216 | if (fb_modifier == DRM_FORMAT_MOD_NONE) { |
b321803d | 3217 | return 64; |
7b49f948 VS |
3218 | } else { |
3219 | int cpp = drm_format_plane_cpp(pixel_format, 0); | |
3220 | ||
27ba3910 | 3221 | return intel_tile_width_bytes(dev_priv, fb_modifier, cpp); |
b321803d DL |
3222 | } |
3223 | } | |
3224 | ||
6687c906 VS |
3225 | u32 intel_fb_gtt_offset(struct drm_framebuffer *fb, |
3226 | unsigned int rotation) | |
121920fa | 3227 | { |
6687c906 | 3228 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
ce7f1728 | 3229 | struct i915_ggtt_view view; |
058d88c4 | 3230 | struct i915_vma *vma; |
121920fa | 3231 | |
6687c906 | 3232 | intel_fill_fb_ggtt_view(&view, fb, rotation); |
dedf278c | 3233 | |
058d88c4 CW |
3234 | vma = i915_gem_object_to_ggtt(obj, &view); |
3235 | if (WARN(!vma, "ggtt vma for display object not found! (view=%u)\n", | |
3236 | view.type)) | |
3237 | return -1; | |
3238 | ||
bde13ebd | 3239 | return i915_ggtt_offset(vma); |
121920fa TU |
3240 | } |
3241 | ||
e435d6e5 ML |
3242 | static void skl_detach_scaler(struct intel_crtc *intel_crtc, int id) |
3243 | { | |
3244 | struct drm_device *dev = intel_crtc->base.dev; | |
fac5e23e | 3245 | struct drm_i915_private *dev_priv = to_i915(dev); |
e435d6e5 ML |
3246 | |
3247 | I915_WRITE(SKL_PS_CTRL(intel_crtc->pipe, id), 0); | |
3248 | I915_WRITE(SKL_PS_WIN_POS(intel_crtc->pipe, id), 0); | |
3249 | I915_WRITE(SKL_PS_WIN_SZ(intel_crtc->pipe, id), 0); | |
e435d6e5 ML |
3250 | } |
3251 | ||
a1b2278e CK |
3252 | /* |
3253 | * This function detaches (aka. unbinds) unused scalers in hardware | |
3254 | */ | |
0583236e | 3255 | static void skl_detach_scalers(struct intel_crtc *intel_crtc) |
a1b2278e | 3256 | { |
a1b2278e CK |
3257 | struct intel_crtc_scaler_state *scaler_state; |
3258 | int i; | |
3259 | ||
a1b2278e CK |
3260 | scaler_state = &intel_crtc->config->scaler_state; |
3261 | ||
3262 | /* loop through and disable scalers that aren't in use */ | |
3263 | for (i = 0; i < intel_crtc->num_scalers; i++) { | |
e435d6e5 ML |
3264 | if (!scaler_state->scalers[i].in_use) |
3265 | skl_detach_scaler(intel_crtc, i); | |
a1b2278e CK |
3266 | } |
3267 | } | |
3268 | ||
d2196774 VS |
3269 | u32 skl_plane_stride(const struct drm_framebuffer *fb, int plane, |
3270 | unsigned int rotation) | |
3271 | { | |
3272 | const struct drm_i915_private *dev_priv = to_i915(fb->dev); | |
3273 | u32 stride = intel_fb_pitch(fb, plane, rotation); | |
3274 | ||
3275 | /* | |
3276 | * The stride is either expressed as a multiple of 64 bytes chunks for | |
3277 | * linear buffers or in number of tiles for tiled buffers. | |
3278 | */ | |
3279 | if (intel_rotation_90_or_270(rotation)) { | |
3280 | int cpp = drm_format_plane_cpp(fb->pixel_format, plane); | |
3281 | ||
3282 | stride /= intel_tile_height(dev_priv, fb->modifier[0], cpp); | |
3283 | } else { | |
3284 | stride /= intel_fb_stride_alignment(dev_priv, fb->modifier[0], | |
3285 | fb->pixel_format); | |
3286 | } | |
3287 | ||
3288 | return stride; | |
3289 | } | |
3290 | ||
6156a456 | 3291 | u32 skl_plane_ctl_format(uint32_t pixel_format) |
70d21f0e | 3292 | { |
6156a456 | 3293 | switch (pixel_format) { |
d161cf7a | 3294 | case DRM_FORMAT_C8: |
c34ce3d1 | 3295 | return PLANE_CTL_FORMAT_INDEXED; |
70d21f0e | 3296 | case DRM_FORMAT_RGB565: |
c34ce3d1 | 3297 | return PLANE_CTL_FORMAT_RGB_565; |
70d21f0e | 3298 | case DRM_FORMAT_XBGR8888: |
c34ce3d1 | 3299 | return PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX; |
6156a456 | 3300 | case DRM_FORMAT_XRGB8888: |
c34ce3d1 | 3301 | return PLANE_CTL_FORMAT_XRGB_8888; |
6156a456 CK |
3302 | /* |
3303 | * XXX: For ARBG/ABGR formats we default to expecting scanout buffers | |
3304 | * to be already pre-multiplied. We need to add a knob (or a different | |
3305 | * DRM_FORMAT) for user-space to configure that. | |
3306 | */ | |
f75fb42a | 3307 | case DRM_FORMAT_ABGR8888: |
c34ce3d1 | 3308 | return PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX | |
6156a456 | 3309 | PLANE_CTL_ALPHA_SW_PREMULTIPLY; |
6156a456 | 3310 | case DRM_FORMAT_ARGB8888: |
c34ce3d1 | 3311 | return PLANE_CTL_FORMAT_XRGB_8888 | |
6156a456 | 3312 | PLANE_CTL_ALPHA_SW_PREMULTIPLY; |
70d21f0e | 3313 | case DRM_FORMAT_XRGB2101010: |
c34ce3d1 | 3314 | return PLANE_CTL_FORMAT_XRGB_2101010; |
70d21f0e | 3315 | case DRM_FORMAT_XBGR2101010: |
c34ce3d1 | 3316 | return PLANE_CTL_ORDER_RGBX | PLANE_CTL_FORMAT_XRGB_2101010; |
6156a456 | 3317 | case DRM_FORMAT_YUYV: |
c34ce3d1 | 3318 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YUYV; |
6156a456 | 3319 | case DRM_FORMAT_YVYU: |
c34ce3d1 | 3320 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YVYU; |
6156a456 | 3321 | case DRM_FORMAT_UYVY: |
c34ce3d1 | 3322 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_UYVY; |
6156a456 | 3323 | case DRM_FORMAT_VYUY: |
c34ce3d1 | 3324 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_VYUY; |
70d21f0e | 3325 | default: |
4249eeef | 3326 | MISSING_CASE(pixel_format); |
70d21f0e | 3327 | } |
8cfcba41 | 3328 | |
c34ce3d1 | 3329 | return 0; |
6156a456 | 3330 | } |
70d21f0e | 3331 | |
6156a456 CK |
3332 | u32 skl_plane_ctl_tiling(uint64_t fb_modifier) |
3333 | { | |
6156a456 | 3334 | switch (fb_modifier) { |
30af77c4 | 3335 | case DRM_FORMAT_MOD_NONE: |
70d21f0e | 3336 | break; |
30af77c4 | 3337 | case I915_FORMAT_MOD_X_TILED: |
c34ce3d1 | 3338 | return PLANE_CTL_TILED_X; |
b321803d | 3339 | case I915_FORMAT_MOD_Y_TILED: |
c34ce3d1 | 3340 | return PLANE_CTL_TILED_Y; |
b321803d | 3341 | case I915_FORMAT_MOD_Yf_TILED: |
c34ce3d1 | 3342 | return PLANE_CTL_TILED_YF; |
70d21f0e | 3343 | default: |
6156a456 | 3344 | MISSING_CASE(fb_modifier); |
70d21f0e | 3345 | } |
8cfcba41 | 3346 | |
c34ce3d1 | 3347 | return 0; |
6156a456 | 3348 | } |
70d21f0e | 3349 | |
6156a456 CK |
3350 | u32 skl_plane_ctl_rotation(unsigned int rotation) |
3351 | { | |
3b7a5119 | 3352 | switch (rotation) { |
31ad61e4 | 3353 | case DRM_ROTATE_0: |
6156a456 | 3354 | break; |
1e8df167 SJ |
3355 | /* |
3356 | * DRM_ROTATE_ is counter clockwise to stay compatible with Xrandr | |
3357 | * while i915 HW rotation is clockwise, thats why this swapping. | |
3358 | */ | |
31ad61e4 | 3359 | case DRM_ROTATE_90: |
1e8df167 | 3360 | return PLANE_CTL_ROTATE_270; |
31ad61e4 | 3361 | case DRM_ROTATE_180: |
c34ce3d1 | 3362 | return PLANE_CTL_ROTATE_180; |
31ad61e4 | 3363 | case DRM_ROTATE_270: |
1e8df167 | 3364 | return PLANE_CTL_ROTATE_90; |
6156a456 CK |
3365 | default: |
3366 | MISSING_CASE(rotation); | |
3367 | } | |
3368 | ||
c34ce3d1 | 3369 | return 0; |
6156a456 CK |
3370 | } |
3371 | ||
a8d201af ML |
3372 | static void skylake_update_primary_plane(struct drm_plane *plane, |
3373 | const struct intel_crtc_state *crtc_state, | |
3374 | const struct intel_plane_state *plane_state) | |
6156a456 | 3375 | { |
a8d201af | 3376 | struct drm_device *dev = plane->dev; |
fac5e23e | 3377 | struct drm_i915_private *dev_priv = to_i915(dev); |
a8d201af ML |
3378 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); |
3379 | struct drm_framebuffer *fb = plane_state->base.fb; | |
62e0fb88 | 3380 | const struct skl_wm_values *wm = &dev_priv->wm.skl_results; |
6156a456 | 3381 | int pipe = intel_crtc->pipe; |
d2196774 | 3382 | u32 plane_ctl; |
a8d201af | 3383 | unsigned int rotation = plane_state->base.rotation; |
d2196774 | 3384 | u32 stride = skl_plane_stride(fb, 0, rotation); |
b63a16f6 | 3385 | u32 surf_addr = plane_state->main.offset; |
a8d201af | 3386 | int scaler_id = plane_state->scaler_id; |
b63a16f6 VS |
3387 | int src_x = plane_state->main.x; |
3388 | int src_y = plane_state->main.y; | |
936e71e3 VS |
3389 | int src_w = drm_rect_width(&plane_state->base.src) >> 16; |
3390 | int src_h = drm_rect_height(&plane_state->base.src) >> 16; | |
3391 | int dst_x = plane_state->base.dst.x1; | |
3392 | int dst_y = plane_state->base.dst.y1; | |
3393 | int dst_w = drm_rect_width(&plane_state->base.dst); | |
3394 | int dst_h = drm_rect_height(&plane_state->base.dst); | |
70d21f0e | 3395 | |
6156a456 CK |
3396 | plane_ctl = PLANE_CTL_ENABLE | |
3397 | PLANE_CTL_PIPE_GAMMA_ENABLE | | |
3398 | PLANE_CTL_PIPE_CSC_ENABLE; | |
3399 | ||
3400 | plane_ctl |= skl_plane_ctl_format(fb->pixel_format); | |
3401 | plane_ctl |= skl_plane_ctl_tiling(fb->modifier[0]); | |
3402 | plane_ctl |= PLANE_CTL_PLANE_GAMMA_DISABLE; | |
6156a456 CK |
3403 | plane_ctl |= skl_plane_ctl_rotation(rotation); |
3404 | ||
6687c906 VS |
3405 | /* Sizes are 0 based */ |
3406 | src_w--; | |
3407 | src_h--; | |
3408 | dst_w--; | |
3409 | dst_h--; | |
3410 | ||
3411 | intel_crtc->adjusted_x = src_x; | |
3412 | intel_crtc->adjusted_y = src_y; | |
2db3366b | 3413 | |
62e0fb88 L |
3414 | if (wm->dirty_pipes & drm_crtc_mask(&intel_crtc->base)) |
3415 | skl_write_plane_wm(intel_crtc, wm, 0); | |
3416 | ||
70d21f0e | 3417 | I915_WRITE(PLANE_CTL(pipe, 0), plane_ctl); |
6687c906 | 3418 | I915_WRITE(PLANE_OFFSET(pipe, 0), (src_y << 16) | src_x); |
ef78ec94 | 3419 | I915_WRITE(PLANE_STRIDE(pipe, 0), stride); |
6687c906 | 3420 | I915_WRITE(PLANE_SIZE(pipe, 0), (src_h << 16) | src_w); |
6156a456 CK |
3421 | |
3422 | if (scaler_id >= 0) { | |
3423 | uint32_t ps_ctrl = 0; | |
3424 | ||
3425 | WARN_ON(!dst_w || !dst_h); | |
3426 | ps_ctrl = PS_SCALER_EN | PS_PLANE_SEL(0) | | |
3427 | crtc_state->scaler_state.scalers[scaler_id].mode; | |
3428 | I915_WRITE(SKL_PS_CTRL(pipe, scaler_id), ps_ctrl); | |
3429 | I915_WRITE(SKL_PS_PWR_GATE(pipe, scaler_id), 0); | |
3430 | I915_WRITE(SKL_PS_WIN_POS(pipe, scaler_id), (dst_x << 16) | dst_y); | |
3431 | I915_WRITE(SKL_PS_WIN_SZ(pipe, scaler_id), (dst_w << 16) | dst_h); | |
3432 | I915_WRITE(PLANE_POS(pipe, 0), 0); | |
3433 | } else { | |
3434 | I915_WRITE(PLANE_POS(pipe, 0), (dst_y << 16) | dst_x); | |
3435 | } | |
3436 | ||
6687c906 VS |
3437 | I915_WRITE(PLANE_SURF(pipe, 0), |
3438 | intel_fb_gtt_offset(fb, rotation) + surf_addr); | |
70d21f0e DL |
3439 | |
3440 | POSTING_READ(PLANE_SURF(pipe, 0)); | |
3441 | } | |
3442 | ||
a8d201af ML |
3443 | static void skylake_disable_primary_plane(struct drm_plane *primary, |
3444 | struct drm_crtc *crtc) | |
17638cd6 JB |
3445 | { |
3446 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 3447 | struct drm_i915_private *dev_priv = to_i915(dev); |
62e0fb88 L |
3448 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3449 | int pipe = intel_crtc->pipe; | |
3450 | ||
ccebc23b L |
3451 | /* |
3452 | * We only populate skl_results on watermark updates, and if the | |
3453 | * plane's visiblity isn't actually changing neither is its watermarks. | |
3454 | */ | |
3455 | if (!crtc->primary->state->visible) | |
3456 | skl_write_plane_wm(intel_crtc, &dev_priv->wm.skl_results, 0); | |
17638cd6 | 3457 | |
a8d201af ML |
3458 | I915_WRITE(PLANE_CTL(pipe, 0), 0); |
3459 | I915_WRITE(PLANE_SURF(pipe, 0), 0); | |
3460 | POSTING_READ(PLANE_SURF(pipe, 0)); | |
3461 | } | |
29b9bde6 | 3462 | |
a8d201af ML |
3463 | /* Assume fb object is pinned & idle & fenced and just update base pointers */ |
3464 | static int | |
3465 | intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, | |
3466 | int x, int y, enum mode_set_atomic state) | |
3467 | { | |
3468 | /* Support for kgdboc is disabled, this needs a major rework. */ | |
3469 | DRM_ERROR("legacy panic handler not supported any more.\n"); | |
3470 | ||
3471 | return -ENODEV; | |
81255565 JB |
3472 | } |
3473 | ||
5a21b665 DV |
3474 | static void intel_complete_page_flips(struct drm_i915_private *dev_priv) |
3475 | { | |
3476 | struct intel_crtc *crtc; | |
3477 | ||
91c8a326 | 3478 | for_each_intel_crtc(&dev_priv->drm, crtc) |
5a21b665 DV |
3479 | intel_finish_page_flip_cs(dev_priv, crtc->pipe); |
3480 | } | |
3481 | ||
7514747d VS |
3482 | static void intel_update_primary_planes(struct drm_device *dev) |
3483 | { | |
7514747d | 3484 | struct drm_crtc *crtc; |
96a02917 | 3485 | |
70e1e0ec | 3486 | for_each_crtc(dev, crtc) { |
11c22da6 | 3487 | struct intel_plane *plane = to_intel_plane(crtc->primary); |
73974893 ML |
3488 | struct intel_plane_state *plane_state = |
3489 | to_intel_plane_state(plane->base.state); | |
11c22da6 | 3490 | |
936e71e3 | 3491 | if (plane_state->base.visible) |
a8d201af ML |
3492 | plane->update_plane(&plane->base, |
3493 | to_intel_crtc_state(crtc->state), | |
3494 | plane_state); | |
73974893 ML |
3495 | } |
3496 | } | |
3497 | ||
3498 | static int | |
3499 | __intel_display_resume(struct drm_device *dev, | |
3500 | struct drm_atomic_state *state) | |
3501 | { | |
3502 | struct drm_crtc_state *crtc_state; | |
3503 | struct drm_crtc *crtc; | |
3504 | int i, ret; | |
11c22da6 | 3505 | |
73974893 ML |
3506 | intel_modeset_setup_hw_state(dev); |
3507 | i915_redisable_vga(dev); | |
3508 | ||
3509 | if (!state) | |
3510 | return 0; | |
3511 | ||
3512 | for_each_crtc_in_state(state, crtc, crtc_state, i) { | |
3513 | /* | |
3514 | * Force recalculation even if we restore | |
3515 | * current state. With fast modeset this may not result | |
3516 | * in a modeset when the state is compatible. | |
3517 | */ | |
3518 | crtc_state->mode_changed = true; | |
96a02917 | 3519 | } |
73974893 ML |
3520 | |
3521 | /* ignore any reset values/BIOS leftovers in the WM registers */ | |
3522 | to_intel_atomic_state(state)->skip_intermediate_wm = true; | |
3523 | ||
3524 | ret = drm_atomic_commit(state); | |
3525 | ||
3526 | WARN_ON(ret == -EDEADLK); | |
3527 | return ret; | |
96a02917 VS |
3528 | } |
3529 | ||
4ac2ba2f VS |
3530 | static bool gpu_reset_clobbers_display(struct drm_i915_private *dev_priv) |
3531 | { | |
ae98104b VS |
3532 | return intel_has_gpu_reset(dev_priv) && |
3533 | INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv); | |
4ac2ba2f VS |
3534 | } |
3535 | ||
c033666a | 3536 | void intel_prepare_reset(struct drm_i915_private *dev_priv) |
7514747d | 3537 | { |
73974893 ML |
3538 | struct drm_device *dev = &dev_priv->drm; |
3539 | struct drm_modeset_acquire_ctx *ctx = &dev_priv->reset_ctx; | |
3540 | struct drm_atomic_state *state; | |
3541 | int ret; | |
3542 | ||
73974893 ML |
3543 | /* |
3544 | * Need mode_config.mutex so that we don't | |
3545 | * trample ongoing ->detect() and whatnot. | |
3546 | */ | |
3547 | mutex_lock(&dev->mode_config.mutex); | |
3548 | drm_modeset_acquire_init(ctx, 0); | |
3549 | while (1) { | |
3550 | ret = drm_modeset_lock_all_ctx(dev, ctx); | |
3551 | if (ret != -EDEADLK) | |
3552 | break; | |
3553 | ||
3554 | drm_modeset_backoff(ctx); | |
3555 | } | |
3556 | ||
3557 | /* reset doesn't touch the display, but flips might get nuked anyway, */ | |
522a63de | 3558 | if (!i915.force_reset_modeset_test && |
4ac2ba2f | 3559 | !gpu_reset_clobbers_display(dev_priv)) |
7514747d VS |
3560 | return; |
3561 | ||
f98ce92f VS |
3562 | /* |
3563 | * Disabling the crtcs gracefully seems nicer. Also the | |
3564 | * g33 docs say we should at least disable all the planes. | |
3565 | */ | |
73974893 ML |
3566 | state = drm_atomic_helper_duplicate_state(dev, ctx); |
3567 | if (IS_ERR(state)) { | |
3568 | ret = PTR_ERR(state); | |
3569 | state = NULL; | |
3570 | DRM_ERROR("Duplicating state failed with %i\n", ret); | |
3571 | goto err; | |
3572 | } | |
3573 | ||
3574 | ret = drm_atomic_helper_disable_all(dev, ctx); | |
3575 | if (ret) { | |
3576 | DRM_ERROR("Suspending crtc's failed with %i\n", ret); | |
3577 | goto err; | |
3578 | } | |
3579 | ||
3580 | dev_priv->modeset_restore_state = state; | |
3581 | state->acquire_ctx = ctx; | |
3582 | return; | |
3583 | ||
3584 | err: | |
3585 | drm_atomic_state_free(state); | |
7514747d VS |
3586 | } |
3587 | ||
c033666a | 3588 | void intel_finish_reset(struct drm_i915_private *dev_priv) |
7514747d | 3589 | { |
73974893 ML |
3590 | struct drm_device *dev = &dev_priv->drm; |
3591 | struct drm_modeset_acquire_ctx *ctx = &dev_priv->reset_ctx; | |
3592 | struct drm_atomic_state *state = dev_priv->modeset_restore_state; | |
3593 | int ret; | |
3594 | ||
5a21b665 DV |
3595 | /* |
3596 | * Flips in the rings will be nuked by the reset, | |
3597 | * so complete all pending flips so that user space | |
3598 | * will get its events and not get stuck. | |
3599 | */ | |
3600 | intel_complete_page_flips(dev_priv); | |
3601 | ||
73974893 ML |
3602 | dev_priv->modeset_restore_state = NULL; |
3603 | ||
7514747d | 3604 | /* reset doesn't touch the display */ |
4ac2ba2f | 3605 | if (!gpu_reset_clobbers_display(dev_priv)) { |
522a63de ML |
3606 | if (!state) { |
3607 | /* | |
3608 | * Flips in the rings have been nuked by the reset, | |
3609 | * so update the base address of all primary | |
3610 | * planes to the the last fb to make sure we're | |
3611 | * showing the correct fb after a reset. | |
3612 | * | |
3613 | * FIXME: Atomic will make this obsolete since we won't schedule | |
3614 | * CS-based flips (which might get lost in gpu resets) any more. | |
3615 | */ | |
3616 | intel_update_primary_planes(dev); | |
3617 | } else { | |
3618 | ret = __intel_display_resume(dev, state); | |
3619 | if (ret) | |
3620 | DRM_ERROR("Restoring old state failed with %i\n", ret); | |
3621 | } | |
73974893 ML |
3622 | } else { |
3623 | /* | |
3624 | * The display has been reset as well, | |
3625 | * so need a full re-initialization. | |
3626 | */ | |
3627 | intel_runtime_pm_disable_interrupts(dev_priv); | |
3628 | intel_runtime_pm_enable_interrupts(dev_priv); | |
7514747d | 3629 | |
51f59205 | 3630 | intel_pps_unlock_regs_wa(dev_priv); |
73974893 | 3631 | intel_modeset_init_hw(dev); |
7514747d | 3632 | |
73974893 ML |
3633 | spin_lock_irq(&dev_priv->irq_lock); |
3634 | if (dev_priv->display.hpd_irq_setup) | |
3635 | dev_priv->display.hpd_irq_setup(dev_priv); | |
3636 | spin_unlock_irq(&dev_priv->irq_lock); | |
7514747d | 3637 | |
73974893 ML |
3638 | ret = __intel_display_resume(dev, state); |
3639 | if (ret) | |
3640 | DRM_ERROR("Restoring old state failed with %i\n", ret); | |
7514747d | 3641 | |
73974893 ML |
3642 | intel_hpd_init(dev_priv); |
3643 | } | |
7514747d | 3644 | |
73974893 ML |
3645 | drm_modeset_drop_locks(ctx); |
3646 | drm_modeset_acquire_fini(ctx); | |
3647 | mutex_unlock(&dev->mode_config.mutex); | |
7514747d VS |
3648 | } |
3649 | ||
8af29b0c CW |
3650 | static bool abort_flip_on_reset(struct intel_crtc *crtc) |
3651 | { | |
3652 | struct i915_gpu_error *error = &to_i915(crtc->base.dev)->gpu_error; | |
3653 | ||
3654 | if (i915_reset_in_progress(error)) | |
3655 | return true; | |
3656 | ||
3657 | if (crtc->reset_count != i915_reset_count(error)) | |
3658 | return true; | |
3659 | ||
3660 | return false; | |
3661 | } | |
3662 | ||
7d5e3799 CW |
3663 | static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) |
3664 | { | |
5a21b665 DV |
3665 | struct drm_device *dev = crtc->dev; |
3666 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
5a21b665 DV |
3667 | bool pending; |
3668 | ||
8af29b0c | 3669 | if (abort_flip_on_reset(intel_crtc)) |
5a21b665 DV |
3670 | return false; |
3671 | ||
3672 | spin_lock_irq(&dev->event_lock); | |
3673 | pending = to_intel_crtc(crtc)->flip_work != NULL; | |
3674 | spin_unlock_irq(&dev->event_lock); | |
3675 | ||
3676 | return pending; | |
7d5e3799 CW |
3677 | } |
3678 | ||
bfd16b2a ML |
3679 | static void intel_update_pipe_config(struct intel_crtc *crtc, |
3680 | struct intel_crtc_state *old_crtc_state) | |
e30e8f75 GP |
3681 | { |
3682 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 3683 | struct drm_i915_private *dev_priv = to_i915(dev); |
bfd16b2a ML |
3684 | struct intel_crtc_state *pipe_config = |
3685 | to_intel_crtc_state(crtc->base.state); | |
e30e8f75 | 3686 | |
bfd16b2a ML |
3687 | /* drm_atomic_helper_update_legacy_modeset_state might not be called. */ |
3688 | crtc->base.mode = crtc->base.state->mode; | |
3689 | ||
3690 | DRM_DEBUG_KMS("Updating pipe size %ix%i -> %ix%i\n", | |
3691 | old_crtc_state->pipe_src_w, old_crtc_state->pipe_src_h, | |
3692 | pipe_config->pipe_src_w, pipe_config->pipe_src_h); | |
e30e8f75 GP |
3693 | |
3694 | /* | |
3695 | * Update pipe size and adjust fitter if needed: the reason for this is | |
3696 | * that in compute_mode_changes we check the native mode (not the pfit | |
3697 | * mode) to see if we can flip rather than do a full mode set. In the | |
3698 | * fastboot case, we'll flip, but if we don't update the pipesrc and | |
3699 | * pfit state, we'll end up with a big fb scanned out into the wrong | |
3700 | * sized surface. | |
e30e8f75 GP |
3701 | */ |
3702 | ||
e30e8f75 | 3703 | I915_WRITE(PIPESRC(crtc->pipe), |
bfd16b2a ML |
3704 | ((pipe_config->pipe_src_w - 1) << 16) | |
3705 | (pipe_config->pipe_src_h - 1)); | |
3706 | ||
3707 | /* on skylake this is done by detaching scalers */ | |
3708 | if (INTEL_INFO(dev)->gen >= 9) { | |
3709 | skl_detach_scalers(crtc); | |
3710 | ||
3711 | if (pipe_config->pch_pfit.enabled) | |
3712 | skylake_pfit_enable(crtc); | |
3713 | } else if (HAS_PCH_SPLIT(dev)) { | |
3714 | if (pipe_config->pch_pfit.enabled) | |
3715 | ironlake_pfit_enable(crtc); | |
3716 | else if (old_crtc_state->pch_pfit.enabled) | |
3717 | ironlake_pfit_disable(crtc, true); | |
e30e8f75 | 3718 | } |
e30e8f75 GP |
3719 | } |
3720 | ||
5e84e1a4 ZW |
3721 | static void intel_fdi_normal_train(struct drm_crtc *crtc) |
3722 | { | |
3723 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 3724 | struct drm_i915_private *dev_priv = to_i915(dev); |
5e84e1a4 ZW |
3725 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3726 | int pipe = intel_crtc->pipe; | |
f0f59a00 VS |
3727 | i915_reg_t reg; |
3728 | u32 temp; | |
5e84e1a4 ZW |
3729 | |
3730 | /* enable normal train */ | |
3731 | reg = FDI_TX_CTL(pipe); | |
3732 | temp = I915_READ(reg); | |
61e499bf | 3733 | if (IS_IVYBRIDGE(dev)) { |
357555c0 JB |
3734 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
3735 | temp |= FDI_LINK_TRAIN_NONE_IVB | FDI_TX_ENHANCE_FRAME_ENABLE; | |
61e499bf KP |
3736 | } else { |
3737 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3738 | temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE; | |
357555c0 | 3739 | } |
5e84e1a4 ZW |
3740 | I915_WRITE(reg, temp); |
3741 | ||
3742 | reg = FDI_RX_CTL(pipe); | |
3743 | temp = I915_READ(reg); | |
3744 | if (HAS_PCH_CPT(dev)) { | |
3745 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3746 | temp |= FDI_LINK_TRAIN_NORMAL_CPT; | |
3747 | } else { | |
3748 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3749 | temp |= FDI_LINK_TRAIN_NONE; | |
3750 | } | |
3751 | I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE); | |
3752 | ||
3753 | /* wait one idle pattern time */ | |
3754 | POSTING_READ(reg); | |
3755 | udelay(1000); | |
357555c0 JB |
3756 | |
3757 | /* IVB wants error correction enabled */ | |
3758 | if (IS_IVYBRIDGE(dev)) | |
3759 | I915_WRITE(reg, I915_READ(reg) | FDI_FS_ERRC_ENABLE | | |
3760 | FDI_FE_ERRC_ENABLE); | |
5e84e1a4 ZW |
3761 | } |
3762 | ||
8db9d77b ZW |
3763 | /* The FDI link training functions for ILK/Ibexpeak. */ |
3764 | static void ironlake_fdi_link_train(struct drm_crtc *crtc) | |
3765 | { | |
3766 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 3767 | struct drm_i915_private *dev_priv = to_i915(dev); |
8db9d77b ZW |
3768 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3769 | int pipe = intel_crtc->pipe; | |
f0f59a00 VS |
3770 | i915_reg_t reg; |
3771 | u32 temp, tries; | |
8db9d77b | 3772 | |
1c8562f6 | 3773 | /* FDI needs bits from pipe first */ |
0fc932b8 | 3774 | assert_pipe_enabled(dev_priv, pipe); |
0fc932b8 | 3775 | |
e1a44743 AJ |
3776 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3777 | for train result */ | |
5eddb70b CW |
3778 | reg = FDI_RX_IMR(pipe); |
3779 | temp = I915_READ(reg); | |
e1a44743 AJ |
3780 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3781 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
3782 | I915_WRITE(reg, temp); |
3783 | I915_READ(reg); | |
e1a44743 AJ |
3784 | udelay(150); |
3785 | ||
8db9d77b | 3786 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
3787 | reg = FDI_TX_CTL(pipe); |
3788 | temp = I915_READ(reg); | |
627eb5a3 | 3789 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3790 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
8db9d77b ZW |
3791 | temp &= ~FDI_LINK_TRAIN_NONE; |
3792 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b | 3793 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 3794 | |
5eddb70b CW |
3795 | reg = FDI_RX_CTL(pipe); |
3796 | temp = I915_READ(reg); | |
8db9d77b ZW |
3797 | temp &= ~FDI_LINK_TRAIN_NONE; |
3798 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b CW |
3799 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3800 | ||
3801 | POSTING_READ(reg); | |
8db9d77b ZW |
3802 | udelay(150); |
3803 | ||
5b2adf89 | 3804 | /* Ironlake workaround, enable clock pointer after FDI enable*/ |
8f5718a6 DV |
3805 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
3806 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR | | |
3807 | FDI_RX_PHASE_SYNC_POINTER_EN); | |
5b2adf89 | 3808 | |
5eddb70b | 3809 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 3810 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 3811 | temp = I915_READ(reg); |
8db9d77b ZW |
3812 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3813 | ||
3814 | if ((temp & FDI_RX_BIT_LOCK)) { | |
3815 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
5eddb70b | 3816 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
8db9d77b ZW |
3817 | break; |
3818 | } | |
8db9d77b | 3819 | } |
e1a44743 | 3820 | if (tries == 5) |
5eddb70b | 3821 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
3822 | |
3823 | /* Train 2 */ | |
5eddb70b CW |
3824 | reg = FDI_TX_CTL(pipe); |
3825 | temp = I915_READ(reg); | |
8db9d77b ZW |
3826 | temp &= ~FDI_LINK_TRAIN_NONE; |
3827 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 3828 | I915_WRITE(reg, temp); |
8db9d77b | 3829 | |
5eddb70b CW |
3830 | reg = FDI_RX_CTL(pipe); |
3831 | temp = I915_READ(reg); | |
8db9d77b ZW |
3832 | temp &= ~FDI_LINK_TRAIN_NONE; |
3833 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 3834 | I915_WRITE(reg, temp); |
8db9d77b | 3835 | |
5eddb70b CW |
3836 | POSTING_READ(reg); |
3837 | udelay(150); | |
8db9d77b | 3838 | |
5eddb70b | 3839 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 3840 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 3841 | temp = I915_READ(reg); |
8db9d77b ZW |
3842 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3843 | ||
3844 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
5eddb70b | 3845 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
8db9d77b ZW |
3846 | DRM_DEBUG_KMS("FDI train 2 done.\n"); |
3847 | break; | |
3848 | } | |
8db9d77b | 3849 | } |
e1a44743 | 3850 | if (tries == 5) |
5eddb70b | 3851 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
3852 | |
3853 | DRM_DEBUG_KMS("FDI train done\n"); | |
5c5313c8 | 3854 | |
8db9d77b ZW |
3855 | } |
3856 | ||
0206e353 | 3857 | static const int snb_b_fdi_train_param[] = { |
8db9d77b ZW |
3858 | FDI_LINK_TRAIN_400MV_0DB_SNB_B, |
3859 | FDI_LINK_TRAIN_400MV_6DB_SNB_B, | |
3860 | FDI_LINK_TRAIN_600MV_3_5DB_SNB_B, | |
3861 | FDI_LINK_TRAIN_800MV_0DB_SNB_B, | |
3862 | }; | |
3863 | ||
3864 | /* The FDI link training functions for SNB/Cougarpoint. */ | |
3865 | static void gen6_fdi_link_train(struct drm_crtc *crtc) | |
3866 | { | |
3867 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 3868 | struct drm_i915_private *dev_priv = to_i915(dev); |
8db9d77b ZW |
3869 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3870 | int pipe = intel_crtc->pipe; | |
f0f59a00 VS |
3871 | i915_reg_t reg; |
3872 | u32 temp, i, retry; | |
8db9d77b | 3873 | |
e1a44743 AJ |
3874 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3875 | for train result */ | |
5eddb70b CW |
3876 | reg = FDI_RX_IMR(pipe); |
3877 | temp = I915_READ(reg); | |
e1a44743 AJ |
3878 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3879 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
3880 | I915_WRITE(reg, temp); |
3881 | ||
3882 | POSTING_READ(reg); | |
e1a44743 AJ |
3883 | udelay(150); |
3884 | ||
8db9d77b | 3885 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
3886 | reg = FDI_TX_CTL(pipe); |
3887 | temp = I915_READ(reg); | |
627eb5a3 | 3888 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3889 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
8db9d77b ZW |
3890 | temp &= ~FDI_LINK_TRAIN_NONE; |
3891 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3892 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
3893 | /* SNB-B */ | |
3894 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
5eddb70b | 3895 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 3896 | |
d74cf324 DV |
3897 | I915_WRITE(FDI_RX_MISC(pipe), |
3898 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
3899 | ||
5eddb70b CW |
3900 | reg = FDI_RX_CTL(pipe); |
3901 | temp = I915_READ(reg); | |
8db9d77b ZW |
3902 | if (HAS_PCH_CPT(dev)) { |
3903 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3904 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
3905 | } else { | |
3906 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3907 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3908 | } | |
5eddb70b CW |
3909 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3910 | ||
3911 | POSTING_READ(reg); | |
8db9d77b ZW |
3912 | udelay(150); |
3913 | ||
0206e353 | 3914 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
3915 | reg = FDI_TX_CTL(pipe); |
3916 | temp = I915_READ(reg); | |
8db9d77b ZW |
3917 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3918 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
3919 | I915_WRITE(reg, temp); |
3920 | ||
3921 | POSTING_READ(reg); | |
8db9d77b ZW |
3922 | udelay(500); |
3923 | ||
fa37d39e SP |
3924 | for (retry = 0; retry < 5; retry++) { |
3925 | reg = FDI_RX_IIR(pipe); | |
3926 | temp = I915_READ(reg); | |
3927 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
3928 | if (temp & FDI_RX_BIT_LOCK) { | |
3929 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
3930 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
3931 | break; | |
3932 | } | |
3933 | udelay(50); | |
8db9d77b | 3934 | } |
fa37d39e SP |
3935 | if (retry < 5) |
3936 | break; | |
8db9d77b ZW |
3937 | } |
3938 | if (i == 4) | |
5eddb70b | 3939 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
3940 | |
3941 | /* Train 2 */ | |
5eddb70b CW |
3942 | reg = FDI_TX_CTL(pipe); |
3943 | temp = I915_READ(reg); | |
8db9d77b ZW |
3944 | temp &= ~FDI_LINK_TRAIN_NONE; |
3945 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
3946 | if (IS_GEN6(dev)) { | |
3947 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
3948 | /* SNB-B */ | |
3949 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
3950 | } | |
5eddb70b | 3951 | I915_WRITE(reg, temp); |
8db9d77b | 3952 | |
5eddb70b CW |
3953 | reg = FDI_RX_CTL(pipe); |
3954 | temp = I915_READ(reg); | |
8db9d77b ZW |
3955 | if (HAS_PCH_CPT(dev)) { |
3956 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3957 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
3958 | } else { | |
3959 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3960 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
3961 | } | |
5eddb70b CW |
3962 | I915_WRITE(reg, temp); |
3963 | ||
3964 | POSTING_READ(reg); | |
8db9d77b ZW |
3965 | udelay(150); |
3966 | ||
0206e353 | 3967 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
3968 | reg = FDI_TX_CTL(pipe); |
3969 | temp = I915_READ(reg); | |
8db9d77b ZW |
3970 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3971 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
3972 | I915_WRITE(reg, temp); |
3973 | ||
3974 | POSTING_READ(reg); | |
8db9d77b ZW |
3975 | udelay(500); |
3976 | ||
fa37d39e SP |
3977 | for (retry = 0; retry < 5; retry++) { |
3978 | reg = FDI_RX_IIR(pipe); | |
3979 | temp = I915_READ(reg); | |
3980 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
3981 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
3982 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
3983 | DRM_DEBUG_KMS("FDI train 2 done.\n"); | |
3984 | break; | |
3985 | } | |
3986 | udelay(50); | |
8db9d77b | 3987 | } |
fa37d39e SP |
3988 | if (retry < 5) |
3989 | break; | |
8db9d77b ZW |
3990 | } |
3991 | if (i == 4) | |
5eddb70b | 3992 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
3993 | |
3994 | DRM_DEBUG_KMS("FDI train done.\n"); | |
3995 | } | |
3996 | ||
357555c0 JB |
3997 | /* Manual link training for Ivy Bridge A0 parts */ |
3998 | static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) | |
3999 | { | |
4000 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 4001 | struct drm_i915_private *dev_priv = to_i915(dev); |
357555c0 JB |
4002 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4003 | int pipe = intel_crtc->pipe; | |
f0f59a00 VS |
4004 | i915_reg_t reg; |
4005 | u32 temp, i, j; | |
357555c0 JB |
4006 | |
4007 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit | |
4008 | for train result */ | |
4009 | reg = FDI_RX_IMR(pipe); | |
4010 | temp = I915_READ(reg); | |
4011 | temp &= ~FDI_RX_SYMBOL_LOCK; | |
4012 | temp &= ~FDI_RX_BIT_LOCK; | |
4013 | I915_WRITE(reg, temp); | |
4014 | ||
4015 | POSTING_READ(reg); | |
4016 | udelay(150); | |
4017 | ||
01a415fd DV |
4018 | DRM_DEBUG_KMS("FDI_RX_IIR before link train 0x%x\n", |
4019 | I915_READ(FDI_RX_IIR(pipe))); | |
4020 | ||
139ccd3f JB |
4021 | /* Try each vswing and preemphasis setting twice before moving on */ |
4022 | for (j = 0; j < ARRAY_SIZE(snb_b_fdi_train_param) * 2; j++) { | |
4023 | /* disable first in case we need to retry */ | |
4024 | reg = FDI_TX_CTL(pipe); | |
4025 | temp = I915_READ(reg); | |
4026 | temp &= ~(FDI_LINK_TRAIN_AUTO | FDI_LINK_TRAIN_NONE_IVB); | |
4027 | temp &= ~FDI_TX_ENABLE; | |
4028 | I915_WRITE(reg, temp); | |
357555c0 | 4029 | |
139ccd3f JB |
4030 | reg = FDI_RX_CTL(pipe); |
4031 | temp = I915_READ(reg); | |
4032 | temp &= ~FDI_LINK_TRAIN_AUTO; | |
4033 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
4034 | temp &= ~FDI_RX_ENABLE; | |
4035 | I915_WRITE(reg, temp); | |
357555c0 | 4036 | |
139ccd3f | 4037 | /* enable CPU FDI TX and PCH FDI RX */ |
357555c0 JB |
4038 | reg = FDI_TX_CTL(pipe); |
4039 | temp = I915_READ(reg); | |
139ccd3f | 4040 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 4041 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
139ccd3f | 4042 | temp |= FDI_LINK_TRAIN_PATTERN_1_IVB; |
357555c0 | 4043 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
139ccd3f JB |
4044 | temp |= snb_b_fdi_train_param[j/2]; |
4045 | temp |= FDI_COMPOSITE_SYNC; | |
4046 | I915_WRITE(reg, temp | FDI_TX_ENABLE); | |
357555c0 | 4047 | |
139ccd3f JB |
4048 | I915_WRITE(FDI_RX_MISC(pipe), |
4049 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
357555c0 | 4050 | |
139ccd3f | 4051 | reg = FDI_RX_CTL(pipe); |
357555c0 | 4052 | temp = I915_READ(reg); |
139ccd3f JB |
4053 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
4054 | temp |= FDI_COMPOSITE_SYNC; | |
4055 | I915_WRITE(reg, temp | FDI_RX_ENABLE); | |
357555c0 | 4056 | |
139ccd3f JB |
4057 | POSTING_READ(reg); |
4058 | udelay(1); /* should be 0.5us */ | |
357555c0 | 4059 | |
139ccd3f JB |
4060 | for (i = 0; i < 4; i++) { |
4061 | reg = FDI_RX_IIR(pipe); | |
4062 | temp = I915_READ(reg); | |
4063 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
357555c0 | 4064 | |
139ccd3f JB |
4065 | if (temp & FDI_RX_BIT_LOCK || |
4066 | (I915_READ(reg) & FDI_RX_BIT_LOCK)) { | |
4067 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
4068 | DRM_DEBUG_KMS("FDI train 1 done, level %i.\n", | |
4069 | i); | |
4070 | break; | |
4071 | } | |
4072 | udelay(1); /* should be 0.5us */ | |
4073 | } | |
4074 | if (i == 4) { | |
4075 | DRM_DEBUG_KMS("FDI train 1 fail on vswing %d\n", j / 2); | |
4076 | continue; | |
4077 | } | |
357555c0 | 4078 | |
139ccd3f | 4079 | /* Train 2 */ |
357555c0 JB |
4080 | reg = FDI_TX_CTL(pipe); |
4081 | temp = I915_READ(reg); | |
139ccd3f JB |
4082 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
4083 | temp |= FDI_LINK_TRAIN_PATTERN_2_IVB; | |
4084 | I915_WRITE(reg, temp); | |
4085 | ||
4086 | reg = FDI_RX_CTL(pipe); | |
4087 | temp = I915_READ(reg); | |
4088 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
4089 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
357555c0 JB |
4090 | I915_WRITE(reg, temp); |
4091 | ||
4092 | POSTING_READ(reg); | |
139ccd3f | 4093 | udelay(2); /* should be 1.5us */ |
357555c0 | 4094 | |
139ccd3f JB |
4095 | for (i = 0; i < 4; i++) { |
4096 | reg = FDI_RX_IIR(pipe); | |
4097 | temp = I915_READ(reg); | |
4098 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
357555c0 | 4099 | |
139ccd3f JB |
4100 | if (temp & FDI_RX_SYMBOL_LOCK || |
4101 | (I915_READ(reg) & FDI_RX_SYMBOL_LOCK)) { | |
4102 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
4103 | DRM_DEBUG_KMS("FDI train 2 done, level %i.\n", | |
4104 | i); | |
4105 | goto train_done; | |
4106 | } | |
4107 | udelay(2); /* should be 1.5us */ | |
357555c0 | 4108 | } |
139ccd3f JB |
4109 | if (i == 4) |
4110 | DRM_DEBUG_KMS("FDI train 2 fail on vswing %d\n", j / 2); | |
357555c0 | 4111 | } |
357555c0 | 4112 | |
139ccd3f | 4113 | train_done: |
357555c0 JB |
4114 | DRM_DEBUG_KMS("FDI train done.\n"); |
4115 | } | |
4116 | ||
88cefb6c | 4117 | static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc) |
2c07245f | 4118 | { |
88cefb6c | 4119 | struct drm_device *dev = intel_crtc->base.dev; |
fac5e23e | 4120 | struct drm_i915_private *dev_priv = to_i915(dev); |
2c07245f | 4121 | int pipe = intel_crtc->pipe; |
f0f59a00 VS |
4122 | i915_reg_t reg; |
4123 | u32 temp; | |
c64e311e | 4124 | |
c98e9dcf | 4125 | /* enable PCH FDI RX PLL, wait warmup plus DMI latency */ |
5eddb70b CW |
4126 | reg = FDI_RX_CTL(pipe); |
4127 | temp = I915_READ(reg); | |
627eb5a3 | 4128 | temp &= ~(FDI_DP_PORT_WIDTH_MASK | (0x7 << 16)); |
6e3c9717 | 4129 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
dfd07d72 | 4130 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
5eddb70b CW |
4131 | I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE); |
4132 | ||
4133 | POSTING_READ(reg); | |
c98e9dcf JB |
4134 | udelay(200); |
4135 | ||
4136 | /* Switch from Rawclk to PCDclk */ | |
5eddb70b CW |
4137 | temp = I915_READ(reg); |
4138 | I915_WRITE(reg, temp | FDI_PCDCLK); | |
4139 | ||
4140 | POSTING_READ(reg); | |
c98e9dcf JB |
4141 | udelay(200); |
4142 | ||
20749730 PZ |
4143 | /* Enable CPU FDI TX PLL, always on for Ironlake */ |
4144 | reg = FDI_TX_CTL(pipe); | |
4145 | temp = I915_READ(reg); | |
4146 | if ((temp & FDI_TX_PLL_ENABLE) == 0) { | |
4147 | I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE); | |
5eddb70b | 4148 | |
20749730 PZ |
4149 | POSTING_READ(reg); |
4150 | udelay(100); | |
6be4a607 | 4151 | } |
0e23b99d JB |
4152 | } |
4153 | ||
88cefb6c DV |
4154 | static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc) |
4155 | { | |
4156 | struct drm_device *dev = intel_crtc->base.dev; | |
fac5e23e | 4157 | struct drm_i915_private *dev_priv = to_i915(dev); |
88cefb6c | 4158 | int pipe = intel_crtc->pipe; |
f0f59a00 VS |
4159 | i915_reg_t reg; |
4160 | u32 temp; | |
88cefb6c DV |
4161 | |
4162 | /* Switch from PCDclk to Rawclk */ | |
4163 | reg = FDI_RX_CTL(pipe); | |
4164 | temp = I915_READ(reg); | |
4165 | I915_WRITE(reg, temp & ~FDI_PCDCLK); | |
4166 | ||
4167 | /* Disable CPU FDI TX PLL */ | |
4168 | reg = FDI_TX_CTL(pipe); | |
4169 | temp = I915_READ(reg); | |
4170 | I915_WRITE(reg, temp & ~FDI_TX_PLL_ENABLE); | |
4171 | ||
4172 | POSTING_READ(reg); | |
4173 | udelay(100); | |
4174 | ||
4175 | reg = FDI_RX_CTL(pipe); | |
4176 | temp = I915_READ(reg); | |
4177 | I915_WRITE(reg, temp & ~FDI_RX_PLL_ENABLE); | |
4178 | ||
4179 | /* Wait for the clocks to turn off. */ | |
4180 | POSTING_READ(reg); | |
4181 | udelay(100); | |
4182 | } | |
4183 | ||
0fc932b8 JB |
4184 | static void ironlake_fdi_disable(struct drm_crtc *crtc) |
4185 | { | |
4186 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 4187 | struct drm_i915_private *dev_priv = to_i915(dev); |
0fc932b8 JB |
4188 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4189 | int pipe = intel_crtc->pipe; | |
f0f59a00 VS |
4190 | i915_reg_t reg; |
4191 | u32 temp; | |
0fc932b8 JB |
4192 | |
4193 | /* disable CPU FDI tx and PCH FDI rx */ | |
4194 | reg = FDI_TX_CTL(pipe); | |
4195 | temp = I915_READ(reg); | |
4196 | I915_WRITE(reg, temp & ~FDI_TX_ENABLE); | |
4197 | POSTING_READ(reg); | |
4198 | ||
4199 | reg = FDI_RX_CTL(pipe); | |
4200 | temp = I915_READ(reg); | |
4201 | temp &= ~(0x7 << 16); | |
dfd07d72 | 4202 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
4203 | I915_WRITE(reg, temp & ~FDI_RX_ENABLE); |
4204 | ||
4205 | POSTING_READ(reg); | |
4206 | udelay(100); | |
4207 | ||
4208 | /* Ironlake workaround, disable clock pointer after downing FDI */ | |
eba905b2 | 4209 | if (HAS_PCH_IBX(dev)) |
6f06ce18 | 4210 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
0fc932b8 JB |
4211 | |
4212 | /* still set train pattern 1 */ | |
4213 | reg = FDI_TX_CTL(pipe); | |
4214 | temp = I915_READ(reg); | |
4215 | temp &= ~FDI_LINK_TRAIN_NONE; | |
4216 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
4217 | I915_WRITE(reg, temp); | |
4218 | ||
4219 | reg = FDI_RX_CTL(pipe); | |
4220 | temp = I915_READ(reg); | |
4221 | if (HAS_PCH_CPT(dev)) { | |
4222 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
4223 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
4224 | } else { | |
4225 | temp &= ~FDI_LINK_TRAIN_NONE; | |
4226 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
4227 | } | |
4228 | /* BPC in FDI rx is consistent with that in PIPECONF */ | |
4229 | temp &= ~(0x07 << 16); | |
dfd07d72 | 4230 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
4231 | I915_WRITE(reg, temp); |
4232 | ||
4233 | POSTING_READ(reg); | |
4234 | udelay(100); | |
4235 | } | |
4236 | ||
5dce5b93 CW |
4237 | bool intel_has_pending_fb_unpin(struct drm_device *dev) |
4238 | { | |
4239 | struct intel_crtc *crtc; | |
4240 | ||
4241 | /* Note that we don't need to be called with mode_config.lock here | |
4242 | * as our list of CRTC objects is static for the lifetime of the | |
4243 | * device and so cannot disappear as we iterate. Similarly, we can | |
4244 | * happily treat the predicates as racy, atomic checks as userspace | |
4245 | * cannot claim and pin a new fb without at least acquring the | |
4246 | * struct_mutex and so serialising with us. | |
4247 | */ | |
d3fcc808 | 4248 | for_each_intel_crtc(dev, crtc) { |
5dce5b93 CW |
4249 | if (atomic_read(&crtc->unpin_work_count) == 0) |
4250 | continue; | |
4251 | ||
5a21b665 | 4252 | if (crtc->flip_work) |
5dce5b93 CW |
4253 | intel_wait_for_vblank(dev, crtc->pipe); |
4254 | ||
4255 | return true; | |
4256 | } | |
4257 | ||
4258 | return false; | |
4259 | } | |
4260 | ||
5a21b665 | 4261 | static void page_flip_completed(struct intel_crtc *intel_crtc) |
d6bbafa1 CW |
4262 | { |
4263 | struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev); | |
5a21b665 DV |
4264 | struct intel_flip_work *work = intel_crtc->flip_work; |
4265 | ||
4266 | intel_crtc->flip_work = NULL; | |
d6bbafa1 CW |
4267 | |
4268 | if (work->event) | |
560ce1dc | 4269 | drm_crtc_send_vblank_event(&intel_crtc->base, work->event); |
d6bbafa1 CW |
4270 | |
4271 | drm_crtc_vblank_put(&intel_crtc->base); | |
4272 | ||
5a21b665 | 4273 | wake_up_all(&dev_priv->pending_flip_queue); |
143f73b3 | 4274 | queue_work(dev_priv->wq, &work->unpin_work); |
5a21b665 DV |
4275 | |
4276 | trace_i915_flip_complete(intel_crtc->plane, | |
4277 | work->pending_flip_obj); | |
d6bbafa1 CW |
4278 | } |
4279 | ||
5008e874 | 4280 | static int intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) |
e6c3a2a6 | 4281 | { |
0f91128d | 4282 | struct drm_device *dev = crtc->dev; |
fac5e23e | 4283 | struct drm_i915_private *dev_priv = to_i915(dev); |
5008e874 | 4284 | long ret; |
e6c3a2a6 | 4285 | |
2c10d571 | 4286 | WARN_ON(waitqueue_active(&dev_priv->pending_flip_queue)); |
5008e874 ML |
4287 | |
4288 | ret = wait_event_interruptible_timeout( | |
4289 | dev_priv->pending_flip_queue, | |
4290 | !intel_crtc_has_pending_flip(crtc), | |
4291 | 60*HZ); | |
4292 | ||
4293 | if (ret < 0) | |
4294 | return ret; | |
4295 | ||
5a21b665 DV |
4296 | if (ret == 0) { |
4297 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4298 | struct intel_flip_work *work; | |
4299 | ||
4300 | spin_lock_irq(&dev->event_lock); | |
4301 | work = intel_crtc->flip_work; | |
4302 | if (work && !is_mmio_work(work)) { | |
4303 | WARN_ONCE(1, "Removing stuck page flip\n"); | |
4304 | page_flip_completed(intel_crtc); | |
4305 | } | |
4306 | spin_unlock_irq(&dev->event_lock); | |
4307 | } | |
5bb61643 | 4308 | |
5008e874 | 4309 | return 0; |
e6c3a2a6 CW |
4310 | } |
4311 | ||
b7076546 | 4312 | void lpt_disable_iclkip(struct drm_i915_private *dev_priv) |
060f02d8 VS |
4313 | { |
4314 | u32 temp; | |
4315 | ||
4316 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_GATE); | |
4317 | ||
4318 | mutex_lock(&dev_priv->sb_lock); | |
4319 | ||
4320 | temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); | |
4321 | temp |= SBI_SSCCTL_DISABLE; | |
4322 | intel_sbi_write(dev_priv, SBI_SSCCTL6, temp, SBI_ICLK); | |
4323 | ||
4324 | mutex_unlock(&dev_priv->sb_lock); | |
4325 | } | |
4326 | ||
e615efe4 ED |
4327 | /* Program iCLKIP clock to the desired frequency */ |
4328 | static void lpt_program_iclkip(struct drm_crtc *crtc) | |
4329 | { | |
64b46a06 | 4330 | struct drm_i915_private *dev_priv = to_i915(crtc->dev); |
6e3c9717 | 4331 | int clock = to_intel_crtc(crtc)->config->base.adjusted_mode.crtc_clock; |
e615efe4 ED |
4332 | u32 divsel, phaseinc, auxdiv, phasedir = 0; |
4333 | u32 temp; | |
4334 | ||
060f02d8 | 4335 | lpt_disable_iclkip(dev_priv); |
e615efe4 | 4336 | |
64b46a06 VS |
4337 | /* The iCLK virtual clock root frequency is in MHz, |
4338 | * but the adjusted_mode->crtc_clock in in KHz. To get the | |
4339 | * divisors, it is necessary to divide one by another, so we | |
4340 | * convert the virtual clock precision to KHz here for higher | |
4341 | * precision. | |
4342 | */ | |
4343 | for (auxdiv = 0; auxdiv < 2; auxdiv++) { | |
e615efe4 ED |
4344 | u32 iclk_virtual_root_freq = 172800 * 1000; |
4345 | u32 iclk_pi_range = 64; | |
64b46a06 | 4346 | u32 desired_divisor; |
e615efe4 | 4347 | |
64b46a06 VS |
4348 | desired_divisor = DIV_ROUND_CLOSEST(iclk_virtual_root_freq, |
4349 | clock << auxdiv); | |
4350 | divsel = (desired_divisor / iclk_pi_range) - 2; | |
4351 | phaseinc = desired_divisor % iclk_pi_range; | |
e615efe4 | 4352 | |
64b46a06 VS |
4353 | /* |
4354 | * Near 20MHz is a corner case which is | |
4355 | * out of range for the 7-bit divisor | |
4356 | */ | |
4357 | if (divsel <= 0x7f) | |
4358 | break; | |
e615efe4 ED |
4359 | } |
4360 | ||
4361 | /* This should not happen with any sane values */ | |
4362 | WARN_ON(SBI_SSCDIVINTPHASE_DIVSEL(divsel) & | |
4363 | ~SBI_SSCDIVINTPHASE_DIVSEL_MASK); | |
4364 | WARN_ON(SBI_SSCDIVINTPHASE_DIR(phasedir) & | |
4365 | ~SBI_SSCDIVINTPHASE_INCVAL_MASK); | |
4366 | ||
4367 | DRM_DEBUG_KMS("iCLKIP clock: found settings for %dKHz refresh rate: auxdiv=%x, divsel=%x, phasedir=%x, phaseinc=%x\n", | |
12d7ceed | 4368 | clock, |
e615efe4 ED |
4369 | auxdiv, |
4370 | divsel, | |
4371 | phasedir, | |
4372 | phaseinc); | |
4373 | ||
060f02d8 VS |
4374 | mutex_lock(&dev_priv->sb_lock); |
4375 | ||
e615efe4 | 4376 | /* Program SSCDIVINTPHASE6 */ |
988d6ee8 | 4377 | temp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE6, SBI_ICLK); |
e615efe4 ED |
4378 | temp &= ~SBI_SSCDIVINTPHASE_DIVSEL_MASK; |
4379 | temp |= SBI_SSCDIVINTPHASE_DIVSEL(divsel); | |
4380 | temp &= ~SBI_SSCDIVINTPHASE_INCVAL_MASK; | |
4381 | temp |= SBI_SSCDIVINTPHASE_INCVAL(phaseinc); | |
4382 | temp |= SBI_SSCDIVINTPHASE_DIR(phasedir); | |
4383 | temp |= SBI_SSCDIVINTPHASE_PROPAGATE; | |
988d6ee8 | 4384 | intel_sbi_write(dev_priv, SBI_SSCDIVINTPHASE6, temp, SBI_ICLK); |
e615efe4 ED |
4385 | |
4386 | /* Program SSCAUXDIV */ | |
988d6ee8 | 4387 | temp = intel_sbi_read(dev_priv, SBI_SSCAUXDIV6, SBI_ICLK); |
e615efe4 ED |
4388 | temp &= ~SBI_SSCAUXDIV_FINALDIV2SEL(1); |
4389 | temp |= SBI_SSCAUXDIV_FINALDIV2SEL(auxdiv); | |
988d6ee8 | 4390 | intel_sbi_write(dev_priv, SBI_SSCAUXDIV6, temp, SBI_ICLK); |
e615efe4 ED |
4391 | |
4392 | /* Enable modulator and associated divider */ | |
988d6ee8 | 4393 | temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); |
e615efe4 | 4394 | temp &= ~SBI_SSCCTL_DISABLE; |
988d6ee8 | 4395 | intel_sbi_write(dev_priv, SBI_SSCCTL6, temp, SBI_ICLK); |
e615efe4 | 4396 | |
060f02d8 VS |
4397 | mutex_unlock(&dev_priv->sb_lock); |
4398 | ||
e615efe4 ED |
4399 | /* Wait for initialization time */ |
4400 | udelay(24); | |
4401 | ||
4402 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_UNGATE); | |
4403 | } | |
4404 | ||
8802e5b6 VS |
4405 | int lpt_get_iclkip(struct drm_i915_private *dev_priv) |
4406 | { | |
4407 | u32 divsel, phaseinc, auxdiv; | |
4408 | u32 iclk_virtual_root_freq = 172800 * 1000; | |
4409 | u32 iclk_pi_range = 64; | |
4410 | u32 desired_divisor; | |
4411 | u32 temp; | |
4412 | ||
4413 | if ((I915_READ(PIXCLK_GATE) & PIXCLK_GATE_UNGATE) == 0) | |
4414 | return 0; | |
4415 | ||
4416 | mutex_lock(&dev_priv->sb_lock); | |
4417 | ||
4418 | temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); | |
4419 | if (temp & SBI_SSCCTL_DISABLE) { | |
4420 | mutex_unlock(&dev_priv->sb_lock); | |
4421 | return 0; | |
4422 | } | |
4423 | ||
4424 | temp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE6, SBI_ICLK); | |
4425 | divsel = (temp & SBI_SSCDIVINTPHASE_DIVSEL_MASK) >> | |
4426 | SBI_SSCDIVINTPHASE_DIVSEL_SHIFT; | |
4427 | phaseinc = (temp & SBI_SSCDIVINTPHASE_INCVAL_MASK) >> | |
4428 | SBI_SSCDIVINTPHASE_INCVAL_SHIFT; | |
4429 | ||
4430 | temp = intel_sbi_read(dev_priv, SBI_SSCAUXDIV6, SBI_ICLK); | |
4431 | auxdiv = (temp & SBI_SSCAUXDIV_FINALDIV2SEL_MASK) >> | |
4432 | SBI_SSCAUXDIV_FINALDIV2SEL_SHIFT; | |
4433 | ||
4434 | mutex_unlock(&dev_priv->sb_lock); | |
4435 | ||
4436 | desired_divisor = (divsel + 2) * iclk_pi_range + phaseinc; | |
4437 | ||
4438 | return DIV_ROUND_CLOSEST(iclk_virtual_root_freq, | |
4439 | desired_divisor << auxdiv); | |
4440 | } | |
4441 | ||
275f01b2 DV |
4442 | static void ironlake_pch_transcoder_set_timings(struct intel_crtc *crtc, |
4443 | enum pipe pch_transcoder) | |
4444 | { | |
4445 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 4446 | struct drm_i915_private *dev_priv = to_i915(dev); |
6e3c9717 | 4447 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
275f01b2 DV |
4448 | |
4449 | I915_WRITE(PCH_TRANS_HTOTAL(pch_transcoder), | |
4450 | I915_READ(HTOTAL(cpu_transcoder))); | |
4451 | I915_WRITE(PCH_TRANS_HBLANK(pch_transcoder), | |
4452 | I915_READ(HBLANK(cpu_transcoder))); | |
4453 | I915_WRITE(PCH_TRANS_HSYNC(pch_transcoder), | |
4454 | I915_READ(HSYNC(cpu_transcoder))); | |
4455 | ||
4456 | I915_WRITE(PCH_TRANS_VTOTAL(pch_transcoder), | |
4457 | I915_READ(VTOTAL(cpu_transcoder))); | |
4458 | I915_WRITE(PCH_TRANS_VBLANK(pch_transcoder), | |
4459 | I915_READ(VBLANK(cpu_transcoder))); | |
4460 | I915_WRITE(PCH_TRANS_VSYNC(pch_transcoder), | |
4461 | I915_READ(VSYNC(cpu_transcoder))); | |
4462 | I915_WRITE(PCH_TRANS_VSYNCSHIFT(pch_transcoder), | |
4463 | I915_READ(VSYNCSHIFT(cpu_transcoder))); | |
4464 | } | |
4465 | ||
003632d9 | 4466 | static void cpt_set_fdi_bc_bifurcation(struct drm_device *dev, bool enable) |
1fbc0d78 | 4467 | { |
fac5e23e | 4468 | struct drm_i915_private *dev_priv = to_i915(dev); |
1fbc0d78 DV |
4469 | uint32_t temp; |
4470 | ||
4471 | temp = I915_READ(SOUTH_CHICKEN1); | |
003632d9 | 4472 | if (!!(temp & FDI_BC_BIFURCATION_SELECT) == enable) |
1fbc0d78 DV |
4473 | return; |
4474 | ||
4475 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); | |
4476 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); | |
4477 | ||
003632d9 ACO |
4478 | temp &= ~FDI_BC_BIFURCATION_SELECT; |
4479 | if (enable) | |
4480 | temp |= FDI_BC_BIFURCATION_SELECT; | |
4481 | ||
4482 | DRM_DEBUG_KMS("%sabling fdi C rx\n", enable ? "en" : "dis"); | |
1fbc0d78 DV |
4483 | I915_WRITE(SOUTH_CHICKEN1, temp); |
4484 | POSTING_READ(SOUTH_CHICKEN1); | |
4485 | } | |
4486 | ||
4487 | static void ivybridge_update_fdi_bc_bifurcation(struct intel_crtc *intel_crtc) | |
4488 | { | |
4489 | struct drm_device *dev = intel_crtc->base.dev; | |
1fbc0d78 DV |
4490 | |
4491 | switch (intel_crtc->pipe) { | |
4492 | case PIPE_A: | |
4493 | break; | |
4494 | case PIPE_B: | |
6e3c9717 | 4495 | if (intel_crtc->config->fdi_lanes > 2) |
003632d9 | 4496 | cpt_set_fdi_bc_bifurcation(dev, false); |
1fbc0d78 | 4497 | else |
003632d9 | 4498 | cpt_set_fdi_bc_bifurcation(dev, true); |
1fbc0d78 DV |
4499 | |
4500 | break; | |
4501 | case PIPE_C: | |
003632d9 | 4502 | cpt_set_fdi_bc_bifurcation(dev, true); |
1fbc0d78 DV |
4503 | |
4504 | break; | |
4505 | default: | |
4506 | BUG(); | |
4507 | } | |
4508 | } | |
4509 | ||
c48b5305 VS |
4510 | /* Return which DP Port should be selected for Transcoder DP control */ |
4511 | static enum port | |
4512 | intel_trans_dp_port_sel(struct drm_crtc *crtc) | |
4513 | { | |
4514 | struct drm_device *dev = crtc->dev; | |
4515 | struct intel_encoder *encoder; | |
4516 | ||
4517 | for_each_encoder_on_crtc(dev, crtc, encoder) { | |
cca0502b | 4518 | if (encoder->type == INTEL_OUTPUT_DP || |
c48b5305 VS |
4519 | encoder->type == INTEL_OUTPUT_EDP) |
4520 | return enc_to_dig_port(&encoder->base)->port; | |
4521 | } | |
4522 | ||
4523 | return -1; | |
4524 | } | |
4525 | ||
f67a559d JB |
4526 | /* |
4527 | * Enable PCH resources required for PCH ports: | |
4528 | * - PCH PLLs | |
4529 | * - FDI training & RX/TX | |
4530 | * - update transcoder timings | |
4531 | * - DP transcoding bits | |
4532 | * - transcoder | |
4533 | */ | |
4534 | static void ironlake_pch_enable(struct drm_crtc *crtc) | |
0e23b99d JB |
4535 | { |
4536 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 4537 | struct drm_i915_private *dev_priv = to_i915(dev); |
0e23b99d JB |
4538 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4539 | int pipe = intel_crtc->pipe; | |
f0f59a00 | 4540 | u32 temp; |
2c07245f | 4541 | |
ab9412ba | 4542 | assert_pch_transcoder_disabled(dev_priv, pipe); |
e7e164db | 4543 | |
1fbc0d78 DV |
4544 | if (IS_IVYBRIDGE(dev)) |
4545 | ivybridge_update_fdi_bc_bifurcation(intel_crtc); | |
4546 | ||
cd986abb DV |
4547 | /* Write the TU size bits before fdi link training, so that error |
4548 | * detection works. */ | |
4549 | I915_WRITE(FDI_RX_TUSIZE1(pipe), | |
4550 | I915_READ(PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); | |
4551 | ||
c98e9dcf | 4552 | /* For PCH output, training FDI link */ |
674cf967 | 4553 | dev_priv->display.fdi_link_train(crtc); |
2c07245f | 4554 | |
3ad8a208 DV |
4555 | /* We need to program the right clock selection before writing the pixel |
4556 | * mutliplier into the DPLL. */ | |
303b81e0 | 4557 | if (HAS_PCH_CPT(dev)) { |
ee7b9f93 | 4558 | u32 sel; |
4b645f14 | 4559 | |
c98e9dcf | 4560 | temp = I915_READ(PCH_DPLL_SEL); |
11887397 DV |
4561 | temp |= TRANS_DPLL_ENABLE(pipe); |
4562 | sel = TRANS_DPLLB_SEL(pipe); | |
8106ddbd ACO |
4563 | if (intel_crtc->config->shared_dpll == |
4564 | intel_get_shared_dpll_by_id(dev_priv, DPLL_ID_PCH_PLL_B)) | |
ee7b9f93 JB |
4565 | temp |= sel; |
4566 | else | |
4567 | temp &= ~sel; | |
c98e9dcf | 4568 | I915_WRITE(PCH_DPLL_SEL, temp); |
c98e9dcf | 4569 | } |
5eddb70b | 4570 | |
3ad8a208 DV |
4571 | /* XXX: pch pll's can be enabled any time before we enable the PCH |
4572 | * transcoder, and we actually should do this to not upset any PCH | |
4573 | * transcoder that already use the clock when we share it. | |
4574 | * | |
4575 | * Note that enable_shared_dpll tries to do the right thing, but | |
4576 | * get_shared_dpll unconditionally resets the pll - we need that to have | |
4577 | * the right LVDS enable sequence. */ | |
85b3894f | 4578 | intel_enable_shared_dpll(intel_crtc); |
3ad8a208 | 4579 | |
d9b6cb56 JB |
4580 | /* set transcoder timing, panel must allow it */ |
4581 | assert_panel_unlocked(dev_priv, pipe); | |
275f01b2 | 4582 | ironlake_pch_transcoder_set_timings(intel_crtc, pipe); |
8db9d77b | 4583 | |
303b81e0 | 4584 | intel_fdi_normal_train(crtc); |
5e84e1a4 | 4585 | |
c98e9dcf | 4586 | /* For PCH DP, enable TRANS_DP_CTL */ |
37a5650b | 4587 | if (HAS_PCH_CPT(dev) && intel_crtc_has_dp_encoder(intel_crtc->config)) { |
9c4edaee VS |
4588 | const struct drm_display_mode *adjusted_mode = |
4589 | &intel_crtc->config->base.adjusted_mode; | |
dfd07d72 | 4590 | u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) >> 5; |
f0f59a00 | 4591 | i915_reg_t reg = TRANS_DP_CTL(pipe); |
5eddb70b CW |
4592 | temp = I915_READ(reg); |
4593 | temp &= ~(TRANS_DP_PORT_SEL_MASK | | |
220cad3c EA |
4594 | TRANS_DP_SYNC_MASK | |
4595 | TRANS_DP_BPC_MASK); | |
e3ef4479 | 4596 | temp |= TRANS_DP_OUTPUT_ENABLE; |
9325c9f0 | 4597 | temp |= bpc << 9; /* same format but at 11:9 */ |
c98e9dcf | 4598 | |
9c4edaee | 4599 | if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) |
5eddb70b | 4600 | temp |= TRANS_DP_HSYNC_ACTIVE_HIGH; |
9c4edaee | 4601 | if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) |
5eddb70b | 4602 | temp |= TRANS_DP_VSYNC_ACTIVE_HIGH; |
c98e9dcf JB |
4603 | |
4604 | switch (intel_trans_dp_port_sel(crtc)) { | |
c48b5305 | 4605 | case PORT_B: |
5eddb70b | 4606 | temp |= TRANS_DP_PORT_SEL_B; |
c98e9dcf | 4607 | break; |
c48b5305 | 4608 | case PORT_C: |
5eddb70b | 4609 | temp |= TRANS_DP_PORT_SEL_C; |
c98e9dcf | 4610 | break; |
c48b5305 | 4611 | case PORT_D: |
5eddb70b | 4612 | temp |= TRANS_DP_PORT_SEL_D; |
c98e9dcf JB |
4613 | break; |
4614 | default: | |
e95d41e1 | 4615 | BUG(); |
32f9d658 | 4616 | } |
2c07245f | 4617 | |
5eddb70b | 4618 | I915_WRITE(reg, temp); |
6be4a607 | 4619 | } |
b52eb4dc | 4620 | |
b8a4f404 | 4621 | ironlake_enable_pch_transcoder(dev_priv, pipe); |
f67a559d JB |
4622 | } |
4623 | ||
1507e5bd PZ |
4624 | static void lpt_pch_enable(struct drm_crtc *crtc) |
4625 | { | |
4626 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 4627 | struct drm_i915_private *dev_priv = to_i915(dev); |
1507e5bd | 4628 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6e3c9717 | 4629 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
1507e5bd | 4630 | |
ab9412ba | 4631 | assert_pch_transcoder_disabled(dev_priv, TRANSCODER_A); |
1507e5bd | 4632 | |
8c52b5e8 | 4633 | lpt_program_iclkip(crtc); |
1507e5bd | 4634 | |
0540e488 | 4635 | /* Set transcoder timing. */ |
275f01b2 | 4636 | ironlake_pch_transcoder_set_timings(intel_crtc, PIPE_A); |
1507e5bd | 4637 | |
937bb610 | 4638 | lpt_enable_pch_transcoder(dev_priv, cpu_transcoder); |
f67a559d JB |
4639 | } |
4640 | ||
a1520318 | 4641 | static void cpt_verify_modeset(struct drm_device *dev, int pipe) |
d4270e57 | 4642 | { |
fac5e23e | 4643 | struct drm_i915_private *dev_priv = to_i915(dev); |
f0f59a00 | 4644 | i915_reg_t dslreg = PIPEDSL(pipe); |
d4270e57 JB |
4645 | u32 temp; |
4646 | ||
4647 | temp = I915_READ(dslreg); | |
4648 | udelay(500); | |
4649 | if (wait_for(I915_READ(dslreg) != temp, 5)) { | |
d4270e57 | 4650 | if (wait_for(I915_READ(dslreg) != temp, 5)) |
84f44ce7 | 4651 | DRM_ERROR("mode set failed: pipe %c stuck\n", pipe_name(pipe)); |
d4270e57 JB |
4652 | } |
4653 | } | |
4654 | ||
86adf9d7 ML |
4655 | static int |
4656 | skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach, | |
4657 | unsigned scaler_user, int *scaler_id, unsigned int rotation, | |
4658 | int src_w, int src_h, int dst_w, int dst_h) | |
a1b2278e | 4659 | { |
86adf9d7 ML |
4660 | struct intel_crtc_scaler_state *scaler_state = |
4661 | &crtc_state->scaler_state; | |
4662 | struct intel_crtc *intel_crtc = | |
4663 | to_intel_crtc(crtc_state->base.crtc); | |
a1b2278e | 4664 | int need_scaling; |
6156a456 CK |
4665 | |
4666 | need_scaling = intel_rotation_90_or_270(rotation) ? | |
4667 | (src_h != dst_w || src_w != dst_h): | |
4668 | (src_w != dst_w || src_h != dst_h); | |
a1b2278e CK |
4669 | |
4670 | /* | |
4671 | * if plane is being disabled or scaler is no more required or force detach | |
4672 | * - free scaler binded to this plane/crtc | |
4673 | * - in order to do this, update crtc->scaler_usage | |
4674 | * | |
4675 | * Here scaler state in crtc_state is set free so that | |
4676 | * scaler can be assigned to other user. Actual register | |
4677 | * update to free the scaler is done in plane/panel-fit programming. | |
4678 | * For this purpose crtc/plane_state->scaler_id isn't reset here. | |
4679 | */ | |
86adf9d7 | 4680 | if (force_detach || !need_scaling) { |
a1b2278e | 4681 | if (*scaler_id >= 0) { |
86adf9d7 | 4682 | scaler_state->scaler_users &= ~(1 << scaler_user); |
a1b2278e CK |
4683 | scaler_state->scalers[*scaler_id].in_use = 0; |
4684 | ||
86adf9d7 ML |
4685 | DRM_DEBUG_KMS("scaler_user index %u.%u: " |
4686 | "Staged freeing scaler id %d scaler_users = 0x%x\n", | |
4687 | intel_crtc->pipe, scaler_user, *scaler_id, | |
a1b2278e CK |
4688 | scaler_state->scaler_users); |
4689 | *scaler_id = -1; | |
4690 | } | |
4691 | return 0; | |
4692 | } | |
4693 | ||
4694 | /* range checks */ | |
4695 | if (src_w < SKL_MIN_SRC_W || src_h < SKL_MIN_SRC_H || | |
4696 | dst_w < SKL_MIN_DST_W || dst_h < SKL_MIN_DST_H || | |
4697 | ||
4698 | src_w > SKL_MAX_SRC_W || src_h > SKL_MAX_SRC_H || | |
4699 | dst_w > SKL_MAX_DST_W || dst_h > SKL_MAX_DST_H) { | |
86adf9d7 | 4700 | DRM_DEBUG_KMS("scaler_user index %u.%u: src %ux%u dst %ux%u " |
a1b2278e | 4701 | "size is out of scaler range\n", |
86adf9d7 | 4702 | intel_crtc->pipe, scaler_user, src_w, src_h, dst_w, dst_h); |
a1b2278e CK |
4703 | return -EINVAL; |
4704 | } | |
4705 | ||
86adf9d7 ML |
4706 | /* mark this plane as a scaler user in crtc_state */ |
4707 | scaler_state->scaler_users |= (1 << scaler_user); | |
4708 | DRM_DEBUG_KMS("scaler_user index %u.%u: " | |
4709 | "staged scaling request for %ux%u->%ux%u scaler_users = 0x%x\n", | |
4710 | intel_crtc->pipe, scaler_user, src_w, src_h, dst_w, dst_h, | |
4711 | scaler_state->scaler_users); | |
4712 | ||
4713 | return 0; | |
4714 | } | |
4715 | ||
4716 | /** | |
4717 | * skl_update_scaler_crtc - Stages update to scaler state for a given crtc. | |
4718 | * | |
4719 | * @state: crtc's scaler state | |
86adf9d7 ML |
4720 | * |
4721 | * Return | |
4722 | * 0 - scaler_usage updated successfully | |
4723 | * error - requested scaling cannot be supported or other error condition | |
4724 | */ | |
e435d6e5 | 4725 | int skl_update_scaler_crtc(struct intel_crtc_state *state) |
86adf9d7 ML |
4726 | { |
4727 | struct intel_crtc *intel_crtc = to_intel_crtc(state->base.crtc); | |
7c5f93b0 | 4728 | const struct drm_display_mode *adjusted_mode = &state->base.adjusted_mode; |
86adf9d7 | 4729 | |
78108b7c VS |
4730 | DRM_DEBUG_KMS("Updating scaler for [CRTC:%d:%s] scaler_user index %u.%u\n", |
4731 | intel_crtc->base.base.id, intel_crtc->base.name, | |
4732 | intel_crtc->pipe, SKL_CRTC_INDEX); | |
86adf9d7 | 4733 | |
e435d6e5 | 4734 | return skl_update_scaler(state, !state->base.active, SKL_CRTC_INDEX, |
31ad61e4 | 4735 | &state->scaler_state.scaler_id, DRM_ROTATE_0, |
86adf9d7 | 4736 | state->pipe_src_w, state->pipe_src_h, |
aad941d5 | 4737 | adjusted_mode->crtc_hdisplay, adjusted_mode->crtc_vdisplay); |
86adf9d7 ML |
4738 | } |
4739 | ||
4740 | /** | |
4741 | * skl_update_scaler_plane - Stages update to scaler state for a given plane. | |
4742 | * | |
4743 | * @state: crtc's scaler state | |
86adf9d7 ML |
4744 | * @plane_state: atomic plane state to update |
4745 | * | |
4746 | * Return | |
4747 | * 0 - scaler_usage updated successfully | |
4748 | * error - requested scaling cannot be supported or other error condition | |
4749 | */ | |
da20eabd ML |
4750 | static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state, |
4751 | struct intel_plane_state *plane_state) | |
86adf9d7 ML |
4752 | { |
4753 | ||
4754 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); | |
da20eabd ML |
4755 | struct intel_plane *intel_plane = |
4756 | to_intel_plane(plane_state->base.plane); | |
86adf9d7 ML |
4757 | struct drm_framebuffer *fb = plane_state->base.fb; |
4758 | int ret; | |
4759 | ||
936e71e3 | 4760 | bool force_detach = !fb || !plane_state->base.visible; |
86adf9d7 | 4761 | |
72660ce0 VS |
4762 | DRM_DEBUG_KMS("Updating scaler for [PLANE:%d:%s] scaler_user index %u.%u\n", |
4763 | intel_plane->base.base.id, intel_plane->base.name, | |
4764 | intel_crtc->pipe, drm_plane_index(&intel_plane->base)); | |
86adf9d7 ML |
4765 | |
4766 | ret = skl_update_scaler(crtc_state, force_detach, | |
4767 | drm_plane_index(&intel_plane->base), | |
4768 | &plane_state->scaler_id, | |
4769 | plane_state->base.rotation, | |
936e71e3 VS |
4770 | drm_rect_width(&plane_state->base.src) >> 16, |
4771 | drm_rect_height(&plane_state->base.src) >> 16, | |
4772 | drm_rect_width(&plane_state->base.dst), | |
4773 | drm_rect_height(&plane_state->base.dst)); | |
86adf9d7 ML |
4774 | |
4775 | if (ret || plane_state->scaler_id < 0) | |
4776 | return ret; | |
4777 | ||
a1b2278e | 4778 | /* check colorkey */ |
818ed961 | 4779 | if (plane_state->ckey.flags != I915_SET_COLORKEY_NONE) { |
72660ce0 VS |
4780 | DRM_DEBUG_KMS("[PLANE:%d:%s] scaling with color key not allowed", |
4781 | intel_plane->base.base.id, | |
4782 | intel_plane->base.name); | |
a1b2278e CK |
4783 | return -EINVAL; |
4784 | } | |
4785 | ||
4786 | /* Check src format */ | |
86adf9d7 ML |
4787 | switch (fb->pixel_format) { |
4788 | case DRM_FORMAT_RGB565: | |
4789 | case DRM_FORMAT_XBGR8888: | |
4790 | case DRM_FORMAT_XRGB8888: | |
4791 | case DRM_FORMAT_ABGR8888: | |
4792 | case DRM_FORMAT_ARGB8888: | |
4793 | case DRM_FORMAT_XRGB2101010: | |
4794 | case DRM_FORMAT_XBGR2101010: | |
4795 | case DRM_FORMAT_YUYV: | |
4796 | case DRM_FORMAT_YVYU: | |
4797 | case DRM_FORMAT_UYVY: | |
4798 | case DRM_FORMAT_VYUY: | |
4799 | break; | |
4800 | default: | |
72660ce0 VS |
4801 | DRM_DEBUG_KMS("[PLANE:%d:%s] FB:%d unsupported scaling format 0x%x\n", |
4802 | intel_plane->base.base.id, intel_plane->base.name, | |
4803 | fb->base.id, fb->pixel_format); | |
86adf9d7 | 4804 | return -EINVAL; |
a1b2278e CK |
4805 | } |
4806 | ||
a1b2278e CK |
4807 | return 0; |
4808 | } | |
4809 | ||
e435d6e5 ML |
4810 | static void skylake_scaler_disable(struct intel_crtc *crtc) |
4811 | { | |
4812 | int i; | |
4813 | ||
4814 | for (i = 0; i < crtc->num_scalers; i++) | |
4815 | skl_detach_scaler(crtc, i); | |
4816 | } | |
4817 | ||
4818 | static void skylake_pfit_enable(struct intel_crtc *crtc) | |
bd2e244f JB |
4819 | { |
4820 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 4821 | struct drm_i915_private *dev_priv = to_i915(dev); |
bd2e244f | 4822 | int pipe = crtc->pipe; |
a1b2278e CK |
4823 | struct intel_crtc_scaler_state *scaler_state = |
4824 | &crtc->config->scaler_state; | |
4825 | ||
4826 | DRM_DEBUG_KMS("for crtc_state = %p\n", crtc->config); | |
4827 | ||
6e3c9717 | 4828 | if (crtc->config->pch_pfit.enabled) { |
a1b2278e CK |
4829 | int id; |
4830 | ||
4831 | if (WARN_ON(crtc->config->scaler_state.scaler_id < 0)) { | |
4832 | DRM_ERROR("Requesting pfit without getting a scaler first\n"); | |
4833 | return; | |
4834 | } | |
4835 | ||
4836 | id = scaler_state->scaler_id; | |
4837 | I915_WRITE(SKL_PS_CTRL(pipe, id), PS_SCALER_EN | | |
4838 | PS_FILTER_MEDIUM | scaler_state->scalers[id].mode); | |
4839 | I915_WRITE(SKL_PS_WIN_POS(pipe, id), crtc->config->pch_pfit.pos); | |
4840 | I915_WRITE(SKL_PS_WIN_SZ(pipe, id), crtc->config->pch_pfit.size); | |
4841 | ||
4842 | DRM_DEBUG_KMS("for crtc_state = %p scaler_id = %d\n", crtc->config, id); | |
bd2e244f JB |
4843 | } |
4844 | } | |
4845 | ||
b074cec8 JB |
4846 | static void ironlake_pfit_enable(struct intel_crtc *crtc) |
4847 | { | |
4848 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 4849 | struct drm_i915_private *dev_priv = to_i915(dev); |
b074cec8 JB |
4850 | int pipe = crtc->pipe; |
4851 | ||
6e3c9717 | 4852 | if (crtc->config->pch_pfit.enabled) { |
b074cec8 JB |
4853 | /* Force use of hard-coded filter coefficients |
4854 | * as some pre-programmed values are broken, | |
4855 | * e.g. x201. | |
4856 | */ | |
4857 | if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) | |
4858 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | | |
4859 | PF_PIPE_SEL_IVB(pipe)); | |
4860 | else | |
4861 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); | |
6e3c9717 ACO |
4862 | I915_WRITE(PF_WIN_POS(pipe), crtc->config->pch_pfit.pos); |
4863 | I915_WRITE(PF_WIN_SZ(pipe), crtc->config->pch_pfit.size); | |
d4270e57 JB |
4864 | } |
4865 | } | |
4866 | ||
20bc8673 | 4867 | void hsw_enable_ips(struct intel_crtc *crtc) |
d77e4531 | 4868 | { |
cea165c3 | 4869 | struct drm_device *dev = crtc->base.dev; |
fac5e23e | 4870 | struct drm_i915_private *dev_priv = to_i915(dev); |
d77e4531 | 4871 | |
6e3c9717 | 4872 | if (!crtc->config->ips_enabled) |
d77e4531 PZ |
4873 | return; |
4874 | ||
307e4498 ML |
4875 | /* |
4876 | * We can only enable IPS after we enable a plane and wait for a vblank | |
4877 | * This function is called from post_plane_update, which is run after | |
4878 | * a vblank wait. | |
4879 | */ | |
cea165c3 | 4880 | |
d77e4531 | 4881 | assert_plane_enabled(dev_priv, crtc->plane); |
cea165c3 | 4882 | if (IS_BROADWELL(dev)) { |
2a114cc1 BW |
4883 | mutex_lock(&dev_priv->rps.hw_lock); |
4884 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0xc0000000)); | |
4885 | mutex_unlock(&dev_priv->rps.hw_lock); | |
4886 | /* Quoting Art Runyan: "its not safe to expect any particular | |
4887 | * value in IPS_CTL bit 31 after enabling IPS through the | |
e59150dc JB |
4888 | * mailbox." Moreover, the mailbox may return a bogus state, |
4889 | * so we need to just enable it and continue on. | |
2a114cc1 BW |
4890 | */ |
4891 | } else { | |
4892 | I915_WRITE(IPS_CTL, IPS_ENABLE); | |
4893 | /* The bit only becomes 1 in the next vblank, so this wait here | |
4894 | * is essentially intel_wait_for_vblank. If we don't have this | |
4895 | * and don't wait for vblanks until the end of crtc_enable, then | |
4896 | * the HW state readout code will complain that the expected | |
4897 | * IPS_CTL value is not the one we read. */ | |
2ec9ba3c CW |
4898 | if (intel_wait_for_register(dev_priv, |
4899 | IPS_CTL, IPS_ENABLE, IPS_ENABLE, | |
4900 | 50)) | |
2a114cc1 BW |
4901 | DRM_ERROR("Timed out waiting for IPS enable\n"); |
4902 | } | |
d77e4531 PZ |
4903 | } |
4904 | ||
20bc8673 | 4905 | void hsw_disable_ips(struct intel_crtc *crtc) |
d77e4531 PZ |
4906 | { |
4907 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 4908 | struct drm_i915_private *dev_priv = to_i915(dev); |
d77e4531 | 4909 | |
6e3c9717 | 4910 | if (!crtc->config->ips_enabled) |
d77e4531 PZ |
4911 | return; |
4912 | ||
4913 | assert_plane_enabled(dev_priv, crtc->plane); | |
23d0b130 | 4914 | if (IS_BROADWELL(dev)) { |
2a114cc1 BW |
4915 | mutex_lock(&dev_priv->rps.hw_lock); |
4916 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0)); | |
4917 | mutex_unlock(&dev_priv->rps.hw_lock); | |
23d0b130 | 4918 | /* wait for pcode to finish disabling IPS, which may take up to 42ms */ |
b85c1ecf CW |
4919 | if (intel_wait_for_register(dev_priv, |
4920 | IPS_CTL, IPS_ENABLE, 0, | |
4921 | 42)) | |
23d0b130 | 4922 | DRM_ERROR("Timed out waiting for IPS disable\n"); |
e59150dc | 4923 | } else { |
2a114cc1 | 4924 | I915_WRITE(IPS_CTL, 0); |
e59150dc JB |
4925 | POSTING_READ(IPS_CTL); |
4926 | } | |
d77e4531 PZ |
4927 | |
4928 | /* We need to wait for a vblank before we can disable the plane. */ | |
4929 | intel_wait_for_vblank(dev, crtc->pipe); | |
4930 | } | |
4931 | ||
7cac945f | 4932 | static void intel_crtc_dpms_overlay_disable(struct intel_crtc *intel_crtc) |
d3eedb1a | 4933 | { |
7cac945f | 4934 | if (intel_crtc->overlay) { |
d3eedb1a | 4935 | struct drm_device *dev = intel_crtc->base.dev; |
fac5e23e | 4936 | struct drm_i915_private *dev_priv = to_i915(dev); |
d3eedb1a VS |
4937 | |
4938 | mutex_lock(&dev->struct_mutex); | |
4939 | dev_priv->mm.interruptible = false; | |
4940 | (void) intel_overlay_switch_off(intel_crtc->overlay); | |
4941 | dev_priv->mm.interruptible = true; | |
4942 | mutex_unlock(&dev->struct_mutex); | |
4943 | } | |
4944 | ||
4945 | /* Let userspace switch the overlay on again. In most cases userspace | |
4946 | * has to recompute where to put it anyway. | |
4947 | */ | |
4948 | } | |
4949 | ||
87d4300a ML |
4950 | /** |
4951 | * intel_post_enable_primary - Perform operations after enabling primary plane | |
4952 | * @crtc: the CRTC whose primary plane was just enabled | |
4953 | * | |
4954 | * Performs potentially sleeping operations that must be done after the primary | |
4955 | * plane is enabled, such as updating FBC and IPS. Note that this may be | |
4956 | * called due to an explicit primary plane update, or due to an implicit | |
4957 | * re-enable that is caused when a sprite plane is updated to no longer | |
4958 | * completely hide the primary plane. | |
4959 | */ | |
4960 | static void | |
4961 | intel_post_enable_primary(struct drm_crtc *crtc) | |
a5c4d7bc VS |
4962 | { |
4963 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 4964 | struct drm_i915_private *dev_priv = to_i915(dev); |
a5c4d7bc VS |
4965 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4966 | int pipe = intel_crtc->pipe; | |
a5c4d7bc | 4967 | |
87d4300a ML |
4968 | /* |
4969 | * FIXME IPS should be fine as long as one plane is | |
4970 | * enabled, but in practice it seems to have problems | |
4971 | * when going from primary only to sprite only and vice | |
4972 | * versa. | |
4973 | */ | |
a5c4d7bc VS |
4974 | hsw_enable_ips(intel_crtc); |
4975 | ||
f99d7069 | 4976 | /* |
87d4300a ML |
4977 | * Gen2 reports pipe underruns whenever all planes are disabled. |
4978 | * So don't enable underrun reporting before at least some planes | |
4979 | * are enabled. | |
4980 | * FIXME: Need to fix the logic to work when we turn off all planes | |
4981 | * but leave the pipe running. | |
f99d7069 | 4982 | */ |
87d4300a ML |
4983 | if (IS_GEN2(dev)) |
4984 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); | |
4985 | ||
aca7b684 VS |
4986 | /* Underruns don't always raise interrupts, so check manually. */ |
4987 | intel_check_cpu_fifo_underruns(dev_priv); | |
4988 | intel_check_pch_fifo_underruns(dev_priv); | |
a5c4d7bc VS |
4989 | } |
4990 | ||
2622a081 | 4991 | /* FIXME move all this to pre_plane_update() with proper state tracking */ |
87d4300a ML |
4992 | static void |
4993 | intel_pre_disable_primary(struct drm_crtc *crtc) | |
a5c4d7bc VS |
4994 | { |
4995 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 4996 | struct drm_i915_private *dev_priv = to_i915(dev); |
a5c4d7bc VS |
4997 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4998 | int pipe = intel_crtc->pipe; | |
a5c4d7bc | 4999 | |
87d4300a ML |
5000 | /* |
5001 | * Gen2 reports pipe underruns whenever all planes are disabled. | |
5002 | * So diasble underrun reporting before all the planes get disabled. | |
5003 | * FIXME: Need to fix the logic to work when we turn off all planes | |
5004 | * but leave the pipe running. | |
5005 | */ | |
5006 | if (IS_GEN2(dev)) | |
5007 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); | |
a5c4d7bc | 5008 | |
2622a081 VS |
5009 | /* |
5010 | * FIXME IPS should be fine as long as one plane is | |
5011 | * enabled, but in practice it seems to have problems | |
5012 | * when going from primary only to sprite only and vice | |
5013 | * versa. | |
5014 | */ | |
5015 | hsw_disable_ips(intel_crtc); | |
5016 | } | |
5017 | ||
5018 | /* FIXME get rid of this and use pre_plane_update */ | |
5019 | static void | |
5020 | intel_pre_disable_primary_noatomic(struct drm_crtc *crtc) | |
5021 | { | |
5022 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 5023 | struct drm_i915_private *dev_priv = to_i915(dev); |
2622a081 VS |
5024 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5025 | int pipe = intel_crtc->pipe; | |
5026 | ||
5027 | intel_pre_disable_primary(crtc); | |
5028 | ||
87d4300a ML |
5029 | /* |
5030 | * Vblank time updates from the shadow to live plane control register | |
5031 | * are blocked if the memory self-refresh mode is active at that | |
5032 | * moment. So to make sure the plane gets truly disabled, disable | |
5033 | * first the self-refresh mode. The self-refresh enable bit in turn | |
5034 | * will be checked/applied by the HW only at the next frame start | |
5035 | * event which is after the vblank start event, so we need to have a | |
5036 | * wait-for-vblank between disabling the plane and the pipe. | |
5037 | */ | |
262cd2e1 | 5038 | if (HAS_GMCH_DISPLAY(dev)) { |
87d4300a | 5039 | intel_set_memory_cxsr(dev_priv, false); |
262cd2e1 VS |
5040 | dev_priv->wm.vlv.cxsr = false; |
5041 | intel_wait_for_vblank(dev, pipe); | |
5042 | } | |
87d4300a ML |
5043 | } |
5044 | ||
5a21b665 DV |
5045 | static void intel_post_plane_update(struct intel_crtc_state *old_crtc_state) |
5046 | { | |
5047 | struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc); | |
5048 | struct drm_atomic_state *old_state = old_crtc_state->base.state; | |
5049 | struct intel_crtc_state *pipe_config = | |
5050 | to_intel_crtc_state(crtc->base.state); | |
5a21b665 DV |
5051 | struct drm_plane *primary = crtc->base.primary; |
5052 | struct drm_plane_state *old_pri_state = | |
5053 | drm_atomic_get_existing_plane_state(old_state, primary); | |
5054 | ||
5748b6a1 | 5055 | intel_frontbuffer_flip(to_i915(crtc->base.dev), pipe_config->fb_bits); |
5a21b665 DV |
5056 | |
5057 | crtc->wm.cxsr_allowed = true; | |
5058 | ||
5059 | if (pipe_config->update_wm_post && pipe_config->base.active) | |
5060 | intel_update_watermarks(&crtc->base); | |
5061 | ||
5062 | if (old_pri_state) { | |
5063 | struct intel_plane_state *primary_state = | |
5064 | to_intel_plane_state(primary->state); | |
5065 | struct intel_plane_state *old_primary_state = | |
5066 | to_intel_plane_state(old_pri_state); | |
5067 | ||
5068 | intel_fbc_post_update(crtc); | |
5069 | ||
936e71e3 | 5070 | if (primary_state->base.visible && |
5a21b665 | 5071 | (needs_modeset(&pipe_config->base) || |
936e71e3 | 5072 | !old_primary_state->base.visible)) |
5a21b665 DV |
5073 | intel_post_enable_primary(&crtc->base); |
5074 | } | |
5075 | } | |
5076 | ||
5c74cd73 | 5077 | static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state) |
ac21b225 | 5078 | { |
5c74cd73 | 5079 | struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc); |
ac21b225 | 5080 | struct drm_device *dev = crtc->base.dev; |
fac5e23e | 5081 | struct drm_i915_private *dev_priv = to_i915(dev); |
ab1d3a0e ML |
5082 | struct intel_crtc_state *pipe_config = |
5083 | to_intel_crtc_state(crtc->base.state); | |
5c74cd73 ML |
5084 | struct drm_atomic_state *old_state = old_crtc_state->base.state; |
5085 | struct drm_plane *primary = crtc->base.primary; | |
5086 | struct drm_plane_state *old_pri_state = | |
5087 | drm_atomic_get_existing_plane_state(old_state, primary); | |
5088 | bool modeset = needs_modeset(&pipe_config->base); | |
ac21b225 | 5089 | |
5c74cd73 ML |
5090 | if (old_pri_state) { |
5091 | struct intel_plane_state *primary_state = | |
5092 | to_intel_plane_state(primary->state); | |
5093 | struct intel_plane_state *old_primary_state = | |
5094 | to_intel_plane_state(old_pri_state); | |
5095 | ||
faf68d92 | 5096 | intel_fbc_pre_update(crtc, pipe_config, primary_state); |
31ae71fc | 5097 | |
936e71e3 VS |
5098 | if (old_primary_state->base.visible && |
5099 | (modeset || !primary_state->base.visible)) | |
5c74cd73 ML |
5100 | intel_pre_disable_primary(&crtc->base); |
5101 | } | |
852eb00d | 5102 | |
a4015f9a | 5103 | if (pipe_config->disable_cxsr && HAS_GMCH_DISPLAY(dev)) { |
852eb00d | 5104 | crtc->wm.cxsr_allowed = false; |
2dfd178d | 5105 | |
2622a081 VS |
5106 | /* |
5107 | * Vblank time updates from the shadow to live plane control register | |
5108 | * are blocked if the memory self-refresh mode is active at that | |
5109 | * moment. So to make sure the plane gets truly disabled, disable | |
5110 | * first the self-refresh mode. The self-refresh enable bit in turn | |
5111 | * will be checked/applied by the HW only at the next frame start | |
5112 | * event which is after the vblank start event, so we need to have a | |
5113 | * wait-for-vblank between disabling the plane and the pipe. | |
5114 | */ | |
5115 | if (old_crtc_state->base.active) { | |
2dfd178d | 5116 | intel_set_memory_cxsr(dev_priv, false); |
2622a081 VS |
5117 | dev_priv->wm.vlv.cxsr = false; |
5118 | intel_wait_for_vblank(dev, crtc->pipe); | |
5119 | } | |
852eb00d | 5120 | } |
92826fcd | 5121 | |
ed4a6a7c MR |
5122 | /* |
5123 | * IVB workaround: must disable low power watermarks for at least | |
5124 | * one frame before enabling scaling. LP watermarks can be re-enabled | |
5125 | * when scaling is disabled. | |
5126 | * | |
5127 | * WaCxSRDisabledForSpriteScaling:ivb | |
5128 | */ | |
5129 | if (pipe_config->disable_lp_wm) { | |
5130 | ilk_disable_lp_wm(dev); | |
5131 | intel_wait_for_vblank(dev, crtc->pipe); | |
5132 | } | |
5133 | ||
5134 | /* | |
5135 | * If we're doing a modeset, we're done. No need to do any pre-vblank | |
5136 | * watermark programming here. | |
5137 | */ | |
5138 | if (needs_modeset(&pipe_config->base)) | |
5139 | return; | |
5140 | ||
5141 | /* | |
5142 | * For platforms that support atomic watermarks, program the | |
5143 | * 'intermediate' watermarks immediately. On pre-gen9 platforms, these | |
5144 | * will be the intermediate values that are safe for both pre- and | |
5145 | * post- vblank; when vblank happens, the 'active' values will be set | |
5146 | * to the final 'target' values and we'll do this again to get the | |
5147 | * optimal watermarks. For gen9+ platforms, the values we program here | |
5148 | * will be the final target values which will get automatically latched | |
5149 | * at vblank time; no further programming will be necessary. | |
5150 | * | |
5151 | * If a platform hasn't been transitioned to atomic watermarks yet, | |
5152 | * we'll continue to update watermarks the old way, if flags tell | |
5153 | * us to. | |
5154 | */ | |
5155 | if (dev_priv->display.initial_watermarks != NULL) | |
5156 | dev_priv->display.initial_watermarks(pipe_config); | |
caed361d | 5157 | else if (pipe_config->update_wm_pre) |
92826fcd | 5158 | intel_update_watermarks(&crtc->base); |
ac21b225 ML |
5159 | } |
5160 | ||
d032ffa0 | 5161 | static void intel_crtc_disable_planes(struct drm_crtc *crtc, unsigned plane_mask) |
87d4300a ML |
5162 | { |
5163 | struct drm_device *dev = crtc->dev; | |
5164 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
d032ffa0 | 5165 | struct drm_plane *p; |
87d4300a ML |
5166 | int pipe = intel_crtc->pipe; |
5167 | ||
7cac945f | 5168 | intel_crtc_dpms_overlay_disable(intel_crtc); |
27321ae8 | 5169 | |
d032ffa0 ML |
5170 | drm_for_each_plane_mask(p, dev, plane_mask) |
5171 | to_intel_plane(p)->disable_plane(p, crtc); | |
f98551ae | 5172 | |
f99d7069 DV |
5173 | /* |
5174 | * FIXME: Once we grow proper nuclear flip support out of this we need | |
5175 | * to compute the mask of flip planes precisely. For the time being | |
5176 | * consider this a flip to a NULL plane. | |
5177 | */ | |
5748b6a1 | 5178 | intel_frontbuffer_flip(to_i915(dev), INTEL_FRONTBUFFER_ALL_MASK(pipe)); |
a5c4d7bc VS |
5179 | } |
5180 | ||
fb1c98b1 | 5181 | static void intel_encoders_pre_pll_enable(struct drm_crtc *crtc, |
fd6bbda9 | 5182 | struct intel_crtc_state *crtc_state, |
fb1c98b1 ML |
5183 | struct drm_atomic_state *old_state) |
5184 | { | |
5185 | struct drm_connector_state *old_conn_state; | |
5186 | struct drm_connector *conn; | |
5187 | int i; | |
5188 | ||
5189 | for_each_connector_in_state(old_state, conn, old_conn_state, i) { | |
5190 | struct drm_connector_state *conn_state = conn->state; | |
5191 | struct intel_encoder *encoder = | |
5192 | to_intel_encoder(conn_state->best_encoder); | |
5193 | ||
5194 | if (conn_state->crtc != crtc) | |
5195 | continue; | |
5196 | ||
5197 | if (encoder->pre_pll_enable) | |
fd6bbda9 | 5198 | encoder->pre_pll_enable(encoder, crtc_state, conn_state); |
fb1c98b1 ML |
5199 | } |
5200 | } | |
5201 | ||
5202 | static void intel_encoders_pre_enable(struct drm_crtc *crtc, | |
fd6bbda9 | 5203 | struct intel_crtc_state *crtc_state, |
fb1c98b1 ML |
5204 | struct drm_atomic_state *old_state) |
5205 | { | |
5206 | struct drm_connector_state *old_conn_state; | |
5207 | struct drm_connector *conn; | |
5208 | int i; | |
5209 | ||
5210 | for_each_connector_in_state(old_state, conn, old_conn_state, i) { | |
5211 | struct drm_connector_state *conn_state = conn->state; | |
5212 | struct intel_encoder *encoder = | |
5213 | to_intel_encoder(conn_state->best_encoder); | |
5214 | ||
5215 | if (conn_state->crtc != crtc) | |
5216 | continue; | |
5217 | ||
5218 | if (encoder->pre_enable) | |
fd6bbda9 | 5219 | encoder->pre_enable(encoder, crtc_state, conn_state); |
fb1c98b1 ML |
5220 | } |
5221 | } | |
5222 | ||
5223 | static void intel_encoders_enable(struct drm_crtc *crtc, | |
fd6bbda9 | 5224 | struct intel_crtc_state *crtc_state, |
fb1c98b1 ML |
5225 | struct drm_atomic_state *old_state) |
5226 | { | |
5227 | struct drm_connector_state *old_conn_state; | |
5228 | struct drm_connector *conn; | |
5229 | int i; | |
5230 | ||
5231 | for_each_connector_in_state(old_state, conn, old_conn_state, i) { | |
5232 | struct drm_connector_state *conn_state = conn->state; | |
5233 | struct intel_encoder *encoder = | |
5234 | to_intel_encoder(conn_state->best_encoder); | |
5235 | ||
5236 | if (conn_state->crtc != crtc) | |
5237 | continue; | |
5238 | ||
fd6bbda9 | 5239 | encoder->enable(encoder, crtc_state, conn_state); |
fb1c98b1 ML |
5240 | intel_opregion_notify_encoder(encoder, true); |
5241 | } | |
5242 | } | |
5243 | ||
5244 | static void intel_encoders_disable(struct drm_crtc *crtc, | |
fd6bbda9 | 5245 | struct intel_crtc_state *old_crtc_state, |
fb1c98b1 ML |
5246 | struct drm_atomic_state *old_state) |
5247 | { | |
5248 | struct drm_connector_state *old_conn_state; | |
5249 | struct drm_connector *conn; | |
5250 | int i; | |
5251 | ||
5252 | for_each_connector_in_state(old_state, conn, old_conn_state, i) { | |
5253 | struct intel_encoder *encoder = | |
5254 | to_intel_encoder(old_conn_state->best_encoder); | |
5255 | ||
5256 | if (old_conn_state->crtc != crtc) | |
5257 | continue; | |
5258 | ||
5259 | intel_opregion_notify_encoder(encoder, false); | |
fd6bbda9 | 5260 | encoder->disable(encoder, old_crtc_state, old_conn_state); |
fb1c98b1 ML |
5261 | } |
5262 | } | |
5263 | ||
5264 | static void intel_encoders_post_disable(struct drm_crtc *crtc, | |
fd6bbda9 | 5265 | struct intel_crtc_state *old_crtc_state, |
fb1c98b1 ML |
5266 | struct drm_atomic_state *old_state) |
5267 | { | |
5268 | struct drm_connector_state *old_conn_state; | |
5269 | struct drm_connector *conn; | |
5270 | int i; | |
5271 | ||
5272 | for_each_connector_in_state(old_state, conn, old_conn_state, i) { | |
5273 | struct intel_encoder *encoder = | |
5274 | to_intel_encoder(old_conn_state->best_encoder); | |
5275 | ||
5276 | if (old_conn_state->crtc != crtc) | |
5277 | continue; | |
5278 | ||
5279 | if (encoder->post_disable) | |
fd6bbda9 | 5280 | encoder->post_disable(encoder, old_crtc_state, old_conn_state); |
fb1c98b1 ML |
5281 | } |
5282 | } | |
5283 | ||
5284 | static void intel_encoders_post_pll_disable(struct drm_crtc *crtc, | |
fd6bbda9 | 5285 | struct intel_crtc_state *old_crtc_state, |
fb1c98b1 ML |
5286 | struct drm_atomic_state *old_state) |
5287 | { | |
5288 | struct drm_connector_state *old_conn_state; | |
5289 | struct drm_connector *conn; | |
5290 | int i; | |
5291 | ||
5292 | for_each_connector_in_state(old_state, conn, old_conn_state, i) { | |
5293 | struct intel_encoder *encoder = | |
5294 | to_intel_encoder(old_conn_state->best_encoder); | |
5295 | ||
5296 | if (old_conn_state->crtc != crtc) | |
5297 | continue; | |
5298 | ||
5299 | if (encoder->post_pll_disable) | |
fd6bbda9 | 5300 | encoder->post_pll_disable(encoder, old_crtc_state, old_conn_state); |
fb1c98b1 ML |
5301 | } |
5302 | } | |
5303 | ||
4a806558 ML |
5304 | static void ironlake_crtc_enable(struct intel_crtc_state *pipe_config, |
5305 | struct drm_atomic_state *old_state) | |
f67a559d | 5306 | { |
4a806558 | 5307 | struct drm_crtc *crtc = pipe_config->base.crtc; |
f67a559d | 5308 | struct drm_device *dev = crtc->dev; |
fac5e23e | 5309 | struct drm_i915_private *dev_priv = to_i915(dev); |
f67a559d JB |
5310 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5311 | int pipe = intel_crtc->pipe; | |
f67a559d | 5312 | |
53d9f4e9 | 5313 | if (WARN_ON(intel_crtc->active)) |
f67a559d JB |
5314 | return; |
5315 | ||
b2c0593a VS |
5316 | /* |
5317 | * Sometimes spurious CPU pipe underruns happen during FDI | |
5318 | * training, at least with VGA+HDMI cloning. Suppress them. | |
5319 | * | |
5320 | * On ILK we get an occasional spurious CPU pipe underruns | |
5321 | * between eDP port A enable and vdd enable. Also PCH port | |
5322 | * enable seems to result in the occasional CPU pipe underrun. | |
5323 | * | |
5324 | * Spurious PCH underruns also occur during PCH enabling. | |
5325 | */ | |
5326 | if (intel_crtc->config->has_pch_encoder || IS_GEN5(dev_priv)) | |
5327 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); | |
81b088ca VS |
5328 | if (intel_crtc->config->has_pch_encoder) |
5329 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, false); | |
5330 | ||
6e3c9717 | 5331 | if (intel_crtc->config->has_pch_encoder) |
b14b1055 DV |
5332 | intel_prepare_shared_dpll(intel_crtc); |
5333 | ||
37a5650b | 5334 | if (intel_crtc_has_dp_encoder(intel_crtc->config)) |
fe3cd48d | 5335 | intel_dp_set_m_n(intel_crtc, M1_N1); |
29407aab DV |
5336 | |
5337 | intel_set_pipe_timings(intel_crtc); | |
bc58be60 | 5338 | intel_set_pipe_src_size(intel_crtc); |
29407aab | 5339 | |
6e3c9717 | 5340 | if (intel_crtc->config->has_pch_encoder) { |
29407aab | 5341 | intel_cpu_transcoder_set_m_n(intel_crtc, |
6e3c9717 | 5342 | &intel_crtc->config->fdi_m_n, NULL); |
29407aab DV |
5343 | } |
5344 | ||
5345 | ironlake_set_pipeconf(crtc); | |
5346 | ||
f67a559d | 5347 | intel_crtc->active = true; |
8664281b | 5348 | |
fd6bbda9 | 5349 | intel_encoders_pre_enable(crtc, pipe_config, old_state); |
f67a559d | 5350 | |
6e3c9717 | 5351 | if (intel_crtc->config->has_pch_encoder) { |
fff367c7 DV |
5352 | /* Note: FDI PLL enabling _must_ be done before we enable the |
5353 | * cpu pipes, hence this is separate from all the other fdi/pch | |
5354 | * enabling. */ | |
88cefb6c | 5355 | ironlake_fdi_pll_enable(intel_crtc); |
46b6f814 DV |
5356 | } else { |
5357 | assert_fdi_tx_disabled(dev_priv, pipe); | |
5358 | assert_fdi_rx_disabled(dev_priv, pipe); | |
5359 | } | |
f67a559d | 5360 | |
b074cec8 | 5361 | ironlake_pfit_enable(intel_crtc); |
f67a559d | 5362 | |
9c54c0dd JB |
5363 | /* |
5364 | * On ILK+ LUT must be loaded before the pipe is running but with | |
5365 | * clocks enabled | |
5366 | */ | |
b95c5321 | 5367 | intel_color_load_luts(&pipe_config->base); |
9c54c0dd | 5368 | |
1d5bf5d9 ID |
5369 | if (dev_priv->display.initial_watermarks != NULL) |
5370 | dev_priv->display.initial_watermarks(intel_crtc->config); | |
e1fdc473 | 5371 | intel_enable_pipe(intel_crtc); |
f67a559d | 5372 | |
6e3c9717 | 5373 | if (intel_crtc->config->has_pch_encoder) |
f67a559d | 5374 | ironlake_pch_enable(crtc); |
c98e9dcf | 5375 | |
f9b61ff6 DV |
5376 | assert_vblank_disabled(crtc); |
5377 | drm_crtc_vblank_on(crtc); | |
5378 | ||
fd6bbda9 | 5379 | intel_encoders_enable(crtc, pipe_config, old_state); |
61b77ddd DV |
5380 | |
5381 | if (HAS_PCH_CPT(dev)) | |
a1520318 | 5382 | cpt_verify_modeset(dev, intel_crtc->pipe); |
37ca8d4c VS |
5383 | |
5384 | /* Must wait for vblank to avoid spurious PCH FIFO underruns */ | |
5385 | if (intel_crtc->config->has_pch_encoder) | |
5386 | intel_wait_for_vblank(dev, pipe); | |
b2c0593a | 5387 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
37ca8d4c | 5388 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, true); |
6be4a607 JB |
5389 | } |
5390 | ||
42db64ef PZ |
5391 | /* IPS only exists on ULT machines and is tied to pipe A. */ |
5392 | static bool hsw_crtc_supports_ips(struct intel_crtc *crtc) | |
5393 | { | |
f5adf94e | 5394 | return HAS_IPS(crtc->base.dev) && crtc->pipe == PIPE_A; |
42db64ef PZ |
5395 | } |
5396 | ||
4a806558 ML |
5397 | static void haswell_crtc_enable(struct intel_crtc_state *pipe_config, |
5398 | struct drm_atomic_state *old_state) | |
4f771f10 | 5399 | { |
4a806558 | 5400 | struct drm_crtc *crtc = pipe_config->base.crtc; |
4f771f10 | 5401 | struct drm_device *dev = crtc->dev; |
fac5e23e | 5402 | struct drm_i915_private *dev_priv = to_i915(dev); |
4f771f10 | 5403 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
99d736a2 | 5404 | int pipe = intel_crtc->pipe, hsw_workaround_pipe; |
4d1de975 | 5405 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
4f771f10 | 5406 | |
53d9f4e9 | 5407 | if (WARN_ON(intel_crtc->active)) |
4f771f10 PZ |
5408 | return; |
5409 | ||
81b088ca VS |
5410 | if (intel_crtc->config->has_pch_encoder) |
5411 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, | |
5412 | false); | |
5413 | ||
fd6bbda9 | 5414 | intel_encoders_pre_pll_enable(crtc, pipe_config, old_state); |
95a7a2ae | 5415 | |
8106ddbd | 5416 | if (intel_crtc->config->shared_dpll) |
df8ad70c DV |
5417 | intel_enable_shared_dpll(intel_crtc); |
5418 | ||
37a5650b | 5419 | if (intel_crtc_has_dp_encoder(intel_crtc->config)) |
fe3cd48d | 5420 | intel_dp_set_m_n(intel_crtc, M1_N1); |
229fca97 | 5421 | |
d7edc4e5 | 5422 | if (!transcoder_is_dsi(cpu_transcoder)) |
4d1de975 JN |
5423 | intel_set_pipe_timings(intel_crtc); |
5424 | ||
bc58be60 | 5425 | intel_set_pipe_src_size(intel_crtc); |
229fca97 | 5426 | |
4d1de975 JN |
5427 | if (cpu_transcoder != TRANSCODER_EDP && |
5428 | !transcoder_is_dsi(cpu_transcoder)) { | |
5429 | I915_WRITE(PIPE_MULT(cpu_transcoder), | |
6e3c9717 | 5430 | intel_crtc->config->pixel_multiplier - 1); |
ebb69c95 CT |
5431 | } |
5432 | ||
6e3c9717 | 5433 | if (intel_crtc->config->has_pch_encoder) { |
229fca97 | 5434 | intel_cpu_transcoder_set_m_n(intel_crtc, |
6e3c9717 | 5435 | &intel_crtc->config->fdi_m_n, NULL); |
229fca97 DV |
5436 | } |
5437 | ||
d7edc4e5 | 5438 | if (!transcoder_is_dsi(cpu_transcoder)) |
4d1de975 JN |
5439 | haswell_set_pipeconf(crtc); |
5440 | ||
391bf048 | 5441 | haswell_set_pipemisc(crtc); |
229fca97 | 5442 | |
b95c5321 | 5443 | intel_color_set_csc(&pipe_config->base); |
229fca97 | 5444 | |
4f771f10 | 5445 | intel_crtc->active = true; |
8664281b | 5446 | |
6b698516 DV |
5447 | if (intel_crtc->config->has_pch_encoder) |
5448 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); | |
5449 | else | |
5450 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); | |
5451 | ||
fd6bbda9 | 5452 | intel_encoders_pre_enable(crtc, pipe_config, old_state); |
4f771f10 | 5453 | |
d2d65408 | 5454 | if (intel_crtc->config->has_pch_encoder) |
4fe9467d | 5455 | dev_priv->display.fdi_link_train(crtc); |
4fe9467d | 5456 | |
d7edc4e5 | 5457 | if (!transcoder_is_dsi(cpu_transcoder)) |
7d4aefd0 | 5458 | intel_ddi_enable_pipe_clock(intel_crtc); |
4f771f10 | 5459 | |
1c132b44 | 5460 | if (INTEL_INFO(dev)->gen >= 9) |
e435d6e5 | 5461 | skylake_pfit_enable(intel_crtc); |
ff6d9f55 | 5462 | else |
1c132b44 | 5463 | ironlake_pfit_enable(intel_crtc); |
4f771f10 PZ |
5464 | |
5465 | /* | |
5466 | * On ILK+ LUT must be loaded before the pipe is running but with | |
5467 | * clocks enabled | |
5468 | */ | |
b95c5321 | 5469 | intel_color_load_luts(&pipe_config->base); |
4f771f10 | 5470 | |
1f544388 | 5471 | intel_ddi_set_pipe_settings(crtc); |
d7edc4e5 | 5472 | if (!transcoder_is_dsi(cpu_transcoder)) |
7d4aefd0 | 5473 | intel_ddi_enable_transcoder_func(crtc); |
4f771f10 | 5474 | |
1d5bf5d9 ID |
5475 | if (dev_priv->display.initial_watermarks != NULL) |
5476 | dev_priv->display.initial_watermarks(pipe_config); | |
5477 | else | |
5478 | intel_update_watermarks(crtc); | |
4d1de975 JN |
5479 | |
5480 | /* XXX: Do the pipe assertions at the right place for BXT DSI. */ | |
d7edc4e5 | 5481 | if (!transcoder_is_dsi(cpu_transcoder)) |
4d1de975 | 5482 | intel_enable_pipe(intel_crtc); |
42db64ef | 5483 | |
6e3c9717 | 5484 | if (intel_crtc->config->has_pch_encoder) |
1507e5bd | 5485 | lpt_pch_enable(crtc); |
4f771f10 | 5486 | |
a65347ba | 5487 | if (intel_crtc->config->dp_encoder_is_mst) |
0e32b39c DA |
5488 | intel_ddi_set_vc_payload_alloc(crtc, true); |
5489 | ||
f9b61ff6 DV |
5490 | assert_vblank_disabled(crtc); |
5491 | drm_crtc_vblank_on(crtc); | |
5492 | ||
fd6bbda9 | 5493 | intel_encoders_enable(crtc, pipe_config, old_state); |
4f771f10 | 5494 | |
6b698516 DV |
5495 | if (intel_crtc->config->has_pch_encoder) { |
5496 | intel_wait_for_vblank(dev, pipe); | |
5497 | intel_wait_for_vblank(dev, pipe); | |
5498 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); | |
d2d65408 VS |
5499 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, |
5500 | true); | |
6b698516 | 5501 | } |
d2d65408 | 5502 | |
e4916946 PZ |
5503 | /* If we change the relative order between pipe/planes enabling, we need |
5504 | * to change the workaround. */ | |
99d736a2 ML |
5505 | hsw_workaround_pipe = pipe_config->hsw_workaround_pipe; |
5506 | if (IS_HASWELL(dev) && hsw_workaround_pipe != INVALID_PIPE) { | |
5507 | intel_wait_for_vblank(dev, hsw_workaround_pipe); | |
5508 | intel_wait_for_vblank(dev, hsw_workaround_pipe); | |
5509 | } | |
4f771f10 PZ |
5510 | } |
5511 | ||
bfd16b2a | 5512 | static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force) |
3f8dce3a DV |
5513 | { |
5514 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 5515 | struct drm_i915_private *dev_priv = to_i915(dev); |
3f8dce3a DV |
5516 | int pipe = crtc->pipe; |
5517 | ||
5518 | /* To avoid upsetting the power well on haswell only disable the pfit if | |
5519 | * it's in use. The hw state code will make sure we get this right. */ | |
bfd16b2a | 5520 | if (force || crtc->config->pch_pfit.enabled) { |
3f8dce3a DV |
5521 | I915_WRITE(PF_CTL(pipe), 0); |
5522 | I915_WRITE(PF_WIN_POS(pipe), 0); | |
5523 | I915_WRITE(PF_WIN_SZ(pipe), 0); | |
5524 | } | |
5525 | } | |
5526 | ||
4a806558 ML |
5527 | static void ironlake_crtc_disable(struct intel_crtc_state *old_crtc_state, |
5528 | struct drm_atomic_state *old_state) | |
6be4a607 | 5529 | { |
4a806558 | 5530 | struct drm_crtc *crtc = old_crtc_state->base.crtc; |
6be4a607 | 5531 | struct drm_device *dev = crtc->dev; |
fac5e23e | 5532 | struct drm_i915_private *dev_priv = to_i915(dev); |
6be4a607 JB |
5533 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5534 | int pipe = intel_crtc->pipe; | |
b52eb4dc | 5535 | |
b2c0593a VS |
5536 | /* |
5537 | * Sometimes spurious CPU pipe underruns happen when the | |
5538 | * pipe is already disabled, but FDI RX/TX is still enabled. | |
5539 | * Happens at least with VGA+HDMI cloning. Suppress them. | |
5540 | */ | |
5541 | if (intel_crtc->config->has_pch_encoder) { | |
5542 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); | |
37ca8d4c | 5543 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, false); |
b2c0593a | 5544 | } |
37ca8d4c | 5545 | |
fd6bbda9 | 5546 | intel_encoders_disable(crtc, old_crtc_state, old_state); |
ea9d758d | 5547 | |
f9b61ff6 DV |
5548 | drm_crtc_vblank_off(crtc); |
5549 | assert_vblank_disabled(crtc); | |
5550 | ||
575f7ab7 | 5551 | intel_disable_pipe(intel_crtc); |
32f9d658 | 5552 | |
bfd16b2a | 5553 | ironlake_pfit_disable(intel_crtc, false); |
2c07245f | 5554 | |
b2c0593a | 5555 | if (intel_crtc->config->has_pch_encoder) |
5a74f70a VS |
5556 | ironlake_fdi_disable(crtc); |
5557 | ||
fd6bbda9 | 5558 | intel_encoders_post_disable(crtc, old_crtc_state, old_state); |
2c07245f | 5559 | |
6e3c9717 | 5560 | if (intel_crtc->config->has_pch_encoder) { |
d925c59a | 5561 | ironlake_disable_pch_transcoder(dev_priv, pipe); |
6be4a607 | 5562 | |
d925c59a | 5563 | if (HAS_PCH_CPT(dev)) { |
f0f59a00 VS |
5564 | i915_reg_t reg; |
5565 | u32 temp; | |
5566 | ||
d925c59a DV |
5567 | /* disable TRANS_DP_CTL */ |
5568 | reg = TRANS_DP_CTL(pipe); | |
5569 | temp = I915_READ(reg); | |
5570 | temp &= ~(TRANS_DP_OUTPUT_ENABLE | | |
5571 | TRANS_DP_PORT_SEL_MASK); | |
5572 | temp |= TRANS_DP_PORT_SEL_NONE; | |
5573 | I915_WRITE(reg, temp); | |
5574 | ||
5575 | /* disable DPLL_SEL */ | |
5576 | temp = I915_READ(PCH_DPLL_SEL); | |
11887397 | 5577 | temp &= ~(TRANS_DPLL_ENABLE(pipe) | TRANS_DPLLB_SEL(pipe)); |
d925c59a | 5578 | I915_WRITE(PCH_DPLL_SEL, temp); |
9db4a9c7 | 5579 | } |
e3421a18 | 5580 | |
d925c59a DV |
5581 | ironlake_fdi_pll_disable(intel_crtc); |
5582 | } | |
81b088ca | 5583 | |
b2c0593a | 5584 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
81b088ca | 5585 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, true); |
6be4a607 | 5586 | } |
1b3c7a47 | 5587 | |
4a806558 ML |
5588 | static void haswell_crtc_disable(struct intel_crtc_state *old_crtc_state, |
5589 | struct drm_atomic_state *old_state) | |
ee7b9f93 | 5590 | { |
4a806558 | 5591 | struct drm_crtc *crtc = old_crtc_state->base.crtc; |
4f771f10 | 5592 | struct drm_device *dev = crtc->dev; |
fac5e23e | 5593 | struct drm_i915_private *dev_priv = to_i915(dev); |
ee7b9f93 | 5594 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6e3c9717 | 5595 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
ee7b9f93 | 5596 | |
d2d65408 VS |
5597 | if (intel_crtc->config->has_pch_encoder) |
5598 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, | |
5599 | false); | |
5600 | ||
fd6bbda9 | 5601 | intel_encoders_disable(crtc, old_crtc_state, old_state); |
4f771f10 | 5602 | |
f9b61ff6 DV |
5603 | drm_crtc_vblank_off(crtc); |
5604 | assert_vblank_disabled(crtc); | |
5605 | ||
4d1de975 | 5606 | /* XXX: Do the pipe assertions at the right place for BXT DSI. */ |
d7edc4e5 | 5607 | if (!transcoder_is_dsi(cpu_transcoder)) |
4d1de975 | 5608 | intel_disable_pipe(intel_crtc); |
4f771f10 | 5609 | |
6e3c9717 | 5610 | if (intel_crtc->config->dp_encoder_is_mst) |
a4bf214f VS |
5611 | intel_ddi_set_vc_payload_alloc(crtc, false); |
5612 | ||
d7edc4e5 | 5613 | if (!transcoder_is_dsi(cpu_transcoder)) |
7d4aefd0 | 5614 | intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder); |
4f771f10 | 5615 | |
1c132b44 | 5616 | if (INTEL_INFO(dev)->gen >= 9) |
e435d6e5 | 5617 | skylake_scaler_disable(intel_crtc); |
ff6d9f55 | 5618 | else |
bfd16b2a | 5619 | ironlake_pfit_disable(intel_crtc, false); |
4f771f10 | 5620 | |
d7edc4e5 | 5621 | if (!transcoder_is_dsi(cpu_transcoder)) |
7d4aefd0 | 5622 | intel_ddi_disable_pipe_clock(intel_crtc); |
4f771f10 | 5623 | |
fd6bbda9 | 5624 | intel_encoders_post_disable(crtc, old_crtc_state, old_state); |
81b088ca | 5625 | |
b7076546 | 5626 | if (old_crtc_state->has_pch_encoder) |
81b088ca VS |
5627 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, |
5628 | true); | |
4f771f10 PZ |
5629 | } |
5630 | ||
2dd24552 JB |
5631 | static void i9xx_pfit_enable(struct intel_crtc *crtc) |
5632 | { | |
5633 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 5634 | struct drm_i915_private *dev_priv = to_i915(dev); |
6e3c9717 | 5635 | struct intel_crtc_state *pipe_config = crtc->config; |
2dd24552 | 5636 | |
681a8504 | 5637 | if (!pipe_config->gmch_pfit.control) |
2dd24552 JB |
5638 | return; |
5639 | ||
2dd24552 | 5640 | /* |
c0b03411 DV |
5641 | * The panel fitter should only be adjusted whilst the pipe is disabled, |
5642 | * according to register description and PRM. | |
2dd24552 | 5643 | */ |
c0b03411 DV |
5644 | WARN_ON(I915_READ(PFIT_CONTROL) & PFIT_ENABLE); |
5645 | assert_pipe_disabled(dev_priv, crtc->pipe); | |
2dd24552 | 5646 | |
b074cec8 JB |
5647 | I915_WRITE(PFIT_PGM_RATIOS, pipe_config->gmch_pfit.pgm_ratios); |
5648 | I915_WRITE(PFIT_CONTROL, pipe_config->gmch_pfit.control); | |
5a80c45c DV |
5649 | |
5650 | /* Border color in case we don't scale up to the full screen. Black by | |
5651 | * default, change to something else for debugging. */ | |
5652 | I915_WRITE(BCLRPAT(crtc->pipe), 0); | |
2dd24552 JB |
5653 | } |
5654 | ||
d05410f9 DA |
5655 | static enum intel_display_power_domain port_to_power_domain(enum port port) |
5656 | { | |
5657 | switch (port) { | |
5658 | case PORT_A: | |
6331a704 | 5659 | return POWER_DOMAIN_PORT_DDI_A_LANES; |
d05410f9 | 5660 | case PORT_B: |
6331a704 | 5661 | return POWER_DOMAIN_PORT_DDI_B_LANES; |
d05410f9 | 5662 | case PORT_C: |
6331a704 | 5663 | return POWER_DOMAIN_PORT_DDI_C_LANES; |
d05410f9 | 5664 | case PORT_D: |
6331a704 | 5665 | return POWER_DOMAIN_PORT_DDI_D_LANES; |
d8e19f99 | 5666 | case PORT_E: |
6331a704 | 5667 | return POWER_DOMAIN_PORT_DDI_E_LANES; |
d05410f9 | 5668 | default: |
b9fec167 | 5669 | MISSING_CASE(port); |
d05410f9 DA |
5670 | return POWER_DOMAIN_PORT_OTHER; |
5671 | } | |
5672 | } | |
5673 | ||
25f78f58 VS |
5674 | static enum intel_display_power_domain port_to_aux_power_domain(enum port port) |
5675 | { | |
5676 | switch (port) { | |
5677 | case PORT_A: | |
5678 | return POWER_DOMAIN_AUX_A; | |
5679 | case PORT_B: | |
5680 | return POWER_DOMAIN_AUX_B; | |
5681 | case PORT_C: | |
5682 | return POWER_DOMAIN_AUX_C; | |
5683 | case PORT_D: | |
5684 | return POWER_DOMAIN_AUX_D; | |
5685 | case PORT_E: | |
5686 | /* FIXME: Check VBT for actual wiring of PORT E */ | |
5687 | return POWER_DOMAIN_AUX_D; | |
5688 | default: | |
b9fec167 | 5689 | MISSING_CASE(port); |
25f78f58 VS |
5690 | return POWER_DOMAIN_AUX_A; |
5691 | } | |
5692 | } | |
5693 | ||
319be8ae ID |
5694 | enum intel_display_power_domain |
5695 | intel_display_port_power_domain(struct intel_encoder *intel_encoder) | |
5696 | { | |
5697 | struct drm_device *dev = intel_encoder->base.dev; | |
5698 | struct intel_digital_port *intel_dig_port; | |
5699 | ||
5700 | switch (intel_encoder->type) { | |
5701 | case INTEL_OUTPUT_UNKNOWN: | |
5702 | /* Only DDI platforms should ever use this output type */ | |
5703 | WARN_ON_ONCE(!HAS_DDI(dev)); | |
cca0502b | 5704 | case INTEL_OUTPUT_DP: |
319be8ae ID |
5705 | case INTEL_OUTPUT_HDMI: |
5706 | case INTEL_OUTPUT_EDP: | |
5707 | intel_dig_port = enc_to_dig_port(&intel_encoder->base); | |
d05410f9 | 5708 | return port_to_power_domain(intel_dig_port->port); |
0e32b39c DA |
5709 | case INTEL_OUTPUT_DP_MST: |
5710 | intel_dig_port = enc_to_mst(&intel_encoder->base)->primary; | |
5711 | return port_to_power_domain(intel_dig_port->port); | |
319be8ae ID |
5712 | case INTEL_OUTPUT_ANALOG: |
5713 | return POWER_DOMAIN_PORT_CRT; | |
5714 | case INTEL_OUTPUT_DSI: | |
5715 | return POWER_DOMAIN_PORT_DSI; | |
5716 | default: | |
5717 | return POWER_DOMAIN_PORT_OTHER; | |
5718 | } | |
5719 | } | |
5720 | ||
25f78f58 VS |
5721 | enum intel_display_power_domain |
5722 | intel_display_port_aux_power_domain(struct intel_encoder *intel_encoder) | |
5723 | { | |
5724 | struct drm_device *dev = intel_encoder->base.dev; | |
5725 | struct intel_digital_port *intel_dig_port; | |
5726 | ||
5727 | switch (intel_encoder->type) { | |
5728 | case INTEL_OUTPUT_UNKNOWN: | |
651174a4 ID |
5729 | case INTEL_OUTPUT_HDMI: |
5730 | /* | |
5731 | * Only DDI platforms should ever use these output types. | |
5732 | * We can get here after the HDMI detect code has already set | |
5733 | * the type of the shared encoder. Since we can't be sure | |
5734 | * what's the status of the given connectors, play safe and | |
5735 | * run the DP detection too. | |
5736 | */ | |
25f78f58 | 5737 | WARN_ON_ONCE(!HAS_DDI(dev)); |
cca0502b | 5738 | case INTEL_OUTPUT_DP: |
25f78f58 VS |
5739 | case INTEL_OUTPUT_EDP: |
5740 | intel_dig_port = enc_to_dig_port(&intel_encoder->base); | |
5741 | return port_to_aux_power_domain(intel_dig_port->port); | |
5742 | case INTEL_OUTPUT_DP_MST: | |
5743 | intel_dig_port = enc_to_mst(&intel_encoder->base)->primary; | |
5744 | return port_to_aux_power_domain(intel_dig_port->port); | |
5745 | default: | |
b9fec167 | 5746 | MISSING_CASE(intel_encoder->type); |
25f78f58 VS |
5747 | return POWER_DOMAIN_AUX_A; |
5748 | } | |
5749 | } | |
5750 | ||
74bff5f9 ML |
5751 | static unsigned long get_crtc_power_domains(struct drm_crtc *crtc, |
5752 | struct intel_crtc_state *crtc_state) | |
77d22dca | 5753 | { |
319be8ae | 5754 | struct drm_device *dev = crtc->dev; |
74bff5f9 | 5755 | struct drm_encoder *encoder; |
319be8ae ID |
5756 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5757 | enum pipe pipe = intel_crtc->pipe; | |
77d22dca | 5758 | unsigned long mask; |
74bff5f9 | 5759 | enum transcoder transcoder = crtc_state->cpu_transcoder; |
77d22dca | 5760 | |
74bff5f9 | 5761 | if (!crtc_state->base.active) |
292b990e ML |
5762 | return 0; |
5763 | ||
77d22dca ID |
5764 | mask = BIT(POWER_DOMAIN_PIPE(pipe)); |
5765 | mask |= BIT(POWER_DOMAIN_TRANSCODER(transcoder)); | |
74bff5f9 ML |
5766 | if (crtc_state->pch_pfit.enabled || |
5767 | crtc_state->pch_pfit.force_thru) | |
77d22dca ID |
5768 | mask |= BIT(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe)); |
5769 | ||
74bff5f9 ML |
5770 | drm_for_each_encoder_mask(encoder, dev, crtc_state->base.encoder_mask) { |
5771 | struct intel_encoder *intel_encoder = to_intel_encoder(encoder); | |
5772 | ||
319be8ae | 5773 | mask |= BIT(intel_display_port_power_domain(intel_encoder)); |
74bff5f9 | 5774 | } |
319be8ae | 5775 | |
15e7ec29 ML |
5776 | if (crtc_state->shared_dpll) |
5777 | mask |= BIT(POWER_DOMAIN_PLLS); | |
5778 | ||
77d22dca ID |
5779 | return mask; |
5780 | } | |
5781 | ||
74bff5f9 ML |
5782 | static unsigned long |
5783 | modeset_get_crtc_power_domains(struct drm_crtc *crtc, | |
5784 | struct intel_crtc_state *crtc_state) | |
77d22dca | 5785 | { |
fac5e23e | 5786 | struct drm_i915_private *dev_priv = to_i915(crtc->dev); |
292b990e ML |
5787 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5788 | enum intel_display_power_domain domain; | |
5a21b665 | 5789 | unsigned long domains, new_domains, old_domains; |
77d22dca | 5790 | |
292b990e | 5791 | old_domains = intel_crtc->enabled_power_domains; |
74bff5f9 ML |
5792 | intel_crtc->enabled_power_domains = new_domains = |
5793 | get_crtc_power_domains(crtc, crtc_state); | |
77d22dca | 5794 | |
5a21b665 | 5795 | domains = new_domains & ~old_domains; |
292b990e ML |
5796 | |
5797 | for_each_power_domain(domain, domains) | |
5798 | intel_display_power_get(dev_priv, domain); | |
5799 | ||
5a21b665 | 5800 | return old_domains & ~new_domains; |
292b990e ML |
5801 | } |
5802 | ||
5803 | static void modeset_put_power_domains(struct drm_i915_private *dev_priv, | |
5804 | unsigned long domains) | |
5805 | { | |
5806 | enum intel_display_power_domain domain; | |
5807 | ||
5808 | for_each_power_domain(domain, domains) | |
5809 | intel_display_power_put(dev_priv, domain); | |
5810 | } | |
77d22dca | 5811 | |
adafdc6f MK |
5812 | static int intel_compute_max_dotclk(struct drm_i915_private *dev_priv) |
5813 | { | |
5814 | int max_cdclk_freq = dev_priv->max_cdclk_freq; | |
5815 | ||
5816 | if (INTEL_INFO(dev_priv)->gen >= 9 || | |
5817 | IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) | |
5818 | return max_cdclk_freq; | |
5819 | else if (IS_CHERRYVIEW(dev_priv)) | |
5820 | return max_cdclk_freq*95/100; | |
5821 | else if (INTEL_INFO(dev_priv)->gen < 4) | |
5822 | return 2*max_cdclk_freq*90/100; | |
5823 | else | |
5824 | return max_cdclk_freq*90/100; | |
5825 | } | |
5826 | ||
b2045352 VS |
5827 | static int skl_calc_cdclk(int max_pixclk, int vco); |
5828 | ||
560a7ae4 DL |
5829 | static void intel_update_max_cdclk(struct drm_device *dev) |
5830 | { | |
fac5e23e | 5831 | struct drm_i915_private *dev_priv = to_i915(dev); |
560a7ae4 | 5832 | |
ef11bdb3 | 5833 | if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) { |
560a7ae4 | 5834 | u32 limit = I915_READ(SKL_DFSM) & SKL_DFSM_CDCLK_LIMIT_MASK; |
b2045352 VS |
5835 | int max_cdclk, vco; |
5836 | ||
5837 | vco = dev_priv->skl_preferred_vco_freq; | |
63911d72 | 5838 | WARN_ON(vco != 8100000 && vco != 8640000); |
560a7ae4 | 5839 | |
b2045352 VS |
5840 | /* |
5841 | * Use the lower (vco 8640) cdclk values as a | |
5842 | * first guess. skl_calc_cdclk() will correct it | |
5843 | * if the preferred vco is 8100 instead. | |
5844 | */ | |
560a7ae4 | 5845 | if (limit == SKL_DFSM_CDCLK_LIMIT_675) |
487ed2e4 | 5846 | max_cdclk = 617143; |
560a7ae4 | 5847 | else if (limit == SKL_DFSM_CDCLK_LIMIT_540) |
b2045352 | 5848 | max_cdclk = 540000; |
560a7ae4 | 5849 | else if (limit == SKL_DFSM_CDCLK_LIMIT_450) |
b2045352 | 5850 | max_cdclk = 432000; |
560a7ae4 | 5851 | else |
487ed2e4 | 5852 | max_cdclk = 308571; |
b2045352 VS |
5853 | |
5854 | dev_priv->max_cdclk_freq = skl_calc_cdclk(max_cdclk, vco); | |
281c114f MR |
5855 | } else if (IS_BROXTON(dev)) { |
5856 | dev_priv->max_cdclk_freq = 624000; | |
560a7ae4 DL |
5857 | } else if (IS_BROADWELL(dev)) { |
5858 | /* | |
5859 | * FIXME with extra cooling we can allow | |
5860 | * 540 MHz for ULX and 675 Mhz for ULT. | |
5861 | * How can we know if extra cooling is | |
5862 | * available? PCI ID, VTB, something else? | |
5863 | */ | |
5864 | if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
5865 | dev_priv->max_cdclk_freq = 450000; | |
5866 | else if (IS_BDW_ULX(dev)) | |
5867 | dev_priv->max_cdclk_freq = 450000; | |
5868 | else if (IS_BDW_ULT(dev)) | |
5869 | dev_priv->max_cdclk_freq = 540000; | |
5870 | else | |
5871 | dev_priv->max_cdclk_freq = 675000; | |
0904deaf MK |
5872 | } else if (IS_CHERRYVIEW(dev)) { |
5873 | dev_priv->max_cdclk_freq = 320000; | |
560a7ae4 DL |
5874 | } else if (IS_VALLEYVIEW(dev)) { |
5875 | dev_priv->max_cdclk_freq = 400000; | |
5876 | } else { | |
5877 | /* otherwise assume cdclk is fixed */ | |
5878 | dev_priv->max_cdclk_freq = dev_priv->cdclk_freq; | |
5879 | } | |
5880 | ||
adafdc6f MK |
5881 | dev_priv->max_dotclk_freq = intel_compute_max_dotclk(dev_priv); |
5882 | ||
560a7ae4 DL |
5883 | DRM_DEBUG_DRIVER("Max CD clock rate: %d kHz\n", |
5884 | dev_priv->max_cdclk_freq); | |
adafdc6f MK |
5885 | |
5886 | DRM_DEBUG_DRIVER("Max dotclock rate: %d kHz\n", | |
5887 | dev_priv->max_dotclk_freq); | |
560a7ae4 DL |
5888 | } |
5889 | ||
5890 | static void intel_update_cdclk(struct drm_device *dev) | |
5891 | { | |
fac5e23e | 5892 | struct drm_i915_private *dev_priv = to_i915(dev); |
560a7ae4 DL |
5893 | |
5894 | dev_priv->cdclk_freq = dev_priv->display.get_display_clock_speed(dev); | |
2f2a121a | 5895 | |
83d7c81f | 5896 | if (INTEL_GEN(dev_priv) >= 9) |
709e05c3 VS |
5897 | DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz, VCO: %d kHz, ref: %d kHz\n", |
5898 | dev_priv->cdclk_freq, dev_priv->cdclk_pll.vco, | |
5899 | dev_priv->cdclk_pll.ref); | |
2f2a121a VS |
5900 | else |
5901 | DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz\n", | |
5902 | dev_priv->cdclk_freq); | |
560a7ae4 DL |
5903 | |
5904 | /* | |
b5d99ff9 VS |
5905 | * 9:0 CMBUS [sic] CDCLK frequency (cdfreq): |
5906 | * Programmng [sic] note: bit[9:2] should be programmed to the number | |
5907 | * of cdclk that generates 4MHz reference clock freq which is used to | |
5908 | * generate GMBus clock. This will vary with the cdclk freq. | |
560a7ae4 | 5909 | */ |
b5d99ff9 | 5910 | if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) |
560a7ae4 | 5911 | I915_WRITE(GMBUSFREQ_VLV, DIV_ROUND_UP(dev_priv->cdclk_freq, 1000)); |
560a7ae4 DL |
5912 | } |
5913 | ||
92891e45 VS |
5914 | /* convert from kHz to .1 fixpoint MHz with -1MHz offset */ |
5915 | static int skl_cdclk_decimal(int cdclk) | |
5916 | { | |
5917 | return DIV_ROUND_CLOSEST(cdclk - 1000, 500); | |
5918 | } | |
5919 | ||
5f199dfa VS |
5920 | static int bxt_de_pll_vco(struct drm_i915_private *dev_priv, int cdclk) |
5921 | { | |
5922 | int ratio; | |
5923 | ||
5924 | if (cdclk == dev_priv->cdclk_pll.ref) | |
5925 | return 0; | |
5926 | ||
5927 | switch (cdclk) { | |
5928 | default: | |
5929 | MISSING_CASE(cdclk); | |
5930 | case 144000: | |
5931 | case 288000: | |
5932 | case 384000: | |
5933 | case 576000: | |
5934 | ratio = 60; | |
5935 | break; | |
5936 | case 624000: | |
5937 | ratio = 65; | |
5938 | break; | |
5939 | } | |
5940 | ||
5941 | return dev_priv->cdclk_pll.ref * ratio; | |
5942 | } | |
5943 | ||
2b73001e VS |
5944 | static void bxt_de_pll_disable(struct drm_i915_private *dev_priv) |
5945 | { | |
5946 | I915_WRITE(BXT_DE_PLL_ENABLE, 0); | |
5947 | ||
5948 | /* Timeout 200us */ | |
95cac283 CW |
5949 | if (intel_wait_for_register(dev_priv, |
5950 | BXT_DE_PLL_ENABLE, BXT_DE_PLL_LOCK, 0, | |
5951 | 1)) | |
2b73001e | 5952 | DRM_ERROR("timeout waiting for DE PLL unlock\n"); |
83d7c81f VS |
5953 | |
5954 | dev_priv->cdclk_pll.vco = 0; | |
2b73001e VS |
5955 | } |
5956 | ||
5f199dfa | 5957 | static void bxt_de_pll_enable(struct drm_i915_private *dev_priv, int vco) |
2b73001e | 5958 | { |
5f199dfa | 5959 | int ratio = DIV_ROUND_CLOSEST(vco, dev_priv->cdclk_pll.ref); |
2b73001e VS |
5960 | u32 val; |
5961 | ||
5962 | val = I915_READ(BXT_DE_PLL_CTL); | |
5963 | val &= ~BXT_DE_PLL_RATIO_MASK; | |
5f199dfa | 5964 | val |= BXT_DE_PLL_RATIO(ratio); |
2b73001e VS |
5965 | I915_WRITE(BXT_DE_PLL_CTL, val); |
5966 | ||
5967 | I915_WRITE(BXT_DE_PLL_ENABLE, BXT_DE_PLL_PLL_ENABLE); | |
5968 | ||
5969 | /* Timeout 200us */ | |
e084e1b9 CW |
5970 | if (intel_wait_for_register(dev_priv, |
5971 | BXT_DE_PLL_ENABLE, | |
5972 | BXT_DE_PLL_LOCK, | |
5973 | BXT_DE_PLL_LOCK, | |
5974 | 1)) | |
2b73001e | 5975 | DRM_ERROR("timeout waiting for DE PLL lock\n"); |
83d7c81f | 5976 | |
5f199dfa | 5977 | dev_priv->cdclk_pll.vco = vco; |
2b73001e VS |
5978 | } |
5979 | ||
324513c0 | 5980 | static void bxt_set_cdclk(struct drm_i915_private *dev_priv, int cdclk) |
f8437dd1 | 5981 | { |
5f199dfa VS |
5982 | u32 val, divider; |
5983 | int vco, ret; | |
f8437dd1 | 5984 | |
5f199dfa VS |
5985 | vco = bxt_de_pll_vco(dev_priv, cdclk); |
5986 | ||
5987 | DRM_DEBUG_DRIVER("Changing CDCLK to %d kHz (VCO %d kHz)\n", cdclk, vco); | |
5988 | ||
5989 | /* cdclk = vco / 2 / div{1,1.5,2,4} */ | |
5990 | switch (DIV_ROUND_CLOSEST(vco, cdclk)) { | |
5991 | case 8: | |
f8437dd1 | 5992 | divider = BXT_CDCLK_CD2X_DIV_SEL_4; |
f8437dd1 | 5993 | break; |
5f199dfa | 5994 | case 4: |
f8437dd1 | 5995 | divider = BXT_CDCLK_CD2X_DIV_SEL_2; |
f8437dd1 | 5996 | break; |
5f199dfa | 5997 | case 3: |
f8437dd1 | 5998 | divider = BXT_CDCLK_CD2X_DIV_SEL_1_5; |
f8437dd1 | 5999 | break; |
5f199dfa | 6000 | case 2: |
f8437dd1 | 6001 | divider = BXT_CDCLK_CD2X_DIV_SEL_1; |
f8437dd1 VK |
6002 | break; |
6003 | default: | |
5f199dfa VS |
6004 | WARN_ON(cdclk != dev_priv->cdclk_pll.ref); |
6005 | WARN_ON(vco != 0); | |
f8437dd1 | 6006 | |
5f199dfa VS |
6007 | divider = BXT_CDCLK_CD2X_DIV_SEL_1; |
6008 | break; | |
f8437dd1 VK |
6009 | } |
6010 | ||
f8437dd1 | 6011 | /* Inform power controller of upcoming frequency change */ |
5f199dfa | 6012 | mutex_lock(&dev_priv->rps.hw_lock); |
f8437dd1 VK |
6013 | ret = sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ, |
6014 | 0x80000000); | |
6015 | mutex_unlock(&dev_priv->rps.hw_lock); | |
6016 | ||
6017 | if (ret) { | |
6018 | DRM_ERROR("PCode CDCLK freq change notify failed (err %d, freq %d)\n", | |
9ef56154 | 6019 | ret, cdclk); |
f8437dd1 VK |
6020 | return; |
6021 | } | |
6022 | ||
5f199dfa VS |
6023 | if (dev_priv->cdclk_pll.vco != 0 && |
6024 | dev_priv->cdclk_pll.vco != vco) | |
2b73001e | 6025 | bxt_de_pll_disable(dev_priv); |
f8437dd1 | 6026 | |
5f199dfa VS |
6027 | if (dev_priv->cdclk_pll.vco != vco) |
6028 | bxt_de_pll_enable(dev_priv, vco); | |
f8437dd1 | 6029 | |
5f199dfa VS |
6030 | val = divider | skl_cdclk_decimal(cdclk); |
6031 | /* | |
6032 | * FIXME if only the cd2x divider needs changing, it could be done | |
6033 | * without shutting off the pipe (if only one pipe is active). | |
6034 | */ | |
6035 | val |= BXT_CDCLK_CD2X_PIPE_NONE; | |
6036 | /* | |
6037 | * Disable SSA Precharge when CD clock frequency < 500 MHz, | |
6038 | * enable otherwise. | |
6039 | */ | |
6040 | if (cdclk >= 500000) | |
6041 | val |= BXT_CDCLK_SSA_PRECHARGE_ENABLE; | |
6042 | I915_WRITE(CDCLK_CTL, val); | |
f8437dd1 VK |
6043 | |
6044 | mutex_lock(&dev_priv->rps.hw_lock); | |
6045 | ret = sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ, | |
9ef56154 | 6046 | DIV_ROUND_UP(cdclk, 25000)); |
f8437dd1 VK |
6047 | mutex_unlock(&dev_priv->rps.hw_lock); |
6048 | ||
6049 | if (ret) { | |
6050 | DRM_ERROR("PCode CDCLK freq set failed, (err %d, freq %d)\n", | |
9ef56154 | 6051 | ret, cdclk); |
f8437dd1 VK |
6052 | return; |
6053 | } | |
6054 | ||
91c8a326 | 6055 | intel_update_cdclk(&dev_priv->drm); |
f8437dd1 VK |
6056 | } |
6057 | ||
d66a2194 | 6058 | static void bxt_sanitize_cdclk(struct drm_i915_private *dev_priv) |
f8437dd1 | 6059 | { |
d66a2194 ID |
6060 | u32 cdctl, expected; |
6061 | ||
91c8a326 | 6062 | intel_update_cdclk(&dev_priv->drm); |
f8437dd1 | 6063 | |
d66a2194 ID |
6064 | if (dev_priv->cdclk_pll.vco == 0 || |
6065 | dev_priv->cdclk_freq == dev_priv->cdclk_pll.ref) | |
6066 | goto sanitize; | |
6067 | ||
6068 | /* DPLL okay; verify the cdclock | |
6069 | * | |
6070 | * Some BIOS versions leave an incorrect decimal frequency value and | |
6071 | * set reserved MBZ bits in CDCLK_CTL at least during exiting from S4, | |
6072 | * so sanitize this register. | |
6073 | */ | |
6074 | cdctl = I915_READ(CDCLK_CTL); | |
6075 | /* | |
6076 | * Let's ignore the pipe field, since BIOS could have configured the | |
6077 | * dividers both synching to an active pipe, or asynchronously | |
6078 | * (PIPE_NONE). | |
6079 | */ | |
6080 | cdctl &= ~BXT_CDCLK_CD2X_PIPE_NONE; | |
6081 | ||
6082 | expected = (cdctl & BXT_CDCLK_CD2X_DIV_SEL_MASK) | | |
6083 | skl_cdclk_decimal(dev_priv->cdclk_freq); | |
6084 | /* | |
6085 | * Disable SSA Precharge when CD clock frequency < 500 MHz, | |
6086 | * enable otherwise. | |
6087 | */ | |
6088 | if (dev_priv->cdclk_freq >= 500000) | |
6089 | expected |= BXT_CDCLK_SSA_PRECHARGE_ENABLE; | |
6090 | ||
6091 | if (cdctl == expected) | |
6092 | /* All well; nothing to sanitize */ | |
6093 | return; | |
6094 | ||
6095 | sanitize: | |
6096 | DRM_DEBUG_KMS("Sanitizing cdclk programmed by pre-os\n"); | |
6097 | ||
6098 | /* force cdclk programming */ | |
6099 | dev_priv->cdclk_freq = 0; | |
6100 | ||
6101 | /* force full PLL disable + enable */ | |
6102 | dev_priv->cdclk_pll.vco = -1; | |
6103 | } | |
6104 | ||
324513c0 | 6105 | void bxt_init_cdclk(struct drm_i915_private *dev_priv) |
d66a2194 ID |
6106 | { |
6107 | bxt_sanitize_cdclk(dev_priv); | |
6108 | ||
6109 | if (dev_priv->cdclk_freq != 0 && dev_priv->cdclk_pll.vco != 0) | |
089c6fd5 | 6110 | return; |
c2e001ef | 6111 | |
f8437dd1 VK |
6112 | /* |
6113 | * FIXME: | |
6114 | * - The initial CDCLK needs to be read from VBT. | |
6115 | * Need to make this change after VBT has changes for BXT. | |
f8437dd1 | 6116 | */ |
324513c0 | 6117 | bxt_set_cdclk(dev_priv, bxt_calc_cdclk(0)); |
f8437dd1 VK |
6118 | } |
6119 | ||
324513c0 | 6120 | void bxt_uninit_cdclk(struct drm_i915_private *dev_priv) |
f8437dd1 | 6121 | { |
324513c0 | 6122 | bxt_set_cdclk(dev_priv, dev_priv->cdclk_pll.ref); |
f8437dd1 VK |
6123 | } |
6124 | ||
a8ca4934 VS |
6125 | static int skl_calc_cdclk(int max_pixclk, int vco) |
6126 | { | |
63911d72 | 6127 | if (vco == 8640000) { |
a8ca4934 | 6128 | if (max_pixclk > 540000) |
487ed2e4 | 6129 | return 617143; |
a8ca4934 VS |
6130 | else if (max_pixclk > 432000) |
6131 | return 540000; | |
487ed2e4 | 6132 | else if (max_pixclk > 308571) |
a8ca4934 VS |
6133 | return 432000; |
6134 | else | |
487ed2e4 | 6135 | return 308571; |
a8ca4934 | 6136 | } else { |
a8ca4934 VS |
6137 | if (max_pixclk > 540000) |
6138 | return 675000; | |
6139 | else if (max_pixclk > 450000) | |
6140 | return 540000; | |
6141 | else if (max_pixclk > 337500) | |
6142 | return 450000; | |
6143 | else | |
6144 | return 337500; | |
6145 | } | |
6146 | } | |
6147 | ||
ea61791e VS |
6148 | static void |
6149 | skl_dpll0_update(struct drm_i915_private *dev_priv) | |
5d96d8af | 6150 | { |
ea61791e | 6151 | u32 val; |
5d96d8af | 6152 | |
709e05c3 | 6153 | dev_priv->cdclk_pll.ref = 24000; |
1c3f7700 | 6154 | dev_priv->cdclk_pll.vco = 0; |
709e05c3 | 6155 | |
ea61791e | 6156 | val = I915_READ(LCPLL1_CTL); |
1c3f7700 | 6157 | if ((val & LCPLL_PLL_ENABLE) == 0) |
ea61791e | 6158 | return; |
5d96d8af | 6159 | |
1c3f7700 ID |
6160 | if (WARN_ON((val & LCPLL_PLL_LOCK) == 0)) |
6161 | return; | |
9f7eb31a | 6162 | |
ea61791e VS |
6163 | val = I915_READ(DPLL_CTRL1); |
6164 | ||
1c3f7700 ID |
6165 | if (WARN_ON((val & (DPLL_CTRL1_HDMI_MODE(SKL_DPLL0) | |
6166 | DPLL_CTRL1_SSC(SKL_DPLL0) | | |
6167 | DPLL_CTRL1_OVERRIDE(SKL_DPLL0))) != | |
6168 | DPLL_CTRL1_OVERRIDE(SKL_DPLL0))) | |
6169 | return; | |
9f7eb31a | 6170 | |
ea61791e VS |
6171 | switch (val & DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0)) { |
6172 | case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_810, SKL_DPLL0): | |
6173 | case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1350, SKL_DPLL0): | |
6174 | case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1620, SKL_DPLL0): | |
6175 | case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_2700, SKL_DPLL0): | |
63911d72 | 6176 | dev_priv->cdclk_pll.vco = 8100000; |
ea61791e VS |
6177 | break; |
6178 | case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1080, SKL_DPLL0): | |
6179 | case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_2160, SKL_DPLL0): | |
63911d72 | 6180 | dev_priv->cdclk_pll.vco = 8640000; |
ea61791e VS |
6181 | break; |
6182 | default: | |
6183 | MISSING_CASE(val & DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0)); | |
ea61791e VS |
6184 | break; |
6185 | } | |
5d96d8af DL |
6186 | } |
6187 | ||
b2045352 VS |
6188 | void skl_set_preferred_cdclk_vco(struct drm_i915_private *dev_priv, int vco) |
6189 | { | |
6190 | bool changed = dev_priv->skl_preferred_vco_freq != vco; | |
6191 | ||
6192 | dev_priv->skl_preferred_vco_freq = vco; | |
6193 | ||
6194 | if (changed) | |
91c8a326 | 6195 | intel_update_max_cdclk(&dev_priv->drm); |
b2045352 VS |
6196 | } |
6197 | ||
5d96d8af | 6198 | static void |
3861fc60 | 6199 | skl_dpll0_enable(struct drm_i915_private *dev_priv, int vco) |
5d96d8af | 6200 | { |
a8ca4934 | 6201 | int min_cdclk = skl_calc_cdclk(0, vco); |
5d96d8af DL |
6202 | u32 val; |
6203 | ||
63911d72 | 6204 | WARN_ON(vco != 8100000 && vco != 8640000); |
b2045352 | 6205 | |
5d96d8af | 6206 | /* select the minimum CDCLK before enabling DPLL 0 */ |
9ef56154 | 6207 | val = CDCLK_FREQ_337_308 | skl_cdclk_decimal(min_cdclk); |
5d96d8af DL |
6208 | I915_WRITE(CDCLK_CTL, val); |
6209 | POSTING_READ(CDCLK_CTL); | |
6210 | ||
6211 | /* | |
6212 | * We always enable DPLL0 with the lowest link rate possible, but still | |
6213 | * taking into account the VCO required to operate the eDP panel at the | |
6214 | * desired frequency. The usual DP link rates operate with a VCO of | |
6215 | * 8100 while the eDP 1.4 alternate link rates need a VCO of 8640. | |
6216 | * The modeset code is responsible for the selection of the exact link | |
6217 | * rate later on, with the constraint of choosing a frequency that | |
a8ca4934 | 6218 | * works with vco. |
5d96d8af DL |
6219 | */ |
6220 | val = I915_READ(DPLL_CTRL1); | |
6221 | ||
6222 | val &= ~(DPLL_CTRL1_HDMI_MODE(SKL_DPLL0) | DPLL_CTRL1_SSC(SKL_DPLL0) | | |
6223 | DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0)); | |
6224 | val |= DPLL_CTRL1_OVERRIDE(SKL_DPLL0); | |
63911d72 | 6225 | if (vco == 8640000) |
5d96d8af DL |
6226 | val |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1080, |
6227 | SKL_DPLL0); | |
6228 | else | |
6229 | val |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_810, | |
6230 | SKL_DPLL0); | |
6231 | ||
6232 | I915_WRITE(DPLL_CTRL1, val); | |
6233 | POSTING_READ(DPLL_CTRL1); | |
6234 | ||
6235 | I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) | LCPLL_PLL_ENABLE); | |
6236 | ||
e24ca054 CW |
6237 | if (intel_wait_for_register(dev_priv, |
6238 | LCPLL1_CTL, LCPLL_PLL_LOCK, LCPLL_PLL_LOCK, | |
6239 | 5)) | |
5d96d8af | 6240 | DRM_ERROR("DPLL0 not locked\n"); |
1cd593e0 | 6241 | |
63911d72 | 6242 | dev_priv->cdclk_pll.vco = vco; |
b2045352 VS |
6243 | |
6244 | /* We'll want to keep using the current vco from now on. */ | |
6245 | skl_set_preferred_cdclk_vco(dev_priv, vco); | |
5d96d8af DL |
6246 | } |
6247 | ||
430e05de VS |
6248 | static void |
6249 | skl_dpll0_disable(struct drm_i915_private *dev_priv) | |
6250 | { | |
6251 | I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) & ~LCPLL_PLL_ENABLE); | |
8ad32a05 CW |
6252 | if (intel_wait_for_register(dev_priv, |
6253 | LCPLL1_CTL, LCPLL_PLL_LOCK, 0, | |
6254 | 1)) | |
430e05de | 6255 | DRM_ERROR("Couldn't disable DPLL0\n"); |
1cd593e0 | 6256 | |
63911d72 | 6257 | dev_priv->cdclk_pll.vco = 0; |
430e05de VS |
6258 | } |
6259 | ||
5d96d8af DL |
6260 | static bool skl_cdclk_pcu_ready(struct drm_i915_private *dev_priv) |
6261 | { | |
6262 | int ret; | |
6263 | u32 val; | |
6264 | ||
6265 | /* inform PCU we want to change CDCLK */ | |
6266 | val = SKL_CDCLK_PREPARE_FOR_CHANGE; | |
6267 | mutex_lock(&dev_priv->rps.hw_lock); | |
6268 | ret = sandybridge_pcode_read(dev_priv, SKL_PCODE_CDCLK_CONTROL, &val); | |
6269 | mutex_unlock(&dev_priv->rps.hw_lock); | |
6270 | ||
6271 | return ret == 0 && (val & SKL_CDCLK_READY_FOR_CHANGE); | |
6272 | } | |
6273 | ||
6274 | static bool skl_cdclk_wait_for_pcu_ready(struct drm_i915_private *dev_priv) | |
6275 | { | |
848496e5 | 6276 | return _wait_for(skl_cdclk_pcu_ready(dev_priv), 3000, 10) == 0; |
5d96d8af DL |
6277 | } |
6278 | ||
1cd593e0 | 6279 | static void skl_set_cdclk(struct drm_i915_private *dev_priv, int cdclk, int vco) |
5d96d8af | 6280 | { |
91c8a326 | 6281 | struct drm_device *dev = &dev_priv->drm; |
5d96d8af DL |
6282 | u32 freq_select, pcu_ack; |
6283 | ||
1cd593e0 VS |
6284 | WARN_ON((cdclk == 24000) != (vco == 0)); |
6285 | ||
63911d72 | 6286 | DRM_DEBUG_DRIVER("Changing CDCLK to %d kHz (VCO %d kHz)\n", cdclk, vco); |
5d96d8af DL |
6287 | |
6288 | if (!skl_cdclk_wait_for_pcu_ready(dev_priv)) { | |
6289 | DRM_ERROR("failed to inform PCU about cdclk change\n"); | |
6290 | return; | |
6291 | } | |
6292 | ||
6293 | /* set CDCLK_CTL */ | |
9ef56154 | 6294 | switch (cdclk) { |
5d96d8af DL |
6295 | case 450000: |
6296 | case 432000: | |
6297 | freq_select = CDCLK_FREQ_450_432; | |
6298 | pcu_ack = 1; | |
6299 | break; | |
6300 | case 540000: | |
6301 | freq_select = CDCLK_FREQ_540; | |
6302 | pcu_ack = 2; | |
6303 | break; | |
487ed2e4 | 6304 | case 308571: |
5d96d8af DL |
6305 | case 337500: |
6306 | default: | |
6307 | freq_select = CDCLK_FREQ_337_308; | |
6308 | pcu_ack = 0; | |
6309 | break; | |
487ed2e4 | 6310 | case 617143: |
5d96d8af DL |
6311 | case 675000: |
6312 | freq_select = CDCLK_FREQ_675_617; | |
6313 | pcu_ack = 3; | |
6314 | break; | |
6315 | } | |
6316 | ||
63911d72 VS |
6317 | if (dev_priv->cdclk_pll.vco != 0 && |
6318 | dev_priv->cdclk_pll.vco != vco) | |
1cd593e0 VS |
6319 | skl_dpll0_disable(dev_priv); |
6320 | ||
63911d72 | 6321 | if (dev_priv->cdclk_pll.vco != vco) |
1cd593e0 VS |
6322 | skl_dpll0_enable(dev_priv, vco); |
6323 | ||
9ef56154 | 6324 | I915_WRITE(CDCLK_CTL, freq_select | skl_cdclk_decimal(cdclk)); |
5d96d8af DL |
6325 | POSTING_READ(CDCLK_CTL); |
6326 | ||
6327 | /* inform PCU of the change */ | |
6328 | mutex_lock(&dev_priv->rps.hw_lock); | |
6329 | sandybridge_pcode_write(dev_priv, SKL_PCODE_CDCLK_CONTROL, pcu_ack); | |
6330 | mutex_unlock(&dev_priv->rps.hw_lock); | |
560a7ae4 DL |
6331 | |
6332 | intel_update_cdclk(dev); | |
5d96d8af DL |
6333 | } |
6334 | ||
9f7eb31a VS |
6335 | static void skl_sanitize_cdclk(struct drm_i915_private *dev_priv); |
6336 | ||
5d96d8af DL |
6337 | void skl_uninit_cdclk(struct drm_i915_private *dev_priv) |
6338 | { | |
709e05c3 | 6339 | skl_set_cdclk(dev_priv, dev_priv->cdclk_pll.ref, 0); |
5d96d8af DL |
6340 | } |
6341 | ||
6342 | void skl_init_cdclk(struct drm_i915_private *dev_priv) | |
6343 | { | |
9f7eb31a VS |
6344 | int cdclk, vco; |
6345 | ||
6346 | skl_sanitize_cdclk(dev_priv); | |
5d96d8af | 6347 | |
63911d72 | 6348 | if (dev_priv->cdclk_freq != 0 && dev_priv->cdclk_pll.vco != 0) { |
9f7eb31a VS |
6349 | /* |
6350 | * Use the current vco as our initial | |
6351 | * guess as to what the preferred vco is. | |
6352 | */ | |
6353 | if (dev_priv->skl_preferred_vco_freq == 0) | |
6354 | skl_set_preferred_cdclk_vco(dev_priv, | |
63911d72 | 6355 | dev_priv->cdclk_pll.vco); |
70c2c184 | 6356 | return; |
1cd593e0 | 6357 | } |
5d96d8af | 6358 | |
70c2c184 VS |
6359 | vco = dev_priv->skl_preferred_vco_freq; |
6360 | if (vco == 0) | |
63911d72 | 6361 | vco = 8100000; |
70c2c184 | 6362 | cdclk = skl_calc_cdclk(0, vco); |
5d96d8af | 6363 | |
70c2c184 | 6364 | skl_set_cdclk(dev_priv, cdclk, vco); |
5d96d8af DL |
6365 | } |
6366 | ||
9f7eb31a | 6367 | static void skl_sanitize_cdclk(struct drm_i915_private *dev_priv) |
c73666f3 | 6368 | { |
09492498 | 6369 | uint32_t cdctl, expected; |
c73666f3 | 6370 | |
f1b391a5 SK |
6371 | /* |
6372 | * check if the pre-os intialized the display | |
6373 | * There is SWF18 scratchpad register defined which is set by the | |
6374 | * pre-os which can be used by the OS drivers to check the status | |
6375 | */ | |
6376 | if ((I915_READ(SWF_ILK(0x18)) & 0x00FFFFFF) == 0) | |
6377 | goto sanitize; | |
6378 | ||
91c8a326 | 6379 | intel_update_cdclk(&dev_priv->drm); |
c73666f3 | 6380 | /* Is PLL enabled and locked ? */ |
1c3f7700 ID |
6381 | if (dev_priv->cdclk_pll.vco == 0 || |
6382 | dev_priv->cdclk_freq == dev_priv->cdclk_pll.ref) | |
c73666f3 SK |
6383 | goto sanitize; |
6384 | ||
6385 | /* DPLL okay; verify the cdclock | |
6386 | * | |
6387 | * Noticed in some instances that the freq selection is correct but | |
6388 | * decimal part is programmed wrong from BIOS where pre-os does not | |
6389 | * enable display. Verify the same as well. | |
6390 | */ | |
09492498 VS |
6391 | cdctl = I915_READ(CDCLK_CTL); |
6392 | expected = (cdctl & CDCLK_FREQ_SEL_MASK) | | |
6393 | skl_cdclk_decimal(dev_priv->cdclk_freq); | |
6394 | if (cdctl == expected) | |
c73666f3 | 6395 | /* All well; nothing to sanitize */ |
9f7eb31a | 6396 | return; |
c89e39f3 | 6397 | |
9f7eb31a VS |
6398 | sanitize: |
6399 | DRM_DEBUG_KMS("Sanitizing cdclk programmed by pre-os\n"); | |
c73666f3 | 6400 | |
9f7eb31a VS |
6401 | /* force cdclk programming */ |
6402 | dev_priv->cdclk_freq = 0; | |
6403 | /* force full PLL disable + enable */ | |
63911d72 | 6404 | dev_priv->cdclk_pll.vco = -1; |
c73666f3 SK |
6405 | } |
6406 | ||
30a970c6 JB |
6407 | /* Adjust CDclk dividers to allow high res or save power if possible */ |
6408 | static void valleyview_set_cdclk(struct drm_device *dev, int cdclk) | |
6409 | { | |
fac5e23e | 6410 | struct drm_i915_private *dev_priv = to_i915(dev); |
30a970c6 JB |
6411 | u32 val, cmd; |
6412 | ||
164dfd28 VK |
6413 | WARN_ON(dev_priv->display.get_display_clock_speed(dev) |
6414 | != dev_priv->cdclk_freq); | |
d60c4473 | 6415 | |
dfcab17e | 6416 | if (cdclk >= 320000) /* jump to highest voltage for 400MHz too */ |
30a970c6 | 6417 | cmd = 2; |
dfcab17e | 6418 | else if (cdclk == 266667) |
30a970c6 JB |
6419 | cmd = 1; |
6420 | else | |
6421 | cmd = 0; | |
6422 | ||
6423 | mutex_lock(&dev_priv->rps.hw_lock); | |
6424 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); | |
6425 | val &= ~DSPFREQGUAR_MASK; | |
6426 | val |= (cmd << DSPFREQGUAR_SHIFT); | |
6427 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); | |
6428 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & | |
6429 | DSPFREQSTAT_MASK) == (cmd << DSPFREQSTAT_SHIFT), | |
6430 | 50)) { | |
6431 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
6432 | } | |
6433 | mutex_unlock(&dev_priv->rps.hw_lock); | |
6434 | ||
54433e91 VS |
6435 | mutex_lock(&dev_priv->sb_lock); |
6436 | ||
dfcab17e | 6437 | if (cdclk == 400000) { |
6bcda4f0 | 6438 | u32 divider; |
30a970c6 | 6439 | |
6bcda4f0 | 6440 | divider = DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, cdclk) - 1; |
30a970c6 | 6441 | |
30a970c6 JB |
6442 | /* adjust cdclk divider */ |
6443 | val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); | |
87d5d259 | 6444 | val &= ~CCK_FREQUENCY_VALUES; |
30a970c6 JB |
6445 | val |= divider; |
6446 | vlv_cck_write(dev_priv, CCK_DISPLAY_CLOCK_CONTROL, val); | |
a877e801 VS |
6447 | |
6448 | if (wait_for((vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL) & | |
87d5d259 | 6449 | CCK_FREQUENCY_STATUS) == (divider << CCK_FREQUENCY_STATUS_SHIFT), |
a877e801 VS |
6450 | 50)) |
6451 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
30a970c6 JB |
6452 | } |
6453 | ||
30a970c6 JB |
6454 | /* adjust self-refresh exit latency value */ |
6455 | val = vlv_bunit_read(dev_priv, BUNIT_REG_BISOC); | |
6456 | val &= ~0x7f; | |
6457 | ||
6458 | /* | |
6459 | * For high bandwidth configs, we set a higher latency in the bunit | |
6460 | * so that the core display fetch happens in time to avoid underruns. | |
6461 | */ | |
dfcab17e | 6462 | if (cdclk == 400000) |
30a970c6 JB |
6463 | val |= 4500 / 250; /* 4.5 usec */ |
6464 | else | |
6465 | val |= 3000 / 250; /* 3.0 usec */ | |
6466 | vlv_bunit_write(dev_priv, BUNIT_REG_BISOC, val); | |
54433e91 | 6467 | |
a580516d | 6468 | mutex_unlock(&dev_priv->sb_lock); |
30a970c6 | 6469 | |
b6283055 | 6470 | intel_update_cdclk(dev); |
30a970c6 JB |
6471 | } |
6472 | ||
383c5a6a VS |
6473 | static void cherryview_set_cdclk(struct drm_device *dev, int cdclk) |
6474 | { | |
fac5e23e | 6475 | struct drm_i915_private *dev_priv = to_i915(dev); |
383c5a6a VS |
6476 | u32 val, cmd; |
6477 | ||
164dfd28 VK |
6478 | WARN_ON(dev_priv->display.get_display_clock_speed(dev) |
6479 | != dev_priv->cdclk_freq); | |
383c5a6a VS |
6480 | |
6481 | switch (cdclk) { | |
383c5a6a VS |
6482 | case 333333: |
6483 | case 320000: | |
383c5a6a | 6484 | case 266667: |
383c5a6a | 6485 | case 200000: |
383c5a6a VS |
6486 | break; |
6487 | default: | |
5f77eeb0 | 6488 | MISSING_CASE(cdclk); |
383c5a6a VS |
6489 | return; |
6490 | } | |
6491 | ||
9d0d3fda VS |
6492 | /* |
6493 | * Specs are full of misinformation, but testing on actual | |
6494 | * hardware has shown that we just need to write the desired | |
6495 | * CCK divider into the Punit register. | |
6496 | */ | |
6497 | cmd = DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, cdclk) - 1; | |
6498 | ||
383c5a6a VS |
6499 | mutex_lock(&dev_priv->rps.hw_lock); |
6500 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); | |
6501 | val &= ~DSPFREQGUAR_MASK_CHV; | |
6502 | val |= (cmd << DSPFREQGUAR_SHIFT_CHV); | |
6503 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); | |
6504 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & | |
6505 | DSPFREQSTAT_MASK_CHV) == (cmd << DSPFREQSTAT_SHIFT_CHV), | |
6506 | 50)) { | |
6507 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
6508 | } | |
6509 | mutex_unlock(&dev_priv->rps.hw_lock); | |
6510 | ||
b6283055 | 6511 | intel_update_cdclk(dev); |
383c5a6a VS |
6512 | } |
6513 | ||
30a970c6 JB |
6514 | static int valleyview_calc_cdclk(struct drm_i915_private *dev_priv, |
6515 | int max_pixclk) | |
6516 | { | |
6bcda4f0 | 6517 | int freq_320 = (dev_priv->hpll_freq << 1) % 320000 != 0 ? 333333 : 320000; |
6cca3195 | 6518 | int limit = IS_CHERRYVIEW(dev_priv) ? 95 : 90; |
29dc7ef3 | 6519 | |
30a970c6 JB |
6520 | /* |
6521 | * Really only a few cases to deal with, as only 4 CDclks are supported: | |
6522 | * 200MHz | |
6523 | * 267MHz | |
29dc7ef3 | 6524 | * 320/333MHz (depends on HPLL freq) |
6cca3195 VS |
6525 | * 400MHz (VLV only) |
6526 | * So we check to see whether we're above 90% (VLV) or 95% (CHV) | |
6527 | * of the lower bin and adjust if needed. | |
e37c67a1 VS |
6528 | * |
6529 | * We seem to get an unstable or solid color picture at 200MHz. | |
6530 | * Not sure what's wrong. For now use 200MHz only when all pipes | |
6531 | * are off. | |
30a970c6 | 6532 | */ |
6cca3195 VS |
6533 | if (!IS_CHERRYVIEW(dev_priv) && |
6534 | max_pixclk > freq_320*limit/100) | |
dfcab17e | 6535 | return 400000; |
6cca3195 | 6536 | else if (max_pixclk > 266667*limit/100) |
29dc7ef3 | 6537 | return freq_320; |
e37c67a1 | 6538 | else if (max_pixclk > 0) |
dfcab17e | 6539 | return 266667; |
e37c67a1 VS |
6540 | else |
6541 | return 200000; | |
30a970c6 JB |
6542 | } |
6543 | ||
324513c0 | 6544 | static int bxt_calc_cdclk(int max_pixclk) |
f8437dd1 | 6545 | { |
760e1477 | 6546 | if (max_pixclk > 576000) |
f8437dd1 | 6547 | return 624000; |
760e1477 | 6548 | else if (max_pixclk > 384000) |
f8437dd1 | 6549 | return 576000; |
760e1477 | 6550 | else if (max_pixclk > 288000) |
f8437dd1 | 6551 | return 384000; |
760e1477 | 6552 | else if (max_pixclk > 144000) |
f8437dd1 VK |
6553 | return 288000; |
6554 | else | |
6555 | return 144000; | |
6556 | } | |
6557 | ||
e8788cbc | 6558 | /* Compute the max pixel clock for new configuration. */ |
a821fc46 ACO |
6559 | static int intel_mode_max_pixclk(struct drm_device *dev, |
6560 | struct drm_atomic_state *state) | |
30a970c6 | 6561 | { |
565602d7 | 6562 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); |
fac5e23e | 6563 | struct drm_i915_private *dev_priv = to_i915(dev); |
565602d7 ML |
6564 | struct drm_crtc *crtc; |
6565 | struct drm_crtc_state *crtc_state; | |
6566 | unsigned max_pixclk = 0, i; | |
6567 | enum pipe pipe; | |
30a970c6 | 6568 | |
565602d7 ML |
6569 | memcpy(intel_state->min_pixclk, dev_priv->min_pixclk, |
6570 | sizeof(intel_state->min_pixclk)); | |
304603f4 | 6571 | |
565602d7 ML |
6572 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
6573 | int pixclk = 0; | |
6574 | ||
6575 | if (crtc_state->enable) | |
6576 | pixclk = crtc_state->adjusted_mode.crtc_clock; | |
304603f4 | 6577 | |
565602d7 | 6578 | intel_state->min_pixclk[i] = pixclk; |
30a970c6 JB |
6579 | } |
6580 | ||
565602d7 ML |
6581 | for_each_pipe(dev_priv, pipe) |
6582 | max_pixclk = max(intel_state->min_pixclk[pipe], max_pixclk); | |
6583 | ||
30a970c6 JB |
6584 | return max_pixclk; |
6585 | } | |
6586 | ||
27c329ed | 6587 | static int valleyview_modeset_calc_cdclk(struct drm_atomic_state *state) |
30a970c6 | 6588 | { |
27c329ed | 6589 | struct drm_device *dev = state->dev; |
fac5e23e | 6590 | struct drm_i915_private *dev_priv = to_i915(dev); |
27c329ed | 6591 | int max_pixclk = intel_mode_max_pixclk(dev, state); |
1a617b77 ML |
6592 | struct intel_atomic_state *intel_state = |
6593 | to_intel_atomic_state(state); | |
30a970c6 | 6594 | |
1a617b77 | 6595 | intel_state->cdclk = intel_state->dev_cdclk = |
27c329ed | 6596 | valleyview_calc_cdclk(dev_priv, max_pixclk); |
0a9ab303 | 6597 | |
1a617b77 ML |
6598 | if (!intel_state->active_crtcs) |
6599 | intel_state->dev_cdclk = valleyview_calc_cdclk(dev_priv, 0); | |
6600 | ||
27c329ed ML |
6601 | return 0; |
6602 | } | |
304603f4 | 6603 | |
324513c0 | 6604 | static int bxt_modeset_calc_cdclk(struct drm_atomic_state *state) |
27c329ed | 6605 | { |
4e5ca60f | 6606 | int max_pixclk = ilk_max_pixel_rate(state); |
1a617b77 ML |
6607 | struct intel_atomic_state *intel_state = |
6608 | to_intel_atomic_state(state); | |
85a96e7a | 6609 | |
1a617b77 | 6610 | intel_state->cdclk = intel_state->dev_cdclk = |
324513c0 | 6611 | bxt_calc_cdclk(max_pixclk); |
85a96e7a | 6612 | |
1a617b77 | 6613 | if (!intel_state->active_crtcs) |
324513c0 | 6614 | intel_state->dev_cdclk = bxt_calc_cdclk(0); |
1a617b77 | 6615 | |
27c329ed | 6616 | return 0; |
30a970c6 JB |
6617 | } |
6618 | ||
1e69cd74 VS |
6619 | static void vlv_program_pfi_credits(struct drm_i915_private *dev_priv) |
6620 | { | |
6621 | unsigned int credits, default_credits; | |
6622 | ||
6623 | if (IS_CHERRYVIEW(dev_priv)) | |
6624 | default_credits = PFI_CREDIT(12); | |
6625 | else | |
6626 | default_credits = PFI_CREDIT(8); | |
6627 | ||
bfa7df01 | 6628 | if (dev_priv->cdclk_freq >= dev_priv->czclk_freq) { |
1e69cd74 VS |
6629 | /* CHV suggested value is 31 or 63 */ |
6630 | if (IS_CHERRYVIEW(dev_priv)) | |
fcc0008f | 6631 | credits = PFI_CREDIT_63; |
1e69cd74 VS |
6632 | else |
6633 | credits = PFI_CREDIT(15); | |
6634 | } else { | |
6635 | credits = default_credits; | |
6636 | } | |
6637 | ||
6638 | /* | |
6639 | * WA - write default credits before re-programming | |
6640 | * FIXME: should we also set the resend bit here? | |
6641 | */ | |
6642 | I915_WRITE(GCI_CONTROL, VGA_FAST_MODE_DISABLE | | |
6643 | default_credits); | |
6644 | ||
6645 | I915_WRITE(GCI_CONTROL, VGA_FAST_MODE_DISABLE | | |
6646 | credits | PFI_CREDIT_RESEND); | |
6647 | ||
6648 | /* | |
6649 | * FIXME is this guaranteed to clear | |
6650 | * immediately or should we poll for it? | |
6651 | */ | |
6652 | WARN_ON(I915_READ(GCI_CONTROL) & PFI_CREDIT_RESEND); | |
6653 | } | |
6654 | ||
27c329ed | 6655 | static void valleyview_modeset_commit_cdclk(struct drm_atomic_state *old_state) |
30a970c6 | 6656 | { |
a821fc46 | 6657 | struct drm_device *dev = old_state->dev; |
fac5e23e | 6658 | struct drm_i915_private *dev_priv = to_i915(dev); |
1a617b77 ML |
6659 | struct intel_atomic_state *old_intel_state = |
6660 | to_intel_atomic_state(old_state); | |
6661 | unsigned req_cdclk = old_intel_state->dev_cdclk; | |
30a970c6 | 6662 | |
27c329ed ML |
6663 | /* |
6664 | * FIXME: We can end up here with all power domains off, yet | |
6665 | * with a CDCLK frequency other than the minimum. To account | |
6666 | * for this take the PIPE-A power domain, which covers the HW | |
6667 | * blocks needed for the following programming. This can be | |
6668 | * removed once it's guaranteed that we get here either with | |
6669 | * the minimum CDCLK set, or the required power domains | |
6670 | * enabled. | |
6671 | */ | |
6672 | intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A); | |
738c05c0 | 6673 | |
27c329ed ML |
6674 | if (IS_CHERRYVIEW(dev)) |
6675 | cherryview_set_cdclk(dev, req_cdclk); | |
6676 | else | |
6677 | valleyview_set_cdclk(dev, req_cdclk); | |
738c05c0 | 6678 | |
27c329ed | 6679 | vlv_program_pfi_credits(dev_priv); |
1e69cd74 | 6680 | |
27c329ed | 6681 | intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A); |
30a970c6 JB |
6682 | } |
6683 | ||
4a806558 ML |
6684 | static void valleyview_crtc_enable(struct intel_crtc_state *pipe_config, |
6685 | struct drm_atomic_state *old_state) | |
89b667f8 | 6686 | { |
4a806558 | 6687 | struct drm_crtc *crtc = pipe_config->base.crtc; |
89b667f8 | 6688 | struct drm_device *dev = crtc->dev; |
a72e4c9f | 6689 | struct drm_i915_private *dev_priv = to_i915(dev); |
89b667f8 | 6690 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
89b667f8 | 6691 | int pipe = intel_crtc->pipe; |
89b667f8 | 6692 | |
53d9f4e9 | 6693 | if (WARN_ON(intel_crtc->active)) |
89b667f8 JB |
6694 | return; |
6695 | ||
37a5650b | 6696 | if (intel_crtc_has_dp_encoder(intel_crtc->config)) |
fe3cd48d | 6697 | intel_dp_set_m_n(intel_crtc, M1_N1); |
5b18e57c DV |
6698 | |
6699 | intel_set_pipe_timings(intel_crtc); | |
bc58be60 | 6700 | intel_set_pipe_src_size(intel_crtc); |
5b18e57c | 6701 | |
c14b0485 | 6702 | if (IS_CHERRYVIEW(dev) && pipe == PIPE_B) { |
fac5e23e | 6703 | struct drm_i915_private *dev_priv = to_i915(dev); |
c14b0485 VS |
6704 | |
6705 | I915_WRITE(CHV_BLEND(pipe), CHV_BLEND_LEGACY); | |
6706 | I915_WRITE(CHV_CANVAS(pipe), 0); | |
6707 | } | |
6708 | ||
5b18e57c DV |
6709 | i9xx_set_pipeconf(intel_crtc); |
6710 | ||
89b667f8 | 6711 | intel_crtc->active = true; |
89b667f8 | 6712 | |
a72e4c9f | 6713 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4a3436e8 | 6714 | |
fd6bbda9 | 6715 | intel_encoders_pre_pll_enable(crtc, pipe_config, old_state); |
89b667f8 | 6716 | |
cd2d34d9 VS |
6717 | if (IS_CHERRYVIEW(dev)) { |
6718 | chv_prepare_pll(intel_crtc, intel_crtc->config); | |
6719 | chv_enable_pll(intel_crtc, intel_crtc->config); | |
6720 | } else { | |
6721 | vlv_prepare_pll(intel_crtc, intel_crtc->config); | |
6722 | vlv_enable_pll(intel_crtc, intel_crtc->config); | |
9d556c99 | 6723 | } |
89b667f8 | 6724 | |
fd6bbda9 | 6725 | intel_encoders_pre_enable(crtc, pipe_config, old_state); |
89b667f8 | 6726 | |
2dd24552 JB |
6727 | i9xx_pfit_enable(intel_crtc); |
6728 | ||
b95c5321 | 6729 | intel_color_load_luts(&pipe_config->base); |
63cbb074 | 6730 | |
caed361d | 6731 | intel_update_watermarks(crtc); |
e1fdc473 | 6732 | intel_enable_pipe(intel_crtc); |
be6a6f8e | 6733 | |
4b3a9526 VS |
6734 | assert_vblank_disabled(crtc); |
6735 | drm_crtc_vblank_on(crtc); | |
6736 | ||
fd6bbda9 | 6737 | intel_encoders_enable(crtc, pipe_config, old_state); |
89b667f8 JB |
6738 | } |
6739 | ||
f13c2ef3 DV |
6740 | static void i9xx_set_pll_dividers(struct intel_crtc *crtc) |
6741 | { | |
6742 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 6743 | struct drm_i915_private *dev_priv = to_i915(dev); |
f13c2ef3 | 6744 | |
6e3c9717 ACO |
6745 | I915_WRITE(FP0(crtc->pipe), crtc->config->dpll_hw_state.fp0); |
6746 | I915_WRITE(FP1(crtc->pipe), crtc->config->dpll_hw_state.fp1); | |
f13c2ef3 DV |
6747 | } |
6748 | ||
4a806558 ML |
6749 | static void i9xx_crtc_enable(struct intel_crtc_state *pipe_config, |
6750 | struct drm_atomic_state *old_state) | |
79e53945 | 6751 | { |
4a806558 | 6752 | struct drm_crtc *crtc = pipe_config->base.crtc; |
79e53945 | 6753 | struct drm_device *dev = crtc->dev; |
a72e4c9f | 6754 | struct drm_i915_private *dev_priv = to_i915(dev); |
79e53945 | 6755 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
cd2d34d9 | 6756 | enum pipe pipe = intel_crtc->pipe; |
79e53945 | 6757 | |
53d9f4e9 | 6758 | if (WARN_ON(intel_crtc->active)) |
f7abfe8b CW |
6759 | return; |
6760 | ||
f13c2ef3 DV |
6761 | i9xx_set_pll_dividers(intel_crtc); |
6762 | ||
37a5650b | 6763 | if (intel_crtc_has_dp_encoder(intel_crtc->config)) |
fe3cd48d | 6764 | intel_dp_set_m_n(intel_crtc, M1_N1); |
5b18e57c DV |
6765 | |
6766 | intel_set_pipe_timings(intel_crtc); | |
bc58be60 | 6767 | intel_set_pipe_src_size(intel_crtc); |
5b18e57c | 6768 | |
5b18e57c DV |
6769 | i9xx_set_pipeconf(intel_crtc); |
6770 | ||
f7abfe8b | 6771 | intel_crtc->active = true; |
6b383a7f | 6772 | |
4a3436e8 | 6773 | if (!IS_GEN2(dev)) |
a72e4c9f | 6774 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4a3436e8 | 6775 | |
fd6bbda9 | 6776 | intel_encoders_pre_enable(crtc, pipe_config, old_state); |
9d6d9f19 | 6777 | |
f6736a1a DV |
6778 | i9xx_enable_pll(intel_crtc); |
6779 | ||
2dd24552 JB |
6780 | i9xx_pfit_enable(intel_crtc); |
6781 | ||
b95c5321 | 6782 | intel_color_load_luts(&pipe_config->base); |
63cbb074 | 6783 | |
f37fcc2a | 6784 | intel_update_watermarks(crtc); |
e1fdc473 | 6785 | intel_enable_pipe(intel_crtc); |
be6a6f8e | 6786 | |
4b3a9526 VS |
6787 | assert_vblank_disabled(crtc); |
6788 | drm_crtc_vblank_on(crtc); | |
6789 | ||
fd6bbda9 | 6790 | intel_encoders_enable(crtc, pipe_config, old_state); |
0b8765c6 | 6791 | } |
79e53945 | 6792 | |
87476d63 DV |
6793 | static void i9xx_pfit_disable(struct intel_crtc *crtc) |
6794 | { | |
6795 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 6796 | struct drm_i915_private *dev_priv = to_i915(dev); |
87476d63 | 6797 | |
6e3c9717 | 6798 | if (!crtc->config->gmch_pfit.control) |
328d8e82 | 6799 | return; |
87476d63 | 6800 | |
328d8e82 | 6801 | assert_pipe_disabled(dev_priv, crtc->pipe); |
87476d63 | 6802 | |
328d8e82 DV |
6803 | DRM_DEBUG_DRIVER("disabling pfit, current: 0x%08x\n", |
6804 | I915_READ(PFIT_CONTROL)); | |
6805 | I915_WRITE(PFIT_CONTROL, 0); | |
87476d63 DV |
6806 | } |
6807 | ||
4a806558 ML |
6808 | static void i9xx_crtc_disable(struct intel_crtc_state *old_crtc_state, |
6809 | struct drm_atomic_state *old_state) | |
0b8765c6 | 6810 | { |
4a806558 | 6811 | struct drm_crtc *crtc = old_crtc_state->base.crtc; |
0b8765c6 | 6812 | struct drm_device *dev = crtc->dev; |
fac5e23e | 6813 | struct drm_i915_private *dev_priv = to_i915(dev); |
0b8765c6 JB |
6814 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6815 | int pipe = intel_crtc->pipe; | |
ef9c3aee | 6816 | |
6304cd91 VS |
6817 | /* |
6818 | * On gen2 planes are double buffered but the pipe isn't, so we must | |
6819 | * wait for planes to fully turn off before disabling the pipe. | |
6820 | */ | |
90e83e53 ACO |
6821 | if (IS_GEN2(dev)) |
6822 | intel_wait_for_vblank(dev, pipe); | |
6304cd91 | 6823 | |
fd6bbda9 | 6824 | intel_encoders_disable(crtc, old_crtc_state, old_state); |
4b3a9526 | 6825 | |
f9b61ff6 DV |
6826 | drm_crtc_vblank_off(crtc); |
6827 | assert_vblank_disabled(crtc); | |
6828 | ||
575f7ab7 | 6829 | intel_disable_pipe(intel_crtc); |
24a1f16d | 6830 | |
87476d63 | 6831 | i9xx_pfit_disable(intel_crtc); |
24a1f16d | 6832 | |
fd6bbda9 | 6833 | intel_encoders_post_disable(crtc, old_crtc_state, old_state); |
89b667f8 | 6834 | |
d7edc4e5 | 6835 | if (!intel_crtc_has_type(intel_crtc->config, INTEL_OUTPUT_DSI)) { |
076ed3b2 CML |
6836 | if (IS_CHERRYVIEW(dev)) |
6837 | chv_disable_pll(dev_priv, pipe); | |
6838 | else if (IS_VALLEYVIEW(dev)) | |
6839 | vlv_disable_pll(dev_priv, pipe); | |
6840 | else | |
1c4e0274 | 6841 | i9xx_disable_pll(intel_crtc); |
076ed3b2 | 6842 | } |
0b8765c6 | 6843 | |
fd6bbda9 | 6844 | intel_encoders_post_pll_disable(crtc, old_crtc_state, old_state); |
d6db995f | 6845 | |
4a3436e8 | 6846 | if (!IS_GEN2(dev)) |
a72e4c9f | 6847 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); |
0b8765c6 JB |
6848 | } |
6849 | ||
b17d48e2 ML |
6850 | static void intel_crtc_disable_noatomic(struct drm_crtc *crtc) |
6851 | { | |
842e0307 | 6852 | struct intel_encoder *encoder; |
b17d48e2 ML |
6853 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6854 | struct drm_i915_private *dev_priv = to_i915(crtc->dev); | |
6855 | enum intel_display_power_domain domain; | |
6856 | unsigned long domains; | |
4a806558 ML |
6857 | struct drm_atomic_state *state; |
6858 | struct intel_crtc_state *crtc_state; | |
6859 | int ret; | |
b17d48e2 ML |
6860 | |
6861 | if (!intel_crtc->active) | |
6862 | return; | |
6863 | ||
936e71e3 | 6864 | if (to_intel_plane_state(crtc->primary->state)->base.visible) { |
5a21b665 | 6865 | WARN_ON(intel_crtc->flip_work); |
fc32b1fd | 6866 | |
2622a081 | 6867 | intel_pre_disable_primary_noatomic(crtc); |
54a41961 ML |
6868 | |
6869 | intel_crtc_disable_planes(crtc, 1 << drm_plane_index(crtc->primary)); | |
936e71e3 | 6870 | to_intel_plane_state(crtc->primary->state)->base.visible = false; |
a539205a ML |
6871 | } |
6872 | ||
4a806558 ML |
6873 | state = drm_atomic_state_alloc(crtc->dev); |
6874 | state->acquire_ctx = crtc->dev->mode_config.acquire_ctx; | |
6875 | ||
6876 | /* Everything's already locked, -EDEADLK can't happen. */ | |
6877 | crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); | |
6878 | ret = drm_atomic_add_affected_connectors(state, crtc); | |
6879 | ||
6880 | WARN_ON(IS_ERR(crtc_state) || ret); | |
6881 | ||
6882 | dev_priv->display.crtc_disable(crtc_state, state); | |
6883 | ||
6884 | drm_atomic_state_free(state); | |
842e0307 | 6885 | |
78108b7c VS |
6886 | DRM_DEBUG_KMS("[CRTC:%d:%s] hw state adjusted, was enabled, now disabled\n", |
6887 | crtc->base.id, crtc->name); | |
842e0307 ML |
6888 | |
6889 | WARN_ON(drm_atomic_set_mode_for_crtc(crtc->state, NULL) < 0); | |
6890 | crtc->state->active = false; | |
37d9078b | 6891 | intel_crtc->active = false; |
842e0307 ML |
6892 | crtc->enabled = false; |
6893 | crtc->state->connector_mask = 0; | |
6894 | crtc->state->encoder_mask = 0; | |
6895 | ||
6896 | for_each_encoder_on_crtc(crtc->dev, crtc, encoder) | |
6897 | encoder->base.crtc = NULL; | |
6898 | ||
58f9c0bc | 6899 | intel_fbc_disable(intel_crtc); |
37d9078b | 6900 | intel_update_watermarks(crtc); |
1f7457b1 | 6901 | intel_disable_shared_dpll(intel_crtc); |
b17d48e2 ML |
6902 | |
6903 | domains = intel_crtc->enabled_power_domains; | |
6904 | for_each_power_domain(domain, domains) | |
6905 | intel_display_power_put(dev_priv, domain); | |
6906 | intel_crtc->enabled_power_domains = 0; | |
565602d7 ML |
6907 | |
6908 | dev_priv->active_crtcs &= ~(1 << intel_crtc->pipe); | |
6909 | dev_priv->min_pixclk[intel_crtc->pipe] = 0; | |
b17d48e2 ML |
6910 | } |
6911 | ||
6b72d486 ML |
6912 | /* |
6913 | * turn all crtc's off, but do not adjust state | |
6914 | * This has to be paired with a call to intel_modeset_setup_hw_state. | |
6915 | */ | |
70e0bd74 | 6916 | int intel_display_suspend(struct drm_device *dev) |
ee7b9f93 | 6917 | { |
e2c8b870 | 6918 | struct drm_i915_private *dev_priv = to_i915(dev); |
70e0bd74 | 6919 | struct drm_atomic_state *state; |
e2c8b870 | 6920 | int ret; |
70e0bd74 | 6921 | |
e2c8b870 ML |
6922 | state = drm_atomic_helper_suspend(dev); |
6923 | ret = PTR_ERR_OR_ZERO(state); | |
70e0bd74 ML |
6924 | if (ret) |
6925 | DRM_ERROR("Suspending crtc's failed with %i\n", ret); | |
e2c8b870 ML |
6926 | else |
6927 | dev_priv->modeset_restore_state = state; | |
70e0bd74 | 6928 | return ret; |
ee7b9f93 JB |
6929 | } |
6930 | ||
ea5b213a | 6931 | void intel_encoder_destroy(struct drm_encoder *encoder) |
7e7d76c3 | 6932 | { |
4ef69c7a | 6933 | struct intel_encoder *intel_encoder = to_intel_encoder(encoder); |
ea5b213a | 6934 | |
ea5b213a CW |
6935 | drm_encoder_cleanup(encoder); |
6936 | kfree(intel_encoder); | |
7e7d76c3 JB |
6937 | } |
6938 | ||
0a91ca29 DV |
6939 | /* Cross check the actual hw state with our own modeset state tracking (and it's |
6940 | * internal consistency). */ | |
5a21b665 | 6941 | static void intel_connector_verify_state(struct intel_connector *connector) |
79e53945 | 6942 | { |
5a21b665 | 6943 | struct drm_crtc *crtc = connector->base.state->crtc; |
35dd3c64 ML |
6944 | |
6945 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", | |
6946 | connector->base.base.id, | |
6947 | connector->base.name); | |
6948 | ||
0a91ca29 | 6949 | if (connector->get_hw_state(connector)) { |
e85376cb | 6950 | struct intel_encoder *encoder = connector->encoder; |
5a21b665 | 6951 | struct drm_connector_state *conn_state = connector->base.state; |
0a91ca29 | 6952 | |
35dd3c64 ML |
6953 | I915_STATE_WARN(!crtc, |
6954 | "connector enabled without attached crtc\n"); | |
0a91ca29 | 6955 | |
35dd3c64 ML |
6956 | if (!crtc) |
6957 | return; | |
6958 | ||
6959 | I915_STATE_WARN(!crtc->state->active, | |
6960 | "connector is active, but attached crtc isn't\n"); | |
6961 | ||
e85376cb | 6962 | if (!encoder || encoder->type == INTEL_OUTPUT_DP_MST) |
35dd3c64 ML |
6963 | return; |
6964 | ||
e85376cb | 6965 | I915_STATE_WARN(conn_state->best_encoder != &encoder->base, |
35dd3c64 ML |
6966 | "atomic encoder doesn't match attached encoder\n"); |
6967 | ||
e85376cb | 6968 | I915_STATE_WARN(conn_state->crtc != encoder->base.crtc, |
35dd3c64 ML |
6969 | "attached encoder crtc differs from connector crtc\n"); |
6970 | } else { | |
4d688a2a ML |
6971 | I915_STATE_WARN(crtc && crtc->state->active, |
6972 | "attached crtc is active, but connector isn't\n"); | |
5a21b665 | 6973 | I915_STATE_WARN(!crtc && connector->base.state->best_encoder, |
35dd3c64 | 6974 | "best encoder set without crtc!\n"); |
0a91ca29 | 6975 | } |
79e53945 JB |
6976 | } |
6977 | ||
08d9bc92 ACO |
6978 | int intel_connector_init(struct intel_connector *connector) |
6979 | { | |
5350a031 | 6980 | drm_atomic_helper_connector_reset(&connector->base); |
08d9bc92 | 6981 | |
5350a031 | 6982 | if (!connector->base.state) |
08d9bc92 ACO |
6983 | return -ENOMEM; |
6984 | ||
08d9bc92 ACO |
6985 | return 0; |
6986 | } | |
6987 | ||
6988 | struct intel_connector *intel_connector_alloc(void) | |
6989 | { | |
6990 | struct intel_connector *connector; | |
6991 | ||
6992 | connector = kzalloc(sizeof *connector, GFP_KERNEL); | |
6993 | if (!connector) | |
6994 | return NULL; | |
6995 | ||
6996 | if (intel_connector_init(connector) < 0) { | |
6997 | kfree(connector); | |
6998 | return NULL; | |
6999 | } | |
7000 | ||
7001 | return connector; | |
7002 | } | |
7003 | ||
f0947c37 DV |
7004 | /* Simple connector->get_hw_state implementation for encoders that support only |
7005 | * one connector and no cloning and hence the encoder state determines the state | |
7006 | * of the connector. */ | |
7007 | bool intel_connector_get_hw_state(struct intel_connector *connector) | |
ea5b213a | 7008 | { |
24929352 | 7009 | enum pipe pipe = 0; |
f0947c37 | 7010 | struct intel_encoder *encoder = connector->encoder; |
ea5b213a | 7011 | |
f0947c37 | 7012 | return encoder->get_hw_state(encoder, &pipe); |
ea5b213a CW |
7013 | } |
7014 | ||
6d293983 | 7015 | static int pipe_required_fdi_lanes(struct intel_crtc_state *crtc_state) |
d272ddfa | 7016 | { |
6d293983 ACO |
7017 | if (crtc_state->base.enable && crtc_state->has_pch_encoder) |
7018 | return crtc_state->fdi_lanes; | |
d272ddfa VS |
7019 | |
7020 | return 0; | |
7021 | } | |
7022 | ||
6d293983 | 7023 | static int ironlake_check_fdi_lanes(struct drm_device *dev, enum pipe pipe, |
5cec258b | 7024 | struct intel_crtc_state *pipe_config) |
1857e1da | 7025 | { |
6d293983 ACO |
7026 | struct drm_atomic_state *state = pipe_config->base.state; |
7027 | struct intel_crtc *other_crtc; | |
7028 | struct intel_crtc_state *other_crtc_state; | |
7029 | ||
1857e1da DV |
7030 | DRM_DEBUG_KMS("checking fdi config on pipe %c, lanes %i\n", |
7031 | pipe_name(pipe), pipe_config->fdi_lanes); | |
7032 | if (pipe_config->fdi_lanes > 4) { | |
7033 | DRM_DEBUG_KMS("invalid fdi lane config on pipe %c: %i lanes\n", | |
7034 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 7035 | return -EINVAL; |
1857e1da DV |
7036 | } |
7037 | ||
bafb6553 | 7038 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
1857e1da DV |
7039 | if (pipe_config->fdi_lanes > 2) { |
7040 | DRM_DEBUG_KMS("only 2 lanes on haswell, required: %i lanes\n", | |
7041 | pipe_config->fdi_lanes); | |
6d293983 | 7042 | return -EINVAL; |
1857e1da | 7043 | } else { |
6d293983 | 7044 | return 0; |
1857e1da DV |
7045 | } |
7046 | } | |
7047 | ||
7048 | if (INTEL_INFO(dev)->num_pipes == 2) | |
6d293983 | 7049 | return 0; |
1857e1da DV |
7050 | |
7051 | /* Ivybridge 3 pipe is really complicated */ | |
7052 | switch (pipe) { | |
7053 | case PIPE_A: | |
6d293983 | 7054 | return 0; |
1857e1da | 7055 | case PIPE_B: |
6d293983 ACO |
7056 | if (pipe_config->fdi_lanes <= 2) |
7057 | return 0; | |
7058 | ||
7059 | other_crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev, PIPE_C)); | |
7060 | other_crtc_state = | |
7061 | intel_atomic_get_crtc_state(state, other_crtc); | |
7062 | if (IS_ERR(other_crtc_state)) | |
7063 | return PTR_ERR(other_crtc_state); | |
7064 | ||
7065 | if (pipe_required_fdi_lanes(other_crtc_state) > 0) { | |
1857e1da DV |
7066 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n", |
7067 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 7068 | return -EINVAL; |
1857e1da | 7069 | } |
6d293983 | 7070 | return 0; |
1857e1da | 7071 | case PIPE_C: |
251cc67c VS |
7072 | if (pipe_config->fdi_lanes > 2) { |
7073 | DRM_DEBUG_KMS("only 2 lanes on pipe %c: required %i lanes\n", | |
7074 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 7075 | return -EINVAL; |
251cc67c | 7076 | } |
6d293983 ACO |
7077 | |
7078 | other_crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev, PIPE_B)); | |
7079 | other_crtc_state = | |
7080 | intel_atomic_get_crtc_state(state, other_crtc); | |
7081 | if (IS_ERR(other_crtc_state)) | |
7082 | return PTR_ERR(other_crtc_state); | |
7083 | ||
7084 | if (pipe_required_fdi_lanes(other_crtc_state) > 2) { | |
1857e1da | 7085 | DRM_DEBUG_KMS("fdi link B uses too many lanes to enable link C\n"); |
6d293983 | 7086 | return -EINVAL; |
1857e1da | 7087 | } |
6d293983 | 7088 | return 0; |
1857e1da DV |
7089 | default: |
7090 | BUG(); | |
7091 | } | |
7092 | } | |
7093 | ||
e29c22c0 DV |
7094 | #define RETRY 1 |
7095 | static int ironlake_fdi_compute_config(struct intel_crtc *intel_crtc, | |
5cec258b | 7096 | struct intel_crtc_state *pipe_config) |
877d48d5 | 7097 | { |
1857e1da | 7098 | struct drm_device *dev = intel_crtc->base.dev; |
7c5f93b0 | 7099 | const struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
6d293983 ACO |
7100 | int lane, link_bw, fdi_dotclock, ret; |
7101 | bool needs_recompute = false; | |
877d48d5 | 7102 | |
e29c22c0 | 7103 | retry: |
877d48d5 DV |
7104 | /* FDI is a binary signal running at ~2.7GHz, encoding |
7105 | * each output octet as 10 bits. The actual frequency | |
7106 | * is stored as a divider into a 100MHz clock, and the | |
7107 | * mode pixel clock is stored in units of 1KHz. | |
7108 | * Hence the bw of each lane in terms of the mode signal | |
7109 | * is: | |
7110 | */ | |
21a727b3 | 7111 | link_bw = intel_fdi_link_freq(to_i915(dev), pipe_config); |
877d48d5 | 7112 | |
241bfc38 | 7113 | fdi_dotclock = adjusted_mode->crtc_clock; |
877d48d5 | 7114 | |
2bd89a07 | 7115 | lane = ironlake_get_lanes_required(fdi_dotclock, link_bw, |
877d48d5 DV |
7116 | pipe_config->pipe_bpp); |
7117 | ||
7118 | pipe_config->fdi_lanes = lane; | |
7119 | ||
2bd89a07 | 7120 | intel_link_compute_m_n(pipe_config->pipe_bpp, lane, fdi_dotclock, |
877d48d5 | 7121 | link_bw, &pipe_config->fdi_m_n); |
1857e1da | 7122 | |
e3b247da | 7123 | ret = ironlake_check_fdi_lanes(dev, intel_crtc->pipe, pipe_config); |
6d293983 | 7124 | if (ret == -EINVAL && pipe_config->pipe_bpp > 6*3) { |
e29c22c0 DV |
7125 | pipe_config->pipe_bpp -= 2*3; |
7126 | DRM_DEBUG_KMS("fdi link bw constraint, reducing pipe bpp to %i\n", | |
7127 | pipe_config->pipe_bpp); | |
7128 | needs_recompute = true; | |
7129 | pipe_config->bw_constrained = true; | |
7130 | ||
7131 | goto retry; | |
7132 | } | |
7133 | ||
7134 | if (needs_recompute) | |
7135 | return RETRY; | |
7136 | ||
6d293983 | 7137 | return ret; |
877d48d5 DV |
7138 | } |
7139 | ||
8cfb3407 VS |
7140 | static bool pipe_config_supports_ips(struct drm_i915_private *dev_priv, |
7141 | struct intel_crtc_state *pipe_config) | |
7142 | { | |
7143 | if (pipe_config->pipe_bpp > 24) | |
7144 | return false; | |
7145 | ||
7146 | /* HSW can handle pixel rate up to cdclk? */ | |
2d1fe073 | 7147 | if (IS_HASWELL(dev_priv)) |
8cfb3407 VS |
7148 | return true; |
7149 | ||
7150 | /* | |
b432e5cf VS |
7151 | * We compare against max which means we must take |
7152 | * the increased cdclk requirement into account when | |
7153 | * calculating the new cdclk. | |
7154 | * | |
7155 | * Should measure whether using a lower cdclk w/o IPS | |
8cfb3407 VS |
7156 | */ |
7157 | return ilk_pipe_pixel_rate(pipe_config) <= | |
7158 | dev_priv->max_cdclk_freq * 95 / 100; | |
7159 | } | |
7160 | ||
42db64ef | 7161 | static void hsw_compute_ips_config(struct intel_crtc *crtc, |
5cec258b | 7162 | struct intel_crtc_state *pipe_config) |
42db64ef | 7163 | { |
8cfb3407 | 7164 | struct drm_device *dev = crtc->base.dev; |
fac5e23e | 7165 | struct drm_i915_private *dev_priv = to_i915(dev); |
8cfb3407 | 7166 | |
d330a953 | 7167 | pipe_config->ips_enabled = i915.enable_ips && |
8cfb3407 VS |
7168 | hsw_crtc_supports_ips(crtc) && |
7169 | pipe_config_supports_ips(dev_priv, pipe_config); | |
42db64ef PZ |
7170 | } |
7171 | ||
39acb4aa VS |
7172 | static bool intel_crtc_supports_double_wide(const struct intel_crtc *crtc) |
7173 | { | |
7174 | const struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); | |
7175 | ||
7176 | /* GDG double wide on either pipe, otherwise pipe A only */ | |
7177 | return INTEL_INFO(dev_priv)->gen < 4 && | |
7178 | (crtc->pipe == PIPE_A || IS_I915G(dev_priv)); | |
7179 | } | |
7180 | ||
a43f6e0f | 7181 | static int intel_crtc_compute_config(struct intel_crtc *crtc, |
5cec258b | 7182 | struct intel_crtc_state *pipe_config) |
79e53945 | 7183 | { |
a43f6e0f | 7184 | struct drm_device *dev = crtc->base.dev; |
fac5e23e | 7185 | struct drm_i915_private *dev_priv = to_i915(dev); |
7c5f93b0 | 7186 | const struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
f3261156 | 7187 | int clock_limit = dev_priv->max_dotclk_freq; |
89749350 | 7188 | |
cf532bb2 | 7189 | if (INTEL_INFO(dev)->gen < 4) { |
f3261156 | 7190 | clock_limit = dev_priv->max_cdclk_freq * 9 / 10; |
cf532bb2 VS |
7191 | |
7192 | /* | |
39acb4aa | 7193 | * Enable double wide mode when the dot clock |
cf532bb2 | 7194 | * is > 90% of the (display) core speed. |
cf532bb2 | 7195 | */ |
39acb4aa VS |
7196 | if (intel_crtc_supports_double_wide(crtc) && |
7197 | adjusted_mode->crtc_clock > clock_limit) { | |
f3261156 | 7198 | clock_limit = dev_priv->max_dotclk_freq; |
cf532bb2 | 7199 | pipe_config->double_wide = true; |
ad3a4479 | 7200 | } |
f3261156 | 7201 | } |
ad3a4479 | 7202 | |
f3261156 VS |
7203 | if (adjusted_mode->crtc_clock > clock_limit) { |
7204 | DRM_DEBUG_KMS("requested pixel clock (%d kHz) too high (max: %d kHz, double wide: %s)\n", | |
7205 | adjusted_mode->crtc_clock, clock_limit, | |
7206 | yesno(pipe_config->double_wide)); | |
7207 | return -EINVAL; | |
2c07245f | 7208 | } |
89749350 | 7209 | |
1d1d0e27 VS |
7210 | /* |
7211 | * Pipe horizontal size must be even in: | |
7212 | * - DVO ganged mode | |
7213 | * - LVDS dual channel mode | |
7214 | * - Double wide pipe | |
7215 | */ | |
2d84d2b3 | 7216 | if ((intel_crtc_has_type(pipe_config, INTEL_OUTPUT_LVDS) && |
1d1d0e27 VS |
7217 | intel_is_dual_link_lvds(dev)) || pipe_config->double_wide) |
7218 | pipe_config->pipe_src_w &= ~1; | |
7219 | ||
8693a824 DL |
7220 | /* Cantiga+ cannot handle modes with a hsync front porch of 0. |
7221 | * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw. | |
44f46b42 CW |
7222 | */ |
7223 | if ((INTEL_INFO(dev)->gen > 4 || IS_G4X(dev)) && | |
aad941d5 | 7224 | adjusted_mode->crtc_hsync_start == adjusted_mode->crtc_hdisplay) |
e29c22c0 | 7225 | return -EINVAL; |
44f46b42 | 7226 | |
f5adf94e | 7227 | if (HAS_IPS(dev)) |
a43f6e0f DV |
7228 | hsw_compute_ips_config(crtc, pipe_config); |
7229 | ||
877d48d5 | 7230 | if (pipe_config->has_pch_encoder) |
a43f6e0f | 7231 | return ironlake_fdi_compute_config(crtc, pipe_config); |
877d48d5 | 7232 | |
cf5a15be | 7233 | return 0; |
79e53945 JB |
7234 | } |
7235 | ||
1652d19e VS |
7236 | static int skylake_get_display_clock_speed(struct drm_device *dev) |
7237 | { | |
7238 | struct drm_i915_private *dev_priv = to_i915(dev); | |
ea61791e | 7239 | uint32_t cdctl; |
1652d19e | 7240 | |
ea61791e | 7241 | skl_dpll0_update(dev_priv); |
1652d19e | 7242 | |
63911d72 | 7243 | if (dev_priv->cdclk_pll.vco == 0) |
709e05c3 | 7244 | return dev_priv->cdclk_pll.ref; |
1652d19e | 7245 | |
ea61791e | 7246 | cdctl = I915_READ(CDCLK_CTL); |
1652d19e | 7247 | |
63911d72 | 7248 | if (dev_priv->cdclk_pll.vco == 8640000) { |
1652d19e VS |
7249 | switch (cdctl & CDCLK_FREQ_SEL_MASK) { |
7250 | case CDCLK_FREQ_450_432: | |
7251 | return 432000; | |
7252 | case CDCLK_FREQ_337_308: | |
487ed2e4 | 7253 | return 308571; |
ea61791e VS |
7254 | case CDCLK_FREQ_540: |
7255 | return 540000; | |
1652d19e | 7256 | case CDCLK_FREQ_675_617: |
487ed2e4 | 7257 | return 617143; |
1652d19e | 7258 | default: |
ea61791e | 7259 | MISSING_CASE(cdctl & CDCLK_FREQ_SEL_MASK); |
1652d19e VS |
7260 | } |
7261 | } else { | |
1652d19e VS |
7262 | switch (cdctl & CDCLK_FREQ_SEL_MASK) { |
7263 | case CDCLK_FREQ_450_432: | |
7264 | return 450000; | |
7265 | case CDCLK_FREQ_337_308: | |
7266 | return 337500; | |
ea61791e VS |
7267 | case CDCLK_FREQ_540: |
7268 | return 540000; | |
1652d19e VS |
7269 | case CDCLK_FREQ_675_617: |
7270 | return 675000; | |
7271 | default: | |
ea61791e | 7272 | MISSING_CASE(cdctl & CDCLK_FREQ_SEL_MASK); |
1652d19e VS |
7273 | } |
7274 | } | |
7275 | ||
709e05c3 | 7276 | return dev_priv->cdclk_pll.ref; |
1652d19e VS |
7277 | } |
7278 | ||
83d7c81f VS |
7279 | static void bxt_de_pll_update(struct drm_i915_private *dev_priv) |
7280 | { | |
7281 | u32 val; | |
7282 | ||
7283 | dev_priv->cdclk_pll.ref = 19200; | |
1c3f7700 | 7284 | dev_priv->cdclk_pll.vco = 0; |
83d7c81f VS |
7285 | |
7286 | val = I915_READ(BXT_DE_PLL_ENABLE); | |
1c3f7700 | 7287 | if ((val & BXT_DE_PLL_PLL_ENABLE) == 0) |
83d7c81f | 7288 | return; |
83d7c81f | 7289 | |
1c3f7700 ID |
7290 | if (WARN_ON((val & BXT_DE_PLL_LOCK) == 0)) |
7291 | return; | |
83d7c81f VS |
7292 | |
7293 | val = I915_READ(BXT_DE_PLL_CTL); | |
7294 | dev_priv->cdclk_pll.vco = (val & BXT_DE_PLL_RATIO_MASK) * | |
7295 | dev_priv->cdclk_pll.ref; | |
7296 | } | |
7297 | ||
acd3f3d3 BP |
7298 | static int broxton_get_display_clock_speed(struct drm_device *dev) |
7299 | { | |
7300 | struct drm_i915_private *dev_priv = to_i915(dev); | |
f5986242 VS |
7301 | u32 divider; |
7302 | int div, vco; | |
acd3f3d3 | 7303 | |
83d7c81f VS |
7304 | bxt_de_pll_update(dev_priv); |
7305 | ||
f5986242 VS |
7306 | vco = dev_priv->cdclk_pll.vco; |
7307 | if (vco == 0) | |
7308 | return dev_priv->cdclk_pll.ref; | |
acd3f3d3 | 7309 | |
f5986242 | 7310 | divider = I915_READ(CDCLK_CTL) & BXT_CDCLK_CD2X_DIV_SEL_MASK; |
acd3f3d3 | 7311 | |
f5986242 | 7312 | switch (divider) { |
acd3f3d3 | 7313 | case BXT_CDCLK_CD2X_DIV_SEL_1: |
f5986242 VS |
7314 | div = 2; |
7315 | break; | |
acd3f3d3 | 7316 | case BXT_CDCLK_CD2X_DIV_SEL_1_5: |
f5986242 VS |
7317 | div = 3; |
7318 | break; | |
acd3f3d3 | 7319 | case BXT_CDCLK_CD2X_DIV_SEL_2: |
f5986242 VS |
7320 | div = 4; |
7321 | break; | |
acd3f3d3 | 7322 | case BXT_CDCLK_CD2X_DIV_SEL_4: |
f5986242 VS |
7323 | div = 8; |
7324 | break; | |
7325 | default: | |
7326 | MISSING_CASE(divider); | |
7327 | return dev_priv->cdclk_pll.ref; | |
acd3f3d3 BP |
7328 | } |
7329 | ||
f5986242 | 7330 | return DIV_ROUND_CLOSEST(vco, div); |
acd3f3d3 BP |
7331 | } |
7332 | ||
1652d19e VS |
7333 | static int broadwell_get_display_clock_speed(struct drm_device *dev) |
7334 | { | |
fac5e23e | 7335 | struct drm_i915_private *dev_priv = to_i915(dev); |
1652d19e VS |
7336 | uint32_t lcpll = I915_READ(LCPLL_CTL); |
7337 | uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK; | |
7338 | ||
7339 | if (lcpll & LCPLL_CD_SOURCE_FCLK) | |
7340 | return 800000; | |
7341 | else if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
7342 | return 450000; | |
7343 | else if (freq == LCPLL_CLK_FREQ_450) | |
7344 | return 450000; | |
7345 | else if (freq == LCPLL_CLK_FREQ_54O_BDW) | |
7346 | return 540000; | |
7347 | else if (freq == LCPLL_CLK_FREQ_337_5_BDW) | |
7348 | return 337500; | |
7349 | else | |
7350 | return 675000; | |
7351 | } | |
7352 | ||
7353 | static int haswell_get_display_clock_speed(struct drm_device *dev) | |
7354 | { | |
fac5e23e | 7355 | struct drm_i915_private *dev_priv = to_i915(dev); |
1652d19e VS |
7356 | uint32_t lcpll = I915_READ(LCPLL_CTL); |
7357 | uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK; | |
7358 | ||
7359 | if (lcpll & LCPLL_CD_SOURCE_FCLK) | |
7360 | return 800000; | |
7361 | else if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
7362 | return 450000; | |
7363 | else if (freq == LCPLL_CLK_FREQ_450) | |
7364 | return 450000; | |
7365 | else if (IS_HSW_ULT(dev)) | |
7366 | return 337500; | |
7367 | else | |
7368 | return 540000; | |
79e53945 JB |
7369 | } |
7370 | ||
25eb05fc JB |
7371 | static int valleyview_get_display_clock_speed(struct drm_device *dev) |
7372 | { | |
bfa7df01 VS |
7373 | return vlv_get_cck_clock_hpll(to_i915(dev), "cdclk", |
7374 | CCK_DISPLAY_CLOCK_CONTROL); | |
25eb05fc JB |
7375 | } |
7376 | ||
b37a6434 VS |
7377 | static int ilk_get_display_clock_speed(struct drm_device *dev) |
7378 | { | |
7379 | return 450000; | |
7380 | } | |
7381 | ||
e70236a8 JB |
7382 | static int i945_get_display_clock_speed(struct drm_device *dev) |
7383 | { | |
7384 | return 400000; | |
7385 | } | |
79e53945 | 7386 | |
e70236a8 | 7387 | static int i915_get_display_clock_speed(struct drm_device *dev) |
79e53945 | 7388 | { |
e907f170 | 7389 | return 333333; |
e70236a8 | 7390 | } |
79e53945 | 7391 | |
e70236a8 JB |
7392 | static int i9xx_misc_get_display_clock_speed(struct drm_device *dev) |
7393 | { | |
7394 | return 200000; | |
7395 | } | |
79e53945 | 7396 | |
257a7ffc DV |
7397 | static int pnv_get_display_clock_speed(struct drm_device *dev) |
7398 | { | |
52a05c30 | 7399 | struct pci_dev *pdev = dev->pdev; |
257a7ffc DV |
7400 | u16 gcfgc = 0; |
7401 | ||
52a05c30 | 7402 | pci_read_config_word(pdev, GCFGC, &gcfgc); |
257a7ffc DV |
7403 | |
7404 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
7405 | case GC_DISPLAY_CLOCK_267_MHZ_PNV: | |
e907f170 | 7406 | return 266667; |
257a7ffc | 7407 | case GC_DISPLAY_CLOCK_333_MHZ_PNV: |
e907f170 | 7408 | return 333333; |
257a7ffc | 7409 | case GC_DISPLAY_CLOCK_444_MHZ_PNV: |
e907f170 | 7410 | return 444444; |
257a7ffc DV |
7411 | case GC_DISPLAY_CLOCK_200_MHZ_PNV: |
7412 | return 200000; | |
7413 | default: | |
7414 | DRM_ERROR("Unknown pnv display core clock 0x%04x\n", gcfgc); | |
7415 | case GC_DISPLAY_CLOCK_133_MHZ_PNV: | |
e907f170 | 7416 | return 133333; |
257a7ffc | 7417 | case GC_DISPLAY_CLOCK_167_MHZ_PNV: |
e907f170 | 7418 | return 166667; |
257a7ffc DV |
7419 | } |
7420 | } | |
7421 | ||
e70236a8 JB |
7422 | static int i915gm_get_display_clock_speed(struct drm_device *dev) |
7423 | { | |
52a05c30 | 7424 | struct pci_dev *pdev = dev->pdev; |
e70236a8 | 7425 | u16 gcfgc = 0; |
79e53945 | 7426 | |
52a05c30 | 7427 | pci_read_config_word(pdev, GCFGC, &gcfgc); |
e70236a8 JB |
7428 | |
7429 | if (gcfgc & GC_LOW_FREQUENCY_ENABLE) | |
e907f170 | 7430 | return 133333; |
e70236a8 JB |
7431 | else { |
7432 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
7433 | case GC_DISPLAY_CLOCK_333_MHZ: | |
e907f170 | 7434 | return 333333; |
e70236a8 JB |
7435 | default: |
7436 | case GC_DISPLAY_CLOCK_190_200_MHZ: | |
7437 | return 190000; | |
79e53945 | 7438 | } |
e70236a8 JB |
7439 | } |
7440 | } | |
7441 | ||
7442 | static int i865_get_display_clock_speed(struct drm_device *dev) | |
7443 | { | |
e907f170 | 7444 | return 266667; |
e70236a8 JB |
7445 | } |
7446 | ||
1b1d2716 | 7447 | static int i85x_get_display_clock_speed(struct drm_device *dev) |
e70236a8 | 7448 | { |
52a05c30 | 7449 | struct pci_dev *pdev = dev->pdev; |
e70236a8 | 7450 | u16 hpllcc = 0; |
1b1d2716 | 7451 | |
65cd2b3f VS |
7452 | /* |
7453 | * 852GM/852GMV only supports 133 MHz and the HPLLCC | |
7454 | * encoding is different :( | |
7455 | * FIXME is this the right way to detect 852GM/852GMV? | |
7456 | */ | |
52a05c30 | 7457 | if (pdev->revision == 0x1) |
65cd2b3f VS |
7458 | return 133333; |
7459 | ||
52a05c30 | 7460 | pci_bus_read_config_word(pdev->bus, |
1b1d2716 VS |
7461 | PCI_DEVFN(0, 3), HPLLCC, &hpllcc); |
7462 | ||
e70236a8 JB |
7463 | /* Assume that the hardware is in the high speed state. This |
7464 | * should be the default. | |
7465 | */ | |
7466 | switch (hpllcc & GC_CLOCK_CONTROL_MASK) { | |
7467 | case GC_CLOCK_133_200: | |
1b1d2716 | 7468 | case GC_CLOCK_133_200_2: |
e70236a8 JB |
7469 | case GC_CLOCK_100_200: |
7470 | return 200000; | |
7471 | case GC_CLOCK_166_250: | |
7472 | return 250000; | |
7473 | case GC_CLOCK_100_133: | |
e907f170 | 7474 | return 133333; |
1b1d2716 VS |
7475 | case GC_CLOCK_133_266: |
7476 | case GC_CLOCK_133_266_2: | |
7477 | case GC_CLOCK_166_266: | |
7478 | return 266667; | |
e70236a8 | 7479 | } |
79e53945 | 7480 | |
e70236a8 JB |
7481 | /* Shouldn't happen */ |
7482 | return 0; | |
7483 | } | |
79e53945 | 7484 | |
e70236a8 JB |
7485 | static int i830_get_display_clock_speed(struct drm_device *dev) |
7486 | { | |
e907f170 | 7487 | return 133333; |
79e53945 JB |
7488 | } |
7489 | ||
34edce2f VS |
7490 | static unsigned int intel_hpll_vco(struct drm_device *dev) |
7491 | { | |
fac5e23e | 7492 | struct drm_i915_private *dev_priv = to_i915(dev); |
34edce2f VS |
7493 | static const unsigned int blb_vco[8] = { |
7494 | [0] = 3200000, | |
7495 | [1] = 4000000, | |
7496 | [2] = 5333333, | |
7497 | [3] = 4800000, | |
7498 | [4] = 6400000, | |
7499 | }; | |
7500 | static const unsigned int pnv_vco[8] = { | |
7501 | [0] = 3200000, | |
7502 | [1] = 4000000, | |
7503 | [2] = 5333333, | |
7504 | [3] = 4800000, | |
7505 | [4] = 2666667, | |
7506 | }; | |
7507 | static const unsigned int cl_vco[8] = { | |
7508 | [0] = 3200000, | |
7509 | [1] = 4000000, | |
7510 | [2] = 5333333, | |
7511 | [3] = 6400000, | |
7512 | [4] = 3333333, | |
7513 | [5] = 3566667, | |
7514 | [6] = 4266667, | |
7515 | }; | |
7516 | static const unsigned int elk_vco[8] = { | |
7517 | [0] = 3200000, | |
7518 | [1] = 4000000, | |
7519 | [2] = 5333333, | |
7520 | [3] = 4800000, | |
7521 | }; | |
7522 | static const unsigned int ctg_vco[8] = { | |
7523 | [0] = 3200000, | |
7524 | [1] = 4000000, | |
7525 | [2] = 5333333, | |
7526 | [3] = 6400000, | |
7527 | [4] = 2666667, | |
7528 | [5] = 4266667, | |
7529 | }; | |
7530 | const unsigned int *vco_table; | |
7531 | unsigned int vco; | |
7532 | uint8_t tmp = 0; | |
7533 | ||
7534 | /* FIXME other chipsets? */ | |
7535 | if (IS_GM45(dev)) | |
7536 | vco_table = ctg_vco; | |
7537 | else if (IS_G4X(dev)) | |
7538 | vco_table = elk_vco; | |
7539 | else if (IS_CRESTLINE(dev)) | |
7540 | vco_table = cl_vco; | |
7541 | else if (IS_PINEVIEW(dev)) | |
7542 | vco_table = pnv_vco; | |
7543 | else if (IS_G33(dev)) | |
7544 | vco_table = blb_vco; | |
7545 | else | |
7546 | return 0; | |
7547 | ||
7548 | tmp = I915_READ(IS_MOBILE(dev) ? HPLLVCO_MOBILE : HPLLVCO); | |
7549 | ||
7550 | vco = vco_table[tmp & 0x7]; | |
7551 | if (vco == 0) | |
7552 | DRM_ERROR("Bad HPLL VCO (HPLLVCO=0x%02x)\n", tmp); | |
7553 | else | |
7554 | DRM_DEBUG_KMS("HPLL VCO %u kHz\n", vco); | |
7555 | ||
7556 | return vco; | |
7557 | } | |
7558 | ||
7559 | static int gm45_get_display_clock_speed(struct drm_device *dev) | |
7560 | { | |
52a05c30 | 7561 | struct pci_dev *pdev = dev->pdev; |
34edce2f VS |
7562 | unsigned int cdclk_sel, vco = intel_hpll_vco(dev); |
7563 | uint16_t tmp = 0; | |
7564 | ||
52a05c30 | 7565 | pci_read_config_word(pdev, GCFGC, &tmp); |
34edce2f VS |
7566 | |
7567 | cdclk_sel = (tmp >> 12) & 0x1; | |
7568 | ||
7569 | switch (vco) { | |
7570 | case 2666667: | |
7571 | case 4000000: | |
7572 | case 5333333: | |
7573 | return cdclk_sel ? 333333 : 222222; | |
7574 | case 3200000: | |
7575 | return cdclk_sel ? 320000 : 228571; | |
7576 | default: | |
7577 | DRM_ERROR("Unable to determine CDCLK. HPLL VCO=%u, CFGC=0x%04x\n", vco, tmp); | |
7578 | return 222222; | |
7579 | } | |
7580 | } | |
7581 | ||
7582 | static int i965gm_get_display_clock_speed(struct drm_device *dev) | |
7583 | { | |
52a05c30 | 7584 | struct pci_dev *pdev = dev->pdev; |
34edce2f VS |
7585 | static const uint8_t div_3200[] = { 16, 10, 8 }; |
7586 | static const uint8_t div_4000[] = { 20, 12, 10 }; | |
7587 | static const uint8_t div_5333[] = { 24, 16, 14 }; | |
7588 | const uint8_t *div_table; | |
7589 | unsigned int cdclk_sel, vco = intel_hpll_vco(dev); | |
7590 | uint16_t tmp = 0; | |
7591 | ||
52a05c30 | 7592 | pci_read_config_word(pdev, GCFGC, &tmp); |
34edce2f VS |
7593 | |
7594 | cdclk_sel = ((tmp >> 8) & 0x1f) - 1; | |
7595 | ||
7596 | if (cdclk_sel >= ARRAY_SIZE(div_3200)) | |
7597 | goto fail; | |
7598 | ||
7599 | switch (vco) { | |
7600 | case 3200000: | |
7601 | div_table = div_3200; | |
7602 | break; | |
7603 | case 4000000: | |
7604 | div_table = div_4000; | |
7605 | break; | |
7606 | case 5333333: | |
7607 | div_table = div_5333; | |
7608 | break; | |
7609 | default: | |
7610 | goto fail; | |
7611 | } | |
7612 | ||
7613 | return DIV_ROUND_CLOSEST(vco, div_table[cdclk_sel]); | |
7614 | ||
caf4e252 | 7615 | fail: |
34edce2f VS |
7616 | DRM_ERROR("Unable to determine CDCLK. HPLL VCO=%u kHz, CFGC=0x%04x\n", vco, tmp); |
7617 | return 200000; | |
7618 | } | |
7619 | ||
7620 | static int g33_get_display_clock_speed(struct drm_device *dev) | |
7621 | { | |
52a05c30 | 7622 | struct pci_dev *pdev = dev->pdev; |
34edce2f VS |
7623 | static const uint8_t div_3200[] = { 12, 10, 8, 7, 5, 16 }; |
7624 | static const uint8_t div_4000[] = { 14, 12, 10, 8, 6, 20 }; | |
7625 | static const uint8_t div_4800[] = { 20, 14, 12, 10, 8, 24 }; | |
7626 | static const uint8_t div_5333[] = { 20, 16, 12, 12, 8, 28 }; | |
7627 | const uint8_t *div_table; | |
7628 | unsigned int cdclk_sel, vco = intel_hpll_vco(dev); | |
7629 | uint16_t tmp = 0; | |
7630 | ||
52a05c30 | 7631 | pci_read_config_word(pdev, GCFGC, &tmp); |
34edce2f VS |
7632 | |
7633 | cdclk_sel = (tmp >> 4) & 0x7; | |
7634 | ||
7635 | if (cdclk_sel >= ARRAY_SIZE(div_3200)) | |
7636 | goto fail; | |
7637 | ||
7638 | switch (vco) { | |
7639 | case 3200000: | |
7640 | div_table = div_3200; | |
7641 | break; | |
7642 | case 4000000: | |
7643 | div_table = div_4000; | |
7644 | break; | |
7645 | case 4800000: | |
7646 | div_table = div_4800; | |
7647 | break; | |
7648 | case 5333333: | |
7649 | div_table = div_5333; | |
7650 | break; | |
7651 | default: | |
7652 | goto fail; | |
7653 | } | |
7654 | ||
7655 | return DIV_ROUND_CLOSEST(vco, div_table[cdclk_sel]); | |
7656 | ||
caf4e252 | 7657 | fail: |
34edce2f VS |
7658 | DRM_ERROR("Unable to determine CDCLK. HPLL VCO=%u kHz, CFGC=0x%08x\n", vco, tmp); |
7659 | return 190476; | |
7660 | } | |
7661 | ||
2c07245f | 7662 | static void |
a65851af | 7663 | intel_reduce_m_n_ratio(uint32_t *num, uint32_t *den) |
2c07245f | 7664 | { |
a65851af VS |
7665 | while (*num > DATA_LINK_M_N_MASK || |
7666 | *den > DATA_LINK_M_N_MASK) { | |
2c07245f ZW |
7667 | *num >>= 1; |
7668 | *den >>= 1; | |
7669 | } | |
7670 | } | |
7671 | ||
a65851af VS |
7672 | static void compute_m_n(unsigned int m, unsigned int n, |
7673 | uint32_t *ret_m, uint32_t *ret_n) | |
7674 | { | |
7675 | *ret_n = min_t(unsigned int, roundup_pow_of_two(n), DATA_LINK_N_MAX); | |
7676 | *ret_m = div_u64((uint64_t) m * *ret_n, n); | |
7677 | intel_reduce_m_n_ratio(ret_m, ret_n); | |
7678 | } | |
7679 | ||
e69d0bc1 DV |
7680 | void |
7681 | intel_link_compute_m_n(int bits_per_pixel, int nlanes, | |
7682 | int pixel_clock, int link_clock, | |
7683 | struct intel_link_m_n *m_n) | |
2c07245f | 7684 | { |
e69d0bc1 | 7685 | m_n->tu = 64; |
a65851af VS |
7686 | |
7687 | compute_m_n(bits_per_pixel * pixel_clock, | |
7688 | link_clock * nlanes * 8, | |
7689 | &m_n->gmch_m, &m_n->gmch_n); | |
7690 | ||
7691 | compute_m_n(pixel_clock, link_clock, | |
7692 | &m_n->link_m, &m_n->link_n); | |
2c07245f ZW |
7693 | } |
7694 | ||
a7615030 CW |
7695 | static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv) |
7696 | { | |
d330a953 JN |
7697 | if (i915.panel_use_ssc >= 0) |
7698 | return i915.panel_use_ssc != 0; | |
41aa3448 | 7699 | return dev_priv->vbt.lvds_use_ssc |
435793df | 7700 | && !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE); |
a7615030 CW |
7701 | } |
7702 | ||
7429e9d4 | 7703 | static uint32_t pnv_dpll_compute_fp(struct dpll *dpll) |
c65d77d8 | 7704 | { |
7df00d7a | 7705 | return (1 << dpll->n) << 16 | dpll->m2; |
7429e9d4 | 7706 | } |
f47709a9 | 7707 | |
7429e9d4 DV |
7708 | static uint32_t i9xx_dpll_compute_fp(struct dpll *dpll) |
7709 | { | |
7710 | return dpll->n << 16 | dpll->m1 << 8 | dpll->m2; | |
c65d77d8 JB |
7711 | } |
7712 | ||
f47709a9 | 7713 | static void i9xx_update_pll_dividers(struct intel_crtc *crtc, |
190f68c5 | 7714 | struct intel_crtc_state *crtc_state, |
9e2c8475 | 7715 | struct dpll *reduced_clock) |
a7516a05 | 7716 | { |
f47709a9 | 7717 | struct drm_device *dev = crtc->base.dev; |
a7516a05 JB |
7718 | u32 fp, fp2 = 0; |
7719 | ||
7720 | if (IS_PINEVIEW(dev)) { | |
190f68c5 | 7721 | fp = pnv_dpll_compute_fp(&crtc_state->dpll); |
a7516a05 | 7722 | if (reduced_clock) |
7429e9d4 | 7723 | fp2 = pnv_dpll_compute_fp(reduced_clock); |
a7516a05 | 7724 | } else { |
190f68c5 | 7725 | fp = i9xx_dpll_compute_fp(&crtc_state->dpll); |
a7516a05 | 7726 | if (reduced_clock) |
7429e9d4 | 7727 | fp2 = i9xx_dpll_compute_fp(reduced_clock); |
a7516a05 JB |
7728 | } |
7729 | ||
190f68c5 | 7730 | crtc_state->dpll_hw_state.fp0 = fp; |
a7516a05 | 7731 | |
f47709a9 | 7732 | crtc->lowfreq_avail = false; |
2d84d2b3 | 7733 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS) && |
ab585dea | 7734 | reduced_clock) { |
190f68c5 | 7735 | crtc_state->dpll_hw_state.fp1 = fp2; |
f47709a9 | 7736 | crtc->lowfreq_avail = true; |
a7516a05 | 7737 | } else { |
190f68c5 | 7738 | crtc_state->dpll_hw_state.fp1 = fp; |
a7516a05 JB |
7739 | } |
7740 | } | |
7741 | ||
5e69f97f CML |
7742 | static void vlv_pllb_recal_opamp(struct drm_i915_private *dev_priv, enum pipe |
7743 | pipe) | |
89b667f8 JB |
7744 | { |
7745 | u32 reg_val; | |
7746 | ||
7747 | /* | |
7748 | * PLLB opamp always calibrates to max value of 0x3f, force enable it | |
7749 | * and set it to a reasonable value instead. | |
7750 | */ | |
ab3c759a | 7751 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
89b667f8 JB |
7752 | reg_val &= 0xffffff00; |
7753 | reg_val |= 0x00000030; | |
ab3c759a | 7754 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
89b667f8 | 7755 | |
ab3c759a | 7756 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
89b667f8 JB |
7757 | reg_val &= 0x8cffffff; |
7758 | reg_val = 0x8c000000; | |
ab3c759a | 7759 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
89b667f8 | 7760 | |
ab3c759a | 7761 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
89b667f8 | 7762 | reg_val &= 0xffffff00; |
ab3c759a | 7763 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
89b667f8 | 7764 | |
ab3c759a | 7765 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
89b667f8 JB |
7766 | reg_val &= 0x00ffffff; |
7767 | reg_val |= 0xb0000000; | |
ab3c759a | 7768 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
89b667f8 JB |
7769 | } |
7770 | ||
b551842d DV |
7771 | static void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc, |
7772 | struct intel_link_m_n *m_n) | |
7773 | { | |
7774 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 7775 | struct drm_i915_private *dev_priv = to_i915(dev); |
b551842d DV |
7776 | int pipe = crtc->pipe; |
7777 | ||
e3b95f1e DV |
7778 | I915_WRITE(PCH_TRANS_DATA_M1(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
7779 | I915_WRITE(PCH_TRANS_DATA_N1(pipe), m_n->gmch_n); | |
7780 | I915_WRITE(PCH_TRANS_LINK_M1(pipe), m_n->link_m); | |
7781 | I915_WRITE(PCH_TRANS_LINK_N1(pipe), m_n->link_n); | |
b551842d DV |
7782 | } |
7783 | ||
7784 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, | |
f769cd24 VK |
7785 | struct intel_link_m_n *m_n, |
7786 | struct intel_link_m_n *m2_n2) | |
b551842d DV |
7787 | { |
7788 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 7789 | struct drm_i915_private *dev_priv = to_i915(dev); |
b551842d | 7790 | int pipe = crtc->pipe; |
6e3c9717 | 7791 | enum transcoder transcoder = crtc->config->cpu_transcoder; |
b551842d DV |
7792 | |
7793 | if (INTEL_INFO(dev)->gen >= 5) { | |
7794 | I915_WRITE(PIPE_DATA_M1(transcoder), TU_SIZE(m_n->tu) | m_n->gmch_m); | |
7795 | I915_WRITE(PIPE_DATA_N1(transcoder), m_n->gmch_n); | |
7796 | I915_WRITE(PIPE_LINK_M1(transcoder), m_n->link_m); | |
7797 | I915_WRITE(PIPE_LINK_N1(transcoder), m_n->link_n); | |
f769cd24 VK |
7798 | /* M2_N2 registers to be set only for gen < 8 (M2_N2 available |
7799 | * for gen < 8) and if DRRS is supported (to make sure the | |
7800 | * registers are not unnecessarily accessed). | |
7801 | */ | |
44395bfe | 7802 | if (m2_n2 && (IS_CHERRYVIEW(dev) || INTEL_INFO(dev)->gen < 8) && |
6e3c9717 | 7803 | crtc->config->has_drrs) { |
f769cd24 VK |
7804 | I915_WRITE(PIPE_DATA_M2(transcoder), |
7805 | TU_SIZE(m2_n2->tu) | m2_n2->gmch_m); | |
7806 | I915_WRITE(PIPE_DATA_N2(transcoder), m2_n2->gmch_n); | |
7807 | I915_WRITE(PIPE_LINK_M2(transcoder), m2_n2->link_m); | |
7808 | I915_WRITE(PIPE_LINK_N2(transcoder), m2_n2->link_n); | |
7809 | } | |
b551842d | 7810 | } else { |
e3b95f1e DV |
7811 | I915_WRITE(PIPE_DATA_M_G4X(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
7812 | I915_WRITE(PIPE_DATA_N_G4X(pipe), m_n->gmch_n); | |
7813 | I915_WRITE(PIPE_LINK_M_G4X(pipe), m_n->link_m); | |
7814 | I915_WRITE(PIPE_LINK_N_G4X(pipe), m_n->link_n); | |
b551842d DV |
7815 | } |
7816 | } | |
7817 | ||
fe3cd48d | 7818 | void intel_dp_set_m_n(struct intel_crtc *crtc, enum link_m_n_set m_n) |
03afc4a2 | 7819 | { |
fe3cd48d R |
7820 | struct intel_link_m_n *dp_m_n, *dp_m2_n2 = NULL; |
7821 | ||
7822 | if (m_n == M1_N1) { | |
7823 | dp_m_n = &crtc->config->dp_m_n; | |
7824 | dp_m2_n2 = &crtc->config->dp_m2_n2; | |
7825 | } else if (m_n == M2_N2) { | |
7826 | ||
7827 | /* | |
7828 | * M2_N2 registers are not supported. Hence m2_n2 divider value | |
7829 | * needs to be programmed into M1_N1. | |
7830 | */ | |
7831 | dp_m_n = &crtc->config->dp_m2_n2; | |
7832 | } else { | |
7833 | DRM_ERROR("Unsupported divider value\n"); | |
7834 | return; | |
7835 | } | |
7836 | ||
6e3c9717 ACO |
7837 | if (crtc->config->has_pch_encoder) |
7838 | intel_pch_transcoder_set_m_n(crtc, &crtc->config->dp_m_n); | |
03afc4a2 | 7839 | else |
fe3cd48d | 7840 | intel_cpu_transcoder_set_m_n(crtc, dp_m_n, dp_m2_n2); |
03afc4a2 DV |
7841 | } |
7842 | ||
251ac862 DV |
7843 | static void vlv_compute_dpll(struct intel_crtc *crtc, |
7844 | struct intel_crtc_state *pipe_config) | |
bdd4b6a6 | 7845 | { |
03ed5cbf | 7846 | pipe_config->dpll_hw_state.dpll = DPLL_INTEGRATED_REF_CLK_VLV | |
cd2d34d9 | 7847 | DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS; |
03ed5cbf VS |
7848 | if (crtc->pipe != PIPE_A) |
7849 | pipe_config->dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; | |
bdd4b6a6 | 7850 | |
cd2d34d9 | 7851 | /* DPLL not used with DSI, but still need the rest set up */ |
d7edc4e5 | 7852 | if (!intel_crtc_has_type(pipe_config, INTEL_OUTPUT_DSI)) |
cd2d34d9 VS |
7853 | pipe_config->dpll_hw_state.dpll |= DPLL_VCO_ENABLE | |
7854 | DPLL_EXT_BUFFER_ENABLE_VLV; | |
7855 | ||
03ed5cbf VS |
7856 | pipe_config->dpll_hw_state.dpll_md = |
7857 | (pipe_config->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; | |
7858 | } | |
bdd4b6a6 | 7859 | |
03ed5cbf VS |
7860 | static void chv_compute_dpll(struct intel_crtc *crtc, |
7861 | struct intel_crtc_state *pipe_config) | |
7862 | { | |
7863 | pipe_config->dpll_hw_state.dpll = DPLL_SSC_REF_CLK_CHV | | |
cd2d34d9 | 7864 | DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS; |
03ed5cbf VS |
7865 | if (crtc->pipe != PIPE_A) |
7866 | pipe_config->dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; | |
7867 | ||
cd2d34d9 | 7868 | /* DPLL not used with DSI, but still need the rest set up */ |
d7edc4e5 | 7869 | if (!intel_crtc_has_type(pipe_config, INTEL_OUTPUT_DSI)) |
cd2d34d9 VS |
7870 | pipe_config->dpll_hw_state.dpll |= DPLL_VCO_ENABLE; |
7871 | ||
03ed5cbf VS |
7872 | pipe_config->dpll_hw_state.dpll_md = |
7873 | (pipe_config->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; | |
bdd4b6a6 DV |
7874 | } |
7875 | ||
d288f65f | 7876 | static void vlv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 7877 | const struct intel_crtc_state *pipe_config) |
a0c4da24 | 7878 | { |
f47709a9 | 7879 | struct drm_device *dev = crtc->base.dev; |
fac5e23e | 7880 | struct drm_i915_private *dev_priv = to_i915(dev); |
cd2d34d9 | 7881 | enum pipe pipe = crtc->pipe; |
bdd4b6a6 | 7882 | u32 mdiv; |
a0c4da24 | 7883 | u32 bestn, bestm1, bestm2, bestp1, bestp2; |
bdd4b6a6 | 7884 | u32 coreclk, reg_val; |
a0c4da24 | 7885 | |
cd2d34d9 VS |
7886 | /* Enable Refclk */ |
7887 | I915_WRITE(DPLL(pipe), | |
7888 | pipe_config->dpll_hw_state.dpll & | |
7889 | ~(DPLL_VCO_ENABLE | DPLL_EXT_BUFFER_ENABLE_VLV)); | |
7890 | ||
7891 | /* No need to actually set up the DPLL with DSI */ | |
7892 | if ((pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE) == 0) | |
7893 | return; | |
7894 | ||
a580516d | 7895 | mutex_lock(&dev_priv->sb_lock); |
09153000 | 7896 | |
d288f65f VS |
7897 | bestn = pipe_config->dpll.n; |
7898 | bestm1 = pipe_config->dpll.m1; | |
7899 | bestm2 = pipe_config->dpll.m2; | |
7900 | bestp1 = pipe_config->dpll.p1; | |
7901 | bestp2 = pipe_config->dpll.p2; | |
a0c4da24 | 7902 | |
89b667f8 JB |
7903 | /* See eDP HDMI DPIO driver vbios notes doc */ |
7904 | ||
7905 | /* PLL B needs special handling */ | |
bdd4b6a6 | 7906 | if (pipe == PIPE_B) |
5e69f97f | 7907 | vlv_pllb_recal_opamp(dev_priv, pipe); |
89b667f8 JB |
7908 | |
7909 | /* Set up Tx target for periodic Rcomp update */ | |
ab3c759a | 7910 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9_BCAST, 0x0100000f); |
89b667f8 JB |
7911 | |
7912 | /* Disable target IRef on PLL */ | |
ab3c759a | 7913 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW8(pipe)); |
89b667f8 | 7914 | reg_val &= 0x00ffffff; |
ab3c759a | 7915 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW8(pipe), reg_val); |
89b667f8 JB |
7916 | |
7917 | /* Disable fast lock */ | |
ab3c759a | 7918 | vlv_dpio_write(dev_priv, pipe, VLV_CMN_DW0, 0x610); |
89b667f8 JB |
7919 | |
7920 | /* Set idtafcrecal before PLL is enabled */ | |
a0c4da24 JB |
7921 | mdiv = ((bestm1 << DPIO_M1DIV_SHIFT) | (bestm2 & DPIO_M2DIV_MASK)); |
7922 | mdiv |= ((bestp1 << DPIO_P1_SHIFT) | (bestp2 << DPIO_P2_SHIFT)); | |
7923 | mdiv |= ((bestn << DPIO_N_SHIFT)); | |
a0c4da24 | 7924 | mdiv |= (1 << DPIO_K_SHIFT); |
7df5080b JB |
7925 | |
7926 | /* | |
7927 | * Post divider depends on pixel clock rate, DAC vs digital (and LVDS, | |
7928 | * but we don't support that). | |
7929 | * Note: don't use the DAC post divider as it seems unstable. | |
7930 | */ | |
7931 | mdiv |= (DPIO_POST_DIV_HDMIDP << DPIO_POST_DIV_SHIFT); | |
ab3c759a | 7932 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
a0c4da24 | 7933 | |
a0c4da24 | 7934 | mdiv |= DPIO_ENABLE_CALIBRATION; |
ab3c759a | 7935 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
a0c4da24 | 7936 | |
89b667f8 | 7937 | /* Set HBR and RBR LPF coefficients */ |
d288f65f | 7938 | if (pipe_config->port_clock == 162000 || |
2d84d2b3 VS |
7939 | intel_crtc_has_type(crtc->config, INTEL_OUTPUT_ANALOG) || |
7940 | intel_crtc_has_type(crtc->config, INTEL_OUTPUT_HDMI)) | |
ab3c759a | 7941 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
885b0120 | 7942 | 0x009f0003); |
89b667f8 | 7943 | else |
ab3c759a | 7944 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
89b667f8 JB |
7945 | 0x00d0000f); |
7946 | ||
37a5650b | 7947 | if (intel_crtc_has_dp_encoder(pipe_config)) { |
89b667f8 | 7948 | /* Use SSC source */ |
bdd4b6a6 | 7949 | if (pipe == PIPE_A) |
ab3c759a | 7950 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7951 | 0x0df40000); |
7952 | else | |
ab3c759a | 7953 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7954 | 0x0df70000); |
7955 | } else { /* HDMI or VGA */ | |
7956 | /* Use bend source */ | |
bdd4b6a6 | 7957 | if (pipe == PIPE_A) |
ab3c759a | 7958 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7959 | 0x0df70000); |
7960 | else | |
ab3c759a | 7961 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7962 | 0x0df40000); |
7963 | } | |
a0c4da24 | 7964 | |
ab3c759a | 7965 | coreclk = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW7(pipe)); |
89b667f8 | 7966 | coreclk = (coreclk & 0x0000ff00) | 0x01c00000; |
2210ce7f | 7967 | if (intel_crtc_has_dp_encoder(crtc->config)) |
89b667f8 | 7968 | coreclk |= 0x01000000; |
ab3c759a | 7969 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW7(pipe), coreclk); |
a0c4da24 | 7970 | |
ab3c759a | 7971 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW11(pipe), 0x87871000); |
a580516d | 7972 | mutex_unlock(&dev_priv->sb_lock); |
a0c4da24 JB |
7973 | } |
7974 | ||
d288f65f | 7975 | static void chv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 7976 | const struct intel_crtc_state *pipe_config) |
9d556c99 CML |
7977 | { |
7978 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 7979 | struct drm_i915_private *dev_priv = to_i915(dev); |
cd2d34d9 | 7980 | enum pipe pipe = crtc->pipe; |
9d556c99 | 7981 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
9cbe40c1 | 7982 | u32 loopfilter, tribuf_calcntr; |
9d556c99 | 7983 | u32 bestn, bestm1, bestm2, bestp1, bestp2, bestm2_frac; |
a945ce7e | 7984 | u32 dpio_val; |
9cbe40c1 | 7985 | int vco; |
9d556c99 | 7986 | |
cd2d34d9 VS |
7987 | /* Enable Refclk and SSC */ |
7988 | I915_WRITE(DPLL(pipe), | |
7989 | pipe_config->dpll_hw_state.dpll & ~DPLL_VCO_ENABLE); | |
7990 | ||
7991 | /* No need to actually set up the DPLL with DSI */ | |
7992 | if ((pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE) == 0) | |
7993 | return; | |
7994 | ||
d288f65f VS |
7995 | bestn = pipe_config->dpll.n; |
7996 | bestm2_frac = pipe_config->dpll.m2 & 0x3fffff; | |
7997 | bestm1 = pipe_config->dpll.m1; | |
7998 | bestm2 = pipe_config->dpll.m2 >> 22; | |
7999 | bestp1 = pipe_config->dpll.p1; | |
8000 | bestp2 = pipe_config->dpll.p2; | |
9cbe40c1 | 8001 | vco = pipe_config->dpll.vco; |
a945ce7e | 8002 | dpio_val = 0; |
9cbe40c1 | 8003 | loopfilter = 0; |
9d556c99 | 8004 | |
a580516d | 8005 | mutex_lock(&dev_priv->sb_lock); |
9d556c99 | 8006 | |
9d556c99 CML |
8007 | /* p1 and p2 divider */ |
8008 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW13(port), | |
8009 | 5 << DPIO_CHV_S1_DIV_SHIFT | | |
8010 | bestp1 << DPIO_CHV_P1_DIV_SHIFT | | |
8011 | bestp2 << DPIO_CHV_P2_DIV_SHIFT | | |
8012 | 1 << DPIO_CHV_K_DIV_SHIFT); | |
8013 | ||
8014 | /* Feedback post-divider - m2 */ | |
8015 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW0(port), bestm2); | |
8016 | ||
8017 | /* Feedback refclk divider - n and m1 */ | |
8018 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW1(port), | |
8019 | DPIO_CHV_M1_DIV_BY_2 | | |
8020 | 1 << DPIO_CHV_N_DIV_SHIFT); | |
8021 | ||
8022 | /* M2 fraction division */ | |
25a25dfc | 8023 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW2(port), bestm2_frac); |
9d556c99 CML |
8024 | |
8025 | /* M2 fraction division enable */ | |
a945ce7e VP |
8026 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW3(port)); |
8027 | dpio_val &= ~(DPIO_CHV_FEEDFWD_GAIN_MASK | DPIO_CHV_FRAC_DIV_EN); | |
8028 | dpio_val |= (2 << DPIO_CHV_FEEDFWD_GAIN_SHIFT); | |
8029 | if (bestm2_frac) | |
8030 | dpio_val |= DPIO_CHV_FRAC_DIV_EN; | |
8031 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW3(port), dpio_val); | |
9d556c99 | 8032 | |
de3a0fde VP |
8033 | /* Program digital lock detect threshold */ |
8034 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW9(port)); | |
8035 | dpio_val &= ~(DPIO_CHV_INT_LOCK_THRESHOLD_MASK | | |
8036 | DPIO_CHV_INT_LOCK_THRESHOLD_SEL_COARSE); | |
8037 | dpio_val |= (0x5 << DPIO_CHV_INT_LOCK_THRESHOLD_SHIFT); | |
8038 | if (!bestm2_frac) | |
8039 | dpio_val |= DPIO_CHV_INT_LOCK_THRESHOLD_SEL_COARSE; | |
8040 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW9(port), dpio_val); | |
8041 | ||
9d556c99 | 8042 | /* Loop filter */ |
9cbe40c1 VP |
8043 | if (vco == 5400000) { |
8044 | loopfilter |= (0x3 << DPIO_CHV_PROP_COEFF_SHIFT); | |
8045 | loopfilter |= (0x8 << DPIO_CHV_INT_COEFF_SHIFT); | |
8046 | loopfilter |= (0x1 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
8047 | tribuf_calcntr = 0x9; | |
8048 | } else if (vco <= 6200000) { | |
8049 | loopfilter |= (0x5 << DPIO_CHV_PROP_COEFF_SHIFT); | |
8050 | loopfilter |= (0xB << DPIO_CHV_INT_COEFF_SHIFT); | |
8051 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
8052 | tribuf_calcntr = 0x9; | |
8053 | } else if (vco <= 6480000) { | |
8054 | loopfilter |= (0x4 << DPIO_CHV_PROP_COEFF_SHIFT); | |
8055 | loopfilter |= (0x9 << DPIO_CHV_INT_COEFF_SHIFT); | |
8056 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
8057 | tribuf_calcntr = 0x8; | |
8058 | } else { | |
8059 | /* Not supported. Apply the same limits as in the max case */ | |
8060 | loopfilter |= (0x4 << DPIO_CHV_PROP_COEFF_SHIFT); | |
8061 | loopfilter |= (0x9 << DPIO_CHV_INT_COEFF_SHIFT); | |
8062 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
8063 | tribuf_calcntr = 0; | |
8064 | } | |
9d556c99 CML |
8065 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW6(port), loopfilter); |
8066 | ||
968040b2 | 8067 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW8(port)); |
9cbe40c1 VP |
8068 | dpio_val &= ~DPIO_CHV_TDC_TARGET_CNT_MASK; |
8069 | dpio_val |= (tribuf_calcntr << DPIO_CHV_TDC_TARGET_CNT_SHIFT); | |
8070 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW8(port), dpio_val); | |
8071 | ||
9d556c99 CML |
8072 | /* AFC Recal */ |
8073 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), | |
8074 | vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)) | | |
8075 | DPIO_AFC_RECAL); | |
8076 | ||
a580516d | 8077 | mutex_unlock(&dev_priv->sb_lock); |
9d556c99 CML |
8078 | } |
8079 | ||
d288f65f VS |
8080 | /** |
8081 | * vlv_force_pll_on - forcibly enable just the PLL | |
8082 | * @dev_priv: i915 private structure | |
8083 | * @pipe: pipe PLL to enable | |
8084 | * @dpll: PLL configuration | |
8085 | * | |
8086 | * Enable the PLL for @pipe using the supplied @dpll config. To be used | |
8087 | * in cases where we need the PLL enabled even when @pipe is not going to | |
8088 | * be enabled. | |
8089 | */ | |
3f36b937 TU |
8090 | int vlv_force_pll_on(struct drm_device *dev, enum pipe pipe, |
8091 | const struct dpll *dpll) | |
d288f65f VS |
8092 | { |
8093 | struct intel_crtc *crtc = | |
8094 | to_intel_crtc(intel_get_crtc_for_pipe(dev, pipe)); | |
3f36b937 TU |
8095 | struct intel_crtc_state *pipe_config; |
8096 | ||
8097 | pipe_config = kzalloc(sizeof(*pipe_config), GFP_KERNEL); | |
8098 | if (!pipe_config) | |
8099 | return -ENOMEM; | |
8100 | ||
8101 | pipe_config->base.crtc = &crtc->base; | |
8102 | pipe_config->pixel_multiplier = 1; | |
8103 | pipe_config->dpll = *dpll; | |
d288f65f VS |
8104 | |
8105 | if (IS_CHERRYVIEW(dev)) { | |
3f36b937 TU |
8106 | chv_compute_dpll(crtc, pipe_config); |
8107 | chv_prepare_pll(crtc, pipe_config); | |
8108 | chv_enable_pll(crtc, pipe_config); | |
d288f65f | 8109 | } else { |
3f36b937 TU |
8110 | vlv_compute_dpll(crtc, pipe_config); |
8111 | vlv_prepare_pll(crtc, pipe_config); | |
8112 | vlv_enable_pll(crtc, pipe_config); | |
d288f65f | 8113 | } |
3f36b937 TU |
8114 | |
8115 | kfree(pipe_config); | |
8116 | ||
8117 | return 0; | |
d288f65f VS |
8118 | } |
8119 | ||
8120 | /** | |
8121 | * vlv_force_pll_off - forcibly disable just the PLL | |
8122 | * @dev_priv: i915 private structure | |
8123 | * @pipe: pipe PLL to disable | |
8124 | * | |
8125 | * Disable the PLL for @pipe. To be used in cases where we need | |
8126 | * the PLL enabled even when @pipe is not going to be enabled. | |
8127 | */ | |
8128 | void vlv_force_pll_off(struct drm_device *dev, enum pipe pipe) | |
8129 | { | |
8130 | if (IS_CHERRYVIEW(dev)) | |
8131 | chv_disable_pll(to_i915(dev), pipe); | |
8132 | else | |
8133 | vlv_disable_pll(to_i915(dev), pipe); | |
8134 | } | |
8135 | ||
251ac862 DV |
8136 | static void i9xx_compute_dpll(struct intel_crtc *crtc, |
8137 | struct intel_crtc_state *crtc_state, | |
9e2c8475 | 8138 | struct dpll *reduced_clock) |
eb1cbe48 | 8139 | { |
f47709a9 | 8140 | struct drm_device *dev = crtc->base.dev; |
fac5e23e | 8141 | struct drm_i915_private *dev_priv = to_i915(dev); |
eb1cbe48 | 8142 | u32 dpll; |
190f68c5 | 8143 | struct dpll *clock = &crtc_state->dpll; |
eb1cbe48 | 8144 | |
190f68c5 | 8145 | i9xx_update_pll_dividers(crtc, crtc_state, reduced_clock); |
2a8f64ca | 8146 | |
eb1cbe48 DV |
8147 | dpll = DPLL_VGA_MODE_DIS; |
8148 | ||
2d84d2b3 | 8149 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) |
eb1cbe48 DV |
8150 | dpll |= DPLLB_MODE_LVDS; |
8151 | else | |
8152 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
6cc5f341 | 8153 | |
ef1b460d | 8154 | if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
190f68c5 | 8155 | dpll |= (crtc_state->pixel_multiplier - 1) |
198a037f | 8156 | << SDVO_MULTIPLIER_SHIFT_HIRES; |
eb1cbe48 | 8157 | } |
198a037f | 8158 | |
3d6e9ee0 VS |
8159 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_SDVO) || |
8160 | intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) | |
4a33e48d | 8161 | dpll |= DPLL_SDVO_HIGH_SPEED; |
198a037f | 8162 | |
37a5650b | 8163 | if (intel_crtc_has_dp_encoder(crtc_state)) |
4a33e48d | 8164 | dpll |= DPLL_SDVO_HIGH_SPEED; |
eb1cbe48 DV |
8165 | |
8166 | /* compute bitmask from p1 value */ | |
8167 | if (IS_PINEVIEW(dev)) | |
8168 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW; | |
8169 | else { | |
8170 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
8171 | if (IS_G4X(dev) && reduced_clock) | |
8172 | dpll |= (1 << (reduced_clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; | |
8173 | } | |
8174 | switch (clock->p2) { | |
8175 | case 5: | |
8176 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
8177 | break; | |
8178 | case 7: | |
8179 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
8180 | break; | |
8181 | case 10: | |
8182 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
8183 | break; | |
8184 | case 14: | |
8185 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
8186 | break; | |
8187 | } | |
8188 | if (INTEL_INFO(dev)->gen >= 4) | |
8189 | dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); | |
8190 | ||
190f68c5 | 8191 | if (crtc_state->sdvo_tv_clock) |
eb1cbe48 | 8192 | dpll |= PLL_REF_INPUT_TVCLKINBC; |
2d84d2b3 | 8193 | else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS) && |
ceb41007 | 8194 | intel_panel_use_ssc(dev_priv)) |
eb1cbe48 DV |
8195 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
8196 | else | |
8197 | dpll |= PLL_REF_INPUT_DREFCLK; | |
8198 | ||
8199 | dpll |= DPLL_VCO_ENABLE; | |
190f68c5 | 8200 | crtc_state->dpll_hw_state.dpll = dpll; |
8bcc2795 | 8201 | |
eb1cbe48 | 8202 | if (INTEL_INFO(dev)->gen >= 4) { |
190f68c5 | 8203 | u32 dpll_md = (crtc_state->pixel_multiplier - 1) |
ef1b460d | 8204 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
190f68c5 | 8205 | crtc_state->dpll_hw_state.dpll_md = dpll_md; |
eb1cbe48 DV |
8206 | } |
8207 | } | |
8208 | ||
251ac862 DV |
8209 | static void i8xx_compute_dpll(struct intel_crtc *crtc, |
8210 | struct intel_crtc_state *crtc_state, | |
9e2c8475 | 8211 | struct dpll *reduced_clock) |
eb1cbe48 | 8212 | { |
f47709a9 | 8213 | struct drm_device *dev = crtc->base.dev; |
fac5e23e | 8214 | struct drm_i915_private *dev_priv = to_i915(dev); |
eb1cbe48 | 8215 | u32 dpll; |
190f68c5 | 8216 | struct dpll *clock = &crtc_state->dpll; |
eb1cbe48 | 8217 | |
190f68c5 | 8218 | i9xx_update_pll_dividers(crtc, crtc_state, reduced_clock); |
2a8f64ca | 8219 | |
eb1cbe48 DV |
8220 | dpll = DPLL_VGA_MODE_DIS; |
8221 | ||
2d84d2b3 | 8222 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
eb1cbe48 DV |
8223 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
8224 | } else { | |
8225 | if (clock->p1 == 2) | |
8226 | dpll |= PLL_P1_DIVIDE_BY_TWO; | |
8227 | else | |
8228 | dpll |= (clock->p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
8229 | if (clock->p2 == 4) | |
8230 | dpll |= PLL_P2_DIVIDE_BY_4; | |
8231 | } | |
8232 | ||
2d84d2b3 | 8233 | if (!IS_I830(dev) && intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DVO)) |
4a33e48d DV |
8234 | dpll |= DPLL_DVO_2X_MODE; |
8235 | ||
2d84d2b3 | 8236 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS) && |
ceb41007 | 8237 | intel_panel_use_ssc(dev_priv)) |
eb1cbe48 DV |
8238 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
8239 | else | |
8240 | dpll |= PLL_REF_INPUT_DREFCLK; | |
8241 | ||
8242 | dpll |= DPLL_VCO_ENABLE; | |
190f68c5 | 8243 | crtc_state->dpll_hw_state.dpll = dpll; |
eb1cbe48 DV |
8244 | } |
8245 | ||
8a654f3b | 8246 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc) |
b0e77b9c PZ |
8247 | { |
8248 | struct drm_device *dev = intel_crtc->base.dev; | |
fac5e23e | 8249 | struct drm_i915_private *dev_priv = to_i915(dev); |
b0e77b9c | 8250 | enum pipe pipe = intel_crtc->pipe; |
6e3c9717 | 8251 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
7c5f93b0 | 8252 | const struct drm_display_mode *adjusted_mode = &intel_crtc->config->base.adjusted_mode; |
1caea6e9 VS |
8253 | uint32_t crtc_vtotal, crtc_vblank_end; |
8254 | int vsyncshift = 0; | |
4d8a62ea DV |
8255 | |
8256 | /* We need to be careful not to changed the adjusted mode, for otherwise | |
8257 | * the hw state checker will get angry at the mismatch. */ | |
8258 | crtc_vtotal = adjusted_mode->crtc_vtotal; | |
8259 | crtc_vblank_end = adjusted_mode->crtc_vblank_end; | |
b0e77b9c | 8260 | |
609aeaca | 8261 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { |
b0e77b9c | 8262 | /* the chip adds 2 halflines automatically */ |
4d8a62ea DV |
8263 | crtc_vtotal -= 1; |
8264 | crtc_vblank_end -= 1; | |
609aeaca | 8265 | |
2d84d2b3 | 8266 | if (intel_crtc_has_type(intel_crtc->config, INTEL_OUTPUT_SDVO)) |
609aeaca VS |
8267 | vsyncshift = (adjusted_mode->crtc_htotal - 1) / 2; |
8268 | else | |
8269 | vsyncshift = adjusted_mode->crtc_hsync_start - | |
8270 | adjusted_mode->crtc_htotal / 2; | |
1caea6e9 VS |
8271 | if (vsyncshift < 0) |
8272 | vsyncshift += adjusted_mode->crtc_htotal; | |
b0e77b9c PZ |
8273 | } |
8274 | ||
8275 | if (INTEL_INFO(dev)->gen > 3) | |
fe2b8f9d | 8276 | I915_WRITE(VSYNCSHIFT(cpu_transcoder), vsyncshift); |
b0e77b9c | 8277 | |
fe2b8f9d | 8278 | I915_WRITE(HTOTAL(cpu_transcoder), |
b0e77b9c PZ |
8279 | (adjusted_mode->crtc_hdisplay - 1) | |
8280 | ((adjusted_mode->crtc_htotal - 1) << 16)); | |
fe2b8f9d | 8281 | I915_WRITE(HBLANK(cpu_transcoder), |
b0e77b9c PZ |
8282 | (adjusted_mode->crtc_hblank_start - 1) | |
8283 | ((adjusted_mode->crtc_hblank_end - 1) << 16)); | |
fe2b8f9d | 8284 | I915_WRITE(HSYNC(cpu_transcoder), |
b0e77b9c PZ |
8285 | (adjusted_mode->crtc_hsync_start - 1) | |
8286 | ((adjusted_mode->crtc_hsync_end - 1) << 16)); | |
8287 | ||
fe2b8f9d | 8288 | I915_WRITE(VTOTAL(cpu_transcoder), |
b0e77b9c | 8289 | (adjusted_mode->crtc_vdisplay - 1) | |
4d8a62ea | 8290 | ((crtc_vtotal - 1) << 16)); |
fe2b8f9d | 8291 | I915_WRITE(VBLANK(cpu_transcoder), |
b0e77b9c | 8292 | (adjusted_mode->crtc_vblank_start - 1) | |
4d8a62ea | 8293 | ((crtc_vblank_end - 1) << 16)); |
fe2b8f9d | 8294 | I915_WRITE(VSYNC(cpu_transcoder), |
b0e77b9c PZ |
8295 | (adjusted_mode->crtc_vsync_start - 1) | |
8296 | ((adjusted_mode->crtc_vsync_end - 1) << 16)); | |
8297 | ||
b5e508d4 PZ |
8298 | /* Workaround: when the EDP input selection is B, the VTOTAL_B must be |
8299 | * programmed with the VTOTAL_EDP value. Same for VTOTAL_C. This is | |
8300 | * documented on the DDI_FUNC_CTL register description, EDP Input Select | |
8301 | * bits. */ | |
8302 | if (IS_HASWELL(dev) && cpu_transcoder == TRANSCODER_EDP && | |
8303 | (pipe == PIPE_B || pipe == PIPE_C)) | |
8304 | I915_WRITE(VTOTAL(pipe), I915_READ(VTOTAL(cpu_transcoder))); | |
8305 | ||
bc58be60 JN |
8306 | } |
8307 | ||
8308 | static void intel_set_pipe_src_size(struct intel_crtc *intel_crtc) | |
8309 | { | |
8310 | struct drm_device *dev = intel_crtc->base.dev; | |
fac5e23e | 8311 | struct drm_i915_private *dev_priv = to_i915(dev); |
bc58be60 JN |
8312 | enum pipe pipe = intel_crtc->pipe; |
8313 | ||
b0e77b9c PZ |
8314 | /* pipesrc controls the size that is scaled from, which should |
8315 | * always be the user's requested size. | |
8316 | */ | |
8317 | I915_WRITE(PIPESRC(pipe), | |
6e3c9717 ACO |
8318 | ((intel_crtc->config->pipe_src_w - 1) << 16) | |
8319 | (intel_crtc->config->pipe_src_h - 1)); | |
b0e77b9c PZ |
8320 | } |
8321 | ||
1bd1bd80 | 8322 | static void intel_get_pipe_timings(struct intel_crtc *crtc, |
5cec258b | 8323 | struct intel_crtc_state *pipe_config) |
1bd1bd80 DV |
8324 | { |
8325 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 8326 | struct drm_i915_private *dev_priv = to_i915(dev); |
1bd1bd80 DV |
8327 | enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; |
8328 | uint32_t tmp; | |
8329 | ||
8330 | tmp = I915_READ(HTOTAL(cpu_transcoder)); | |
2d112de7 ACO |
8331 | pipe_config->base.adjusted_mode.crtc_hdisplay = (tmp & 0xffff) + 1; |
8332 | pipe_config->base.adjusted_mode.crtc_htotal = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 8333 | tmp = I915_READ(HBLANK(cpu_transcoder)); |
2d112de7 ACO |
8334 | pipe_config->base.adjusted_mode.crtc_hblank_start = (tmp & 0xffff) + 1; |
8335 | pipe_config->base.adjusted_mode.crtc_hblank_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 8336 | tmp = I915_READ(HSYNC(cpu_transcoder)); |
2d112de7 ACO |
8337 | pipe_config->base.adjusted_mode.crtc_hsync_start = (tmp & 0xffff) + 1; |
8338 | pipe_config->base.adjusted_mode.crtc_hsync_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 DV |
8339 | |
8340 | tmp = I915_READ(VTOTAL(cpu_transcoder)); | |
2d112de7 ACO |
8341 | pipe_config->base.adjusted_mode.crtc_vdisplay = (tmp & 0xffff) + 1; |
8342 | pipe_config->base.adjusted_mode.crtc_vtotal = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 8343 | tmp = I915_READ(VBLANK(cpu_transcoder)); |
2d112de7 ACO |
8344 | pipe_config->base.adjusted_mode.crtc_vblank_start = (tmp & 0xffff) + 1; |
8345 | pipe_config->base.adjusted_mode.crtc_vblank_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 8346 | tmp = I915_READ(VSYNC(cpu_transcoder)); |
2d112de7 ACO |
8347 | pipe_config->base.adjusted_mode.crtc_vsync_start = (tmp & 0xffff) + 1; |
8348 | pipe_config->base.adjusted_mode.crtc_vsync_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 DV |
8349 | |
8350 | if (I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_INTERLACE_MASK) { | |
2d112de7 ACO |
8351 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_INTERLACE; |
8352 | pipe_config->base.adjusted_mode.crtc_vtotal += 1; | |
8353 | pipe_config->base.adjusted_mode.crtc_vblank_end += 1; | |
1bd1bd80 | 8354 | } |
bc58be60 JN |
8355 | } |
8356 | ||
8357 | static void intel_get_pipe_src_size(struct intel_crtc *crtc, | |
8358 | struct intel_crtc_state *pipe_config) | |
8359 | { | |
8360 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 8361 | struct drm_i915_private *dev_priv = to_i915(dev); |
bc58be60 | 8362 | u32 tmp; |
1bd1bd80 DV |
8363 | |
8364 | tmp = I915_READ(PIPESRC(crtc->pipe)); | |
37327abd VS |
8365 | pipe_config->pipe_src_h = (tmp & 0xffff) + 1; |
8366 | pipe_config->pipe_src_w = ((tmp >> 16) & 0xffff) + 1; | |
8367 | ||
2d112de7 ACO |
8368 | pipe_config->base.mode.vdisplay = pipe_config->pipe_src_h; |
8369 | pipe_config->base.mode.hdisplay = pipe_config->pipe_src_w; | |
1bd1bd80 DV |
8370 | } |
8371 | ||
f6a83288 | 8372 | void intel_mode_from_pipe_config(struct drm_display_mode *mode, |
5cec258b | 8373 | struct intel_crtc_state *pipe_config) |
babea61d | 8374 | { |
2d112de7 ACO |
8375 | mode->hdisplay = pipe_config->base.adjusted_mode.crtc_hdisplay; |
8376 | mode->htotal = pipe_config->base.adjusted_mode.crtc_htotal; | |
8377 | mode->hsync_start = pipe_config->base.adjusted_mode.crtc_hsync_start; | |
8378 | mode->hsync_end = pipe_config->base.adjusted_mode.crtc_hsync_end; | |
babea61d | 8379 | |
2d112de7 ACO |
8380 | mode->vdisplay = pipe_config->base.adjusted_mode.crtc_vdisplay; |
8381 | mode->vtotal = pipe_config->base.adjusted_mode.crtc_vtotal; | |
8382 | mode->vsync_start = pipe_config->base.adjusted_mode.crtc_vsync_start; | |
8383 | mode->vsync_end = pipe_config->base.adjusted_mode.crtc_vsync_end; | |
babea61d | 8384 | |
2d112de7 | 8385 | mode->flags = pipe_config->base.adjusted_mode.flags; |
cd13f5ab | 8386 | mode->type = DRM_MODE_TYPE_DRIVER; |
babea61d | 8387 | |
2d112de7 ACO |
8388 | mode->clock = pipe_config->base.adjusted_mode.crtc_clock; |
8389 | mode->flags |= pipe_config->base.adjusted_mode.flags; | |
cd13f5ab ML |
8390 | |
8391 | mode->hsync = drm_mode_hsync(mode); | |
8392 | mode->vrefresh = drm_mode_vrefresh(mode); | |
8393 | drm_mode_set_name(mode); | |
babea61d JB |
8394 | } |
8395 | ||
84b046f3 DV |
8396 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc) |
8397 | { | |
8398 | struct drm_device *dev = intel_crtc->base.dev; | |
fac5e23e | 8399 | struct drm_i915_private *dev_priv = to_i915(dev); |
84b046f3 DV |
8400 | uint32_t pipeconf; |
8401 | ||
9f11a9e4 | 8402 | pipeconf = 0; |
84b046f3 | 8403 | |
b6b5d049 VS |
8404 | if ((intel_crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
8405 | (intel_crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
8406 | pipeconf |= I915_READ(PIPECONF(intel_crtc->pipe)) & PIPECONF_ENABLE; | |
67c72a12 | 8407 | |
6e3c9717 | 8408 | if (intel_crtc->config->double_wide) |
cf532bb2 | 8409 | pipeconf |= PIPECONF_DOUBLE_WIDE; |
84b046f3 | 8410 | |
ff9ce46e | 8411 | /* only g4x and later have fancy bpc/dither controls */ |
666a4537 | 8412 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { |
ff9ce46e | 8413 | /* Bspec claims that we can't use dithering for 30bpp pipes. */ |
6e3c9717 | 8414 | if (intel_crtc->config->dither && intel_crtc->config->pipe_bpp != 30) |
ff9ce46e | 8415 | pipeconf |= PIPECONF_DITHER_EN | |
84b046f3 | 8416 | PIPECONF_DITHER_TYPE_SP; |
84b046f3 | 8417 | |
6e3c9717 | 8418 | switch (intel_crtc->config->pipe_bpp) { |
ff9ce46e DV |
8419 | case 18: |
8420 | pipeconf |= PIPECONF_6BPC; | |
8421 | break; | |
8422 | case 24: | |
8423 | pipeconf |= PIPECONF_8BPC; | |
8424 | break; | |
8425 | case 30: | |
8426 | pipeconf |= PIPECONF_10BPC; | |
8427 | break; | |
8428 | default: | |
8429 | /* Case prevented by intel_choose_pipe_bpp_dither. */ | |
8430 | BUG(); | |
84b046f3 DV |
8431 | } |
8432 | } | |
8433 | ||
8434 | if (HAS_PIPE_CXSR(dev)) { | |
8435 | if (intel_crtc->lowfreq_avail) { | |
8436 | DRM_DEBUG_KMS("enabling CxSR downclocking\n"); | |
8437 | pipeconf |= PIPECONF_CXSR_DOWNCLOCK; | |
8438 | } else { | |
8439 | DRM_DEBUG_KMS("disabling CxSR downclocking\n"); | |
84b046f3 DV |
8440 | } |
8441 | } | |
8442 | ||
6e3c9717 | 8443 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) { |
efc2cfff | 8444 | if (INTEL_INFO(dev)->gen < 4 || |
2d84d2b3 | 8445 | intel_crtc_has_type(intel_crtc->config, INTEL_OUTPUT_SDVO)) |
efc2cfff VS |
8446 | pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; |
8447 | else | |
8448 | pipeconf |= PIPECONF_INTERLACE_W_SYNC_SHIFT; | |
8449 | } else | |
84b046f3 DV |
8450 | pipeconf |= PIPECONF_PROGRESSIVE; |
8451 | ||
666a4537 WB |
8452 | if ((IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) && |
8453 | intel_crtc->config->limited_color_range) | |
9f11a9e4 | 8454 | pipeconf |= PIPECONF_COLOR_RANGE_SELECT; |
9c8e09b7 | 8455 | |
84b046f3 DV |
8456 | I915_WRITE(PIPECONF(intel_crtc->pipe), pipeconf); |
8457 | POSTING_READ(PIPECONF(intel_crtc->pipe)); | |
8458 | } | |
8459 | ||
81c97f52 ACO |
8460 | static int i8xx_crtc_compute_clock(struct intel_crtc *crtc, |
8461 | struct intel_crtc_state *crtc_state) | |
8462 | { | |
8463 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 8464 | struct drm_i915_private *dev_priv = to_i915(dev); |
1b6f4958 | 8465 | const struct intel_limit *limit; |
81c97f52 ACO |
8466 | int refclk = 48000; |
8467 | ||
8468 | memset(&crtc_state->dpll_hw_state, 0, | |
8469 | sizeof(crtc_state->dpll_hw_state)); | |
8470 | ||
2d84d2b3 | 8471 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
81c97f52 ACO |
8472 | if (intel_panel_use_ssc(dev_priv)) { |
8473 | refclk = dev_priv->vbt.lvds_ssc_freq; | |
8474 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk); | |
8475 | } | |
8476 | ||
8477 | limit = &intel_limits_i8xx_lvds; | |
2d84d2b3 | 8478 | } else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DVO)) { |
81c97f52 ACO |
8479 | limit = &intel_limits_i8xx_dvo; |
8480 | } else { | |
8481 | limit = &intel_limits_i8xx_dac; | |
8482 | } | |
8483 | ||
8484 | if (!crtc_state->clock_set && | |
8485 | !i9xx_find_best_dpll(limit, crtc_state, crtc_state->port_clock, | |
8486 | refclk, NULL, &crtc_state->dpll)) { | |
8487 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); | |
8488 | return -EINVAL; | |
8489 | } | |
8490 | ||
8491 | i8xx_compute_dpll(crtc, crtc_state, NULL); | |
8492 | ||
8493 | return 0; | |
8494 | } | |
8495 | ||
19ec6693 ACO |
8496 | static int g4x_crtc_compute_clock(struct intel_crtc *crtc, |
8497 | struct intel_crtc_state *crtc_state) | |
8498 | { | |
8499 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 8500 | struct drm_i915_private *dev_priv = to_i915(dev); |
1b6f4958 | 8501 | const struct intel_limit *limit; |
19ec6693 ACO |
8502 | int refclk = 96000; |
8503 | ||
8504 | memset(&crtc_state->dpll_hw_state, 0, | |
8505 | sizeof(crtc_state->dpll_hw_state)); | |
8506 | ||
2d84d2b3 | 8507 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
19ec6693 ACO |
8508 | if (intel_panel_use_ssc(dev_priv)) { |
8509 | refclk = dev_priv->vbt.lvds_ssc_freq; | |
8510 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk); | |
8511 | } | |
8512 | ||
8513 | if (intel_is_dual_link_lvds(dev)) | |
8514 | limit = &intel_limits_g4x_dual_channel_lvds; | |
8515 | else | |
8516 | limit = &intel_limits_g4x_single_channel_lvds; | |
2d84d2b3 VS |
8517 | } else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI) || |
8518 | intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG)) { | |
19ec6693 | 8519 | limit = &intel_limits_g4x_hdmi; |
2d84d2b3 | 8520 | } else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_SDVO)) { |
19ec6693 ACO |
8521 | limit = &intel_limits_g4x_sdvo; |
8522 | } else { | |
8523 | /* The option is for other outputs */ | |
8524 | limit = &intel_limits_i9xx_sdvo; | |
8525 | } | |
8526 | ||
8527 | if (!crtc_state->clock_set && | |
8528 | !g4x_find_best_dpll(limit, crtc_state, crtc_state->port_clock, | |
8529 | refclk, NULL, &crtc_state->dpll)) { | |
8530 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); | |
8531 | return -EINVAL; | |
8532 | } | |
8533 | ||
8534 | i9xx_compute_dpll(crtc, crtc_state, NULL); | |
8535 | ||
8536 | return 0; | |
8537 | } | |
8538 | ||
70e8aa21 ACO |
8539 | static int pnv_crtc_compute_clock(struct intel_crtc *crtc, |
8540 | struct intel_crtc_state *crtc_state) | |
8541 | { | |
8542 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 8543 | struct drm_i915_private *dev_priv = to_i915(dev); |
1b6f4958 | 8544 | const struct intel_limit *limit; |
70e8aa21 ACO |
8545 | int refclk = 96000; |
8546 | ||
8547 | memset(&crtc_state->dpll_hw_state, 0, | |
8548 | sizeof(crtc_state->dpll_hw_state)); | |
8549 | ||
2d84d2b3 | 8550 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
70e8aa21 ACO |
8551 | if (intel_panel_use_ssc(dev_priv)) { |
8552 | refclk = dev_priv->vbt.lvds_ssc_freq; | |
8553 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk); | |
8554 | } | |
8555 | ||
8556 | limit = &intel_limits_pineview_lvds; | |
8557 | } else { | |
8558 | limit = &intel_limits_pineview_sdvo; | |
8559 | } | |
8560 | ||
8561 | if (!crtc_state->clock_set && | |
8562 | !pnv_find_best_dpll(limit, crtc_state, crtc_state->port_clock, | |
8563 | refclk, NULL, &crtc_state->dpll)) { | |
8564 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); | |
8565 | return -EINVAL; | |
8566 | } | |
8567 | ||
8568 | i9xx_compute_dpll(crtc, crtc_state, NULL); | |
8569 | ||
8570 | return 0; | |
8571 | } | |
8572 | ||
190f68c5 ACO |
8573 | static int i9xx_crtc_compute_clock(struct intel_crtc *crtc, |
8574 | struct intel_crtc_state *crtc_state) | |
79e53945 | 8575 | { |
c7653199 | 8576 | struct drm_device *dev = crtc->base.dev; |
fac5e23e | 8577 | struct drm_i915_private *dev_priv = to_i915(dev); |
1b6f4958 | 8578 | const struct intel_limit *limit; |
81c97f52 | 8579 | int refclk = 96000; |
79e53945 | 8580 | |
dd3cd74a ACO |
8581 | memset(&crtc_state->dpll_hw_state, 0, |
8582 | sizeof(crtc_state->dpll_hw_state)); | |
8583 | ||
2d84d2b3 | 8584 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
70e8aa21 ACO |
8585 | if (intel_panel_use_ssc(dev_priv)) { |
8586 | refclk = dev_priv->vbt.lvds_ssc_freq; | |
8587 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk); | |
8588 | } | |
43565a06 | 8589 | |
70e8aa21 ACO |
8590 | limit = &intel_limits_i9xx_lvds; |
8591 | } else { | |
8592 | limit = &intel_limits_i9xx_sdvo; | |
81c97f52 | 8593 | } |
79e53945 | 8594 | |
70e8aa21 ACO |
8595 | if (!crtc_state->clock_set && |
8596 | !i9xx_find_best_dpll(limit, crtc_state, crtc_state->port_clock, | |
8597 | refclk, NULL, &crtc_state->dpll)) { | |
8598 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); | |
8599 | return -EINVAL; | |
f47709a9 | 8600 | } |
7026d4ac | 8601 | |
81c97f52 | 8602 | i9xx_compute_dpll(crtc, crtc_state, NULL); |
79e53945 | 8603 | |
c8f7a0db | 8604 | return 0; |
f564048e EA |
8605 | } |
8606 | ||
65b3d6a9 ACO |
8607 | static int chv_crtc_compute_clock(struct intel_crtc *crtc, |
8608 | struct intel_crtc_state *crtc_state) | |
8609 | { | |
8610 | int refclk = 100000; | |
1b6f4958 | 8611 | const struct intel_limit *limit = &intel_limits_chv; |
65b3d6a9 ACO |
8612 | |
8613 | memset(&crtc_state->dpll_hw_state, 0, | |
8614 | sizeof(crtc_state->dpll_hw_state)); | |
8615 | ||
65b3d6a9 ACO |
8616 | if (!crtc_state->clock_set && |
8617 | !chv_find_best_dpll(limit, crtc_state, crtc_state->port_clock, | |
8618 | refclk, NULL, &crtc_state->dpll)) { | |
8619 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); | |
8620 | return -EINVAL; | |
8621 | } | |
8622 | ||
8623 | chv_compute_dpll(crtc, crtc_state); | |
8624 | ||
8625 | return 0; | |
8626 | } | |
8627 | ||
8628 | static int vlv_crtc_compute_clock(struct intel_crtc *crtc, | |
8629 | struct intel_crtc_state *crtc_state) | |
8630 | { | |
8631 | int refclk = 100000; | |
1b6f4958 | 8632 | const struct intel_limit *limit = &intel_limits_vlv; |
65b3d6a9 ACO |
8633 | |
8634 | memset(&crtc_state->dpll_hw_state, 0, | |
8635 | sizeof(crtc_state->dpll_hw_state)); | |
8636 | ||
65b3d6a9 ACO |
8637 | if (!crtc_state->clock_set && |
8638 | !vlv_find_best_dpll(limit, crtc_state, crtc_state->port_clock, | |
8639 | refclk, NULL, &crtc_state->dpll)) { | |
8640 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); | |
8641 | return -EINVAL; | |
8642 | } | |
8643 | ||
8644 | vlv_compute_dpll(crtc, crtc_state); | |
8645 | ||
8646 | return 0; | |
8647 | } | |
8648 | ||
2fa2fe9a | 8649 | static void i9xx_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 8650 | struct intel_crtc_state *pipe_config) |
2fa2fe9a DV |
8651 | { |
8652 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 8653 | struct drm_i915_private *dev_priv = to_i915(dev); |
2fa2fe9a DV |
8654 | uint32_t tmp; |
8655 | ||
dc9e7dec VS |
8656 | if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev))) |
8657 | return; | |
8658 | ||
2fa2fe9a | 8659 | tmp = I915_READ(PFIT_CONTROL); |
06922821 DV |
8660 | if (!(tmp & PFIT_ENABLE)) |
8661 | return; | |
2fa2fe9a | 8662 | |
06922821 | 8663 | /* Check whether the pfit is attached to our pipe. */ |
2fa2fe9a DV |
8664 | if (INTEL_INFO(dev)->gen < 4) { |
8665 | if (crtc->pipe != PIPE_B) | |
8666 | return; | |
2fa2fe9a DV |
8667 | } else { |
8668 | if ((tmp & PFIT_PIPE_MASK) != (crtc->pipe << PFIT_PIPE_SHIFT)) | |
8669 | return; | |
8670 | } | |
8671 | ||
06922821 | 8672 | pipe_config->gmch_pfit.control = tmp; |
2fa2fe9a | 8673 | pipe_config->gmch_pfit.pgm_ratios = I915_READ(PFIT_PGM_RATIOS); |
2fa2fe9a DV |
8674 | } |
8675 | ||
acbec814 | 8676 | static void vlv_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 8677 | struct intel_crtc_state *pipe_config) |
acbec814 JB |
8678 | { |
8679 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 8680 | struct drm_i915_private *dev_priv = to_i915(dev); |
acbec814 | 8681 | int pipe = pipe_config->cpu_transcoder; |
9e2c8475 | 8682 | struct dpll clock; |
acbec814 | 8683 | u32 mdiv; |
662c6ecb | 8684 | int refclk = 100000; |
acbec814 | 8685 | |
b521973b VS |
8686 | /* In case of DSI, DPLL will not be used */ |
8687 | if ((pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE) == 0) | |
f573de5a SK |
8688 | return; |
8689 | ||
a580516d | 8690 | mutex_lock(&dev_priv->sb_lock); |
ab3c759a | 8691 | mdiv = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW3(pipe)); |
a580516d | 8692 | mutex_unlock(&dev_priv->sb_lock); |
acbec814 JB |
8693 | |
8694 | clock.m1 = (mdiv >> DPIO_M1DIV_SHIFT) & 7; | |
8695 | clock.m2 = mdiv & DPIO_M2DIV_MASK; | |
8696 | clock.n = (mdiv >> DPIO_N_SHIFT) & 0xf; | |
8697 | clock.p1 = (mdiv >> DPIO_P1_SHIFT) & 7; | |
8698 | clock.p2 = (mdiv >> DPIO_P2_SHIFT) & 0x1f; | |
8699 | ||
dccbea3b | 8700 | pipe_config->port_clock = vlv_calc_dpll_params(refclk, &clock); |
acbec814 JB |
8701 | } |
8702 | ||
5724dbd1 DL |
8703 | static void |
8704 | i9xx_get_initial_plane_config(struct intel_crtc *crtc, | |
8705 | struct intel_initial_plane_config *plane_config) | |
1ad292b5 JB |
8706 | { |
8707 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 8708 | struct drm_i915_private *dev_priv = to_i915(dev); |
1ad292b5 JB |
8709 | u32 val, base, offset; |
8710 | int pipe = crtc->pipe, plane = crtc->plane; | |
8711 | int fourcc, pixel_format; | |
6761dd31 | 8712 | unsigned int aligned_height; |
b113d5ee | 8713 | struct drm_framebuffer *fb; |
1b842c89 | 8714 | struct intel_framebuffer *intel_fb; |
1ad292b5 | 8715 | |
42a7b088 DL |
8716 | val = I915_READ(DSPCNTR(plane)); |
8717 | if (!(val & DISPLAY_PLANE_ENABLE)) | |
8718 | return; | |
8719 | ||
d9806c9f | 8720 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 8721 | if (!intel_fb) { |
1ad292b5 JB |
8722 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
8723 | return; | |
8724 | } | |
8725 | ||
1b842c89 DL |
8726 | fb = &intel_fb->base; |
8727 | ||
18c5247e DV |
8728 | if (INTEL_INFO(dev)->gen >= 4) { |
8729 | if (val & DISPPLANE_TILED) { | |
49af449b | 8730 | plane_config->tiling = I915_TILING_X; |
18c5247e DV |
8731 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; |
8732 | } | |
8733 | } | |
1ad292b5 JB |
8734 | |
8735 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; | |
b35d63fa | 8736 | fourcc = i9xx_format_to_fourcc(pixel_format); |
b113d5ee DL |
8737 | fb->pixel_format = fourcc; |
8738 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
1ad292b5 JB |
8739 | |
8740 | if (INTEL_INFO(dev)->gen >= 4) { | |
49af449b | 8741 | if (plane_config->tiling) |
1ad292b5 JB |
8742 | offset = I915_READ(DSPTILEOFF(plane)); |
8743 | else | |
8744 | offset = I915_READ(DSPLINOFF(plane)); | |
8745 | base = I915_READ(DSPSURF(plane)) & 0xfffff000; | |
8746 | } else { | |
8747 | base = I915_READ(DSPADDR(plane)); | |
8748 | } | |
8749 | plane_config->base = base; | |
8750 | ||
8751 | val = I915_READ(PIPESRC(pipe)); | |
b113d5ee DL |
8752 | fb->width = ((val >> 16) & 0xfff) + 1; |
8753 | fb->height = ((val >> 0) & 0xfff) + 1; | |
1ad292b5 JB |
8754 | |
8755 | val = I915_READ(DSPSTRIDE(pipe)); | |
b113d5ee | 8756 | fb->pitches[0] = val & 0xffffffc0; |
1ad292b5 | 8757 | |
b113d5ee | 8758 | aligned_height = intel_fb_align_height(dev, fb->height, |
091df6cb DV |
8759 | fb->pixel_format, |
8760 | fb->modifier[0]); | |
1ad292b5 | 8761 | |
f37b5c2b | 8762 | plane_config->size = fb->pitches[0] * aligned_height; |
1ad292b5 | 8763 | |
2844a921 DL |
8764 | DRM_DEBUG_KMS("pipe/plane %c/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
8765 | pipe_name(pipe), plane, fb->width, fb->height, | |
8766 | fb->bits_per_pixel, base, fb->pitches[0], | |
8767 | plane_config->size); | |
1ad292b5 | 8768 | |
2d14030b | 8769 | plane_config->fb = intel_fb; |
1ad292b5 JB |
8770 | } |
8771 | ||
70b23a98 | 8772 | static void chv_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 8773 | struct intel_crtc_state *pipe_config) |
70b23a98 VS |
8774 | { |
8775 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 8776 | struct drm_i915_private *dev_priv = to_i915(dev); |
70b23a98 VS |
8777 | int pipe = pipe_config->cpu_transcoder; |
8778 | enum dpio_channel port = vlv_pipe_to_channel(pipe); | |
9e2c8475 | 8779 | struct dpll clock; |
0d7b6b11 | 8780 | u32 cmn_dw13, pll_dw0, pll_dw1, pll_dw2, pll_dw3; |
70b23a98 VS |
8781 | int refclk = 100000; |
8782 | ||
b521973b VS |
8783 | /* In case of DSI, DPLL will not be used */ |
8784 | if ((pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE) == 0) | |
8785 | return; | |
8786 | ||
a580516d | 8787 | mutex_lock(&dev_priv->sb_lock); |
70b23a98 VS |
8788 | cmn_dw13 = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW13(port)); |
8789 | pll_dw0 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW0(port)); | |
8790 | pll_dw1 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW1(port)); | |
8791 | pll_dw2 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW2(port)); | |
0d7b6b11 | 8792 | pll_dw3 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW3(port)); |
a580516d | 8793 | mutex_unlock(&dev_priv->sb_lock); |
70b23a98 VS |
8794 | |
8795 | clock.m1 = (pll_dw1 & 0x7) == DPIO_CHV_M1_DIV_BY_2 ? 2 : 0; | |
0d7b6b11 ID |
8796 | clock.m2 = (pll_dw0 & 0xff) << 22; |
8797 | if (pll_dw3 & DPIO_CHV_FRAC_DIV_EN) | |
8798 | clock.m2 |= pll_dw2 & 0x3fffff; | |
70b23a98 VS |
8799 | clock.n = (pll_dw1 >> DPIO_CHV_N_DIV_SHIFT) & 0xf; |
8800 | clock.p1 = (cmn_dw13 >> DPIO_CHV_P1_DIV_SHIFT) & 0x7; | |
8801 | clock.p2 = (cmn_dw13 >> DPIO_CHV_P2_DIV_SHIFT) & 0x1f; | |
8802 | ||
dccbea3b | 8803 | pipe_config->port_clock = chv_calc_dpll_params(refclk, &clock); |
70b23a98 VS |
8804 | } |
8805 | ||
0e8ffe1b | 8806 | static bool i9xx_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 8807 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
8808 | { |
8809 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 8810 | struct drm_i915_private *dev_priv = to_i915(dev); |
1729050e | 8811 | enum intel_display_power_domain power_domain; |
0e8ffe1b | 8812 | uint32_t tmp; |
1729050e | 8813 | bool ret; |
0e8ffe1b | 8814 | |
1729050e ID |
8815 | power_domain = POWER_DOMAIN_PIPE(crtc->pipe); |
8816 | if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) | |
b5482bd0 ID |
8817 | return false; |
8818 | ||
e143a21c | 8819 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
8106ddbd | 8820 | pipe_config->shared_dpll = NULL; |
eccb140b | 8821 | |
1729050e ID |
8822 | ret = false; |
8823 | ||
0e8ffe1b DV |
8824 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
8825 | if (!(tmp & PIPECONF_ENABLE)) | |
1729050e | 8826 | goto out; |
0e8ffe1b | 8827 | |
666a4537 | 8828 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { |
42571aef VS |
8829 | switch (tmp & PIPECONF_BPC_MASK) { |
8830 | case PIPECONF_6BPC: | |
8831 | pipe_config->pipe_bpp = 18; | |
8832 | break; | |
8833 | case PIPECONF_8BPC: | |
8834 | pipe_config->pipe_bpp = 24; | |
8835 | break; | |
8836 | case PIPECONF_10BPC: | |
8837 | pipe_config->pipe_bpp = 30; | |
8838 | break; | |
8839 | default: | |
8840 | break; | |
8841 | } | |
8842 | } | |
8843 | ||
666a4537 WB |
8844 | if ((IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) && |
8845 | (tmp & PIPECONF_COLOR_RANGE_SELECT)) | |
b5a9fa09 DV |
8846 | pipe_config->limited_color_range = true; |
8847 | ||
282740f7 VS |
8848 | if (INTEL_INFO(dev)->gen < 4) |
8849 | pipe_config->double_wide = tmp & PIPECONF_DOUBLE_WIDE; | |
8850 | ||
1bd1bd80 | 8851 | intel_get_pipe_timings(crtc, pipe_config); |
bc58be60 | 8852 | intel_get_pipe_src_size(crtc, pipe_config); |
1bd1bd80 | 8853 | |
2fa2fe9a DV |
8854 | i9xx_get_pfit_config(crtc, pipe_config); |
8855 | ||
6c49f241 | 8856 | if (INTEL_INFO(dev)->gen >= 4) { |
c231775c VS |
8857 | /* No way to read it out on pipes B and C */ |
8858 | if (IS_CHERRYVIEW(dev) && crtc->pipe != PIPE_A) | |
8859 | tmp = dev_priv->chv_dpll_md[crtc->pipe]; | |
8860 | else | |
8861 | tmp = I915_READ(DPLL_MD(crtc->pipe)); | |
6c49f241 DV |
8862 | pipe_config->pixel_multiplier = |
8863 | ((tmp & DPLL_MD_UDI_MULTIPLIER_MASK) | |
8864 | >> DPLL_MD_UDI_MULTIPLIER_SHIFT) + 1; | |
8bcc2795 | 8865 | pipe_config->dpll_hw_state.dpll_md = tmp; |
6c49f241 DV |
8866 | } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
8867 | tmp = I915_READ(DPLL(crtc->pipe)); | |
8868 | pipe_config->pixel_multiplier = | |
8869 | ((tmp & SDVO_MULTIPLIER_MASK) | |
8870 | >> SDVO_MULTIPLIER_SHIFT_HIRES) + 1; | |
8871 | } else { | |
8872 | /* Note that on i915G/GM the pixel multiplier is in the sdvo | |
8873 | * port and will be fixed up in the encoder->get_config | |
8874 | * function. */ | |
8875 | pipe_config->pixel_multiplier = 1; | |
8876 | } | |
8bcc2795 | 8877 | pipe_config->dpll_hw_state.dpll = I915_READ(DPLL(crtc->pipe)); |
666a4537 | 8878 | if (!IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev)) { |
1c4e0274 VS |
8879 | /* |
8880 | * DPLL_DVO_2X_MODE must be enabled for both DPLLs | |
8881 | * on 830. Filter it out here so that we don't | |
8882 | * report errors due to that. | |
8883 | */ | |
8884 | if (IS_I830(dev)) | |
8885 | pipe_config->dpll_hw_state.dpll &= ~DPLL_DVO_2X_MODE; | |
8886 | ||
8bcc2795 DV |
8887 | pipe_config->dpll_hw_state.fp0 = I915_READ(FP0(crtc->pipe)); |
8888 | pipe_config->dpll_hw_state.fp1 = I915_READ(FP1(crtc->pipe)); | |
165e901c VS |
8889 | } else { |
8890 | /* Mask out read-only status bits. */ | |
8891 | pipe_config->dpll_hw_state.dpll &= ~(DPLL_LOCK_VLV | | |
8892 | DPLL_PORTC_READY_MASK | | |
8893 | DPLL_PORTB_READY_MASK); | |
8bcc2795 | 8894 | } |
6c49f241 | 8895 | |
70b23a98 VS |
8896 | if (IS_CHERRYVIEW(dev)) |
8897 | chv_crtc_clock_get(crtc, pipe_config); | |
8898 | else if (IS_VALLEYVIEW(dev)) | |
acbec814 JB |
8899 | vlv_crtc_clock_get(crtc, pipe_config); |
8900 | else | |
8901 | i9xx_crtc_clock_get(crtc, pipe_config); | |
18442d08 | 8902 | |
0f64614d VS |
8903 | /* |
8904 | * Normally the dotclock is filled in by the encoder .get_config() | |
8905 | * but in case the pipe is enabled w/o any ports we need a sane | |
8906 | * default. | |
8907 | */ | |
8908 | pipe_config->base.adjusted_mode.crtc_clock = | |
8909 | pipe_config->port_clock / pipe_config->pixel_multiplier; | |
8910 | ||
1729050e ID |
8911 | ret = true; |
8912 | ||
8913 | out: | |
8914 | intel_display_power_put(dev_priv, power_domain); | |
8915 | ||
8916 | return ret; | |
0e8ffe1b DV |
8917 | } |
8918 | ||
dde86e2d | 8919 | static void ironlake_init_pch_refclk(struct drm_device *dev) |
13d83a67 | 8920 | { |
fac5e23e | 8921 | struct drm_i915_private *dev_priv = to_i915(dev); |
13d83a67 | 8922 | struct intel_encoder *encoder; |
1c1a24d2 | 8923 | int i; |
74cfd7ac | 8924 | u32 val, final; |
13d83a67 | 8925 | bool has_lvds = false; |
199e5d79 | 8926 | bool has_cpu_edp = false; |
199e5d79 | 8927 | bool has_panel = false; |
99eb6a01 KP |
8928 | bool has_ck505 = false; |
8929 | bool can_ssc = false; | |
1c1a24d2 | 8930 | bool using_ssc_source = false; |
13d83a67 JB |
8931 | |
8932 | /* We need to take the global config into account */ | |
b2784e15 | 8933 | for_each_intel_encoder(dev, encoder) { |
199e5d79 KP |
8934 | switch (encoder->type) { |
8935 | case INTEL_OUTPUT_LVDS: | |
8936 | has_panel = true; | |
8937 | has_lvds = true; | |
8938 | break; | |
8939 | case INTEL_OUTPUT_EDP: | |
8940 | has_panel = true; | |
2de6905f | 8941 | if (enc_to_dig_port(&encoder->base)->port == PORT_A) |
199e5d79 KP |
8942 | has_cpu_edp = true; |
8943 | break; | |
6847d71b PZ |
8944 | default: |
8945 | break; | |
13d83a67 JB |
8946 | } |
8947 | } | |
8948 | ||
99eb6a01 | 8949 | if (HAS_PCH_IBX(dev)) { |
41aa3448 | 8950 | has_ck505 = dev_priv->vbt.display_clock_mode; |
99eb6a01 KP |
8951 | can_ssc = has_ck505; |
8952 | } else { | |
8953 | has_ck505 = false; | |
8954 | can_ssc = true; | |
8955 | } | |
8956 | ||
1c1a24d2 L |
8957 | /* Check if any DPLLs are using the SSC source */ |
8958 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
8959 | u32 temp = I915_READ(PCH_DPLL(i)); | |
8960 | ||
8961 | if (!(temp & DPLL_VCO_ENABLE)) | |
8962 | continue; | |
8963 | ||
8964 | if ((temp & PLL_REF_INPUT_MASK) == | |
8965 | PLLB_REF_INPUT_SPREADSPECTRUMIN) { | |
8966 | using_ssc_source = true; | |
8967 | break; | |
8968 | } | |
8969 | } | |
8970 | ||
8971 | DRM_DEBUG_KMS("has_panel %d has_lvds %d has_ck505 %d using_ssc_source %d\n", | |
8972 | has_panel, has_lvds, has_ck505, using_ssc_source); | |
13d83a67 JB |
8973 | |
8974 | /* Ironlake: try to setup display ref clock before DPLL | |
8975 | * enabling. This is only under driver's control after | |
8976 | * PCH B stepping, previous chipset stepping should be | |
8977 | * ignoring this setting. | |
8978 | */ | |
74cfd7ac CW |
8979 | val = I915_READ(PCH_DREF_CONTROL); |
8980 | ||
8981 | /* As we must carefully and slowly disable/enable each source in turn, | |
8982 | * compute the final state we want first and check if we need to | |
8983 | * make any changes at all. | |
8984 | */ | |
8985 | final = val; | |
8986 | final &= ~DREF_NONSPREAD_SOURCE_MASK; | |
8987 | if (has_ck505) | |
8988 | final |= DREF_NONSPREAD_CK505_ENABLE; | |
8989 | else | |
8990 | final |= DREF_NONSPREAD_SOURCE_ENABLE; | |
8991 | ||
8c07eb68 | 8992 | final &= ~DREF_SSC_SOURCE_MASK; |
74cfd7ac | 8993 | final &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
8c07eb68 | 8994 | final &= ~DREF_SSC1_ENABLE; |
74cfd7ac CW |
8995 | |
8996 | if (has_panel) { | |
8997 | final |= DREF_SSC_SOURCE_ENABLE; | |
8998 | ||
8999 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
9000 | final |= DREF_SSC1_ENABLE; | |
9001 | ||
9002 | if (has_cpu_edp) { | |
9003 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
9004 | final |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; | |
9005 | else | |
9006 | final |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; | |
9007 | } else | |
9008 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; | |
1c1a24d2 L |
9009 | } else if (using_ssc_source) { |
9010 | final |= DREF_SSC_SOURCE_ENABLE; | |
9011 | final |= DREF_SSC1_ENABLE; | |
74cfd7ac CW |
9012 | } |
9013 | ||
9014 | if (final == val) | |
9015 | return; | |
9016 | ||
13d83a67 | 9017 | /* Always enable nonspread source */ |
74cfd7ac | 9018 | val &= ~DREF_NONSPREAD_SOURCE_MASK; |
13d83a67 | 9019 | |
99eb6a01 | 9020 | if (has_ck505) |
74cfd7ac | 9021 | val |= DREF_NONSPREAD_CK505_ENABLE; |
99eb6a01 | 9022 | else |
74cfd7ac | 9023 | val |= DREF_NONSPREAD_SOURCE_ENABLE; |
13d83a67 | 9024 | |
199e5d79 | 9025 | if (has_panel) { |
74cfd7ac CW |
9026 | val &= ~DREF_SSC_SOURCE_MASK; |
9027 | val |= DREF_SSC_SOURCE_ENABLE; | |
13d83a67 | 9028 | |
199e5d79 | 9029 | /* SSC must be turned on before enabling the CPU output */ |
99eb6a01 | 9030 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 9031 | DRM_DEBUG_KMS("Using SSC on panel\n"); |
74cfd7ac | 9032 | val |= DREF_SSC1_ENABLE; |
e77166b5 | 9033 | } else |
74cfd7ac | 9034 | val &= ~DREF_SSC1_ENABLE; |
199e5d79 KP |
9035 | |
9036 | /* Get SSC going before enabling the outputs */ | |
74cfd7ac | 9037 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
9038 | POSTING_READ(PCH_DREF_CONTROL); |
9039 | udelay(200); | |
9040 | ||
74cfd7ac | 9041 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
13d83a67 JB |
9042 | |
9043 | /* Enable CPU source on CPU attached eDP */ | |
199e5d79 | 9044 | if (has_cpu_edp) { |
99eb6a01 | 9045 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 9046 | DRM_DEBUG_KMS("Using SSC on eDP\n"); |
74cfd7ac | 9047 | val |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; |
eba905b2 | 9048 | } else |
74cfd7ac | 9049 | val |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; |
199e5d79 | 9050 | } else |
74cfd7ac | 9051 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 9052 | |
74cfd7ac | 9053 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
9054 | POSTING_READ(PCH_DREF_CONTROL); |
9055 | udelay(200); | |
9056 | } else { | |
1c1a24d2 | 9057 | DRM_DEBUG_KMS("Disabling CPU source output\n"); |
199e5d79 | 9058 | |
74cfd7ac | 9059 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
199e5d79 KP |
9060 | |
9061 | /* Turn off CPU output */ | |
74cfd7ac | 9062 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 9063 | |
74cfd7ac | 9064 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
9065 | POSTING_READ(PCH_DREF_CONTROL); |
9066 | udelay(200); | |
9067 | ||
1c1a24d2 L |
9068 | if (!using_ssc_source) { |
9069 | DRM_DEBUG_KMS("Disabling SSC source\n"); | |
199e5d79 | 9070 | |
1c1a24d2 L |
9071 | /* Turn off the SSC source */ |
9072 | val &= ~DREF_SSC_SOURCE_MASK; | |
9073 | val |= DREF_SSC_SOURCE_DISABLE; | |
f165d283 | 9074 | |
1c1a24d2 L |
9075 | /* Turn off SSC1 */ |
9076 | val &= ~DREF_SSC1_ENABLE; | |
9077 | ||
9078 | I915_WRITE(PCH_DREF_CONTROL, val); | |
9079 | POSTING_READ(PCH_DREF_CONTROL); | |
9080 | udelay(200); | |
9081 | } | |
13d83a67 | 9082 | } |
74cfd7ac CW |
9083 | |
9084 | BUG_ON(val != final); | |
13d83a67 JB |
9085 | } |
9086 | ||
f31f2d55 | 9087 | static void lpt_reset_fdi_mphy(struct drm_i915_private *dev_priv) |
dde86e2d | 9088 | { |
f31f2d55 | 9089 | uint32_t tmp; |
dde86e2d | 9090 | |
0ff066a9 PZ |
9091 | tmp = I915_READ(SOUTH_CHICKEN2); |
9092 | tmp |= FDI_MPHY_IOSFSB_RESET_CTL; | |
9093 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
dde86e2d | 9094 | |
cf3598c2 ID |
9095 | if (wait_for_us(I915_READ(SOUTH_CHICKEN2) & |
9096 | FDI_MPHY_IOSFSB_RESET_STATUS, 100)) | |
0ff066a9 | 9097 | DRM_ERROR("FDI mPHY reset assert timeout\n"); |
dde86e2d | 9098 | |
0ff066a9 PZ |
9099 | tmp = I915_READ(SOUTH_CHICKEN2); |
9100 | tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL; | |
9101 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
dde86e2d | 9102 | |
cf3598c2 ID |
9103 | if (wait_for_us((I915_READ(SOUTH_CHICKEN2) & |
9104 | FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100)) | |
0ff066a9 | 9105 | DRM_ERROR("FDI mPHY reset de-assert timeout\n"); |
f31f2d55 PZ |
9106 | } |
9107 | ||
9108 | /* WaMPhyProgramming:hsw */ | |
9109 | static void lpt_program_fdi_mphy(struct drm_i915_private *dev_priv) | |
9110 | { | |
9111 | uint32_t tmp; | |
dde86e2d PZ |
9112 | |
9113 | tmp = intel_sbi_read(dev_priv, 0x8008, SBI_MPHY); | |
9114 | tmp &= ~(0xFF << 24); | |
9115 | tmp |= (0x12 << 24); | |
9116 | intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY); | |
9117 | ||
dde86e2d PZ |
9118 | tmp = intel_sbi_read(dev_priv, 0x2008, SBI_MPHY); |
9119 | tmp |= (1 << 11); | |
9120 | intel_sbi_write(dev_priv, 0x2008, tmp, SBI_MPHY); | |
9121 | ||
9122 | tmp = intel_sbi_read(dev_priv, 0x2108, SBI_MPHY); | |
9123 | tmp |= (1 << 11); | |
9124 | intel_sbi_write(dev_priv, 0x2108, tmp, SBI_MPHY); | |
9125 | ||
dde86e2d PZ |
9126 | tmp = intel_sbi_read(dev_priv, 0x206C, SBI_MPHY); |
9127 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
9128 | intel_sbi_write(dev_priv, 0x206C, tmp, SBI_MPHY); | |
9129 | ||
9130 | tmp = intel_sbi_read(dev_priv, 0x216C, SBI_MPHY); | |
9131 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
9132 | intel_sbi_write(dev_priv, 0x216C, tmp, SBI_MPHY); | |
9133 | ||
0ff066a9 PZ |
9134 | tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY); |
9135 | tmp &= ~(7 << 13); | |
9136 | tmp |= (5 << 13); | |
9137 | intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY); | |
dde86e2d | 9138 | |
0ff066a9 PZ |
9139 | tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY); |
9140 | tmp &= ~(7 << 13); | |
9141 | tmp |= (5 << 13); | |
9142 | intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY); | |
dde86e2d PZ |
9143 | |
9144 | tmp = intel_sbi_read(dev_priv, 0x208C, SBI_MPHY); | |
9145 | tmp &= ~0xFF; | |
9146 | tmp |= 0x1C; | |
9147 | intel_sbi_write(dev_priv, 0x208C, tmp, SBI_MPHY); | |
9148 | ||
9149 | tmp = intel_sbi_read(dev_priv, 0x218C, SBI_MPHY); | |
9150 | tmp &= ~0xFF; | |
9151 | tmp |= 0x1C; | |
9152 | intel_sbi_write(dev_priv, 0x218C, tmp, SBI_MPHY); | |
9153 | ||
9154 | tmp = intel_sbi_read(dev_priv, 0x2098, SBI_MPHY); | |
9155 | tmp &= ~(0xFF << 16); | |
9156 | tmp |= (0x1C << 16); | |
9157 | intel_sbi_write(dev_priv, 0x2098, tmp, SBI_MPHY); | |
9158 | ||
9159 | tmp = intel_sbi_read(dev_priv, 0x2198, SBI_MPHY); | |
9160 | tmp &= ~(0xFF << 16); | |
9161 | tmp |= (0x1C << 16); | |
9162 | intel_sbi_write(dev_priv, 0x2198, tmp, SBI_MPHY); | |
9163 | ||
0ff066a9 PZ |
9164 | tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY); |
9165 | tmp |= (1 << 27); | |
9166 | intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY); | |
dde86e2d | 9167 | |
0ff066a9 PZ |
9168 | tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY); |
9169 | tmp |= (1 << 27); | |
9170 | intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY); | |
dde86e2d | 9171 | |
0ff066a9 PZ |
9172 | tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY); |
9173 | tmp &= ~(0xF << 28); | |
9174 | tmp |= (4 << 28); | |
9175 | intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY); | |
dde86e2d | 9176 | |
0ff066a9 PZ |
9177 | tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY); |
9178 | tmp &= ~(0xF << 28); | |
9179 | tmp |= (4 << 28); | |
9180 | intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY); | |
f31f2d55 PZ |
9181 | } |
9182 | ||
2fa86a1f PZ |
9183 | /* Implements 3 different sequences from BSpec chapter "Display iCLK |
9184 | * Programming" based on the parameters passed: | |
9185 | * - Sequence to enable CLKOUT_DP | |
9186 | * - Sequence to enable CLKOUT_DP without spread | |
9187 | * - Sequence to enable CLKOUT_DP for FDI usage and configure PCH FDI I/O | |
9188 | */ | |
9189 | static void lpt_enable_clkout_dp(struct drm_device *dev, bool with_spread, | |
9190 | bool with_fdi) | |
f31f2d55 | 9191 | { |
fac5e23e | 9192 | struct drm_i915_private *dev_priv = to_i915(dev); |
2fa86a1f PZ |
9193 | uint32_t reg, tmp; |
9194 | ||
9195 | if (WARN(with_fdi && !with_spread, "FDI requires downspread\n")) | |
9196 | with_spread = true; | |
c2699524 | 9197 | if (WARN(HAS_PCH_LPT_LP(dev) && with_fdi, "LP PCH doesn't have FDI\n")) |
2fa86a1f | 9198 | with_fdi = false; |
f31f2d55 | 9199 | |
a580516d | 9200 | mutex_lock(&dev_priv->sb_lock); |
f31f2d55 PZ |
9201 | |
9202 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
9203 | tmp &= ~SBI_SSCCTL_DISABLE; | |
9204 | tmp |= SBI_SSCCTL_PATHALT; | |
9205 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
9206 | ||
9207 | udelay(24); | |
9208 | ||
2fa86a1f PZ |
9209 | if (with_spread) { |
9210 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
9211 | tmp &= ~SBI_SSCCTL_PATHALT; | |
9212 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
f31f2d55 | 9213 | |
2fa86a1f PZ |
9214 | if (with_fdi) { |
9215 | lpt_reset_fdi_mphy(dev_priv); | |
9216 | lpt_program_fdi_mphy(dev_priv); | |
9217 | } | |
9218 | } | |
dde86e2d | 9219 | |
c2699524 | 9220 | reg = HAS_PCH_LPT_LP(dev) ? SBI_GEN0 : SBI_DBUFF0; |
2fa86a1f PZ |
9221 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); |
9222 | tmp |= SBI_GEN0_CFG_BUFFENABLE_DISABLE; | |
9223 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); | |
c00db246 | 9224 | |
a580516d | 9225 | mutex_unlock(&dev_priv->sb_lock); |
dde86e2d PZ |
9226 | } |
9227 | ||
47701c3b PZ |
9228 | /* Sequence to disable CLKOUT_DP */ |
9229 | static void lpt_disable_clkout_dp(struct drm_device *dev) | |
9230 | { | |
fac5e23e | 9231 | struct drm_i915_private *dev_priv = to_i915(dev); |
47701c3b PZ |
9232 | uint32_t reg, tmp; |
9233 | ||
a580516d | 9234 | mutex_lock(&dev_priv->sb_lock); |
47701c3b | 9235 | |
c2699524 | 9236 | reg = HAS_PCH_LPT_LP(dev) ? SBI_GEN0 : SBI_DBUFF0; |
47701c3b PZ |
9237 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); |
9238 | tmp &= ~SBI_GEN0_CFG_BUFFENABLE_DISABLE; | |
9239 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); | |
9240 | ||
9241 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
9242 | if (!(tmp & SBI_SSCCTL_DISABLE)) { | |
9243 | if (!(tmp & SBI_SSCCTL_PATHALT)) { | |
9244 | tmp |= SBI_SSCCTL_PATHALT; | |
9245 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
9246 | udelay(32); | |
9247 | } | |
9248 | tmp |= SBI_SSCCTL_DISABLE; | |
9249 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
9250 | } | |
9251 | ||
a580516d | 9252 | mutex_unlock(&dev_priv->sb_lock); |
47701c3b PZ |
9253 | } |
9254 | ||
f7be2c21 VS |
9255 | #define BEND_IDX(steps) ((50 + (steps)) / 5) |
9256 | ||
9257 | static const uint16_t sscdivintphase[] = { | |
9258 | [BEND_IDX( 50)] = 0x3B23, | |
9259 | [BEND_IDX( 45)] = 0x3B23, | |
9260 | [BEND_IDX( 40)] = 0x3C23, | |
9261 | [BEND_IDX( 35)] = 0x3C23, | |
9262 | [BEND_IDX( 30)] = 0x3D23, | |
9263 | [BEND_IDX( 25)] = 0x3D23, | |
9264 | [BEND_IDX( 20)] = 0x3E23, | |
9265 | [BEND_IDX( 15)] = 0x3E23, | |
9266 | [BEND_IDX( 10)] = 0x3F23, | |
9267 | [BEND_IDX( 5)] = 0x3F23, | |
9268 | [BEND_IDX( 0)] = 0x0025, | |
9269 | [BEND_IDX( -5)] = 0x0025, | |
9270 | [BEND_IDX(-10)] = 0x0125, | |
9271 | [BEND_IDX(-15)] = 0x0125, | |
9272 | [BEND_IDX(-20)] = 0x0225, | |
9273 | [BEND_IDX(-25)] = 0x0225, | |
9274 | [BEND_IDX(-30)] = 0x0325, | |
9275 | [BEND_IDX(-35)] = 0x0325, | |
9276 | [BEND_IDX(-40)] = 0x0425, | |
9277 | [BEND_IDX(-45)] = 0x0425, | |
9278 | [BEND_IDX(-50)] = 0x0525, | |
9279 | }; | |
9280 | ||
9281 | /* | |
9282 | * Bend CLKOUT_DP | |
9283 | * steps -50 to 50 inclusive, in steps of 5 | |
9284 | * < 0 slow down the clock, > 0 speed up the clock, 0 == no bend (135MHz) | |
9285 | * change in clock period = -(steps / 10) * 5.787 ps | |
9286 | */ | |
9287 | static void lpt_bend_clkout_dp(struct drm_i915_private *dev_priv, int steps) | |
9288 | { | |
9289 | uint32_t tmp; | |
9290 | int idx = BEND_IDX(steps); | |
9291 | ||
9292 | if (WARN_ON(steps % 5 != 0)) | |
9293 | return; | |
9294 | ||
9295 | if (WARN_ON(idx >= ARRAY_SIZE(sscdivintphase))) | |
9296 | return; | |
9297 | ||
9298 | mutex_lock(&dev_priv->sb_lock); | |
9299 | ||
9300 | if (steps % 10 != 0) | |
9301 | tmp = 0xAAAAAAAB; | |
9302 | else | |
9303 | tmp = 0x00000000; | |
9304 | intel_sbi_write(dev_priv, SBI_SSCDITHPHASE, tmp, SBI_ICLK); | |
9305 | ||
9306 | tmp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE, SBI_ICLK); | |
9307 | tmp &= 0xffff0000; | |
9308 | tmp |= sscdivintphase[idx]; | |
9309 | intel_sbi_write(dev_priv, SBI_SSCDIVINTPHASE, tmp, SBI_ICLK); | |
9310 | ||
9311 | mutex_unlock(&dev_priv->sb_lock); | |
9312 | } | |
9313 | ||
9314 | #undef BEND_IDX | |
9315 | ||
bf8fa3d3 PZ |
9316 | static void lpt_init_pch_refclk(struct drm_device *dev) |
9317 | { | |
bf8fa3d3 PZ |
9318 | struct intel_encoder *encoder; |
9319 | bool has_vga = false; | |
9320 | ||
b2784e15 | 9321 | for_each_intel_encoder(dev, encoder) { |
bf8fa3d3 PZ |
9322 | switch (encoder->type) { |
9323 | case INTEL_OUTPUT_ANALOG: | |
9324 | has_vga = true; | |
9325 | break; | |
6847d71b PZ |
9326 | default: |
9327 | break; | |
bf8fa3d3 PZ |
9328 | } |
9329 | } | |
9330 | ||
f7be2c21 VS |
9331 | if (has_vga) { |
9332 | lpt_bend_clkout_dp(to_i915(dev), 0); | |
47701c3b | 9333 | lpt_enable_clkout_dp(dev, true, true); |
f7be2c21 | 9334 | } else { |
47701c3b | 9335 | lpt_disable_clkout_dp(dev); |
f7be2c21 | 9336 | } |
bf8fa3d3 PZ |
9337 | } |
9338 | ||
dde86e2d PZ |
9339 | /* |
9340 | * Initialize reference clocks when the driver loads | |
9341 | */ | |
9342 | void intel_init_pch_refclk(struct drm_device *dev) | |
9343 | { | |
9344 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
9345 | ironlake_init_pch_refclk(dev); | |
9346 | else if (HAS_PCH_LPT(dev)) | |
9347 | lpt_init_pch_refclk(dev); | |
9348 | } | |
9349 | ||
6ff93609 | 9350 | static void ironlake_set_pipeconf(struct drm_crtc *crtc) |
79e53945 | 9351 | { |
fac5e23e | 9352 | struct drm_i915_private *dev_priv = to_i915(crtc->dev); |
79e53945 JB |
9353 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9354 | int pipe = intel_crtc->pipe; | |
c8203565 PZ |
9355 | uint32_t val; |
9356 | ||
78114071 | 9357 | val = 0; |
c8203565 | 9358 | |
6e3c9717 | 9359 | switch (intel_crtc->config->pipe_bpp) { |
c8203565 | 9360 | case 18: |
dfd07d72 | 9361 | val |= PIPECONF_6BPC; |
c8203565 PZ |
9362 | break; |
9363 | case 24: | |
dfd07d72 | 9364 | val |= PIPECONF_8BPC; |
c8203565 PZ |
9365 | break; |
9366 | case 30: | |
dfd07d72 | 9367 | val |= PIPECONF_10BPC; |
c8203565 PZ |
9368 | break; |
9369 | case 36: | |
dfd07d72 | 9370 | val |= PIPECONF_12BPC; |
c8203565 PZ |
9371 | break; |
9372 | default: | |
cc769b62 PZ |
9373 | /* Case prevented by intel_choose_pipe_bpp_dither. */ |
9374 | BUG(); | |
c8203565 PZ |
9375 | } |
9376 | ||
6e3c9717 | 9377 | if (intel_crtc->config->dither) |
c8203565 PZ |
9378 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
9379 | ||
6e3c9717 | 9380 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
c8203565 PZ |
9381 | val |= PIPECONF_INTERLACED_ILK; |
9382 | else | |
9383 | val |= PIPECONF_PROGRESSIVE; | |
9384 | ||
6e3c9717 | 9385 | if (intel_crtc->config->limited_color_range) |
3685a8f3 | 9386 | val |= PIPECONF_COLOR_RANGE_SELECT; |
3685a8f3 | 9387 | |
c8203565 PZ |
9388 | I915_WRITE(PIPECONF(pipe), val); |
9389 | POSTING_READ(PIPECONF(pipe)); | |
9390 | } | |
9391 | ||
6ff93609 | 9392 | static void haswell_set_pipeconf(struct drm_crtc *crtc) |
ee2b0b38 | 9393 | { |
fac5e23e | 9394 | struct drm_i915_private *dev_priv = to_i915(crtc->dev); |
ee2b0b38 | 9395 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6e3c9717 | 9396 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
391bf048 | 9397 | u32 val = 0; |
ee2b0b38 | 9398 | |
391bf048 | 9399 | if (IS_HASWELL(dev_priv) && intel_crtc->config->dither) |
ee2b0b38 PZ |
9400 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
9401 | ||
6e3c9717 | 9402 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
ee2b0b38 PZ |
9403 | val |= PIPECONF_INTERLACED_ILK; |
9404 | else | |
9405 | val |= PIPECONF_PROGRESSIVE; | |
9406 | ||
702e7a56 PZ |
9407 | I915_WRITE(PIPECONF(cpu_transcoder), val); |
9408 | POSTING_READ(PIPECONF(cpu_transcoder)); | |
391bf048 JN |
9409 | } |
9410 | ||
391bf048 JN |
9411 | static void haswell_set_pipemisc(struct drm_crtc *crtc) |
9412 | { | |
fac5e23e | 9413 | struct drm_i915_private *dev_priv = to_i915(crtc->dev); |
391bf048 | 9414 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
756f85cf | 9415 | |
391bf048 JN |
9416 | if (IS_BROADWELL(dev_priv) || INTEL_INFO(dev_priv)->gen >= 9) { |
9417 | u32 val = 0; | |
756f85cf | 9418 | |
6e3c9717 | 9419 | switch (intel_crtc->config->pipe_bpp) { |
756f85cf PZ |
9420 | case 18: |
9421 | val |= PIPEMISC_DITHER_6_BPC; | |
9422 | break; | |
9423 | case 24: | |
9424 | val |= PIPEMISC_DITHER_8_BPC; | |
9425 | break; | |
9426 | case 30: | |
9427 | val |= PIPEMISC_DITHER_10_BPC; | |
9428 | break; | |
9429 | case 36: | |
9430 | val |= PIPEMISC_DITHER_12_BPC; | |
9431 | break; | |
9432 | default: | |
9433 | /* Case prevented by pipe_config_set_bpp. */ | |
9434 | BUG(); | |
9435 | } | |
9436 | ||
6e3c9717 | 9437 | if (intel_crtc->config->dither) |
756f85cf PZ |
9438 | val |= PIPEMISC_DITHER_ENABLE | PIPEMISC_DITHER_TYPE_SP; |
9439 | ||
391bf048 | 9440 | I915_WRITE(PIPEMISC(intel_crtc->pipe), val); |
756f85cf | 9441 | } |
ee2b0b38 PZ |
9442 | } |
9443 | ||
d4b1931c PZ |
9444 | int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp) |
9445 | { | |
9446 | /* | |
9447 | * Account for spread spectrum to avoid | |
9448 | * oversubscribing the link. Max center spread | |
9449 | * is 2.5%; use 5% for safety's sake. | |
9450 | */ | |
9451 | u32 bps = target_clock * bpp * 21 / 20; | |
619d4d04 | 9452 | return DIV_ROUND_UP(bps, link_bw * 8); |
d4b1931c PZ |
9453 | } |
9454 | ||
7429e9d4 | 9455 | static bool ironlake_needs_fb_cb_tune(struct dpll *dpll, int factor) |
6cf86a5e | 9456 | { |
7429e9d4 | 9457 | return i9xx_dpll_compute_m(dpll) < factor * dpll->n; |
f48d8f23 PZ |
9458 | } |
9459 | ||
b75ca6f6 ACO |
9460 | static void ironlake_compute_dpll(struct intel_crtc *intel_crtc, |
9461 | struct intel_crtc_state *crtc_state, | |
9e2c8475 | 9462 | struct dpll *reduced_clock) |
79e53945 | 9463 | { |
de13a2e3 | 9464 | struct drm_crtc *crtc = &intel_crtc->base; |
79e53945 | 9465 | struct drm_device *dev = crtc->dev; |
fac5e23e | 9466 | struct drm_i915_private *dev_priv = to_i915(dev); |
b75ca6f6 | 9467 | u32 dpll, fp, fp2; |
3d6e9ee0 | 9468 | int factor; |
79e53945 | 9469 | |
c1858123 | 9470 | /* Enable autotuning of the PLL clock (if permissible) */ |
8febb297 | 9471 | factor = 21; |
3d6e9ee0 | 9472 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
8febb297 | 9473 | if ((intel_panel_use_ssc(dev_priv) && |
e91e941b | 9474 | dev_priv->vbt.lvds_ssc_freq == 100000) || |
f0b44056 | 9475 | (HAS_PCH_IBX(dev) && intel_is_dual_link_lvds(dev))) |
8febb297 | 9476 | factor = 25; |
190f68c5 | 9477 | } else if (crtc_state->sdvo_tv_clock) |
8febb297 | 9478 | factor = 20; |
c1858123 | 9479 | |
b75ca6f6 ACO |
9480 | fp = i9xx_dpll_compute_fp(&crtc_state->dpll); |
9481 | ||
190f68c5 | 9482 | if (ironlake_needs_fb_cb_tune(&crtc_state->dpll, factor)) |
b75ca6f6 ACO |
9483 | fp |= FP_CB_TUNE; |
9484 | ||
9485 | if (reduced_clock) { | |
9486 | fp2 = i9xx_dpll_compute_fp(reduced_clock); | |
2c07245f | 9487 | |
b75ca6f6 ACO |
9488 | if (reduced_clock->m < factor * reduced_clock->n) |
9489 | fp2 |= FP_CB_TUNE; | |
9490 | } else { | |
9491 | fp2 = fp; | |
9492 | } | |
9a7c7890 | 9493 | |
5eddb70b | 9494 | dpll = 0; |
2c07245f | 9495 | |
3d6e9ee0 | 9496 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) |
a07d6787 EA |
9497 | dpll |= DPLLB_MODE_LVDS; |
9498 | else | |
9499 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
198a037f | 9500 | |
190f68c5 | 9501 | dpll |= (crtc_state->pixel_multiplier - 1) |
ef1b460d | 9502 | << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT; |
198a037f | 9503 | |
3d6e9ee0 VS |
9504 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_SDVO) || |
9505 | intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) | |
4a33e48d | 9506 | dpll |= DPLL_SDVO_HIGH_SPEED; |
3d6e9ee0 | 9507 | |
37a5650b | 9508 | if (intel_crtc_has_dp_encoder(crtc_state)) |
4a33e48d | 9509 | dpll |= DPLL_SDVO_HIGH_SPEED; |
79e53945 | 9510 | |
a07d6787 | 9511 | /* compute bitmask from p1 value */ |
190f68c5 | 9512 | dpll |= (1 << (crtc_state->dpll.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
a07d6787 | 9513 | /* also FPA1 */ |
190f68c5 | 9514 | dpll |= (1 << (crtc_state->dpll.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; |
a07d6787 | 9515 | |
190f68c5 | 9516 | switch (crtc_state->dpll.p2) { |
a07d6787 EA |
9517 | case 5: |
9518 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
9519 | break; | |
9520 | case 7: | |
9521 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
9522 | break; | |
9523 | case 10: | |
9524 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
9525 | break; | |
9526 | case 14: | |
9527 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
9528 | break; | |
79e53945 JB |
9529 | } |
9530 | ||
3d6e9ee0 VS |
9531 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS) && |
9532 | intel_panel_use_ssc(dev_priv)) | |
43565a06 | 9533 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
79e53945 JB |
9534 | else |
9535 | dpll |= PLL_REF_INPUT_DREFCLK; | |
9536 | ||
b75ca6f6 ACO |
9537 | dpll |= DPLL_VCO_ENABLE; |
9538 | ||
9539 | crtc_state->dpll_hw_state.dpll = dpll; | |
9540 | crtc_state->dpll_hw_state.fp0 = fp; | |
9541 | crtc_state->dpll_hw_state.fp1 = fp2; | |
de13a2e3 PZ |
9542 | } |
9543 | ||
190f68c5 ACO |
9544 | static int ironlake_crtc_compute_clock(struct intel_crtc *crtc, |
9545 | struct intel_crtc_state *crtc_state) | |
de13a2e3 | 9546 | { |
997c030c | 9547 | struct drm_device *dev = crtc->base.dev; |
fac5e23e | 9548 | struct drm_i915_private *dev_priv = to_i915(dev); |
9e2c8475 | 9549 | struct dpll reduced_clock; |
7ed9f894 | 9550 | bool has_reduced_clock = false; |
e2b78267 | 9551 | struct intel_shared_dpll *pll; |
1b6f4958 | 9552 | const struct intel_limit *limit; |
997c030c | 9553 | int refclk = 120000; |
de13a2e3 | 9554 | |
dd3cd74a ACO |
9555 | memset(&crtc_state->dpll_hw_state, 0, |
9556 | sizeof(crtc_state->dpll_hw_state)); | |
9557 | ||
ded220e2 ACO |
9558 | crtc->lowfreq_avail = false; |
9559 | ||
9560 | /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */ | |
9561 | if (!crtc_state->has_pch_encoder) | |
9562 | return 0; | |
79e53945 | 9563 | |
2d84d2b3 | 9564 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
997c030c ACO |
9565 | if (intel_panel_use_ssc(dev_priv)) { |
9566 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", | |
9567 | dev_priv->vbt.lvds_ssc_freq); | |
9568 | refclk = dev_priv->vbt.lvds_ssc_freq; | |
9569 | } | |
9570 | ||
9571 | if (intel_is_dual_link_lvds(dev)) { | |
9572 | if (refclk == 100000) | |
9573 | limit = &intel_limits_ironlake_dual_lvds_100m; | |
9574 | else | |
9575 | limit = &intel_limits_ironlake_dual_lvds; | |
9576 | } else { | |
9577 | if (refclk == 100000) | |
9578 | limit = &intel_limits_ironlake_single_lvds_100m; | |
9579 | else | |
9580 | limit = &intel_limits_ironlake_single_lvds; | |
9581 | } | |
9582 | } else { | |
9583 | limit = &intel_limits_ironlake_dac; | |
9584 | } | |
9585 | ||
364ee29d | 9586 | if (!crtc_state->clock_set && |
997c030c ACO |
9587 | !g4x_find_best_dpll(limit, crtc_state, crtc_state->port_clock, |
9588 | refclk, NULL, &crtc_state->dpll)) { | |
364ee29d ACO |
9589 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
9590 | return -EINVAL; | |
f47709a9 | 9591 | } |
79e53945 | 9592 | |
b75ca6f6 ACO |
9593 | ironlake_compute_dpll(crtc, crtc_state, |
9594 | has_reduced_clock ? &reduced_clock : NULL); | |
66e985c0 | 9595 | |
ded220e2 ACO |
9596 | pll = intel_get_shared_dpll(crtc, crtc_state, NULL); |
9597 | if (pll == NULL) { | |
9598 | DRM_DEBUG_DRIVER("failed to find PLL for pipe %c\n", | |
9599 | pipe_name(crtc->pipe)); | |
9600 | return -EINVAL; | |
3fb37703 | 9601 | } |
79e53945 | 9602 | |
2d84d2b3 | 9603 | if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS) && |
ded220e2 | 9604 | has_reduced_clock) |
c7653199 | 9605 | crtc->lowfreq_avail = true; |
e2b78267 | 9606 | |
c8f7a0db | 9607 | return 0; |
79e53945 JB |
9608 | } |
9609 | ||
eb14cb74 VS |
9610 | static void intel_pch_transcoder_get_m_n(struct intel_crtc *crtc, |
9611 | struct intel_link_m_n *m_n) | |
9612 | { | |
9613 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 9614 | struct drm_i915_private *dev_priv = to_i915(dev); |
eb14cb74 VS |
9615 | enum pipe pipe = crtc->pipe; |
9616 | ||
9617 | m_n->link_m = I915_READ(PCH_TRANS_LINK_M1(pipe)); | |
9618 | m_n->link_n = I915_READ(PCH_TRANS_LINK_N1(pipe)); | |
9619 | m_n->gmch_m = I915_READ(PCH_TRANS_DATA_M1(pipe)) | |
9620 | & ~TU_SIZE_MASK; | |
9621 | m_n->gmch_n = I915_READ(PCH_TRANS_DATA_N1(pipe)); | |
9622 | m_n->tu = ((I915_READ(PCH_TRANS_DATA_M1(pipe)) | |
9623 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
9624 | } | |
9625 | ||
9626 | static void intel_cpu_transcoder_get_m_n(struct intel_crtc *crtc, | |
9627 | enum transcoder transcoder, | |
b95af8be VK |
9628 | struct intel_link_m_n *m_n, |
9629 | struct intel_link_m_n *m2_n2) | |
72419203 DV |
9630 | { |
9631 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 9632 | struct drm_i915_private *dev_priv = to_i915(dev); |
eb14cb74 | 9633 | enum pipe pipe = crtc->pipe; |
72419203 | 9634 | |
eb14cb74 VS |
9635 | if (INTEL_INFO(dev)->gen >= 5) { |
9636 | m_n->link_m = I915_READ(PIPE_LINK_M1(transcoder)); | |
9637 | m_n->link_n = I915_READ(PIPE_LINK_N1(transcoder)); | |
9638 | m_n->gmch_m = I915_READ(PIPE_DATA_M1(transcoder)) | |
9639 | & ~TU_SIZE_MASK; | |
9640 | m_n->gmch_n = I915_READ(PIPE_DATA_N1(transcoder)); | |
9641 | m_n->tu = ((I915_READ(PIPE_DATA_M1(transcoder)) | |
9642 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
b95af8be VK |
9643 | /* Read M2_N2 registers only for gen < 8 (M2_N2 available for |
9644 | * gen < 8) and if DRRS is supported (to make sure the | |
9645 | * registers are not unnecessarily read). | |
9646 | */ | |
9647 | if (m2_n2 && INTEL_INFO(dev)->gen < 8 && | |
6e3c9717 | 9648 | crtc->config->has_drrs) { |
b95af8be VK |
9649 | m2_n2->link_m = I915_READ(PIPE_LINK_M2(transcoder)); |
9650 | m2_n2->link_n = I915_READ(PIPE_LINK_N2(transcoder)); | |
9651 | m2_n2->gmch_m = I915_READ(PIPE_DATA_M2(transcoder)) | |
9652 | & ~TU_SIZE_MASK; | |
9653 | m2_n2->gmch_n = I915_READ(PIPE_DATA_N2(transcoder)); | |
9654 | m2_n2->tu = ((I915_READ(PIPE_DATA_M2(transcoder)) | |
9655 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
9656 | } | |
eb14cb74 VS |
9657 | } else { |
9658 | m_n->link_m = I915_READ(PIPE_LINK_M_G4X(pipe)); | |
9659 | m_n->link_n = I915_READ(PIPE_LINK_N_G4X(pipe)); | |
9660 | m_n->gmch_m = I915_READ(PIPE_DATA_M_G4X(pipe)) | |
9661 | & ~TU_SIZE_MASK; | |
9662 | m_n->gmch_n = I915_READ(PIPE_DATA_N_G4X(pipe)); | |
9663 | m_n->tu = ((I915_READ(PIPE_DATA_M_G4X(pipe)) | |
9664 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
9665 | } | |
9666 | } | |
9667 | ||
9668 | void intel_dp_get_m_n(struct intel_crtc *crtc, | |
5cec258b | 9669 | struct intel_crtc_state *pipe_config) |
eb14cb74 | 9670 | { |
681a8504 | 9671 | if (pipe_config->has_pch_encoder) |
eb14cb74 VS |
9672 | intel_pch_transcoder_get_m_n(crtc, &pipe_config->dp_m_n); |
9673 | else | |
9674 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, | |
b95af8be VK |
9675 | &pipe_config->dp_m_n, |
9676 | &pipe_config->dp_m2_n2); | |
eb14cb74 | 9677 | } |
72419203 | 9678 | |
eb14cb74 | 9679 | static void ironlake_get_fdi_m_n_config(struct intel_crtc *crtc, |
5cec258b | 9680 | struct intel_crtc_state *pipe_config) |
eb14cb74 VS |
9681 | { |
9682 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, | |
b95af8be | 9683 | &pipe_config->fdi_m_n, NULL); |
72419203 DV |
9684 | } |
9685 | ||
bd2e244f | 9686 | static void skylake_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 9687 | struct intel_crtc_state *pipe_config) |
bd2e244f JB |
9688 | { |
9689 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 9690 | struct drm_i915_private *dev_priv = to_i915(dev); |
a1b2278e CK |
9691 | struct intel_crtc_scaler_state *scaler_state = &pipe_config->scaler_state; |
9692 | uint32_t ps_ctrl = 0; | |
9693 | int id = -1; | |
9694 | int i; | |
bd2e244f | 9695 | |
a1b2278e CK |
9696 | /* find scaler attached to this pipe */ |
9697 | for (i = 0; i < crtc->num_scalers; i++) { | |
9698 | ps_ctrl = I915_READ(SKL_PS_CTRL(crtc->pipe, i)); | |
9699 | if (ps_ctrl & PS_SCALER_EN && !(ps_ctrl & PS_PLANE_SEL_MASK)) { | |
9700 | id = i; | |
9701 | pipe_config->pch_pfit.enabled = true; | |
9702 | pipe_config->pch_pfit.pos = I915_READ(SKL_PS_WIN_POS(crtc->pipe, i)); | |
9703 | pipe_config->pch_pfit.size = I915_READ(SKL_PS_WIN_SZ(crtc->pipe, i)); | |
9704 | break; | |
9705 | } | |
9706 | } | |
bd2e244f | 9707 | |
a1b2278e CK |
9708 | scaler_state->scaler_id = id; |
9709 | if (id >= 0) { | |
9710 | scaler_state->scaler_users |= (1 << SKL_CRTC_INDEX); | |
9711 | } else { | |
9712 | scaler_state->scaler_users &= ~(1 << SKL_CRTC_INDEX); | |
bd2e244f JB |
9713 | } |
9714 | } | |
9715 | ||
5724dbd1 DL |
9716 | static void |
9717 | skylake_get_initial_plane_config(struct intel_crtc *crtc, | |
9718 | struct intel_initial_plane_config *plane_config) | |
bc8d7dff DL |
9719 | { |
9720 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 9721 | struct drm_i915_private *dev_priv = to_i915(dev); |
40f46283 | 9722 | u32 val, base, offset, stride_mult, tiling; |
bc8d7dff DL |
9723 | int pipe = crtc->pipe; |
9724 | int fourcc, pixel_format; | |
6761dd31 | 9725 | unsigned int aligned_height; |
bc8d7dff | 9726 | struct drm_framebuffer *fb; |
1b842c89 | 9727 | struct intel_framebuffer *intel_fb; |
bc8d7dff | 9728 | |
d9806c9f | 9729 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 9730 | if (!intel_fb) { |
bc8d7dff DL |
9731 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
9732 | return; | |
9733 | } | |
9734 | ||
1b842c89 DL |
9735 | fb = &intel_fb->base; |
9736 | ||
bc8d7dff | 9737 | val = I915_READ(PLANE_CTL(pipe, 0)); |
42a7b088 DL |
9738 | if (!(val & PLANE_CTL_ENABLE)) |
9739 | goto error; | |
9740 | ||
bc8d7dff DL |
9741 | pixel_format = val & PLANE_CTL_FORMAT_MASK; |
9742 | fourcc = skl_format_to_fourcc(pixel_format, | |
9743 | val & PLANE_CTL_ORDER_RGBX, | |
9744 | val & PLANE_CTL_ALPHA_MASK); | |
9745 | fb->pixel_format = fourcc; | |
9746 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
9747 | ||
40f46283 DL |
9748 | tiling = val & PLANE_CTL_TILED_MASK; |
9749 | switch (tiling) { | |
9750 | case PLANE_CTL_TILED_LINEAR: | |
9751 | fb->modifier[0] = DRM_FORMAT_MOD_NONE; | |
9752 | break; | |
9753 | case PLANE_CTL_TILED_X: | |
9754 | plane_config->tiling = I915_TILING_X; | |
9755 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; | |
9756 | break; | |
9757 | case PLANE_CTL_TILED_Y: | |
9758 | fb->modifier[0] = I915_FORMAT_MOD_Y_TILED; | |
9759 | break; | |
9760 | case PLANE_CTL_TILED_YF: | |
9761 | fb->modifier[0] = I915_FORMAT_MOD_Yf_TILED; | |
9762 | break; | |
9763 | default: | |
9764 | MISSING_CASE(tiling); | |
9765 | goto error; | |
9766 | } | |
9767 | ||
bc8d7dff DL |
9768 | base = I915_READ(PLANE_SURF(pipe, 0)) & 0xfffff000; |
9769 | plane_config->base = base; | |
9770 | ||
9771 | offset = I915_READ(PLANE_OFFSET(pipe, 0)); | |
9772 | ||
9773 | val = I915_READ(PLANE_SIZE(pipe, 0)); | |
9774 | fb->height = ((val >> 16) & 0xfff) + 1; | |
9775 | fb->width = ((val >> 0) & 0x1fff) + 1; | |
9776 | ||
9777 | val = I915_READ(PLANE_STRIDE(pipe, 0)); | |
7b49f948 | 9778 | stride_mult = intel_fb_stride_alignment(dev_priv, fb->modifier[0], |
40f46283 | 9779 | fb->pixel_format); |
bc8d7dff DL |
9780 | fb->pitches[0] = (val & 0x3ff) * stride_mult; |
9781 | ||
9782 | aligned_height = intel_fb_align_height(dev, fb->height, | |
091df6cb DV |
9783 | fb->pixel_format, |
9784 | fb->modifier[0]); | |
bc8d7dff | 9785 | |
f37b5c2b | 9786 | plane_config->size = fb->pitches[0] * aligned_height; |
bc8d7dff DL |
9787 | |
9788 | DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", | |
9789 | pipe_name(pipe), fb->width, fb->height, | |
9790 | fb->bits_per_pixel, base, fb->pitches[0], | |
9791 | plane_config->size); | |
9792 | ||
2d14030b | 9793 | plane_config->fb = intel_fb; |
bc8d7dff DL |
9794 | return; |
9795 | ||
9796 | error: | |
d1a3a036 | 9797 | kfree(intel_fb); |
bc8d7dff DL |
9798 | } |
9799 | ||
2fa2fe9a | 9800 | static void ironlake_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 9801 | struct intel_crtc_state *pipe_config) |
2fa2fe9a DV |
9802 | { |
9803 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 9804 | struct drm_i915_private *dev_priv = to_i915(dev); |
2fa2fe9a DV |
9805 | uint32_t tmp; |
9806 | ||
9807 | tmp = I915_READ(PF_CTL(crtc->pipe)); | |
9808 | ||
9809 | if (tmp & PF_ENABLE) { | |
fd4daa9c | 9810 | pipe_config->pch_pfit.enabled = true; |
2fa2fe9a DV |
9811 | pipe_config->pch_pfit.pos = I915_READ(PF_WIN_POS(crtc->pipe)); |
9812 | pipe_config->pch_pfit.size = I915_READ(PF_WIN_SZ(crtc->pipe)); | |
cb8b2a30 DV |
9813 | |
9814 | /* We currently do not free assignements of panel fitters on | |
9815 | * ivb/hsw (since we don't use the higher upscaling modes which | |
9816 | * differentiates them) so just WARN about this case for now. */ | |
9817 | if (IS_GEN7(dev)) { | |
9818 | WARN_ON((tmp & PF_PIPE_SEL_MASK_IVB) != | |
9819 | PF_PIPE_SEL_IVB(crtc->pipe)); | |
9820 | } | |
2fa2fe9a | 9821 | } |
79e53945 JB |
9822 | } |
9823 | ||
5724dbd1 DL |
9824 | static void |
9825 | ironlake_get_initial_plane_config(struct intel_crtc *crtc, | |
9826 | struct intel_initial_plane_config *plane_config) | |
4c6baa59 JB |
9827 | { |
9828 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 9829 | struct drm_i915_private *dev_priv = to_i915(dev); |
4c6baa59 | 9830 | u32 val, base, offset; |
aeee5a49 | 9831 | int pipe = crtc->pipe; |
4c6baa59 | 9832 | int fourcc, pixel_format; |
6761dd31 | 9833 | unsigned int aligned_height; |
b113d5ee | 9834 | struct drm_framebuffer *fb; |
1b842c89 | 9835 | struct intel_framebuffer *intel_fb; |
4c6baa59 | 9836 | |
42a7b088 DL |
9837 | val = I915_READ(DSPCNTR(pipe)); |
9838 | if (!(val & DISPLAY_PLANE_ENABLE)) | |
9839 | return; | |
9840 | ||
d9806c9f | 9841 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 9842 | if (!intel_fb) { |
4c6baa59 JB |
9843 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
9844 | return; | |
9845 | } | |
9846 | ||
1b842c89 DL |
9847 | fb = &intel_fb->base; |
9848 | ||
18c5247e DV |
9849 | if (INTEL_INFO(dev)->gen >= 4) { |
9850 | if (val & DISPPLANE_TILED) { | |
49af449b | 9851 | plane_config->tiling = I915_TILING_X; |
18c5247e DV |
9852 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; |
9853 | } | |
9854 | } | |
4c6baa59 JB |
9855 | |
9856 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; | |
b35d63fa | 9857 | fourcc = i9xx_format_to_fourcc(pixel_format); |
b113d5ee DL |
9858 | fb->pixel_format = fourcc; |
9859 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
4c6baa59 | 9860 | |
aeee5a49 | 9861 | base = I915_READ(DSPSURF(pipe)) & 0xfffff000; |
4c6baa59 | 9862 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
aeee5a49 | 9863 | offset = I915_READ(DSPOFFSET(pipe)); |
4c6baa59 | 9864 | } else { |
49af449b | 9865 | if (plane_config->tiling) |
aeee5a49 | 9866 | offset = I915_READ(DSPTILEOFF(pipe)); |
4c6baa59 | 9867 | else |
aeee5a49 | 9868 | offset = I915_READ(DSPLINOFF(pipe)); |
4c6baa59 JB |
9869 | } |
9870 | plane_config->base = base; | |
9871 | ||
9872 | val = I915_READ(PIPESRC(pipe)); | |
b113d5ee DL |
9873 | fb->width = ((val >> 16) & 0xfff) + 1; |
9874 | fb->height = ((val >> 0) & 0xfff) + 1; | |
4c6baa59 JB |
9875 | |
9876 | val = I915_READ(DSPSTRIDE(pipe)); | |
b113d5ee | 9877 | fb->pitches[0] = val & 0xffffffc0; |
4c6baa59 | 9878 | |
b113d5ee | 9879 | aligned_height = intel_fb_align_height(dev, fb->height, |
091df6cb DV |
9880 | fb->pixel_format, |
9881 | fb->modifier[0]); | |
4c6baa59 | 9882 | |
f37b5c2b | 9883 | plane_config->size = fb->pitches[0] * aligned_height; |
4c6baa59 | 9884 | |
2844a921 DL |
9885 | DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
9886 | pipe_name(pipe), fb->width, fb->height, | |
9887 | fb->bits_per_pixel, base, fb->pitches[0], | |
9888 | plane_config->size); | |
b113d5ee | 9889 | |
2d14030b | 9890 | plane_config->fb = intel_fb; |
4c6baa59 JB |
9891 | } |
9892 | ||
0e8ffe1b | 9893 | static bool ironlake_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 9894 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
9895 | { |
9896 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 9897 | struct drm_i915_private *dev_priv = to_i915(dev); |
1729050e | 9898 | enum intel_display_power_domain power_domain; |
0e8ffe1b | 9899 | uint32_t tmp; |
1729050e | 9900 | bool ret; |
0e8ffe1b | 9901 | |
1729050e ID |
9902 | power_domain = POWER_DOMAIN_PIPE(crtc->pipe); |
9903 | if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) | |
930e8c9e PZ |
9904 | return false; |
9905 | ||
e143a21c | 9906 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
8106ddbd | 9907 | pipe_config->shared_dpll = NULL; |
eccb140b | 9908 | |
1729050e | 9909 | ret = false; |
0e8ffe1b DV |
9910 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
9911 | if (!(tmp & PIPECONF_ENABLE)) | |
1729050e | 9912 | goto out; |
0e8ffe1b | 9913 | |
42571aef VS |
9914 | switch (tmp & PIPECONF_BPC_MASK) { |
9915 | case PIPECONF_6BPC: | |
9916 | pipe_config->pipe_bpp = 18; | |
9917 | break; | |
9918 | case PIPECONF_8BPC: | |
9919 | pipe_config->pipe_bpp = 24; | |
9920 | break; | |
9921 | case PIPECONF_10BPC: | |
9922 | pipe_config->pipe_bpp = 30; | |
9923 | break; | |
9924 | case PIPECONF_12BPC: | |
9925 | pipe_config->pipe_bpp = 36; | |
9926 | break; | |
9927 | default: | |
9928 | break; | |
9929 | } | |
9930 | ||
b5a9fa09 DV |
9931 | if (tmp & PIPECONF_COLOR_RANGE_SELECT) |
9932 | pipe_config->limited_color_range = true; | |
9933 | ||
ab9412ba | 9934 | if (I915_READ(PCH_TRANSCONF(crtc->pipe)) & TRANS_ENABLE) { |
66e985c0 | 9935 | struct intel_shared_dpll *pll; |
8106ddbd | 9936 | enum intel_dpll_id pll_id; |
66e985c0 | 9937 | |
88adfff1 DV |
9938 | pipe_config->has_pch_encoder = true; |
9939 | ||
627eb5a3 DV |
9940 | tmp = I915_READ(FDI_RX_CTL(crtc->pipe)); |
9941 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
9942 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
72419203 DV |
9943 | |
9944 | ironlake_get_fdi_m_n_config(crtc, pipe_config); | |
6c49f241 | 9945 | |
2d1fe073 | 9946 | if (HAS_PCH_IBX(dev_priv)) { |
d9a7bc67 ID |
9947 | /* |
9948 | * The pipe->pch transcoder and pch transcoder->pll | |
9949 | * mapping is fixed. | |
9950 | */ | |
8106ddbd | 9951 | pll_id = (enum intel_dpll_id) crtc->pipe; |
c0d43d62 DV |
9952 | } else { |
9953 | tmp = I915_READ(PCH_DPLL_SEL); | |
9954 | if (tmp & TRANS_DPLLB_SEL(crtc->pipe)) | |
8106ddbd | 9955 | pll_id = DPLL_ID_PCH_PLL_B; |
c0d43d62 | 9956 | else |
8106ddbd | 9957 | pll_id= DPLL_ID_PCH_PLL_A; |
c0d43d62 | 9958 | } |
66e985c0 | 9959 | |
8106ddbd ACO |
9960 | pipe_config->shared_dpll = |
9961 | intel_get_shared_dpll_by_id(dev_priv, pll_id); | |
9962 | pll = pipe_config->shared_dpll; | |
66e985c0 | 9963 | |
2edd6443 ACO |
9964 | WARN_ON(!pll->funcs.get_hw_state(dev_priv, pll, |
9965 | &pipe_config->dpll_hw_state)); | |
c93f54cf DV |
9966 | |
9967 | tmp = pipe_config->dpll_hw_state.dpll; | |
9968 | pipe_config->pixel_multiplier = | |
9969 | ((tmp & PLL_REF_SDVO_HDMI_MULTIPLIER_MASK) | |
9970 | >> PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT) + 1; | |
18442d08 VS |
9971 | |
9972 | ironlake_pch_clock_get(crtc, pipe_config); | |
6c49f241 DV |
9973 | } else { |
9974 | pipe_config->pixel_multiplier = 1; | |
627eb5a3 DV |
9975 | } |
9976 | ||
1bd1bd80 | 9977 | intel_get_pipe_timings(crtc, pipe_config); |
bc58be60 | 9978 | intel_get_pipe_src_size(crtc, pipe_config); |
1bd1bd80 | 9979 | |
2fa2fe9a DV |
9980 | ironlake_get_pfit_config(crtc, pipe_config); |
9981 | ||
1729050e ID |
9982 | ret = true; |
9983 | ||
9984 | out: | |
9985 | intel_display_power_put(dev_priv, power_domain); | |
9986 | ||
9987 | return ret; | |
0e8ffe1b DV |
9988 | } |
9989 | ||
be256dc7 PZ |
9990 | static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv) |
9991 | { | |
91c8a326 | 9992 | struct drm_device *dev = &dev_priv->drm; |
be256dc7 | 9993 | struct intel_crtc *crtc; |
be256dc7 | 9994 | |
d3fcc808 | 9995 | for_each_intel_crtc(dev, crtc) |
e2c719b7 | 9996 | I915_STATE_WARN(crtc->active, "CRTC for pipe %c enabled\n", |
be256dc7 PZ |
9997 | pipe_name(crtc->pipe)); |
9998 | ||
e2c719b7 RC |
9999 | I915_STATE_WARN(I915_READ(HSW_PWR_WELL_DRIVER), "Power well on\n"); |
10000 | I915_STATE_WARN(I915_READ(SPLL_CTL) & SPLL_PLL_ENABLE, "SPLL enabled\n"); | |
01403de3 VS |
10001 | I915_STATE_WARN(I915_READ(WRPLL_CTL(0)) & WRPLL_PLL_ENABLE, "WRPLL1 enabled\n"); |
10002 | I915_STATE_WARN(I915_READ(WRPLL_CTL(1)) & WRPLL_PLL_ENABLE, "WRPLL2 enabled\n"); | |
44cb734c | 10003 | I915_STATE_WARN(I915_READ(PP_STATUS(0)) & PP_ON, "Panel power on\n"); |
e2c719b7 | 10004 | I915_STATE_WARN(I915_READ(BLC_PWM_CPU_CTL2) & BLM_PWM_ENABLE, |
be256dc7 | 10005 | "CPU PWM1 enabled\n"); |
c5107b87 | 10006 | if (IS_HASWELL(dev)) |
e2c719b7 | 10007 | I915_STATE_WARN(I915_READ(HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE, |
c5107b87 | 10008 | "CPU PWM2 enabled\n"); |
e2c719b7 | 10009 | I915_STATE_WARN(I915_READ(BLC_PWM_PCH_CTL1) & BLM_PCH_PWM_ENABLE, |
be256dc7 | 10010 | "PCH PWM1 enabled\n"); |
e2c719b7 | 10011 | I915_STATE_WARN(I915_READ(UTIL_PIN_CTL) & UTIL_PIN_ENABLE, |
be256dc7 | 10012 | "Utility pin enabled\n"); |
e2c719b7 | 10013 | I915_STATE_WARN(I915_READ(PCH_GTC_CTL) & PCH_GTC_ENABLE, "PCH GTC enabled\n"); |
be256dc7 | 10014 | |
9926ada1 PZ |
10015 | /* |
10016 | * In theory we can still leave IRQs enabled, as long as only the HPD | |
10017 | * interrupts remain enabled. We used to check for that, but since it's | |
10018 | * gen-specific and since we only disable LCPLL after we fully disable | |
10019 | * the interrupts, the check below should be enough. | |
10020 | */ | |
e2c719b7 | 10021 | I915_STATE_WARN(intel_irqs_enabled(dev_priv), "IRQs enabled\n"); |
be256dc7 PZ |
10022 | } |
10023 | ||
9ccd5aeb PZ |
10024 | static uint32_t hsw_read_dcomp(struct drm_i915_private *dev_priv) |
10025 | { | |
91c8a326 | 10026 | struct drm_device *dev = &dev_priv->drm; |
9ccd5aeb PZ |
10027 | |
10028 | if (IS_HASWELL(dev)) | |
10029 | return I915_READ(D_COMP_HSW); | |
10030 | else | |
10031 | return I915_READ(D_COMP_BDW); | |
10032 | } | |
10033 | ||
3c4c9b81 PZ |
10034 | static void hsw_write_dcomp(struct drm_i915_private *dev_priv, uint32_t val) |
10035 | { | |
91c8a326 | 10036 | struct drm_device *dev = &dev_priv->drm; |
3c4c9b81 PZ |
10037 | |
10038 | if (IS_HASWELL(dev)) { | |
10039 | mutex_lock(&dev_priv->rps.hw_lock); | |
10040 | if (sandybridge_pcode_write(dev_priv, GEN6_PCODE_WRITE_D_COMP, | |
10041 | val)) | |
79cf219a | 10042 | DRM_DEBUG_KMS("Failed to write to D_COMP\n"); |
3c4c9b81 PZ |
10043 | mutex_unlock(&dev_priv->rps.hw_lock); |
10044 | } else { | |
9ccd5aeb PZ |
10045 | I915_WRITE(D_COMP_BDW, val); |
10046 | POSTING_READ(D_COMP_BDW); | |
3c4c9b81 | 10047 | } |
be256dc7 PZ |
10048 | } |
10049 | ||
10050 | /* | |
10051 | * This function implements pieces of two sequences from BSpec: | |
10052 | * - Sequence for display software to disable LCPLL | |
10053 | * - Sequence for display software to allow package C8+ | |
10054 | * The steps implemented here are just the steps that actually touch the LCPLL | |
10055 | * register. Callers should take care of disabling all the display engine | |
10056 | * functions, doing the mode unset, fixing interrupts, etc. | |
10057 | */ | |
6ff58d53 PZ |
10058 | static void hsw_disable_lcpll(struct drm_i915_private *dev_priv, |
10059 | bool switch_to_fclk, bool allow_power_down) | |
be256dc7 PZ |
10060 | { |
10061 | uint32_t val; | |
10062 | ||
10063 | assert_can_disable_lcpll(dev_priv); | |
10064 | ||
10065 | val = I915_READ(LCPLL_CTL); | |
10066 | ||
10067 | if (switch_to_fclk) { | |
10068 | val |= LCPLL_CD_SOURCE_FCLK; | |
10069 | I915_WRITE(LCPLL_CTL, val); | |
10070 | ||
f53dd63f ID |
10071 | if (wait_for_us(I915_READ(LCPLL_CTL) & |
10072 | LCPLL_CD_SOURCE_FCLK_DONE, 1)) | |
be256dc7 PZ |
10073 | DRM_ERROR("Switching to FCLK failed\n"); |
10074 | ||
10075 | val = I915_READ(LCPLL_CTL); | |
10076 | } | |
10077 | ||
10078 | val |= LCPLL_PLL_DISABLE; | |
10079 | I915_WRITE(LCPLL_CTL, val); | |
10080 | POSTING_READ(LCPLL_CTL); | |
10081 | ||
24d8441d | 10082 | if (intel_wait_for_register(dev_priv, LCPLL_CTL, LCPLL_PLL_LOCK, 0, 1)) |
be256dc7 PZ |
10083 | DRM_ERROR("LCPLL still locked\n"); |
10084 | ||
9ccd5aeb | 10085 | val = hsw_read_dcomp(dev_priv); |
be256dc7 | 10086 | val |= D_COMP_COMP_DISABLE; |
3c4c9b81 | 10087 | hsw_write_dcomp(dev_priv, val); |
be256dc7 PZ |
10088 | ndelay(100); |
10089 | ||
9ccd5aeb PZ |
10090 | if (wait_for((hsw_read_dcomp(dev_priv) & D_COMP_RCOMP_IN_PROGRESS) == 0, |
10091 | 1)) | |
be256dc7 PZ |
10092 | DRM_ERROR("D_COMP RCOMP still in progress\n"); |
10093 | ||
10094 | if (allow_power_down) { | |
10095 | val = I915_READ(LCPLL_CTL); | |
10096 | val |= LCPLL_POWER_DOWN_ALLOW; | |
10097 | I915_WRITE(LCPLL_CTL, val); | |
10098 | POSTING_READ(LCPLL_CTL); | |
10099 | } | |
10100 | } | |
10101 | ||
10102 | /* | |
10103 | * Fully restores LCPLL, disallowing power down and switching back to LCPLL | |
10104 | * source. | |
10105 | */ | |
6ff58d53 | 10106 | static void hsw_restore_lcpll(struct drm_i915_private *dev_priv) |
be256dc7 PZ |
10107 | { |
10108 | uint32_t val; | |
10109 | ||
10110 | val = I915_READ(LCPLL_CTL); | |
10111 | ||
10112 | if ((val & (LCPLL_PLL_LOCK | LCPLL_PLL_DISABLE | LCPLL_CD_SOURCE_FCLK | | |
10113 | LCPLL_POWER_DOWN_ALLOW)) == LCPLL_PLL_LOCK) | |
10114 | return; | |
10115 | ||
a8a8bd54 PZ |
10116 | /* |
10117 | * Make sure we're not on PC8 state before disabling PC8, otherwise | |
10118 | * we'll hang the machine. To prevent PC8 state, just enable force_wake. | |
a8a8bd54 | 10119 | */ |
59bad947 | 10120 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); |
215733fa | 10121 | |
be256dc7 PZ |
10122 | if (val & LCPLL_POWER_DOWN_ALLOW) { |
10123 | val &= ~LCPLL_POWER_DOWN_ALLOW; | |
10124 | I915_WRITE(LCPLL_CTL, val); | |
35d8f2eb | 10125 | POSTING_READ(LCPLL_CTL); |
be256dc7 PZ |
10126 | } |
10127 | ||
9ccd5aeb | 10128 | val = hsw_read_dcomp(dev_priv); |
be256dc7 PZ |
10129 | val |= D_COMP_COMP_FORCE; |
10130 | val &= ~D_COMP_COMP_DISABLE; | |
3c4c9b81 | 10131 | hsw_write_dcomp(dev_priv, val); |
be256dc7 PZ |
10132 | |
10133 | val = I915_READ(LCPLL_CTL); | |
10134 | val &= ~LCPLL_PLL_DISABLE; | |
10135 | I915_WRITE(LCPLL_CTL, val); | |
10136 | ||
93220c08 CW |
10137 | if (intel_wait_for_register(dev_priv, |
10138 | LCPLL_CTL, LCPLL_PLL_LOCK, LCPLL_PLL_LOCK, | |
10139 | 5)) | |
be256dc7 PZ |
10140 | DRM_ERROR("LCPLL not locked yet\n"); |
10141 | ||
10142 | if (val & LCPLL_CD_SOURCE_FCLK) { | |
10143 | val = I915_READ(LCPLL_CTL); | |
10144 | val &= ~LCPLL_CD_SOURCE_FCLK; | |
10145 | I915_WRITE(LCPLL_CTL, val); | |
10146 | ||
f53dd63f ID |
10147 | if (wait_for_us((I915_READ(LCPLL_CTL) & |
10148 | LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1)) | |
be256dc7 PZ |
10149 | DRM_ERROR("Switching back to LCPLL failed\n"); |
10150 | } | |
215733fa | 10151 | |
59bad947 | 10152 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); |
91c8a326 | 10153 | intel_update_cdclk(&dev_priv->drm); |
be256dc7 PZ |
10154 | } |
10155 | ||
765dab67 PZ |
10156 | /* |
10157 | * Package states C8 and deeper are really deep PC states that can only be | |
10158 | * reached when all the devices on the system allow it, so even if the graphics | |
10159 | * device allows PC8+, it doesn't mean the system will actually get to these | |
10160 | * states. Our driver only allows PC8+ when going into runtime PM. | |
10161 | * | |
10162 | * The requirements for PC8+ are that all the outputs are disabled, the power | |
10163 | * well is disabled and most interrupts are disabled, and these are also | |
10164 | * requirements for runtime PM. When these conditions are met, we manually do | |
10165 | * the other conditions: disable the interrupts, clocks and switch LCPLL refclk | |
10166 | * to Fclk. If we're in PC8+ and we get an non-hotplug interrupt, we can hard | |
10167 | * hang the machine. | |
10168 | * | |
10169 | * When we really reach PC8 or deeper states (not just when we allow it) we lose | |
10170 | * the state of some registers, so when we come back from PC8+ we need to | |
10171 | * restore this state. We don't get into PC8+ if we're not in RC6, so we don't | |
10172 | * need to take care of the registers kept by RC6. Notice that this happens even | |
10173 | * if we don't put the device in PCI D3 state (which is what currently happens | |
10174 | * because of the runtime PM support). | |
10175 | * | |
10176 | * For more, read "Display Sequences for Package C8" on the hardware | |
10177 | * documentation. | |
10178 | */ | |
a14cb6fc | 10179 | void hsw_enable_pc8(struct drm_i915_private *dev_priv) |
c67a470b | 10180 | { |
91c8a326 | 10181 | struct drm_device *dev = &dev_priv->drm; |
c67a470b PZ |
10182 | uint32_t val; |
10183 | ||
c67a470b PZ |
10184 | DRM_DEBUG_KMS("Enabling package C8+\n"); |
10185 | ||
c2699524 | 10186 | if (HAS_PCH_LPT_LP(dev)) { |
c67a470b PZ |
10187 | val = I915_READ(SOUTH_DSPCLK_GATE_D); |
10188 | val &= ~PCH_LP_PARTITION_LEVEL_DISABLE; | |
10189 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); | |
10190 | } | |
10191 | ||
10192 | lpt_disable_clkout_dp(dev); | |
c67a470b PZ |
10193 | hsw_disable_lcpll(dev_priv, true, true); |
10194 | } | |
10195 | ||
a14cb6fc | 10196 | void hsw_disable_pc8(struct drm_i915_private *dev_priv) |
c67a470b | 10197 | { |
91c8a326 | 10198 | struct drm_device *dev = &dev_priv->drm; |
c67a470b PZ |
10199 | uint32_t val; |
10200 | ||
c67a470b PZ |
10201 | DRM_DEBUG_KMS("Disabling package C8+\n"); |
10202 | ||
10203 | hsw_restore_lcpll(dev_priv); | |
c67a470b PZ |
10204 | lpt_init_pch_refclk(dev); |
10205 | ||
c2699524 | 10206 | if (HAS_PCH_LPT_LP(dev)) { |
c67a470b PZ |
10207 | val = I915_READ(SOUTH_DSPCLK_GATE_D); |
10208 | val |= PCH_LP_PARTITION_LEVEL_DISABLE; | |
10209 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); | |
10210 | } | |
c67a470b PZ |
10211 | } |
10212 | ||
324513c0 | 10213 | static void bxt_modeset_commit_cdclk(struct drm_atomic_state *old_state) |
f8437dd1 | 10214 | { |
a821fc46 | 10215 | struct drm_device *dev = old_state->dev; |
1a617b77 ML |
10216 | struct intel_atomic_state *old_intel_state = |
10217 | to_intel_atomic_state(old_state); | |
10218 | unsigned int req_cdclk = old_intel_state->dev_cdclk; | |
f8437dd1 | 10219 | |
324513c0 | 10220 | bxt_set_cdclk(to_i915(dev), req_cdclk); |
f8437dd1 VK |
10221 | } |
10222 | ||
b432e5cf | 10223 | /* compute the max rate for new configuration */ |
27c329ed | 10224 | static int ilk_max_pixel_rate(struct drm_atomic_state *state) |
b432e5cf | 10225 | { |
565602d7 | 10226 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); |
fac5e23e | 10227 | struct drm_i915_private *dev_priv = to_i915(state->dev); |
565602d7 ML |
10228 | struct drm_crtc *crtc; |
10229 | struct drm_crtc_state *cstate; | |
27c329ed | 10230 | struct intel_crtc_state *crtc_state; |
565602d7 ML |
10231 | unsigned max_pixel_rate = 0, i; |
10232 | enum pipe pipe; | |
b432e5cf | 10233 | |
565602d7 ML |
10234 | memcpy(intel_state->min_pixclk, dev_priv->min_pixclk, |
10235 | sizeof(intel_state->min_pixclk)); | |
27c329ed | 10236 | |
565602d7 ML |
10237 | for_each_crtc_in_state(state, crtc, cstate, i) { |
10238 | int pixel_rate; | |
27c329ed | 10239 | |
565602d7 ML |
10240 | crtc_state = to_intel_crtc_state(cstate); |
10241 | if (!crtc_state->base.enable) { | |
10242 | intel_state->min_pixclk[i] = 0; | |
b432e5cf | 10243 | continue; |
565602d7 | 10244 | } |
b432e5cf | 10245 | |
27c329ed | 10246 | pixel_rate = ilk_pipe_pixel_rate(crtc_state); |
b432e5cf VS |
10247 | |
10248 | /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */ | |
565602d7 | 10249 | if (IS_BROADWELL(dev_priv) && crtc_state->ips_enabled) |
b432e5cf VS |
10250 | pixel_rate = DIV_ROUND_UP(pixel_rate * 100, 95); |
10251 | ||
565602d7 | 10252 | intel_state->min_pixclk[i] = pixel_rate; |
b432e5cf VS |
10253 | } |
10254 | ||
565602d7 ML |
10255 | for_each_pipe(dev_priv, pipe) |
10256 | max_pixel_rate = max(intel_state->min_pixclk[pipe], max_pixel_rate); | |
10257 | ||
b432e5cf VS |
10258 | return max_pixel_rate; |
10259 | } | |
10260 | ||
10261 | static void broadwell_set_cdclk(struct drm_device *dev, int cdclk) | |
10262 | { | |
fac5e23e | 10263 | struct drm_i915_private *dev_priv = to_i915(dev); |
b432e5cf VS |
10264 | uint32_t val, data; |
10265 | int ret; | |
10266 | ||
10267 | if (WARN((I915_READ(LCPLL_CTL) & | |
10268 | (LCPLL_PLL_DISABLE | LCPLL_PLL_LOCK | | |
10269 | LCPLL_CD_CLOCK_DISABLE | LCPLL_ROOT_CD_CLOCK_DISABLE | | |
10270 | LCPLL_CD2X_CLOCK_DISABLE | LCPLL_POWER_DOWN_ALLOW | | |
10271 | LCPLL_CD_SOURCE_FCLK)) != LCPLL_PLL_LOCK, | |
10272 | "trying to change cdclk frequency with cdclk not enabled\n")) | |
10273 | return; | |
10274 | ||
10275 | mutex_lock(&dev_priv->rps.hw_lock); | |
10276 | ret = sandybridge_pcode_write(dev_priv, | |
10277 | BDW_PCODE_DISPLAY_FREQ_CHANGE_REQ, 0x0); | |
10278 | mutex_unlock(&dev_priv->rps.hw_lock); | |
10279 | if (ret) { | |
10280 | DRM_ERROR("failed to inform pcode about cdclk change\n"); | |
10281 | return; | |
10282 | } | |
10283 | ||
10284 | val = I915_READ(LCPLL_CTL); | |
10285 | val |= LCPLL_CD_SOURCE_FCLK; | |
10286 | I915_WRITE(LCPLL_CTL, val); | |
10287 | ||
5ba00178 TU |
10288 | if (wait_for_us(I915_READ(LCPLL_CTL) & |
10289 | LCPLL_CD_SOURCE_FCLK_DONE, 1)) | |
b432e5cf VS |
10290 | DRM_ERROR("Switching to FCLK failed\n"); |
10291 | ||
10292 | val = I915_READ(LCPLL_CTL); | |
10293 | val &= ~LCPLL_CLK_FREQ_MASK; | |
10294 | ||
10295 | switch (cdclk) { | |
10296 | case 450000: | |
10297 | val |= LCPLL_CLK_FREQ_450; | |
10298 | data = 0; | |
10299 | break; | |
10300 | case 540000: | |
10301 | val |= LCPLL_CLK_FREQ_54O_BDW; | |
10302 | data = 1; | |
10303 | break; | |
10304 | case 337500: | |
10305 | val |= LCPLL_CLK_FREQ_337_5_BDW; | |
10306 | data = 2; | |
10307 | break; | |
10308 | case 675000: | |
10309 | val |= LCPLL_CLK_FREQ_675_BDW; | |
10310 | data = 3; | |
10311 | break; | |
10312 | default: | |
10313 | WARN(1, "invalid cdclk frequency\n"); | |
10314 | return; | |
10315 | } | |
10316 | ||
10317 | I915_WRITE(LCPLL_CTL, val); | |
10318 | ||
10319 | val = I915_READ(LCPLL_CTL); | |
10320 | val &= ~LCPLL_CD_SOURCE_FCLK; | |
10321 | I915_WRITE(LCPLL_CTL, val); | |
10322 | ||
5ba00178 TU |
10323 | if (wait_for_us((I915_READ(LCPLL_CTL) & |
10324 | LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1)) | |
b432e5cf VS |
10325 | DRM_ERROR("Switching back to LCPLL failed\n"); |
10326 | ||
10327 | mutex_lock(&dev_priv->rps.hw_lock); | |
10328 | sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ, data); | |
10329 | mutex_unlock(&dev_priv->rps.hw_lock); | |
10330 | ||
7f1052a8 VS |
10331 | I915_WRITE(CDCLK_FREQ, DIV_ROUND_CLOSEST(cdclk, 1000) - 1); |
10332 | ||
b432e5cf VS |
10333 | intel_update_cdclk(dev); |
10334 | ||
10335 | WARN(cdclk != dev_priv->cdclk_freq, | |
10336 | "cdclk requested %d kHz but got %d kHz\n", | |
10337 | cdclk, dev_priv->cdclk_freq); | |
10338 | } | |
10339 | ||
587c7914 VS |
10340 | static int broadwell_calc_cdclk(int max_pixclk) |
10341 | { | |
10342 | if (max_pixclk > 540000) | |
10343 | return 675000; | |
10344 | else if (max_pixclk > 450000) | |
10345 | return 540000; | |
10346 | else if (max_pixclk > 337500) | |
10347 | return 450000; | |
10348 | else | |
10349 | return 337500; | |
10350 | } | |
10351 | ||
27c329ed | 10352 | static int broadwell_modeset_calc_cdclk(struct drm_atomic_state *state) |
b432e5cf | 10353 | { |
27c329ed | 10354 | struct drm_i915_private *dev_priv = to_i915(state->dev); |
1a617b77 | 10355 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); |
27c329ed | 10356 | int max_pixclk = ilk_max_pixel_rate(state); |
b432e5cf VS |
10357 | int cdclk; |
10358 | ||
10359 | /* | |
10360 | * FIXME should also account for plane ratio | |
10361 | * once 64bpp pixel formats are supported. | |
10362 | */ | |
587c7914 | 10363 | cdclk = broadwell_calc_cdclk(max_pixclk); |
b432e5cf | 10364 | |
b432e5cf | 10365 | if (cdclk > dev_priv->max_cdclk_freq) { |
63ba534e ML |
10366 | DRM_DEBUG_KMS("requested cdclk (%d kHz) exceeds max (%d kHz)\n", |
10367 | cdclk, dev_priv->max_cdclk_freq); | |
10368 | return -EINVAL; | |
b432e5cf VS |
10369 | } |
10370 | ||
1a617b77 ML |
10371 | intel_state->cdclk = intel_state->dev_cdclk = cdclk; |
10372 | if (!intel_state->active_crtcs) | |
587c7914 | 10373 | intel_state->dev_cdclk = broadwell_calc_cdclk(0); |
b432e5cf VS |
10374 | |
10375 | return 0; | |
10376 | } | |
10377 | ||
27c329ed | 10378 | static void broadwell_modeset_commit_cdclk(struct drm_atomic_state *old_state) |
b432e5cf | 10379 | { |
27c329ed | 10380 | struct drm_device *dev = old_state->dev; |
1a617b77 ML |
10381 | struct intel_atomic_state *old_intel_state = |
10382 | to_intel_atomic_state(old_state); | |
10383 | unsigned req_cdclk = old_intel_state->dev_cdclk; | |
b432e5cf | 10384 | |
27c329ed | 10385 | broadwell_set_cdclk(dev, req_cdclk); |
b432e5cf VS |
10386 | } |
10387 | ||
c89e39f3 CT |
10388 | static int skl_modeset_calc_cdclk(struct drm_atomic_state *state) |
10389 | { | |
10390 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); | |
10391 | struct drm_i915_private *dev_priv = to_i915(state->dev); | |
10392 | const int max_pixclk = ilk_max_pixel_rate(state); | |
a8ca4934 | 10393 | int vco = intel_state->cdclk_pll_vco; |
c89e39f3 CT |
10394 | int cdclk; |
10395 | ||
10396 | /* | |
10397 | * FIXME should also account for plane ratio | |
10398 | * once 64bpp pixel formats are supported. | |
10399 | */ | |
a8ca4934 | 10400 | cdclk = skl_calc_cdclk(max_pixclk, vco); |
c89e39f3 CT |
10401 | |
10402 | /* | |
10403 | * FIXME move the cdclk caclulation to | |
10404 | * compute_config() so we can fail gracegully. | |
10405 | */ | |
10406 | if (cdclk > dev_priv->max_cdclk_freq) { | |
10407 | DRM_ERROR("requested cdclk (%d kHz) exceeds max (%d kHz)\n", | |
10408 | cdclk, dev_priv->max_cdclk_freq); | |
10409 | cdclk = dev_priv->max_cdclk_freq; | |
10410 | } | |
10411 | ||
10412 | intel_state->cdclk = intel_state->dev_cdclk = cdclk; | |
10413 | if (!intel_state->active_crtcs) | |
a8ca4934 | 10414 | intel_state->dev_cdclk = skl_calc_cdclk(0, vco); |
c89e39f3 CT |
10415 | |
10416 | return 0; | |
10417 | } | |
10418 | ||
10419 | static void skl_modeset_commit_cdclk(struct drm_atomic_state *old_state) | |
10420 | { | |
1cd593e0 VS |
10421 | struct drm_i915_private *dev_priv = to_i915(old_state->dev); |
10422 | struct intel_atomic_state *intel_state = to_intel_atomic_state(old_state); | |
10423 | unsigned int req_cdclk = intel_state->dev_cdclk; | |
10424 | unsigned int req_vco = intel_state->cdclk_pll_vco; | |
c89e39f3 | 10425 | |
1cd593e0 | 10426 | skl_set_cdclk(dev_priv, req_cdclk, req_vco); |
c89e39f3 CT |
10427 | } |
10428 | ||
190f68c5 ACO |
10429 | static int haswell_crtc_compute_clock(struct intel_crtc *crtc, |
10430 | struct intel_crtc_state *crtc_state) | |
09b4ddf9 | 10431 | { |
d7edc4e5 | 10432 | if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI)) { |
af3997b5 MK |
10433 | if (!intel_ddi_pll_select(crtc, crtc_state)) |
10434 | return -EINVAL; | |
10435 | } | |
716c2e55 | 10436 | |
c7653199 | 10437 | crtc->lowfreq_avail = false; |
644cef34 | 10438 | |
c8f7a0db | 10439 | return 0; |
79e53945 JB |
10440 | } |
10441 | ||
3760b59c S |
10442 | static void bxt_get_ddi_pll(struct drm_i915_private *dev_priv, |
10443 | enum port port, | |
10444 | struct intel_crtc_state *pipe_config) | |
10445 | { | |
8106ddbd ACO |
10446 | enum intel_dpll_id id; |
10447 | ||
3760b59c S |
10448 | switch (port) { |
10449 | case PORT_A: | |
08250c4b | 10450 | id = DPLL_ID_SKL_DPLL0; |
3760b59c S |
10451 | break; |
10452 | case PORT_B: | |
08250c4b | 10453 | id = DPLL_ID_SKL_DPLL1; |
3760b59c S |
10454 | break; |
10455 | case PORT_C: | |
08250c4b | 10456 | id = DPLL_ID_SKL_DPLL2; |
3760b59c S |
10457 | break; |
10458 | default: | |
10459 | DRM_ERROR("Incorrect port type\n"); | |
8106ddbd | 10460 | return; |
3760b59c | 10461 | } |
8106ddbd ACO |
10462 | |
10463 | pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id); | |
3760b59c S |
10464 | } |
10465 | ||
96b7dfb7 S |
10466 | static void skylake_get_ddi_pll(struct drm_i915_private *dev_priv, |
10467 | enum port port, | |
5cec258b | 10468 | struct intel_crtc_state *pipe_config) |
96b7dfb7 | 10469 | { |
8106ddbd | 10470 | enum intel_dpll_id id; |
a3c988ea | 10471 | u32 temp; |
96b7dfb7 S |
10472 | |
10473 | temp = I915_READ(DPLL_CTRL2) & DPLL_CTRL2_DDI_CLK_SEL_MASK(port); | |
c856052a | 10474 | id = temp >> (port * 3 + 1); |
96b7dfb7 | 10475 | |
c856052a | 10476 | if (WARN_ON(id < SKL_DPLL0 || id > SKL_DPLL3)) |
8106ddbd | 10477 | return; |
8106ddbd ACO |
10478 | |
10479 | pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id); | |
96b7dfb7 S |
10480 | } |
10481 | ||
7d2c8175 DL |
10482 | static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv, |
10483 | enum port port, | |
5cec258b | 10484 | struct intel_crtc_state *pipe_config) |
7d2c8175 | 10485 | { |
8106ddbd | 10486 | enum intel_dpll_id id; |
c856052a | 10487 | uint32_t ddi_pll_sel = I915_READ(PORT_CLK_SEL(port)); |
8106ddbd | 10488 | |
c856052a | 10489 | switch (ddi_pll_sel) { |
7d2c8175 | 10490 | case PORT_CLK_SEL_WRPLL1: |
8106ddbd | 10491 | id = DPLL_ID_WRPLL1; |
7d2c8175 DL |
10492 | break; |
10493 | case PORT_CLK_SEL_WRPLL2: | |
8106ddbd | 10494 | id = DPLL_ID_WRPLL2; |
7d2c8175 | 10495 | break; |
00490c22 | 10496 | case PORT_CLK_SEL_SPLL: |
8106ddbd | 10497 | id = DPLL_ID_SPLL; |
79bd23da | 10498 | break; |
9d16da65 ACO |
10499 | case PORT_CLK_SEL_LCPLL_810: |
10500 | id = DPLL_ID_LCPLL_810; | |
10501 | break; | |
10502 | case PORT_CLK_SEL_LCPLL_1350: | |
10503 | id = DPLL_ID_LCPLL_1350; | |
10504 | break; | |
10505 | case PORT_CLK_SEL_LCPLL_2700: | |
10506 | id = DPLL_ID_LCPLL_2700; | |
10507 | break; | |
8106ddbd | 10508 | default: |
c856052a | 10509 | MISSING_CASE(ddi_pll_sel); |
8106ddbd ACO |
10510 | /* fall through */ |
10511 | case PORT_CLK_SEL_NONE: | |
8106ddbd | 10512 | return; |
7d2c8175 | 10513 | } |
8106ddbd ACO |
10514 | |
10515 | pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id); | |
7d2c8175 DL |
10516 | } |
10517 | ||
cf30429e JN |
10518 | static bool hsw_get_transcoder_state(struct intel_crtc *crtc, |
10519 | struct intel_crtc_state *pipe_config, | |
10520 | unsigned long *power_domain_mask) | |
10521 | { | |
10522 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 10523 | struct drm_i915_private *dev_priv = to_i915(dev); |
cf30429e JN |
10524 | enum intel_display_power_domain power_domain; |
10525 | u32 tmp; | |
10526 | ||
d9a7bc67 ID |
10527 | /* |
10528 | * The pipe->transcoder mapping is fixed with the exception of the eDP | |
10529 | * transcoder handled below. | |
10530 | */ | |
cf30429e JN |
10531 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
10532 | ||
10533 | /* | |
10534 | * XXX: Do intel_display_power_get_if_enabled before reading this (for | |
10535 | * consistency and less surprising code; it's in always on power). | |
10536 | */ | |
10537 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); | |
10538 | if (tmp & TRANS_DDI_FUNC_ENABLE) { | |
10539 | enum pipe trans_edp_pipe; | |
10540 | switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { | |
10541 | default: | |
10542 | WARN(1, "unknown pipe linked to edp transcoder\n"); | |
10543 | case TRANS_DDI_EDP_INPUT_A_ONOFF: | |
10544 | case TRANS_DDI_EDP_INPUT_A_ON: | |
10545 | trans_edp_pipe = PIPE_A; | |
10546 | break; | |
10547 | case TRANS_DDI_EDP_INPUT_B_ONOFF: | |
10548 | trans_edp_pipe = PIPE_B; | |
10549 | break; | |
10550 | case TRANS_DDI_EDP_INPUT_C_ONOFF: | |
10551 | trans_edp_pipe = PIPE_C; | |
10552 | break; | |
10553 | } | |
10554 | ||
10555 | if (trans_edp_pipe == crtc->pipe) | |
10556 | pipe_config->cpu_transcoder = TRANSCODER_EDP; | |
10557 | } | |
10558 | ||
10559 | power_domain = POWER_DOMAIN_TRANSCODER(pipe_config->cpu_transcoder); | |
10560 | if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) | |
10561 | return false; | |
10562 | *power_domain_mask |= BIT(power_domain); | |
10563 | ||
10564 | tmp = I915_READ(PIPECONF(pipe_config->cpu_transcoder)); | |
10565 | ||
10566 | return tmp & PIPECONF_ENABLE; | |
10567 | } | |
10568 | ||
4d1de975 JN |
10569 | static bool bxt_get_dsi_transcoder_state(struct intel_crtc *crtc, |
10570 | struct intel_crtc_state *pipe_config, | |
10571 | unsigned long *power_domain_mask) | |
10572 | { | |
10573 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 10574 | struct drm_i915_private *dev_priv = to_i915(dev); |
4d1de975 JN |
10575 | enum intel_display_power_domain power_domain; |
10576 | enum port port; | |
10577 | enum transcoder cpu_transcoder; | |
10578 | u32 tmp; | |
10579 | ||
4d1de975 JN |
10580 | for_each_port_masked(port, BIT(PORT_A) | BIT(PORT_C)) { |
10581 | if (port == PORT_A) | |
10582 | cpu_transcoder = TRANSCODER_DSI_A; | |
10583 | else | |
10584 | cpu_transcoder = TRANSCODER_DSI_C; | |
10585 | ||
10586 | power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder); | |
10587 | if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) | |
10588 | continue; | |
10589 | *power_domain_mask |= BIT(power_domain); | |
10590 | ||
db18b6a6 ID |
10591 | /* |
10592 | * The PLL needs to be enabled with a valid divider | |
10593 | * configuration, otherwise accessing DSI registers will hang | |
10594 | * the machine. See BSpec North Display Engine | |
10595 | * registers/MIPI[BXT]. We can break out here early, since we | |
10596 | * need the same DSI PLL to be enabled for both DSI ports. | |
10597 | */ | |
10598 | if (!intel_dsi_pll_is_enabled(dev_priv)) | |
10599 | break; | |
10600 | ||
4d1de975 JN |
10601 | /* XXX: this works for video mode only */ |
10602 | tmp = I915_READ(BXT_MIPI_PORT_CTRL(port)); | |
10603 | if (!(tmp & DPI_ENABLE)) | |
10604 | continue; | |
10605 | ||
10606 | tmp = I915_READ(MIPI_CTRL(port)); | |
10607 | if ((tmp & BXT_PIPE_SELECT_MASK) != BXT_PIPE_SELECT(crtc->pipe)) | |
10608 | continue; | |
10609 | ||
10610 | pipe_config->cpu_transcoder = cpu_transcoder; | |
4d1de975 JN |
10611 | break; |
10612 | } | |
10613 | ||
d7edc4e5 | 10614 | return transcoder_is_dsi(pipe_config->cpu_transcoder); |
4d1de975 JN |
10615 | } |
10616 | ||
26804afd | 10617 | static void haswell_get_ddi_port_state(struct intel_crtc *crtc, |
5cec258b | 10618 | struct intel_crtc_state *pipe_config) |
26804afd DV |
10619 | { |
10620 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 10621 | struct drm_i915_private *dev_priv = to_i915(dev); |
d452c5b6 | 10622 | struct intel_shared_dpll *pll; |
26804afd DV |
10623 | enum port port; |
10624 | uint32_t tmp; | |
10625 | ||
10626 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder)); | |
10627 | ||
10628 | port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT; | |
10629 | ||
ef11bdb3 | 10630 | if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) |
96b7dfb7 | 10631 | skylake_get_ddi_pll(dev_priv, port, pipe_config); |
3760b59c S |
10632 | else if (IS_BROXTON(dev)) |
10633 | bxt_get_ddi_pll(dev_priv, port, pipe_config); | |
96b7dfb7 S |
10634 | else |
10635 | haswell_get_ddi_pll(dev_priv, port, pipe_config); | |
9cd86933 | 10636 | |
8106ddbd ACO |
10637 | pll = pipe_config->shared_dpll; |
10638 | if (pll) { | |
2edd6443 ACO |
10639 | WARN_ON(!pll->funcs.get_hw_state(dev_priv, pll, |
10640 | &pipe_config->dpll_hw_state)); | |
d452c5b6 DV |
10641 | } |
10642 | ||
26804afd DV |
10643 | /* |
10644 | * Haswell has only FDI/PCH transcoder A. It is which is connected to | |
10645 | * DDI E. So just check whether this pipe is wired to DDI E and whether | |
10646 | * the PCH transcoder is on. | |
10647 | */ | |
ca370455 DL |
10648 | if (INTEL_INFO(dev)->gen < 9 && |
10649 | (port == PORT_E) && I915_READ(LPT_TRANSCONF) & TRANS_ENABLE) { | |
26804afd DV |
10650 | pipe_config->has_pch_encoder = true; |
10651 | ||
10652 | tmp = I915_READ(FDI_RX_CTL(PIPE_A)); | |
10653 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
10654 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
10655 | ||
10656 | ironlake_get_fdi_m_n_config(crtc, pipe_config); | |
10657 | } | |
10658 | } | |
10659 | ||
0e8ffe1b | 10660 | static bool haswell_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 10661 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
10662 | { |
10663 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 10664 | struct drm_i915_private *dev_priv = to_i915(dev); |
1729050e ID |
10665 | enum intel_display_power_domain power_domain; |
10666 | unsigned long power_domain_mask; | |
cf30429e | 10667 | bool active; |
0e8ffe1b | 10668 | |
1729050e ID |
10669 | power_domain = POWER_DOMAIN_PIPE(crtc->pipe); |
10670 | if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) | |
b5482bd0 | 10671 | return false; |
1729050e ID |
10672 | power_domain_mask = BIT(power_domain); |
10673 | ||
8106ddbd | 10674 | pipe_config->shared_dpll = NULL; |
c0d43d62 | 10675 | |
cf30429e | 10676 | active = hsw_get_transcoder_state(crtc, pipe_config, &power_domain_mask); |
eccb140b | 10677 | |
d7edc4e5 VS |
10678 | if (IS_BROXTON(dev_priv) && |
10679 | bxt_get_dsi_transcoder_state(crtc, pipe_config, &power_domain_mask)) { | |
10680 | WARN_ON(active); | |
10681 | active = true; | |
4d1de975 JN |
10682 | } |
10683 | ||
cf30429e | 10684 | if (!active) |
1729050e | 10685 | goto out; |
0e8ffe1b | 10686 | |
d7edc4e5 | 10687 | if (!transcoder_is_dsi(pipe_config->cpu_transcoder)) { |
4d1de975 JN |
10688 | haswell_get_ddi_port_state(crtc, pipe_config); |
10689 | intel_get_pipe_timings(crtc, pipe_config); | |
10690 | } | |
627eb5a3 | 10691 | |
bc58be60 | 10692 | intel_get_pipe_src_size(crtc, pipe_config); |
1bd1bd80 | 10693 | |
05dc698c LL |
10694 | pipe_config->gamma_mode = |
10695 | I915_READ(GAMMA_MODE(crtc->pipe)) & GAMMA_MODE_MODE_MASK; | |
10696 | ||
a1b2278e CK |
10697 | if (INTEL_INFO(dev)->gen >= 9) { |
10698 | skl_init_scalers(dev, crtc, pipe_config); | |
10699 | } | |
10700 | ||
af99ceda CK |
10701 | if (INTEL_INFO(dev)->gen >= 9) { |
10702 | pipe_config->scaler_state.scaler_id = -1; | |
10703 | pipe_config->scaler_state.scaler_users &= ~(1 << SKL_CRTC_INDEX); | |
10704 | } | |
10705 | ||
1729050e ID |
10706 | power_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe); |
10707 | if (intel_display_power_get_if_enabled(dev_priv, power_domain)) { | |
10708 | power_domain_mask |= BIT(power_domain); | |
1c132b44 | 10709 | if (INTEL_INFO(dev)->gen >= 9) |
bd2e244f | 10710 | skylake_get_pfit_config(crtc, pipe_config); |
ff6d9f55 | 10711 | else |
1c132b44 | 10712 | ironlake_get_pfit_config(crtc, pipe_config); |
bd2e244f | 10713 | } |
88adfff1 | 10714 | |
e59150dc JB |
10715 | if (IS_HASWELL(dev)) |
10716 | pipe_config->ips_enabled = hsw_crtc_supports_ips(crtc) && | |
10717 | (I915_READ(IPS_CTL) & IPS_ENABLE); | |
42db64ef | 10718 | |
4d1de975 JN |
10719 | if (pipe_config->cpu_transcoder != TRANSCODER_EDP && |
10720 | !transcoder_is_dsi(pipe_config->cpu_transcoder)) { | |
ebb69c95 CT |
10721 | pipe_config->pixel_multiplier = |
10722 | I915_READ(PIPE_MULT(pipe_config->cpu_transcoder)) + 1; | |
10723 | } else { | |
10724 | pipe_config->pixel_multiplier = 1; | |
10725 | } | |
6c49f241 | 10726 | |
1729050e ID |
10727 | out: |
10728 | for_each_power_domain(power_domain, power_domain_mask) | |
10729 | intel_display_power_put(dev_priv, power_domain); | |
10730 | ||
cf30429e | 10731 | return active; |
0e8ffe1b DV |
10732 | } |
10733 | ||
55a08b3f ML |
10734 | static void i845_update_cursor(struct drm_crtc *crtc, u32 base, |
10735 | const struct intel_plane_state *plane_state) | |
560b85bb CW |
10736 | { |
10737 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 10738 | struct drm_i915_private *dev_priv = to_i915(dev); |
560b85bb | 10739 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
dc41c154 | 10740 | uint32_t cntl = 0, size = 0; |
560b85bb | 10741 | |
936e71e3 | 10742 | if (plane_state && plane_state->base.visible) { |
55a08b3f ML |
10743 | unsigned int width = plane_state->base.crtc_w; |
10744 | unsigned int height = plane_state->base.crtc_h; | |
dc41c154 VS |
10745 | unsigned int stride = roundup_pow_of_two(width) * 4; |
10746 | ||
10747 | switch (stride) { | |
10748 | default: | |
10749 | WARN_ONCE(1, "Invalid cursor width/stride, width=%u, stride=%u\n", | |
10750 | width, stride); | |
10751 | stride = 256; | |
10752 | /* fallthrough */ | |
10753 | case 256: | |
10754 | case 512: | |
10755 | case 1024: | |
10756 | case 2048: | |
10757 | break; | |
4b0e333e CW |
10758 | } |
10759 | ||
dc41c154 VS |
10760 | cntl |= CURSOR_ENABLE | |
10761 | CURSOR_GAMMA_ENABLE | | |
10762 | CURSOR_FORMAT_ARGB | | |
10763 | CURSOR_STRIDE(stride); | |
10764 | ||
10765 | size = (height << 12) | width; | |
4b0e333e | 10766 | } |
560b85bb | 10767 | |
dc41c154 VS |
10768 | if (intel_crtc->cursor_cntl != 0 && |
10769 | (intel_crtc->cursor_base != base || | |
10770 | intel_crtc->cursor_size != size || | |
10771 | intel_crtc->cursor_cntl != cntl)) { | |
10772 | /* On these chipsets we can only modify the base/size/stride | |
10773 | * whilst the cursor is disabled. | |
10774 | */ | |
0b87c24e VS |
10775 | I915_WRITE(CURCNTR(PIPE_A), 0); |
10776 | POSTING_READ(CURCNTR(PIPE_A)); | |
dc41c154 | 10777 | intel_crtc->cursor_cntl = 0; |
4b0e333e | 10778 | } |
560b85bb | 10779 | |
99d1f387 | 10780 | if (intel_crtc->cursor_base != base) { |
0b87c24e | 10781 | I915_WRITE(CURBASE(PIPE_A), base); |
99d1f387 VS |
10782 | intel_crtc->cursor_base = base; |
10783 | } | |
4726e0b0 | 10784 | |
dc41c154 VS |
10785 | if (intel_crtc->cursor_size != size) { |
10786 | I915_WRITE(CURSIZE, size); | |
10787 | intel_crtc->cursor_size = size; | |
4b0e333e | 10788 | } |
560b85bb | 10789 | |
4b0e333e | 10790 | if (intel_crtc->cursor_cntl != cntl) { |
0b87c24e VS |
10791 | I915_WRITE(CURCNTR(PIPE_A), cntl); |
10792 | POSTING_READ(CURCNTR(PIPE_A)); | |
4b0e333e | 10793 | intel_crtc->cursor_cntl = cntl; |
560b85bb | 10794 | } |
560b85bb CW |
10795 | } |
10796 | ||
55a08b3f ML |
10797 | static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base, |
10798 | const struct intel_plane_state *plane_state) | |
65a21cd6 JB |
10799 | { |
10800 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 10801 | struct drm_i915_private *dev_priv = to_i915(dev); |
65a21cd6 | 10802 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
62e0fb88 | 10803 | const struct skl_wm_values *wm = &dev_priv->wm.skl_results; |
65a21cd6 | 10804 | int pipe = intel_crtc->pipe; |
663f3122 | 10805 | uint32_t cntl = 0; |
4b0e333e | 10806 | |
62e0fb88 L |
10807 | if (INTEL_GEN(dev_priv) >= 9 && wm->dirty_pipes & drm_crtc_mask(crtc)) |
10808 | skl_write_cursor_wm(intel_crtc, wm); | |
10809 | ||
936e71e3 | 10810 | if (plane_state && plane_state->base.visible) { |
4b0e333e | 10811 | cntl = MCURSOR_GAMMA_ENABLE; |
55a08b3f | 10812 | switch (plane_state->base.crtc_w) { |
4726e0b0 SK |
10813 | case 64: |
10814 | cntl |= CURSOR_MODE_64_ARGB_AX; | |
10815 | break; | |
10816 | case 128: | |
10817 | cntl |= CURSOR_MODE_128_ARGB_AX; | |
10818 | break; | |
10819 | case 256: | |
10820 | cntl |= CURSOR_MODE_256_ARGB_AX; | |
10821 | break; | |
10822 | default: | |
55a08b3f | 10823 | MISSING_CASE(plane_state->base.crtc_w); |
4726e0b0 | 10824 | return; |
65a21cd6 | 10825 | } |
4b0e333e | 10826 | cntl |= pipe << 28; /* Connect to correct pipe */ |
47bf17a7 | 10827 | |
fc6f93bc | 10828 | if (HAS_DDI(dev)) |
47bf17a7 | 10829 | cntl |= CURSOR_PIPE_CSC_ENABLE; |
65a21cd6 | 10830 | |
31ad61e4 | 10831 | if (plane_state->base.rotation == DRM_ROTATE_180) |
55a08b3f ML |
10832 | cntl |= CURSOR_ROTATE_180; |
10833 | } | |
4398ad45 | 10834 | |
4b0e333e CW |
10835 | if (intel_crtc->cursor_cntl != cntl) { |
10836 | I915_WRITE(CURCNTR(pipe), cntl); | |
10837 | POSTING_READ(CURCNTR(pipe)); | |
10838 | intel_crtc->cursor_cntl = cntl; | |
65a21cd6 | 10839 | } |
4b0e333e | 10840 | |
65a21cd6 | 10841 | /* and commit changes on next vblank */ |
5efb3e28 VS |
10842 | I915_WRITE(CURBASE(pipe), base); |
10843 | POSTING_READ(CURBASE(pipe)); | |
99d1f387 VS |
10844 | |
10845 | intel_crtc->cursor_base = base; | |
65a21cd6 JB |
10846 | } |
10847 | ||
cda4b7d3 | 10848 | /* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */ |
6b383a7f | 10849 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, |
55a08b3f | 10850 | const struct intel_plane_state *plane_state) |
cda4b7d3 CW |
10851 | { |
10852 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 10853 | struct drm_i915_private *dev_priv = to_i915(dev); |
cda4b7d3 CW |
10854 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
10855 | int pipe = intel_crtc->pipe; | |
55a08b3f ML |
10856 | u32 base = intel_crtc->cursor_addr; |
10857 | u32 pos = 0; | |
cda4b7d3 | 10858 | |
55a08b3f ML |
10859 | if (plane_state) { |
10860 | int x = plane_state->base.crtc_x; | |
10861 | int y = plane_state->base.crtc_y; | |
cda4b7d3 | 10862 | |
55a08b3f ML |
10863 | if (x < 0) { |
10864 | pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT; | |
10865 | x = -x; | |
10866 | } | |
10867 | pos |= x << CURSOR_X_SHIFT; | |
cda4b7d3 | 10868 | |
55a08b3f ML |
10869 | if (y < 0) { |
10870 | pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT; | |
10871 | y = -y; | |
10872 | } | |
10873 | pos |= y << CURSOR_Y_SHIFT; | |
10874 | ||
10875 | /* ILK+ do this automagically */ | |
10876 | if (HAS_GMCH_DISPLAY(dev) && | |
31ad61e4 | 10877 | plane_state->base.rotation == DRM_ROTATE_180) { |
55a08b3f ML |
10878 | base += (plane_state->base.crtc_h * |
10879 | plane_state->base.crtc_w - 1) * 4; | |
10880 | } | |
cda4b7d3 | 10881 | } |
cda4b7d3 | 10882 | |
5efb3e28 VS |
10883 | I915_WRITE(CURPOS(pipe), pos); |
10884 | ||
8ac54669 | 10885 | if (IS_845G(dev) || IS_I865G(dev)) |
55a08b3f | 10886 | i845_update_cursor(crtc, base, plane_state); |
5efb3e28 | 10887 | else |
55a08b3f | 10888 | i9xx_update_cursor(crtc, base, plane_state); |
cda4b7d3 CW |
10889 | } |
10890 | ||
dc41c154 VS |
10891 | static bool cursor_size_ok(struct drm_device *dev, |
10892 | uint32_t width, uint32_t height) | |
10893 | { | |
10894 | if (width == 0 || height == 0) | |
10895 | return false; | |
10896 | ||
10897 | /* | |
10898 | * 845g/865g are special in that they are only limited by | |
10899 | * the width of their cursors, the height is arbitrary up to | |
10900 | * the precision of the register. Everything else requires | |
10901 | * square cursors, limited to a few power-of-two sizes. | |
10902 | */ | |
10903 | if (IS_845G(dev) || IS_I865G(dev)) { | |
10904 | if ((width & 63) != 0) | |
10905 | return false; | |
10906 | ||
10907 | if (width > (IS_845G(dev) ? 64 : 512)) | |
10908 | return false; | |
10909 | ||
10910 | if (height > 1023) | |
10911 | return false; | |
10912 | } else { | |
10913 | switch (width | height) { | |
10914 | case 256: | |
10915 | case 128: | |
10916 | if (IS_GEN2(dev)) | |
10917 | return false; | |
10918 | case 64: | |
10919 | break; | |
10920 | default: | |
10921 | return false; | |
10922 | } | |
10923 | } | |
10924 | ||
10925 | return true; | |
10926 | } | |
10927 | ||
79e53945 JB |
10928 | /* VESA 640x480x72Hz mode to set on the pipe */ |
10929 | static struct drm_display_mode load_detect_mode = { | |
10930 | DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664, | |
10931 | 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), | |
10932 | }; | |
10933 | ||
a8bb6818 DV |
10934 | struct drm_framebuffer * |
10935 | __intel_framebuffer_create(struct drm_device *dev, | |
10936 | struct drm_mode_fb_cmd2 *mode_cmd, | |
10937 | struct drm_i915_gem_object *obj) | |
d2dff872 CW |
10938 | { |
10939 | struct intel_framebuffer *intel_fb; | |
10940 | int ret; | |
10941 | ||
10942 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); | |
dcb1394e | 10943 | if (!intel_fb) |
d2dff872 | 10944 | return ERR_PTR(-ENOMEM); |
d2dff872 CW |
10945 | |
10946 | ret = intel_framebuffer_init(dev, intel_fb, mode_cmd, obj); | |
dd4916c5 DV |
10947 | if (ret) |
10948 | goto err; | |
d2dff872 CW |
10949 | |
10950 | return &intel_fb->base; | |
dcb1394e | 10951 | |
dd4916c5 | 10952 | err: |
dd4916c5 | 10953 | kfree(intel_fb); |
dd4916c5 | 10954 | return ERR_PTR(ret); |
d2dff872 CW |
10955 | } |
10956 | ||
b5ea642a | 10957 | static struct drm_framebuffer * |
a8bb6818 DV |
10958 | intel_framebuffer_create(struct drm_device *dev, |
10959 | struct drm_mode_fb_cmd2 *mode_cmd, | |
10960 | struct drm_i915_gem_object *obj) | |
10961 | { | |
10962 | struct drm_framebuffer *fb; | |
10963 | int ret; | |
10964 | ||
10965 | ret = i915_mutex_lock_interruptible(dev); | |
10966 | if (ret) | |
10967 | return ERR_PTR(ret); | |
10968 | fb = __intel_framebuffer_create(dev, mode_cmd, obj); | |
10969 | mutex_unlock(&dev->struct_mutex); | |
10970 | ||
10971 | return fb; | |
10972 | } | |
10973 | ||
d2dff872 CW |
10974 | static u32 |
10975 | intel_framebuffer_pitch_for_width(int width, int bpp) | |
10976 | { | |
10977 | u32 pitch = DIV_ROUND_UP(width * bpp, 8); | |
10978 | return ALIGN(pitch, 64); | |
10979 | } | |
10980 | ||
10981 | static u32 | |
10982 | intel_framebuffer_size_for_mode(struct drm_display_mode *mode, int bpp) | |
10983 | { | |
10984 | u32 pitch = intel_framebuffer_pitch_for_width(mode->hdisplay, bpp); | |
1267a26b | 10985 | return PAGE_ALIGN(pitch * mode->vdisplay); |
d2dff872 CW |
10986 | } |
10987 | ||
10988 | static struct drm_framebuffer * | |
10989 | intel_framebuffer_create_for_mode(struct drm_device *dev, | |
10990 | struct drm_display_mode *mode, | |
10991 | int depth, int bpp) | |
10992 | { | |
dcb1394e | 10993 | struct drm_framebuffer *fb; |
d2dff872 | 10994 | struct drm_i915_gem_object *obj; |
0fed39bd | 10995 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; |
d2dff872 | 10996 | |
d37cd8a8 | 10997 | obj = i915_gem_object_create(dev, |
d2dff872 | 10998 | intel_framebuffer_size_for_mode(mode, bpp)); |
fe3db79b CW |
10999 | if (IS_ERR(obj)) |
11000 | return ERR_CAST(obj); | |
d2dff872 CW |
11001 | |
11002 | mode_cmd.width = mode->hdisplay; | |
11003 | mode_cmd.height = mode->vdisplay; | |
308e5bcb JB |
11004 | mode_cmd.pitches[0] = intel_framebuffer_pitch_for_width(mode_cmd.width, |
11005 | bpp); | |
5ca0c34a | 11006 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); |
d2dff872 | 11007 | |
dcb1394e LW |
11008 | fb = intel_framebuffer_create(dev, &mode_cmd, obj); |
11009 | if (IS_ERR(fb)) | |
34911fd3 | 11010 | i915_gem_object_put_unlocked(obj); |
dcb1394e LW |
11011 | |
11012 | return fb; | |
d2dff872 CW |
11013 | } |
11014 | ||
11015 | static struct drm_framebuffer * | |
11016 | mode_fits_in_fbdev(struct drm_device *dev, | |
11017 | struct drm_display_mode *mode) | |
11018 | { | |
0695726e | 11019 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
fac5e23e | 11020 | struct drm_i915_private *dev_priv = to_i915(dev); |
d2dff872 CW |
11021 | struct drm_i915_gem_object *obj; |
11022 | struct drm_framebuffer *fb; | |
11023 | ||
4c0e5528 | 11024 | if (!dev_priv->fbdev) |
d2dff872 CW |
11025 | return NULL; |
11026 | ||
4c0e5528 | 11027 | if (!dev_priv->fbdev->fb) |
d2dff872 CW |
11028 | return NULL; |
11029 | ||
4c0e5528 DV |
11030 | obj = dev_priv->fbdev->fb->obj; |
11031 | BUG_ON(!obj); | |
11032 | ||
8bcd4553 | 11033 | fb = &dev_priv->fbdev->fb->base; |
01f2c773 VS |
11034 | if (fb->pitches[0] < intel_framebuffer_pitch_for_width(mode->hdisplay, |
11035 | fb->bits_per_pixel)) | |
d2dff872 CW |
11036 | return NULL; |
11037 | ||
01f2c773 | 11038 | if (obj->base.size < mode->vdisplay * fb->pitches[0]) |
d2dff872 CW |
11039 | return NULL; |
11040 | ||
edde3617 | 11041 | drm_framebuffer_reference(fb); |
d2dff872 | 11042 | return fb; |
4520f53a DV |
11043 | #else |
11044 | return NULL; | |
11045 | #endif | |
d2dff872 CW |
11046 | } |
11047 | ||
d3a40d1b ACO |
11048 | static int intel_modeset_setup_plane_state(struct drm_atomic_state *state, |
11049 | struct drm_crtc *crtc, | |
11050 | struct drm_display_mode *mode, | |
11051 | struct drm_framebuffer *fb, | |
11052 | int x, int y) | |
11053 | { | |
11054 | struct drm_plane_state *plane_state; | |
11055 | int hdisplay, vdisplay; | |
11056 | int ret; | |
11057 | ||
11058 | plane_state = drm_atomic_get_plane_state(state, crtc->primary); | |
11059 | if (IS_ERR(plane_state)) | |
11060 | return PTR_ERR(plane_state); | |
11061 | ||
11062 | if (mode) | |
11063 | drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay); | |
11064 | else | |
11065 | hdisplay = vdisplay = 0; | |
11066 | ||
11067 | ret = drm_atomic_set_crtc_for_plane(plane_state, fb ? crtc : NULL); | |
11068 | if (ret) | |
11069 | return ret; | |
11070 | drm_atomic_set_fb_for_plane(plane_state, fb); | |
11071 | plane_state->crtc_x = 0; | |
11072 | plane_state->crtc_y = 0; | |
11073 | plane_state->crtc_w = hdisplay; | |
11074 | plane_state->crtc_h = vdisplay; | |
11075 | plane_state->src_x = x << 16; | |
11076 | plane_state->src_y = y << 16; | |
11077 | plane_state->src_w = hdisplay << 16; | |
11078 | plane_state->src_h = vdisplay << 16; | |
11079 | ||
11080 | return 0; | |
11081 | } | |
11082 | ||
d2434ab7 | 11083 | bool intel_get_load_detect_pipe(struct drm_connector *connector, |
7173188d | 11084 | struct drm_display_mode *mode, |
51fd371b RC |
11085 | struct intel_load_detect_pipe *old, |
11086 | struct drm_modeset_acquire_ctx *ctx) | |
79e53945 JB |
11087 | { |
11088 | struct intel_crtc *intel_crtc; | |
d2434ab7 DV |
11089 | struct intel_encoder *intel_encoder = |
11090 | intel_attached_encoder(connector); | |
79e53945 | 11091 | struct drm_crtc *possible_crtc; |
4ef69c7a | 11092 | struct drm_encoder *encoder = &intel_encoder->base; |
79e53945 JB |
11093 | struct drm_crtc *crtc = NULL; |
11094 | struct drm_device *dev = encoder->dev; | |
94352cf9 | 11095 | struct drm_framebuffer *fb; |
51fd371b | 11096 | struct drm_mode_config *config = &dev->mode_config; |
edde3617 | 11097 | struct drm_atomic_state *state = NULL, *restore_state = NULL; |
944b0c76 | 11098 | struct drm_connector_state *connector_state; |
4be07317 | 11099 | struct intel_crtc_state *crtc_state; |
51fd371b | 11100 | int ret, i = -1; |
79e53945 | 11101 | |
d2dff872 | 11102 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
c23cc417 | 11103 | connector->base.id, connector->name, |
8e329a03 | 11104 | encoder->base.id, encoder->name); |
d2dff872 | 11105 | |
edde3617 ML |
11106 | old->restore_state = NULL; |
11107 | ||
51fd371b RC |
11108 | retry: |
11109 | ret = drm_modeset_lock(&config->connection_mutex, ctx); | |
11110 | if (ret) | |
ad3c558f | 11111 | goto fail; |
6e9f798d | 11112 | |
79e53945 JB |
11113 | /* |
11114 | * Algorithm gets a little messy: | |
7a5e4805 | 11115 | * |
79e53945 JB |
11116 | * - if the connector already has an assigned crtc, use it (but make |
11117 | * sure it's on first) | |
7a5e4805 | 11118 | * |
79e53945 JB |
11119 | * - try to find the first unused crtc that can drive this connector, |
11120 | * and use that if we find one | |
79e53945 JB |
11121 | */ |
11122 | ||
11123 | /* See if we already have a CRTC for this connector */ | |
edde3617 ML |
11124 | if (connector->state->crtc) { |
11125 | crtc = connector->state->crtc; | |
8261b191 | 11126 | |
51fd371b | 11127 | ret = drm_modeset_lock(&crtc->mutex, ctx); |
4d02e2de | 11128 | if (ret) |
ad3c558f | 11129 | goto fail; |
8261b191 CW |
11130 | |
11131 | /* Make sure the crtc and connector are running */ | |
edde3617 | 11132 | goto found; |
79e53945 JB |
11133 | } |
11134 | ||
11135 | /* Find an unused one (if possible) */ | |
70e1e0ec | 11136 | for_each_crtc(dev, possible_crtc) { |
79e53945 JB |
11137 | i++; |
11138 | if (!(encoder->possible_crtcs & (1 << i))) | |
11139 | continue; | |
edde3617 ML |
11140 | |
11141 | ret = drm_modeset_lock(&possible_crtc->mutex, ctx); | |
11142 | if (ret) | |
11143 | goto fail; | |
11144 | ||
11145 | if (possible_crtc->state->enable) { | |
11146 | drm_modeset_unlock(&possible_crtc->mutex); | |
a459249c | 11147 | continue; |
edde3617 | 11148 | } |
a459249c VS |
11149 | |
11150 | crtc = possible_crtc; | |
11151 | break; | |
79e53945 JB |
11152 | } |
11153 | ||
11154 | /* | |
11155 | * If we didn't find an unused CRTC, don't use any. | |
11156 | */ | |
11157 | if (!crtc) { | |
7173188d | 11158 | DRM_DEBUG_KMS("no pipe available for load-detect\n"); |
ad3c558f | 11159 | goto fail; |
79e53945 JB |
11160 | } |
11161 | ||
edde3617 ML |
11162 | found: |
11163 | intel_crtc = to_intel_crtc(crtc); | |
11164 | ||
4d02e2de DV |
11165 | ret = drm_modeset_lock(&crtc->primary->mutex, ctx); |
11166 | if (ret) | |
ad3c558f | 11167 | goto fail; |
79e53945 | 11168 | |
83a57153 | 11169 | state = drm_atomic_state_alloc(dev); |
edde3617 ML |
11170 | restore_state = drm_atomic_state_alloc(dev); |
11171 | if (!state || !restore_state) { | |
11172 | ret = -ENOMEM; | |
11173 | goto fail; | |
11174 | } | |
83a57153 ACO |
11175 | |
11176 | state->acquire_ctx = ctx; | |
edde3617 | 11177 | restore_state->acquire_ctx = ctx; |
83a57153 | 11178 | |
944b0c76 ACO |
11179 | connector_state = drm_atomic_get_connector_state(state, connector); |
11180 | if (IS_ERR(connector_state)) { | |
11181 | ret = PTR_ERR(connector_state); | |
11182 | goto fail; | |
11183 | } | |
11184 | ||
edde3617 ML |
11185 | ret = drm_atomic_set_crtc_for_connector(connector_state, crtc); |
11186 | if (ret) | |
11187 | goto fail; | |
944b0c76 | 11188 | |
4be07317 ACO |
11189 | crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); |
11190 | if (IS_ERR(crtc_state)) { | |
11191 | ret = PTR_ERR(crtc_state); | |
11192 | goto fail; | |
11193 | } | |
11194 | ||
49d6fa21 | 11195 | crtc_state->base.active = crtc_state->base.enable = true; |
4be07317 | 11196 | |
6492711d CW |
11197 | if (!mode) |
11198 | mode = &load_detect_mode; | |
79e53945 | 11199 | |
d2dff872 CW |
11200 | /* We need a framebuffer large enough to accommodate all accesses |
11201 | * that the plane may generate whilst we perform load detection. | |
11202 | * We can not rely on the fbcon either being present (we get called | |
11203 | * during its initialisation to detect all boot displays, or it may | |
11204 | * not even exist) or that it is large enough to satisfy the | |
11205 | * requested mode. | |
11206 | */ | |
94352cf9 DV |
11207 | fb = mode_fits_in_fbdev(dev, mode); |
11208 | if (fb == NULL) { | |
d2dff872 | 11209 | DRM_DEBUG_KMS("creating tmp fb for load-detection\n"); |
94352cf9 | 11210 | fb = intel_framebuffer_create_for_mode(dev, mode, 24, 32); |
d2dff872 CW |
11211 | } else |
11212 | DRM_DEBUG_KMS("reusing fbdev for load-detection framebuffer\n"); | |
94352cf9 | 11213 | if (IS_ERR(fb)) { |
d2dff872 | 11214 | DRM_DEBUG_KMS("failed to allocate framebuffer for load-detection\n"); |
412b61d8 | 11215 | goto fail; |
79e53945 | 11216 | } |
79e53945 | 11217 | |
d3a40d1b ACO |
11218 | ret = intel_modeset_setup_plane_state(state, crtc, mode, fb, 0, 0); |
11219 | if (ret) | |
11220 | goto fail; | |
11221 | ||
edde3617 ML |
11222 | drm_framebuffer_unreference(fb); |
11223 | ||
11224 | ret = drm_atomic_set_mode_for_crtc(&crtc_state->base, mode); | |
11225 | if (ret) | |
11226 | goto fail; | |
11227 | ||
11228 | ret = PTR_ERR_OR_ZERO(drm_atomic_get_connector_state(restore_state, connector)); | |
11229 | if (!ret) | |
11230 | ret = PTR_ERR_OR_ZERO(drm_atomic_get_crtc_state(restore_state, crtc)); | |
11231 | if (!ret) | |
11232 | ret = PTR_ERR_OR_ZERO(drm_atomic_get_plane_state(restore_state, crtc->primary)); | |
11233 | if (ret) { | |
11234 | DRM_DEBUG_KMS("Failed to create a copy of old state to restore: %i\n", ret); | |
11235 | goto fail; | |
11236 | } | |
8c7b5ccb | 11237 | |
3ba86073 ML |
11238 | ret = drm_atomic_commit(state); |
11239 | if (ret) { | |
6492711d | 11240 | DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n"); |
412b61d8 | 11241 | goto fail; |
79e53945 | 11242 | } |
edde3617 ML |
11243 | |
11244 | old->restore_state = restore_state; | |
7173188d | 11245 | |
79e53945 | 11246 | /* let the connector get through one full cycle before testing */ |
9d0498a2 | 11247 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
7173188d | 11248 | return true; |
412b61d8 | 11249 | |
ad3c558f | 11250 | fail: |
e5d958ef | 11251 | drm_atomic_state_free(state); |
edde3617 ML |
11252 | drm_atomic_state_free(restore_state); |
11253 | restore_state = state = NULL; | |
83a57153 | 11254 | |
51fd371b RC |
11255 | if (ret == -EDEADLK) { |
11256 | drm_modeset_backoff(ctx); | |
11257 | goto retry; | |
11258 | } | |
11259 | ||
412b61d8 | 11260 | return false; |
79e53945 JB |
11261 | } |
11262 | ||
d2434ab7 | 11263 | void intel_release_load_detect_pipe(struct drm_connector *connector, |
49172fee ACO |
11264 | struct intel_load_detect_pipe *old, |
11265 | struct drm_modeset_acquire_ctx *ctx) | |
79e53945 | 11266 | { |
d2434ab7 DV |
11267 | struct intel_encoder *intel_encoder = |
11268 | intel_attached_encoder(connector); | |
4ef69c7a | 11269 | struct drm_encoder *encoder = &intel_encoder->base; |
edde3617 | 11270 | struct drm_atomic_state *state = old->restore_state; |
d3a40d1b | 11271 | int ret; |
79e53945 | 11272 | |
d2dff872 | 11273 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
c23cc417 | 11274 | connector->base.id, connector->name, |
8e329a03 | 11275 | encoder->base.id, encoder->name); |
d2dff872 | 11276 | |
edde3617 | 11277 | if (!state) |
0622a53c | 11278 | return; |
79e53945 | 11279 | |
edde3617 ML |
11280 | ret = drm_atomic_commit(state); |
11281 | if (ret) { | |
11282 | DRM_DEBUG_KMS("Couldn't release load detect pipe: %i\n", ret); | |
11283 | drm_atomic_state_free(state); | |
11284 | } | |
79e53945 JB |
11285 | } |
11286 | ||
da4a1efa | 11287 | static int i9xx_pll_refclk(struct drm_device *dev, |
5cec258b | 11288 | const struct intel_crtc_state *pipe_config) |
da4a1efa | 11289 | { |
fac5e23e | 11290 | struct drm_i915_private *dev_priv = to_i915(dev); |
da4a1efa VS |
11291 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
11292 | ||
11293 | if ((dpll & PLL_REF_INPUT_MASK) == PLLB_REF_INPUT_SPREADSPECTRUMIN) | |
e91e941b | 11294 | return dev_priv->vbt.lvds_ssc_freq; |
da4a1efa VS |
11295 | else if (HAS_PCH_SPLIT(dev)) |
11296 | return 120000; | |
11297 | else if (!IS_GEN2(dev)) | |
11298 | return 96000; | |
11299 | else | |
11300 | return 48000; | |
11301 | } | |
11302 | ||
79e53945 | 11303 | /* Returns the clock of the currently programmed mode of the given pipe. */ |
f1f644dc | 11304 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 11305 | struct intel_crtc_state *pipe_config) |
79e53945 | 11306 | { |
f1f644dc | 11307 | struct drm_device *dev = crtc->base.dev; |
fac5e23e | 11308 | struct drm_i915_private *dev_priv = to_i915(dev); |
f1f644dc | 11309 | int pipe = pipe_config->cpu_transcoder; |
293623f7 | 11310 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
79e53945 | 11311 | u32 fp; |
9e2c8475 | 11312 | struct dpll clock; |
dccbea3b | 11313 | int port_clock; |
da4a1efa | 11314 | int refclk = i9xx_pll_refclk(dev, pipe_config); |
79e53945 JB |
11315 | |
11316 | if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) | |
293623f7 | 11317 | fp = pipe_config->dpll_hw_state.fp0; |
79e53945 | 11318 | else |
293623f7 | 11319 | fp = pipe_config->dpll_hw_state.fp1; |
79e53945 JB |
11320 | |
11321 | clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; | |
f2b115e6 AJ |
11322 | if (IS_PINEVIEW(dev)) { |
11323 | clock.n = ffs((fp & FP_N_PINEVIEW_DIV_MASK) >> FP_N_DIV_SHIFT) - 1; | |
11324 | clock.m2 = (fp & FP_M2_PINEVIEW_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
2177832f SL |
11325 | } else { |
11326 | clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; | |
11327 | clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
11328 | } | |
11329 | ||
a6c45cf0 | 11330 | if (!IS_GEN2(dev)) { |
f2b115e6 AJ |
11331 | if (IS_PINEVIEW(dev)) |
11332 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW) >> | |
11333 | DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW); | |
2177832f SL |
11334 | else |
11335 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >> | |
79e53945 JB |
11336 | DPLL_FPA01_P1_POST_DIV_SHIFT); |
11337 | ||
11338 | switch (dpll & DPLL_MODE_MASK) { | |
11339 | case DPLLB_MODE_DAC_SERIAL: | |
11340 | clock.p2 = dpll & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ? | |
11341 | 5 : 10; | |
11342 | break; | |
11343 | case DPLLB_MODE_LVDS: | |
11344 | clock.p2 = dpll & DPLLB_LVDS_P2_CLOCK_DIV_7 ? | |
11345 | 7 : 14; | |
11346 | break; | |
11347 | default: | |
28c97730 | 11348 | DRM_DEBUG_KMS("Unknown DPLL mode %08x in programmed " |
79e53945 | 11349 | "mode\n", (int)(dpll & DPLL_MODE_MASK)); |
f1f644dc | 11350 | return; |
79e53945 JB |
11351 | } |
11352 | ||
ac58c3f0 | 11353 | if (IS_PINEVIEW(dev)) |
dccbea3b | 11354 | port_clock = pnv_calc_dpll_params(refclk, &clock); |
ac58c3f0 | 11355 | else |
dccbea3b | 11356 | port_clock = i9xx_calc_dpll_params(refclk, &clock); |
79e53945 | 11357 | } else { |
0fb58223 | 11358 | u32 lvds = IS_I830(dev) ? 0 : I915_READ(LVDS); |
b1c560d1 | 11359 | bool is_lvds = (pipe == 1) && (lvds & LVDS_PORT_EN); |
79e53945 JB |
11360 | |
11361 | if (is_lvds) { | |
11362 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> | |
11363 | DPLL_FPA01_P1_POST_DIV_SHIFT); | |
b1c560d1 VS |
11364 | |
11365 | if (lvds & LVDS_CLKB_POWER_UP) | |
11366 | clock.p2 = 7; | |
11367 | else | |
11368 | clock.p2 = 14; | |
79e53945 JB |
11369 | } else { |
11370 | if (dpll & PLL_P1_DIVIDE_BY_TWO) | |
11371 | clock.p1 = 2; | |
11372 | else { | |
11373 | clock.p1 = ((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830) >> | |
11374 | DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; | |
11375 | } | |
11376 | if (dpll & PLL_P2_DIVIDE_BY_4) | |
11377 | clock.p2 = 4; | |
11378 | else | |
11379 | clock.p2 = 2; | |
79e53945 | 11380 | } |
da4a1efa | 11381 | |
dccbea3b | 11382 | port_clock = i9xx_calc_dpll_params(refclk, &clock); |
79e53945 JB |
11383 | } |
11384 | ||
18442d08 VS |
11385 | /* |
11386 | * This value includes pixel_multiplier. We will use | |
241bfc38 | 11387 | * port_clock to compute adjusted_mode.crtc_clock in the |
18442d08 VS |
11388 | * encoder's get_config() function. |
11389 | */ | |
dccbea3b | 11390 | pipe_config->port_clock = port_clock; |
f1f644dc JB |
11391 | } |
11392 | ||
6878da05 VS |
11393 | int intel_dotclock_calculate(int link_freq, |
11394 | const struct intel_link_m_n *m_n) | |
f1f644dc | 11395 | { |
f1f644dc JB |
11396 | /* |
11397 | * The calculation for the data clock is: | |
1041a02f | 11398 | * pixel_clock = ((m/n)*(link_clock * nr_lanes))/bpp |
f1f644dc | 11399 | * But we want to avoid losing precison if possible, so: |
1041a02f | 11400 | * pixel_clock = ((m * link_clock * nr_lanes)/(n*bpp)) |
f1f644dc JB |
11401 | * |
11402 | * and the link clock is simpler: | |
1041a02f | 11403 | * link_clock = (m * link_clock) / n |
f1f644dc JB |
11404 | */ |
11405 | ||
6878da05 VS |
11406 | if (!m_n->link_n) |
11407 | return 0; | |
f1f644dc | 11408 | |
6878da05 VS |
11409 | return div_u64((u64)m_n->link_m * link_freq, m_n->link_n); |
11410 | } | |
f1f644dc | 11411 | |
18442d08 | 11412 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
5cec258b | 11413 | struct intel_crtc_state *pipe_config) |
6878da05 | 11414 | { |
e3b247da | 11415 | struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); |
79e53945 | 11416 | |
18442d08 VS |
11417 | /* read out port_clock from the DPLL */ |
11418 | i9xx_crtc_clock_get(crtc, pipe_config); | |
f1f644dc | 11419 | |
f1f644dc | 11420 | /* |
e3b247da VS |
11421 | * In case there is an active pipe without active ports, |
11422 | * we may need some idea for the dotclock anyway. | |
11423 | * Calculate one based on the FDI configuration. | |
79e53945 | 11424 | */ |
2d112de7 | 11425 | pipe_config->base.adjusted_mode.crtc_clock = |
21a727b3 | 11426 | intel_dotclock_calculate(intel_fdi_link_freq(dev_priv, pipe_config), |
18442d08 | 11427 | &pipe_config->fdi_m_n); |
79e53945 JB |
11428 | } |
11429 | ||
11430 | /** Returns the currently programmed mode of the given pipe. */ | |
11431 | struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, | |
11432 | struct drm_crtc *crtc) | |
11433 | { | |
fac5e23e | 11434 | struct drm_i915_private *dev_priv = to_i915(dev); |
79e53945 | 11435 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6e3c9717 | 11436 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
79e53945 | 11437 | struct drm_display_mode *mode; |
3f36b937 | 11438 | struct intel_crtc_state *pipe_config; |
fe2b8f9d PZ |
11439 | int htot = I915_READ(HTOTAL(cpu_transcoder)); |
11440 | int hsync = I915_READ(HSYNC(cpu_transcoder)); | |
11441 | int vtot = I915_READ(VTOTAL(cpu_transcoder)); | |
11442 | int vsync = I915_READ(VSYNC(cpu_transcoder)); | |
293623f7 | 11443 | enum pipe pipe = intel_crtc->pipe; |
79e53945 JB |
11444 | |
11445 | mode = kzalloc(sizeof(*mode), GFP_KERNEL); | |
11446 | if (!mode) | |
11447 | return NULL; | |
11448 | ||
3f36b937 TU |
11449 | pipe_config = kzalloc(sizeof(*pipe_config), GFP_KERNEL); |
11450 | if (!pipe_config) { | |
11451 | kfree(mode); | |
11452 | return NULL; | |
11453 | } | |
11454 | ||
f1f644dc JB |
11455 | /* |
11456 | * Construct a pipe_config sufficient for getting the clock info | |
11457 | * back out of crtc_clock_get. | |
11458 | * | |
11459 | * Note, if LVDS ever uses a non-1 pixel multiplier, we'll need | |
11460 | * to use a real value here instead. | |
11461 | */ | |
3f36b937 TU |
11462 | pipe_config->cpu_transcoder = (enum transcoder) pipe; |
11463 | pipe_config->pixel_multiplier = 1; | |
11464 | pipe_config->dpll_hw_state.dpll = I915_READ(DPLL(pipe)); | |
11465 | pipe_config->dpll_hw_state.fp0 = I915_READ(FP0(pipe)); | |
11466 | pipe_config->dpll_hw_state.fp1 = I915_READ(FP1(pipe)); | |
11467 | i9xx_crtc_clock_get(intel_crtc, pipe_config); | |
11468 | ||
11469 | mode->clock = pipe_config->port_clock / pipe_config->pixel_multiplier; | |
79e53945 JB |
11470 | mode->hdisplay = (htot & 0xffff) + 1; |
11471 | mode->htotal = ((htot & 0xffff0000) >> 16) + 1; | |
11472 | mode->hsync_start = (hsync & 0xffff) + 1; | |
11473 | mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; | |
11474 | mode->vdisplay = (vtot & 0xffff) + 1; | |
11475 | mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; | |
11476 | mode->vsync_start = (vsync & 0xffff) + 1; | |
11477 | mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; | |
11478 | ||
11479 | drm_mode_set_name(mode); | |
79e53945 | 11480 | |
3f36b937 TU |
11481 | kfree(pipe_config); |
11482 | ||
79e53945 JB |
11483 | return mode; |
11484 | } | |
11485 | ||
11486 | static void intel_crtc_destroy(struct drm_crtc *crtc) | |
11487 | { | |
11488 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
67e77c5a | 11489 | struct drm_device *dev = crtc->dev; |
51cbaf01 | 11490 | struct intel_flip_work *work; |
67e77c5a | 11491 | |
5e2d7afc | 11492 | spin_lock_irq(&dev->event_lock); |
5a21b665 DV |
11493 | work = intel_crtc->flip_work; |
11494 | intel_crtc->flip_work = NULL; | |
11495 | spin_unlock_irq(&dev->event_lock); | |
67e77c5a | 11496 | |
5a21b665 | 11497 | if (work) { |
51cbaf01 ML |
11498 | cancel_work_sync(&work->mmio_work); |
11499 | cancel_work_sync(&work->unpin_work); | |
5a21b665 | 11500 | kfree(work); |
67e77c5a | 11501 | } |
79e53945 JB |
11502 | |
11503 | drm_crtc_cleanup(crtc); | |
67e77c5a | 11504 | |
79e53945 JB |
11505 | kfree(intel_crtc); |
11506 | } | |
11507 | ||
6b95a207 KH |
11508 | static void intel_unpin_work_fn(struct work_struct *__work) |
11509 | { | |
51cbaf01 ML |
11510 | struct intel_flip_work *work = |
11511 | container_of(__work, struct intel_flip_work, unpin_work); | |
5a21b665 DV |
11512 | struct intel_crtc *crtc = to_intel_crtc(work->crtc); |
11513 | struct drm_device *dev = crtc->base.dev; | |
11514 | struct drm_plane *primary = crtc->base.primary; | |
03f476e1 | 11515 | |
5a21b665 DV |
11516 | if (is_mmio_work(work)) |
11517 | flush_work(&work->mmio_work); | |
03f476e1 | 11518 | |
5a21b665 DV |
11519 | mutex_lock(&dev->struct_mutex); |
11520 | intel_unpin_fb_obj(work->old_fb, primary->state->rotation); | |
f8c417cd | 11521 | i915_gem_object_put(work->pending_flip_obj); |
5a21b665 | 11522 | mutex_unlock(&dev->struct_mutex); |
143f73b3 | 11523 | |
e8a261ea CW |
11524 | i915_gem_request_put(work->flip_queued_req); |
11525 | ||
5748b6a1 CW |
11526 | intel_frontbuffer_flip_complete(to_i915(dev), |
11527 | to_intel_plane(primary)->frontbuffer_bit); | |
5a21b665 DV |
11528 | intel_fbc_post_update(crtc); |
11529 | drm_framebuffer_unreference(work->old_fb); | |
143f73b3 | 11530 | |
5a21b665 DV |
11531 | BUG_ON(atomic_read(&crtc->unpin_work_count) == 0); |
11532 | atomic_dec(&crtc->unpin_work_count); | |
a6747b73 | 11533 | |
5a21b665 DV |
11534 | kfree(work); |
11535 | } | |
d9e86c0e | 11536 | |
5a21b665 DV |
11537 | /* Is 'a' after or equal to 'b'? */ |
11538 | static bool g4x_flip_count_after_eq(u32 a, u32 b) | |
11539 | { | |
11540 | return !((a - b) & 0x80000000); | |
11541 | } | |
143f73b3 | 11542 | |
5a21b665 DV |
11543 | static bool __pageflip_finished_cs(struct intel_crtc *crtc, |
11544 | struct intel_flip_work *work) | |
11545 | { | |
11546 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 11547 | struct drm_i915_private *dev_priv = to_i915(dev); |
143f73b3 | 11548 | |
8af29b0c | 11549 | if (abort_flip_on_reset(crtc)) |
5a21b665 | 11550 | return true; |
143f73b3 | 11551 | |
5a21b665 DV |
11552 | /* |
11553 | * The relevant registers doen't exist on pre-ctg. | |
11554 | * As the flip done interrupt doesn't trigger for mmio | |
11555 | * flips on gmch platforms, a flip count check isn't | |
11556 | * really needed there. But since ctg has the registers, | |
11557 | * include it in the check anyway. | |
11558 | */ | |
11559 | if (INTEL_INFO(dev)->gen < 5 && !IS_G4X(dev)) | |
11560 | return true; | |
b4a98e57 | 11561 | |
5a21b665 DV |
11562 | /* |
11563 | * BDW signals flip done immediately if the plane | |
11564 | * is disabled, even if the plane enable is already | |
11565 | * armed to occur at the next vblank :( | |
11566 | */ | |
f99d7069 | 11567 | |
5a21b665 DV |
11568 | /* |
11569 | * A DSPSURFLIVE check isn't enough in case the mmio and CS flips | |
11570 | * used the same base address. In that case the mmio flip might | |
11571 | * have completed, but the CS hasn't even executed the flip yet. | |
11572 | * | |
11573 | * A flip count check isn't enough as the CS might have updated | |
11574 | * the base address just after start of vblank, but before we | |
11575 | * managed to process the interrupt. This means we'd complete the | |
11576 | * CS flip too soon. | |
11577 | * | |
11578 | * Combining both checks should get us a good enough result. It may | |
11579 | * still happen that the CS flip has been executed, but has not | |
11580 | * yet actually completed. But in case the base address is the same | |
11581 | * anyway, we don't really care. | |
11582 | */ | |
11583 | return (I915_READ(DSPSURFLIVE(crtc->plane)) & ~0xfff) == | |
11584 | crtc->flip_work->gtt_offset && | |
11585 | g4x_flip_count_after_eq(I915_READ(PIPE_FLIPCOUNT_G4X(crtc->pipe)), | |
11586 | crtc->flip_work->flip_count); | |
11587 | } | |
b4a98e57 | 11588 | |
5a21b665 DV |
11589 | static bool |
11590 | __pageflip_finished_mmio(struct intel_crtc *crtc, | |
11591 | struct intel_flip_work *work) | |
11592 | { | |
11593 | /* | |
11594 | * MMIO work completes when vblank is different from | |
11595 | * flip_queued_vblank. | |
11596 | * | |
11597 | * Reset counter value doesn't matter, this is handled by | |
11598 | * i915_wait_request finishing early, so no need to handle | |
11599 | * reset here. | |
11600 | */ | |
11601 | return intel_crtc_get_vblank_counter(crtc) != work->flip_queued_vblank; | |
6b95a207 KH |
11602 | } |
11603 | ||
51cbaf01 ML |
11604 | |
11605 | static bool pageflip_finished(struct intel_crtc *crtc, | |
11606 | struct intel_flip_work *work) | |
11607 | { | |
11608 | if (!atomic_read(&work->pending)) | |
11609 | return false; | |
11610 | ||
11611 | smp_rmb(); | |
11612 | ||
5a21b665 DV |
11613 | if (is_mmio_work(work)) |
11614 | return __pageflip_finished_mmio(crtc, work); | |
11615 | else | |
11616 | return __pageflip_finished_cs(crtc, work); | |
11617 | } | |
11618 | ||
11619 | void intel_finish_page_flip_cs(struct drm_i915_private *dev_priv, int pipe) | |
11620 | { | |
91c8a326 | 11621 | struct drm_device *dev = &dev_priv->drm; |
5a21b665 DV |
11622 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
11623 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
11624 | struct intel_flip_work *work; | |
11625 | unsigned long flags; | |
11626 | ||
11627 | /* Ignore early vblank irqs */ | |
11628 | if (!crtc) | |
11629 | return; | |
11630 | ||
51cbaf01 | 11631 | /* |
5a21b665 DV |
11632 | * This is called both by irq handlers and the reset code (to complete |
11633 | * lost pageflips) so needs the full irqsave spinlocks. | |
51cbaf01 | 11634 | */ |
5a21b665 DV |
11635 | spin_lock_irqsave(&dev->event_lock, flags); |
11636 | work = intel_crtc->flip_work; | |
11637 | ||
11638 | if (work != NULL && | |
11639 | !is_mmio_work(work) && | |
11640 | pageflip_finished(intel_crtc, work)) | |
11641 | page_flip_completed(intel_crtc); | |
11642 | ||
11643 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
75f7f3ec VS |
11644 | } |
11645 | ||
51cbaf01 | 11646 | void intel_finish_page_flip_mmio(struct drm_i915_private *dev_priv, int pipe) |
6b95a207 | 11647 | { |
91c8a326 | 11648 | struct drm_device *dev = &dev_priv->drm; |
5251f04e ML |
11649 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
11650 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
51cbaf01 | 11651 | struct intel_flip_work *work; |
6b95a207 KH |
11652 | unsigned long flags; |
11653 | ||
5251f04e ML |
11654 | /* Ignore early vblank irqs */ |
11655 | if (!crtc) | |
11656 | return; | |
f326038a DV |
11657 | |
11658 | /* | |
11659 | * This is called both by irq handlers and the reset code (to complete | |
11660 | * lost pageflips) so needs the full irqsave spinlocks. | |
e7d841ca | 11661 | */ |
6b95a207 | 11662 | spin_lock_irqsave(&dev->event_lock, flags); |
5a21b665 | 11663 | work = intel_crtc->flip_work; |
5251f04e | 11664 | |
5a21b665 DV |
11665 | if (work != NULL && |
11666 | is_mmio_work(work) && | |
11667 | pageflip_finished(intel_crtc, work)) | |
11668 | page_flip_completed(intel_crtc); | |
5251f04e | 11669 | |
6b95a207 KH |
11670 | spin_unlock_irqrestore(&dev->event_lock, flags); |
11671 | } | |
11672 | ||
5a21b665 DV |
11673 | static inline void intel_mark_page_flip_active(struct intel_crtc *crtc, |
11674 | struct intel_flip_work *work) | |
84c33a64 | 11675 | { |
5a21b665 | 11676 | work->flip_queued_vblank = intel_crtc_get_vblank_counter(crtc); |
84c33a64 | 11677 | |
5a21b665 DV |
11678 | /* Ensure that the work item is consistent when activating it ... */ |
11679 | smp_mb__before_atomic(); | |
11680 | atomic_set(&work->pending, 1); | |
11681 | } | |
a6747b73 | 11682 | |
5a21b665 DV |
11683 | static int intel_gen2_queue_flip(struct drm_device *dev, |
11684 | struct drm_crtc *crtc, | |
11685 | struct drm_framebuffer *fb, | |
11686 | struct drm_i915_gem_object *obj, | |
11687 | struct drm_i915_gem_request *req, | |
11688 | uint32_t flags) | |
11689 | { | |
7e37f889 | 11690 | struct intel_ring *ring = req->ring; |
5a21b665 DV |
11691 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
11692 | u32 flip_mask; | |
11693 | int ret; | |
143f73b3 | 11694 | |
5a21b665 DV |
11695 | ret = intel_ring_begin(req, 6); |
11696 | if (ret) | |
11697 | return ret; | |
143f73b3 | 11698 | |
5a21b665 DV |
11699 | /* Can't queue multiple flips, so wait for the previous |
11700 | * one to finish before executing the next. | |
11701 | */ | |
11702 | if (intel_crtc->plane) | |
11703 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
11704 | else | |
11705 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
b5321f30 CW |
11706 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
11707 | intel_ring_emit(ring, MI_NOOP); | |
11708 | intel_ring_emit(ring, MI_DISPLAY_FLIP | | |
5a21b665 | 11709 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
b5321f30 CW |
11710 | intel_ring_emit(ring, fb->pitches[0]); |
11711 | intel_ring_emit(ring, intel_crtc->flip_work->gtt_offset); | |
11712 | intel_ring_emit(ring, 0); /* aux display base address, unused */ | |
143f73b3 | 11713 | |
5a21b665 DV |
11714 | return 0; |
11715 | } | |
84c33a64 | 11716 | |
5a21b665 DV |
11717 | static int intel_gen3_queue_flip(struct drm_device *dev, |
11718 | struct drm_crtc *crtc, | |
11719 | struct drm_framebuffer *fb, | |
11720 | struct drm_i915_gem_object *obj, | |
11721 | struct drm_i915_gem_request *req, | |
11722 | uint32_t flags) | |
11723 | { | |
7e37f889 | 11724 | struct intel_ring *ring = req->ring; |
5a21b665 DV |
11725 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
11726 | u32 flip_mask; | |
11727 | int ret; | |
d55dbd06 | 11728 | |
5a21b665 DV |
11729 | ret = intel_ring_begin(req, 6); |
11730 | if (ret) | |
11731 | return ret; | |
d55dbd06 | 11732 | |
5a21b665 DV |
11733 | if (intel_crtc->plane) |
11734 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
11735 | else | |
11736 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
b5321f30 CW |
11737 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
11738 | intel_ring_emit(ring, MI_NOOP); | |
11739 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | | |
5a21b665 | 11740 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
b5321f30 CW |
11741 | intel_ring_emit(ring, fb->pitches[0]); |
11742 | intel_ring_emit(ring, intel_crtc->flip_work->gtt_offset); | |
11743 | intel_ring_emit(ring, MI_NOOP); | |
fd8e058a | 11744 | |
5a21b665 DV |
11745 | return 0; |
11746 | } | |
84c33a64 | 11747 | |
5a21b665 DV |
11748 | static int intel_gen4_queue_flip(struct drm_device *dev, |
11749 | struct drm_crtc *crtc, | |
11750 | struct drm_framebuffer *fb, | |
11751 | struct drm_i915_gem_object *obj, | |
11752 | struct drm_i915_gem_request *req, | |
11753 | uint32_t flags) | |
11754 | { | |
7e37f889 | 11755 | struct intel_ring *ring = req->ring; |
fac5e23e | 11756 | struct drm_i915_private *dev_priv = to_i915(dev); |
5a21b665 DV |
11757 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
11758 | uint32_t pf, pipesrc; | |
11759 | int ret; | |
143f73b3 | 11760 | |
5a21b665 DV |
11761 | ret = intel_ring_begin(req, 4); |
11762 | if (ret) | |
11763 | return ret; | |
143f73b3 | 11764 | |
5a21b665 DV |
11765 | /* i965+ uses the linear or tiled offsets from the |
11766 | * Display Registers (which do not change across a page-flip) | |
11767 | * so we need only reprogram the base address. | |
11768 | */ | |
b5321f30 | 11769 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
5a21b665 | 11770 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
b5321f30 CW |
11771 | intel_ring_emit(ring, fb->pitches[0]); |
11772 | intel_ring_emit(ring, intel_crtc->flip_work->gtt_offset | | |
72618ebf | 11773 | intel_fb_modifier_to_tiling(fb->modifier[0])); |
5a21b665 DV |
11774 | |
11775 | /* XXX Enabling the panel-fitter across page-flip is so far | |
11776 | * untested on non-native modes, so ignore it for now. | |
11777 | * pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE; | |
11778 | */ | |
11779 | pf = 0; | |
11780 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; | |
b5321f30 | 11781 | intel_ring_emit(ring, pf | pipesrc); |
143f73b3 | 11782 | |
5a21b665 | 11783 | return 0; |
8c9f3aaf JB |
11784 | } |
11785 | ||
5a21b665 DV |
11786 | static int intel_gen6_queue_flip(struct drm_device *dev, |
11787 | struct drm_crtc *crtc, | |
11788 | struct drm_framebuffer *fb, | |
11789 | struct drm_i915_gem_object *obj, | |
11790 | struct drm_i915_gem_request *req, | |
11791 | uint32_t flags) | |
da20eabd | 11792 | { |
7e37f889 | 11793 | struct intel_ring *ring = req->ring; |
fac5e23e | 11794 | struct drm_i915_private *dev_priv = to_i915(dev); |
5a21b665 DV |
11795 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
11796 | uint32_t pf, pipesrc; | |
11797 | int ret; | |
d21fbe87 | 11798 | |
5a21b665 DV |
11799 | ret = intel_ring_begin(req, 4); |
11800 | if (ret) | |
11801 | return ret; | |
92826fcd | 11802 | |
b5321f30 | 11803 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
5a21b665 | 11804 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
72618ebf VS |
11805 | intel_ring_emit(ring, fb->pitches[0] | |
11806 | intel_fb_modifier_to_tiling(fb->modifier[0])); | |
b5321f30 | 11807 | intel_ring_emit(ring, intel_crtc->flip_work->gtt_offset); |
92826fcd | 11808 | |
5a21b665 DV |
11809 | /* Contrary to the suggestions in the documentation, |
11810 | * "Enable Panel Fitter" does not seem to be required when page | |
11811 | * flipping with a non-native mode, and worse causes a normal | |
11812 | * modeset to fail. | |
11813 | * pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE; | |
11814 | */ | |
11815 | pf = 0; | |
11816 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; | |
b5321f30 | 11817 | intel_ring_emit(ring, pf | pipesrc); |
7809e5ae | 11818 | |
5a21b665 | 11819 | return 0; |
7809e5ae MR |
11820 | } |
11821 | ||
5a21b665 DV |
11822 | static int intel_gen7_queue_flip(struct drm_device *dev, |
11823 | struct drm_crtc *crtc, | |
11824 | struct drm_framebuffer *fb, | |
11825 | struct drm_i915_gem_object *obj, | |
11826 | struct drm_i915_gem_request *req, | |
11827 | uint32_t flags) | |
d21fbe87 | 11828 | { |
7e37f889 | 11829 | struct intel_ring *ring = req->ring; |
5a21b665 DV |
11830 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
11831 | uint32_t plane_bit = 0; | |
11832 | int len, ret; | |
d21fbe87 | 11833 | |
5a21b665 DV |
11834 | switch (intel_crtc->plane) { |
11835 | case PLANE_A: | |
11836 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_A; | |
11837 | break; | |
11838 | case PLANE_B: | |
11839 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_B; | |
11840 | break; | |
11841 | case PLANE_C: | |
11842 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_C; | |
11843 | break; | |
11844 | default: | |
11845 | WARN_ONCE(1, "unknown plane in flip command\n"); | |
11846 | return -ENODEV; | |
11847 | } | |
11848 | ||
11849 | len = 4; | |
b5321f30 | 11850 | if (req->engine->id == RCS) { |
5a21b665 DV |
11851 | len += 6; |
11852 | /* | |
11853 | * On Gen 8, SRM is now taking an extra dword to accommodate | |
11854 | * 48bits addresses, and we need a NOOP for the batch size to | |
11855 | * stay even. | |
11856 | */ | |
11857 | if (IS_GEN8(dev)) | |
11858 | len += 2; | |
11859 | } | |
11860 | ||
11861 | /* | |
11862 | * BSpec MI_DISPLAY_FLIP for IVB: | |
11863 | * "The full packet must be contained within the same cache line." | |
11864 | * | |
11865 | * Currently the LRI+SRM+MI_DISPLAY_FLIP all fit within the same | |
11866 | * cacheline, if we ever start emitting more commands before | |
11867 | * the MI_DISPLAY_FLIP we may need to first emit everything else, | |
11868 | * then do the cacheline alignment, and finally emit the | |
11869 | * MI_DISPLAY_FLIP. | |
11870 | */ | |
11871 | ret = intel_ring_cacheline_align(req); | |
11872 | if (ret) | |
11873 | return ret; | |
11874 | ||
11875 | ret = intel_ring_begin(req, len); | |
11876 | if (ret) | |
11877 | return ret; | |
11878 | ||
11879 | /* Unmask the flip-done completion message. Note that the bspec says that | |
11880 | * we should do this for both the BCS and RCS, and that we must not unmask | |
11881 | * more than one flip event at any time (or ensure that one flip message | |
11882 | * can be sent by waiting for flip-done prior to queueing new flips). | |
11883 | * Experimentation says that BCS works despite DERRMR masking all | |
11884 | * flip-done completion events and that unmasking all planes at once | |
11885 | * for the RCS also doesn't appear to drop events. Setting the DERRMR | |
11886 | * to zero does lead to lockups within MI_DISPLAY_FLIP. | |
11887 | */ | |
b5321f30 CW |
11888 | if (req->engine->id == RCS) { |
11889 | intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1)); | |
11890 | intel_ring_emit_reg(ring, DERRMR); | |
11891 | intel_ring_emit(ring, ~(DERRMR_PIPEA_PRI_FLIP_DONE | | |
5a21b665 DV |
11892 | DERRMR_PIPEB_PRI_FLIP_DONE | |
11893 | DERRMR_PIPEC_PRI_FLIP_DONE)); | |
11894 | if (IS_GEN8(dev)) | |
b5321f30 | 11895 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM_GEN8 | |
5a21b665 DV |
11896 | MI_SRM_LRM_GLOBAL_GTT); |
11897 | else | |
b5321f30 | 11898 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM | |
5a21b665 | 11899 | MI_SRM_LRM_GLOBAL_GTT); |
b5321f30 | 11900 | intel_ring_emit_reg(ring, DERRMR); |
bde13ebd CW |
11901 | intel_ring_emit(ring, |
11902 | i915_ggtt_offset(req->engine->scratch) + 256); | |
5a21b665 | 11903 | if (IS_GEN8(dev)) { |
b5321f30 CW |
11904 | intel_ring_emit(ring, 0); |
11905 | intel_ring_emit(ring, MI_NOOP); | |
5a21b665 DV |
11906 | } |
11907 | } | |
11908 | ||
b5321f30 | 11909 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit); |
72618ebf VS |
11910 | intel_ring_emit(ring, fb->pitches[0] | |
11911 | intel_fb_modifier_to_tiling(fb->modifier[0])); | |
b5321f30 CW |
11912 | intel_ring_emit(ring, intel_crtc->flip_work->gtt_offset); |
11913 | intel_ring_emit(ring, (MI_NOOP)); | |
5a21b665 DV |
11914 | |
11915 | return 0; | |
11916 | } | |
11917 | ||
11918 | static bool use_mmio_flip(struct intel_engine_cs *engine, | |
11919 | struct drm_i915_gem_object *obj) | |
11920 | { | |
c37efb99 CW |
11921 | struct reservation_object *resv; |
11922 | ||
5a21b665 DV |
11923 | /* |
11924 | * This is not being used for older platforms, because | |
11925 | * non-availability of flip done interrupt forces us to use | |
11926 | * CS flips. Older platforms derive flip done using some clever | |
11927 | * tricks involving the flip_pending status bits and vblank irqs. | |
11928 | * So using MMIO flips there would disrupt this mechanism. | |
11929 | */ | |
11930 | ||
11931 | if (engine == NULL) | |
11932 | return true; | |
11933 | ||
11934 | if (INTEL_GEN(engine->i915) < 5) | |
11935 | return false; | |
11936 | ||
11937 | if (i915.use_mmio_flip < 0) | |
11938 | return false; | |
11939 | else if (i915.use_mmio_flip > 0) | |
11940 | return true; | |
11941 | else if (i915.enable_execlists) | |
11942 | return true; | |
c37efb99 CW |
11943 | |
11944 | resv = i915_gem_object_get_dmabuf_resv(obj); | |
11945 | if (resv && !reservation_object_test_signaled_rcu(resv, false)) | |
5a21b665 | 11946 | return true; |
c37efb99 | 11947 | |
d72d908b CW |
11948 | return engine != i915_gem_active_get_engine(&obj->last_write, |
11949 | &obj->base.dev->struct_mutex); | |
5a21b665 DV |
11950 | } |
11951 | ||
11952 | static void skl_do_mmio_flip(struct intel_crtc *intel_crtc, | |
11953 | unsigned int rotation, | |
11954 | struct intel_flip_work *work) | |
11955 | { | |
11956 | struct drm_device *dev = intel_crtc->base.dev; | |
fac5e23e | 11957 | struct drm_i915_private *dev_priv = to_i915(dev); |
5a21b665 DV |
11958 | struct drm_framebuffer *fb = intel_crtc->base.primary->fb; |
11959 | const enum pipe pipe = intel_crtc->pipe; | |
d2196774 | 11960 | u32 ctl, stride = skl_plane_stride(fb, 0, rotation); |
5a21b665 DV |
11961 | |
11962 | ctl = I915_READ(PLANE_CTL(pipe, 0)); | |
11963 | ctl &= ~PLANE_CTL_TILED_MASK; | |
11964 | switch (fb->modifier[0]) { | |
11965 | case DRM_FORMAT_MOD_NONE: | |
11966 | break; | |
11967 | case I915_FORMAT_MOD_X_TILED: | |
11968 | ctl |= PLANE_CTL_TILED_X; | |
11969 | break; | |
11970 | case I915_FORMAT_MOD_Y_TILED: | |
11971 | ctl |= PLANE_CTL_TILED_Y; | |
11972 | break; | |
11973 | case I915_FORMAT_MOD_Yf_TILED: | |
11974 | ctl |= PLANE_CTL_TILED_YF; | |
11975 | break; | |
11976 | default: | |
11977 | MISSING_CASE(fb->modifier[0]); | |
11978 | } | |
11979 | ||
5a21b665 DV |
11980 | /* |
11981 | * Both PLANE_CTL and PLANE_STRIDE are not updated on vblank but on | |
11982 | * PLANE_SURF updates, the update is then guaranteed to be atomic. | |
11983 | */ | |
11984 | I915_WRITE(PLANE_CTL(pipe, 0), ctl); | |
11985 | I915_WRITE(PLANE_STRIDE(pipe, 0), stride); | |
11986 | ||
11987 | I915_WRITE(PLANE_SURF(pipe, 0), work->gtt_offset); | |
11988 | POSTING_READ(PLANE_SURF(pipe, 0)); | |
11989 | } | |
11990 | ||
11991 | static void ilk_do_mmio_flip(struct intel_crtc *intel_crtc, | |
11992 | struct intel_flip_work *work) | |
11993 | { | |
11994 | struct drm_device *dev = intel_crtc->base.dev; | |
fac5e23e | 11995 | struct drm_i915_private *dev_priv = to_i915(dev); |
72618ebf | 11996 | struct drm_framebuffer *fb = intel_crtc->base.primary->fb; |
5a21b665 DV |
11997 | i915_reg_t reg = DSPCNTR(intel_crtc->plane); |
11998 | u32 dspcntr; | |
11999 | ||
12000 | dspcntr = I915_READ(reg); | |
12001 | ||
72618ebf | 12002 | if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED) |
5a21b665 DV |
12003 | dspcntr |= DISPPLANE_TILED; |
12004 | else | |
12005 | dspcntr &= ~DISPPLANE_TILED; | |
12006 | ||
12007 | I915_WRITE(reg, dspcntr); | |
12008 | ||
12009 | I915_WRITE(DSPSURF(intel_crtc->plane), work->gtt_offset); | |
12010 | POSTING_READ(DSPSURF(intel_crtc->plane)); | |
12011 | } | |
12012 | ||
12013 | static void intel_mmio_flip_work_func(struct work_struct *w) | |
12014 | { | |
12015 | struct intel_flip_work *work = | |
12016 | container_of(w, struct intel_flip_work, mmio_work); | |
12017 | struct intel_crtc *crtc = to_intel_crtc(work->crtc); | |
12018 | struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); | |
12019 | struct intel_framebuffer *intel_fb = | |
12020 | to_intel_framebuffer(crtc->base.primary->fb); | |
12021 | struct drm_i915_gem_object *obj = intel_fb->obj; | |
c37efb99 | 12022 | struct reservation_object *resv; |
5a21b665 DV |
12023 | |
12024 | if (work->flip_queued_req) | |
776f3236 | 12025 | WARN_ON(i915_wait_request(work->flip_queued_req, |
ea746f36 | 12026 | 0, NULL, NO_WAITBOOST)); |
5a21b665 DV |
12027 | |
12028 | /* For framebuffer backed by dmabuf, wait for fence */ | |
c37efb99 CW |
12029 | resv = i915_gem_object_get_dmabuf_resv(obj); |
12030 | if (resv) | |
12031 | WARN_ON(reservation_object_wait_timeout_rcu(resv, false, false, | |
5a21b665 DV |
12032 | MAX_SCHEDULE_TIMEOUT) < 0); |
12033 | ||
12034 | intel_pipe_update_start(crtc); | |
12035 | ||
12036 | if (INTEL_GEN(dev_priv) >= 9) | |
12037 | skl_do_mmio_flip(crtc, work->rotation, work); | |
12038 | else | |
12039 | /* use_mmio_flip() retricts MMIO flips to ilk+ */ | |
12040 | ilk_do_mmio_flip(crtc, work); | |
12041 | ||
12042 | intel_pipe_update_end(crtc, work); | |
12043 | } | |
12044 | ||
12045 | static int intel_default_queue_flip(struct drm_device *dev, | |
12046 | struct drm_crtc *crtc, | |
12047 | struct drm_framebuffer *fb, | |
12048 | struct drm_i915_gem_object *obj, | |
12049 | struct drm_i915_gem_request *req, | |
12050 | uint32_t flags) | |
12051 | { | |
12052 | return -ENODEV; | |
12053 | } | |
12054 | ||
12055 | static bool __pageflip_stall_check_cs(struct drm_i915_private *dev_priv, | |
12056 | struct intel_crtc *intel_crtc, | |
12057 | struct intel_flip_work *work) | |
12058 | { | |
12059 | u32 addr, vblank; | |
12060 | ||
12061 | if (!atomic_read(&work->pending)) | |
12062 | return false; | |
12063 | ||
12064 | smp_rmb(); | |
12065 | ||
12066 | vblank = intel_crtc_get_vblank_counter(intel_crtc); | |
12067 | if (work->flip_ready_vblank == 0) { | |
12068 | if (work->flip_queued_req && | |
f69a02c9 | 12069 | !i915_gem_request_completed(work->flip_queued_req)) |
5a21b665 DV |
12070 | return false; |
12071 | ||
12072 | work->flip_ready_vblank = vblank; | |
12073 | } | |
12074 | ||
12075 | if (vblank - work->flip_ready_vblank < 3) | |
12076 | return false; | |
12077 | ||
12078 | /* Potential stall - if we see that the flip has happened, | |
12079 | * assume a missed interrupt. */ | |
12080 | if (INTEL_GEN(dev_priv) >= 4) | |
12081 | addr = I915_HI_DISPBASE(I915_READ(DSPSURF(intel_crtc->plane))); | |
12082 | else | |
12083 | addr = I915_READ(DSPADDR(intel_crtc->plane)); | |
12084 | ||
12085 | /* There is a potential issue here with a false positive after a flip | |
12086 | * to the same address. We could address this by checking for a | |
12087 | * non-incrementing frame counter. | |
12088 | */ | |
12089 | return addr == work->gtt_offset; | |
12090 | } | |
12091 | ||
12092 | void intel_check_page_flip(struct drm_i915_private *dev_priv, int pipe) | |
12093 | { | |
91c8a326 | 12094 | struct drm_device *dev = &dev_priv->drm; |
5a21b665 DV |
12095 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
12096 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
12097 | struct intel_flip_work *work; | |
12098 | ||
12099 | WARN_ON(!in_interrupt()); | |
12100 | ||
12101 | if (crtc == NULL) | |
12102 | return; | |
12103 | ||
12104 | spin_lock(&dev->event_lock); | |
12105 | work = intel_crtc->flip_work; | |
12106 | ||
12107 | if (work != NULL && !is_mmio_work(work) && | |
12108 | __pageflip_stall_check_cs(dev_priv, intel_crtc, work)) { | |
12109 | WARN_ONCE(1, | |
12110 | "Kicking stuck page flip: queued at %d, now %d\n", | |
12111 | work->flip_queued_vblank, intel_crtc_get_vblank_counter(intel_crtc)); | |
12112 | page_flip_completed(intel_crtc); | |
12113 | work = NULL; | |
12114 | } | |
12115 | ||
12116 | if (work != NULL && !is_mmio_work(work) && | |
12117 | intel_crtc_get_vblank_counter(intel_crtc) - work->flip_queued_vblank > 1) | |
12118 | intel_queue_rps_boost_for_request(work->flip_queued_req); | |
12119 | spin_unlock(&dev->event_lock); | |
12120 | } | |
12121 | ||
12122 | static int intel_crtc_page_flip(struct drm_crtc *crtc, | |
12123 | struct drm_framebuffer *fb, | |
12124 | struct drm_pending_vblank_event *event, | |
12125 | uint32_t page_flip_flags) | |
12126 | { | |
12127 | struct drm_device *dev = crtc->dev; | |
fac5e23e | 12128 | struct drm_i915_private *dev_priv = to_i915(dev); |
5a21b665 DV |
12129 | struct drm_framebuffer *old_fb = crtc->primary->fb; |
12130 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); | |
12131 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
12132 | struct drm_plane *primary = crtc->primary; | |
12133 | enum pipe pipe = intel_crtc->pipe; | |
12134 | struct intel_flip_work *work; | |
12135 | struct intel_engine_cs *engine; | |
12136 | bool mmio_flip; | |
8e637178 | 12137 | struct drm_i915_gem_request *request; |
058d88c4 | 12138 | struct i915_vma *vma; |
5a21b665 DV |
12139 | int ret; |
12140 | ||
12141 | /* | |
12142 | * drm_mode_page_flip_ioctl() should already catch this, but double | |
12143 | * check to be safe. In the future we may enable pageflipping from | |
12144 | * a disabled primary plane. | |
12145 | */ | |
12146 | if (WARN_ON(intel_fb_obj(old_fb) == NULL)) | |
12147 | return -EBUSY; | |
12148 | ||
12149 | /* Can't change pixel format via MI display flips. */ | |
12150 | if (fb->pixel_format != crtc->primary->fb->pixel_format) | |
12151 | return -EINVAL; | |
12152 | ||
12153 | /* | |
12154 | * TILEOFF/LINOFF registers can't be changed via MI display flips. | |
12155 | * Note that pitch changes could also affect these register. | |
12156 | */ | |
12157 | if (INTEL_INFO(dev)->gen > 3 && | |
12158 | (fb->offsets[0] != crtc->primary->fb->offsets[0] || | |
12159 | fb->pitches[0] != crtc->primary->fb->pitches[0])) | |
12160 | return -EINVAL; | |
12161 | ||
12162 | if (i915_terminally_wedged(&dev_priv->gpu_error)) | |
12163 | goto out_hang; | |
12164 | ||
12165 | work = kzalloc(sizeof(*work), GFP_KERNEL); | |
12166 | if (work == NULL) | |
12167 | return -ENOMEM; | |
12168 | ||
12169 | work->event = event; | |
12170 | work->crtc = crtc; | |
12171 | work->old_fb = old_fb; | |
12172 | INIT_WORK(&work->unpin_work, intel_unpin_work_fn); | |
12173 | ||
12174 | ret = drm_crtc_vblank_get(crtc); | |
12175 | if (ret) | |
12176 | goto free_work; | |
12177 | ||
12178 | /* We borrow the event spin lock for protecting flip_work */ | |
12179 | spin_lock_irq(&dev->event_lock); | |
12180 | if (intel_crtc->flip_work) { | |
12181 | /* Before declaring the flip queue wedged, check if | |
12182 | * the hardware completed the operation behind our backs. | |
12183 | */ | |
12184 | if (pageflip_finished(intel_crtc, intel_crtc->flip_work)) { | |
12185 | DRM_DEBUG_DRIVER("flip queue: previous flip completed, continuing\n"); | |
12186 | page_flip_completed(intel_crtc); | |
12187 | } else { | |
12188 | DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); | |
12189 | spin_unlock_irq(&dev->event_lock); | |
12190 | ||
12191 | drm_crtc_vblank_put(crtc); | |
12192 | kfree(work); | |
12193 | return -EBUSY; | |
12194 | } | |
12195 | } | |
12196 | intel_crtc->flip_work = work; | |
12197 | spin_unlock_irq(&dev->event_lock); | |
12198 | ||
12199 | if (atomic_read(&intel_crtc->unpin_work_count) >= 2) | |
12200 | flush_workqueue(dev_priv->wq); | |
12201 | ||
12202 | /* Reference the objects for the scheduled work. */ | |
12203 | drm_framebuffer_reference(work->old_fb); | |
5a21b665 DV |
12204 | |
12205 | crtc->primary->fb = fb; | |
12206 | update_state_fb(crtc->primary); | |
faf68d92 | 12207 | |
25dc556a | 12208 | work->pending_flip_obj = i915_gem_object_get(obj); |
5a21b665 DV |
12209 | |
12210 | ret = i915_mutex_lock_interruptible(dev); | |
12211 | if (ret) | |
12212 | goto cleanup; | |
12213 | ||
8af29b0c CW |
12214 | intel_crtc->reset_count = i915_reset_count(&dev_priv->gpu_error); |
12215 | if (i915_reset_in_progress_or_wedged(&dev_priv->gpu_error)) { | |
5a21b665 DV |
12216 | ret = -EIO; |
12217 | goto cleanup; | |
12218 | } | |
12219 | ||
12220 | atomic_inc(&intel_crtc->unpin_work_count); | |
12221 | ||
12222 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) | |
12223 | work->flip_count = I915_READ(PIPE_FLIPCOUNT_G4X(pipe)) + 1; | |
12224 | ||
12225 | if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { | |
12226 | engine = &dev_priv->engine[BCS]; | |
72618ebf | 12227 | if (fb->modifier[0] != old_fb->modifier[0]) |
5a21b665 DV |
12228 | /* vlv: DISPLAY_FLIP fails to change tiling */ |
12229 | engine = NULL; | |
12230 | } else if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) { | |
12231 | engine = &dev_priv->engine[BCS]; | |
12232 | } else if (INTEL_INFO(dev)->gen >= 7) { | |
d72d908b CW |
12233 | engine = i915_gem_active_get_engine(&obj->last_write, |
12234 | &obj->base.dev->struct_mutex); | |
5a21b665 DV |
12235 | if (engine == NULL || engine->id != RCS) |
12236 | engine = &dev_priv->engine[BCS]; | |
12237 | } else { | |
12238 | engine = &dev_priv->engine[RCS]; | |
12239 | } | |
12240 | ||
12241 | mmio_flip = use_mmio_flip(engine, obj); | |
12242 | ||
058d88c4 CW |
12243 | vma = intel_pin_and_fence_fb_obj(fb, primary->state->rotation); |
12244 | if (IS_ERR(vma)) { | |
12245 | ret = PTR_ERR(vma); | |
5a21b665 | 12246 | goto cleanup_pending; |
058d88c4 | 12247 | } |
5a21b665 | 12248 | |
6687c906 | 12249 | work->gtt_offset = intel_fb_gtt_offset(fb, primary->state->rotation); |
5a21b665 DV |
12250 | work->gtt_offset += intel_crtc->dspaddr_offset; |
12251 | work->rotation = crtc->primary->state->rotation; | |
12252 | ||
1f061316 PZ |
12253 | /* |
12254 | * There's the potential that the next frame will not be compatible with | |
12255 | * FBC, so we want to call pre_update() before the actual page flip. | |
12256 | * The problem is that pre_update() caches some information about the fb | |
12257 | * object, so we want to do this only after the object is pinned. Let's | |
12258 | * be on the safe side and do this immediately before scheduling the | |
12259 | * flip. | |
12260 | */ | |
12261 | intel_fbc_pre_update(intel_crtc, intel_crtc->config, | |
12262 | to_intel_plane_state(primary->state)); | |
12263 | ||
5a21b665 DV |
12264 | if (mmio_flip) { |
12265 | INIT_WORK(&work->mmio_work, intel_mmio_flip_work_func); | |
12266 | ||
d72d908b CW |
12267 | work->flip_queued_req = i915_gem_active_get(&obj->last_write, |
12268 | &obj->base.dev->struct_mutex); | |
5a21b665 DV |
12269 | schedule_work(&work->mmio_work); |
12270 | } else { | |
8e637178 CW |
12271 | request = i915_gem_request_alloc(engine, engine->last_context); |
12272 | if (IS_ERR(request)) { | |
12273 | ret = PTR_ERR(request); | |
12274 | goto cleanup_unpin; | |
12275 | } | |
12276 | ||
a2bc4695 | 12277 | ret = i915_gem_request_await_object(request, obj, false); |
8e637178 CW |
12278 | if (ret) |
12279 | goto cleanup_request; | |
12280 | ||
5a21b665 DV |
12281 | ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, request, |
12282 | page_flip_flags); | |
12283 | if (ret) | |
8e637178 | 12284 | goto cleanup_request; |
5a21b665 DV |
12285 | |
12286 | intel_mark_page_flip_active(intel_crtc, work); | |
12287 | ||
8e637178 | 12288 | work->flip_queued_req = i915_gem_request_get(request); |
5a21b665 DV |
12289 | i915_add_request_no_flush(request); |
12290 | } | |
12291 | ||
12292 | i915_gem_track_fb(intel_fb_obj(old_fb), obj, | |
12293 | to_intel_plane(primary)->frontbuffer_bit); | |
12294 | mutex_unlock(&dev->struct_mutex); | |
12295 | ||
5748b6a1 | 12296 | intel_frontbuffer_flip_prepare(to_i915(dev), |
5a21b665 DV |
12297 | to_intel_plane(primary)->frontbuffer_bit); |
12298 | ||
12299 | trace_i915_flip_request(intel_crtc->plane, obj); | |
12300 | ||
12301 | return 0; | |
12302 | ||
8e637178 CW |
12303 | cleanup_request: |
12304 | i915_add_request_no_flush(request); | |
5a21b665 DV |
12305 | cleanup_unpin: |
12306 | intel_unpin_fb_obj(fb, crtc->primary->state->rotation); | |
12307 | cleanup_pending: | |
5a21b665 DV |
12308 | atomic_dec(&intel_crtc->unpin_work_count); |
12309 | mutex_unlock(&dev->struct_mutex); | |
12310 | cleanup: | |
12311 | crtc->primary->fb = old_fb; | |
12312 | update_state_fb(crtc->primary); | |
12313 | ||
34911fd3 | 12314 | i915_gem_object_put_unlocked(obj); |
5a21b665 DV |
12315 | drm_framebuffer_unreference(work->old_fb); |
12316 | ||
12317 | spin_lock_irq(&dev->event_lock); | |
12318 | intel_crtc->flip_work = NULL; | |
12319 | spin_unlock_irq(&dev->event_lock); | |
12320 | ||
12321 | drm_crtc_vblank_put(crtc); | |
12322 | free_work: | |
12323 | kfree(work); | |
12324 | ||
12325 | if (ret == -EIO) { | |
12326 | struct drm_atomic_state *state; | |
12327 | struct drm_plane_state *plane_state; | |
12328 | ||
12329 | out_hang: | |
12330 | state = drm_atomic_state_alloc(dev); | |
12331 | if (!state) | |
12332 | return -ENOMEM; | |
12333 | state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc); | |
12334 | ||
12335 | retry: | |
12336 | plane_state = drm_atomic_get_plane_state(state, primary); | |
12337 | ret = PTR_ERR_OR_ZERO(plane_state); | |
12338 | if (!ret) { | |
12339 | drm_atomic_set_fb_for_plane(plane_state, fb); | |
12340 | ||
12341 | ret = drm_atomic_set_crtc_for_plane(plane_state, crtc); | |
12342 | if (!ret) | |
12343 | ret = drm_atomic_commit(state); | |
12344 | } | |
12345 | ||
12346 | if (ret == -EDEADLK) { | |
12347 | drm_modeset_backoff(state->acquire_ctx); | |
12348 | drm_atomic_state_clear(state); | |
12349 | goto retry; | |
12350 | } | |
12351 | ||
12352 | if (ret) | |
12353 | drm_atomic_state_free(state); | |
12354 | ||
12355 | if (ret == 0 && event) { | |
12356 | spin_lock_irq(&dev->event_lock); | |
12357 | drm_crtc_send_vblank_event(crtc, event); | |
12358 | spin_unlock_irq(&dev->event_lock); | |
12359 | } | |
12360 | } | |
12361 | return ret; | |
12362 | } | |
12363 | ||
12364 | ||
12365 | /** | |
12366 | * intel_wm_need_update - Check whether watermarks need updating | |
12367 | * @plane: drm plane | |
12368 | * @state: new plane state | |
12369 | * | |
12370 | * Check current plane state versus the new one to determine whether | |
12371 | * watermarks need to be recalculated. | |
12372 | * | |
12373 | * Returns true or false. | |
12374 | */ | |
12375 | static bool intel_wm_need_update(struct drm_plane *plane, | |
12376 | struct drm_plane_state *state) | |
12377 | { | |
12378 | struct intel_plane_state *new = to_intel_plane_state(state); | |
12379 | struct intel_plane_state *cur = to_intel_plane_state(plane->state); | |
12380 | ||
12381 | /* Update watermarks on tiling or size changes. */ | |
936e71e3 | 12382 | if (new->base.visible != cur->base.visible) |
5a21b665 DV |
12383 | return true; |
12384 | ||
12385 | if (!cur->base.fb || !new->base.fb) | |
12386 | return false; | |
12387 | ||
12388 | if (cur->base.fb->modifier[0] != new->base.fb->modifier[0] || | |
12389 | cur->base.rotation != new->base.rotation || | |
936e71e3 VS |
12390 | drm_rect_width(&new->base.src) != drm_rect_width(&cur->base.src) || |
12391 | drm_rect_height(&new->base.src) != drm_rect_height(&cur->base.src) || | |
12392 | drm_rect_width(&new->base.dst) != drm_rect_width(&cur->base.dst) || | |
12393 | drm_rect_height(&new->base.dst) != drm_rect_height(&cur->base.dst)) | |
5a21b665 DV |
12394 | return true; |
12395 | ||
12396 | return false; | |
12397 | } | |
12398 | ||
12399 | static bool needs_scaling(struct intel_plane_state *state) | |
12400 | { | |
936e71e3 VS |
12401 | int src_w = drm_rect_width(&state->base.src) >> 16; |
12402 | int src_h = drm_rect_height(&state->base.src) >> 16; | |
12403 | int dst_w = drm_rect_width(&state->base.dst); | |
12404 | int dst_h = drm_rect_height(&state->base.dst); | |
5a21b665 DV |
12405 | |
12406 | return (src_w != dst_w || src_h != dst_h); | |
12407 | } | |
d21fbe87 | 12408 | |
da20eabd ML |
12409 | int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state, |
12410 | struct drm_plane_state *plane_state) | |
12411 | { | |
ab1d3a0e | 12412 | struct intel_crtc_state *pipe_config = to_intel_crtc_state(crtc_state); |
da20eabd ML |
12413 | struct drm_crtc *crtc = crtc_state->crtc; |
12414 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
12415 | struct drm_plane *plane = plane_state->plane; | |
12416 | struct drm_device *dev = crtc->dev; | |
ed4a6a7c | 12417 | struct drm_i915_private *dev_priv = to_i915(dev); |
da20eabd ML |
12418 | struct intel_plane_state *old_plane_state = |
12419 | to_intel_plane_state(plane->state); | |
da20eabd ML |
12420 | bool mode_changed = needs_modeset(crtc_state); |
12421 | bool was_crtc_enabled = crtc->state->active; | |
12422 | bool is_crtc_enabled = crtc_state->active; | |
da20eabd ML |
12423 | bool turn_off, turn_on, visible, was_visible; |
12424 | struct drm_framebuffer *fb = plane_state->fb; | |
78108b7c | 12425 | int ret; |
da20eabd | 12426 | |
84114990 | 12427 | if (INTEL_GEN(dev) >= 9 && plane->type != DRM_PLANE_TYPE_CURSOR) { |
da20eabd ML |
12428 | ret = skl_update_scaler_plane( |
12429 | to_intel_crtc_state(crtc_state), | |
12430 | to_intel_plane_state(plane_state)); | |
12431 | if (ret) | |
12432 | return ret; | |
12433 | } | |
12434 | ||
936e71e3 VS |
12435 | was_visible = old_plane_state->base.visible; |
12436 | visible = to_intel_plane_state(plane_state)->base.visible; | |
da20eabd ML |
12437 | |
12438 | if (!was_crtc_enabled && WARN_ON(was_visible)) | |
12439 | was_visible = false; | |
12440 | ||
35c08f43 ML |
12441 | /* |
12442 | * Visibility is calculated as if the crtc was on, but | |
12443 | * after scaler setup everything depends on it being off | |
12444 | * when the crtc isn't active. | |
f818ffea VS |
12445 | * |
12446 | * FIXME this is wrong for watermarks. Watermarks should also | |
12447 | * be computed as if the pipe would be active. Perhaps move | |
12448 | * per-plane wm computation to the .check_plane() hook, and | |
12449 | * only combine the results from all planes in the current place? | |
35c08f43 ML |
12450 | */ |
12451 | if (!is_crtc_enabled) | |
936e71e3 | 12452 | to_intel_plane_state(plane_state)->base.visible = visible = false; |
da20eabd ML |
12453 | |
12454 | if (!was_visible && !visible) | |
12455 | return 0; | |
12456 | ||
e8861675 ML |
12457 | if (fb != old_plane_state->base.fb) |
12458 | pipe_config->fb_changed = true; | |
12459 | ||
da20eabd ML |
12460 | turn_off = was_visible && (!visible || mode_changed); |
12461 | turn_on = visible && (!was_visible || mode_changed); | |
12462 | ||
72660ce0 | 12463 | DRM_DEBUG_ATOMIC("[CRTC:%d:%s] has [PLANE:%d:%s] with fb %i\n", |
78108b7c VS |
12464 | intel_crtc->base.base.id, |
12465 | intel_crtc->base.name, | |
72660ce0 VS |
12466 | plane->base.id, plane->name, |
12467 | fb ? fb->base.id : -1); | |
da20eabd | 12468 | |
72660ce0 VS |
12469 | DRM_DEBUG_ATOMIC("[PLANE:%d:%s] visible %i -> %i, off %i, on %i, ms %i\n", |
12470 | plane->base.id, plane->name, | |
12471 | was_visible, visible, | |
da20eabd ML |
12472 | turn_off, turn_on, mode_changed); |
12473 | ||
caed361d VS |
12474 | if (turn_on) { |
12475 | pipe_config->update_wm_pre = true; | |
12476 | ||
12477 | /* must disable cxsr around plane enable/disable */ | |
12478 | if (plane->type != DRM_PLANE_TYPE_CURSOR) | |
12479 | pipe_config->disable_cxsr = true; | |
12480 | } else if (turn_off) { | |
12481 | pipe_config->update_wm_post = true; | |
92826fcd | 12482 | |
852eb00d | 12483 | /* must disable cxsr around plane enable/disable */ |
e8861675 | 12484 | if (plane->type != DRM_PLANE_TYPE_CURSOR) |
ab1d3a0e | 12485 | pipe_config->disable_cxsr = true; |
852eb00d | 12486 | } else if (intel_wm_need_update(plane, plane_state)) { |
caed361d VS |
12487 | /* FIXME bollocks */ |
12488 | pipe_config->update_wm_pre = true; | |
12489 | pipe_config->update_wm_post = true; | |
852eb00d | 12490 | } |
da20eabd | 12491 | |
ed4a6a7c | 12492 | /* Pre-gen9 platforms need two-step watermark updates */ |
caed361d VS |
12493 | if ((pipe_config->update_wm_pre || pipe_config->update_wm_post) && |
12494 | INTEL_INFO(dev)->gen < 9 && dev_priv->display.optimize_watermarks) | |
ed4a6a7c MR |
12495 | to_intel_crtc_state(crtc_state)->wm.need_postvbl_update = true; |
12496 | ||
8be6ca85 | 12497 | if (visible || was_visible) |
cd202f69 | 12498 | pipe_config->fb_bits |= to_intel_plane(plane)->frontbuffer_bit; |
a9ff8714 | 12499 | |
31ae71fc ML |
12500 | /* |
12501 | * WaCxSRDisabledForSpriteScaling:ivb | |
12502 | * | |
12503 | * cstate->update_wm was already set above, so this flag will | |
12504 | * take effect when we commit and program watermarks. | |
12505 | */ | |
12506 | if (plane->type == DRM_PLANE_TYPE_OVERLAY && IS_IVYBRIDGE(dev) && | |
12507 | needs_scaling(to_intel_plane_state(plane_state)) && | |
12508 | !needs_scaling(old_plane_state)) | |
12509 | pipe_config->disable_lp_wm = true; | |
d21fbe87 | 12510 | |
da20eabd ML |
12511 | return 0; |
12512 | } | |
12513 | ||
6d3a1ce7 ML |
12514 | static bool encoders_cloneable(const struct intel_encoder *a, |
12515 | const struct intel_encoder *b) | |
12516 | { | |
12517 | /* masks could be asymmetric, so check both ways */ | |
12518 | return a == b || (a->cloneable & (1 << b->type) && | |
12519 | b->cloneable & (1 << a->type)); | |
12520 | } | |
12521 | ||
12522 | static bool check_single_encoder_cloning(struct drm_atomic_state *state, | |
12523 | struct intel_crtc *crtc, | |
12524 | struct intel_encoder *encoder) | |
12525 | { | |
12526 | struct intel_encoder *source_encoder; | |
12527 | struct drm_connector *connector; | |
12528 | struct drm_connector_state *connector_state; | |
12529 | int i; | |
12530 | ||
12531 | for_each_connector_in_state(state, connector, connector_state, i) { | |
12532 | if (connector_state->crtc != &crtc->base) | |
12533 | continue; | |
12534 | ||
12535 | source_encoder = | |
12536 | to_intel_encoder(connector_state->best_encoder); | |
12537 | if (!encoders_cloneable(encoder, source_encoder)) | |
12538 | return false; | |
12539 | } | |
12540 | ||
12541 | return true; | |
12542 | } | |
12543 | ||
6d3a1ce7 ML |
12544 | static int intel_crtc_atomic_check(struct drm_crtc *crtc, |
12545 | struct drm_crtc_state *crtc_state) | |
12546 | { | |
cf5a15be | 12547 | struct drm_device *dev = crtc->dev; |
fac5e23e | 12548 | struct drm_i915_private *dev_priv = to_i915(dev); |
6d3a1ce7 | 12549 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
cf5a15be ML |
12550 | struct intel_crtc_state *pipe_config = |
12551 | to_intel_crtc_state(crtc_state); | |
6d3a1ce7 | 12552 | struct drm_atomic_state *state = crtc_state->state; |
4d20cd86 | 12553 | int ret; |
6d3a1ce7 ML |
12554 | bool mode_changed = needs_modeset(crtc_state); |
12555 | ||
852eb00d | 12556 | if (mode_changed && !crtc_state->active) |
caed361d | 12557 | pipe_config->update_wm_post = true; |
eddfcbcd | 12558 | |
ad421372 ML |
12559 | if (mode_changed && crtc_state->enable && |
12560 | dev_priv->display.crtc_compute_clock && | |
8106ddbd | 12561 | !WARN_ON(pipe_config->shared_dpll)) { |
ad421372 ML |
12562 | ret = dev_priv->display.crtc_compute_clock(intel_crtc, |
12563 | pipe_config); | |
12564 | if (ret) | |
12565 | return ret; | |
12566 | } | |
12567 | ||
82cf435b LL |
12568 | if (crtc_state->color_mgmt_changed) { |
12569 | ret = intel_color_check(crtc, crtc_state); | |
12570 | if (ret) | |
12571 | return ret; | |
e7852a4b LL |
12572 | |
12573 | /* | |
12574 | * Changing color management on Intel hardware is | |
12575 | * handled as part of planes update. | |
12576 | */ | |
12577 | crtc_state->planes_changed = true; | |
82cf435b LL |
12578 | } |
12579 | ||
e435d6e5 | 12580 | ret = 0; |
86c8bbbe | 12581 | if (dev_priv->display.compute_pipe_wm) { |
e3bddded | 12582 | ret = dev_priv->display.compute_pipe_wm(pipe_config); |
ed4a6a7c MR |
12583 | if (ret) { |
12584 | DRM_DEBUG_KMS("Target pipe watermarks are invalid\n"); | |
12585 | return ret; | |
12586 | } | |
12587 | } | |
12588 | ||
12589 | if (dev_priv->display.compute_intermediate_wm && | |
12590 | !to_intel_atomic_state(state)->skip_intermediate_wm) { | |
12591 | if (WARN_ON(!dev_priv->display.compute_pipe_wm)) | |
12592 | return 0; | |
12593 | ||
12594 | /* | |
12595 | * Calculate 'intermediate' watermarks that satisfy both the | |
12596 | * old state and the new state. We can program these | |
12597 | * immediately. | |
12598 | */ | |
12599 | ret = dev_priv->display.compute_intermediate_wm(crtc->dev, | |
12600 | intel_crtc, | |
12601 | pipe_config); | |
12602 | if (ret) { | |
12603 | DRM_DEBUG_KMS("No valid intermediate pipe watermarks are possible\n"); | |
86c8bbbe | 12604 | return ret; |
ed4a6a7c | 12605 | } |
e3d5457c VS |
12606 | } else if (dev_priv->display.compute_intermediate_wm) { |
12607 | if (HAS_PCH_SPLIT(dev_priv) && INTEL_GEN(dev_priv) < 9) | |
12608 | pipe_config->wm.ilk.intermediate = pipe_config->wm.ilk.optimal; | |
86c8bbbe MR |
12609 | } |
12610 | ||
e435d6e5 ML |
12611 | if (INTEL_INFO(dev)->gen >= 9) { |
12612 | if (mode_changed) | |
12613 | ret = skl_update_scaler_crtc(pipe_config); | |
12614 | ||
12615 | if (!ret) | |
12616 | ret = intel_atomic_setup_scalers(dev, intel_crtc, | |
12617 | pipe_config); | |
12618 | } | |
12619 | ||
12620 | return ret; | |
6d3a1ce7 ML |
12621 | } |
12622 | ||
65b38e0d | 12623 | static const struct drm_crtc_helper_funcs intel_helper_funcs = { |
f6e5b160 | 12624 | .mode_set_base_atomic = intel_pipe_set_base_atomic, |
5a21b665 DV |
12625 | .atomic_begin = intel_begin_crtc_commit, |
12626 | .atomic_flush = intel_finish_crtc_commit, | |
6d3a1ce7 | 12627 | .atomic_check = intel_crtc_atomic_check, |
f6e5b160 CW |
12628 | }; |
12629 | ||
d29b2f9d ACO |
12630 | static void intel_modeset_update_connector_atomic_state(struct drm_device *dev) |
12631 | { | |
12632 | struct intel_connector *connector; | |
12633 | ||
12634 | for_each_intel_connector(dev, connector) { | |
8863dc7f DV |
12635 | if (connector->base.state->crtc) |
12636 | drm_connector_unreference(&connector->base); | |
12637 | ||
d29b2f9d ACO |
12638 | if (connector->base.encoder) { |
12639 | connector->base.state->best_encoder = | |
12640 | connector->base.encoder; | |
12641 | connector->base.state->crtc = | |
12642 | connector->base.encoder->crtc; | |
8863dc7f DV |
12643 | |
12644 | drm_connector_reference(&connector->base); | |
d29b2f9d ACO |
12645 | } else { |
12646 | connector->base.state->best_encoder = NULL; | |
12647 | connector->base.state->crtc = NULL; | |
12648 | } | |
12649 | } | |
12650 | } | |
12651 | ||
050f7aeb | 12652 | static void |
eba905b2 | 12653 | connected_sink_compute_bpp(struct intel_connector *connector, |
5cec258b | 12654 | struct intel_crtc_state *pipe_config) |
050f7aeb DV |
12655 | { |
12656 | int bpp = pipe_config->pipe_bpp; | |
12657 | ||
12658 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] checking for sink bpp constrains\n", | |
12659 | connector->base.base.id, | |
c23cc417 | 12660 | connector->base.name); |
050f7aeb DV |
12661 | |
12662 | /* Don't use an invalid EDID bpc value */ | |
12663 | if (connector->base.display_info.bpc && | |
12664 | connector->base.display_info.bpc * 3 < bpp) { | |
12665 | DRM_DEBUG_KMS("clamping display bpp (was %d) to EDID reported max of %d\n", | |
12666 | bpp, connector->base.display_info.bpc*3); | |
12667 | pipe_config->pipe_bpp = connector->base.display_info.bpc*3; | |
12668 | } | |
12669 | ||
196f954e MK |
12670 | /* Clamp bpp to 8 on screens without EDID 1.4 */ |
12671 | if (connector->base.display_info.bpc == 0 && bpp > 24) { | |
12672 | DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of 24\n", | |
12673 | bpp); | |
12674 | pipe_config->pipe_bpp = 24; | |
050f7aeb DV |
12675 | } |
12676 | } | |
12677 | ||
4e53c2e0 | 12678 | static int |
050f7aeb | 12679 | compute_baseline_pipe_bpp(struct intel_crtc *crtc, |
5cec258b | 12680 | struct intel_crtc_state *pipe_config) |
4e53c2e0 | 12681 | { |
050f7aeb | 12682 | struct drm_device *dev = crtc->base.dev; |
1486017f | 12683 | struct drm_atomic_state *state; |
da3ced29 ACO |
12684 | struct drm_connector *connector; |
12685 | struct drm_connector_state *connector_state; | |
1486017f | 12686 | int bpp, i; |
4e53c2e0 | 12687 | |
666a4537 | 12688 | if ((IS_G4X(dev) || IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev))) |
4e53c2e0 | 12689 | bpp = 10*3; |
d328c9d7 DV |
12690 | else if (INTEL_INFO(dev)->gen >= 5) |
12691 | bpp = 12*3; | |
12692 | else | |
12693 | bpp = 8*3; | |
12694 | ||
4e53c2e0 | 12695 | |
4e53c2e0 DV |
12696 | pipe_config->pipe_bpp = bpp; |
12697 | ||
1486017f ACO |
12698 | state = pipe_config->base.state; |
12699 | ||
4e53c2e0 | 12700 | /* Clamp display bpp to EDID value */ |
da3ced29 ACO |
12701 | for_each_connector_in_state(state, connector, connector_state, i) { |
12702 | if (connector_state->crtc != &crtc->base) | |
4e53c2e0 DV |
12703 | continue; |
12704 | ||
da3ced29 ACO |
12705 | connected_sink_compute_bpp(to_intel_connector(connector), |
12706 | pipe_config); | |
4e53c2e0 DV |
12707 | } |
12708 | ||
12709 | return bpp; | |
12710 | } | |
12711 | ||
644db711 DV |
12712 | static void intel_dump_crtc_timings(const struct drm_display_mode *mode) |
12713 | { | |
12714 | DRM_DEBUG_KMS("crtc timings: %d %d %d %d %d %d %d %d %d, " | |
12715 | "type: 0x%x flags: 0x%x\n", | |
1342830c | 12716 | mode->crtc_clock, |
644db711 DV |
12717 | mode->crtc_hdisplay, mode->crtc_hsync_start, |
12718 | mode->crtc_hsync_end, mode->crtc_htotal, | |
12719 | mode->crtc_vdisplay, mode->crtc_vsync_start, | |
12720 | mode->crtc_vsync_end, mode->crtc_vtotal, mode->type, mode->flags); | |
12721 | } | |
12722 | ||
c0b03411 | 12723 | static void intel_dump_pipe_config(struct intel_crtc *crtc, |
5cec258b | 12724 | struct intel_crtc_state *pipe_config, |
c0b03411 DV |
12725 | const char *context) |
12726 | { | |
6a60cd87 CK |
12727 | struct drm_device *dev = crtc->base.dev; |
12728 | struct drm_plane *plane; | |
12729 | struct intel_plane *intel_plane; | |
12730 | struct intel_plane_state *state; | |
12731 | struct drm_framebuffer *fb; | |
12732 | ||
78108b7c VS |
12733 | DRM_DEBUG_KMS("[CRTC:%d:%s]%s config %p for pipe %c\n", |
12734 | crtc->base.base.id, crtc->base.name, | |
6a60cd87 | 12735 | context, pipe_config, pipe_name(crtc->pipe)); |
c0b03411 | 12736 | |
da205630 | 12737 | DRM_DEBUG_KMS("cpu_transcoder: %s\n", transcoder_name(pipe_config->cpu_transcoder)); |
c0b03411 DV |
12738 | DRM_DEBUG_KMS("pipe bpp: %i, dithering: %i\n", |
12739 | pipe_config->pipe_bpp, pipe_config->dither); | |
12740 | DRM_DEBUG_KMS("fdi/pch: %i, lanes: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", | |
12741 | pipe_config->has_pch_encoder, | |
12742 | pipe_config->fdi_lanes, | |
12743 | pipe_config->fdi_m_n.gmch_m, pipe_config->fdi_m_n.gmch_n, | |
12744 | pipe_config->fdi_m_n.link_m, pipe_config->fdi_m_n.link_n, | |
12745 | pipe_config->fdi_m_n.tu); | |
90a6b7b0 | 12746 | DRM_DEBUG_KMS("dp: %i, lanes: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", |
37a5650b | 12747 | intel_crtc_has_dp_encoder(pipe_config), |
90a6b7b0 | 12748 | pipe_config->lane_count, |
eb14cb74 VS |
12749 | pipe_config->dp_m_n.gmch_m, pipe_config->dp_m_n.gmch_n, |
12750 | pipe_config->dp_m_n.link_m, pipe_config->dp_m_n.link_n, | |
12751 | pipe_config->dp_m_n.tu); | |
b95af8be | 12752 | |
90a6b7b0 | 12753 | DRM_DEBUG_KMS("dp: %i, lanes: %i, gmch_m2: %u, gmch_n2: %u, link_m2: %u, link_n2: %u, tu2: %u\n", |
37a5650b | 12754 | intel_crtc_has_dp_encoder(pipe_config), |
90a6b7b0 | 12755 | pipe_config->lane_count, |
b95af8be VK |
12756 | pipe_config->dp_m2_n2.gmch_m, |
12757 | pipe_config->dp_m2_n2.gmch_n, | |
12758 | pipe_config->dp_m2_n2.link_m, | |
12759 | pipe_config->dp_m2_n2.link_n, | |
12760 | pipe_config->dp_m2_n2.tu); | |
12761 | ||
55072d19 DV |
12762 | DRM_DEBUG_KMS("audio: %i, infoframes: %i\n", |
12763 | pipe_config->has_audio, | |
12764 | pipe_config->has_infoframe); | |
12765 | ||
c0b03411 | 12766 | DRM_DEBUG_KMS("requested mode:\n"); |
2d112de7 | 12767 | drm_mode_debug_printmodeline(&pipe_config->base.mode); |
c0b03411 | 12768 | DRM_DEBUG_KMS("adjusted mode:\n"); |
2d112de7 ACO |
12769 | drm_mode_debug_printmodeline(&pipe_config->base.adjusted_mode); |
12770 | intel_dump_crtc_timings(&pipe_config->base.adjusted_mode); | |
d71b8d4a | 12771 | DRM_DEBUG_KMS("port clock: %d\n", pipe_config->port_clock); |
37327abd VS |
12772 | DRM_DEBUG_KMS("pipe src size: %dx%d\n", |
12773 | pipe_config->pipe_src_w, pipe_config->pipe_src_h); | |
0ec463d3 TU |
12774 | DRM_DEBUG_KMS("num_scalers: %d, scaler_users: 0x%x, scaler_id: %d\n", |
12775 | crtc->num_scalers, | |
12776 | pipe_config->scaler_state.scaler_users, | |
12777 | pipe_config->scaler_state.scaler_id); | |
c0b03411 DV |
12778 | DRM_DEBUG_KMS("gmch pfit: control: 0x%08x, ratios: 0x%08x, lvds border: 0x%08x\n", |
12779 | pipe_config->gmch_pfit.control, | |
12780 | pipe_config->gmch_pfit.pgm_ratios, | |
12781 | pipe_config->gmch_pfit.lvds_border_bits); | |
fd4daa9c | 12782 | DRM_DEBUG_KMS("pch pfit: pos: 0x%08x, size: 0x%08x, %s\n", |
c0b03411 | 12783 | pipe_config->pch_pfit.pos, |
fd4daa9c CW |
12784 | pipe_config->pch_pfit.size, |
12785 | pipe_config->pch_pfit.enabled ? "enabled" : "disabled"); | |
42db64ef | 12786 | DRM_DEBUG_KMS("ips: %i\n", pipe_config->ips_enabled); |
cf532bb2 | 12787 | DRM_DEBUG_KMS("double wide: %i\n", pipe_config->double_wide); |
6a60cd87 | 12788 | |
415ff0f6 | 12789 | if (IS_BROXTON(dev)) { |
c856052a | 12790 | DRM_DEBUG_KMS("dpll_hw_state: ebb0: 0x%x, ebb4: 0x%x," |
415ff0f6 | 12791 | "pll0: 0x%x, pll1: 0x%x, pll2: 0x%x, pll3: 0x%x, " |
c8453338 | 12792 | "pll6: 0x%x, pll8: 0x%x, pll9: 0x%x, pll10: 0x%x, pcsdw12: 0x%x\n", |
415ff0f6 | 12793 | pipe_config->dpll_hw_state.ebb0, |
05712c15 | 12794 | pipe_config->dpll_hw_state.ebb4, |
415ff0f6 TU |
12795 | pipe_config->dpll_hw_state.pll0, |
12796 | pipe_config->dpll_hw_state.pll1, | |
12797 | pipe_config->dpll_hw_state.pll2, | |
12798 | pipe_config->dpll_hw_state.pll3, | |
12799 | pipe_config->dpll_hw_state.pll6, | |
12800 | pipe_config->dpll_hw_state.pll8, | |
05712c15 | 12801 | pipe_config->dpll_hw_state.pll9, |
c8453338 | 12802 | pipe_config->dpll_hw_state.pll10, |
415ff0f6 | 12803 | pipe_config->dpll_hw_state.pcsdw12); |
ef11bdb3 | 12804 | } else if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) { |
c856052a | 12805 | DRM_DEBUG_KMS("dpll_hw_state: " |
415ff0f6 | 12806 | "ctrl1: 0x%x, cfgcr1: 0x%x, cfgcr2: 0x%x\n", |
415ff0f6 TU |
12807 | pipe_config->dpll_hw_state.ctrl1, |
12808 | pipe_config->dpll_hw_state.cfgcr1, | |
12809 | pipe_config->dpll_hw_state.cfgcr2); | |
12810 | } else if (HAS_DDI(dev)) { | |
c856052a | 12811 | DRM_DEBUG_KMS("dpll_hw_state: wrpll: 0x%x spll: 0x%x\n", |
00490c22 ML |
12812 | pipe_config->dpll_hw_state.wrpll, |
12813 | pipe_config->dpll_hw_state.spll); | |
415ff0f6 TU |
12814 | } else { |
12815 | DRM_DEBUG_KMS("dpll_hw_state: dpll: 0x%x, dpll_md: 0x%x, " | |
12816 | "fp0: 0x%x, fp1: 0x%x\n", | |
12817 | pipe_config->dpll_hw_state.dpll, | |
12818 | pipe_config->dpll_hw_state.dpll_md, | |
12819 | pipe_config->dpll_hw_state.fp0, | |
12820 | pipe_config->dpll_hw_state.fp1); | |
12821 | } | |
12822 | ||
6a60cd87 CK |
12823 | DRM_DEBUG_KMS("planes on this crtc\n"); |
12824 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { | |
12825 | intel_plane = to_intel_plane(plane); | |
12826 | if (intel_plane->pipe != crtc->pipe) | |
12827 | continue; | |
12828 | ||
12829 | state = to_intel_plane_state(plane->state); | |
12830 | fb = state->base.fb; | |
12831 | if (!fb) { | |
1d577e02 VS |
12832 | DRM_DEBUG_KMS("[PLANE:%d:%s] disabled, scaler_id = %d\n", |
12833 | plane->base.id, plane->name, state->scaler_id); | |
6a60cd87 CK |
12834 | continue; |
12835 | } | |
12836 | ||
1d577e02 VS |
12837 | DRM_DEBUG_KMS("[PLANE:%d:%s] enabled", |
12838 | plane->base.id, plane->name); | |
12839 | DRM_DEBUG_KMS("\tFB:%d, fb = %ux%u format = %s", | |
12840 | fb->base.id, fb->width, fb->height, | |
12841 | drm_get_format_name(fb->pixel_format)); | |
12842 | DRM_DEBUG_KMS("\tscaler:%d src %dx%d+%d+%d dst %dx%d+%d+%d\n", | |
12843 | state->scaler_id, | |
936e71e3 VS |
12844 | state->base.src.x1 >> 16, |
12845 | state->base.src.y1 >> 16, | |
12846 | drm_rect_width(&state->base.src) >> 16, | |
12847 | drm_rect_height(&state->base.src) >> 16, | |
12848 | state->base.dst.x1, state->base.dst.y1, | |
12849 | drm_rect_width(&state->base.dst), | |
12850 | drm_rect_height(&state->base.dst)); | |
6a60cd87 | 12851 | } |
c0b03411 DV |
12852 | } |
12853 | ||
5448a00d | 12854 | static bool check_digital_port_conflicts(struct drm_atomic_state *state) |
00f0b378 | 12855 | { |
5448a00d | 12856 | struct drm_device *dev = state->dev; |
da3ced29 | 12857 | struct drm_connector *connector; |
00f0b378 | 12858 | unsigned int used_ports = 0; |
477321e0 | 12859 | unsigned int used_mst_ports = 0; |
00f0b378 VS |
12860 | |
12861 | /* | |
12862 | * Walk the connector list instead of the encoder | |
12863 | * list to detect the problem on ddi platforms | |
12864 | * where there's just one encoder per digital port. | |
12865 | */ | |
0bff4858 VS |
12866 | drm_for_each_connector(connector, dev) { |
12867 | struct drm_connector_state *connector_state; | |
12868 | struct intel_encoder *encoder; | |
12869 | ||
12870 | connector_state = drm_atomic_get_existing_connector_state(state, connector); | |
12871 | if (!connector_state) | |
12872 | connector_state = connector->state; | |
12873 | ||
5448a00d | 12874 | if (!connector_state->best_encoder) |
00f0b378 VS |
12875 | continue; |
12876 | ||
5448a00d ACO |
12877 | encoder = to_intel_encoder(connector_state->best_encoder); |
12878 | ||
12879 | WARN_ON(!connector_state->crtc); | |
00f0b378 VS |
12880 | |
12881 | switch (encoder->type) { | |
12882 | unsigned int port_mask; | |
12883 | case INTEL_OUTPUT_UNKNOWN: | |
12884 | if (WARN_ON(!HAS_DDI(dev))) | |
12885 | break; | |
cca0502b | 12886 | case INTEL_OUTPUT_DP: |
00f0b378 VS |
12887 | case INTEL_OUTPUT_HDMI: |
12888 | case INTEL_OUTPUT_EDP: | |
12889 | port_mask = 1 << enc_to_dig_port(&encoder->base)->port; | |
12890 | ||
12891 | /* the same port mustn't appear more than once */ | |
12892 | if (used_ports & port_mask) | |
12893 | return false; | |
12894 | ||
12895 | used_ports |= port_mask; | |
477321e0 VS |
12896 | break; |
12897 | case INTEL_OUTPUT_DP_MST: | |
12898 | used_mst_ports |= | |
12899 | 1 << enc_to_mst(&encoder->base)->primary->port; | |
12900 | break; | |
00f0b378 VS |
12901 | default: |
12902 | break; | |
12903 | } | |
12904 | } | |
12905 | ||
477321e0 VS |
12906 | /* can't mix MST and SST/HDMI on the same port */ |
12907 | if (used_ports & used_mst_ports) | |
12908 | return false; | |
12909 | ||
00f0b378 VS |
12910 | return true; |
12911 | } | |
12912 | ||
83a57153 ACO |
12913 | static void |
12914 | clear_intel_crtc_state(struct intel_crtc_state *crtc_state) | |
12915 | { | |
12916 | struct drm_crtc_state tmp_state; | |
663a3640 | 12917 | struct intel_crtc_scaler_state scaler_state; |
4978cc93 | 12918 | struct intel_dpll_hw_state dpll_hw_state; |
8106ddbd | 12919 | struct intel_shared_dpll *shared_dpll; |
c4e2d043 | 12920 | bool force_thru; |
83a57153 | 12921 | |
7546a384 ACO |
12922 | /* FIXME: before the switch to atomic started, a new pipe_config was |
12923 | * kzalloc'd. Code that depends on any field being zero should be | |
12924 | * fixed, so that the crtc_state can be safely duplicated. For now, | |
12925 | * only fields that are know to not cause problems are preserved. */ | |
12926 | ||
83a57153 | 12927 | tmp_state = crtc_state->base; |
663a3640 | 12928 | scaler_state = crtc_state->scaler_state; |
4978cc93 ACO |
12929 | shared_dpll = crtc_state->shared_dpll; |
12930 | dpll_hw_state = crtc_state->dpll_hw_state; | |
c4e2d043 | 12931 | force_thru = crtc_state->pch_pfit.force_thru; |
4978cc93 | 12932 | |
83a57153 | 12933 | memset(crtc_state, 0, sizeof *crtc_state); |
4978cc93 | 12934 | |
83a57153 | 12935 | crtc_state->base = tmp_state; |
663a3640 | 12936 | crtc_state->scaler_state = scaler_state; |
4978cc93 ACO |
12937 | crtc_state->shared_dpll = shared_dpll; |
12938 | crtc_state->dpll_hw_state = dpll_hw_state; | |
c4e2d043 | 12939 | crtc_state->pch_pfit.force_thru = force_thru; |
83a57153 ACO |
12940 | } |
12941 | ||
548ee15b | 12942 | static int |
b8cecdf5 | 12943 | intel_modeset_pipe_config(struct drm_crtc *crtc, |
b359283a | 12944 | struct intel_crtc_state *pipe_config) |
ee7b9f93 | 12945 | { |
b359283a | 12946 | struct drm_atomic_state *state = pipe_config->base.state; |
7758a113 | 12947 | struct intel_encoder *encoder; |
da3ced29 | 12948 | struct drm_connector *connector; |
0b901879 | 12949 | struct drm_connector_state *connector_state; |
d328c9d7 | 12950 | int base_bpp, ret = -EINVAL; |
0b901879 | 12951 | int i; |
e29c22c0 | 12952 | bool retry = true; |
ee7b9f93 | 12953 | |
83a57153 | 12954 | clear_intel_crtc_state(pipe_config); |
7758a113 | 12955 | |
e143a21c DV |
12956 | pipe_config->cpu_transcoder = |
12957 | (enum transcoder) to_intel_crtc(crtc)->pipe; | |
b8cecdf5 | 12958 | |
2960bc9c ID |
12959 | /* |
12960 | * Sanitize sync polarity flags based on requested ones. If neither | |
12961 | * positive or negative polarity is requested, treat this as meaning | |
12962 | * negative polarity. | |
12963 | */ | |
2d112de7 | 12964 | if (!(pipe_config->base.adjusted_mode.flags & |
2960bc9c | 12965 | (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NHSYNC))) |
2d112de7 | 12966 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_NHSYNC; |
2960bc9c | 12967 | |
2d112de7 | 12968 | if (!(pipe_config->base.adjusted_mode.flags & |
2960bc9c | 12969 | (DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC))) |
2d112de7 | 12970 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_NVSYNC; |
2960bc9c | 12971 | |
d328c9d7 DV |
12972 | base_bpp = compute_baseline_pipe_bpp(to_intel_crtc(crtc), |
12973 | pipe_config); | |
12974 | if (base_bpp < 0) | |
4e53c2e0 DV |
12975 | goto fail; |
12976 | ||
e41a56be VS |
12977 | /* |
12978 | * Determine the real pipe dimensions. Note that stereo modes can | |
12979 | * increase the actual pipe size due to the frame doubling and | |
12980 | * insertion of additional space for blanks between the frame. This | |
12981 | * is stored in the crtc timings. We use the requested mode to do this | |
12982 | * computation to clearly distinguish it from the adjusted mode, which | |
12983 | * can be changed by the connectors in the below retry loop. | |
12984 | */ | |
2d112de7 | 12985 | drm_crtc_get_hv_timing(&pipe_config->base.mode, |
ecb7e16b GP |
12986 | &pipe_config->pipe_src_w, |
12987 | &pipe_config->pipe_src_h); | |
e41a56be | 12988 | |
253c84c8 VS |
12989 | for_each_connector_in_state(state, connector, connector_state, i) { |
12990 | if (connector_state->crtc != crtc) | |
12991 | continue; | |
12992 | ||
12993 | encoder = to_intel_encoder(connector_state->best_encoder); | |
12994 | ||
e25148d0 VS |
12995 | if (!check_single_encoder_cloning(state, to_intel_crtc(crtc), encoder)) { |
12996 | DRM_DEBUG_KMS("rejecting invalid cloning configuration\n"); | |
12997 | goto fail; | |
12998 | } | |
12999 | ||
253c84c8 VS |
13000 | /* |
13001 | * Determine output_types before calling the .compute_config() | |
13002 | * hooks so that the hooks can use this information safely. | |
13003 | */ | |
13004 | pipe_config->output_types |= 1 << encoder->type; | |
13005 | } | |
13006 | ||
e29c22c0 | 13007 | encoder_retry: |
ef1b460d | 13008 | /* Ensure the port clock defaults are reset when retrying. */ |
ff9a6750 | 13009 | pipe_config->port_clock = 0; |
ef1b460d | 13010 | pipe_config->pixel_multiplier = 1; |
ff9a6750 | 13011 | |
135c81b8 | 13012 | /* Fill in default crtc timings, allow encoders to overwrite them. */ |
2d112de7 ACO |
13013 | drm_mode_set_crtcinfo(&pipe_config->base.adjusted_mode, |
13014 | CRTC_STEREO_DOUBLE); | |
135c81b8 | 13015 | |
7758a113 DV |
13016 | /* Pass our mode to the connectors and the CRTC to give them a chance to |
13017 | * adjust it according to limitations or connector properties, and also | |
13018 | * a chance to reject the mode entirely. | |
47f1c6c9 | 13019 | */ |
da3ced29 | 13020 | for_each_connector_in_state(state, connector, connector_state, i) { |
0b901879 | 13021 | if (connector_state->crtc != crtc) |
7758a113 | 13022 | continue; |
7ae89233 | 13023 | |
0b901879 ACO |
13024 | encoder = to_intel_encoder(connector_state->best_encoder); |
13025 | ||
0a478c27 | 13026 | if (!(encoder->compute_config(encoder, pipe_config, connector_state))) { |
efea6e8e | 13027 | DRM_DEBUG_KMS("Encoder config failure\n"); |
7758a113 DV |
13028 | goto fail; |
13029 | } | |
ee7b9f93 | 13030 | } |
47f1c6c9 | 13031 | |
ff9a6750 DV |
13032 | /* Set default port clock if not overwritten by the encoder. Needs to be |
13033 | * done afterwards in case the encoder adjusts the mode. */ | |
13034 | if (!pipe_config->port_clock) | |
2d112de7 | 13035 | pipe_config->port_clock = pipe_config->base.adjusted_mode.crtc_clock |
241bfc38 | 13036 | * pipe_config->pixel_multiplier; |
ff9a6750 | 13037 | |
a43f6e0f | 13038 | ret = intel_crtc_compute_config(to_intel_crtc(crtc), pipe_config); |
e29c22c0 | 13039 | if (ret < 0) { |
7758a113 DV |
13040 | DRM_DEBUG_KMS("CRTC fixup failed\n"); |
13041 | goto fail; | |
ee7b9f93 | 13042 | } |
e29c22c0 DV |
13043 | |
13044 | if (ret == RETRY) { | |
13045 | if (WARN(!retry, "loop in pipe configuration computation\n")) { | |
13046 | ret = -EINVAL; | |
13047 | goto fail; | |
13048 | } | |
13049 | ||
13050 | DRM_DEBUG_KMS("CRTC bw constrained, retrying\n"); | |
13051 | retry = false; | |
13052 | goto encoder_retry; | |
13053 | } | |
13054 | ||
e8fa4270 DV |
13055 | /* Dithering seems to not pass-through bits correctly when it should, so |
13056 | * only enable it on 6bpc panels. */ | |
13057 | pipe_config->dither = pipe_config->pipe_bpp == 6*3; | |
62f0ace5 | 13058 | DRM_DEBUG_KMS("hw max bpp: %i, pipe bpp: %i, dithering: %i\n", |
d328c9d7 | 13059 | base_bpp, pipe_config->pipe_bpp, pipe_config->dither); |
4e53c2e0 | 13060 | |
7758a113 | 13061 | fail: |
548ee15b | 13062 | return ret; |
ee7b9f93 | 13063 | } |
47f1c6c9 | 13064 | |
ea9d758d | 13065 | static void |
4740b0f2 | 13066 | intel_modeset_update_crtc_state(struct drm_atomic_state *state) |
ea9d758d | 13067 | { |
0a9ab303 ACO |
13068 | struct drm_crtc *crtc; |
13069 | struct drm_crtc_state *crtc_state; | |
8a75d157 | 13070 | int i; |
ea9d758d | 13071 | |
7668851f | 13072 | /* Double check state. */ |
8a75d157 | 13073 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
3cb480bc | 13074 | to_intel_crtc(crtc)->config = to_intel_crtc_state(crtc->state); |
fc467a22 ML |
13075 | |
13076 | /* Update hwmode for vblank functions */ | |
13077 | if (crtc->state->active) | |
13078 | crtc->hwmode = crtc->state->adjusted_mode; | |
13079 | else | |
13080 | crtc->hwmode.crtc_clock = 0; | |
61067a5e ML |
13081 | |
13082 | /* | |
13083 | * Update legacy state to satisfy fbc code. This can | |
13084 | * be removed when fbc uses the atomic state. | |
13085 | */ | |
13086 | if (drm_atomic_get_existing_plane_state(state, crtc->primary)) { | |
13087 | struct drm_plane_state *plane_state = crtc->primary->state; | |
13088 | ||
13089 | crtc->primary->fb = plane_state->fb; | |
13090 | crtc->x = plane_state->src_x >> 16; | |
13091 | crtc->y = plane_state->src_y >> 16; | |
13092 | } | |
ea9d758d | 13093 | } |
ea9d758d DV |
13094 | } |
13095 | ||
3bd26263 | 13096 | static bool intel_fuzzy_clock_check(int clock1, int clock2) |
f1f644dc | 13097 | { |
3bd26263 | 13098 | int diff; |
f1f644dc JB |
13099 | |
13100 | if (clock1 == clock2) | |
13101 | return true; | |
13102 | ||
13103 | if (!clock1 || !clock2) | |
13104 | return false; | |
13105 | ||
13106 | diff = abs(clock1 - clock2); | |
13107 | ||
13108 | if (((((diff + clock1 + clock2) * 100)) / (clock1 + clock2)) < 105) | |
13109 | return true; | |
13110 | ||
13111 | return false; | |
13112 | } | |
13113 | ||
cfb23ed6 ML |
13114 | static bool |
13115 | intel_compare_m_n(unsigned int m, unsigned int n, | |
13116 | unsigned int m2, unsigned int n2, | |
13117 | bool exact) | |
13118 | { | |
13119 | if (m == m2 && n == n2) | |
13120 | return true; | |
13121 | ||
13122 | if (exact || !m || !n || !m2 || !n2) | |
13123 | return false; | |
13124 | ||
13125 | BUILD_BUG_ON(DATA_LINK_M_N_MASK > INT_MAX); | |
13126 | ||
31d10b57 ML |
13127 | if (n > n2) { |
13128 | while (n > n2) { | |
cfb23ed6 ML |
13129 | m2 <<= 1; |
13130 | n2 <<= 1; | |
13131 | } | |
31d10b57 ML |
13132 | } else if (n < n2) { |
13133 | while (n < n2) { | |
cfb23ed6 ML |
13134 | m <<= 1; |
13135 | n <<= 1; | |
13136 | } | |
13137 | } | |
13138 | ||
31d10b57 ML |
13139 | if (n != n2) |
13140 | return false; | |
13141 | ||
13142 | return intel_fuzzy_clock_check(m, m2); | |
cfb23ed6 ML |
13143 | } |
13144 | ||
13145 | static bool | |
13146 | intel_compare_link_m_n(const struct intel_link_m_n *m_n, | |
13147 | struct intel_link_m_n *m2_n2, | |
13148 | bool adjust) | |
13149 | { | |
13150 | if (m_n->tu == m2_n2->tu && | |
13151 | intel_compare_m_n(m_n->gmch_m, m_n->gmch_n, | |
13152 | m2_n2->gmch_m, m2_n2->gmch_n, !adjust) && | |
13153 | intel_compare_m_n(m_n->link_m, m_n->link_n, | |
13154 | m2_n2->link_m, m2_n2->link_n, !adjust)) { | |
13155 | if (adjust) | |
13156 | *m2_n2 = *m_n; | |
13157 | ||
13158 | return true; | |
13159 | } | |
13160 | ||
13161 | return false; | |
13162 | } | |
13163 | ||
0e8ffe1b | 13164 | static bool |
2fa2fe9a | 13165 | intel_pipe_config_compare(struct drm_device *dev, |
5cec258b | 13166 | struct intel_crtc_state *current_config, |
cfb23ed6 ML |
13167 | struct intel_crtc_state *pipe_config, |
13168 | bool adjust) | |
0e8ffe1b | 13169 | { |
cfb23ed6 ML |
13170 | bool ret = true; |
13171 | ||
13172 | #define INTEL_ERR_OR_DBG_KMS(fmt, ...) \ | |
13173 | do { \ | |
13174 | if (!adjust) \ | |
13175 | DRM_ERROR(fmt, ##__VA_ARGS__); \ | |
13176 | else \ | |
13177 | DRM_DEBUG_KMS(fmt, ##__VA_ARGS__); \ | |
13178 | } while (0) | |
13179 | ||
66e985c0 DV |
13180 | #define PIPE_CONF_CHECK_X(name) \ |
13181 | if (current_config->name != pipe_config->name) { \ | |
cfb23ed6 | 13182 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ |
66e985c0 DV |
13183 | "(expected 0x%08x, found 0x%08x)\n", \ |
13184 | current_config->name, \ | |
13185 | pipe_config->name); \ | |
cfb23ed6 | 13186 | ret = false; \ |
66e985c0 DV |
13187 | } |
13188 | ||
08a24034 DV |
13189 | #define PIPE_CONF_CHECK_I(name) \ |
13190 | if (current_config->name != pipe_config->name) { \ | |
cfb23ed6 | 13191 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ |
08a24034 DV |
13192 | "(expected %i, found %i)\n", \ |
13193 | current_config->name, \ | |
13194 | pipe_config->name); \ | |
cfb23ed6 ML |
13195 | ret = false; \ |
13196 | } | |
13197 | ||
8106ddbd ACO |
13198 | #define PIPE_CONF_CHECK_P(name) \ |
13199 | if (current_config->name != pipe_config->name) { \ | |
13200 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ | |
13201 | "(expected %p, found %p)\n", \ | |
13202 | current_config->name, \ | |
13203 | pipe_config->name); \ | |
13204 | ret = false; \ | |
13205 | } | |
13206 | ||
cfb23ed6 ML |
13207 | #define PIPE_CONF_CHECK_M_N(name) \ |
13208 | if (!intel_compare_link_m_n(¤t_config->name, \ | |
13209 | &pipe_config->name,\ | |
13210 | adjust)) { \ | |
13211 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ | |
13212 | "(expected tu %i gmch %i/%i link %i/%i, " \ | |
13213 | "found tu %i, gmch %i/%i link %i/%i)\n", \ | |
13214 | current_config->name.tu, \ | |
13215 | current_config->name.gmch_m, \ | |
13216 | current_config->name.gmch_n, \ | |
13217 | current_config->name.link_m, \ | |
13218 | current_config->name.link_n, \ | |
13219 | pipe_config->name.tu, \ | |
13220 | pipe_config->name.gmch_m, \ | |
13221 | pipe_config->name.gmch_n, \ | |
13222 | pipe_config->name.link_m, \ | |
13223 | pipe_config->name.link_n); \ | |
13224 | ret = false; \ | |
13225 | } | |
13226 | ||
55c561a7 DV |
13227 | /* This is required for BDW+ where there is only one set of registers for |
13228 | * switching between high and low RR. | |
13229 | * This macro can be used whenever a comparison has to be made between one | |
13230 | * hw state and multiple sw state variables. | |
13231 | */ | |
cfb23ed6 ML |
13232 | #define PIPE_CONF_CHECK_M_N_ALT(name, alt_name) \ |
13233 | if (!intel_compare_link_m_n(¤t_config->name, \ | |
13234 | &pipe_config->name, adjust) && \ | |
13235 | !intel_compare_link_m_n(¤t_config->alt_name, \ | |
13236 | &pipe_config->name, adjust)) { \ | |
13237 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ | |
13238 | "(expected tu %i gmch %i/%i link %i/%i, " \ | |
13239 | "or tu %i gmch %i/%i link %i/%i, " \ | |
13240 | "found tu %i, gmch %i/%i link %i/%i)\n", \ | |
13241 | current_config->name.tu, \ | |
13242 | current_config->name.gmch_m, \ | |
13243 | current_config->name.gmch_n, \ | |
13244 | current_config->name.link_m, \ | |
13245 | current_config->name.link_n, \ | |
13246 | current_config->alt_name.tu, \ | |
13247 | current_config->alt_name.gmch_m, \ | |
13248 | current_config->alt_name.gmch_n, \ | |
13249 | current_config->alt_name.link_m, \ | |
13250 | current_config->alt_name.link_n, \ | |
13251 | pipe_config->name.tu, \ | |
13252 | pipe_config->name.gmch_m, \ | |
13253 | pipe_config->name.gmch_n, \ | |
13254 | pipe_config->name.link_m, \ | |
13255 | pipe_config->name.link_n); \ | |
13256 | ret = false; \ | |
88adfff1 DV |
13257 | } |
13258 | ||
1bd1bd80 DV |
13259 | #define PIPE_CONF_CHECK_FLAGS(name, mask) \ |
13260 | if ((current_config->name ^ pipe_config->name) & (mask)) { \ | |
cfb23ed6 | 13261 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name "(" #mask ") " \ |
1bd1bd80 DV |
13262 | "(expected %i, found %i)\n", \ |
13263 | current_config->name & (mask), \ | |
13264 | pipe_config->name & (mask)); \ | |
cfb23ed6 | 13265 | ret = false; \ |
1bd1bd80 DV |
13266 | } |
13267 | ||
5e550656 VS |
13268 | #define PIPE_CONF_CHECK_CLOCK_FUZZY(name) \ |
13269 | if (!intel_fuzzy_clock_check(current_config->name, pipe_config->name)) { \ | |
cfb23ed6 | 13270 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ |
5e550656 VS |
13271 | "(expected %i, found %i)\n", \ |
13272 | current_config->name, \ | |
13273 | pipe_config->name); \ | |
cfb23ed6 | 13274 | ret = false; \ |
5e550656 VS |
13275 | } |
13276 | ||
bb760063 DV |
13277 | #define PIPE_CONF_QUIRK(quirk) \ |
13278 | ((current_config->quirks | pipe_config->quirks) & (quirk)) | |
13279 | ||
eccb140b DV |
13280 | PIPE_CONF_CHECK_I(cpu_transcoder); |
13281 | ||
08a24034 DV |
13282 | PIPE_CONF_CHECK_I(has_pch_encoder); |
13283 | PIPE_CONF_CHECK_I(fdi_lanes); | |
cfb23ed6 | 13284 | PIPE_CONF_CHECK_M_N(fdi_m_n); |
08a24034 | 13285 | |
90a6b7b0 | 13286 | PIPE_CONF_CHECK_I(lane_count); |
95a7a2ae | 13287 | PIPE_CONF_CHECK_X(lane_lat_optim_mask); |
b95af8be VK |
13288 | |
13289 | if (INTEL_INFO(dev)->gen < 8) { | |
cfb23ed6 ML |
13290 | PIPE_CONF_CHECK_M_N(dp_m_n); |
13291 | ||
cfb23ed6 ML |
13292 | if (current_config->has_drrs) |
13293 | PIPE_CONF_CHECK_M_N(dp_m2_n2); | |
13294 | } else | |
13295 | PIPE_CONF_CHECK_M_N_ALT(dp_m_n, dp_m2_n2); | |
eb14cb74 | 13296 | |
253c84c8 | 13297 | PIPE_CONF_CHECK_X(output_types); |
a65347ba | 13298 | |
2d112de7 ACO |
13299 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hdisplay); |
13300 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_htotal); | |
13301 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hblank_start); | |
13302 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hblank_end); | |
13303 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hsync_start); | |
13304 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hsync_end); | |
1bd1bd80 | 13305 | |
2d112de7 ACO |
13306 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vdisplay); |
13307 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vtotal); | |
13308 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vblank_start); | |
13309 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vblank_end); | |
13310 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vsync_start); | |
13311 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vsync_end); | |
1bd1bd80 | 13312 | |
c93f54cf | 13313 | PIPE_CONF_CHECK_I(pixel_multiplier); |
6897b4b5 | 13314 | PIPE_CONF_CHECK_I(has_hdmi_sink); |
b5a9fa09 | 13315 | if ((INTEL_INFO(dev)->gen < 8 && !IS_HASWELL(dev)) || |
666a4537 | 13316 | IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) |
b5a9fa09 | 13317 | PIPE_CONF_CHECK_I(limited_color_range); |
e43823ec | 13318 | PIPE_CONF_CHECK_I(has_infoframe); |
6c49f241 | 13319 | |
9ed109a7 DV |
13320 | PIPE_CONF_CHECK_I(has_audio); |
13321 | ||
2d112de7 | 13322 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
1bd1bd80 DV |
13323 | DRM_MODE_FLAG_INTERLACE); |
13324 | ||
bb760063 | 13325 | if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS)) { |
2d112de7 | 13326 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 13327 | DRM_MODE_FLAG_PHSYNC); |
2d112de7 | 13328 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 13329 | DRM_MODE_FLAG_NHSYNC); |
2d112de7 | 13330 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 13331 | DRM_MODE_FLAG_PVSYNC); |
2d112de7 | 13332 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 DV |
13333 | DRM_MODE_FLAG_NVSYNC); |
13334 | } | |
045ac3b5 | 13335 | |
333b8ca8 | 13336 | PIPE_CONF_CHECK_X(gmch_pfit.control); |
e2ff2d4a DV |
13337 | /* pfit ratios are autocomputed by the hw on gen4+ */ |
13338 | if (INTEL_INFO(dev)->gen < 4) | |
7f7d8dd6 | 13339 | PIPE_CONF_CHECK_X(gmch_pfit.pgm_ratios); |
333b8ca8 | 13340 | PIPE_CONF_CHECK_X(gmch_pfit.lvds_border_bits); |
9953599b | 13341 | |
bfd16b2a ML |
13342 | if (!adjust) { |
13343 | PIPE_CONF_CHECK_I(pipe_src_w); | |
13344 | PIPE_CONF_CHECK_I(pipe_src_h); | |
13345 | ||
13346 | PIPE_CONF_CHECK_I(pch_pfit.enabled); | |
13347 | if (current_config->pch_pfit.enabled) { | |
13348 | PIPE_CONF_CHECK_X(pch_pfit.pos); | |
13349 | PIPE_CONF_CHECK_X(pch_pfit.size); | |
13350 | } | |
2fa2fe9a | 13351 | |
7aefe2b5 ML |
13352 | PIPE_CONF_CHECK_I(scaler_state.scaler_id); |
13353 | } | |
a1b2278e | 13354 | |
e59150dc JB |
13355 | /* BDW+ don't expose a synchronous way to read the state */ |
13356 | if (IS_HASWELL(dev)) | |
13357 | PIPE_CONF_CHECK_I(ips_enabled); | |
42db64ef | 13358 | |
282740f7 VS |
13359 | PIPE_CONF_CHECK_I(double_wide); |
13360 | ||
8106ddbd | 13361 | PIPE_CONF_CHECK_P(shared_dpll); |
66e985c0 | 13362 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll); |
8bcc2795 | 13363 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md); |
66e985c0 DV |
13364 | PIPE_CONF_CHECK_X(dpll_hw_state.fp0); |
13365 | PIPE_CONF_CHECK_X(dpll_hw_state.fp1); | |
d452c5b6 | 13366 | PIPE_CONF_CHECK_X(dpll_hw_state.wrpll); |
00490c22 | 13367 | PIPE_CONF_CHECK_X(dpll_hw_state.spll); |
3f4cd19f DL |
13368 | PIPE_CONF_CHECK_X(dpll_hw_state.ctrl1); |
13369 | PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr1); | |
13370 | PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr2); | |
c0d43d62 | 13371 | |
47eacbab VS |
13372 | PIPE_CONF_CHECK_X(dsi_pll.ctrl); |
13373 | PIPE_CONF_CHECK_X(dsi_pll.div); | |
13374 | ||
42571aef VS |
13375 | if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) |
13376 | PIPE_CONF_CHECK_I(pipe_bpp); | |
13377 | ||
2d112de7 | 13378 | PIPE_CONF_CHECK_CLOCK_FUZZY(base.adjusted_mode.crtc_clock); |
a9a7e98a | 13379 | PIPE_CONF_CHECK_CLOCK_FUZZY(port_clock); |
5e550656 | 13380 | |
66e985c0 | 13381 | #undef PIPE_CONF_CHECK_X |
08a24034 | 13382 | #undef PIPE_CONF_CHECK_I |
8106ddbd | 13383 | #undef PIPE_CONF_CHECK_P |
1bd1bd80 | 13384 | #undef PIPE_CONF_CHECK_FLAGS |
5e550656 | 13385 | #undef PIPE_CONF_CHECK_CLOCK_FUZZY |
bb760063 | 13386 | #undef PIPE_CONF_QUIRK |
cfb23ed6 | 13387 | #undef INTEL_ERR_OR_DBG_KMS |
88adfff1 | 13388 | |
cfb23ed6 | 13389 | return ret; |
0e8ffe1b DV |
13390 | } |
13391 | ||
e3b247da VS |
13392 | static void intel_pipe_config_sanity_check(struct drm_i915_private *dev_priv, |
13393 | const struct intel_crtc_state *pipe_config) | |
13394 | { | |
13395 | if (pipe_config->has_pch_encoder) { | |
21a727b3 | 13396 | int fdi_dotclock = intel_dotclock_calculate(intel_fdi_link_freq(dev_priv, pipe_config), |
e3b247da VS |
13397 | &pipe_config->fdi_m_n); |
13398 | int dotclock = pipe_config->base.adjusted_mode.crtc_clock; | |
13399 | ||
13400 | /* | |
13401 | * FDI already provided one idea for the dotclock. | |
13402 | * Yell if the encoder disagrees. | |
13403 | */ | |
13404 | WARN(!intel_fuzzy_clock_check(fdi_dotclock, dotclock), | |
13405 | "FDI dotclock and encoder dotclock mismatch, fdi: %i, encoder: %i\n", | |
13406 | fdi_dotclock, dotclock); | |
13407 | } | |
13408 | } | |
13409 | ||
c0ead703 ML |
13410 | static void verify_wm_state(struct drm_crtc *crtc, |
13411 | struct drm_crtc_state *new_state) | |
08db6652 | 13412 | { |
e7c84544 | 13413 | struct drm_device *dev = crtc->dev; |
fac5e23e | 13414 | struct drm_i915_private *dev_priv = to_i915(dev); |
08db6652 | 13415 | struct skl_ddb_allocation hw_ddb, *sw_ddb; |
e7c84544 ML |
13416 | struct skl_ddb_entry *hw_entry, *sw_entry; |
13417 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
13418 | const enum pipe pipe = intel_crtc->pipe; | |
08db6652 DL |
13419 | int plane; |
13420 | ||
e7c84544 | 13421 | if (INTEL_INFO(dev)->gen < 9 || !new_state->active) |
08db6652 DL |
13422 | return; |
13423 | ||
13424 | skl_ddb_get_hw_state(dev_priv, &hw_ddb); | |
13425 | sw_ddb = &dev_priv->wm.skl_hw.ddb; | |
13426 | ||
e7c84544 ML |
13427 | /* planes */ |
13428 | for_each_plane(dev_priv, pipe, plane) { | |
13429 | hw_entry = &hw_ddb.plane[pipe][plane]; | |
13430 | sw_entry = &sw_ddb->plane[pipe][plane]; | |
08db6652 | 13431 | |
e7c84544 | 13432 | if (skl_ddb_entry_equal(hw_entry, sw_entry)) |
08db6652 DL |
13433 | continue; |
13434 | ||
e7c84544 ML |
13435 | DRM_ERROR("mismatch in DDB state pipe %c plane %d " |
13436 | "(expected (%u,%u), found (%u,%u))\n", | |
13437 | pipe_name(pipe), plane + 1, | |
13438 | sw_entry->start, sw_entry->end, | |
13439 | hw_entry->start, hw_entry->end); | |
13440 | } | |
08db6652 | 13441 | |
27082493 L |
13442 | /* |
13443 | * cursor | |
13444 | * If the cursor plane isn't active, we may not have updated it's ddb | |
13445 | * allocation. In that case since the ddb allocation will be updated | |
13446 | * once the plane becomes visible, we can skip this check | |
13447 | */ | |
13448 | if (intel_crtc->cursor_addr) { | |
13449 | hw_entry = &hw_ddb.plane[pipe][PLANE_CURSOR]; | |
13450 | sw_entry = &sw_ddb->plane[pipe][PLANE_CURSOR]; | |
13451 | ||
13452 | if (!skl_ddb_entry_equal(hw_entry, sw_entry)) { | |
13453 | DRM_ERROR("mismatch in DDB state pipe %c cursor " | |
13454 | "(expected (%u,%u), found (%u,%u))\n", | |
13455 | pipe_name(pipe), | |
13456 | sw_entry->start, sw_entry->end, | |
13457 | hw_entry->start, hw_entry->end); | |
13458 | } | |
08db6652 DL |
13459 | } |
13460 | } | |
13461 | ||
91d1b4bd | 13462 | static void |
c0ead703 | 13463 | verify_connector_state(struct drm_device *dev, struct drm_crtc *crtc) |
8af6cf88 | 13464 | { |
35dd3c64 | 13465 | struct drm_connector *connector; |
8af6cf88 | 13466 | |
e7c84544 | 13467 | drm_for_each_connector(connector, dev) { |
35dd3c64 ML |
13468 | struct drm_encoder *encoder = connector->encoder; |
13469 | struct drm_connector_state *state = connector->state; | |
ad3c558f | 13470 | |
e7c84544 ML |
13471 | if (state->crtc != crtc) |
13472 | continue; | |
13473 | ||
5a21b665 | 13474 | intel_connector_verify_state(to_intel_connector(connector)); |
8af6cf88 | 13475 | |
ad3c558f | 13476 | I915_STATE_WARN(state->best_encoder != encoder, |
35dd3c64 | 13477 | "connector's atomic encoder doesn't match legacy encoder\n"); |
8af6cf88 | 13478 | } |
91d1b4bd DV |
13479 | } |
13480 | ||
13481 | static void | |
c0ead703 | 13482 | verify_encoder_state(struct drm_device *dev) |
91d1b4bd DV |
13483 | { |
13484 | struct intel_encoder *encoder; | |
13485 | struct intel_connector *connector; | |
8af6cf88 | 13486 | |
b2784e15 | 13487 | for_each_intel_encoder(dev, encoder) { |
8af6cf88 | 13488 | bool enabled = false; |
4d20cd86 | 13489 | enum pipe pipe; |
8af6cf88 DV |
13490 | |
13491 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", | |
13492 | encoder->base.base.id, | |
8e329a03 | 13493 | encoder->base.name); |
8af6cf88 | 13494 | |
3a3371ff | 13495 | for_each_intel_connector(dev, connector) { |
4d20cd86 | 13496 | if (connector->base.state->best_encoder != &encoder->base) |
8af6cf88 DV |
13497 | continue; |
13498 | enabled = true; | |
ad3c558f ML |
13499 | |
13500 | I915_STATE_WARN(connector->base.state->crtc != | |
13501 | encoder->base.crtc, | |
13502 | "connector's crtc doesn't match encoder crtc\n"); | |
8af6cf88 | 13503 | } |
0e32b39c | 13504 | |
e2c719b7 | 13505 | I915_STATE_WARN(!!encoder->base.crtc != enabled, |
8af6cf88 DV |
13506 | "encoder's enabled state mismatch " |
13507 | "(expected %i, found %i)\n", | |
13508 | !!encoder->base.crtc, enabled); | |
7c60d198 ML |
13509 | |
13510 | if (!encoder->base.crtc) { | |
4d20cd86 | 13511 | bool active; |
7c60d198 | 13512 | |
4d20cd86 ML |
13513 | active = encoder->get_hw_state(encoder, &pipe); |
13514 | I915_STATE_WARN(active, | |
13515 | "encoder detached but still enabled on pipe %c.\n", | |
13516 | pipe_name(pipe)); | |
7c60d198 | 13517 | } |
8af6cf88 | 13518 | } |
91d1b4bd DV |
13519 | } |
13520 | ||
13521 | static void | |
c0ead703 ML |
13522 | verify_crtc_state(struct drm_crtc *crtc, |
13523 | struct drm_crtc_state *old_crtc_state, | |
13524 | struct drm_crtc_state *new_crtc_state) | |
91d1b4bd | 13525 | { |
e7c84544 | 13526 | struct drm_device *dev = crtc->dev; |
fac5e23e | 13527 | struct drm_i915_private *dev_priv = to_i915(dev); |
91d1b4bd | 13528 | struct intel_encoder *encoder; |
e7c84544 ML |
13529 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
13530 | struct intel_crtc_state *pipe_config, *sw_config; | |
13531 | struct drm_atomic_state *old_state; | |
13532 | bool active; | |
045ac3b5 | 13533 | |
e7c84544 | 13534 | old_state = old_crtc_state->state; |
ec2dc6a0 | 13535 | __drm_atomic_helper_crtc_destroy_state(old_crtc_state); |
e7c84544 ML |
13536 | pipe_config = to_intel_crtc_state(old_crtc_state); |
13537 | memset(pipe_config, 0, sizeof(*pipe_config)); | |
13538 | pipe_config->base.crtc = crtc; | |
13539 | pipe_config->base.state = old_state; | |
8af6cf88 | 13540 | |
78108b7c | 13541 | DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name); |
8af6cf88 | 13542 | |
e7c84544 | 13543 | active = dev_priv->display.get_pipe_config(intel_crtc, pipe_config); |
d62cf62a | 13544 | |
e7c84544 ML |
13545 | /* hw state is inconsistent with the pipe quirk */ |
13546 | if ((intel_crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
13547 | (intel_crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
13548 | active = new_crtc_state->active; | |
6c49f241 | 13549 | |
e7c84544 ML |
13550 | I915_STATE_WARN(new_crtc_state->active != active, |
13551 | "crtc active state doesn't match with hw state " | |
13552 | "(expected %i, found %i)\n", new_crtc_state->active, active); | |
0e8ffe1b | 13553 | |
e7c84544 ML |
13554 | I915_STATE_WARN(intel_crtc->active != new_crtc_state->active, |
13555 | "transitional active state does not match atomic hw state " | |
13556 | "(expected %i, found %i)\n", new_crtc_state->active, intel_crtc->active); | |
4d20cd86 | 13557 | |
e7c84544 ML |
13558 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
13559 | enum pipe pipe; | |
4d20cd86 | 13560 | |
e7c84544 ML |
13561 | active = encoder->get_hw_state(encoder, &pipe); |
13562 | I915_STATE_WARN(active != new_crtc_state->active, | |
13563 | "[ENCODER:%i] active %i with crtc active %i\n", | |
13564 | encoder->base.base.id, active, new_crtc_state->active); | |
4d20cd86 | 13565 | |
e7c84544 ML |
13566 | I915_STATE_WARN(active && intel_crtc->pipe != pipe, |
13567 | "Encoder connected to wrong pipe %c\n", | |
13568 | pipe_name(pipe)); | |
4d20cd86 | 13569 | |
253c84c8 VS |
13570 | if (active) { |
13571 | pipe_config->output_types |= 1 << encoder->type; | |
e7c84544 | 13572 | encoder->get_config(encoder, pipe_config); |
253c84c8 | 13573 | } |
e7c84544 | 13574 | } |
53d9f4e9 | 13575 | |
e7c84544 ML |
13576 | if (!new_crtc_state->active) |
13577 | return; | |
cfb23ed6 | 13578 | |
e7c84544 | 13579 | intel_pipe_config_sanity_check(dev_priv, pipe_config); |
e3b247da | 13580 | |
e7c84544 ML |
13581 | sw_config = to_intel_crtc_state(crtc->state); |
13582 | if (!intel_pipe_config_compare(dev, sw_config, | |
13583 | pipe_config, false)) { | |
13584 | I915_STATE_WARN(1, "pipe state doesn't match!\n"); | |
13585 | intel_dump_pipe_config(intel_crtc, pipe_config, | |
13586 | "[hw state]"); | |
13587 | intel_dump_pipe_config(intel_crtc, sw_config, | |
13588 | "[sw state]"); | |
8af6cf88 DV |
13589 | } |
13590 | } | |
13591 | ||
91d1b4bd | 13592 | static void |
c0ead703 ML |
13593 | verify_single_dpll_state(struct drm_i915_private *dev_priv, |
13594 | struct intel_shared_dpll *pll, | |
13595 | struct drm_crtc *crtc, | |
13596 | struct drm_crtc_state *new_state) | |
91d1b4bd | 13597 | { |
91d1b4bd | 13598 | struct intel_dpll_hw_state dpll_hw_state; |
e7c84544 ML |
13599 | unsigned crtc_mask; |
13600 | bool active; | |
5358901f | 13601 | |
e7c84544 | 13602 | memset(&dpll_hw_state, 0, sizeof(dpll_hw_state)); |
5358901f | 13603 | |
e7c84544 | 13604 | DRM_DEBUG_KMS("%s\n", pll->name); |
5358901f | 13605 | |
e7c84544 | 13606 | active = pll->funcs.get_hw_state(dev_priv, pll, &dpll_hw_state); |
5358901f | 13607 | |
e7c84544 ML |
13608 | if (!(pll->flags & INTEL_DPLL_ALWAYS_ON)) { |
13609 | I915_STATE_WARN(!pll->on && pll->active_mask, | |
13610 | "pll in active use but not on in sw tracking\n"); | |
13611 | I915_STATE_WARN(pll->on && !pll->active_mask, | |
13612 | "pll is on but not used by any active crtc\n"); | |
13613 | I915_STATE_WARN(pll->on != active, | |
13614 | "pll on state mismatch (expected %i, found %i)\n", | |
13615 | pll->on, active); | |
13616 | } | |
5358901f | 13617 | |
e7c84544 | 13618 | if (!crtc) { |
2dd66ebd | 13619 | I915_STATE_WARN(pll->active_mask & ~pll->config.crtc_mask, |
e7c84544 ML |
13620 | "more active pll users than references: %x vs %x\n", |
13621 | pll->active_mask, pll->config.crtc_mask); | |
5358901f | 13622 | |
e7c84544 ML |
13623 | return; |
13624 | } | |
13625 | ||
13626 | crtc_mask = 1 << drm_crtc_index(crtc); | |
13627 | ||
13628 | if (new_state->active) | |
13629 | I915_STATE_WARN(!(pll->active_mask & crtc_mask), | |
13630 | "pll active mismatch (expected pipe %c in active mask 0x%02x)\n", | |
13631 | pipe_name(drm_crtc_index(crtc)), pll->active_mask); | |
13632 | else | |
13633 | I915_STATE_WARN(pll->active_mask & crtc_mask, | |
13634 | "pll active mismatch (didn't expect pipe %c in active mask 0x%02x)\n", | |
13635 | pipe_name(drm_crtc_index(crtc)), pll->active_mask); | |
2dd66ebd | 13636 | |
e7c84544 ML |
13637 | I915_STATE_WARN(!(pll->config.crtc_mask & crtc_mask), |
13638 | "pll enabled crtcs mismatch (expected 0x%x in 0x%02x)\n", | |
13639 | crtc_mask, pll->config.crtc_mask); | |
66e985c0 | 13640 | |
e7c84544 ML |
13641 | I915_STATE_WARN(pll->on && memcmp(&pll->config.hw_state, |
13642 | &dpll_hw_state, | |
13643 | sizeof(dpll_hw_state)), | |
13644 | "pll hw state mismatch\n"); | |
13645 | } | |
13646 | ||
13647 | static void | |
c0ead703 ML |
13648 | verify_shared_dpll_state(struct drm_device *dev, struct drm_crtc *crtc, |
13649 | struct drm_crtc_state *old_crtc_state, | |
13650 | struct drm_crtc_state *new_crtc_state) | |
e7c84544 | 13651 | { |
fac5e23e | 13652 | struct drm_i915_private *dev_priv = to_i915(dev); |
e7c84544 ML |
13653 | struct intel_crtc_state *old_state = to_intel_crtc_state(old_crtc_state); |
13654 | struct intel_crtc_state *new_state = to_intel_crtc_state(new_crtc_state); | |
13655 | ||
13656 | if (new_state->shared_dpll) | |
c0ead703 | 13657 | verify_single_dpll_state(dev_priv, new_state->shared_dpll, crtc, new_crtc_state); |
e7c84544 ML |
13658 | |
13659 | if (old_state->shared_dpll && | |
13660 | old_state->shared_dpll != new_state->shared_dpll) { | |
13661 | unsigned crtc_mask = 1 << drm_crtc_index(crtc); | |
13662 | struct intel_shared_dpll *pll = old_state->shared_dpll; | |
13663 | ||
13664 | I915_STATE_WARN(pll->active_mask & crtc_mask, | |
13665 | "pll active mismatch (didn't expect pipe %c in active mask)\n", | |
13666 | pipe_name(drm_crtc_index(crtc))); | |
13667 | I915_STATE_WARN(pll->config.crtc_mask & crtc_mask, | |
13668 | "pll enabled crtcs mismatch (found %x in enabled mask)\n", | |
13669 | pipe_name(drm_crtc_index(crtc))); | |
5358901f | 13670 | } |
8af6cf88 DV |
13671 | } |
13672 | ||
e7c84544 | 13673 | static void |
c0ead703 | 13674 | intel_modeset_verify_crtc(struct drm_crtc *crtc, |
e7c84544 ML |
13675 | struct drm_crtc_state *old_state, |
13676 | struct drm_crtc_state *new_state) | |
13677 | { | |
5a21b665 DV |
13678 | if (!needs_modeset(new_state) && |
13679 | !to_intel_crtc_state(new_state)->update_pipe) | |
13680 | return; | |
13681 | ||
c0ead703 | 13682 | verify_wm_state(crtc, new_state); |
5a21b665 | 13683 | verify_connector_state(crtc->dev, crtc); |
c0ead703 ML |
13684 | verify_crtc_state(crtc, old_state, new_state); |
13685 | verify_shared_dpll_state(crtc->dev, crtc, old_state, new_state); | |
e7c84544 ML |
13686 | } |
13687 | ||
13688 | static void | |
c0ead703 | 13689 | verify_disabled_dpll_state(struct drm_device *dev) |
e7c84544 | 13690 | { |
fac5e23e | 13691 | struct drm_i915_private *dev_priv = to_i915(dev); |
e7c84544 ML |
13692 | int i; |
13693 | ||
13694 | for (i = 0; i < dev_priv->num_shared_dpll; i++) | |
c0ead703 | 13695 | verify_single_dpll_state(dev_priv, &dev_priv->shared_dplls[i], NULL, NULL); |
e7c84544 ML |
13696 | } |
13697 | ||
13698 | static void | |
c0ead703 | 13699 | intel_modeset_verify_disabled(struct drm_device *dev) |
e7c84544 | 13700 | { |
c0ead703 ML |
13701 | verify_encoder_state(dev); |
13702 | verify_connector_state(dev, NULL); | |
13703 | verify_disabled_dpll_state(dev); | |
e7c84544 ML |
13704 | } |
13705 | ||
80715b2f VS |
13706 | static void update_scanline_offset(struct intel_crtc *crtc) |
13707 | { | |
13708 | struct drm_device *dev = crtc->base.dev; | |
13709 | ||
13710 | /* | |
13711 | * The scanline counter increments at the leading edge of hsync. | |
13712 | * | |
13713 | * On most platforms it starts counting from vtotal-1 on the | |
13714 | * first active line. That means the scanline counter value is | |
13715 | * always one less than what we would expect. Ie. just after | |
13716 | * start of vblank, which also occurs at start of hsync (on the | |
13717 | * last active line), the scanline counter will read vblank_start-1. | |
13718 | * | |
13719 | * On gen2 the scanline counter starts counting from 1 instead | |
13720 | * of vtotal-1, so we have to subtract one (or rather add vtotal-1 | |
13721 | * to keep the value positive), instead of adding one. | |
13722 | * | |
13723 | * On HSW+ the behaviour of the scanline counter depends on the output | |
13724 | * type. For DP ports it behaves like most other platforms, but on HDMI | |
13725 | * there's an extra 1 line difference. So we need to add two instead of | |
13726 | * one to the value. | |
13727 | */ | |
13728 | if (IS_GEN2(dev)) { | |
124abe07 | 13729 | const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode; |
80715b2f VS |
13730 | int vtotal; |
13731 | ||
124abe07 VS |
13732 | vtotal = adjusted_mode->crtc_vtotal; |
13733 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) | |
80715b2f VS |
13734 | vtotal /= 2; |
13735 | ||
13736 | crtc->scanline_offset = vtotal - 1; | |
13737 | } else if (HAS_DDI(dev) && | |
2d84d2b3 | 13738 | intel_crtc_has_type(crtc->config, INTEL_OUTPUT_HDMI)) { |
80715b2f VS |
13739 | crtc->scanline_offset = 2; |
13740 | } else | |
13741 | crtc->scanline_offset = 1; | |
13742 | } | |
13743 | ||
ad421372 | 13744 | static void intel_modeset_clear_plls(struct drm_atomic_state *state) |
ed6739ef | 13745 | { |
225da59b | 13746 | struct drm_device *dev = state->dev; |
ed6739ef | 13747 | struct drm_i915_private *dev_priv = to_i915(dev); |
ad421372 | 13748 | struct intel_shared_dpll_config *shared_dpll = NULL; |
0a9ab303 ACO |
13749 | struct drm_crtc *crtc; |
13750 | struct drm_crtc_state *crtc_state; | |
0a9ab303 | 13751 | int i; |
ed6739ef ACO |
13752 | |
13753 | if (!dev_priv->display.crtc_compute_clock) | |
ad421372 | 13754 | return; |
ed6739ef | 13755 | |
0a9ab303 | 13756 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
fb1a38a9 | 13757 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8106ddbd ACO |
13758 | struct intel_shared_dpll *old_dpll = |
13759 | to_intel_crtc_state(crtc->state)->shared_dpll; | |
0a9ab303 | 13760 | |
fb1a38a9 | 13761 | if (!needs_modeset(crtc_state)) |
225da59b ACO |
13762 | continue; |
13763 | ||
8106ddbd | 13764 | to_intel_crtc_state(crtc_state)->shared_dpll = NULL; |
fb1a38a9 | 13765 | |
8106ddbd | 13766 | if (!old_dpll) |
fb1a38a9 | 13767 | continue; |
0a9ab303 | 13768 | |
ad421372 ML |
13769 | if (!shared_dpll) |
13770 | shared_dpll = intel_atomic_get_shared_dpll_state(state); | |
ed6739ef | 13771 | |
8106ddbd | 13772 | intel_shared_dpll_config_put(shared_dpll, old_dpll, intel_crtc); |
ad421372 | 13773 | } |
ed6739ef ACO |
13774 | } |
13775 | ||
99d736a2 ML |
13776 | /* |
13777 | * This implements the workaround described in the "notes" section of the mode | |
13778 | * set sequence documentation. When going from no pipes or single pipe to | |
13779 | * multiple pipes, and planes are enabled after the pipe, we need to wait at | |
13780 | * least 2 vblanks on the first pipe before enabling planes on the second pipe. | |
13781 | */ | |
13782 | static int haswell_mode_set_planes_workaround(struct drm_atomic_state *state) | |
13783 | { | |
13784 | struct drm_crtc_state *crtc_state; | |
13785 | struct intel_crtc *intel_crtc; | |
13786 | struct drm_crtc *crtc; | |
13787 | struct intel_crtc_state *first_crtc_state = NULL; | |
13788 | struct intel_crtc_state *other_crtc_state = NULL; | |
13789 | enum pipe first_pipe = INVALID_PIPE, enabled_pipe = INVALID_PIPE; | |
13790 | int i; | |
13791 | ||
13792 | /* look at all crtc's that are going to be enabled in during modeset */ | |
13793 | for_each_crtc_in_state(state, crtc, crtc_state, i) { | |
13794 | intel_crtc = to_intel_crtc(crtc); | |
13795 | ||
13796 | if (!crtc_state->active || !needs_modeset(crtc_state)) | |
13797 | continue; | |
13798 | ||
13799 | if (first_crtc_state) { | |
13800 | other_crtc_state = to_intel_crtc_state(crtc_state); | |
13801 | break; | |
13802 | } else { | |
13803 | first_crtc_state = to_intel_crtc_state(crtc_state); | |
13804 | first_pipe = intel_crtc->pipe; | |
13805 | } | |
13806 | } | |
13807 | ||
13808 | /* No workaround needed? */ | |
13809 | if (!first_crtc_state) | |
13810 | return 0; | |
13811 | ||
13812 | /* w/a possibly needed, check how many crtc's are already enabled. */ | |
13813 | for_each_intel_crtc(state->dev, intel_crtc) { | |
13814 | struct intel_crtc_state *pipe_config; | |
13815 | ||
13816 | pipe_config = intel_atomic_get_crtc_state(state, intel_crtc); | |
13817 | if (IS_ERR(pipe_config)) | |
13818 | return PTR_ERR(pipe_config); | |
13819 | ||
13820 | pipe_config->hsw_workaround_pipe = INVALID_PIPE; | |
13821 | ||
13822 | if (!pipe_config->base.active || | |
13823 | needs_modeset(&pipe_config->base)) | |
13824 | continue; | |
13825 | ||
13826 | /* 2 or more enabled crtcs means no need for w/a */ | |
13827 | if (enabled_pipe != INVALID_PIPE) | |
13828 | return 0; | |
13829 | ||
13830 | enabled_pipe = intel_crtc->pipe; | |
13831 | } | |
13832 | ||
13833 | if (enabled_pipe != INVALID_PIPE) | |
13834 | first_crtc_state->hsw_workaround_pipe = enabled_pipe; | |
13835 | else if (other_crtc_state) | |
13836 | other_crtc_state->hsw_workaround_pipe = first_pipe; | |
13837 | ||
13838 | return 0; | |
13839 | } | |
13840 | ||
27c329ed ML |
13841 | static int intel_modeset_all_pipes(struct drm_atomic_state *state) |
13842 | { | |
13843 | struct drm_crtc *crtc; | |
13844 | struct drm_crtc_state *crtc_state; | |
13845 | int ret = 0; | |
13846 | ||
13847 | /* add all active pipes to the state */ | |
13848 | for_each_crtc(state->dev, crtc) { | |
13849 | crtc_state = drm_atomic_get_crtc_state(state, crtc); | |
13850 | if (IS_ERR(crtc_state)) | |
13851 | return PTR_ERR(crtc_state); | |
13852 | ||
13853 | if (!crtc_state->active || needs_modeset(crtc_state)) | |
13854 | continue; | |
13855 | ||
13856 | crtc_state->mode_changed = true; | |
13857 | ||
13858 | ret = drm_atomic_add_affected_connectors(state, crtc); | |
13859 | if (ret) | |
13860 | break; | |
13861 | ||
13862 | ret = drm_atomic_add_affected_planes(state, crtc); | |
13863 | if (ret) | |
13864 | break; | |
13865 | } | |
13866 | ||
13867 | return ret; | |
13868 | } | |
13869 | ||
c347a676 | 13870 | static int intel_modeset_checks(struct drm_atomic_state *state) |
054518dd | 13871 | { |
565602d7 | 13872 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); |
fac5e23e | 13873 | struct drm_i915_private *dev_priv = to_i915(state->dev); |
565602d7 ML |
13874 | struct drm_crtc *crtc; |
13875 | struct drm_crtc_state *crtc_state; | |
13876 | int ret = 0, i; | |
054518dd | 13877 | |
b359283a ML |
13878 | if (!check_digital_port_conflicts(state)) { |
13879 | DRM_DEBUG_KMS("rejecting conflicting digital port configuration\n"); | |
13880 | return -EINVAL; | |
13881 | } | |
13882 | ||
565602d7 ML |
13883 | intel_state->modeset = true; |
13884 | intel_state->active_crtcs = dev_priv->active_crtcs; | |
13885 | ||
13886 | for_each_crtc_in_state(state, crtc, crtc_state, i) { | |
13887 | if (crtc_state->active) | |
13888 | intel_state->active_crtcs |= 1 << i; | |
13889 | else | |
13890 | intel_state->active_crtcs &= ~(1 << i); | |
8b4a7d05 MR |
13891 | |
13892 | if (crtc_state->active != crtc->state->active) | |
13893 | intel_state->active_pipe_changes |= drm_crtc_mask(crtc); | |
565602d7 ML |
13894 | } |
13895 | ||
054518dd ACO |
13896 | /* |
13897 | * See if the config requires any additional preparation, e.g. | |
13898 | * to adjust global state with pipes off. We need to do this | |
13899 | * here so we can get the modeset_pipe updated config for the new | |
13900 | * mode set on this crtc. For other crtcs we need to use the | |
13901 | * adjusted_mode bits in the crtc directly. | |
13902 | */ | |
27c329ed | 13903 | if (dev_priv->display.modeset_calc_cdclk) { |
c89e39f3 | 13904 | if (!intel_state->cdclk_pll_vco) |
63911d72 | 13905 | intel_state->cdclk_pll_vco = dev_priv->cdclk_pll.vco; |
b2045352 VS |
13906 | if (!intel_state->cdclk_pll_vco) |
13907 | intel_state->cdclk_pll_vco = dev_priv->skl_preferred_vco_freq; | |
c89e39f3 | 13908 | |
27c329ed | 13909 | ret = dev_priv->display.modeset_calc_cdclk(state); |
c89e39f3 CT |
13910 | if (ret < 0) |
13911 | return ret; | |
27c329ed | 13912 | |
c89e39f3 | 13913 | if (intel_state->dev_cdclk != dev_priv->cdclk_freq || |
63911d72 | 13914 | intel_state->cdclk_pll_vco != dev_priv->cdclk_pll.vco) |
27c329ed ML |
13915 | ret = intel_modeset_all_pipes(state); |
13916 | ||
13917 | if (ret < 0) | |
054518dd | 13918 | return ret; |
e8788cbc ML |
13919 | |
13920 | DRM_DEBUG_KMS("New cdclk calculated to be atomic %u, actual %u\n", | |
13921 | intel_state->cdclk, intel_state->dev_cdclk); | |
27c329ed | 13922 | } else |
1a617b77 | 13923 | to_intel_atomic_state(state)->cdclk = dev_priv->atomic_cdclk_freq; |
054518dd | 13924 | |
ad421372 | 13925 | intel_modeset_clear_plls(state); |
054518dd | 13926 | |
565602d7 | 13927 | if (IS_HASWELL(dev_priv)) |
ad421372 | 13928 | return haswell_mode_set_planes_workaround(state); |
99d736a2 | 13929 | |
ad421372 | 13930 | return 0; |
c347a676 ACO |
13931 | } |
13932 | ||
aa363136 MR |
13933 | /* |
13934 | * Handle calculation of various watermark data at the end of the atomic check | |
13935 | * phase. The code here should be run after the per-crtc and per-plane 'check' | |
13936 | * handlers to ensure that all derived state has been updated. | |
13937 | */ | |
55994c2c | 13938 | static int calc_watermark_data(struct drm_atomic_state *state) |
aa363136 MR |
13939 | { |
13940 | struct drm_device *dev = state->dev; | |
98d39494 | 13941 | struct drm_i915_private *dev_priv = to_i915(dev); |
98d39494 MR |
13942 | |
13943 | /* Is there platform-specific watermark information to calculate? */ | |
13944 | if (dev_priv->display.compute_global_watermarks) | |
55994c2c MR |
13945 | return dev_priv->display.compute_global_watermarks(state); |
13946 | ||
13947 | return 0; | |
aa363136 MR |
13948 | } |
13949 | ||
74c090b1 ML |
13950 | /** |
13951 | * intel_atomic_check - validate state object | |
13952 | * @dev: drm device | |
13953 | * @state: state to validate | |
13954 | */ | |
13955 | static int intel_atomic_check(struct drm_device *dev, | |
13956 | struct drm_atomic_state *state) | |
c347a676 | 13957 | { |
dd8b3bdb | 13958 | struct drm_i915_private *dev_priv = to_i915(dev); |
aa363136 | 13959 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); |
c347a676 ACO |
13960 | struct drm_crtc *crtc; |
13961 | struct drm_crtc_state *crtc_state; | |
13962 | int ret, i; | |
61333b60 | 13963 | bool any_ms = false; |
c347a676 | 13964 | |
74c090b1 | 13965 | ret = drm_atomic_helper_check_modeset(dev, state); |
054518dd ACO |
13966 | if (ret) |
13967 | return ret; | |
13968 | ||
c347a676 | 13969 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
cfb23ed6 ML |
13970 | struct intel_crtc_state *pipe_config = |
13971 | to_intel_crtc_state(crtc_state); | |
1ed51de9 DV |
13972 | |
13973 | /* Catch I915_MODE_FLAG_INHERITED */ | |
13974 | if (crtc_state->mode.private_flags != crtc->state->mode.private_flags) | |
13975 | crtc_state->mode_changed = true; | |
cfb23ed6 | 13976 | |
af4a879e | 13977 | if (!needs_modeset(crtc_state)) |
c347a676 ACO |
13978 | continue; |
13979 | ||
af4a879e DV |
13980 | if (!crtc_state->enable) { |
13981 | any_ms = true; | |
cfb23ed6 | 13982 | continue; |
af4a879e | 13983 | } |
cfb23ed6 | 13984 | |
26495481 DV |
13985 | /* FIXME: For only active_changed we shouldn't need to do any |
13986 | * state recomputation at all. */ | |
13987 | ||
1ed51de9 DV |
13988 | ret = drm_atomic_add_affected_connectors(state, crtc); |
13989 | if (ret) | |
13990 | return ret; | |
b359283a | 13991 | |
cfb23ed6 | 13992 | ret = intel_modeset_pipe_config(crtc, pipe_config); |
25aa1c39 ML |
13993 | if (ret) { |
13994 | intel_dump_pipe_config(to_intel_crtc(crtc), | |
13995 | pipe_config, "[failed]"); | |
c347a676 | 13996 | return ret; |
25aa1c39 | 13997 | } |
c347a676 | 13998 | |
73831236 | 13999 | if (i915.fastboot && |
dd8b3bdb | 14000 | intel_pipe_config_compare(dev, |
cfb23ed6 | 14001 | to_intel_crtc_state(crtc->state), |
1ed51de9 | 14002 | pipe_config, true)) { |
26495481 | 14003 | crtc_state->mode_changed = false; |
bfd16b2a | 14004 | to_intel_crtc_state(crtc_state)->update_pipe = true; |
26495481 DV |
14005 | } |
14006 | ||
af4a879e | 14007 | if (needs_modeset(crtc_state)) |
26495481 | 14008 | any_ms = true; |
cfb23ed6 | 14009 | |
af4a879e DV |
14010 | ret = drm_atomic_add_affected_planes(state, crtc); |
14011 | if (ret) | |
14012 | return ret; | |
61333b60 | 14013 | |
26495481 DV |
14014 | intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config, |
14015 | needs_modeset(crtc_state) ? | |
14016 | "[modeset]" : "[fastset]"); | |
c347a676 ACO |
14017 | } |
14018 | ||
61333b60 ML |
14019 | if (any_ms) { |
14020 | ret = intel_modeset_checks(state); | |
14021 | ||
14022 | if (ret) | |
14023 | return ret; | |
27c329ed | 14024 | } else |
dd8b3bdb | 14025 | intel_state->cdclk = dev_priv->cdclk_freq; |
76305b1a | 14026 | |
dd8b3bdb | 14027 | ret = drm_atomic_helper_check_planes(dev, state); |
aa363136 MR |
14028 | if (ret) |
14029 | return ret; | |
14030 | ||
f51be2e0 | 14031 | intel_fbc_choose_crtc(dev_priv, state); |
55994c2c | 14032 | return calc_watermark_data(state); |
054518dd ACO |
14033 | } |
14034 | ||
5008e874 ML |
14035 | static int intel_atomic_prepare_commit(struct drm_device *dev, |
14036 | struct drm_atomic_state *state, | |
81072bfd | 14037 | bool nonblock) |
5008e874 | 14038 | { |
fac5e23e | 14039 | struct drm_i915_private *dev_priv = to_i915(dev); |
7580d774 | 14040 | struct drm_plane_state *plane_state; |
5008e874 | 14041 | struct drm_crtc_state *crtc_state; |
7580d774 | 14042 | struct drm_plane *plane; |
5008e874 ML |
14043 | struct drm_crtc *crtc; |
14044 | int i, ret; | |
14045 | ||
5a21b665 DV |
14046 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
14047 | if (state->legacy_cursor_update) | |
a6747b73 ML |
14048 | continue; |
14049 | ||
5a21b665 DV |
14050 | ret = intel_crtc_wait_for_pending_flips(crtc); |
14051 | if (ret) | |
14052 | return ret; | |
5008e874 | 14053 | |
5a21b665 DV |
14054 | if (atomic_read(&to_intel_crtc(crtc)->unpin_work_count) >= 2) |
14055 | flush_workqueue(dev_priv->wq); | |
d55dbd06 ML |
14056 | } |
14057 | ||
f935675f ML |
14058 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
14059 | if (ret) | |
14060 | return ret; | |
14061 | ||
5008e874 | 14062 | ret = drm_atomic_helper_prepare_planes(dev, state); |
f7e5838b | 14063 | mutex_unlock(&dev->struct_mutex); |
7580d774 | 14064 | |
21daaeee | 14065 | if (!ret && !nonblock) { |
7580d774 ML |
14066 | for_each_plane_in_state(state, plane, plane_state, i) { |
14067 | struct intel_plane_state *intel_plane_state = | |
14068 | to_intel_plane_state(plane_state); | |
14069 | ||
14070 | if (!intel_plane_state->wait_req) | |
14071 | continue; | |
14072 | ||
776f3236 | 14073 | ret = i915_wait_request(intel_plane_state->wait_req, |
ea746f36 CW |
14074 | I915_WAIT_INTERRUPTIBLE, |
14075 | NULL, NULL); | |
f7e5838b | 14076 | if (ret) { |
f4457ae7 CW |
14077 | /* Any hang should be swallowed by the wait */ |
14078 | WARN_ON(ret == -EIO); | |
f7e5838b CW |
14079 | mutex_lock(&dev->struct_mutex); |
14080 | drm_atomic_helper_cleanup_planes(dev, state); | |
14081 | mutex_unlock(&dev->struct_mutex); | |
7580d774 | 14082 | break; |
f7e5838b | 14083 | } |
7580d774 | 14084 | } |
7580d774 | 14085 | } |
5008e874 ML |
14086 | |
14087 | return ret; | |
14088 | } | |
14089 | ||
a2991414 ML |
14090 | u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc) |
14091 | { | |
14092 | struct drm_device *dev = crtc->base.dev; | |
14093 | ||
14094 | if (!dev->max_vblank_count) | |
14095 | return drm_accurate_vblank_count(&crtc->base); | |
14096 | ||
14097 | return dev->driver->get_vblank_counter(dev, crtc->pipe); | |
14098 | } | |
14099 | ||
5a21b665 DV |
14100 | static void intel_atomic_wait_for_vblanks(struct drm_device *dev, |
14101 | struct drm_i915_private *dev_priv, | |
14102 | unsigned crtc_mask) | |
e8861675 | 14103 | { |
5a21b665 DV |
14104 | unsigned last_vblank_count[I915_MAX_PIPES]; |
14105 | enum pipe pipe; | |
14106 | int ret; | |
e8861675 | 14107 | |
5a21b665 DV |
14108 | if (!crtc_mask) |
14109 | return; | |
e8861675 | 14110 | |
5a21b665 DV |
14111 | for_each_pipe(dev_priv, pipe) { |
14112 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
e8861675 | 14113 | |
5a21b665 | 14114 | if (!((1 << pipe) & crtc_mask)) |
e8861675 ML |
14115 | continue; |
14116 | ||
5a21b665 DV |
14117 | ret = drm_crtc_vblank_get(crtc); |
14118 | if (WARN_ON(ret != 0)) { | |
14119 | crtc_mask &= ~(1 << pipe); | |
14120 | continue; | |
e8861675 ML |
14121 | } |
14122 | ||
5a21b665 | 14123 | last_vblank_count[pipe] = drm_crtc_vblank_count(crtc); |
e8861675 ML |
14124 | } |
14125 | ||
5a21b665 DV |
14126 | for_each_pipe(dev_priv, pipe) { |
14127 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
14128 | long lret; | |
e8861675 | 14129 | |
5a21b665 DV |
14130 | if (!((1 << pipe) & crtc_mask)) |
14131 | continue; | |
d55dbd06 | 14132 | |
5a21b665 DV |
14133 | lret = wait_event_timeout(dev->vblank[pipe].queue, |
14134 | last_vblank_count[pipe] != | |
14135 | drm_crtc_vblank_count(crtc), | |
14136 | msecs_to_jiffies(50)); | |
d55dbd06 | 14137 | |
5a21b665 | 14138 | WARN(!lret, "pipe %c vblank wait timed out\n", pipe_name(pipe)); |
d55dbd06 | 14139 | |
5a21b665 | 14140 | drm_crtc_vblank_put(crtc); |
d55dbd06 ML |
14141 | } |
14142 | } | |
14143 | ||
5a21b665 | 14144 | static bool needs_vblank_wait(struct intel_crtc_state *crtc_state) |
a6747b73 | 14145 | { |
5a21b665 DV |
14146 | /* fb updated, need to unpin old fb */ |
14147 | if (crtc_state->fb_changed) | |
14148 | return true; | |
a6747b73 | 14149 | |
5a21b665 DV |
14150 | /* wm changes, need vblank before final wm's */ |
14151 | if (crtc_state->update_wm_post) | |
14152 | return true; | |
a6747b73 | 14153 | |
5a21b665 DV |
14154 | /* |
14155 | * cxsr is re-enabled after vblank. | |
14156 | * This is already handled by crtc_state->update_wm_post, | |
14157 | * but added for clarity. | |
14158 | */ | |
14159 | if (crtc_state->disable_cxsr) | |
14160 | return true; | |
a6747b73 | 14161 | |
5a21b665 | 14162 | return false; |
e8861675 ML |
14163 | } |
14164 | ||
896e5bb0 L |
14165 | static void intel_update_crtc(struct drm_crtc *crtc, |
14166 | struct drm_atomic_state *state, | |
14167 | struct drm_crtc_state *old_crtc_state, | |
14168 | unsigned int *crtc_vblank_mask) | |
14169 | { | |
14170 | struct drm_device *dev = crtc->dev; | |
14171 | struct drm_i915_private *dev_priv = to_i915(dev); | |
14172 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
14173 | struct intel_crtc_state *pipe_config = to_intel_crtc_state(crtc->state); | |
14174 | bool modeset = needs_modeset(crtc->state); | |
14175 | ||
14176 | if (modeset) { | |
14177 | update_scanline_offset(intel_crtc); | |
14178 | dev_priv->display.crtc_enable(pipe_config, state); | |
14179 | } else { | |
14180 | intel_pre_plane_update(to_intel_crtc_state(old_crtc_state)); | |
14181 | } | |
14182 | ||
14183 | if (drm_atomic_get_existing_plane_state(state, crtc->primary)) { | |
14184 | intel_fbc_enable( | |
14185 | intel_crtc, pipe_config, | |
14186 | to_intel_plane_state(crtc->primary->state)); | |
14187 | } | |
14188 | ||
14189 | drm_atomic_helper_commit_planes_on_crtc(old_crtc_state); | |
14190 | ||
14191 | if (needs_vblank_wait(pipe_config)) | |
14192 | *crtc_vblank_mask |= drm_crtc_mask(crtc); | |
14193 | } | |
14194 | ||
14195 | static void intel_update_crtcs(struct drm_atomic_state *state, | |
14196 | unsigned int *crtc_vblank_mask) | |
14197 | { | |
14198 | struct drm_crtc *crtc; | |
14199 | struct drm_crtc_state *old_crtc_state; | |
14200 | int i; | |
14201 | ||
14202 | for_each_crtc_in_state(state, crtc, old_crtc_state, i) { | |
14203 | if (!crtc->state->active) | |
14204 | continue; | |
14205 | ||
14206 | intel_update_crtc(crtc, state, old_crtc_state, | |
14207 | crtc_vblank_mask); | |
14208 | } | |
14209 | } | |
14210 | ||
27082493 L |
14211 | static void skl_update_crtcs(struct drm_atomic_state *state, |
14212 | unsigned int *crtc_vblank_mask) | |
14213 | { | |
14214 | struct drm_device *dev = state->dev; | |
14215 | struct drm_i915_private *dev_priv = to_i915(dev); | |
14216 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); | |
14217 | struct drm_crtc *crtc; | |
14218 | struct drm_crtc_state *old_crtc_state; | |
14219 | struct skl_ddb_allocation *new_ddb = &intel_state->wm_results.ddb; | |
14220 | struct skl_ddb_allocation *cur_ddb = &dev_priv->wm.skl_hw.ddb; | |
14221 | unsigned int updated = 0; | |
14222 | bool progress; | |
14223 | enum pipe pipe; | |
14224 | ||
14225 | /* | |
14226 | * Whenever the number of active pipes changes, we need to make sure we | |
14227 | * update the pipes in the right order so that their ddb allocations | |
14228 | * never overlap with eachother inbetween CRTC updates. Otherwise we'll | |
14229 | * cause pipe underruns and other bad stuff. | |
14230 | */ | |
14231 | do { | |
14232 | int i; | |
14233 | progress = false; | |
14234 | ||
14235 | for_each_crtc_in_state(state, crtc, old_crtc_state, i) { | |
14236 | bool vbl_wait = false; | |
14237 | unsigned int cmask = drm_crtc_mask(crtc); | |
14238 | pipe = to_intel_crtc(crtc)->pipe; | |
14239 | ||
14240 | if (updated & cmask || !crtc->state->active) | |
14241 | continue; | |
14242 | if (skl_ddb_allocation_overlaps(state, cur_ddb, new_ddb, | |
14243 | pipe)) | |
14244 | continue; | |
14245 | ||
14246 | updated |= cmask; | |
14247 | ||
14248 | /* | |
14249 | * If this is an already active pipe, it's DDB changed, | |
14250 | * and this isn't the last pipe that needs updating | |
14251 | * then we need to wait for a vblank to pass for the | |
14252 | * new ddb allocation to take effect. | |
14253 | */ | |
14254 | if (!skl_ddb_allocation_equals(cur_ddb, new_ddb, pipe) && | |
14255 | !crtc->state->active_changed && | |
14256 | intel_state->wm_results.dirty_pipes != updated) | |
14257 | vbl_wait = true; | |
14258 | ||
14259 | intel_update_crtc(crtc, state, old_crtc_state, | |
14260 | crtc_vblank_mask); | |
14261 | ||
14262 | if (vbl_wait) | |
14263 | intel_wait_for_vblank(dev, pipe); | |
14264 | ||
14265 | progress = true; | |
14266 | } | |
14267 | } while (progress); | |
14268 | } | |
14269 | ||
94f05024 | 14270 | static void intel_atomic_commit_tail(struct drm_atomic_state *state) |
a6778b3c | 14271 | { |
94f05024 | 14272 | struct drm_device *dev = state->dev; |
565602d7 | 14273 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); |
fac5e23e | 14274 | struct drm_i915_private *dev_priv = to_i915(dev); |
29ceb0e6 | 14275 | struct drm_crtc_state *old_crtc_state; |
7580d774 | 14276 | struct drm_crtc *crtc; |
5a21b665 | 14277 | struct intel_crtc_state *intel_cstate; |
94f05024 DV |
14278 | struct drm_plane *plane; |
14279 | struct drm_plane_state *plane_state; | |
5a21b665 DV |
14280 | bool hw_check = intel_state->modeset; |
14281 | unsigned long put_domains[I915_MAX_PIPES] = {}; | |
14282 | unsigned crtc_vblank_mask = 0; | |
94f05024 | 14283 | int i, ret; |
a6778b3c | 14284 | |
94f05024 DV |
14285 | for_each_plane_in_state(state, plane, plane_state, i) { |
14286 | struct intel_plane_state *intel_plane_state = | |
14287 | to_intel_plane_state(plane_state); | |
ea0000f0 | 14288 | |
94f05024 DV |
14289 | if (!intel_plane_state->wait_req) |
14290 | continue; | |
d4afb8cc | 14291 | |
776f3236 | 14292 | ret = i915_wait_request(intel_plane_state->wait_req, |
ea746f36 | 14293 | 0, NULL, NULL); |
94f05024 DV |
14294 | /* EIO should be eaten, and we can't get interrupted in the |
14295 | * worker, and blocking commits have waited already. */ | |
14296 | WARN_ON(ret); | |
14297 | } | |
1c5e19f8 | 14298 | |
ea0000f0 DV |
14299 | drm_atomic_helper_wait_for_dependencies(state); |
14300 | ||
565602d7 ML |
14301 | if (intel_state->modeset) { |
14302 | memcpy(dev_priv->min_pixclk, intel_state->min_pixclk, | |
14303 | sizeof(intel_state->min_pixclk)); | |
14304 | dev_priv->active_crtcs = intel_state->active_crtcs; | |
1a617b77 | 14305 | dev_priv->atomic_cdclk_freq = intel_state->cdclk; |
5a21b665 DV |
14306 | |
14307 | intel_display_power_get(dev_priv, POWER_DOMAIN_MODESET); | |
565602d7 ML |
14308 | } |
14309 | ||
29ceb0e6 | 14310 | for_each_crtc_in_state(state, crtc, old_crtc_state, i) { |
a539205a ML |
14311 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
14312 | ||
5a21b665 DV |
14313 | if (needs_modeset(crtc->state) || |
14314 | to_intel_crtc_state(crtc->state)->update_pipe) { | |
14315 | hw_check = true; | |
14316 | ||
14317 | put_domains[to_intel_crtc(crtc)->pipe] = | |
14318 | modeset_get_crtc_power_domains(crtc, | |
14319 | to_intel_crtc_state(crtc->state)); | |
14320 | } | |
14321 | ||
61333b60 ML |
14322 | if (!needs_modeset(crtc->state)) |
14323 | continue; | |
14324 | ||
29ceb0e6 | 14325 | intel_pre_plane_update(to_intel_crtc_state(old_crtc_state)); |
460da916 | 14326 | |
29ceb0e6 VS |
14327 | if (old_crtc_state->active) { |
14328 | intel_crtc_disable_planes(crtc, old_crtc_state->plane_mask); | |
4a806558 | 14329 | dev_priv->display.crtc_disable(to_intel_crtc_state(old_crtc_state), state); |
eddfcbcd | 14330 | intel_crtc->active = false; |
58f9c0bc | 14331 | intel_fbc_disable(intel_crtc); |
eddfcbcd | 14332 | intel_disable_shared_dpll(intel_crtc); |
9bbc8258 VS |
14333 | |
14334 | /* | |
14335 | * Underruns don't always raise | |
14336 | * interrupts, so check manually. | |
14337 | */ | |
14338 | intel_check_cpu_fifo_underruns(dev_priv); | |
14339 | intel_check_pch_fifo_underruns(dev_priv); | |
b9001114 ML |
14340 | |
14341 | if (!crtc->state->active) | |
14342 | intel_update_watermarks(crtc); | |
a539205a | 14343 | } |
b8cecdf5 | 14344 | } |
7758a113 | 14345 | |
ea9d758d DV |
14346 | /* Only after disabling all output pipelines that will be changed can we |
14347 | * update the the output configuration. */ | |
4740b0f2 | 14348 | intel_modeset_update_crtc_state(state); |
f6e5b160 | 14349 | |
565602d7 | 14350 | if (intel_state->modeset) { |
4740b0f2 | 14351 | drm_atomic_helper_update_legacy_modeset_state(state->dev, state); |
33c8df89 ML |
14352 | |
14353 | if (dev_priv->display.modeset_commit_cdclk && | |
c89e39f3 | 14354 | (intel_state->dev_cdclk != dev_priv->cdclk_freq || |
63911d72 | 14355 | intel_state->cdclk_pll_vco != dev_priv->cdclk_pll.vco)) |
33c8df89 | 14356 | dev_priv->display.modeset_commit_cdclk(state); |
f6d1973d | 14357 | |
656d1b89 L |
14358 | /* |
14359 | * SKL workaround: bspec recommends we disable the SAGV when we | |
14360 | * have more then one pipe enabled | |
14361 | */ | |
14362 | if (IS_SKYLAKE(dev_priv) && !skl_can_enable_sagv(state)) | |
14363 | skl_disable_sagv(dev_priv); | |
14364 | ||
c0ead703 | 14365 | intel_modeset_verify_disabled(dev); |
4740b0f2 | 14366 | } |
47fab737 | 14367 | |
896e5bb0 | 14368 | /* Complete the events for pipes that have now been disabled */ |
29ceb0e6 | 14369 | for_each_crtc_in_state(state, crtc, old_crtc_state, i) { |
f6ac4b2a | 14370 | bool modeset = needs_modeset(crtc->state); |
80715b2f | 14371 | |
1f7528c4 DV |
14372 | /* Complete events for now disable pipes here. */ |
14373 | if (modeset && !crtc->state->active && crtc->state->event) { | |
14374 | spin_lock_irq(&dev->event_lock); | |
14375 | drm_crtc_send_vblank_event(crtc, crtc->state->event); | |
14376 | spin_unlock_irq(&dev->event_lock); | |
14377 | ||
14378 | crtc->state->event = NULL; | |
14379 | } | |
177246a8 MR |
14380 | } |
14381 | ||
896e5bb0 L |
14382 | /* Now enable the clocks, plane, pipe, and connectors that we set up. */ |
14383 | dev_priv->display.update_crtcs(state, &crtc_vblank_mask); | |
14384 | ||
94f05024 DV |
14385 | /* FIXME: We should call drm_atomic_helper_commit_hw_done() here |
14386 | * already, but still need the state for the delayed optimization. To | |
14387 | * fix this: | |
14388 | * - wrap the optimization/post_plane_update stuff into a per-crtc work. | |
14389 | * - schedule that vblank worker _before_ calling hw_done | |
14390 | * - at the start of commit_tail, cancel it _synchrously | |
14391 | * - switch over to the vblank wait helper in the core after that since | |
14392 | * we don't need out special handling any more. | |
14393 | */ | |
5a21b665 DV |
14394 | if (!state->legacy_cursor_update) |
14395 | intel_atomic_wait_for_vblanks(dev, dev_priv, crtc_vblank_mask); | |
14396 | ||
14397 | /* | |
14398 | * Now that the vblank has passed, we can go ahead and program the | |
14399 | * optimal watermarks on platforms that need two-step watermark | |
14400 | * programming. | |
14401 | * | |
14402 | * TODO: Move this (and other cleanup) to an async worker eventually. | |
14403 | */ | |
14404 | for_each_crtc_in_state(state, crtc, old_crtc_state, i) { | |
14405 | intel_cstate = to_intel_crtc_state(crtc->state); | |
14406 | ||
14407 | if (dev_priv->display.optimize_watermarks) | |
14408 | dev_priv->display.optimize_watermarks(intel_cstate); | |
14409 | } | |
14410 | ||
14411 | for_each_crtc_in_state(state, crtc, old_crtc_state, i) { | |
14412 | intel_post_plane_update(to_intel_crtc_state(old_crtc_state)); | |
14413 | ||
14414 | if (put_domains[i]) | |
14415 | modeset_put_power_domains(dev_priv, put_domains[i]); | |
14416 | ||
14417 | intel_modeset_verify_crtc(crtc, old_crtc_state, crtc->state); | |
14418 | } | |
14419 | ||
656d1b89 L |
14420 | if (IS_SKYLAKE(dev_priv) && intel_state->modeset && |
14421 | skl_can_enable_sagv(state)) | |
14422 | skl_enable_sagv(dev_priv); | |
14423 | ||
94f05024 DV |
14424 | drm_atomic_helper_commit_hw_done(state); |
14425 | ||
5a21b665 DV |
14426 | if (intel_state->modeset) |
14427 | intel_display_power_put(dev_priv, POWER_DOMAIN_MODESET); | |
14428 | ||
14429 | mutex_lock(&dev->struct_mutex); | |
14430 | drm_atomic_helper_cleanup_planes(dev, state); | |
14431 | mutex_unlock(&dev->struct_mutex); | |
14432 | ||
ea0000f0 DV |
14433 | drm_atomic_helper_commit_cleanup_done(state); |
14434 | ||
ee165b1a | 14435 | drm_atomic_state_free(state); |
f30da187 | 14436 | |
75714940 MK |
14437 | /* As one of the primary mmio accessors, KMS has a high likelihood |
14438 | * of triggering bugs in unclaimed access. After we finish | |
14439 | * modesetting, see if an error has been flagged, and if so | |
14440 | * enable debugging for the next modeset - and hope we catch | |
14441 | * the culprit. | |
14442 | * | |
14443 | * XXX note that we assume display power is on at this point. | |
14444 | * This might hold true now but we need to add pm helper to check | |
14445 | * unclaimed only when the hardware is on, as atomic commits | |
14446 | * can happen also when the device is completely off. | |
14447 | */ | |
14448 | intel_uncore_arm_unclaimed_mmio_detection(dev_priv); | |
94f05024 DV |
14449 | } |
14450 | ||
14451 | static void intel_atomic_commit_work(struct work_struct *work) | |
14452 | { | |
14453 | struct drm_atomic_state *state = container_of(work, | |
14454 | struct drm_atomic_state, | |
14455 | commit_work); | |
14456 | intel_atomic_commit_tail(state); | |
14457 | } | |
14458 | ||
6c9c1b38 DV |
14459 | static void intel_atomic_track_fbs(struct drm_atomic_state *state) |
14460 | { | |
14461 | struct drm_plane_state *old_plane_state; | |
14462 | struct drm_plane *plane; | |
6c9c1b38 DV |
14463 | int i; |
14464 | ||
faf5bf0a CW |
14465 | for_each_plane_in_state(state, plane, old_plane_state, i) |
14466 | i915_gem_track_fb(intel_fb_obj(old_plane_state->fb), | |
14467 | intel_fb_obj(plane->state->fb), | |
14468 | to_intel_plane(plane)->frontbuffer_bit); | |
6c9c1b38 DV |
14469 | } |
14470 | ||
94f05024 DV |
14471 | /** |
14472 | * intel_atomic_commit - commit validated state object | |
14473 | * @dev: DRM device | |
14474 | * @state: the top-level driver state object | |
14475 | * @nonblock: nonblocking commit | |
14476 | * | |
14477 | * This function commits a top-level state object that has been validated | |
14478 | * with drm_atomic_helper_check(). | |
14479 | * | |
14480 | * FIXME: Atomic modeset support for i915 is not yet complete. At the moment | |
14481 | * nonblocking commits are only safe for pure plane updates. Everything else | |
14482 | * should work though. | |
14483 | * | |
14484 | * RETURNS | |
14485 | * Zero for success or -errno. | |
14486 | */ | |
14487 | static int intel_atomic_commit(struct drm_device *dev, | |
14488 | struct drm_atomic_state *state, | |
14489 | bool nonblock) | |
14490 | { | |
14491 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); | |
fac5e23e | 14492 | struct drm_i915_private *dev_priv = to_i915(dev); |
94f05024 DV |
14493 | int ret = 0; |
14494 | ||
14495 | if (intel_state->modeset && nonblock) { | |
14496 | DRM_DEBUG_KMS("nonblocking commit for modeset not yet implemented.\n"); | |
14497 | return -EINVAL; | |
14498 | } | |
14499 | ||
14500 | ret = drm_atomic_helper_setup_commit(state, nonblock); | |
14501 | if (ret) | |
14502 | return ret; | |
14503 | ||
14504 | INIT_WORK(&state->commit_work, intel_atomic_commit_work); | |
14505 | ||
14506 | ret = intel_atomic_prepare_commit(dev, state, nonblock); | |
14507 | if (ret) { | |
14508 | DRM_DEBUG_ATOMIC("Preparing state failed with %i\n", ret); | |
14509 | return ret; | |
14510 | } | |
14511 | ||
14512 | drm_atomic_helper_swap_state(state, true); | |
14513 | dev_priv->wm.distrust_bios_wm = false; | |
14514 | dev_priv->wm.skl_results = intel_state->wm_results; | |
14515 | intel_shared_dpll_commit(state); | |
6c9c1b38 | 14516 | intel_atomic_track_fbs(state); |
94f05024 DV |
14517 | |
14518 | if (nonblock) | |
14519 | queue_work(system_unbound_wq, &state->commit_work); | |
14520 | else | |
14521 | intel_atomic_commit_tail(state); | |
75714940 | 14522 | |
74c090b1 | 14523 | return 0; |
7f27126e JB |
14524 | } |
14525 | ||
c0c36b94 CW |
14526 | void intel_crtc_restore_mode(struct drm_crtc *crtc) |
14527 | { | |
83a57153 ACO |
14528 | struct drm_device *dev = crtc->dev; |
14529 | struct drm_atomic_state *state; | |
e694eb02 | 14530 | struct drm_crtc_state *crtc_state; |
2bfb4627 | 14531 | int ret; |
83a57153 ACO |
14532 | |
14533 | state = drm_atomic_state_alloc(dev); | |
14534 | if (!state) { | |
78108b7c VS |
14535 | DRM_DEBUG_KMS("[CRTC:%d:%s] crtc restore failed, out of memory", |
14536 | crtc->base.id, crtc->name); | |
83a57153 ACO |
14537 | return; |
14538 | } | |
14539 | ||
e694eb02 | 14540 | state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc); |
83a57153 | 14541 | |
e694eb02 ML |
14542 | retry: |
14543 | crtc_state = drm_atomic_get_crtc_state(state, crtc); | |
14544 | ret = PTR_ERR_OR_ZERO(crtc_state); | |
14545 | if (!ret) { | |
14546 | if (!crtc_state->active) | |
14547 | goto out; | |
83a57153 | 14548 | |
e694eb02 | 14549 | crtc_state->mode_changed = true; |
74c090b1 | 14550 | ret = drm_atomic_commit(state); |
83a57153 ACO |
14551 | } |
14552 | ||
e694eb02 ML |
14553 | if (ret == -EDEADLK) { |
14554 | drm_atomic_state_clear(state); | |
14555 | drm_modeset_backoff(state->acquire_ctx); | |
14556 | goto retry; | |
4ed9fb37 | 14557 | } |
4be07317 | 14558 | |
2bfb4627 | 14559 | if (ret) |
e694eb02 | 14560 | out: |
2bfb4627 | 14561 | drm_atomic_state_free(state); |
c0c36b94 CW |
14562 | } |
14563 | ||
a8784875 BP |
14564 | /* |
14565 | * FIXME: Remove this once i915 is fully DRIVER_ATOMIC by calling | |
14566 | * drm_atomic_helper_legacy_gamma_set() directly. | |
14567 | */ | |
14568 | static int intel_atomic_legacy_gamma_set(struct drm_crtc *crtc, | |
14569 | u16 *red, u16 *green, u16 *blue, | |
14570 | uint32_t size) | |
14571 | { | |
14572 | struct drm_device *dev = crtc->dev; | |
14573 | struct drm_mode_config *config = &dev->mode_config; | |
14574 | struct drm_crtc_state *state; | |
14575 | int ret; | |
14576 | ||
14577 | ret = drm_atomic_helper_legacy_gamma_set(crtc, red, green, blue, size); | |
14578 | if (ret) | |
14579 | return ret; | |
14580 | ||
14581 | /* | |
14582 | * Make sure we update the legacy properties so this works when | |
14583 | * atomic is not enabled. | |
14584 | */ | |
14585 | ||
14586 | state = crtc->state; | |
14587 | ||
14588 | drm_object_property_set_value(&crtc->base, | |
14589 | config->degamma_lut_property, | |
14590 | (state->degamma_lut) ? | |
14591 | state->degamma_lut->base.id : 0); | |
14592 | ||
14593 | drm_object_property_set_value(&crtc->base, | |
14594 | config->ctm_property, | |
14595 | (state->ctm) ? | |
14596 | state->ctm->base.id : 0); | |
14597 | ||
14598 | drm_object_property_set_value(&crtc->base, | |
14599 | config->gamma_lut_property, | |
14600 | (state->gamma_lut) ? | |
14601 | state->gamma_lut->base.id : 0); | |
14602 | ||
14603 | return 0; | |
14604 | } | |
14605 | ||
f6e5b160 | 14606 | static const struct drm_crtc_funcs intel_crtc_funcs = { |
a8784875 | 14607 | .gamma_set = intel_atomic_legacy_gamma_set, |
74c090b1 | 14608 | .set_config = drm_atomic_helper_set_config, |
82cf435b | 14609 | .set_property = drm_atomic_helper_crtc_set_property, |
f6e5b160 | 14610 | .destroy = intel_crtc_destroy, |
527b6abe | 14611 | .page_flip = intel_crtc_page_flip, |
1356837e MR |
14612 | .atomic_duplicate_state = intel_crtc_duplicate_state, |
14613 | .atomic_destroy_state = intel_crtc_destroy_state, | |
f6e5b160 CW |
14614 | }; |
14615 | ||
6beb8c23 MR |
14616 | /** |
14617 | * intel_prepare_plane_fb - Prepare fb for usage on plane | |
14618 | * @plane: drm plane to prepare for | |
14619 | * @fb: framebuffer to prepare for presentation | |
14620 | * | |
14621 | * Prepares a framebuffer for usage on a display plane. Generally this | |
14622 | * involves pinning the underlying object and updating the frontbuffer tracking | |
14623 | * bits. Some older platforms need special physical address handling for | |
14624 | * cursor planes. | |
14625 | * | |
f935675f ML |
14626 | * Must be called with struct_mutex held. |
14627 | * | |
6beb8c23 MR |
14628 | * Returns 0 on success, negative error code on failure. |
14629 | */ | |
14630 | int | |
14631 | intel_prepare_plane_fb(struct drm_plane *plane, | |
d136dfee | 14632 | const struct drm_plane_state *new_state) |
465c120c MR |
14633 | { |
14634 | struct drm_device *dev = plane->dev; | |
844f9111 | 14635 | struct drm_framebuffer *fb = new_state->fb; |
6beb8c23 | 14636 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
1ee49399 | 14637 | struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->state->fb); |
c37efb99 | 14638 | struct reservation_object *resv; |
6beb8c23 | 14639 | int ret = 0; |
465c120c | 14640 | |
1ee49399 | 14641 | if (!obj && !old_obj) |
465c120c MR |
14642 | return 0; |
14643 | ||
5008e874 ML |
14644 | if (old_obj) { |
14645 | struct drm_crtc_state *crtc_state = | |
14646 | drm_atomic_get_existing_crtc_state(new_state->state, plane->state->crtc); | |
14647 | ||
14648 | /* Big Hammer, we also need to ensure that any pending | |
14649 | * MI_WAIT_FOR_EVENT inside a user batch buffer on the | |
14650 | * current scanout is retired before unpinning the old | |
14651 | * framebuffer. Note that we rely on userspace rendering | |
14652 | * into the buffer attached to the pipe they are waiting | |
14653 | * on. If not, userspace generates a GPU hang with IPEHR | |
14654 | * point to the MI_WAIT_FOR_EVENT. | |
14655 | * | |
14656 | * This should only fail upon a hung GPU, in which case we | |
14657 | * can safely continue. | |
14658 | */ | |
14659 | if (needs_modeset(crtc_state)) | |
14660 | ret = i915_gem_object_wait_rendering(old_obj, true); | |
f4457ae7 CW |
14661 | if (ret) { |
14662 | /* GPU hangs should have been swallowed by the wait */ | |
14663 | WARN_ON(ret == -EIO); | |
f935675f | 14664 | return ret; |
f4457ae7 | 14665 | } |
5008e874 ML |
14666 | } |
14667 | ||
c37efb99 CW |
14668 | if (!obj) |
14669 | return 0; | |
14670 | ||
5a21b665 | 14671 | /* For framebuffer backed by dmabuf, wait for fence */ |
c37efb99 CW |
14672 | resv = i915_gem_object_get_dmabuf_resv(obj); |
14673 | if (resv) { | |
5a21b665 DV |
14674 | long lret; |
14675 | ||
c37efb99 | 14676 | lret = reservation_object_wait_timeout_rcu(resv, false, true, |
5a21b665 DV |
14677 | MAX_SCHEDULE_TIMEOUT); |
14678 | if (lret == -ERESTARTSYS) | |
14679 | return lret; | |
14680 | ||
14681 | WARN(lret < 0, "waiting returns %li\n", lret); | |
14682 | } | |
14683 | ||
c37efb99 | 14684 | if (plane->type == DRM_PLANE_TYPE_CURSOR && |
6beb8c23 MR |
14685 | INTEL_INFO(dev)->cursor_needs_physical) { |
14686 | int align = IS_I830(dev) ? 16 * 1024 : 256; | |
14687 | ret = i915_gem_object_attach_phys(obj, align); | |
14688 | if (ret) | |
14689 | DRM_DEBUG_KMS("failed to attach phys object\n"); | |
14690 | } else { | |
058d88c4 CW |
14691 | struct i915_vma *vma; |
14692 | ||
14693 | vma = intel_pin_and_fence_fb_obj(fb, new_state->rotation); | |
14694 | if (IS_ERR(vma)) | |
14695 | ret = PTR_ERR(vma); | |
6beb8c23 | 14696 | } |
465c120c | 14697 | |
c37efb99 | 14698 | if (ret == 0) { |
27c01aae | 14699 | to_intel_plane_state(new_state)->wait_req = |
d72d908b CW |
14700 | i915_gem_active_get(&obj->last_write, |
14701 | &obj->base.dev->struct_mutex); | |
7580d774 | 14702 | } |
fdd508a6 | 14703 | |
6beb8c23 MR |
14704 | return ret; |
14705 | } | |
14706 | ||
38f3ce3a MR |
14707 | /** |
14708 | * intel_cleanup_plane_fb - Cleans up an fb after plane use | |
14709 | * @plane: drm plane to clean up for | |
14710 | * @fb: old framebuffer that was on plane | |
14711 | * | |
14712 | * Cleans up a framebuffer that has just been removed from a plane. | |
f935675f ML |
14713 | * |
14714 | * Must be called with struct_mutex held. | |
38f3ce3a MR |
14715 | */ |
14716 | void | |
14717 | intel_cleanup_plane_fb(struct drm_plane *plane, | |
d136dfee | 14718 | const struct drm_plane_state *old_state) |
38f3ce3a MR |
14719 | { |
14720 | struct drm_device *dev = plane->dev; | |
7580d774 | 14721 | struct intel_plane_state *old_intel_state; |
84978257 | 14722 | struct intel_plane_state *intel_state = to_intel_plane_state(plane->state); |
1ee49399 ML |
14723 | struct drm_i915_gem_object *old_obj = intel_fb_obj(old_state->fb); |
14724 | struct drm_i915_gem_object *obj = intel_fb_obj(plane->state->fb); | |
38f3ce3a | 14725 | |
7580d774 ML |
14726 | old_intel_state = to_intel_plane_state(old_state); |
14727 | ||
1ee49399 | 14728 | if (!obj && !old_obj) |
38f3ce3a MR |
14729 | return; |
14730 | ||
1ee49399 ML |
14731 | if (old_obj && (plane->type != DRM_PLANE_TYPE_CURSOR || |
14732 | !INTEL_INFO(dev)->cursor_needs_physical)) | |
3465c580 | 14733 | intel_unpin_fb_obj(old_state->fb, old_state->rotation); |
1ee49399 | 14734 | |
84978257 | 14735 | i915_gem_request_assign(&intel_state->wait_req, NULL); |
7580d774 | 14736 | i915_gem_request_assign(&old_intel_state->wait_req, NULL); |
465c120c MR |
14737 | } |
14738 | ||
6156a456 CK |
14739 | int |
14740 | skl_max_scale(struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state) | |
14741 | { | |
14742 | int max_scale; | |
6156a456 CK |
14743 | int crtc_clock, cdclk; |
14744 | ||
bf8a0af0 | 14745 | if (!intel_crtc || !crtc_state->base.enable) |
6156a456 CK |
14746 | return DRM_PLANE_HELPER_NO_SCALING; |
14747 | ||
6156a456 | 14748 | crtc_clock = crtc_state->base.adjusted_mode.crtc_clock; |
27c329ed | 14749 | cdclk = to_intel_atomic_state(crtc_state->base.state)->cdclk; |
6156a456 | 14750 | |
54bf1ce6 | 14751 | if (WARN_ON_ONCE(!crtc_clock || cdclk < crtc_clock)) |
6156a456 CK |
14752 | return DRM_PLANE_HELPER_NO_SCALING; |
14753 | ||
14754 | /* | |
14755 | * skl max scale is lower of: | |
14756 | * close to 3 but not 3, -1 is for that purpose | |
14757 | * or | |
14758 | * cdclk/crtc_clock | |
14759 | */ | |
14760 | max_scale = min((1 << 16) * 3 - 1, (1 << 8) * ((cdclk << 8) / crtc_clock)); | |
14761 | ||
14762 | return max_scale; | |
14763 | } | |
14764 | ||
465c120c | 14765 | static int |
3c692a41 | 14766 | intel_check_primary_plane(struct drm_plane *plane, |
061e4b8d | 14767 | struct intel_crtc_state *crtc_state, |
3c692a41 GP |
14768 | struct intel_plane_state *state) |
14769 | { | |
b63a16f6 | 14770 | struct drm_i915_private *dev_priv = to_i915(plane->dev); |
2b875c22 | 14771 | struct drm_crtc *crtc = state->base.crtc; |
6156a456 | 14772 | int min_scale = DRM_PLANE_HELPER_NO_SCALING; |
061e4b8d ML |
14773 | int max_scale = DRM_PLANE_HELPER_NO_SCALING; |
14774 | bool can_position = false; | |
b63a16f6 | 14775 | int ret; |
465c120c | 14776 | |
b63a16f6 | 14777 | if (INTEL_GEN(dev_priv) >= 9) { |
693bdc28 VS |
14778 | /* use scaler when colorkey is not required */ |
14779 | if (state->ckey.flags == I915_SET_COLORKEY_NONE) { | |
14780 | min_scale = 1; | |
14781 | max_scale = skl_max_scale(to_intel_crtc(crtc), crtc_state); | |
14782 | } | |
d8106366 | 14783 | can_position = true; |
6156a456 | 14784 | } |
d8106366 | 14785 | |
cc926387 DV |
14786 | ret = drm_plane_helper_check_state(&state->base, |
14787 | &state->clip, | |
14788 | min_scale, max_scale, | |
14789 | can_position, true); | |
b63a16f6 VS |
14790 | if (ret) |
14791 | return ret; | |
14792 | ||
cc926387 | 14793 | if (!state->base.fb) |
b63a16f6 VS |
14794 | return 0; |
14795 | ||
14796 | if (INTEL_GEN(dev_priv) >= 9) { | |
14797 | ret = skl_check_plane_surface(state); | |
14798 | if (ret) | |
14799 | return ret; | |
14800 | } | |
14801 | ||
14802 | return 0; | |
14af293f GP |
14803 | } |
14804 | ||
5a21b665 DV |
14805 | static void intel_begin_crtc_commit(struct drm_crtc *crtc, |
14806 | struct drm_crtc_state *old_crtc_state) | |
14807 | { | |
14808 | struct drm_device *dev = crtc->dev; | |
62e0fb88 | 14809 | struct drm_i915_private *dev_priv = to_i915(dev); |
5a21b665 DV |
14810 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
14811 | struct intel_crtc_state *old_intel_state = | |
14812 | to_intel_crtc_state(old_crtc_state); | |
14813 | bool modeset = needs_modeset(crtc->state); | |
62e0fb88 | 14814 | enum pipe pipe = intel_crtc->pipe; |
5a21b665 DV |
14815 | |
14816 | /* Perform vblank evasion around commit operation */ | |
14817 | intel_pipe_update_start(intel_crtc); | |
14818 | ||
14819 | if (modeset) | |
14820 | return; | |
14821 | ||
14822 | if (crtc->state->color_mgmt_changed || to_intel_crtc_state(crtc->state)->update_pipe) { | |
14823 | intel_color_set_csc(crtc->state); | |
14824 | intel_color_load_luts(crtc->state); | |
14825 | } | |
14826 | ||
14827 | if (to_intel_crtc_state(crtc->state)->update_pipe) | |
14828 | intel_update_pipe_config(intel_crtc, old_intel_state); | |
62e0fb88 | 14829 | else if (INTEL_GEN(dev_priv) >= 9) { |
5a21b665 | 14830 | skl_detach_scalers(intel_crtc); |
62e0fb88 L |
14831 | |
14832 | I915_WRITE(PIPE_WM_LINETIME(pipe), | |
14833 | dev_priv->wm.skl_hw.wm_linetime[pipe]); | |
14834 | } | |
5a21b665 DV |
14835 | } |
14836 | ||
14837 | static void intel_finish_crtc_commit(struct drm_crtc *crtc, | |
14838 | struct drm_crtc_state *old_crtc_state) | |
14839 | { | |
14840 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
14841 | ||
14842 | intel_pipe_update_end(intel_crtc, NULL); | |
14843 | } | |
14844 | ||
cf4c7c12 | 14845 | /** |
4a3b8769 MR |
14846 | * intel_plane_destroy - destroy a plane |
14847 | * @plane: plane to destroy | |
cf4c7c12 | 14848 | * |
4a3b8769 MR |
14849 | * Common destruction function for all types of planes (primary, cursor, |
14850 | * sprite). | |
cf4c7c12 | 14851 | */ |
4a3b8769 | 14852 | void intel_plane_destroy(struct drm_plane *plane) |
465c120c | 14853 | { |
69ae561f VS |
14854 | if (!plane) |
14855 | return; | |
14856 | ||
465c120c | 14857 | drm_plane_cleanup(plane); |
69ae561f | 14858 | kfree(to_intel_plane(plane)); |
465c120c MR |
14859 | } |
14860 | ||
65a3fea0 | 14861 | const struct drm_plane_funcs intel_plane_funcs = { |
70a101f8 MR |
14862 | .update_plane = drm_atomic_helper_update_plane, |
14863 | .disable_plane = drm_atomic_helper_disable_plane, | |
3d7d6510 | 14864 | .destroy = intel_plane_destroy, |
c196e1d6 | 14865 | .set_property = drm_atomic_helper_plane_set_property, |
a98b3431 MR |
14866 | .atomic_get_property = intel_plane_atomic_get_property, |
14867 | .atomic_set_property = intel_plane_atomic_set_property, | |
ea2c67bb MR |
14868 | .atomic_duplicate_state = intel_plane_duplicate_state, |
14869 | .atomic_destroy_state = intel_plane_destroy_state, | |
14870 | ||
465c120c MR |
14871 | }; |
14872 | ||
14873 | static struct drm_plane *intel_primary_plane_create(struct drm_device *dev, | |
14874 | int pipe) | |
14875 | { | |
fca0ce2a VS |
14876 | struct intel_plane *primary = NULL; |
14877 | struct intel_plane_state *state = NULL; | |
465c120c | 14878 | const uint32_t *intel_primary_formats; |
45e3743a | 14879 | unsigned int num_formats; |
fca0ce2a | 14880 | int ret; |
465c120c MR |
14881 | |
14882 | primary = kzalloc(sizeof(*primary), GFP_KERNEL); | |
fca0ce2a VS |
14883 | if (!primary) |
14884 | goto fail; | |
465c120c | 14885 | |
8e7d688b | 14886 | state = intel_create_plane_state(&primary->base); |
fca0ce2a VS |
14887 | if (!state) |
14888 | goto fail; | |
8e7d688b | 14889 | primary->base.state = &state->base; |
ea2c67bb | 14890 | |
465c120c MR |
14891 | primary->can_scale = false; |
14892 | primary->max_downscale = 1; | |
6156a456 CK |
14893 | if (INTEL_INFO(dev)->gen >= 9) { |
14894 | primary->can_scale = true; | |
af99ceda | 14895 | state->scaler_id = -1; |
6156a456 | 14896 | } |
465c120c MR |
14897 | primary->pipe = pipe; |
14898 | primary->plane = pipe; | |
a9ff8714 | 14899 | primary->frontbuffer_bit = INTEL_FRONTBUFFER_PRIMARY(pipe); |
c59cb179 | 14900 | primary->check_plane = intel_check_primary_plane; |
465c120c MR |
14901 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) |
14902 | primary->plane = !pipe; | |
14903 | ||
6c0fd451 DL |
14904 | if (INTEL_INFO(dev)->gen >= 9) { |
14905 | intel_primary_formats = skl_primary_formats; | |
14906 | num_formats = ARRAY_SIZE(skl_primary_formats); | |
a8d201af ML |
14907 | |
14908 | primary->update_plane = skylake_update_primary_plane; | |
14909 | primary->disable_plane = skylake_disable_primary_plane; | |
14910 | } else if (HAS_PCH_SPLIT(dev)) { | |
14911 | intel_primary_formats = i965_primary_formats; | |
14912 | num_formats = ARRAY_SIZE(i965_primary_formats); | |
14913 | ||
14914 | primary->update_plane = ironlake_update_primary_plane; | |
14915 | primary->disable_plane = i9xx_disable_primary_plane; | |
6c0fd451 | 14916 | } else if (INTEL_INFO(dev)->gen >= 4) { |
568db4f2 DL |
14917 | intel_primary_formats = i965_primary_formats; |
14918 | num_formats = ARRAY_SIZE(i965_primary_formats); | |
a8d201af ML |
14919 | |
14920 | primary->update_plane = i9xx_update_primary_plane; | |
14921 | primary->disable_plane = i9xx_disable_primary_plane; | |
6c0fd451 DL |
14922 | } else { |
14923 | intel_primary_formats = i8xx_primary_formats; | |
14924 | num_formats = ARRAY_SIZE(i8xx_primary_formats); | |
a8d201af ML |
14925 | |
14926 | primary->update_plane = i9xx_update_primary_plane; | |
14927 | primary->disable_plane = i9xx_disable_primary_plane; | |
465c120c MR |
14928 | } |
14929 | ||
38573dc1 VS |
14930 | if (INTEL_INFO(dev)->gen >= 9) |
14931 | ret = drm_universal_plane_init(dev, &primary->base, 0, | |
14932 | &intel_plane_funcs, | |
14933 | intel_primary_formats, num_formats, | |
14934 | DRM_PLANE_TYPE_PRIMARY, | |
14935 | "plane 1%c", pipe_name(pipe)); | |
14936 | else if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) | |
14937 | ret = drm_universal_plane_init(dev, &primary->base, 0, | |
14938 | &intel_plane_funcs, | |
14939 | intel_primary_formats, num_formats, | |
14940 | DRM_PLANE_TYPE_PRIMARY, | |
14941 | "primary %c", pipe_name(pipe)); | |
14942 | else | |
14943 | ret = drm_universal_plane_init(dev, &primary->base, 0, | |
14944 | &intel_plane_funcs, | |
14945 | intel_primary_formats, num_formats, | |
14946 | DRM_PLANE_TYPE_PRIMARY, | |
14947 | "plane %c", plane_name(primary->plane)); | |
fca0ce2a VS |
14948 | if (ret) |
14949 | goto fail; | |
48404c1e | 14950 | |
3b7a5119 SJ |
14951 | if (INTEL_INFO(dev)->gen >= 4) |
14952 | intel_create_rotation_property(dev, primary); | |
48404c1e | 14953 | |
ea2c67bb MR |
14954 | drm_plane_helper_add(&primary->base, &intel_plane_helper_funcs); |
14955 | ||
465c120c | 14956 | return &primary->base; |
fca0ce2a VS |
14957 | |
14958 | fail: | |
14959 | kfree(state); | |
14960 | kfree(primary); | |
14961 | ||
14962 | return NULL; | |
465c120c MR |
14963 | } |
14964 | ||
3b7a5119 SJ |
14965 | void intel_create_rotation_property(struct drm_device *dev, struct intel_plane *plane) |
14966 | { | |
14967 | if (!dev->mode_config.rotation_property) { | |
31ad61e4 JL |
14968 | unsigned long flags = DRM_ROTATE_0 | |
14969 | DRM_ROTATE_180; | |
3b7a5119 SJ |
14970 | |
14971 | if (INTEL_INFO(dev)->gen >= 9) | |
31ad61e4 | 14972 | flags |= DRM_ROTATE_90 | DRM_ROTATE_270; |
3b7a5119 SJ |
14973 | |
14974 | dev->mode_config.rotation_property = | |
14975 | drm_mode_create_rotation_property(dev, flags); | |
14976 | } | |
14977 | if (dev->mode_config.rotation_property) | |
14978 | drm_object_attach_property(&plane->base.base, | |
14979 | dev->mode_config.rotation_property, | |
14980 | plane->base.state->rotation); | |
14981 | } | |
14982 | ||
3d7d6510 | 14983 | static int |
852e787c | 14984 | intel_check_cursor_plane(struct drm_plane *plane, |
061e4b8d | 14985 | struct intel_crtc_state *crtc_state, |
852e787c | 14986 | struct intel_plane_state *state) |
3d7d6510 | 14987 | { |
2b875c22 | 14988 | struct drm_framebuffer *fb = state->base.fb; |
757f9a3e | 14989 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
b29ec92c | 14990 | enum pipe pipe = to_intel_plane(plane)->pipe; |
757f9a3e GP |
14991 | unsigned stride; |
14992 | int ret; | |
3d7d6510 | 14993 | |
f8856a44 VS |
14994 | ret = drm_plane_helper_check_state(&state->base, |
14995 | &state->clip, | |
14996 | DRM_PLANE_HELPER_NO_SCALING, | |
14997 | DRM_PLANE_HELPER_NO_SCALING, | |
14998 | true, true); | |
757f9a3e GP |
14999 | if (ret) |
15000 | return ret; | |
15001 | ||
757f9a3e GP |
15002 | /* if we want to turn off the cursor ignore width and height */ |
15003 | if (!obj) | |
da20eabd | 15004 | return 0; |
757f9a3e | 15005 | |
757f9a3e | 15006 | /* Check for which cursor types we support */ |
061e4b8d | 15007 | if (!cursor_size_ok(plane->dev, state->base.crtc_w, state->base.crtc_h)) { |
ea2c67bb MR |
15008 | DRM_DEBUG("Cursor dimension %dx%d not supported\n", |
15009 | state->base.crtc_w, state->base.crtc_h); | |
757f9a3e GP |
15010 | return -EINVAL; |
15011 | } | |
15012 | ||
ea2c67bb MR |
15013 | stride = roundup_pow_of_two(state->base.crtc_w) * 4; |
15014 | if (obj->base.size < stride * state->base.crtc_h) { | |
757f9a3e GP |
15015 | DRM_DEBUG_KMS("buffer is too small\n"); |
15016 | return -ENOMEM; | |
15017 | } | |
15018 | ||
3a656b54 | 15019 | if (fb->modifier[0] != DRM_FORMAT_MOD_NONE) { |
757f9a3e | 15020 | DRM_DEBUG_KMS("cursor cannot be tiled\n"); |
da20eabd | 15021 | return -EINVAL; |
32b7eeec MR |
15022 | } |
15023 | ||
b29ec92c VS |
15024 | /* |
15025 | * There's something wrong with the cursor on CHV pipe C. | |
15026 | * If it straddles the left edge of the screen then | |
15027 | * moving it away from the edge or disabling it often | |
15028 | * results in a pipe underrun, and often that can lead to | |
15029 | * dead pipe (constant underrun reported, and it scans | |
15030 | * out just a solid color). To recover from that, the | |
15031 | * display power well must be turned off and on again. | |
15032 | * Refuse the put the cursor into that compromised position. | |
15033 | */ | |
15034 | if (IS_CHERRYVIEW(plane->dev) && pipe == PIPE_C && | |
936e71e3 | 15035 | state->base.visible && state->base.crtc_x < 0) { |
b29ec92c VS |
15036 | DRM_DEBUG_KMS("CHV cursor C not allowed to straddle the left screen edge\n"); |
15037 | return -EINVAL; | |
15038 | } | |
15039 | ||
da20eabd | 15040 | return 0; |
852e787c | 15041 | } |
3d7d6510 | 15042 | |
a8ad0d8e ML |
15043 | static void |
15044 | intel_disable_cursor_plane(struct drm_plane *plane, | |
7fabf5ef | 15045 | struct drm_crtc *crtc) |
a8ad0d8e | 15046 | { |
f2858021 ML |
15047 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
15048 | ||
15049 | intel_crtc->cursor_addr = 0; | |
55a08b3f | 15050 | intel_crtc_update_cursor(crtc, NULL); |
a8ad0d8e ML |
15051 | } |
15052 | ||
f4a2cf29 | 15053 | static void |
55a08b3f ML |
15054 | intel_update_cursor_plane(struct drm_plane *plane, |
15055 | const struct intel_crtc_state *crtc_state, | |
15056 | const struct intel_plane_state *state) | |
852e787c | 15057 | { |
55a08b3f ML |
15058 | struct drm_crtc *crtc = crtc_state->base.crtc; |
15059 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ea2c67bb | 15060 | struct drm_device *dev = plane->dev; |
2b875c22 | 15061 | struct drm_i915_gem_object *obj = intel_fb_obj(state->base.fb); |
a912f12f | 15062 | uint32_t addr; |
852e787c | 15063 | |
f4a2cf29 | 15064 | if (!obj) |
a912f12f | 15065 | addr = 0; |
f4a2cf29 | 15066 | else if (!INTEL_INFO(dev)->cursor_needs_physical) |
058d88c4 | 15067 | addr = i915_gem_object_ggtt_offset(obj, NULL); |
f4a2cf29 | 15068 | else |
a912f12f | 15069 | addr = obj->phys_handle->busaddr; |
852e787c | 15070 | |
a912f12f | 15071 | intel_crtc->cursor_addr = addr; |
55a08b3f | 15072 | intel_crtc_update_cursor(crtc, state); |
852e787c GP |
15073 | } |
15074 | ||
3d7d6510 MR |
15075 | static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev, |
15076 | int pipe) | |
15077 | { | |
fca0ce2a VS |
15078 | struct intel_plane *cursor = NULL; |
15079 | struct intel_plane_state *state = NULL; | |
15080 | int ret; | |
3d7d6510 MR |
15081 | |
15082 | cursor = kzalloc(sizeof(*cursor), GFP_KERNEL); | |
fca0ce2a VS |
15083 | if (!cursor) |
15084 | goto fail; | |
3d7d6510 | 15085 | |
8e7d688b | 15086 | state = intel_create_plane_state(&cursor->base); |
fca0ce2a VS |
15087 | if (!state) |
15088 | goto fail; | |
8e7d688b | 15089 | cursor->base.state = &state->base; |
ea2c67bb | 15090 | |
3d7d6510 MR |
15091 | cursor->can_scale = false; |
15092 | cursor->max_downscale = 1; | |
15093 | cursor->pipe = pipe; | |
15094 | cursor->plane = pipe; | |
a9ff8714 | 15095 | cursor->frontbuffer_bit = INTEL_FRONTBUFFER_CURSOR(pipe); |
c59cb179 | 15096 | cursor->check_plane = intel_check_cursor_plane; |
55a08b3f | 15097 | cursor->update_plane = intel_update_cursor_plane; |
a8ad0d8e | 15098 | cursor->disable_plane = intel_disable_cursor_plane; |
3d7d6510 | 15099 | |
fca0ce2a VS |
15100 | ret = drm_universal_plane_init(dev, &cursor->base, 0, |
15101 | &intel_plane_funcs, | |
15102 | intel_cursor_formats, | |
15103 | ARRAY_SIZE(intel_cursor_formats), | |
38573dc1 VS |
15104 | DRM_PLANE_TYPE_CURSOR, |
15105 | "cursor %c", pipe_name(pipe)); | |
fca0ce2a VS |
15106 | if (ret) |
15107 | goto fail; | |
4398ad45 VS |
15108 | |
15109 | if (INTEL_INFO(dev)->gen >= 4) { | |
15110 | if (!dev->mode_config.rotation_property) | |
15111 | dev->mode_config.rotation_property = | |
15112 | drm_mode_create_rotation_property(dev, | |
31ad61e4 JL |
15113 | DRM_ROTATE_0 | |
15114 | DRM_ROTATE_180); | |
4398ad45 VS |
15115 | if (dev->mode_config.rotation_property) |
15116 | drm_object_attach_property(&cursor->base.base, | |
15117 | dev->mode_config.rotation_property, | |
8e7d688b | 15118 | state->base.rotation); |
4398ad45 VS |
15119 | } |
15120 | ||
af99ceda CK |
15121 | if (INTEL_INFO(dev)->gen >=9) |
15122 | state->scaler_id = -1; | |
15123 | ||
ea2c67bb MR |
15124 | drm_plane_helper_add(&cursor->base, &intel_plane_helper_funcs); |
15125 | ||
3d7d6510 | 15126 | return &cursor->base; |
fca0ce2a VS |
15127 | |
15128 | fail: | |
15129 | kfree(state); | |
15130 | kfree(cursor); | |
15131 | ||
15132 | return NULL; | |
3d7d6510 MR |
15133 | } |
15134 | ||
549e2bfb CK |
15135 | static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_crtc, |
15136 | struct intel_crtc_state *crtc_state) | |
15137 | { | |
15138 | int i; | |
15139 | struct intel_scaler *intel_scaler; | |
15140 | struct intel_crtc_scaler_state *scaler_state = &crtc_state->scaler_state; | |
15141 | ||
15142 | for (i = 0; i < intel_crtc->num_scalers; i++) { | |
15143 | intel_scaler = &scaler_state->scalers[i]; | |
15144 | intel_scaler->in_use = 0; | |
549e2bfb CK |
15145 | intel_scaler->mode = PS_SCALER_MODE_DYN; |
15146 | } | |
15147 | ||
15148 | scaler_state->scaler_id = -1; | |
15149 | } | |
15150 | ||
b358d0a6 | 15151 | static void intel_crtc_init(struct drm_device *dev, int pipe) |
79e53945 | 15152 | { |
fac5e23e | 15153 | struct drm_i915_private *dev_priv = to_i915(dev); |
79e53945 | 15154 | struct intel_crtc *intel_crtc; |
f5de6e07 | 15155 | struct intel_crtc_state *crtc_state = NULL; |
3d7d6510 MR |
15156 | struct drm_plane *primary = NULL; |
15157 | struct drm_plane *cursor = NULL; | |
8563b1e8 | 15158 | int ret; |
79e53945 | 15159 | |
955382f3 | 15160 | intel_crtc = kzalloc(sizeof(*intel_crtc), GFP_KERNEL); |
79e53945 JB |
15161 | if (intel_crtc == NULL) |
15162 | return; | |
15163 | ||
f5de6e07 ACO |
15164 | crtc_state = kzalloc(sizeof(*crtc_state), GFP_KERNEL); |
15165 | if (!crtc_state) | |
15166 | goto fail; | |
550acefd ACO |
15167 | intel_crtc->config = crtc_state; |
15168 | intel_crtc->base.state = &crtc_state->base; | |
07878248 | 15169 | crtc_state->base.crtc = &intel_crtc->base; |
f5de6e07 | 15170 | |
549e2bfb CK |
15171 | /* initialize shared scalers */ |
15172 | if (INTEL_INFO(dev)->gen >= 9) { | |
15173 | if (pipe == PIPE_C) | |
15174 | intel_crtc->num_scalers = 1; | |
15175 | else | |
15176 | intel_crtc->num_scalers = SKL_NUM_SCALERS; | |
15177 | ||
15178 | skl_init_scalers(dev, intel_crtc, crtc_state); | |
15179 | } | |
15180 | ||
465c120c | 15181 | primary = intel_primary_plane_create(dev, pipe); |
3d7d6510 MR |
15182 | if (!primary) |
15183 | goto fail; | |
15184 | ||
15185 | cursor = intel_cursor_plane_create(dev, pipe); | |
15186 | if (!cursor) | |
15187 | goto fail; | |
15188 | ||
465c120c | 15189 | ret = drm_crtc_init_with_planes(dev, &intel_crtc->base, primary, |
4d5d72b7 VS |
15190 | cursor, &intel_crtc_funcs, |
15191 | "pipe %c", pipe_name(pipe)); | |
3d7d6510 MR |
15192 | if (ret) |
15193 | goto fail; | |
79e53945 | 15194 | |
1f1c2e24 VS |
15195 | /* |
15196 | * On gen2/3 only plane A can do fbc, but the panel fitter and lvds port | |
8c0f92e1 | 15197 | * is hooked to pipe B. Hence we want plane A feeding pipe B. |
1f1c2e24 | 15198 | */ |
80824003 JB |
15199 | intel_crtc->pipe = pipe; |
15200 | intel_crtc->plane = pipe; | |
3a77c4c4 | 15201 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) { |
28c97730 | 15202 | DRM_DEBUG_KMS("swapping pipes & planes for FBC\n"); |
e2e767ab | 15203 | intel_crtc->plane = !pipe; |
80824003 JB |
15204 | } |
15205 | ||
4b0e333e CW |
15206 | intel_crtc->cursor_base = ~0; |
15207 | intel_crtc->cursor_cntl = ~0; | |
dc41c154 | 15208 | intel_crtc->cursor_size = ~0; |
8d7849db | 15209 | |
852eb00d VS |
15210 | intel_crtc->wm.cxsr_allowed = true; |
15211 | ||
22fd0fab JB |
15212 | BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) || |
15213 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL); | |
15214 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] = &intel_crtc->base; | |
15215 | dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base; | |
15216 | ||
79e53945 | 15217 | drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs); |
87b6b101 | 15218 | |
8563b1e8 LL |
15219 | intel_color_init(&intel_crtc->base); |
15220 | ||
87b6b101 | 15221 | WARN_ON(drm_crtc_index(&intel_crtc->base) != intel_crtc->pipe); |
3d7d6510 MR |
15222 | return; |
15223 | ||
15224 | fail: | |
69ae561f VS |
15225 | intel_plane_destroy(primary); |
15226 | intel_plane_destroy(cursor); | |
f5de6e07 | 15227 | kfree(crtc_state); |
3d7d6510 | 15228 | kfree(intel_crtc); |
79e53945 JB |
15229 | } |
15230 | ||
752aa88a JB |
15231 | enum pipe intel_get_pipe_from_connector(struct intel_connector *connector) |
15232 | { | |
15233 | struct drm_encoder *encoder = connector->base.encoder; | |
6e9f798d | 15234 | struct drm_device *dev = connector->base.dev; |
752aa88a | 15235 | |
51fd371b | 15236 | WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); |
752aa88a | 15237 | |
d3babd3f | 15238 | if (!encoder || WARN_ON(!encoder->crtc)) |
752aa88a JB |
15239 | return INVALID_PIPE; |
15240 | ||
15241 | return to_intel_crtc(encoder->crtc)->pipe; | |
15242 | } | |
15243 | ||
08d7b3d1 | 15244 | int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, |
05394f39 | 15245 | struct drm_file *file) |
08d7b3d1 | 15246 | { |
08d7b3d1 | 15247 | struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; |
7707e653 | 15248 | struct drm_crtc *drmmode_crtc; |
c05422d5 | 15249 | struct intel_crtc *crtc; |
08d7b3d1 | 15250 | |
7707e653 | 15251 | drmmode_crtc = drm_crtc_find(dev, pipe_from_crtc_id->crtc_id); |
71240ed2 | 15252 | if (!drmmode_crtc) |
3f2c2057 | 15253 | return -ENOENT; |
08d7b3d1 | 15254 | |
7707e653 | 15255 | crtc = to_intel_crtc(drmmode_crtc); |
c05422d5 | 15256 | pipe_from_crtc_id->pipe = crtc->pipe; |
08d7b3d1 | 15257 | |
c05422d5 | 15258 | return 0; |
08d7b3d1 CW |
15259 | } |
15260 | ||
66a9278e | 15261 | static int intel_encoder_clones(struct intel_encoder *encoder) |
79e53945 | 15262 | { |
66a9278e DV |
15263 | struct drm_device *dev = encoder->base.dev; |
15264 | struct intel_encoder *source_encoder; | |
79e53945 | 15265 | int index_mask = 0; |
79e53945 JB |
15266 | int entry = 0; |
15267 | ||
b2784e15 | 15268 | for_each_intel_encoder(dev, source_encoder) { |
bc079e8b | 15269 | if (encoders_cloneable(encoder, source_encoder)) |
66a9278e DV |
15270 | index_mask |= (1 << entry); |
15271 | ||
79e53945 JB |
15272 | entry++; |
15273 | } | |
4ef69c7a | 15274 | |
79e53945 JB |
15275 | return index_mask; |
15276 | } | |
15277 | ||
4d302442 CW |
15278 | static bool has_edp_a(struct drm_device *dev) |
15279 | { | |
fac5e23e | 15280 | struct drm_i915_private *dev_priv = to_i915(dev); |
4d302442 CW |
15281 | |
15282 | if (!IS_MOBILE(dev)) | |
15283 | return false; | |
15284 | ||
15285 | if ((I915_READ(DP_A) & DP_DETECTED) == 0) | |
15286 | return false; | |
15287 | ||
e3589908 | 15288 | if (IS_GEN5(dev) && (I915_READ(FUSE_STRAP) & ILK_eDP_A_DISABLE)) |
4d302442 CW |
15289 | return false; |
15290 | ||
15291 | return true; | |
15292 | } | |
15293 | ||
84b4e042 JB |
15294 | static bool intel_crt_present(struct drm_device *dev) |
15295 | { | |
fac5e23e | 15296 | struct drm_i915_private *dev_priv = to_i915(dev); |
84b4e042 | 15297 | |
884497ed DL |
15298 | if (INTEL_INFO(dev)->gen >= 9) |
15299 | return false; | |
15300 | ||
cf404ce4 | 15301 | if (IS_HSW_ULT(dev) || IS_BDW_ULT(dev)) |
84b4e042 JB |
15302 | return false; |
15303 | ||
15304 | if (IS_CHERRYVIEW(dev)) | |
15305 | return false; | |
15306 | ||
65e472e4 VS |
15307 | if (HAS_PCH_LPT_H(dev) && I915_READ(SFUSE_STRAP) & SFUSE_STRAP_CRT_DISABLED) |
15308 | return false; | |
15309 | ||
70ac54d0 VS |
15310 | /* DDI E can't be used if DDI A requires 4 lanes */ |
15311 | if (HAS_DDI(dev) && I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES) | |
15312 | return false; | |
15313 | ||
e4abb733 | 15314 | if (!dev_priv->vbt.int_crt_support) |
84b4e042 JB |
15315 | return false; |
15316 | ||
15317 | return true; | |
15318 | } | |
15319 | ||
8090ba8c ID |
15320 | void intel_pps_unlock_regs_wa(struct drm_i915_private *dev_priv) |
15321 | { | |
15322 | int pps_num; | |
15323 | int pps_idx; | |
15324 | ||
15325 | if (HAS_DDI(dev_priv)) | |
15326 | return; | |
15327 | /* | |
15328 | * This w/a is needed at least on CPT/PPT, but to be sure apply it | |
15329 | * everywhere where registers can be write protected. | |
15330 | */ | |
15331 | if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) | |
15332 | pps_num = 2; | |
15333 | else | |
15334 | pps_num = 1; | |
15335 | ||
15336 | for (pps_idx = 0; pps_idx < pps_num; pps_idx++) { | |
15337 | u32 val = I915_READ(PP_CONTROL(pps_idx)); | |
15338 | ||
15339 | val = (val & ~PANEL_UNLOCK_MASK) | PANEL_UNLOCK_REGS; | |
15340 | I915_WRITE(PP_CONTROL(pps_idx), val); | |
15341 | } | |
15342 | } | |
15343 | ||
44cb734c ID |
15344 | static void intel_pps_init(struct drm_i915_private *dev_priv) |
15345 | { | |
15346 | if (HAS_PCH_SPLIT(dev_priv) || IS_BROXTON(dev_priv)) | |
15347 | dev_priv->pps_mmio_base = PCH_PPS_BASE; | |
15348 | else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) | |
15349 | dev_priv->pps_mmio_base = VLV_PPS_BASE; | |
15350 | else | |
15351 | dev_priv->pps_mmio_base = PPS_BASE; | |
8090ba8c ID |
15352 | |
15353 | intel_pps_unlock_regs_wa(dev_priv); | |
44cb734c ID |
15354 | } |
15355 | ||
79e53945 JB |
15356 | static void intel_setup_outputs(struct drm_device *dev) |
15357 | { | |
fac5e23e | 15358 | struct drm_i915_private *dev_priv = to_i915(dev); |
4ef69c7a | 15359 | struct intel_encoder *encoder; |
cb0953d7 | 15360 | bool dpd_is_edp = false; |
79e53945 | 15361 | |
44cb734c ID |
15362 | intel_pps_init(dev_priv); |
15363 | ||
97a824e1 ID |
15364 | /* |
15365 | * intel_edp_init_connector() depends on this completing first, to | |
15366 | * prevent the registeration of both eDP and LVDS and the incorrect | |
15367 | * sharing of the PPS. | |
15368 | */ | |
c9093354 | 15369 | intel_lvds_init(dev); |
79e53945 | 15370 | |
84b4e042 | 15371 | if (intel_crt_present(dev)) |
79935fca | 15372 | intel_crt_init(dev); |
cb0953d7 | 15373 | |
c776eb2e VK |
15374 | if (IS_BROXTON(dev)) { |
15375 | /* | |
15376 | * FIXME: Broxton doesn't support port detection via the | |
15377 | * DDI_BUF_CTL_A or SFUSE_STRAP registers, find another way to | |
15378 | * detect the ports. | |
15379 | */ | |
15380 | intel_ddi_init(dev, PORT_A); | |
15381 | intel_ddi_init(dev, PORT_B); | |
15382 | intel_ddi_init(dev, PORT_C); | |
c6c794a2 SS |
15383 | |
15384 | intel_dsi_init(dev); | |
c776eb2e | 15385 | } else if (HAS_DDI(dev)) { |
0e72a5b5 ED |
15386 | int found; |
15387 | ||
de31facd JB |
15388 | /* |
15389 | * Haswell uses DDI functions to detect digital outputs. | |
15390 | * On SKL pre-D0 the strap isn't connected, so we assume | |
15391 | * it's there. | |
15392 | */ | |
77179400 | 15393 | found = I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_INIT_DISPLAY_DETECTED; |
de31facd | 15394 | /* WaIgnoreDDIAStrap: skl */ |
ef11bdb3 | 15395 | if (found || IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) |
0e72a5b5 ED |
15396 | intel_ddi_init(dev, PORT_A); |
15397 | ||
15398 | /* DDI B, C and D detection is indicated by the SFUSE_STRAP | |
15399 | * register */ | |
15400 | found = I915_READ(SFUSE_STRAP); | |
15401 | ||
15402 | if (found & SFUSE_STRAP_DDIB_DETECTED) | |
15403 | intel_ddi_init(dev, PORT_B); | |
15404 | if (found & SFUSE_STRAP_DDIC_DETECTED) | |
15405 | intel_ddi_init(dev, PORT_C); | |
15406 | if (found & SFUSE_STRAP_DDID_DETECTED) | |
15407 | intel_ddi_init(dev, PORT_D); | |
2800e4c2 RV |
15408 | /* |
15409 | * On SKL we don't have a way to detect DDI-E so we rely on VBT. | |
15410 | */ | |
ef11bdb3 | 15411 | if ((IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) && |
2800e4c2 RV |
15412 | (dev_priv->vbt.ddi_port_info[PORT_E].supports_dp || |
15413 | dev_priv->vbt.ddi_port_info[PORT_E].supports_dvi || | |
15414 | dev_priv->vbt.ddi_port_info[PORT_E].supports_hdmi)) | |
15415 | intel_ddi_init(dev, PORT_E); | |
15416 | ||
0e72a5b5 | 15417 | } else if (HAS_PCH_SPLIT(dev)) { |
cb0953d7 | 15418 | int found; |
5d8a7752 | 15419 | dpd_is_edp = intel_dp_is_edp(dev, PORT_D); |
270b3042 DV |
15420 | |
15421 | if (has_edp_a(dev)) | |
15422 | intel_dp_init(dev, DP_A, PORT_A); | |
cb0953d7 | 15423 | |
dc0fa718 | 15424 | if (I915_READ(PCH_HDMIB) & SDVO_DETECTED) { |
461ed3ca | 15425 | /* PCH SDVOB multiplex with HDMIB */ |
2a5c0832 | 15426 | found = intel_sdvo_init(dev, PCH_SDVOB, PORT_B); |
30ad48b7 | 15427 | if (!found) |
e2debe91 | 15428 | intel_hdmi_init(dev, PCH_HDMIB, PORT_B); |
5eb08b69 | 15429 | if (!found && (I915_READ(PCH_DP_B) & DP_DETECTED)) |
ab9d7c30 | 15430 | intel_dp_init(dev, PCH_DP_B, PORT_B); |
30ad48b7 ZW |
15431 | } |
15432 | ||
dc0fa718 | 15433 | if (I915_READ(PCH_HDMIC) & SDVO_DETECTED) |
e2debe91 | 15434 | intel_hdmi_init(dev, PCH_HDMIC, PORT_C); |
30ad48b7 | 15435 | |
dc0fa718 | 15436 | if (!dpd_is_edp && I915_READ(PCH_HDMID) & SDVO_DETECTED) |
e2debe91 | 15437 | intel_hdmi_init(dev, PCH_HDMID, PORT_D); |
30ad48b7 | 15438 | |
5eb08b69 | 15439 | if (I915_READ(PCH_DP_C) & DP_DETECTED) |
ab9d7c30 | 15440 | intel_dp_init(dev, PCH_DP_C, PORT_C); |
5eb08b69 | 15441 | |
270b3042 | 15442 | if (I915_READ(PCH_DP_D) & DP_DETECTED) |
ab9d7c30 | 15443 | intel_dp_init(dev, PCH_DP_D, PORT_D); |
666a4537 | 15444 | } else if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { |
22f35042 | 15445 | bool has_edp, has_port; |
457c52d8 | 15446 | |
e17ac6db VS |
15447 | /* |
15448 | * The DP_DETECTED bit is the latched state of the DDC | |
15449 | * SDA pin at boot. However since eDP doesn't require DDC | |
15450 | * (no way to plug in a DP->HDMI dongle) the DDC pins for | |
15451 | * eDP ports may have been muxed to an alternate function. | |
15452 | * Thus we can't rely on the DP_DETECTED bit alone to detect | |
15453 | * eDP ports. Consult the VBT as well as DP_DETECTED to | |
15454 | * detect eDP ports. | |
22f35042 VS |
15455 | * |
15456 | * Sadly the straps seem to be missing sometimes even for HDMI | |
15457 | * ports (eg. on Voyo V3 - CHT x7-Z8700), so check both strap | |
15458 | * and VBT for the presence of the port. Additionally we can't | |
15459 | * trust the port type the VBT declares as we've seen at least | |
15460 | * HDMI ports that the VBT claim are DP or eDP. | |
e17ac6db | 15461 | */ |
457c52d8 | 15462 | has_edp = intel_dp_is_edp(dev, PORT_B); |
22f35042 VS |
15463 | has_port = intel_bios_is_port_present(dev_priv, PORT_B); |
15464 | if (I915_READ(VLV_DP_B) & DP_DETECTED || has_port) | |
457c52d8 | 15465 | has_edp &= intel_dp_init(dev, VLV_DP_B, PORT_B); |
22f35042 | 15466 | if ((I915_READ(VLV_HDMIB) & SDVO_DETECTED || has_port) && !has_edp) |
e66eb81d | 15467 | intel_hdmi_init(dev, VLV_HDMIB, PORT_B); |
585a94b8 | 15468 | |
457c52d8 | 15469 | has_edp = intel_dp_is_edp(dev, PORT_C); |
22f35042 VS |
15470 | has_port = intel_bios_is_port_present(dev_priv, PORT_C); |
15471 | if (I915_READ(VLV_DP_C) & DP_DETECTED || has_port) | |
457c52d8 | 15472 | has_edp &= intel_dp_init(dev, VLV_DP_C, PORT_C); |
22f35042 | 15473 | if ((I915_READ(VLV_HDMIC) & SDVO_DETECTED || has_port) && !has_edp) |
e66eb81d | 15474 | intel_hdmi_init(dev, VLV_HDMIC, PORT_C); |
19c03924 | 15475 | |
9418c1f1 | 15476 | if (IS_CHERRYVIEW(dev)) { |
22f35042 VS |
15477 | /* |
15478 | * eDP not supported on port D, | |
15479 | * so no need to worry about it | |
15480 | */ | |
15481 | has_port = intel_bios_is_port_present(dev_priv, PORT_D); | |
15482 | if (I915_READ(CHV_DP_D) & DP_DETECTED || has_port) | |
e66eb81d | 15483 | intel_dp_init(dev, CHV_DP_D, PORT_D); |
22f35042 VS |
15484 | if (I915_READ(CHV_HDMID) & SDVO_DETECTED || has_port) |
15485 | intel_hdmi_init(dev, CHV_HDMID, PORT_D); | |
9418c1f1 VS |
15486 | } |
15487 | ||
3cfca973 | 15488 | intel_dsi_init(dev); |
09da55dc | 15489 | } else if (!IS_GEN2(dev) && !IS_PINEVIEW(dev)) { |
27185ae1 | 15490 | bool found = false; |
7d57382e | 15491 | |
e2debe91 | 15492 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 15493 | DRM_DEBUG_KMS("probing SDVOB\n"); |
2a5c0832 | 15494 | found = intel_sdvo_init(dev, GEN3_SDVOB, PORT_B); |
3fec3d2f | 15495 | if (!found && IS_G4X(dev)) { |
b01f2c3a | 15496 | DRM_DEBUG_KMS("probing HDMI on SDVOB\n"); |
e2debe91 | 15497 | intel_hdmi_init(dev, GEN4_HDMIB, PORT_B); |
b01f2c3a | 15498 | } |
27185ae1 | 15499 | |
3fec3d2f | 15500 | if (!found && IS_G4X(dev)) |
ab9d7c30 | 15501 | intel_dp_init(dev, DP_B, PORT_B); |
725e30ad | 15502 | } |
13520b05 KH |
15503 | |
15504 | /* Before G4X SDVOC doesn't have its own detect register */ | |
13520b05 | 15505 | |
e2debe91 | 15506 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 15507 | DRM_DEBUG_KMS("probing SDVOC\n"); |
2a5c0832 | 15508 | found = intel_sdvo_init(dev, GEN3_SDVOC, PORT_C); |
b01f2c3a | 15509 | } |
27185ae1 | 15510 | |
e2debe91 | 15511 | if (!found && (I915_READ(GEN3_SDVOC) & SDVO_DETECTED)) { |
27185ae1 | 15512 | |
3fec3d2f | 15513 | if (IS_G4X(dev)) { |
b01f2c3a | 15514 | DRM_DEBUG_KMS("probing HDMI on SDVOC\n"); |
e2debe91 | 15515 | intel_hdmi_init(dev, GEN4_HDMIC, PORT_C); |
b01f2c3a | 15516 | } |
3fec3d2f | 15517 | if (IS_G4X(dev)) |
ab9d7c30 | 15518 | intel_dp_init(dev, DP_C, PORT_C); |
725e30ad | 15519 | } |
27185ae1 | 15520 | |
3fec3d2f | 15521 | if (IS_G4X(dev) && |
e7281eab | 15522 | (I915_READ(DP_D) & DP_DETECTED)) |
ab9d7c30 | 15523 | intel_dp_init(dev, DP_D, PORT_D); |
bad720ff | 15524 | } else if (IS_GEN2(dev)) |
79e53945 JB |
15525 | intel_dvo_init(dev); |
15526 | ||
103a196f | 15527 | if (SUPPORTS_TV(dev)) |
79e53945 JB |
15528 | intel_tv_init(dev); |
15529 | ||
0bc12bcb | 15530 | intel_psr_init(dev); |
7c8f8a70 | 15531 | |
b2784e15 | 15532 | for_each_intel_encoder(dev, encoder) { |
4ef69c7a CW |
15533 | encoder->base.possible_crtcs = encoder->crtc_mask; |
15534 | encoder->base.possible_clones = | |
66a9278e | 15535 | intel_encoder_clones(encoder); |
79e53945 | 15536 | } |
47356eb6 | 15537 | |
dde86e2d | 15538 | intel_init_pch_refclk(dev); |
270b3042 DV |
15539 | |
15540 | drm_helper_move_panel_connectors_to_head(dev); | |
79e53945 JB |
15541 | } |
15542 | ||
15543 | static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb) | |
15544 | { | |
60a5ca01 | 15545 | struct drm_device *dev = fb->dev; |
79e53945 | 15546 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); |
79e53945 | 15547 | |
ef2d633e | 15548 | drm_framebuffer_cleanup(fb); |
60a5ca01 | 15549 | mutex_lock(&dev->struct_mutex); |
ef2d633e | 15550 | WARN_ON(!intel_fb->obj->framebuffer_references--); |
f8c417cd | 15551 | i915_gem_object_put(intel_fb->obj); |
60a5ca01 | 15552 | mutex_unlock(&dev->struct_mutex); |
79e53945 JB |
15553 | kfree(intel_fb); |
15554 | } | |
15555 | ||
15556 | static int intel_user_framebuffer_create_handle(struct drm_framebuffer *fb, | |
05394f39 | 15557 | struct drm_file *file, |
79e53945 JB |
15558 | unsigned int *handle) |
15559 | { | |
15560 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
05394f39 | 15561 | struct drm_i915_gem_object *obj = intel_fb->obj; |
79e53945 | 15562 | |
cc917ab4 CW |
15563 | if (obj->userptr.mm) { |
15564 | DRM_DEBUG("attempting to use a userptr for a framebuffer, denied\n"); | |
15565 | return -EINVAL; | |
15566 | } | |
15567 | ||
05394f39 | 15568 | return drm_gem_handle_create(file, &obj->base, handle); |
79e53945 JB |
15569 | } |
15570 | ||
86c98588 RV |
15571 | static int intel_user_framebuffer_dirty(struct drm_framebuffer *fb, |
15572 | struct drm_file *file, | |
15573 | unsigned flags, unsigned color, | |
15574 | struct drm_clip_rect *clips, | |
15575 | unsigned num_clips) | |
15576 | { | |
15577 | struct drm_device *dev = fb->dev; | |
15578 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
15579 | struct drm_i915_gem_object *obj = intel_fb->obj; | |
15580 | ||
15581 | mutex_lock(&dev->struct_mutex); | |
74b4ea1e | 15582 | intel_fb_obj_flush(obj, false, ORIGIN_DIRTYFB); |
86c98588 RV |
15583 | mutex_unlock(&dev->struct_mutex); |
15584 | ||
15585 | return 0; | |
15586 | } | |
15587 | ||
79e53945 JB |
15588 | static const struct drm_framebuffer_funcs intel_fb_funcs = { |
15589 | .destroy = intel_user_framebuffer_destroy, | |
15590 | .create_handle = intel_user_framebuffer_create_handle, | |
86c98588 | 15591 | .dirty = intel_user_framebuffer_dirty, |
79e53945 JB |
15592 | }; |
15593 | ||
b321803d DL |
15594 | static |
15595 | u32 intel_fb_pitch_limit(struct drm_device *dev, uint64_t fb_modifier, | |
15596 | uint32_t pixel_format) | |
15597 | { | |
15598 | u32 gen = INTEL_INFO(dev)->gen; | |
15599 | ||
15600 | if (gen >= 9) { | |
ac484963 VS |
15601 | int cpp = drm_format_plane_cpp(pixel_format, 0); |
15602 | ||
b321803d DL |
15603 | /* "The stride in bytes must not exceed the of the size of 8K |
15604 | * pixels and 32K bytes." | |
15605 | */ | |
ac484963 | 15606 | return min(8192 * cpp, 32768); |
666a4537 | 15607 | } else if (gen >= 5 && !IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev)) { |
b321803d DL |
15608 | return 32*1024; |
15609 | } else if (gen >= 4) { | |
15610 | if (fb_modifier == I915_FORMAT_MOD_X_TILED) | |
15611 | return 16*1024; | |
15612 | else | |
15613 | return 32*1024; | |
15614 | } else if (gen >= 3) { | |
15615 | if (fb_modifier == I915_FORMAT_MOD_X_TILED) | |
15616 | return 8*1024; | |
15617 | else | |
15618 | return 16*1024; | |
15619 | } else { | |
15620 | /* XXX DSPC is limited to 4k tiled */ | |
15621 | return 8*1024; | |
15622 | } | |
15623 | } | |
15624 | ||
b5ea642a DV |
15625 | static int intel_framebuffer_init(struct drm_device *dev, |
15626 | struct intel_framebuffer *intel_fb, | |
15627 | struct drm_mode_fb_cmd2 *mode_cmd, | |
15628 | struct drm_i915_gem_object *obj) | |
79e53945 | 15629 | { |
7b49f948 | 15630 | struct drm_i915_private *dev_priv = to_i915(dev); |
c2ff7370 | 15631 | unsigned int tiling = i915_gem_object_get_tiling(obj); |
79e53945 | 15632 | int ret; |
b321803d | 15633 | u32 pitch_limit, stride_alignment; |
79e53945 | 15634 | |
dd4916c5 DV |
15635 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
15636 | ||
2a80eada | 15637 | if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) { |
c2ff7370 VS |
15638 | /* |
15639 | * If there's a fence, enforce that | |
15640 | * the fb modifier and tiling mode match. | |
15641 | */ | |
15642 | if (tiling != I915_TILING_NONE && | |
15643 | tiling != intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) { | |
2a80eada DV |
15644 | DRM_DEBUG("tiling_mode doesn't match fb modifier\n"); |
15645 | return -EINVAL; | |
15646 | } | |
15647 | } else { | |
c2ff7370 | 15648 | if (tiling == I915_TILING_X) { |
2a80eada | 15649 | mode_cmd->modifier[0] = I915_FORMAT_MOD_X_TILED; |
c2ff7370 | 15650 | } else if (tiling == I915_TILING_Y) { |
2a80eada DV |
15651 | DRM_DEBUG("No Y tiling for legacy addfb\n"); |
15652 | return -EINVAL; | |
15653 | } | |
15654 | } | |
15655 | ||
9a8f0a12 TU |
15656 | /* Passed in modifier sanity checking. */ |
15657 | switch (mode_cmd->modifier[0]) { | |
15658 | case I915_FORMAT_MOD_Y_TILED: | |
15659 | case I915_FORMAT_MOD_Yf_TILED: | |
15660 | if (INTEL_INFO(dev)->gen < 9) { | |
15661 | DRM_DEBUG("Unsupported tiling 0x%llx!\n", | |
15662 | mode_cmd->modifier[0]); | |
15663 | return -EINVAL; | |
15664 | } | |
15665 | case DRM_FORMAT_MOD_NONE: | |
15666 | case I915_FORMAT_MOD_X_TILED: | |
15667 | break; | |
15668 | default: | |
c0f40428 JB |
15669 | DRM_DEBUG("Unsupported fb modifier 0x%llx!\n", |
15670 | mode_cmd->modifier[0]); | |
57cd6508 | 15671 | return -EINVAL; |
c16ed4be | 15672 | } |
57cd6508 | 15673 | |
c2ff7370 VS |
15674 | /* |
15675 | * gen2/3 display engine uses the fence if present, | |
15676 | * so the tiling mode must match the fb modifier exactly. | |
15677 | */ | |
15678 | if (INTEL_INFO(dev_priv)->gen < 4 && | |
15679 | tiling != intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) { | |
15680 | DRM_DEBUG("tiling_mode must match fb modifier exactly on gen2/3\n"); | |
15681 | return -EINVAL; | |
15682 | } | |
15683 | ||
7b49f948 VS |
15684 | stride_alignment = intel_fb_stride_alignment(dev_priv, |
15685 | mode_cmd->modifier[0], | |
b321803d DL |
15686 | mode_cmd->pixel_format); |
15687 | if (mode_cmd->pitches[0] & (stride_alignment - 1)) { | |
15688 | DRM_DEBUG("pitch (%d) must be at least %u byte aligned\n", | |
15689 | mode_cmd->pitches[0], stride_alignment); | |
57cd6508 | 15690 | return -EINVAL; |
c16ed4be | 15691 | } |
57cd6508 | 15692 | |
b321803d DL |
15693 | pitch_limit = intel_fb_pitch_limit(dev, mode_cmd->modifier[0], |
15694 | mode_cmd->pixel_format); | |
a35cdaa0 | 15695 | if (mode_cmd->pitches[0] > pitch_limit) { |
b321803d DL |
15696 | DRM_DEBUG("%s pitch (%u) must be at less than %d\n", |
15697 | mode_cmd->modifier[0] != DRM_FORMAT_MOD_NONE ? | |
2a80eada | 15698 | "tiled" : "linear", |
a35cdaa0 | 15699 | mode_cmd->pitches[0], pitch_limit); |
5d7bd705 | 15700 | return -EINVAL; |
c16ed4be | 15701 | } |
5d7bd705 | 15702 | |
c2ff7370 VS |
15703 | /* |
15704 | * If there's a fence, enforce that | |
15705 | * the fb pitch and fence stride match. | |
15706 | */ | |
15707 | if (tiling != I915_TILING_NONE && | |
3e510a8e | 15708 | mode_cmd->pitches[0] != i915_gem_object_get_stride(obj)) { |
c16ed4be | 15709 | DRM_DEBUG("pitch (%d) must match tiling stride (%d)\n", |
3e510a8e CW |
15710 | mode_cmd->pitches[0], |
15711 | i915_gem_object_get_stride(obj)); | |
5d7bd705 | 15712 | return -EINVAL; |
c16ed4be | 15713 | } |
5d7bd705 | 15714 | |
57779d06 | 15715 | /* Reject formats not supported by any plane early. */ |
308e5bcb | 15716 | switch (mode_cmd->pixel_format) { |
57779d06 | 15717 | case DRM_FORMAT_C8: |
04b3924d VS |
15718 | case DRM_FORMAT_RGB565: |
15719 | case DRM_FORMAT_XRGB8888: | |
15720 | case DRM_FORMAT_ARGB8888: | |
57779d06 VS |
15721 | break; |
15722 | case DRM_FORMAT_XRGB1555: | |
c16ed4be | 15723 | if (INTEL_INFO(dev)->gen > 3) { |
4ee62c76 VS |
15724 | DRM_DEBUG("unsupported pixel format: %s\n", |
15725 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 15726 | return -EINVAL; |
c16ed4be | 15727 | } |
57779d06 | 15728 | break; |
57779d06 | 15729 | case DRM_FORMAT_ABGR8888: |
666a4537 WB |
15730 | if (!IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev) && |
15731 | INTEL_INFO(dev)->gen < 9) { | |
6c0fd451 DL |
15732 | DRM_DEBUG("unsupported pixel format: %s\n", |
15733 | drm_get_format_name(mode_cmd->pixel_format)); | |
15734 | return -EINVAL; | |
15735 | } | |
15736 | break; | |
15737 | case DRM_FORMAT_XBGR8888: | |
04b3924d | 15738 | case DRM_FORMAT_XRGB2101010: |
57779d06 | 15739 | case DRM_FORMAT_XBGR2101010: |
c16ed4be | 15740 | if (INTEL_INFO(dev)->gen < 4) { |
4ee62c76 VS |
15741 | DRM_DEBUG("unsupported pixel format: %s\n", |
15742 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 15743 | return -EINVAL; |
c16ed4be | 15744 | } |
b5626747 | 15745 | break; |
7531208b | 15746 | case DRM_FORMAT_ABGR2101010: |
666a4537 | 15747 | if (!IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev)) { |
7531208b DL |
15748 | DRM_DEBUG("unsupported pixel format: %s\n", |
15749 | drm_get_format_name(mode_cmd->pixel_format)); | |
15750 | return -EINVAL; | |
15751 | } | |
15752 | break; | |
04b3924d VS |
15753 | case DRM_FORMAT_YUYV: |
15754 | case DRM_FORMAT_UYVY: | |
15755 | case DRM_FORMAT_YVYU: | |
15756 | case DRM_FORMAT_VYUY: | |
c16ed4be | 15757 | if (INTEL_INFO(dev)->gen < 5) { |
4ee62c76 VS |
15758 | DRM_DEBUG("unsupported pixel format: %s\n", |
15759 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 15760 | return -EINVAL; |
c16ed4be | 15761 | } |
57cd6508 CW |
15762 | break; |
15763 | default: | |
4ee62c76 VS |
15764 | DRM_DEBUG("unsupported pixel format: %s\n", |
15765 | drm_get_format_name(mode_cmd->pixel_format)); | |
57cd6508 CW |
15766 | return -EINVAL; |
15767 | } | |
15768 | ||
90f9a336 VS |
15769 | /* FIXME need to adjust LINOFF/TILEOFF accordingly. */ |
15770 | if (mode_cmd->offsets[0] != 0) | |
15771 | return -EINVAL; | |
15772 | ||
c7d73f6a DV |
15773 | drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd); |
15774 | intel_fb->obj = obj; | |
15775 | ||
6687c906 VS |
15776 | ret = intel_fill_fb_info(dev_priv, &intel_fb->base); |
15777 | if (ret) | |
15778 | return ret; | |
2d7a215f | 15779 | |
79e53945 JB |
15780 | ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs); |
15781 | if (ret) { | |
15782 | DRM_ERROR("framebuffer init failed %d\n", ret); | |
15783 | return ret; | |
15784 | } | |
15785 | ||
0b05e1e0 VS |
15786 | intel_fb->obj->framebuffer_references++; |
15787 | ||
79e53945 JB |
15788 | return 0; |
15789 | } | |
15790 | ||
79e53945 JB |
15791 | static struct drm_framebuffer * |
15792 | intel_user_framebuffer_create(struct drm_device *dev, | |
15793 | struct drm_file *filp, | |
1eb83451 | 15794 | const struct drm_mode_fb_cmd2 *user_mode_cmd) |
79e53945 | 15795 | { |
dcb1394e | 15796 | struct drm_framebuffer *fb; |
05394f39 | 15797 | struct drm_i915_gem_object *obj; |
76dc3769 | 15798 | struct drm_mode_fb_cmd2 mode_cmd = *user_mode_cmd; |
79e53945 | 15799 | |
03ac0642 CW |
15800 | obj = i915_gem_object_lookup(filp, mode_cmd.handles[0]); |
15801 | if (!obj) | |
cce13ff7 | 15802 | return ERR_PTR(-ENOENT); |
79e53945 | 15803 | |
92907cbb | 15804 | fb = intel_framebuffer_create(dev, &mode_cmd, obj); |
dcb1394e | 15805 | if (IS_ERR(fb)) |
34911fd3 | 15806 | i915_gem_object_put_unlocked(obj); |
dcb1394e LW |
15807 | |
15808 | return fb; | |
79e53945 JB |
15809 | } |
15810 | ||
0695726e | 15811 | #ifndef CONFIG_DRM_FBDEV_EMULATION |
0632fef6 | 15812 | static inline void intel_fbdev_output_poll_changed(struct drm_device *dev) |
4520f53a DV |
15813 | { |
15814 | } | |
15815 | #endif | |
15816 | ||
79e53945 | 15817 | static const struct drm_mode_config_funcs intel_mode_funcs = { |
79e53945 | 15818 | .fb_create = intel_user_framebuffer_create, |
0632fef6 | 15819 | .output_poll_changed = intel_fbdev_output_poll_changed, |
5ee67f1c MR |
15820 | .atomic_check = intel_atomic_check, |
15821 | .atomic_commit = intel_atomic_commit, | |
de419ab6 ML |
15822 | .atomic_state_alloc = intel_atomic_state_alloc, |
15823 | .atomic_state_clear = intel_atomic_state_clear, | |
79e53945 JB |
15824 | }; |
15825 | ||
88212941 ID |
15826 | /** |
15827 | * intel_init_display_hooks - initialize the display modesetting hooks | |
15828 | * @dev_priv: device private | |
15829 | */ | |
15830 | void intel_init_display_hooks(struct drm_i915_private *dev_priv) | |
e70236a8 | 15831 | { |
88212941 | 15832 | if (INTEL_INFO(dev_priv)->gen >= 9) { |
bc8d7dff | 15833 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; |
5724dbd1 DL |
15834 | dev_priv->display.get_initial_plane_config = |
15835 | skylake_get_initial_plane_config; | |
bc8d7dff DL |
15836 | dev_priv->display.crtc_compute_clock = |
15837 | haswell_crtc_compute_clock; | |
15838 | dev_priv->display.crtc_enable = haswell_crtc_enable; | |
15839 | dev_priv->display.crtc_disable = haswell_crtc_disable; | |
88212941 | 15840 | } else if (HAS_DDI(dev_priv)) { |
0e8ffe1b | 15841 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; |
5724dbd1 DL |
15842 | dev_priv->display.get_initial_plane_config = |
15843 | ironlake_get_initial_plane_config; | |
797d0259 ACO |
15844 | dev_priv->display.crtc_compute_clock = |
15845 | haswell_crtc_compute_clock; | |
4f771f10 PZ |
15846 | dev_priv->display.crtc_enable = haswell_crtc_enable; |
15847 | dev_priv->display.crtc_disable = haswell_crtc_disable; | |
88212941 | 15848 | } else if (HAS_PCH_SPLIT(dev_priv)) { |
0e8ffe1b | 15849 | dev_priv->display.get_pipe_config = ironlake_get_pipe_config; |
5724dbd1 DL |
15850 | dev_priv->display.get_initial_plane_config = |
15851 | ironlake_get_initial_plane_config; | |
3fb37703 ACO |
15852 | dev_priv->display.crtc_compute_clock = |
15853 | ironlake_crtc_compute_clock; | |
76e5a89c DV |
15854 | dev_priv->display.crtc_enable = ironlake_crtc_enable; |
15855 | dev_priv->display.crtc_disable = ironlake_crtc_disable; | |
65b3d6a9 | 15856 | } else if (IS_CHERRYVIEW(dev_priv)) { |
89b667f8 | 15857 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; |
5724dbd1 DL |
15858 | dev_priv->display.get_initial_plane_config = |
15859 | i9xx_get_initial_plane_config; | |
65b3d6a9 ACO |
15860 | dev_priv->display.crtc_compute_clock = chv_crtc_compute_clock; |
15861 | dev_priv->display.crtc_enable = valleyview_crtc_enable; | |
15862 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
15863 | } else if (IS_VALLEYVIEW(dev_priv)) { | |
15864 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; | |
15865 | dev_priv->display.get_initial_plane_config = | |
15866 | i9xx_get_initial_plane_config; | |
15867 | dev_priv->display.crtc_compute_clock = vlv_crtc_compute_clock; | |
89b667f8 JB |
15868 | dev_priv->display.crtc_enable = valleyview_crtc_enable; |
15869 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
19ec6693 ACO |
15870 | } else if (IS_G4X(dev_priv)) { |
15871 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; | |
15872 | dev_priv->display.get_initial_plane_config = | |
15873 | i9xx_get_initial_plane_config; | |
15874 | dev_priv->display.crtc_compute_clock = g4x_crtc_compute_clock; | |
15875 | dev_priv->display.crtc_enable = i9xx_crtc_enable; | |
15876 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
70e8aa21 ACO |
15877 | } else if (IS_PINEVIEW(dev_priv)) { |
15878 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; | |
15879 | dev_priv->display.get_initial_plane_config = | |
15880 | i9xx_get_initial_plane_config; | |
15881 | dev_priv->display.crtc_compute_clock = pnv_crtc_compute_clock; | |
15882 | dev_priv->display.crtc_enable = i9xx_crtc_enable; | |
15883 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
81c97f52 | 15884 | } else if (!IS_GEN2(dev_priv)) { |
0e8ffe1b | 15885 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; |
5724dbd1 DL |
15886 | dev_priv->display.get_initial_plane_config = |
15887 | i9xx_get_initial_plane_config; | |
d6dfee7a | 15888 | dev_priv->display.crtc_compute_clock = i9xx_crtc_compute_clock; |
76e5a89c DV |
15889 | dev_priv->display.crtc_enable = i9xx_crtc_enable; |
15890 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
81c97f52 ACO |
15891 | } else { |
15892 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; | |
15893 | dev_priv->display.get_initial_plane_config = | |
15894 | i9xx_get_initial_plane_config; | |
15895 | dev_priv->display.crtc_compute_clock = i8xx_crtc_compute_clock; | |
15896 | dev_priv->display.crtc_enable = i9xx_crtc_enable; | |
15897 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
f564048e | 15898 | } |
e70236a8 | 15899 | |
e70236a8 | 15900 | /* Returns the core display clock speed */ |
88212941 | 15901 | if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) |
1652d19e VS |
15902 | dev_priv->display.get_display_clock_speed = |
15903 | skylake_get_display_clock_speed; | |
88212941 | 15904 | else if (IS_BROXTON(dev_priv)) |
acd3f3d3 BP |
15905 | dev_priv->display.get_display_clock_speed = |
15906 | broxton_get_display_clock_speed; | |
88212941 | 15907 | else if (IS_BROADWELL(dev_priv)) |
1652d19e VS |
15908 | dev_priv->display.get_display_clock_speed = |
15909 | broadwell_get_display_clock_speed; | |
88212941 | 15910 | else if (IS_HASWELL(dev_priv)) |
1652d19e VS |
15911 | dev_priv->display.get_display_clock_speed = |
15912 | haswell_get_display_clock_speed; | |
88212941 | 15913 | else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) |
25eb05fc JB |
15914 | dev_priv->display.get_display_clock_speed = |
15915 | valleyview_get_display_clock_speed; | |
88212941 | 15916 | else if (IS_GEN5(dev_priv)) |
b37a6434 VS |
15917 | dev_priv->display.get_display_clock_speed = |
15918 | ilk_get_display_clock_speed; | |
88212941 ID |
15919 | else if (IS_I945G(dev_priv) || IS_BROADWATER(dev_priv) || |
15920 | IS_GEN6(dev_priv) || IS_IVYBRIDGE(dev_priv)) | |
e70236a8 JB |
15921 | dev_priv->display.get_display_clock_speed = |
15922 | i945_get_display_clock_speed; | |
88212941 | 15923 | else if (IS_GM45(dev_priv)) |
34edce2f VS |
15924 | dev_priv->display.get_display_clock_speed = |
15925 | gm45_get_display_clock_speed; | |
88212941 | 15926 | else if (IS_CRESTLINE(dev_priv)) |
34edce2f VS |
15927 | dev_priv->display.get_display_clock_speed = |
15928 | i965gm_get_display_clock_speed; | |
88212941 | 15929 | else if (IS_PINEVIEW(dev_priv)) |
34edce2f VS |
15930 | dev_priv->display.get_display_clock_speed = |
15931 | pnv_get_display_clock_speed; | |
88212941 | 15932 | else if (IS_G33(dev_priv) || IS_G4X(dev_priv)) |
34edce2f VS |
15933 | dev_priv->display.get_display_clock_speed = |
15934 | g33_get_display_clock_speed; | |
88212941 | 15935 | else if (IS_I915G(dev_priv)) |
e70236a8 JB |
15936 | dev_priv->display.get_display_clock_speed = |
15937 | i915_get_display_clock_speed; | |
88212941 | 15938 | else if (IS_I945GM(dev_priv) || IS_845G(dev_priv)) |
e70236a8 JB |
15939 | dev_priv->display.get_display_clock_speed = |
15940 | i9xx_misc_get_display_clock_speed; | |
88212941 | 15941 | else if (IS_I915GM(dev_priv)) |
e70236a8 JB |
15942 | dev_priv->display.get_display_clock_speed = |
15943 | i915gm_get_display_clock_speed; | |
88212941 | 15944 | else if (IS_I865G(dev_priv)) |
e70236a8 JB |
15945 | dev_priv->display.get_display_clock_speed = |
15946 | i865_get_display_clock_speed; | |
88212941 | 15947 | else if (IS_I85X(dev_priv)) |
e70236a8 | 15948 | dev_priv->display.get_display_clock_speed = |
1b1d2716 | 15949 | i85x_get_display_clock_speed; |
623e01e5 | 15950 | else { /* 830 */ |
88212941 | 15951 | WARN(!IS_I830(dev_priv), "Unknown platform. Assuming 133 MHz CDCLK\n"); |
e70236a8 JB |
15952 | dev_priv->display.get_display_clock_speed = |
15953 | i830_get_display_clock_speed; | |
623e01e5 | 15954 | } |
e70236a8 | 15955 | |
88212941 | 15956 | if (IS_GEN5(dev_priv)) { |
3bb11b53 | 15957 | dev_priv->display.fdi_link_train = ironlake_fdi_link_train; |
88212941 | 15958 | } else if (IS_GEN6(dev_priv)) { |
3bb11b53 | 15959 | dev_priv->display.fdi_link_train = gen6_fdi_link_train; |
88212941 | 15960 | } else if (IS_IVYBRIDGE(dev_priv)) { |
3bb11b53 SJ |
15961 | /* FIXME: detect B0+ stepping and use auto training */ |
15962 | dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train; | |
88212941 | 15963 | } else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) { |
3bb11b53 | 15964 | dev_priv->display.fdi_link_train = hsw_fdi_link_train; |
445e780b VS |
15965 | } |
15966 | ||
15967 | if (IS_BROADWELL(dev_priv)) { | |
15968 | dev_priv->display.modeset_commit_cdclk = | |
15969 | broadwell_modeset_commit_cdclk; | |
15970 | dev_priv->display.modeset_calc_cdclk = | |
15971 | broadwell_modeset_calc_cdclk; | |
88212941 | 15972 | } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { |
27c329ed ML |
15973 | dev_priv->display.modeset_commit_cdclk = |
15974 | valleyview_modeset_commit_cdclk; | |
15975 | dev_priv->display.modeset_calc_cdclk = | |
15976 | valleyview_modeset_calc_cdclk; | |
88212941 | 15977 | } else if (IS_BROXTON(dev_priv)) { |
27c329ed | 15978 | dev_priv->display.modeset_commit_cdclk = |
324513c0 | 15979 | bxt_modeset_commit_cdclk; |
27c329ed | 15980 | dev_priv->display.modeset_calc_cdclk = |
324513c0 | 15981 | bxt_modeset_calc_cdclk; |
c89e39f3 CT |
15982 | } else if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) { |
15983 | dev_priv->display.modeset_commit_cdclk = | |
15984 | skl_modeset_commit_cdclk; | |
15985 | dev_priv->display.modeset_calc_cdclk = | |
15986 | skl_modeset_calc_cdclk; | |
e70236a8 | 15987 | } |
5a21b665 | 15988 | |
27082493 L |
15989 | if (dev_priv->info.gen >= 9) |
15990 | dev_priv->display.update_crtcs = skl_update_crtcs; | |
15991 | else | |
15992 | dev_priv->display.update_crtcs = intel_update_crtcs; | |
15993 | ||
5a21b665 DV |
15994 | switch (INTEL_INFO(dev_priv)->gen) { |
15995 | case 2: | |
15996 | dev_priv->display.queue_flip = intel_gen2_queue_flip; | |
15997 | break; | |
15998 | ||
15999 | case 3: | |
16000 | dev_priv->display.queue_flip = intel_gen3_queue_flip; | |
16001 | break; | |
16002 | ||
16003 | case 4: | |
16004 | case 5: | |
16005 | dev_priv->display.queue_flip = intel_gen4_queue_flip; | |
16006 | break; | |
16007 | ||
16008 | case 6: | |
16009 | dev_priv->display.queue_flip = intel_gen6_queue_flip; | |
16010 | break; | |
16011 | case 7: | |
16012 | case 8: /* FIXME(BDW): Check that the gen8 RCS flip works. */ | |
16013 | dev_priv->display.queue_flip = intel_gen7_queue_flip; | |
16014 | break; | |
16015 | case 9: | |
16016 | /* Drop through - unsupported since execlist only. */ | |
16017 | default: | |
16018 | /* Default just returns -ENODEV to indicate unsupported */ | |
16019 | dev_priv->display.queue_flip = intel_default_queue_flip; | |
16020 | } | |
e70236a8 JB |
16021 | } |
16022 | ||
b690e96c JB |
16023 | /* |
16024 | * Some BIOSes insist on assuming the GPU's pipe A is enabled at suspend, | |
16025 | * resume, or other times. This quirk makes sure that's the case for | |
16026 | * affected systems. | |
16027 | */ | |
0206e353 | 16028 | static void quirk_pipea_force(struct drm_device *dev) |
b690e96c | 16029 | { |
fac5e23e | 16030 | struct drm_i915_private *dev_priv = to_i915(dev); |
b690e96c JB |
16031 | |
16032 | dev_priv->quirks |= QUIRK_PIPEA_FORCE; | |
bc0daf48 | 16033 | DRM_INFO("applying pipe a force quirk\n"); |
b690e96c JB |
16034 | } |
16035 | ||
b6b5d049 VS |
16036 | static void quirk_pipeb_force(struct drm_device *dev) |
16037 | { | |
fac5e23e | 16038 | struct drm_i915_private *dev_priv = to_i915(dev); |
b6b5d049 VS |
16039 | |
16040 | dev_priv->quirks |= QUIRK_PIPEB_FORCE; | |
16041 | DRM_INFO("applying pipe b force quirk\n"); | |
16042 | } | |
16043 | ||
435793df KP |
16044 | /* |
16045 | * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason | |
16046 | */ | |
16047 | static void quirk_ssc_force_disable(struct drm_device *dev) | |
16048 | { | |
fac5e23e | 16049 | struct drm_i915_private *dev_priv = to_i915(dev); |
435793df | 16050 | dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE; |
bc0daf48 | 16051 | DRM_INFO("applying lvds SSC disable quirk\n"); |
435793df KP |
16052 | } |
16053 | ||
4dca20ef | 16054 | /* |
5a15ab5b CE |
16055 | * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight |
16056 | * brightness value | |
4dca20ef CE |
16057 | */ |
16058 | static void quirk_invert_brightness(struct drm_device *dev) | |
16059 | { | |
fac5e23e | 16060 | struct drm_i915_private *dev_priv = to_i915(dev); |
4dca20ef | 16061 | dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS; |
bc0daf48 | 16062 | DRM_INFO("applying inverted panel brightness quirk\n"); |
435793df KP |
16063 | } |
16064 | ||
9c72cc6f SD |
16065 | /* Some VBT's incorrectly indicate no backlight is present */ |
16066 | static void quirk_backlight_present(struct drm_device *dev) | |
16067 | { | |
fac5e23e | 16068 | struct drm_i915_private *dev_priv = to_i915(dev); |
9c72cc6f SD |
16069 | dev_priv->quirks |= QUIRK_BACKLIGHT_PRESENT; |
16070 | DRM_INFO("applying backlight present quirk\n"); | |
16071 | } | |
16072 | ||
b690e96c JB |
16073 | struct intel_quirk { |
16074 | int device; | |
16075 | int subsystem_vendor; | |
16076 | int subsystem_device; | |
16077 | void (*hook)(struct drm_device *dev); | |
16078 | }; | |
16079 | ||
5f85f176 EE |
16080 | /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ |
16081 | struct intel_dmi_quirk { | |
16082 | void (*hook)(struct drm_device *dev); | |
16083 | const struct dmi_system_id (*dmi_id_list)[]; | |
16084 | }; | |
16085 | ||
16086 | static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) | |
16087 | { | |
16088 | DRM_INFO("Backlight polarity reversed on %s\n", id->ident); | |
16089 | return 1; | |
16090 | } | |
16091 | ||
16092 | static const struct intel_dmi_quirk intel_dmi_quirks[] = { | |
16093 | { | |
16094 | .dmi_id_list = &(const struct dmi_system_id[]) { | |
16095 | { | |
16096 | .callback = intel_dmi_reverse_brightness, | |
16097 | .ident = "NCR Corporation", | |
16098 | .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), | |
16099 | DMI_MATCH(DMI_PRODUCT_NAME, ""), | |
16100 | }, | |
16101 | }, | |
16102 | { } /* terminating entry */ | |
16103 | }, | |
16104 | .hook = quirk_invert_brightness, | |
16105 | }, | |
16106 | }; | |
16107 | ||
c43b5634 | 16108 | static struct intel_quirk intel_quirks[] = { |
b690e96c JB |
16109 | /* Toshiba Protege R-205, S-209 needs pipe A force quirk */ |
16110 | { 0x2592, 0x1179, 0x0001, quirk_pipea_force }, | |
16111 | ||
b690e96c JB |
16112 | /* ThinkPad T60 needs pipe A force quirk (bug #16494) */ |
16113 | { 0x2782, 0x17aa, 0x201a, quirk_pipea_force }, | |
16114 | ||
5f080c0f VS |
16115 | /* 830 needs to leave pipe A & dpll A up */ |
16116 | { 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force }, | |
16117 | ||
b6b5d049 VS |
16118 | /* 830 needs to leave pipe B & dpll B up */ |
16119 | { 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipeb_force }, | |
16120 | ||
435793df KP |
16121 | /* Lenovo U160 cannot use SSC on LVDS */ |
16122 | { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable }, | |
070d329a MAS |
16123 | |
16124 | /* Sony Vaio Y cannot use SSC on LVDS */ | |
16125 | { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable }, | |
5a15ab5b | 16126 | |
be505f64 AH |
16127 | /* Acer Aspire 5734Z must invert backlight brightness */ |
16128 | { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness }, | |
16129 | ||
16130 | /* Acer/eMachines G725 */ | |
16131 | { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness }, | |
16132 | ||
16133 | /* Acer/eMachines e725 */ | |
16134 | { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness }, | |
16135 | ||
16136 | /* Acer/Packard Bell NCL20 */ | |
16137 | { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness }, | |
16138 | ||
16139 | /* Acer Aspire 4736Z */ | |
16140 | { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness }, | |
0f540c3a JN |
16141 | |
16142 | /* Acer Aspire 5336 */ | |
16143 | { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness }, | |
2e93a1aa SD |
16144 | |
16145 | /* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */ | |
16146 | { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present }, | |
d4967d8c | 16147 | |
dfb3d47b SD |
16148 | /* Acer C720 Chromebook (Core i3 4005U) */ |
16149 | { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present }, | |
16150 | ||
b2a9601c | 16151 | /* Apple Macbook 2,1 (Core 2 T7400) */ |
16152 | { 0x27a2, 0x8086, 0x7270, quirk_backlight_present }, | |
16153 | ||
1b9448b0 JN |
16154 | /* Apple Macbook 4,1 */ |
16155 | { 0x2a02, 0x106b, 0x00a1, quirk_backlight_present }, | |
16156 | ||
d4967d8c SD |
16157 | /* Toshiba CB35 Chromebook (Celeron 2955U) */ |
16158 | { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, | |
724cb06f SD |
16159 | |
16160 | /* HP Chromebook 14 (Celeron 2955U) */ | |
16161 | { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present }, | |
cf6f0af9 JN |
16162 | |
16163 | /* Dell Chromebook 11 */ | |
16164 | { 0x0a06, 0x1028, 0x0a35, quirk_backlight_present }, | |
9be64eee JN |
16165 | |
16166 | /* Dell Chromebook 11 (2015 version) */ | |
16167 | { 0x0a16, 0x1028, 0x0a35, quirk_backlight_present }, | |
b690e96c JB |
16168 | }; |
16169 | ||
16170 | static void intel_init_quirks(struct drm_device *dev) | |
16171 | { | |
16172 | struct pci_dev *d = dev->pdev; | |
16173 | int i; | |
16174 | ||
16175 | for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) { | |
16176 | struct intel_quirk *q = &intel_quirks[i]; | |
16177 | ||
16178 | if (d->device == q->device && | |
16179 | (d->subsystem_vendor == q->subsystem_vendor || | |
16180 | q->subsystem_vendor == PCI_ANY_ID) && | |
16181 | (d->subsystem_device == q->subsystem_device || | |
16182 | q->subsystem_device == PCI_ANY_ID)) | |
16183 | q->hook(dev); | |
16184 | } | |
5f85f176 EE |
16185 | for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) { |
16186 | if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0) | |
16187 | intel_dmi_quirks[i].hook(dev); | |
16188 | } | |
b690e96c JB |
16189 | } |
16190 | ||
9cce37f4 JB |
16191 | /* Disable the VGA plane that we never use */ |
16192 | static void i915_disable_vga(struct drm_device *dev) | |
16193 | { | |
fac5e23e | 16194 | struct drm_i915_private *dev_priv = to_i915(dev); |
52a05c30 | 16195 | struct pci_dev *pdev = dev_priv->drm.pdev; |
9cce37f4 | 16196 | u8 sr1; |
f0f59a00 | 16197 | i915_reg_t vga_reg = i915_vgacntrl_reg(dev); |
9cce37f4 | 16198 | |
2b37c616 | 16199 | /* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */ |
52a05c30 | 16200 | vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO); |
3fdcf431 | 16201 | outb(SR01, VGA_SR_INDEX); |
9cce37f4 JB |
16202 | sr1 = inb(VGA_SR_DATA); |
16203 | outb(sr1 | 1<<5, VGA_SR_DATA); | |
52a05c30 | 16204 | vga_put(pdev, VGA_RSRC_LEGACY_IO); |
9cce37f4 JB |
16205 | udelay(300); |
16206 | ||
01f5a626 | 16207 | I915_WRITE(vga_reg, VGA_DISP_DISABLE); |
9cce37f4 JB |
16208 | POSTING_READ(vga_reg); |
16209 | } | |
16210 | ||
f817586c DV |
16211 | void intel_modeset_init_hw(struct drm_device *dev) |
16212 | { | |
fac5e23e | 16213 | struct drm_i915_private *dev_priv = to_i915(dev); |
1a617b77 | 16214 | |
b6283055 | 16215 | intel_update_cdclk(dev); |
1a617b77 ML |
16216 | |
16217 | dev_priv->atomic_cdclk_freq = dev_priv->cdclk_freq; | |
16218 | ||
f817586c | 16219 | intel_init_clock_gating(dev); |
f817586c DV |
16220 | } |
16221 | ||
d93c0372 MR |
16222 | /* |
16223 | * Calculate what we think the watermarks should be for the state we've read | |
16224 | * out of the hardware and then immediately program those watermarks so that | |
16225 | * we ensure the hardware settings match our internal state. | |
16226 | * | |
16227 | * We can calculate what we think WM's should be by creating a duplicate of the | |
16228 | * current state (which was constructed during hardware readout) and running it | |
16229 | * through the atomic check code to calculate new watermark values in the | |
16230 | * state object. | |
16231 | */ | |
16232 | static void sanitize_watermarks(struct drm_device *dev) | |
16233 | { | |
16234 | struct drm_i915_private *dev_priv = to_i915(dev); | |
16235 | struct drm_atomic_state *state; | |
16236 | struct drm_crtc *crtc; | |
16237 | struct drm_crtc_state *cstate; | |
16238 | struct drm_modeset_acquire_ctx ctx; | |
16239 | int ret; | |
16240 | int i; | |
16241 | ||
16242 | /* Only supported on platforms that use atomic watermark design */ | |
ed4a6a7c | 16243 | if (!dev_priv->display.optimize_watermarks) |
d93c0372 MR |
16244 | return; |
16245 | ||
16246 | /* | |
16247 | * We need to hold connection_mutex before calling duplicate_state so | |
16248 | * that the connector loop is protected. | |
16249 | */ | |
16250 | drm_modeset_acquire_init(&ctx, 0); | |
16251 | retry: | |
0cd1262d | 16252 | ret = drm_modeset_lock_all_ctx(dev, &ctx); |
d93c0372 MR |
16253 | if (ret == -EDEADLK) { |
16254 | drm_modeset_backoff(&ctx); | |
16255 | goto retry; | |
16256 | } else if (WARN_ON(ret)) { | |
0cd1262d | 16257 | goto fail; |
d93c0372 MR |
16258 | } |
16259 | ||
16260 | state = drm_atomic_helper_duplicate_state(dev, &ctx); | |
16261 | if (WARN_ON(IS_ERR(state))) | |
0cd1262d | 16262 | goto fail; |
d93c0372 | 16263 | |
ed4a6a7c MR |
16264 | /* |
16265 | * Hardware readout is the only time we don't want to calculate | |
16266 | * intermediate watermarks (since we don't trust the current | |
16267 | * watermarks). | |
16268 | */ | |
16269 | to_intel_atomic_state(state)->skip_intermediate_wm = true; | |
16270 | ||
d93c0372 MR |
16271 | ret = intel_atomic_check(dev, state); |
16272 | if (ret) { | |
16273 | /* | |
16274 | * If we fail here, it means that the hardware appears to be | |
16275 | * programmed in a way that shouldn't be possible, given our | |
16276 | * understanding of watermark requirements. This might mean a | |
16277 | * mistake in the hardware readout code or a mistake in the | |
16278 | * watermark calculations for a given platform. Raise a WARN | |
16279 | * so that this is noticeable. | |
16280 | * | |
16281 | * If this actually happens, we'll have to just leave the | |
16282 | * BIOS-programmed watermarks untouched and hope for the best. | |
16283 | */ | |
16284 | WARN(true, "Could not determine valid watermarks for inherited state\n"); | |
0cd1262d | 16285 | goto fail; |
d93c0372 MR |
16286 | } |
16287 | ||
16288 | /* Write calculated watermark values back */ | |
d93c0372 MR |
16289 | for_each_crtc_in_state(state, crtc, cstate, i) { |
16290 | struct intel_crtc_state *cs = to_intel_crtc_state(cstate); | |
16291 | ||
ed4a6a7c MR |
16292 | cs->wm.need_postvbl_update = true; |
16293 | dev_priv->display.optimize_watermarks(cs); | |
d93c0372 MR |
16294 | } |
16295 | ||
16296 | drm_atomic_state_free(state); | |
0cd1262d | 16297 | fail: |
d93c0372 MR |
16298 | drm_modeset_drop_locks(&ctx); |
16299 | drm_modeset_acquire_fini(&ctx); | |
16300 | } | |
16301 | ||
79e53945 JB |
16302 | void intel_modeset_init(struct drm_device *dev) |
16303 | { | |
72e96d64 JL |
16304 | struct drm_i915_private *dev_priv = to_i915(dev); |
16305 | struct i915_ggtt *ggtt = &dev_priv->ggtt; | |
1fe47785 | 16306 | int sprite, ret; |
8cc87b75 | 16307 | enum pipe pipe; |
46f297fb | 16308 | struct intel_crtc *crtc; |
79e53945 JB |
16309 | |
16310 | drm_mode_config_init(dev); | |
16311 | ||
16312 | dev->mode_config.min_width = 0; | |
16313 | dev->mode_config.min_height = 0; | |
16314 | ||
019d96cb DA |
16315 | dev->mode_config.preferred_depth = 24; |
16316 | dev->mode_config.prefer_shadow = 1; | |
16317 | ||
25bab385 TU |
16318 | dev->mode_config.allow_fb_modifiers = true; |
16319 | ||
e6ecefaa | 16320 | dev->mode_config.funcs = &intel_mode_funcs; |
79e53945 | 16321 | |
b690e96c JB |
16322 | intel_init_quirks(dev); |
16323 | ||
1fa61106 ED |
16324 | intel_init_pm(dev); |
16325 | ||
e3c74757 BW |
16326 | if (INTEL_INFO(dev)->num_pipes == 0) |
16327 | return; | |
16328 | ||
69f92f67 LW |
16329 | /* |
16330 | * There may be no VBT; and if the BIOS enabled SSC we can | |
16331 | * just keep using it to avoid unnecessary flicker. Whereas if the | |
16332 | * BIOS isn't using it, don't assume it will work even if the VBT | |
16333 | * indicates as much. | |
16334 | */ | |
16335 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) { | |
16336 | bool bios_lvds_use_ssc = !!(I915_READ(PCH_DREF_CONTROL) & | |
16337 | DREF_SSC1_ENABLE); | |
16338 | ||
16339 | if (dev_priv->vbt.lvds_use_ssc != bios_lvds_use_ssc) { | |
16340 | DRM_DEBUG_KMS("SSC %sabled by BIOS, overriding VBT which says %sabled\n", | |
16341 | bios_lvds_use_ssc ? "en" : "dis", | |
16342 | dev_priv->vbt.lvds_use_ssc ? "en" : "dis"); | |
16343 | dev_priv->vbt.lvds_use_ssc = bios_lvds_use_ssc; | |
16344 | } | |
16345 | } | |
16346 | ||
a6c45cf0 CW |
16347 | if (IS_GEN2(dev)) { |
16348 | dev->mode_config.max_width = 2048; | |
16349 | dev->mode_config.max_height = 2048; | |
16350 | } else if (IS_GEN3(dev)) { | |
5e4d6fa7 KP |
16351 | dev->mode_config.max_width = 4096; |
16352 | dev->mode_config.max_height = 4096; | |
79e53945 | 16353 | } else { |
a6c45cf0 CW |
16354 | dev->mode_config.max_width = 8192; |
16355 | dev->mode_config.max_height = 8192; | |
79e53945 | 16356 | } |
068be561 | 16357 | |
dc41c154 VS |
16358 | if (IS_845G(dev) || IS_I865G(dev)) { |
16359 | dev->mode_config.cursor_width = IS_845G(dev) ? 64 : 512; | |
16360 | dev->mode_config.cursor_height = 1023; | |
16361 | } else if (IS_GEN2(dev)) { | |
068be561 DL |
16362 | dev->mode_config.cursor_width = GEN2_CURSOR_WIDTH; |
16363 | dev->mode_config.cursor_height = GEN2_CURSOR_HEIGHT; | |
16364 | } else { | |
16365 | dev->mode_config.cursor_width = MAX_CURSOR_WIDTH; | |
16366 | dev->mode_config.cursor_height = MAX_CURSOR_HEIGHT; | |
16367 | } | |
16368 | ||
72e96d64 | 16369 | dev->mode_config.fb_base = ggtt->mappable_base; |
79e53945 | 16370 | |
28c97730 | 16371 | DRM_DEBUG_KMS("%d display pipe%s available.\n", |
7eb552ae BW |
16372 | INTEL_INFO(dev)->num_pipes, |
16373 | INTEL_INFO(dev)->num_pipes > 1 ? "s" : ""); | |
79e53945 | 16374 | |
055e393f | 16375 | for_each_pipe(dev_priv, pipe) { |
8cc87b75 | 16376 | intel_crtc_init(dev, pipe); |
3bdcfc0c | 16377 | for_each_sprite(dev_priv, pipe, sprite) { |
1fe47785 | 16378 | ret = intel_plane_init(dev, pipe, sprite); |
7f1f3851 | 16379 | if (ret) |
06da8da2 | 16380 | DRM_DEBUG_KMS("pipe %c sprite %c init failed: %d\n", |
1fe47785 | 16381 | pipe_name(pipe), sprite_name(pipe, sprite), ret); |
7f1f3851 | 16382 | } |
79e53945 JB |
16383 | } |
16384 | ||
bfa7df01 VS |
16385 | intel_update_czclk(dev_priv); |
16386 | intel_update_cdclk(dev); | |
16387 | ||
e72f9fbf | 16388 | intel_shared_dpll_init(dev); |
ee7b9f93 | 16389 | |
b2045352 VS |
16390 | if (dev_priv->max_cdclk_freq == 0) |
16391 | intel_update_max_cdclk(dev); | |
16392 | ||
9cce37f4 JB |
16393 | /* Just disable it once at startup */ |
16394 | i915_disable_vga(dev); | |
79e53945 | 16395 | intel_setup_outputs(dev); |
11be49eb | 16396 | |
6e9f798d | 16397 | drm_modeset_lock_all(dev); |
043e9bda | 16398 | intel_modeset_setup_hw_state(dev); |
6e9f798d | 16399 | drm_modeset_unlock_all(dev); |
46f297fb | 16400 | |
d3fcc808 | 16401 | for_each_intel_crtc(dev, crtc) { |
eeebeac5 ML |
16402 | struct intel_initial_plane_config plane_config = {}; |
16403 | ||
46f297fb JB |
16404 | if (!crtc->active) |
16405 | continue; | |
16406 | ||
46f297fb | 16407 | /* |
46f297fb JB |
16408 | * Note that reserving the BIOS fb up front prevents us |
16409 | * from stuffing other stolen allocations like the ring | |
16410 | * on top. This prevents some ugliness at boot time, and | |
16411 | * can even allow for smooth boot transitions if the BIOS | |
16412 | * fb is large enough for the active pipe configuration. | |
16413 | */ | |
eeebeac5 ML |
16414 | dev_priv->display.get_initial_plane_config(crtc, |
16415 | &plane_config); | |
16416 | ||
16417 | /* | |
16418 | * If the fb is shared between multiple heads, we'll | |
16419 | * just get the first one. | |
16420 | */ | |
16421 | intel_find_initial_plane_obj(crtc, &plane_config); | |
46f297fb | 16422 | } |
d93c0372 MR |
16423 | |
16424 | /* | |
16425 | * Make sure hardware watermarks really match the state we read out. | |
16426 | * Note that we need to do this after reconstructing the BIOS fb's | |
16427 | * since the watermark calculation done here will use pstate->fb. | |
16428 | */ | |
16429 | sanitize_watermarks(dev); | |
2c7111db CW |
16430 | } |
16431 | ||
7fad798e DV |
16432 | static void intel_enable_pipe_a(struct drm_device *dev) |
16433 | { | |
16434 | struct intel_connector *connector; | |
16435 | struct drm_connector *crt = NULL; | |
16436 | struct intel_load_detect_pipe load_detect_temp; | |
208bf9fd | 16437 | struct drm_modeset_acquire_ctx *ctx = dev->mode_config.acquire_ctx; |
7fad798e DV |
16438 | |
16439 | /* We can't just switch on the pipe A, we need to set things up with a | |
16440 | * proper mode and output configuration. As a gross hack, enable pipe A | |
16441 | * by enabling the load detect pipe once. */ | |
3a3371ff | 16442 | for_each_intel_connector(dev, connector) { |
7fad798e DV |
16443 | if (connector->encoder->type == INTEL_OUTPUT_ANALOG) { |
16444 | crt = &connector->base; | |
16445 | break; | |
16446 | } | |
16447 | } | |
16448 | ||
16449 | if (!crt) | |
16450 | return; | |
16451 | ||
208bf9fd | 16452 | if (intel_get_load_detect_pipe(crt, NULL, &load_detect_temp, ctx)) |
49172fee | 16453 | intel_release_load_detect_pipe(crt, &load_detect_temp, ctx); |
7fad798e DV |
16454 | } |
16455 | ||
fa555837 DV |
16456 | static bool |
16457 | intel_check_plane_mapping(struct intel_crtc *crtc) | |
16458 | { | |
7eb552ae | 16459 | struct drm_device *dev = crtc->base.dev; |
fac5e23e | 16460 | struct drm_i915_private *dev_priv = to_i915(dev); |
649636ef | 16461 | u32 val; |
fa555837 | 16462 | |
7eb552ae | 16463 | if (INTEL_INFO(dev)->num_pipes == 1) |
fa555837 DV |
16464 | return true; |
16465 | ||
649636ef | 16466 | val = I915_READ(DSPCNTR(!crtc->plane)); |
fa555837 DV |
16467 | |
16468 | if ((val & DISPLAY_PLANE_ENABLE) && | |
16469 | (!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe)) | |
16470 | return false; | |
16471 | ||
16472 | return true; | |
16473 | } | |
16474 | ||
02e93c35 VS |
16475 | static bool intel_crtc_has_encoders(struct intel_crtc *crtc) |
16476 | { | |
16477 | struct drm_device *dev = crtc->base.dev; | |
16478 | struct intel_encoder *encoder; | |
16479 | ||
16480 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) | |
16481 | return true; | |
16482 | ||
16483 | return false; | |
16484 | } | |
16485 | ||
496b0fc3 ML |
16486 | static struct intel_connector *intel_encoder_find_connector(struct intel_encoder *encoder) |
16487 | { | |
16488 | struct drm_device *dev = encoder->base.dev; | |
16489 | struct intel_connector *connector; | |
16490 | ||
16491 | for_each_connector_on_encoder(dev, &encoder->base, connector) | |
16492 | return connector; | |
16493 | ||
16494 | return NULL; | |
16495 | } | |
16496 | ||
a168f5b3 VS |
16497 | static bool has_pch_trancoder(struct drm_i915_private *dev_priv, |
16498 | enum transcoder pch_transcoder) | |
16499 | { | |
16500 | return HAS_PCH_IBX(dev_priv) || HAS_PCH_CPT(dev_priv) || | |
16501 | (HAS_PCH_LPT_H(dev_priv) && pch_transcoder == TRANSCODER_A); | |
16502 | } | |
16503 | ||
24929352 DV |
16504 | static void intel_sanitize_crtc(struct intel_crtc *crtc) |
16505 | { | |
16506 | struct drm_device *dev = crtc->base.dev; | |
fac5e23e | 16507 | struct drm_i915_private *dev_priv = to_i915(dev); |
4d1de975 | 16508 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
24929352 | 16509 | |
24929352 | 16510 | /* Clear any frame start delays used for debugging left by the BIOS */ |
4d1de975 JN |
16511 | if (!transcoder_is_dsi(cpu_transcoder)) { |
16512 | i915_reg_t reg = PIPECONF(cpu_transcoder); | |
16513 | ||
16514 | I915_WRITE(reg, | |
16515 | I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); | |
16516 | } | |
24929352 | 16517 | |
d3eaf884 | 16518 | /* restore vblank interrupts to correct state */ |
9625604c | 16519 | drm_crtc_vblank_reset(&crtc->base); |
d297e103 | 16520 | if (crtc->active) { |
f9cd7b88 VS |
16521 | struct intel_plane *plane; |
16522 | ||
9625604c | 16523 | drm_crtc_vblank_on(&crtc->base); |
f9cd7b88 VS |
16524 | |
16525 | /* Disable everything but the primary plane */ | |
16526 | for_each_intel_plane_on_crtc(dev, crtc, plane) { | |
16527 | if (plane->base.type == DRM_PLANE_TYPE_PRIMARY) | |
16528 | continue; | |
16529 | ||
16530 | plane->disable_plane(&plane->base, &crtc->base); | |
16531 | } | |
9625604c | 16532 | } |
d3eaf884 | 16533 | |
24929352 | 16534 | /* We need to sanitize the plane -> pipe mapping first because this will |
fa555837 DV |
16535 | * disable the crtc (and hence change the state) if it is wrong. Note |
16536 | * that gen4+ has a fixed plane -> pipe mapping. */ | |
16537 | if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) { | |
24929352 DV |
16538 | bool plane; |
16539 | ||
78108b7c VS |
16540 | DRM_DEBUG_KMS("[CRTC:%d:%s] wrong plane connection detected!\n", |
16541 | crtc->base.base.id, crtc->base.name); | |
24929352 DV |
16542 | |
16543 | /* Pipe has the wrong plane attached and the plane is active. | |
16544 | * Temporarily change the plane mapping and disable everything | |
16545 | * ... */ | |
16546 | plane = crtc->plane; | |
936e71e3 | 16547 | to_intel_plane_state(crtc->base.primary->state)->base.visible = true; |
24929352 | 16548 | crtc->plane = !plane; |
b17d48e2 | 16549 | intel_crtc_disable_noatomic(&crtc->base); |
24929352 | 16550 | crtc->plane = plane; |
24929352 | 16551 | } |
24929352 | 16552 | |
7fad798e DV |
16553 | if (dev_priv->quirks & QUIRK_PIPEA_FORCE && |
16554 | crtc->pipe == PIPE_A && !crtc->active) { | |
16555 | /* BIOS forgot to enable pipe A, this mostly happens after | |
16556 | * resume. Force-enable the pipe to fix this, the update_dpms | |
16557 | * call below we restore the pipe to the right state, but leave | |
16558 | * the required bits on. */ | |
16559 | intel_enable_pipe_a(dev); | |
16560 | } | |
16561 | ||
24929352 DV |
16562 | /* Adjust the state of the output pipe according to whether we |
16563 | * have active connectors/encoders. */ | |
842e0307 | 16564 | if (crtc->active && !intel_crtc_has_encoders(crtc)) |
b17d48e2 | 16565 | intel_crtc_disable_noatomic(&crtc->base); |
24929352 | 16566 | |
a3ed6aad | 16567 | if (crtc->active || HAS_GMCH_DISPLAY(dev)) { |
4cc31489 DV |
16568 | /* |
16569 | * We start out with underrun reporting disabled to avoid races. | |
16570 | * For correct bookkeeping mark this on active crtcs. | |
16571 | * | |
c5ab3bc0 DV |
16572 | * Also on gmch platforms we dont have any hardware bits to |
16573 | * disable the underrun reporting. Which means we need to start | |
16574 | * out with underrun reporting disabled also on inactive pipes, | |
16575 | * since otherwise we'll complain about the garbage we read when | |
16576 | * e.g. coming up after runtime pm. | |
16577 | * | |
4cc31489 DV |
16578 | * No protection against concurrent access is required - at |
16579 | * worst a fifo underrun happens which also sets this to false. | |
16580 | */ | |
16581 | crtc->cpu_fifo_underrun_disabled = true; | |
a168f5b3 VS |
16582 | /* |
16583 | * We track the PCH trancoder underrun reporting state | |
16584 | * within the crtc. With crtc for pipe A housing the underrun | |
16585 | * reporting state for PCH transcoder A, crtc for pipe B housing | |
16586 | * it for PCH transcoder B, etc. LPT-H has only PCH transcoder A, | |
16587 | * and marking underrun reporting as disabled for the non-existing | |
16588 | * PCH transcoders B and C would prevent enabling the south | |
16589 | * error interrupt (see cpt_can_enable_serr_int()). | |
16590 | */ | |
16591 | if (has_pch_trancoder(dev_priv, (enum transcoder)crtc->pipe)) | |
16592 | crtc->pch_fifo_underrun_disabled = true; | |
4cc31489 | 16593 | } |
24929352 DV |
16594 | } |
16595 | ||
16596 | static void intel_sanitize_encoder(struct intel_encoder *encoder) | |
16597 | { | |
16598 | struct intel_connector *connector; | |
24929352 DV |
16599 | |
16600 | /* We need to check both for a crtc link (meaning that the | |
16601 | * encoder is active and trying to read from a pipe) and the | |
16602 | * pipe itself being active. */ | |
16603 | bool has_active_crtc = encoder->base.crtc && | |
16604 | to_intel_crtc(encoder->base.crtc)->active; | |
16605 | ||
496b0fc3 ML |
16606 | connector = intel_encoder_find_connector(encoder); |
16607 | if (connector && !has_active_crtc) { | |
24929352 DV |
16608 | DRM_DEBUG_KMS("[ENCODER:%d:%s] has active connectors but no active pipe!\n", |
16609 | encoder->base.base.id, | |
8e329a03 | 16610 | encoder->base.name); |
24929352 DV |
16611 | |
16612 | /* Connector is active, but has no active pipe. This is | |
16613 | * fallout from our resume register restoring. Disable | |
16614 | * the encoder manually again. */ | |
16615 | if (encoder->base.crtc) { | |
fd6bbda9 ML |
16616 | struct drm_crtc_state *crtc_state = encoder->base.crtc->state; |
16617 | ||
24929352 DV |
16618 | DRM_DEBUG_KMS("[ENCODER:%d:%s] manually disabled\n", |
16619 | encoder->base.base.id, | |
8e329a03 | 16620 | encoder->base.name); |
fd6bbda9 | 16621 | encoder->disable(encoder, to_intel_crtc_state(crtc_state), connector->base.state); |
a62d1497 | 16622 | if (encoder->post_disable) |
fd6bbda9 | 16623 | encoder->post_disable(encoder, to_intel_crtc_state(crtc_state), connector->base.state); |
24929352 | 16624 | } |
7f1950fb | 16625 | encoder->base.crtc = NULL; |
24929352 DV |
16626 | |
16627 | /* Inconsistent output/port/pipe state happens presumably due to | |
16628 | * a bug in one of the get_hw_state functions. Or someplace else | |
16629 | * in our code, like the register restore mess on resume. Clamp | |
16630 | * things to off as a safer default. */ | |
fd6bbda9 ML |
16631 | |
16632 | connector->base.dpms = DRM_MODE_DPMS_OFF; | |
16633 | connector->base.encoder = NULL; | |
24929352 DV |
16634 | } |
16635 | /* Enabled encoders without active connectors will be fixed in | |
16636 | * the crtc fixup. */ | |
16637 | } | |
16638 | ||
04098753 | 16639 | void i915_redisable_vga_power_on(struct drm_device *dev) |
0fde901f | 16640 | { |
fac5e23e | 16641 | struct drm_i915_private *dev_priv = to_i915(dev); |
f0f59a00 | 16642 | i915_reg_t vga_reg = i915_vgacntrl_reg(dev); |
0fde901f | 16643 | |
04098753 ID |
16644 | if (!(I915_READ(vga_reg) & VGA_DISP_DISABLE)) { |
16645 | DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); | |
16646 | i915_disable_vga(dev); | |
16647 | } | |
16648 | } | |
16649 | ||
16650 | void i915_redisable_vga(struct drm_device *dev) | |
16651 | { | |
fac5e23e | 16652 | struct drm_i915_private *dev_priv = to_i915(dev); |
04098753 | 16653 | |
8dc8a27c PZ |
16654 | /* This function can be called both from intel_modeset_setup_hw_state or |
16655 | * at a very early point in our resume sequence, where the power well | |
16656 | * structures are not yet restored. Since this function is at a very | |
16657 | * paranoid "someone might have enabled VGA while we were not looking" | |
16658 | * level, just check if the power well is enabled instead of trying to | |
16659 | * follow the "don't touch the power well if we don't need it" policy | |
16660 | * the rest of the driver uses. */ | |
6392f847 | 16661 | if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_VGA)) |
8dc8a27c PZ |
16662 | return; |
16663 | ||
04098753 | 16664 | i915_redisable_vga_power_on(dev); |
6392f847 ID |
16665 | |
16666 | intel_display_power_put(dev_priv, POWER_DOMAIN_VGA); | |
0fde901f KM |
16667 | } |
16668 | ||
f9cd7b88 | 16669 | static bool primary_get_hw_state(struct intel_plane *plane) |
98ec7739 | 16670 | { |
f9cd7b88 | 16671 | struct drm_i915_private *dev_priv = to_i915(plane->base.dev); |
98ec7739 | 16672 | |
f9cd7b88 | 16673 | return I915_READ(DSPCNTR(plane->plane)) & DISPLAY_PLANE_ENABLE; |
d032ffa0 ML |
16674 | } |
16675 | ||
f9cd7b88 VS |
16676 | /* FIXME read out full plane state for all planes */ |
16677 | static void readout_plane_state(struct intel_crtc *crtc) | |
d032ffa0 | 16678 | { |
b26d3ea3 | 16679 | struct drm_plane *primary = crtc->base.primary; |
f9cd7b88 | 16680 | struct intel_plane_state *plane_state = |
b26d3ea3 | 16681 | to_intel_plane_state(primary->state); |
d032ffa0 | 16682 | |
936e71e3 | 16683 | plane_state->base.visible = crtc->active && |
b26d3ea3 ML |
16684 | primary_get_hw_state(to_intel_plane(primary)); |
16685 | ||
936e71e3 | 16686 | if (plane_state->base.visible) |
b26d3ea3 | 16687 | crtc->base.state->plane_mask |= 1 << drm_plane_index(primary); |
98ec7739 VS |
16688 | } |
16689 | ||
30e984df | 16690 | static void intel_modeset_readout_hw_state(struct drm_device *dev) |
24929352 | 16691 | { |
fac5e23e | 16692 | struct drm_i915_private *dev_priv = to_i915(dev); |
24929352 | 16693 | enum pipe pipe; |
24929352 DV |
16694 | struct intel_crtc *crtc; |
16695 | struct intel_encoder *encoder; | |
16696 | struct intel_connector *connector; | |
5358901f | 16697 | int i; |
24929352 | 16698 | |
565602d7 ML |
16699 | dev_priv->active_crtcs = 0; |
16700 | ||
d3fcc808 | 16701 | for_each_intel_crtc(dev, crtc) { |
565602d7 ML |
16702 | struct intel_crtc_state *crtc_state = crtc->config; |
16703 | int pixclk = 0; | |
3b117c8f | 16704 | |
ec2dc6a0 | 16705 | __drm_atomic_helper_crtc_destroy_state(&crtc_state->base); |
565602d7 ML |
16706 | memset(crtc_state, 0, sizeof(*crtc_state)); |
16707 | crtc_state->base.crtc = &crtc->base; | |
24929352 | 16708 | |
565602d7 ML |
16709 | crtc_state->base.active = crtc_state->base.enable = |
16710 | dev_priv->display.get_pipe_config(crtc, crtc_state); | |
16711 | ||
16712 | crtc->base.enabled = crtc_state->base.enable; | |
16713 | crtc->active = crtc_state->base.active; | |
16714 | ||
16715 | if (crtc_state->base.active) { | |
16716 | dev_priv->active_crtcs |= 1 << crtc->pipe; | |
16717 | ||
c89e39f3 | 16718 | if (INTEL_GEN(dev_priv) >= 9 || IS_BROADWELL(dev_priv)) |
565602d7 | 16719 | pixclk = ilk_pipe_pixel_rate(crtc_state); |
9558d15d | 16720 | else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) |
565602d7 ML |
16721 | pixclk = crtc_state->base.adjusted_mode.crtc_clock; |
16722 | else | |
16723 | WARN_ON(dev_priv->display.modeset_calc_cdclk); | |
9558d15d VS |
16724 | |
16725 | /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */ | |
16726 | if (IS_BROADWELL(dev_priv) && crtc_state->ips_enabled) | |
16727 | pixclk = DIV_ROUND_UP(pixclk * 100, 95); | |
565602d7 ML |
16728 | } |
16729 | ||
16730 | dev_priv->min_pixclk[crtc->pipe] = pixclk; | |
b70709a6 | 16731 | |
f9cd7b88 | 16732 | readout_plane_state(crtc); |
24929352 | 16733 | |
78108b7c VS |
16734 | DRM_DEBUG_KMS("[CRTC:%d:%s] hw state readout: %s\n", |
16735 | crtc->base.base.id, crtc->base.name, | |
24929352 DV |
16736 | crtc->active ? "enabled" : "disabled"); |
16737 | } | |
16738 | ||
5358901f DV |
16739 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
16740 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
16741 | ||
2edd6443 ACO |
16742 | pll->on = pll->funcs.get_hw_state(dev_priv, pll, |
16743 | &pll->config.hw_state); | |
3e369b76 | 16744 | pll->config.crtc_mask = 0; |
d3fcc808 | 16745 | for_each_intel_crtc(dev, crtc) { |
2dd66ebd | 16746 | if (crtc->active && crtc->config->shared_dpll == pll) |
3e369b76 | 16747 | pll->config.crtc_mask |= 1 << crtc->pipe; |
5358901f | 16748 | } |
2dd66ebd | 16749 | pll->active_mask = pll->config.crtc_mask; |
5358901f | 16750 | |
1e6f2ddc | 16751 | DRM_DEBUG_KMS("%s hw state readout: crtc_mask 0x%08x, on %i\n", |
3e369b76 | 16752 | pll->name, pll->config.crtc_mask, pll->on); |
5358901f DV |
16753 | } |
16754 | ||
b2784e15 | 16755 | for_each_intel_encoder(dev, encoder) { |
24929352 DV |
16756 | pipe = 0; |
16757 | ||
16758 | if (encoder->get_hw_state(encoder, &pipe)) { | |
045ac3b5 JB |
16759 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
16760 | encoder->base.crtc = &crtc->base; | |
253c84c8 | 16761 | crtc->config->output_types |= 1 << encoder->type; |
6e3c9717 | 16762 | encoder->get_config(encoder, crtc->config); |
24929352 DV |
16763 | } else { |
16764 | encoder->base.crtc = NULL; | |
16765 | } | |
16766 | ||
6f2bcceb | 16767 | DRM_DEBUG_KMS("[ENCODER:%d:%s] hw state readout: %s, pipe %c\n", |
24929352 | 16768 | encoder->base.base.id, |
8e329a03 | 16769 | encoder->base.name, |
24929352 | 16770 | encoder->base.crtc ? "enabled" : "disabled", |
6f2bcceb | 16771 | pipe_name(pipe)); |
24929352 DV |
16772 | } |
16773 | ||
3a3371ff | 16774 | for_each_intel_connector(dev, connector) { |
24929352 DV |
16775 | if (connector->get_hw_state(connector)) { |
16776 | connector->base.dpms = DRM_MODE_DPMS_ON; | |
2aa974c9 ML |
16777 | |
16778 | encoder = connector->encoder; | |
16779 | connector->base.encoder = &encoder->base; | |
16780 | ||
16781 | if (encoder->base.crtc && | |
16782 | encoder->base.crtc->state->active) { | |
16783 | /* | |
16784 | * This has to be done during hardware readout | |
16785 | * because anything calling .crtc_disable may | |
16786 | * rely on the connector_mask being accurate. | |
16787 | */ | |
16788 | encoder->base.crtc->state->connector_mask |= | |
16789 | 1 << drm_connector_index(&connector->base); | |
e87a52b3 ML |
16790 | encoder->base.crtc->state->encoder_mask |= |
16791 | 1 << drm_encoder_index(&encoder->base); | |
2aa974c9 ML |
16792 | } |
16793 | ||
24929352 DV |
16794 | } else { |
16795 | connector->base.dpms = DRM_MODE_DPMS_OFF; | |
16796 | connector->base.encoder = NULL; | |
16797 | } | |
16798 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] hw state readout: %s\n", | |
16799 | connector->base.base.id, | |
c23cc417 | 16800 | connector->base.name, |
24929352 DV |
16801 | connector->base.encoder ? "enabled" : "disabled"); |
16802 | } | |
7f4c6284 VS |
16803 | |
16804 | for_each_intel_crtc(dev, crtc) { | |
16805 | crtc->base.hwmode = crtc->config->base.adjusted_mode; | |
16806 | ||
16807 | memset(&crtc->base.mode, 0, sizeof(crtc->base.mode)); | |
16808 | if (crtc->base.state->active) { | |
16809 | intel_mode_from_pipe_config(&crtc->base.mode, crtc->config); | |
16810 | intel_mode_from_pipe_config(&crtc->base.state->adjusted_mode, crtc->config); | |
16811 | WARN_ON(drm_atomic_set_mode_for_crtc(crtc->base.state, &crtc->base.mode)); | |
16812 | ||
16813 | /* | |
16814 | * The initial mode needs to be set in order to keep | |
16815 | * the atomic core happy. It wants a valid mode if the | |
16816 | * crtc's enabled, so we do the above call. | |
16817 | * | |
16818 | * At this point some state updated by the connectors | |
16819 | * in their ->detect() callback has not run yet, so | |
16820 | * no recalculation can be done yet. | |
16821 | * | |
16822 | * Even if we could do a recalculation and modeset | |
16823 | * right now it would cause a double modeset if | |
16824 | * fbdev or userspace chooses a different initial mode. | |
16825 | * | |
16826 | * If that happens, someone indicated they wanted a | |
16827 | * mode change, which means it's safe to do a full | |
16828 | * recalculation. | |
16829 | */ | |
16830 | crtc->base.state->mode.private_flags = I915_MODE_FLAG_INHERITED; | |
9eca6832 VS |
16831 | |
16832 | drm_calc_timestamping_constants(&crtc->base, &crtc->base.hwmode); | |
16833 | update_scanline_offset(crtc); | |
7f4c6284 | 16834 | } |
e3b247da VS |
16835 | |
16836 | intel_pipe_config_sanity_check(dev_priv, crtc->config); | |
7f4c6284 | 16837 | } |
30e984df DV |
16838 | } |
16839 | ||
043e9bda ML |
16840 | /* Scan out the current hw modeset state, |
16841 | * and sanitizes it to the current state | |
16842 | */ | |
16843 | static void | |
16844 | intel_modeset_setup_hw_state(struct drm_device *dev) | |
30e984df | 16845 | { |
fac5e23e | 16846 | struct drm_i915_private *dev_priv = to_i915(dev); |
30e984df | 16847 | enum pipe pipe; |
30e984df DV |
16848 | struct intel_crtc *crtc; |
16849 | struct intel_encoder *encoder; | |
35c95375 | 16850 | int i; |
30e984df DV |
16851 | |
16852 | intel_modeset_readout_hw_state(dev); | |
24929352 DV |
16853 | |
16854 | /* HW state is read out, now we need to sanitize this mess. */ | |
b2784e15 | 16855 | for_each_intel_encoder(dev, encoder) { |
24929352 DV |
16856 | intel_sanitize_encoder(encoder); |
16857 | } | |
16858 | ||
055e393f | 16859 | for_each_pipe(dev_priv, pipe) { |
24929352 DV |
16860 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
16861 | intel_sanitize_crtc(crtc); | |
6e3c9717 ACO |
16862 | intel_dump_pipe_config(crtc, crtc->config, |
16863 | "[setup_hw_state]"); | |
24929352 | 16864 | } |
9a935856 | 16865 | |
d29b2f9d ACO |
16866 | intel_modeset_update_connector_atomic_state(dev); |
16867 | ||
35c95375 DV |
16868 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
16869 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
16870 | ||
2dd66ebd | 16871 | if (!pll->on || pll->active_mask) |
35c95375 DV |
16872 | continue; |
16873 | ||
16874 | DRM_DEBUG_KMS("%s enabled but not in use, disabling\n", pll->name); | |
16875 | ||
2edd6443 | 16876 | pll->funcs.disable(dev_priv, pll); |
35c95375 DV |
16877 | pll->on = false; |
16878 | } | |
16879 | ||
666a4537 | 16880 | if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) |
6eb1a681 VS |
16881 | vlv_wm_get_hw_state(dev); |
16882 | else if (IS_GEN9(dev)) | |
3078999f PB |
16883 | skl_wm_get_hw_state(dev); |
16884 | else if (HAS_PCH_SPLIT(dev)) | |
243e6a44 | 16885 | ilk_wm_get_hw_state(dev); |
292b990e ML |
16886 | |
16887 | for_each_intel_crtc(dev, crtc) { | |
16888 | unsigned long put_domains; | |
16889 | ||
74bff5f9 | 16890 | put_domains = modeset_get_crtc_power_domains(&crtc->base, crtc->config); |
292b990e ML |
16891 | if (WARN_ON(put_domains)) |
16892 | modeset_put_power_domains(dev_priv, put_domains); | |
16893 | } | |
16894 | intel_display_set_init_power(dev_priv, false); | |
010cf73d PZ |
16895 | |
16896 | intel_fbc_init_pipe_state(dev_priv); | |
043e9bda | 16897 | } |
7d0bc1ea | 16898 | |
043e9bda ML |
16899 | void intel_display_resume(struct drm_device *dev) |
16900 | { | |
e2c8b870 ML |
16901 | struct drm_i915_private *dev_priv = to_i915(dev); |
16902 | struct drm_atomic_state *state = dev_priv->modeset_restore_state; | |
16903 | struct drm_modeset_acquire_ctx ctx; | |
043e9bda | 16904 | int ret; |
f30da187 | 16905 | |
e2c8b870 | 16906 | dev_priv->modeset_restore_state = NULL; |
73974893 ML |
16907 | if (state) |
16908 | state->acquire_ctx = &ctx; | |
043e9bda | 16909 | |
ea49c9ac ML |
16910 | /* |
16911 | * This is a cludge because with real atomic modeset mode_config.mutex | |
16912 | * won't be taken. Unfortunately some probed state like | |
16913 | * audio_codec_enable is still protected by mode_config.mutex, so lock | |
16914 | * it here for now. | |
16915 | */ | |
16916 | mutex_lock(&dev->mode_config.mutex); | |
e2c8b870 | 16917 | drm_modeset_acquire_init(&ctx, 0); |
043e9bda | 16918 | |
73974893 ML |
16919 | while (1) { |
16920 | ret = drm_modeset_lock_all_ctx(dev, &ctx); | |
16921 | if (ret != -EDEADLK) | |
16922 | break; | |
043e9bda | 16923 | |
e2c8b870 | 16924 | drm_modeset_backoff(&ctx); |
e2c8b870 | 16925 | } |
043e9bda | 16926 | |
73974893 ML |
16927 | if (!ret) |
16928 | ret = __intel_display_resume(dev, state); | |
16929 | ||
e2c8b870 ML |
16930 | drm_modeset_drop_locks(&ctx); |
16931 | drm_modeset_acquire_fini(&ctx); | |
ea49c9ac | 16932 | mutex_unlock(&dev->mode_config.mutex); |
043e9bda | 16933 | |
e2c8b870 ML |
16934 | if (ret) { |
16935 | DRM_ERROR("Restoring old state failed with %i\n", ret); | |
16936 | drm_atomic_state_free(state); | |
16937 | } | |
2c7111db CW |
16938 | } |
16939 | ||
16940 | void intel_modeset_gem_init(struct drm_device *dev) | |
16941 | { | |
dc97997a | 16942 | struct drm_i915_private *dev_priv = to_i915(dev); |
484b41dd | 16943 | struct drm_crtc *c; |
2ff8fde1 | 16944 | struct drm_i915_gem_object *obj; |
484b41dd | 16945 | |
dc97997a | 16946 | intel_init_gt_powersave(dev_priv); |
ae48434c | 16947 | |
1833b134 | 16948 | intel_modeset_init_hw(dev); |
02e792fb | 16949 | |
1ee8da6d | 16950 | intel_setup_overlay(dev_priv); |
484b41dd JB |
16951 | |
16952 | /* | |
16953 | * Make sure any fbs we allocated at startup are properly | |
16954 | * pinned & fenced. When we do the allocation it's too early | |
16955 | * for this. | |
16956 | */ | |
70e1e0ec | 16957 | for_each_crtc(dev, c) { |
058d88c4 CW |
16958 | struct i915_vma *vma; |
16959 | ||
2ff8fde1 MR |
16960 | obj = intel_fb_obj(c->primary->fb); |
16961 | if (obj == NULL) | |
484b41dd JB |
16962 | continue; |
16963 | ||
e0d6149b | 16964 | mutex_lock(&dev->struct_mutex); |
058d88c4 | 16965 | vma = intel_pin_and_fence_fb_obj(c->primary->fb, |
3465c580 | 16966 | c->primary->state->rotation); |
e0d6149b | 16967 | mutex_unlock(&dev->struct_mutex); |
058d88c4 | 16968 | if (IS_ERR(vma)) { |
484b41dd JB |
16969 | DRM_ERROR("failed to pin boot fb on pipe %d\n", |
16970 | to_intel_crtc(c)->pipe); | |
66e514c1 | 16971 | drm_framebuffer_unreference(c->primary->fb); |
5a21b665 | 16972 | c->primary->fb = NULL; |
36750f28 | 16973 | c->primary->crtc = c->primary->state->crtc = NULL; |
5a21b665 | 16974 | update_state_fb(c->primary); |
36750f28 | 16975 | c->state->plane_mask &= ~(1 << drm_plane_index(c->primary)); |
484b41dd JB |
16976 | } |
16977 | } | |
1ebaa0b9 CW |
16978 | } |
16979 | ||
16980 | int intel_connector_register(struct drm_connector *connector) | |
16981 | { | |
16982 | struct intel_connector *intel_connector = to_intel_connector(connector); | |
16983 | int ret; | |
16984 | ||
16985 | ret = intel_backlight_device_register(intel_connector); | |
16986 | if (ret) | |
16987 | goto err; | |
16988 | ||
16989 | return 0; | |
0962c3c9 | 16990 | |
1ebaa0b9 CW |
16991 | err: |
16992 | return ret; | |
79e53945 JB |
16993 | } |
16994 | ||
c191eca1 | 16995 | void intel_connector_unregister(struct drm_connector *connector) |
4932e2c3 | 16996 | { |
e63d87c0 | 16997 | struct intel_connector *intel_connector = to_intel_connector(connector); |
4932e2c3 | 16998 | |
e63d87c0 | 16999 | intel_backlight_device_unregister(intel_connector); |
4932e2c3 | 17000 | intel_panel_destroy_backlight(connector); |
4932e2c3 ID |
17001 | } |
17002 | ||
79e53945 JB |
17003 | void intel_modeset_cleanup(struct drm_device *dev) |
17004 | { | |
fac5e23e | 17005 | struct drm_i915_private *dev_priv = to_i915(dev); |
652c393a | 17006 | |
dc97997a | 17007 | intel_disable_gt_powersave(dev_priv); |
2eb5252e | 17008 | |
fd0c0642 DV |
17009 | /* |
17010 | * Interrupts and polling as the first thing to avoid creating havoc. | |
2eb5252e | 17011 | * Too much stuff here (turning of connectors, ...) would |
fd0c0642 DV |
17012 | * experience fancy races otherwise. |
17013 | */ | |
2aeb7d3a | 17014 | intel_irq_uninstall(dev_priv); |
eb21b92b | 17015 | |
fd0c0642 DV |
17016 | /* |
17017 | * Due to the hpd irq storm handling the hotplug work can re-arm the | |
17018 | * poll handlers. Hence disable polling after hpd handling is shut down. | |
17019 | */ | |
f87ea761 | 17020 | drm_kms_helper_poll_fini(dev); |
fd0c0642 | 17021 | |
723bfd70 JB |
17022 | intel_unregister_dsm_handler(); |
17023 | ||
c937ab3e | 17024 | intel_fbc_global_disable(dev_priv); |
69341a5e | 17025 | |
1630fe75 CW |
17026 | /* flush any delayed tasks or pending work */ |
17027 | flush_scheduled_work(); | |
17028 | ||
79e53945 | 17029 | drm_mode_config_cleanup(dev); |
4d7bb011 | 17030 | |
1ee8da6d | 17031 | intel_cleanup_overlay(dev_priv); |
ae48434c | 17032 | |
dc97997a | 17033 | intel_cleanup_gt_powersave(dev_priv); |
f5949141 DV |
17034 | |
17035 | intel_teardown_gmbus(dev); | |
79e53945 JB |
17036 | } |
17037 | ||
df0e9248 CW |
17038 | void intel_connector_attach_encoder(struct intel_connector *connector, |
17039 | struct intel_encoder *encoder) | |
17040 | { | |
17041 | connector->encoder = encoder; | |
17042 | drm_mode_connector_attach_encoder(&connector->base, | |
17043 | &encoder->base); | |
79e53945 | 17044 | } |
28d52043 DA |
17045 | |
17046 | /* | |
17047 | * set vga decode state - true == enable VGA decode | |
17048 | */ | |
17049 | int intel_modeset_vga_set_state(struct drm_device *dev, bool state) | |
17050 | { | |
fac5e23e | 17051 | struct drm_i915_private *dev_priv = to_i915(dev); |
a885b3cc | 17052 | unsigned reg = INTEL_INFO(dev)->gen >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL; |
28d52043 DA |
17053 | u16 gmch_ctrl; |
17054 | ||
75fa041d CW |
17055 | if (pci_read_config_word(dev_priv->bridge_dev, reg, &gmch_ctrl)) { |
17056 | DRM_ERROR("failed to read control word\n"); | |
17057 | return -EIO; | |
17058 | } | |
17059 | ||
c0cc8a55 CW |
17060 | if (!!(gmch_ctrl & INTEL_GMCH_VGA_DISABLE) == !state) |
17061 | return 0; | |
17062 | ||
28d52043 DA |
17063 | if (state) |
17064 | gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE; | |
17065 | else | |
17066 | gmch_ctrl |= INTEL_GMCH_VGA_DISABLE; | |
75fa041d CW |
17067 | |
17068 | if (pci_write_config_word(dev_priv->bridge_dev, reg, gmch_ctrl)) { | |
17069 | DRM_ERROR("failed to write control word\n"); | |
17070 | return -EIO; | |
17071 | } | |
17072 | ||
28d52043 DA |
17073 | return 0; |
17074 | } | |
c4a1d9e4 | 17075 | |
c4a1d9e4 | 17076 | struct intel_display_error_state { |
ff57f1b0 PZ |
17077 | |
17078 | u32 power_well_driver; | |
17079 | ||
63b66e5b CW |
17080 | int num_transcoders; |
17081 | ||
c4a1d9e4 CW |
17082 | struct intel_cursor_error_state { |
17083 | u32 control; | |
17084 | u32 position; | |
17085 | u32 base; | |
17086 | u32 size; | |
52331309 | 17087 | } cursor[I915_MAX_PIPES]; |
c4a1d9e4 CW |
17088 | |
17089 | struct intel_pipe_error_state { | |
ddf9c536 | 17090 | bool power_domain_on; |
c4a1d9e4 | 17091 | u32 source; |
f301b1e1 | 17092 | u32 stat; |
52331309 | 17093 | } pipe[I915_MAX_PIPES]; |
c4a1d9e4 CW |
17094 | |
17095 | struct intel_plane_error_state { | |
17096 | u32 control; | |
17097 | u32 stride; | |
17098 | u32 size; | |
17099 | u32 pos; | |
17100 | u32 addr; | |
17101 | u32 surface; | |
17102 | u32 tile_offset; | |
52331309 | 17103 | } plane[I915_MAX_PIPES]; |
63b66e5b CW |
17104 | |
17105 | struct intel_transcoder_error_state { | |
ddf9c536 | 17106 | bool power_domain_on; |
63b66e5b CW |
17107 | enum transcoder cpu_transcoder; |
17108 | ||
17109 | u32 conf; | |
17110 | ||
17111 | u32 htotal; | |
17112 | u32 hblank; | |
17113 | u32 hsync; | |
17114 | u32 vtotal; | |
17115 | u32 vblank; | |
17116 | u32 vsync; | |
17117 | } transcoder[4]; | |
c4a1d9e4 CW |
17118 | }; |
17119 | ||
17120 | struct intel_display_error_state * | |
c033666a | 17121 | intel_display_capture_error_state(struct drm_i915_private *dev_priv) |
c4a1d9e4 | 17122 | { |
c4a1d9e4 | 17123 | struct intel_display_error_state *error; |
63b66e5b CW |
17124 | int transcoders[] = { |
17125 | TRANSCODER_A, | |
17126 | TRANSCODER_B, | |
17127 | TRANSCODER_C, | |
17128 | TRANSCODER_EDP, | |
17129 | }; | |
c4a1d9e4 CW |
17130 | int i; |
17131 | ||
c033666a | 17132 | if (INTEL_INFO(dev_priv)->num_pipes == 0) |
63b66e5b CW |
17133 | return NULL; |
17134 | ||
9d1cb914 | 17135 | error = kzalloc(sizeof(*error), GFP_ATOMIC); |
c4a1d9e4 CW |
17136 | if (error == NULL) |
17137 | return NULL; | |
17138 | ||
c033666a | 17139 | if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) |
ff57f1b0 PZ |
17140 | error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER); |
17141 | ||
055e393f | 17142 | for_each_pipe(dev_priv, i) { |
ddf9c536 | 17143 | error->pipe[i].power_domain_on = |
f458ebbc DV |
17144 | __intel_display_power_is_enabled(dev_priv, |
17145 | POWER_DOMAIN_PIPE(i)); | |
ddf9c536 | 17146 | if (!error->pipe[i].power_domain_on) |
9d1cb914 PZ |
17147 | continue; |
17148 | ||
5efb3e28 VS |
17149 | error->cursor[i].control = I915_READ(CURCNTR(i)); |
17150 | error->cursor[i].position = I915_READ(CURPOS(i)); | |
17151 | error->cursor[i].base = I915_READ(CURBASE(i)); | |
c4a1d9e4 CW |
17152 | |
17153 | error->plane[i].control = I915_READ(DSPCNTR(i)); | |
17154 | error->plane[i].stride = I915_READ(DSPSTRIDE(i)); | |
c033666a | 17155 | if (INTEL_GEN(dev_priv) <= 3) { |
51889b35 | 17156 | error->plane[i].size = I915_READ(DSPSIZE(i)); |
80ca378b PZ |
17157 | error->plane[i].pos = I915_READ(DSPPOS(i)); |
17158 | } | |
c033666a | 17159 | if (INTEL_GEN(dev_priv) <= 7 && !IS_HASWELL(dev_priv)) |
ca291363 | 17160 | error->plane[i].addr = I915_READ(DSPADDR(i)); |
c033666a | 17161 | if (INTEL_GEN(dev_priv) >= 4) { |
c4a1d9e4 CW |
17162 | error->plane[i].surface = I915_READ(DSPSURF(i)); |
17163 | error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i)); | |
17164 | } | |
17165 | ||
c4a1d9e4 | 17166 | error->pipe[i].source = I915_READ(PIPESRC(i)); |
f301b1e1 | 17167 | |
c033666a | 17168 | if (HAS_GMCH_DISPLAY(dev_priv)) |
f301b1e1 | 17169 | error->pipe[i].stat = I915_READ(PIPESTAT(i)); |
63b66e5b CW |
17170 | } |
17171 | ||
4d1de975 | 17172 | /* Note: this does not include DSI transcoders. */ |
c033666a | 17173 | error->num_transcoders = INTEL_INFO(dev_priv)->num_pipes; |
2d1fe073 | 17174 | if (HAS_DDI(dev_priv)) |
63b66e5b CW |
17175 | error->num_transcoders++; /* Account for eDP. */ |
17176 | ||
17177 | for (i = 0; i < error->num_transcoders; i++) { | |
17178 | enum transcoder cpu_transcoder = transcoders[i]; | |
17179 | ||
ddf9c536 | 17180 | error->transcoder[i].power_domain_on = |
f458ebbc | 17181 | __intel_display_power_is_enabled(dev_priv, |
38cc1daf | 17182 | POWER_DOMAIN_TRANSCODER(cpu_transcoder)); |
ddf9c536 | 17183 | if (!error->transcoder[i].power_domain_on) |
9d1cb914 PZ |
17184 | continue; |
17185 | ||
63b66e5b CW |
17186 | error->transcoder[i].cpu_transcoder = cpu_transcoder; |
17187 | ||
17188 | error->transcoder[i].conf = I915_READ(PIPECONF(cpu_transcoder)); | |
17189 | error->transcoder[i].htotal = I915_READ(HTOTAL(cpu_transcoder)); | |
17190 | error->transcoder[i].hblank = I915_READ(HBLANK(cpu_transcoder)); | |
17191 | error->transcoder[i].hsync = I915_READ(HSYNC(cpu_transcoder)); | |
17192 | error->transcoder[i].vtotal = I915_READ(VTOTAL(cpu_transcoder)); | |
17193 | error->transcoder[i].vblank = I915_READ(VBLANK(cpu_transcoder)); | |
17194 | error->transcoder[i].vsync = I915_READ(VSYNC(cpu_transcoder)); | |
c4a1d9e4 CW |
17195 | } |
17196 | ||
17197 | return error; | |
17198 | } | |
17199 | ||
edc3d884 MK |
17200 | #define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__) |
17201 | ||
c4a1d9e4 | 17202 | void |
edc3d884 | 17203 | intel_display_print_error_state(struct drm_i915_error_state_buf *m, |
c4a1d9e4 CW |
17204 | struct drm_device *dev, |
17205 | struct intel_display_error_state *error) | |
17206 | { | |
fac5e23e | 17207 | struct drm_i915_private *dev_priv = to_i915(dev); |
c4a1d9e4 CW |
17208 | int i; |
17209 | ||
63b66e5b CW |
17210 | if (!error) |
17211 | return; | |
17212 | ||
edc3d884 | 17213 | err_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes); |
190be112 | 17214 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
edc3d884 | 17215 | err_printf(m, "PWR_WELL_CTL2: %08x\n", |
ff57f1b0 | 17216 | error->power_well_driver); |
055e393f | 17217 | for_each_pipe(dev_priv, i) { |
edc3d884 | 17218 | err_printf(m, "Pipe [%d]:\n", i); |
ddf9c536 | 17219 | err_printf(m, " Power: %s\n", |
87ad3212 | 17220 | onoff(error->pipe[i].power_domain_on)); |
edc3d884 | 17221 | err_printf(m, " SRC: %08x\n", error->pipe[i].source); |
f301b1e1 | 17222 | err_printf(m, " STAT: %08x\n", error->pipe[i].stat); |
edc3d884 MK |
17223 | |
17224 | err_printf(m, "Plane [%d]:\n", i); | |
17225 | err_printf(m, " CNTR: %08x\n", error->plane[i].control); | |
17226 | err_printf(m, " STRIDE: %08x\n", error->plane[i].stride); | |
80ca378b | 17227 | if (INTEL_INFO(dev)->gen <= 3) { |
edc3d884 MK |
17228 | err_printf(m, " SIZE: %08x\n", error->plane[i].size); |
17229 | err_printf(m, " POS: %08x\n", error->plane[i].pos); | |
80ca378b | 17230 | } |
4b71a570 | 17231 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
edc3d884 | 17232 | err_printf(m, " ADDR: %08x\n", error->plane[i].addr); |
c4a1d9e4 | 17233 | if (INTEL_INFO(dev)->gen >= 4) { |
edc3d884 MK |
17234 | err_printf(m, " SURF: %08x\n", error->plane[i].surface); |
17235 | err_printf(m, " TILEOFF: %08x\n", error->plane[i].tile_offset); | |
c4a1d9e4 CW |
17236 | } |
17237 | ||
edc3d884 MK |
17238 | err_printf(m, "Cursor [%d]:\n", i); |
17239 | err_printf(m, " CNTR: %08x\n", error->cursor[i].control); | |
17240 | err_printf(m, " POS: %08x\n", error->cursor[i].position); | |
17241 | err_printf(m, " BASE: %08x\n", error->cursor[i].base); | |
c4a1d9e4 | 17242 | } |
63b66e5b CW |
17243 | |
17244 | for (i = 0; i < error->num_transcoders; i++) { | |
da205630 | 17245 | err_printf(m, "CPU transcoder: %s\n", |
63b66e5b | 17246 | transcoder_name(error->transcoder[i].cpu_transcoder)); |
ddf9c536 | 17247 | err_printf(m, " Power: %s\n", |
87ad3212 | 17248 | onoff(error->transcoder[i].power_domain_on)); |
63b66e5b CW |
17249 | err_printf(m, " CONF: %08x\n", error->transcoder[i].conf); |
17250 | err_printf(m, " HTOTAL: %08x\n", error->transcoder[i].htotal); | |
17251 | err_printf(m, " HBLANK: %08x\n", error->transcoder[i].hblank); | |
17252 | err_printf(m, " HSYNC: %08x\n", error->transcoder[i].hsync); | |
17253 | err_printf(m, " VTOTAL: %08x\n", error->transcoder[i].vtotal); | |
17254 | err_printf(m, " VBLANK: %08x\n", error->transcoder[i].vblank); | |
17255 | err_printf(m, " VSYNC: %08x\n", error->transcoder[i].vsync); | |
17256 | } | |
c4a1d9e4 | 17257 | } |