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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" |
760285e7 | 37 | #include <drm/i915_drm.h> |
79e53945 | 38 | #include "i915_drv.h" |
e5510fac | 39 | #include "i915_trace.h" |
319c1d42 | 40 | #include <drm/drm_atomic.h> |
c196e1d6 | 41 | #include <drm/drm_atomic_helper.h> |
760285e7 DH |
42 | #include <drm/drm_dp_helper.h> |
43 | #include <drm/drm_crtc_helper.h> | |
465c120c MR |
44 | #include <drm/drm_plane_helper.h> |
45 | #include <drm/drm_rect.h> | |
c0f372b3 | 46 | #include <linux/dma_remapping.h> |
79e53945 | 47 | |
465c120c | 48 | /* Primary plane formats for gen <= 3 */ |
568db4f2 | 49 | static const uint32_t i8xx_primary_formats[] = { |
67fe7dc5 DL |
50 | DRM_FORMAT_C8, |
51 | DRM_FORMAT_RGB565, | |
465c120c | 52 | DRM_FORMAT_XRGB1555, |
67fe7dc5 | 53 | DRM_FORMAT_XRGB8888, |
465c120c MR |
54 | }; |
55 | ||
56 | /* Primary plane formats for gen >= 4 */ | |
568db4f2 | 57 | static const uint32_t i965_primary_formats[] = { |
6c0fd451 DL |
58 | DRM_FORMAT_C8, |
59 | DRM_FORMAT_RGB565, | |
60 | DRM_FORMAT_XRGB8888, | |
61 | DRM_FORMAT_XBGR8888, | |
62 | DRM_FORMAT_XRGB2101010, | |
63 | DRM_FORMAT_XBGR2101010, | |
64 | }; | |
65 | ||
66 | static const uint32_t skl_primary_formats[] = { | |
67fe7dc5 DL |
67 | DRM_FORMAT_C8, |
68 | DRM_FORMAT_RGB565, | |
69 | DRM_FORMAT_XRGB8888, | |
465c120c | 70 | DRM_FORMAT_XBGR8888, |
67fe7dc5 | 71 | DRM_FORMAT_ARGB8888, |
465c120c MR |
72 | DRM_FORMAT_ABGR8888, |
73 | DRM_FORMAT_XRGB2101010, | |
465c120c | 74 | DRM_FORMAT_XBGR2101010, |
465c120c MR |
75 | }; |
76 | ||
3d7d6510 MR |
77 | /* Cursor formats */ |
78 | static const uint32_t intel_cursor_formats[] = { | |
79 | DRM_FORMAT_ARGB8888, | |
80 | }; | |
81 | ||
6b383a7f | 82 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on); |
79e53945 | 83 | |
f1f644dc | 84 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 85 | struct intel_crtc_state *pipe_config); |
18442d08 | 86 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
5cec258b | 87 | struct intel_crtc_state *pipe_config); |
f1f644dc | 88 | |
568c634a | 89 | static int intel_set_mode(struct drm_atomic_state *state); |
eb1bfe80 JB |
90 | static int intel_framebuffer_init(struct drm_device *dev, |
91 | struct intel_framebuffer *ifb, | |
92 | struct drm_mode_fb_cmd2 *mode_cmd, | |
93 | struct drm_i915_gem_object *obj); | |
5b18e57c DV |
94 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc); |
95 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc); | |
29407aab | 96 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, |
f769cd24 VK |
97 | struct intel_link_m_n *m_n, |
98 | struct intel_link_m_n *m2_n2); | |
29407aab | 99 | static void ironlake_set_pipeconf(struct drm_crtc *crtc); |
229fca97 DV |
100 | static void haswell_set_pipeconf(struct drm_crtc *crtc); |
101 | static void intel_set_pipe_csc(struct drm_crtc *crtc); | |
d288f65f | 102 | static void vlv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 103 | const struct intel_crtc_state *pipe_config); |
d288f65f | 104 | static void chv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 105 | const struct intel_crtc_state *pipe_config); |
ea2c67bb MR |
106 | static void intel_begin_crtc_commit(struct drm_crtc *crtc); |
107 | static void intel_finish_crtc_commit(struct drm_crtc *crtc); | |
549e2bfb CK |
108 | static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_crtc, |
109 | struct intel_crtc_state *crtc_state); | |
5ab7b0b7 ID |
110 | static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state, |
111 | int num_connectors); | |
e7457a9a | 112 | |
0e32b39c DA |
113 | static struct intel_encoder *intel_find_encoder(struct intel_connector *connector, int pipe) |
114 | { | |
115 | if (!connector->mst_port) | |
116 | return connector->encoder; | |
117 | else | |
118 | return &connector->mst_port->mst_encoders[pipe]->base; | |
119 | } | |
120 | ||
79e53945 | 121 | typedef struct { |
0206e353 | 122 | int min, max; |
79e53945 JB |
123 | } intel_range_t; |
124 | ||
125 | typedef struct { | |
0206e353 AJ |
126 | int dot_limit; |
127 | int p2_slow, p2_fast; | |
79e53945 JB |
128 | } intel_p2_t; |
129 | ||
d4906093 ML |
130 | typedef struct intel_limit intel_limit_t; |
131 | struct intel_limit { | |
0206e353 AJ |
132 | intel_range_t dot, vco, n, m, m1, m2, p, p1; |
133 | intel_p2_t p2; | |
d4906093 | 134 | }; |
79e53945 | 135 | |
d2acd215 DV |
136 | int |
137 | intel_pch_rawclk(struct drm_device *dev) | |
138 | { | |
139 | struct drm_i915_private *dev_priv = dev->dev_private; | |
140 | ||
141 | WARN_ON(!HAS_PCH_SPLIT(dev)); | |
142 | ||
143 | return I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK; | |
144 | } | |
145 | ||
021357ac CW |
146 | static inline u32 /* units of 100MHz */ |
147 | intel_fdi_link_freq(struct drm_device *dev) | |
148 | { | |
8b99e68c CW |
149 | if (IS_GEN5(dev)) { |
150 | struct drm_i915_private *dev_priv = dev->dev_private; | |
151 | return (I915_READ(FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK) + 2; | |
152 | } else | |
153 | return 27; | |
021357ac CW |
154 | } |
155 | ||
5d536e28 | 156 | static const intel_limit_t intel_limits_i8xx_dac = { |
0206e353 | 157 | .dot = { .min = 25000, .max = 350000 }, |
9c333719 | 158 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 159 | .n = { .min = 2, .max = 16 }, |
0206e353 AJ |
160 | .m = { .min = 96, .max = 140 }, |
161 | .m1 = { .min = 18, .max = 26 }, | |
162 | .m2 = { .min = 6, .max = 16 }, | |
163 | .p = { .min = 4, .max = 128 }, | |
164 | .p1 = { .min = 2, .max = 33 }, | |
273e27ca EA |
165 | .p2 = { .dot_limit = 165000, |
166 | .p2_slow = 4, .p2_fast = 2 }, | |
e4b36699 KP |
167 | }; |
168 | ||
5d536e28 DV |
169 | static const intel_limit_t intel_limits_i8xx_dvo = { |
170 | .dot = { .min = 25000, .max = 350000 }, | |
9c333719 | 171 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 172 | .n = { .min = 2, .max = 16 }, |
5d536e28 DV |
173 | .m = { .min = 96, .max = 140 }, |
174 | .m1 = { .min = 18, .max = 26 }, | |
175 | .m2 = { .min = 6, .max = 16 }, | |
176 | .p = { .min = 4, .max = 128 }, | |
177 | .p1 = { .min = 2, .max = 33 }, | |
178 | .p2 = { .dot_limit = 165000, | |
179 | .p2_slow = 4, .p2_fast = 4 }, | |
180 | }; | |
181 | ||
e4b36699 | 182 | static const intel_limit_t intel_limits_i8xx_lvds = { |
0206e353 | 183 | .dot = { .min = 25000, .max = 350000 }, |
9c333719 | 184 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 185 | .n = { .min = 2, .max = 16 }, |
0206e353 AJ |
186 | .m = { .min = 96, .max = 140 }, |
187 | .m1 = { .min = 18, .max = 26 }, | |
188 | .m2 = { .min = 6, .max = 16 }, | |
189 | .p = { .min = 4, .max = 128 }, | |
190 | .p1 = { .min = 1, .max = 6 }, | |
273e27ca EA |
191 | .p2 = { .dot_limit = 165000, |
192 | .p2_slow = 14, .p2_fast = 7 }, | |
e4b36699 | 193 | }; |
273e27ca | 194 | |
e4b36699 | 195 | static const intel_limit_t intel_limits_i9xx_sdvo = { |
0206e353 AJ |
196 | .dot = { .min = 20000, .max = 400000 }, |
197 | .vco = { .min = 1400000, .max = 2800000 }, | |
198 | .n = { .min = 1, .max = 6 }, | |
199 | .m = { .min = 70, .max = 120 }, | |
4f7dfb67 PJ |
200 | .m1 = { .min = 8, .max = 18 }, |
201 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
202 | .p = { .min = 5, .max = 80 }, |
203 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
204 | .p2 = { .dot_limit = 200000, |
205 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
206 | }; |
207 | ||
208 | static const intel_limit_t intel_limits_i9xx_lvds = { | |
0206e353 AJ |
209 | .dot = { .min = 20000, .max = 400000 }, |
210 | .vco = { .min = 1400000, .max = 2800000 }, | |
211 | .n = { .min = 1, .max = 6 }, | |
212 | .m = { .min = 70, .max = 120 }, | |
53a7d2d1 PJ |
213 | .m1 = { .min = 8, .max = 18 }, |
214 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
215 | .p = { .min = 7, .max = 98 }, |
216 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
217 | .p2 = { .dot_limit = 112000, |
218 | .p2_slow = 14, .p2_fast = 7 }, | |
e4b36699 KP |
219 | }; |
220 | ||
273e27ca | 221 | |
e4b36699 | 222 | static const intel_limit_t intel_limits_g4x_sdvo = { |
273e27ca EA |
223 | .dot = { .min = 25000, .max = 270000 }, |
224 | .vco = { .min = 1750000, .max = 3500000}, | |
225 | .n = { .min = 1, .max = 4 }, | |
226 | .m = { .min = 104, .max = 138 }, | |
227 | .m1 = { .min = 17, .max = 23 }, | |
228 | .m2 = { .min = 5, .max = 11 }, | |
229 | .p = { .min = 10, .max = 30 }, | |
230 | .p1 = { .min = 1, .max = 3}, | |
231 | .p2 = { .dot_limit = 270000, | |
232 | .p2_slow = 10, | |
233 | .p2_fast = 10 | |
044c7c41 | 234 | }, |
e4b36699 KP |
235 | }; |
236 | ||
237 | static const intel_limit_t intel_limits_g4x_hdmi = { | |
273e27ca EA |
238 | .dot = { .min = 22000, .max = 400000 }, |
239 | .vco = { .min = 1750000, .max = 3500000}, | |
240 | .n = { .min = 1, .max = 4 }, | |
241 | .m = { .min = 104, .max = 138 }, | |
242 | .m1 = { .min = 16, .max = 23 }, | |
243 | .m2 = { .min = 5, .max = 11 }, | |
244 | .p = { .min = 5, .max = 80 }, | |
245 | .p1 = { .min = 1, .max = 8}, | |
246 | .p2 = { .dot_limit = 165000, | |
247 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
248 | }; |
249 | ||
250 | static const intel_limit_t intel_limits_g4x_single_channel_lvds = { | |
273e27ca EA |
251 | .dot = { .min = 20000, .max = 115000 }, |
252 | .vco = { .min = 1750000, .max = 3500000 }, | |
253 | .n = { .min = 1, .max = 3 }, | |
254 | .m = { .min = 104, .max = 138 }, | |
255 | .m1 = { .min = 17, .max = 23 }, | |
256 | .m2 = { .min = 5, .max = 11 }, | |
257 | .p = { .min = 28, .max = 112 }, | |
258 | .p1 = { .min = 2, .max = 8 }, | |
259 | .p2 = { .dot_limit = 0, | |
260 | .p2_slow = 14, .p2_fast = 14 | |
044c7c41 | 261 | }, |
e4b36699 KP |
262 | }; |
263 | ||
264 | static const intel_limit_t intel_limits_g4x_dual_channel_lvds = { | |
273e27ca EA |
265 | .dot = { .min = 80000, .max = 224000 }, |
266 | .vco = { .min = 1750000, .max = 3500000 }, | |
267 | .n = { .min = 1, .max = 3 }, | |
268 | .m = { .min = 104, .max = 138 }, | |
269 | .m1 = { .min = 17, .max = 23 }, | |
270 | .m2 = { .min = 5, .max = 11 }, | |
271 | .p = { .min = 14, .max = 42 }, | |
272 | .p1 = { .min = 2, .max = 6 }, | |
273 | .p2 = { .dot_limit = 0, | |
274 | .p2_slow = 7, .p2_fast = 7 | |
044c7c41 | 275 | }, |
e4b36699 KP |
276 | }; |
277 | ||
f2b115e6 | 278 | static const intel_limit_t intel_limits_pineview_sdvo = { |
0206e353 AJ |
279 | .dot = { .min = 20000, .max = 400000}, |
280 | .vco = { .min = 1700000, .max = 3500000 }, | |
273e27ca | 281 | /* Pineview's Ncounter is a ring counter */ |
0206e353 AJ |
282 | .n = { .min = 3, .max = 6 }, |
283 | .m = { .min = 2, .max = 256 }, | |
273e27ca | 284 | /* Pineview only has one combined m divider, which we treat as m2. */ |
0206e353 AJ |
285 | .m1 = { .min = 0, .max = 0 }, |
286 | .m2 = { .min = 0, .max = 254 }, | |
287 | .p = { .min = 5, .max = 80 }, | |
288 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
289 | .p2 = { .dot_limit = 200000, |
290 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
291 | }; |
292 | ||
f2b115e6 | 293 | static const intel_limit_t intel_limits_pineview_lvds = { |
0206e353 AJ |
294 | .dot = { .min = 20000, .max = 400000 }, |
295 | .vco = { .min = 1700000, .max = 3500000 }, | |
296 | .n = { .min = 3, .max = 6 }, | |
297 | .m = { .min = 2, .max = 256 }, | |
298 | .m1 = { .min = 0, .max = 0 }, | |
299 | .m2 = { .min = 0, .max = 254 }, | |
300 | .p = { .min = 7, .max = 112 }, | |
301 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
302 | .p2 = { .dot_limit = 112000, |
303 | .p2_slow = 14, .p2_fast = 14 }, | |
e4b36699 KP |
304 | }; |
305 | ||
273e27ca EA |
306 | /* Ironlake / Sandybridge |
307 | * | |
308 | * We calculate clock using (register_value + 2) for N/M1/M2, so here | |
309 | * the range value for them is (actual_value - 2). | |
310 | */ | |
b91ad0ec | 311 | static const intel_limit_t intel_limits_ironlake_dac = { |
273e27ca EA |
312 | .dot = { .min = 25000, .max = 350000 }, |
313 | .vco = { .min = 1760000, .max = 3510000 }, | |
314 | .n = { .min = 1, .max = 5 }, | |
315 | .m = { .min = 79, .max = 127 }, | |
316 | .m1 = { .min = 12, .max = 22 }, | |
317 | .m2 = { .min = 5, .max = 9 }, | |
318 | .p = { .min = 5, .max = 80 }, | |
319 | .p1 = { .min = 1, .max = 8 }, | |
320 | .p2 = { .dot_limit = 225000, | |
321 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
322 | }; |
323 | ||
b91ad0ec | 324 | static const intel_limit_t intel_limits_ironlake_single_lvds = { |
273e27ca EA |
325 | .dot = { .min = 25000, .max = 350000 }, |
326 | .vco = { .min = 1760000, .max = 3510000 }, | |
327 | .n = { .min = 1, .max = 3 }, | |
328 | .m = { .min = 79, .max = 118 }, | |
329 | .m1 = { .min = 12, .max = 22 }, | |
330 | .m2 = { .min = 5, .max = 9 }, | |
331 | .p = { .min = 28, .max = 112 }, | |
332 | .p1 = { .min = 2, .max = 8 }, | |
333 | .p2 = { .dot_limit = 225000, | |
334 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
335 | }; |
336 | ||
337 | static const intel_limit_t intel_limits_ironlake_dual_lvds = { | |
273e27ca EA |
338 | .dot = { .min = 25000, .max = 350000 }, |
339 | .vco = { .min = 1760000, .max = 3510000 }, | |
340 | .n = { .min = 1, .max = 3 }, | |
341 | .m = { .min = 79, .max = 127 }, | |
342 | .m1 = { .min = 12, .max = 22 }, | |
343 | .m2 = { .min = 5, .max = 9 }, | |
344 | .p = { .min = 14, .max = 56 }, | |
345 | .p1 = { .min = 2, .max = 8 }, | |
346 | .p2 = { .dot_limit = 225000, | |
347 | .p2_slow = 7, .p2_fast = 7 }, | |
b91ad0ec ZW |
348 | }; |
349 | ||
273e27ca | 350 | /* LVDS 100mhz refclk limits. */ |
b91ad0ec | 351 | static const intel_limit_t intel_limits_ironlake_single_lvds_100m = { |
273e27ca EA |
352 | .dot = { .min = 25000, .max = 350000 }, |
353 | .vco = { .min = 1760000, .max = 3510000 }, | |
354 | .n = { .min = 1, .max = 2 }, | |
355 | .m = { .min = 79, .max = 126 }, | |
356 | .m1 = { .min = 12, .max = 22 }, | |
357 | .m2 = { .min = 5, .max = 9 }, | |
358 | .p = { .min = 28, .max = 112 }, | |
0206e353 | 359 | .p1 = { .min = 2, .max = 8 }, |
273e27ca EA |
360 | .p2 = { .dot_limit = 225000, |
361 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
362 | }; |
363 | ||
364 | static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = { | |
273e27ca EA |
365 | .dot = { .min = 25000, .max = 350000 }, |
366 | .vco = { .min = 1760000, .max = 3510000 }, | |
367 | .n = { .min = 1, .max = 3 }, | |
368 | .m = { .min = 79, .max = 126 }, | |
369 | .m1 = { .min = 12, .max = 22 }, | |
370 | .m2 = { .min = 5, .max = 9 }, | |
371 | .p = { .min = 14, .max = 42 }, | |
0206e353 | 372 | .p1 = { .min = 2, .max = 6 }, |
273e27ca EA |
373 | .p2 = { .dot_limit = 225000, |
374 | .p2_slow = 7, .p2_fast = 7 }, | |
4547668a ZY |
375 | }; |
376 | ||
dc730512 | 377 | static const intel_limit_t intel_limits_vlv = { |
f01b7962 VS |
378 | /* |
379 | * These are the data rate limits (measured in fast clocks) | |
380 | * since those are the strictest limits we have. The fast | |
381 | * clock and actual rate limits are more relaxed, so checking | |
382 | * them would make no difference. | |
383 | */ | |
384 | .dot = { .min = 25000 * 5, .max = 270000 * 5 }, | |
75e53986 | 385 | .vco = { .min = 4000000, .max = 6000000 }, |
a0c4da24 | 386 | .n = { .min = 1, .max = 7 }, |
a0c4da24 JB |
387 | .m1 = { .min = 2, .max = 3 }, |
388 | .m2 = { .min = 11, .max = 156 }, | |
b99ab663 | 389 | .p1 = { .min = 2, .max = 3 }, |
5fdc9c49 | 390 | .p2 = { .p2_slow = 2, .p2_fast = 20 }, /* slow=min, fast=max */ |
a0c4da24 JB |
391 | }; |
392 | ||
ef9348c8 CML |
393 | static const intel_limit_t intel_limits_chv = { |
394 | /* | |
395 | * These are the data rate limits (measured in fast clocks) | |
396 | * since those are the strictest limits we have. The fast | |
397 | * clock and actual rate limits are more relaxed, so checking | |
398 | * them would make no difference. | |
399 | */ | |
400 | .dot = { .min = 25000 * 5, .max = 540000 * 5}, | |
17fe1021 | 401 | .vco = { .min = 4800000, .max = 6480000 }, |
ef9348c8 CML |
402 | .n = { .min = 1, .max = 1 }, |
403 | .m1 = { .min = 2, .max = 2 }, | |
404 | .m2 = { .min = 24 << 22, .max = 175 << 22 }, | |
405 | .p1 = { .min = 2, .max = 4 }, | |
406 | .p2 = { .p2_slow = 1, .p2_fast = 14 }, | |
407 | }; | |
408 | ||
5ab7b0b7 ID |
409 | static const intel_limit_t intel_limits_bxt = { |
410 | /* FIXME: find real dot limits */ | |
411 | .dot = { .min = 0, .max = INT_MAX }, | |
412 | .vco = { .min = 4800000, .max = 6480000 }, | |
413 | .n = { .min = 1, .max = 1 }, | |
414 | .m1 = { .min = 2, .max = 2 }, | |
415 | /* FIXME: find real m2 limits */ | |
416 | .m2 = { .min = 2 << 22, .max = 255 << 22 }, | |
417 | .p1 = { .min = 2, .max = 4 }, | |
418 | .p2 = { .p2_slow = 1, .p2_fast = 20 }, | |
419 | }; | |
420 | ||
6b4bf1c4 VS |
421 | static void vlv_clock(int refclk, intel_clock_t *clock) |
422 | { | |
423 | clock->m = clock->m1 * clock->m2; | |
424 | clock->p = clock->p1 * clock->p2; | |
ed5ca77e VS |
425 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
426 | return; | |
fb03ac01 VS |
427 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
428 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
6b4bf1c4 VS |
429 | } |
430 | ||
cdba954e ACO |
431 | static bool |
432 | needs_modeset(struct drm_crtc_state *state) | |
433 | { | |
434 | return state->mode_changed || state->active_changed; | |
435 | } | |
436 | ||
e0638cdf PZ |
437 | /** |
438 | * Returns whether any output on the specified pipe is of the specified type | |
439 | */ | |
4093561b | 440 | bool intel_pipe_has_type(struct intel_crtc *crtc, enum intel_output_type type) |
e0638cdf | 441 | { |
409ee761 | 442 | struct drm_device *dev = crtc->base.dev; |
e0638cdf PZ |
443 | struct intel_encoder *encoder; |
444 | ||
409ee761 | 445 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) |
e0638cdf PZ |
446 | if (encoder->type == type) |
447 | return true; | |
448 | ||
449 | return false; | |
450 | } | |
451 | ||
d0737e1d ACO |
452 | /** |
453 | * Returns whether any output on the specified pipe will have the specified | |
454 | * type after a staged modeset is complete, i.e., the same as | |
455 | * intel_pipe_has_type() but looking at encoder->new_crtc instead of | |
456 | * encoder->crtc. | |
457 | */ | |
a93e255f ACO |
458 | static bool intel_pipe_will_have_type(const struct intel_crtc_state *crtc_state, |
459 | int type) | |
d0737e1d | 460 | { |
a93e255f | 461 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 462 | struct drm_connector *connector; |
a93e255f | 463 | struct drm_connector_state *connector_state; |
d0737e1d | 464 | struct intel_encoder *encoder; |
a93e255f ACO |
465 | int i, num_connectors = 0; |
466 | ||
da3ced29 | 467 | for_each_connector_in_state(state, connector, connector_state, i) { |
a93e255f ACO |
468 | if (connector_state->crtc != crtc_state->base.crtc) |
469 | continue; | |
470 | ||
471 | num_connectors++; | |
d0737e1d | 472 | |
a93e255f ACO |
473 | encoder = to_intel_encoder(connector_state->best_encoder); |
474 | if (encoder->type == type) | |
d0737e1d | 475 | return true; |
a93e255f ACO |
476 | } |
477 | ||
478 | WARN_ON(num_connectors == 0); | |
d0737e1d ACO |
479 | |
480 | return false; | |
481 | } | |
482 | ||
a93e255f ACO |
483 | static const intel_limit_t * |
484 | intel_ironlake_limit(struct intel_crtc_state *crtc_state, int refclk) | |
2c07245f | 485 | { |
a93e255f | 486 | struct drm_device *dev = crtc_state->base.crtc->dev; |
2c07245f | 487 | const intel_limit_t *limit; |
b91ad0ec | 488 | |
a93e255f | 489 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
1974cad0 | 490 | if (intel_is_dual_link_lvds(dev)) { |
1b894b59 | 491 | if (refclk == 100000) |
b91ad0ec ZW |
492 | limit = &intel_limits_ironlake_dual_lvds_100m; |
493 | else | |
494 | limit = &intel_limits_ironlake_dual_lvds; | |
495 | } else { | |
1b894b59 | 496 | if (refclk == 100000) |
b91ad0ec ZW |
497 | limit = &intel_limits_ironlake_single_lvds_100m; |
498 | else | |
499 | limit = &intel_limits_ironlake_single_lvds; | |
500 | } | |
c6bb3538 | 501 | } else |
b91ad0ec | 502 | limit = &intel_limits_ironlake_dac; |
2c07245f ZW |
503 | |
504 | return limit; | |
505 | } | |
506 | ||
a93e255f ACO |
507 | static const intel_limit_t * |
508 | intel_g4x_limit(struct intel_crtc_state *crtc_state) | |
044c7c41 | 509 | { |
a93e255f | 510 | struct drm_device *dev = crtc_state->base.crtc->dev; |
044c7c41 ML |
511 | const intel_limit_t *limit; |
512 | ||
a93e255f | 513 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
1974cad0 | 514 | if (intel_is_dual_link_lvds(dev)) |
e4b36699 | 515 | limit = &intel_limits_g4x_dual_channel_lvds; |
044c7c41 | 516 | else |
e4b36699 | 517 | limit = &intel_limits_g4x_single_channel_lvds; |
a93e255f ACO |
518 | } else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_HDMI) || |
519 | intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_ANALOG)) { | |
e4b36699 | 520 | limit = &intel_limits_g4x_hdmi; |
a93e255f | 521 | } else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_SDVO)) { |
e4b36699 | 522 | limit = &intel_limits_g4x_sdvo; |
044c7c41 | 523 | } else /* The option is for other outputs */ |
e4b36699 | 524 | limit = &intel_limits_i9xx_sdvo; |
044c7c41 ML |
525 | |
526 | return limit; | |
527 | } | |
528 | ||
a93e255f ACO |
529 | static const intel_limit_t * |
530 | intel_limit(struct intel_crtc_state *crtc_state, int refclk) | |
79e53945 | 531 | { |
a93e255f | 532 | struct drm_device *dev = crtc_state->base.crtc->dev; |
79e53945 JB |
533 | const intel_limit_t *limit; |
534 | ||
5ab7b0b7 ID |
535 | if (IS_BROXTON(dev)) |
536 | limit = &intel_limits_bxt; | |
537 | else if (HAS_PCH_SPLIT(dev)) | |
a93e255f | 538 | limit = intel_ironlake_limit(crtc_state, refclk); |
2c07245f | 539 | else if (IS_G4X(dev)) { |
a93e255f | 540 | limit = intel_g4x_limit(crtc_state); |
f2b115e6 | 541 | } else if (IS_PINEVIEW(dev)) { |
a93e255f | 542 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
f2b115e6 | 543 | limit = &intel_limits_pineview_lvds; |
2177832f | 544 | else |
f2b115e6 | 545 | limit = &intel_limits_pineview_sdvo; |
ef9348c8 CML |
546 | } else if (IS_CHERRYVIEW(dev)) { |
547 | limit = &intel_limits_chv; | |
a0c4da24 | 548 | } else if (IS_VALLEYVIEW(dev)) { |
dc730512 | 549 | limit = &intel_limits_vlv; |
a6c45cf0 | 550 | } else if (!IS_GEN2(dev)) { |
a93e255f | 551 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
a6c45cf0 CW |
552 | limit = &intel_limits_i9xx_lvds; |
553 | else | |
554 | limit = &intel_limits_i9xx_sdvo; | |
79e53945 | 555 | } else { |
a93e255f | 556 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
e4b36699 | 557 | limit = &intel_limits_i8xx_lvds; |
a93e255f | 558 | else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_DVO)) |
e4b36699 | 559 | limit = &intel_limits_i8xx_dvo; |
5d536e28 DV |
560 | else |
561 | limit = &intel_limits_i8xx_dac; | |
79e53945 JB |
562 | } |
563 | return limit; | |
564 | } | |
565 | ||
f2b115e6 AJ |
566 | /* m1 is reserved as 0 in Pineview, n is a ring counter */ |
567 | static void pineview_clock(int refclk, intel_clock_t *clock) | |
79e53945 | 568 | { |
2177832f SL |
569 | clock->m = clock->m2 + 2; |
570 | clock->p = clock->p1 * clock->p2; | |
ed5ca77e VS |
571 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
572 | return; | |
fb03ac01 VS |
573 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
574 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
2177832f SL |
575 | } |
576 | ||
7429e9d4 DV |
577 | static uint32_t i9xx_dpll_compute_m(struct dpll *dpll) |
578 | { | |
579 | return 5 * (dpll->m1 + 2) + (dpll->m2 + 2); | |
580 | } | |
581 | ||
ac58c3f0 | 582 | static void i9xx_clock(int refclk, intel_clock_t *clock) |
2177832f | 583 | { |
7429e9d4 | 584 | clock->m = i9xx_dpll_compute_m(clock); |
79e53945 | 585 | clock->p = clock->p1 * clock->p2; |
ed5ca77e VS |
586 | if (WARN_ON(clock->n + 2 == 0 || clock->p == 0)) |
587 | return; | |
fb03ac01 VS |
588 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n + 2); |
589 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
79e53945 JB |
590 | } |
591 | ||
ef9348c8 CML |
592 | static void chv_clock(int refclk, intel_clock_t *clock) |
593 | { | |
594 | clock->m = clock->m1 * clock->m2; | |
595 | clock->p = clock->p1 * clock->p2; | |
596 | if (WARN_ON(clock->n == 0 || clock->p == 0)) | |
597 | return; | |
598 | clock->vco = DIV_ROUND_CLOSEST_ULL((uint64_t)refclk * clock->m, | |
599 | clock->n << 22); | |
600 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
601 | } | |
602 | ||
7c04d1d9 | 603 | #define INTELPllInvalid(s) do { /* DRM_DEBUG(s); */ return false; } while (0) |
79e53945 JB |
604 | /** |
605 | * Returns whether the given set of divisors are valid for a given refclk with | |
606 | * the given connectors. | |
607 | */ | |
608 | ||
1b894b59 CW |
609 | static bool intel_PLL_is_valid(struct drm_device *dev, |
610 | const intel_limit_t *limit, | |
611 | const intel_clock_t *clock) | |
79e53945 | 612 | { |
f01b7962 VS |
613 | if (clock->n < limit->n.min || limit->n.max < clock->n) |
614 | INTELPllInvalid("n out of range\n"); | |
79e53945 | 615 | if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1) |
0206e353 | 616 | INTELPllInvalid("p1 out of range\n"); |
79e53945 | 617 | if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2) |
0206e353 | 618 | INTELPllInvalid("m2 out of range\n"); |
79e53945 | 619 | if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1) |
0206e353 | 620 | INTELPllInvalid("m1 out of range\n"); |
f01b7962 | 621 | |
5ab7b0b7 | 622 | if (!IS_PINEVIEW(dev) && !IS_VALLEYVIEW(dev) && !IS_BROXTON(dev)) |
f01b7962 VS |
623 | if (clock->m1 <= clock->m2) |
624 | INTELPllInvalid("m1 <= m2\n"); | |
625 | ||
5ab7b0b7 | 626 | if (!IS_VALLEYVIEW(dev) && !IS_BROXTON(dev)) { |
f01b7962 VS |
627 | if (clock->p < limit->p.min || limit->p.max < clock->p) |
628 | INTELPllInvalid("p out of range\n"); | |
629 | if (clock->m < limit->m.min || limit->m.max < clock->m) | |
630 | INTELPllInvalid("m out of range\n"); | |
631 | } | |
632 | ||
79e53945 | 633 | if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) |
0206e353 | 634 | INTELPllInvalid("vco out of range\n"); |
79e53945 JB |
635 | /* XXX: We may need to be checking "Dot clock" depending on the multiplier, |
636 | * connector, etc., rather than just a single range. | |
637 | */ | |
638 | if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) | |
0206e353 | 639 | INTELPllInvalid("dot out of range\n"); |
79e53945 JB |
640 | |
641 | return true; | |
642 | } | |
643 | ||
3b1429d9 VS |
644 | static int |
645 | i9xx_select_p2_div(const intel_limit_t *limit, | |
646 | const struct intel_crtc_state *crtc_state, | |
647 | int target) | |
79e53945 | 648 | { |
3b1429d9 | 649 | struct drm_device *dev = crtc_state->base.crtc->dev; |
79e53945 | 650 | |
a93e255f | 651 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
79e53945 | 652 | /* |
a210b028 DV |
653 | * For LVDS just rely on its current settings for dual-channel. |
654 | * We haven't figured out how to reliably set up different | |
655 | * single/dual channel state, if we even can. | |
79e53945 | 656 | */ |
1974cad0 | 657 | if (intel_is_dual_link_lvds(dev)) |
3b1429d9 | 658 | return limit->p2.p2_fast; |
79e53945 | 659 | else |
3b1429d9 | 660 | return limit->p2.p2_slow; |
79e53945 JB |
661 | } else { |
662 | if (target < limit->p2.dot_limit) | |
3b1429d9 | 663 | return limit->p2.p2_slow; |
79e53945 | 664 | else |
3b1429d9 | 665 | return limit->p2.p2_fast; |
79e53945 | 666 | } |
3b1429d9 VS |
667 | } |
668 | ||
669 | static bool | |
670 | i9xx_find_best_dpll(const intel_limit_t *limit, | |
671 | struct intel_crtc_state *crtc_state, | |
672 | int target, int refclk, intel_clock_t *match_clock, | |
673 | intel_clock_t *best_clock) | |
674 | { | |
675 | struct drm_device *dev = crtc_state->base.crtc->dev; | |
676 | intel_clock_t clock; | |
677 | int err = target; | |
79e53945 | 678 | |
0206e353 | 679 | memset(best_clock, 0, sizeof(*best_clock)); |
79e53945 | 680 | |
3b1429d9 VS |
681 | clock.p2 = i9xx_select_p2_div(limit, crtc_state, target); |
682 | ||
42158660 ZY |
683 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
684 | clock.m1++) { | |
685 | for (clock.m2 = limit->m2.min; | |
686 | clock.m2 <= limit->m2.max; clock.m2++) { | |
c0efc387 | 687 | if (clock.m2 >= clock.m1) |
42158660 ZY |
688 | break; |
689 | for (clock.n = limit->n.min; | |
690 | clock.n <= limit->n.max; clock.n++) { | |
691 | for (clock.p1 = limit->p1.min; | |
692 | clock.p1 <= limit->p1.max; clock.p1++) { | |
79e53945 JB |
693 | int this_err; |
694 | ||
ac58c3f0 DV |
695 | i9xx_clock(refclk, &clock); |
696 | if (!intel_PLL_is_valid(dev, limit, | |
697 | &clock)) | |
698 | continue; | |
699 | if (match_clock && | |
700 | clock.p != match_clock->p) | |
701 | continue; | |
702 | ||
703 | this_err = abs(clock.dot - target); | |
704 | if (this_err < err) { | |
705 | *best_clock = clock; | |
706 | err = this_err; | |
707 | } | |
708 | } | |
709 | } | |
710 | } | |
711 | } | |
712 | ||
713 | return (err != target); | |
714 | } | |
715 | ||
716 | static bool | |
a93e255f ACO |
717 | pnv_find_best_dpll(const intel_limit_t *limit, |
718 | struct intel_crtc_state *crtc_state, | |
ee9300bb DV |
719 | int target, int refclk, intel_clock_t *match_clock, |
720 | intel_clock_t *best_clock) | |
79e53945 | 721 | { |
3b1429d9 | 722 | struct drm_device *dev = crtc_state->base.crtc->dev; |
79e53945 | 723 | intel_clock_t clock; |
79e53945 JB |
724 | int err = target; |
725 | ||
0206e353 | 726 | memset(best_clock, 0, sizeof(*best_clock)); |
79e53945 | 727 | |
3b1429d9 VS |
728 | clock.p2 = i9xx_select_p2_div(limit, crtc_state, target); |
729 | ||
42158660 ZY |
730 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
731 | clock.m1++) { | |
732 | for (clock.m2 = limit->m2.min; | |
733 | clock.m2 <= limit->m2.max; clock.m2++) { | |
42158660 ZY |
734 | for (clock.n = limit->n.min; |
735 | clock.n <= limit->n.max; clock.n++) { | |
736 | for (clock.p1 = limit->p1.min; | |
737 | clock.p1 <= limit->p1.max; clock.p1++) { | |
79e53945 JB |
738 | int this_err; |
739 | ||
ac58c3f0 | 740 | pineview_clock(refclk, &clock); |
1b894b59 CW |
741 | if (!intel_PLL_is_valid(dev, limit, |
742 | &clock)) | |
79e53945 | 743 | continue; |
cec2f356 SP |
744 | if (match_clock && |
745 | clock.p != match_clock->p) | |
746 | continue; | |
79e53945 JB |
747 | |
748 | this_err = abs(clock.dot - target); | |
749 | if (this_err < err) { | |
750 | *best_clock = clock; | |
751 | err = this_err; | |
752 | } | |
753 | } | |
754 | } | |
755 | } | |
756 | } | |
757 | ||
758 | return (err != target); | |
759 | } | |
760 | ||
d4906093 | 761 | static bool |
a93e255f ACO |
762 | g4x_find_best_dpll(const intel_limit_t *limit, |
763 | struct intel_crtc_state *crtc_state, | |
ee9300bb DV |
764 | int target, int refclk, intel_clock_t *match_clock, |
765 | intel_clock_t *best_clock) | |
d4906093 | 766 | { |
3b1429d9 | 767 | struct drm_device *dev = crtc_state->base.crtc->dev; |
d4906093 ML |
768 | intel_clock_t clock; |
769 | int max_n; | |
3b1429d9 | 770 | bool found = false; |
6ba770dc AJ |
771 | /* approximately equals target * 0.00585 */ |
772 | int err_most = (target >> 8) + (target >> 9); | |
d4906093 ML |
773 | |
774 | memset(best_clock, 0, sizeof(*best_clock)); | |
3b1429d9 VS |
775 | |
776 | clock.p2 = i9xx_select_p2_div(limit, crtc_state, target); | |
777 | ||
d4906093 | 778 | max_n = limit->n.max; |
f77f13e2 | 779 | /* based on hardware requirement, prefer smaller n to precision */ |
d4906093 | 780 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
f77f13e2 | 781 | /* based on hardware requirement, prefere larger m1,m2 */ |
d4906093 ML |
782 | for (clock.m1 = limit->m1.max; |
783 | clock.m1 >= limit->m1.min; clock.m1--) { | |
784 | for (clock.m2 = limit->m2.max; | |
785 | clock.m2 >= limit->m2.min; clock.m2--) { | |
786 | for (clock.p1 = limit->p1.max; | |
787 | clock.p1 >= limit->p1.min; clock.p1--) { | |
788 | int this_err; | |
789 | ||
ac58c3f0 | 790 | i9xx_clock(refclk, &clock); |
1b894b59 CW |
791 | if (!intel_PLL_is_valid(dev, limit, |
792 | &clock)) | |
d4906093 | 793 | continue; |
1b894b59 CW |
794 | |
795 | this_err = abs(clock.dot - target); | |
d4906093 ML |
796 | if (this_err < err_most) { |
797 | *best_clock = clock; | |
798 | err_most = this_err; | |
799 | max_n = clock.n; | |
800 | found = true; | |
801 | } | |
802 | } | |
803 | } | |
804 | } | |
805 | } | |
2c07245f ZW |
806 | return found; |
807 | } | |
808 | ||
d5dd62bd ID |
809 | /* |
810 | * Check if the calculated PLL configuration is more optimal compared to the | |
811 | * best configuration and error found so far. Return the calculated error. | |
812 | */ | |
813 | static bool vlv_PLL_is_optimal(struct drm_device *dev, int target_freq, | |
814 | const intel_clock_t *calculated_clock, | |
815 | const intel_clock_t *best_clock, | |
816 | unsigned int best_error_ppm, | |
817 | unsigned int *error_ppm) | |
818 | { | |
9ca3ba01 ID |
819 | /* |
820 | * For CHV ignore the error and consider only the P value. | |
821 | * Prefer a bigger P value based on HW requirements. | |
822 | */ | |
823 | if (IS_CHERRYVIEW(dev)) { | |
824 | *error_ppm = 0; | |
825 | ||
826 | return calculated_clock->p > best_clock->p; | |
827 | } | |
828 | ||
24be4e46 ID |
829 | if (WARN_ON_ONCE(!target_freq)) |
830 | return false; | |
831 | ||
d5dd62bd ID |
832 | *error_ppm = div_u64(1000000ULL * |
833 | abs(target_freq - calculated_clock->dot), | |
834 | target_freq); | |
835 | /* | |
836 | * Prefer a better P value over a better (smaller) error if the error | |
837 | * is small. Ensure this preference for future configurations too by | |
838 | * setting the error to 0. | |
839 | */ | |
840 | if (*error_ppm < 100 && calculated_clock->p > best_clock->p) { | |
841 | *error_ppm = 0; | |
842 | ||
843 | return true; | |
844 | } | |
845 | ||
846 | return *error_ppm + 10 < best_error_ppm; | |
847 | } | |
848 | ||
a0c4da24 | 849 | static bool |
a93e255f ACO |
850 | vlv_find_best_dpll(const intel_limit_t *limit, |
851 | struct intel_crtc_state *crtc_state, | |
ee9300bb DV |
852 | int target, int refclk, intel_clock_t *match_clock, |
853 | intel_clock_t *best_clock) | |
a0c4da24 | 854 | { |
a93e255f | 855 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 856 | struct drm_device *dev = crtc->base.dev; |
6b4bf1c4 | 857 | intel_clock_t clock; |
69e4f900 | 858 | unsigned int bestppm = 1000000; |
27e639bf VS |
859 | /* min update 19.2 MHz */ |
860 | int max_n = min(limit->n.max, refclk / 19200); | |
49e497ef | 861 | bool found = false; |
a0c4da24 | 862 | |
6b4bf1c4 VS |
863 | target *= 5; /* fast clock */ |
864 | ||
865 | memset(best_clock, 0, sizeof(*best_clock)); | |
a0c4da24 JB |
866 | |
867 | /* based on hardware requirement, prefer smaller n to precision */ | |
27e639bf | 868 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
811bbf05 | 869 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { |
889059d8 | 870 | for (clock.p2 = limit->p2.p2_fast; clock.p2 >= limit->p2.p2_slow; |
c1a9ae43 | 871 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { |
6b4bf1c4 | 872 | clock.p = clock.p1 * clock.p2; |
a0c4da24 | 873 | /* based on hardware requirement, prefer bigger m1,m2 values */ |
6b4bf1c4 | 874 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) { |
d5dd62bd | 875 | unsigned int ppm; |
69e4f900 | 876 | |
6b4bf1c4 VS |
877 | clock.m2 = DIV_ROUND_CLOSEST(target * clock.p * clock.n, |
878 | refclk * clock.m1); | |
879 | ||
880 | vlv_clock(refclk, &clock); | |
43b0ac53 | 881 | |
f01b7962 VS |
882 | if (!intel_PLL_is_valid(dev, limit, |
883 | &clock)) | |
43b0ac53 VS |
884 | continue; |
885 | ||
d5dd62bd ID |
886 | if (!vlv_PLL_is_optimal(dev, target, |
887 | &clock, | |
888 | best_clock, | |
889 | bestppm, &ppm)) | |
890 | continue; | |
6b4bf1c4 | 891 | |
d5dd62bd ID |
892 | *best_clock = clock; |
893 | bestppm = ppm; | |
894 | found = true; | |
a0c4da24 JB |
895 | } |
896 | } | |
897 | } | |
898 | } | |
a0c4da24 | 899 | |
49e497ef | 900 | return found; |
a0c4da24 | 901 | } |
a4fc5ed6 | 902 | |
ef9348c8 | 903 | static bool |
a93e255f ACO |
904 | chv_find_best_dpll(const intel_limit_t *limit, |
905 | struct intel_crtc_state *crtc_state, | |
ef9348c8 CML |
906 | int target, int refclk, intel_clock_t *match_clock, |
907 | intel_clock_t *best_clock) | |
908 | { | |
a93e255f | 909 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 910 | struct drm_device *dev = crtc->base.dev; |
9ca3ba01 | 911 | unsigned int best_error_ppm; |
ef9348c8 CML |
912 | intel_clock_t clock; |
913 | uint64_t m2; | |
914 | int found = false; | |
915 | ||
916 | memset(best_clock, 0, sizeof(*best_clock)); | |
9ca3ba01 | 917 | best_error_ppm = 1000000; |
ef9348c8 CML |
918 | |
919 | /* | |
920 | * Based on hardware doc, the n always set to 1, and m1 always | |
921 | * set to 2. If requires to support 200Mhz refclk, we need to | |
922 | * revisit this because n may not 1 anymore. | |
923 | */ | |
924 | clock.n = 1, clock.m1 = 2; | |
925 | target *= 5; /* fast clock */ | |
926 | ||
927 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { | |
928 | for (clock.p2 = limit->p2.p2_fast; | |
929 | clock.p2 >= limit->p2.p2_slow; | |
930 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { | |
9ca3ba01 | 931 | unsigned int error_ppm; |
ef9348c8 CML |
932 | |
933 | clock.p = clock.p1 * clock.p2; | |
934 | ||
935 | m2 = DIV_ROUND_CLOSEST_ULL(((uint64_t)target * clock.p * | |
936 | clock.n) << 22, refclk * clock.m1); | |
937 | ||
938 | if (m2 > INT_MAX/clock.m1) | |
939 | continue; | |
940 | ||
941 | clock.m2 = m2; | |
942 | ||
943 | chv_clock(refclk, &clock); | |
944 | ||
945 | if (!intel_PLL_is_valid(dev, limit, &clock)) | |
946 | continue; | |
947 | ||
9ca3ba01 ID |
948 | if (!vlv_PLL_is_optimal(dev, target, &clock, best_clock, |
949 | best_error_ppm, &error_ppm)) | |
950 | continue; | |
951 | ||
952 | *best_clock = clock; | |
953 | best_error_ppm = error_ppm; | |
954 | found = true; | |
ef9348c8 CML |
955 | } |
956 | } | |
957 | ||
958 | return found; | |
959 | } | |
960 | ||
5ab7b0b7 ID |
961 | bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, int target_clock, |
962 | intel_clock_t *best_clock) | |
963 | { | |
964 | int refclk = i9xx_get_refclk(crtc_state, 0); | |
965 | ||
966 | return chv_find_best_dpll(intel_limit(crtc_state, refclk), crtc_state, | |
967 | target_clock, refclk, NULL, best_clock); | |
968 | } | |
969 | ||
20ddf665 VS |
970 | bool intel_crtc_active(struct drm_crtc *crtc) |
971 | { | |
972 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
973 | ||
974 | /* Be paranoid as we can arrive here with only partial | |
975 | * state retrieved from the hardware during setup. | |
976 | * | |
241bfc38 | 977 | * We can ditch the adjusted_mode.crtc_clock check as soon |
20ddf665 VS |
978 | * as Haswell has gained clock readout/fastboot support. |
979 | * | |
66e514c1 | 980 | * We can ditch the crtc->primary->fb check as soon as we can |
20ddf665 | 981 | * properly reconstruct framebuffers. |
c3d1f436 MR |
982 | * |
983 | * FIXME: The intel_crtc->active here should be switched to | |
984 | * crtc->state->active once we have proper CRTC states wired up | |
985 | * for atomic. | |
20ddf665 | 986 | */ |
c3d1f436 | 987 | return intel_crtc->active && crtc->primary->state->fb && |
6e3c9717 | 988 | intel_crtc->config->base.adjusted_mode.crtc_clock; |
20ddf665 VS |
989 | } |
990 | ||
a5c961d1 PZ |
991 | enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv, |
992 | enum pipe pipe) | |
993 | { | |
994 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
995 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
996 | ||
6e3c9717 | 997 | return intel_crtc->config->cpu_transcoder; |
a5c961d1 PZ |
998 | } |
999 | ||
fbf49ea2 VS |
1000 | static bool pipe_dsl_stopped(struct drm_device *dev, enum pipe pipe) |
1001 | { | |
1002 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1003 | u32 reg = PIPEDSL(pipe); | |
1004 | u32 line1, line2; | |
1005 | u32 line_mask; | |
1006 | ||
1007 | if (IS_GEN2(dev)) | |
1008 | line_mask = DSL_LINEMASK_GEN2; | |
1009 | else | |
1010 | line_mask = DSL_LINEMASK_GEN3; | |
1011 | ||
1012 | line1 = I915_READ(reg) & line_mask; | |
1013 | mdelay(5); | |
1014 | line2 = I915_READ(reg) & line_mask; | |
1015 | ||
1016 | return line1 == line2; | |
1017 | } | |
1018 | ||
ab7ad7f6 KP |
1019 | /* |
1020 | * intel_wait_for_pipe_off - wait for pipe to turn off | |
575f7ab7 | 1021 | * @crtc: crtc whose pipe to wait for |
9d0498a2 JB |
1022 | * |
1023 | * After disabling a pipe, we can't wait for vblank in the usual way, | |
1024 | * spinning on the vblank interrupt status bit, since we won't actually | |
1025 | * see an interrupt when the pipe is disabled. | |
1026 | * | |
ab7ad7f6 KP |
1027 | * On Gen4 and above: |
1028 | * wait for the pipe register state bit to turn off | |
1029 | * | |
1030 | * Otherwise: | |
1031 | * wait for the display line value to settle (it usually | |
1032 | * ends up stopping at the start of the next frame). | |
58e10eb9 | 1033 | * |
9d0498a2 | 1034 | */ |
575f7ab7 | 1035 | static void intel_wait_for_pipe_off(struct intel_crtc *crtc) |
9d0498a2 | 1036 | { |
575f7ab7 | 1037 | struct drm_device *dev = crtc->base.dev; |
9d0498a2 | 1038 | struct drm_i915_private *dev_priv = dev->dev_private; |
6e3c9717 | 1039 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
575f7ab7 | 1040 | enum pipe pipe = crtc->pipe; |
ab7ad7f6 KP |
1041 | |
1042 | if (INTEL_INFO(dev)->gen >= 4) { | |
702e7a56 | 1043 | int reg = PIPECONF(cpu_transcoder); |
ab7ad7f6 KP |
1044 | |
1045 | /* Wait for the Pipe State to go off */ | |
58e10eb9 CW |
1046 | if (wait_for((I915_READ(reg) & I965_PIPECONF_ACTIVE) == 0, |
1047 | 100)) | |
284637d9 | 1048 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 1049 | } else { |
ab7ad7f6 | 1050 | /* Wait for the display line to settle */ |
fbf49ea2 | 1051 | if (wait_for(pipe_dsl_stopped(dev, pipe), 100)) |
284637d9 | 1052 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 1053 | } |
79e53945 JB |
1054 | } |
1055 | ||
b0ea7d37 DL |
1056 | /* |
1057 | * ibx_digital_port_connected - is the specified port connected? | |
1058 | * @dev_priv: i915 private structure | |
1059 | * @port: the port to test | |
1060 | * | |
1061 | * Returns true if @port is connected, false otherwise. | |
1062 | */ | |
1063 | bool ibx_digital_port_connected(struct drm_i915_private *dev_priv, | |
1064 | struct intel_digital_port *port) | |
1065 | { | |
1066 | u32 bit; | |
1067 | ||
c36346e3 | 1068 | if (HAS_PCH_IBX(dev_priv->dev)) { |
eba905b2 | 1069 | switch (port->port) { |
c36346e3 DL |
1070 | case PORT_B: |
1071 | bit = SDE_PORTB_HOTPLUG; | |
1072 | break; | |
1073 | case PORT_C: | |
1074 | bit = SDE_PORTC_HOTPLUG; | |
1075 | break; | |
1076 | case PORT_D: | |
1077 | bit = SDE_PORTD_HOTPLUG; | |
1078 | break; | |
1079 | default: | |
1080 | return true; | |
1081 | } | |
1082 | } else { | |
eba905b2 | 1083 | switch (port->port) { |
c36346e3 DL |
1084 | case PORT_B: |
1085 | bit = SDE_PORTB_HOTPLUG_CPT; | |
1086 | break; | |
1087 | case PORT_C: | |
1088 | bit = SDE_PORTC_HOTPLUG_CPT; | |
1089 | break; | |
1090 | case PORT_D: | |
1091 | bit = SDE_PORTD_HOTPLUG_CPT; | |
1092 | break; | |
1093 | default: | |
1094 | return true; | |
1095 | } | |
b0ea7d37 DL |
1096 | } |
1097 | ||
1098 | return I915_READ(SDEISR) & bit; | |
1099 | } | |
1100 | ||
b24e7179 JB |
1101 | static const char *state_string(bool enabled) |
1102 | { | |
1103 | return enabled ? "on" : "off"; | |
1104 | } | |
1105 | ||
1106 | /* Only for pre-ILK configs */ | |
55607e8a DV |
1107 | void assert_pll(struct drm_i915_private *dev_priv, |
1108 | enum pipe pipe, bool state) | |
b24e7179 JB |
1109 | { |
1110 | int reg; | |
1111 | u32 val; | |
1112 | bool cur_state; | |
1113 | ||
1114 | reg = DPLL(pipe); | |
1115 | val = I915_READ(reg); | |
1116 | cur_state = !!(val & DPLL_VCO_ENABLE); | |
e2c719b7 | 1117 | I915_STATE_WARN(cur_state != state, |
b24e7179 JB |
1118 | "PLL state assertion failure (expected %s, current %s)\n", |
1119 | state_string(state), state_string(cur_state)); | |
1120 | } | |
b24e7179 | 1121 | |
23538ef1 JN |
1122 | /* XXX: the dsi pll is shared between MIPI DSI ports */ |
1123 | static void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state) | |
1124 | { | |
1125 | u32 val; | |
1126 | bool cur_state; | |
1127 | ||
a580516d | 1128 | mutex_lock(&dev_priv->sb_lock); |
23538ef1 | 1129 | val = vlv_cck_read(dev_priv, CCK_REG_DSI_PLL_CONTROL); |
a580516d | 1130 | mutex_unlock(&dev_priv->sb_lock); |
23538ef1 JN |
1131 | |
1132 | cur_state = val & DSI_PLL_VCO_EN; | |
e2c719b7 | 1133 | I915_STATE_WARN(cur_state != state, |
23538ef1 JN |
1134 | "DSI PLL state assertion failure (expected %s, current %s)\n", |
1135 | state_string(state), state_string(cur_state)); | |
1136 | } | |
1137 | #define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true) | |
1138 | #define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false) | |
1139 | ||
55607e8a | 1140 | struct intel_shared_dpll * |
e2b78267 DV |
1141 | intel_crtc_to_shared_dpll(struct intel_crtc *crtc) |
1142 | { | |
1143 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; | |
1144 | ||
6e3c9717 | 1145 | if (crtc->config->shared_dpll < 0) |
e2b78267 DV |
1146 | return NULL; |
1147 | ||
6e3c9717 | 1148 | return &dev_priv->shared_dplls[crtc->config->shared_dpll]; |
e2b78267 DV |
1149 | } |
1150 | ||
040484af | 1151 | /* For ILK+ */ |
55607e8a DV |
1152 | void assert_shared_dpll(struct drm_i915_private *dev_priv, |
1153 | struct intel_shared_dpll *pll, | |
1154 | bool state) | |
040484af | 1155 | { |
040484af | 1156 | bool cur_state; |
5358901f | 1157 | struct intel_dpll_hw_state hw_state; |
040484af | 1158 | |
92b27b08 | 1159 | if (WARN (!pll, |
46edb027 | 1160 | "asserting DPLL %s with no DPLL\n", state_string(state))) |
ee7b9f93 | 1161 | return; |
ee7b9f93 | 1162 | |
5358901f | 1163 | cur_state = pll->get_hw_state(dev_priv, pll, &hw_state); |
e2c719b7 | 1164 | I915_STATE_WARN(cur_state != state, |
5358901f DV |
1165 | "%s assertion failure (expected %s, current %s)\n", |
1166 | pll->name, state_string(state), state_string(cur_state)); | |
040484af | 1167 | } |
040484af JB |
1168 | |
1169 | static void assert_fdi_tx(struct drm_i915_private *dev_priv, | |
1170 | enum pipe pipe, bool state) | |
1171 | { | |
1172 | int reg; | |
1173 | u32 val; | |
1174 | bool cur_state; | |
ad80a810 PZ |
1175 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1176 | pipe); | |
040484af | 1177 | |
affa9354 PZ |
1178 | if (HAS_DDI(dev_priv->dev)) { |
1179 | /* DDI does not have a specific FDI_TX register */ | |
ad80a810 | 1180 | reg = TRANS_DDI_FUNC_CTL(cpu_transcoder); |
bf507ef7 | 1181 | val = I915_READ(reg); |
ad80a810 | 1182 | cur_state = !!(val & TRANS_DDI_FUNC_ENABLE); |
bf507ef7 ED |
1183 | } else { |
1184 | reg = FDI_TX_CTL(pipe); | |
1185 | val = I915_READ(reg); | |
1186 | cur_state = !!(val & FDI_TX_ENABLE); | |
1187 | } | |
e2c719b7 | 1188 | I915_STATE_WARN(cur_state != state, |
040484af JB |
1189 | "FDI TX state assertion failure (expected %s, current %s)\n", |
1190 | state_string(state), state_string(cur_state)); | |
1191 | } | |
1192 | #define assert_fdi_tx_enabled(d, p) assert_fdi_tx(d, p, true) | |
1193 | #define assert_fdi_tx_disabled(d, p) assert_fdi_tx(d, p, false) | |
1194 | ||
1195 | static void assert_fdi_rx(struct drm_i915_private *dev_priv, | |
1196 | enum pipe pipe, bool state) | |
1197 | { | |
1198 | int reg; | |
1199 | u32 val; | |
1200 | bool cur_state; | |
1201 | ||
d63fa0dc PZ |
1202 | reg = FDI_RX_CTL(pipe); |
1203 | val = I915_READ(reg); | |
1204 | cur_state = !!(val & FDI_RX_ENABLE); | |
e2c719b7 | 1205 | I915_STATE_WARN(cur_state != state, |
040484af JB |
1206 | "FDI RX state assertion failure (expected %s, current %s)\n", |
1207 | state_string(state), state_string(cur_state)); | |
1208 | } | |
1209 | #define assert_fdi_rx_enabled(d, p) assert_fdi_rx(d, p, true) | |
1210 | #define assert_fdi_rx_disabled(d, p) assert_fdi_rx(d, p, false) | |
1211 | ||
1212 | static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv, | |
1213 | enum pipe pipe) | |
1214 | { | |
1215 | int reg; | |
1216 | u32 val; | |
1217 | ||
1218 | /* ILK FDI PLL is always enabled */ | |
3d13ef2e | 1219 | if (INTEL_INFO(dev_priv->dev)->gen == 5) |
040484af JB |
1220 | return; |
1221 | ||
bf507ef7 | 1222 | /* On Haswell, DDI ports are responsible for the FDI PLL setup */ |
affa9354 | 1223 | if (HAS_DDI(dev_priv->dev)) |
bf507ef7 ED |
1224 | return; |
1225 | ||
040484af JB |
1226 | reg = FDI_TX_CTL(pipe); |
1227 | val = I915_READ(reg); | |
e2c719b7 | 1228 | I915_STATE_WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n"); |
040484af JB |
1229 | } |
1230 | ||
55607e8a DV |
1231 | void assert_fdi_rx_pll(struct drm_i915_private *dev_priv, |
1232 | enum pipe pipe, bool state) | |
040484af JB |
1233 | { |
1234 | int reg; | |
1235 | u32 val; | |
55607e8a | 1236 | bool cur_state; |
040484af JB |
1237 | |
1238 | reg = FDI_RX_CTL(pipe); | |
1239 | val = I915_READ(reg); | |
55607e8a | 1240 | cur_state = !!(val & FDI_RX_PLL_ENABLE); |
e2c719b7 | 1241 | I915_STATE_WARN(cur_state != state, |
55607e8a DV |
1242 | "FDI RX PLL assertion failure (expected %s, current %s)\n", |
1243 | state_string(state), state_string(cur_state)); | |
040484af JB |
1244 | } |
1245 | ||
b680c37a DV |
1246 | void assert_panel_unlocked(struct drm_i915_private *dev_priv, |
1247 | enum pipe pipe) | |
ea0760cf | 1248 | { |
bedd4dba JN |
1249 | struct drm_device *dev = dev_priv->dev; |
1250 | int pp_reg; | |
ea0760cf JB |
1251 | u32 val; |
1252 | enum pipe panel_pipe = PIPE_A; | |
0de3b485 | 1253 | bool locked = true; |
ea0760cf | 1254 | |
bedd4dba JN |
1255 | if (WARN_ON(HAS_DDI(dev))) |
1256 | return; | |
1257 | ||
1258 | if (HAS_PCH_SPLIT(dev)) { | |
1259 | u32 port_sel; | |
1260 | ||
ea0760cf | 1261 | pp_reg = PCH_PP_CONTROL; |
bedd4dba JN |
1262 | port_sel = I915_READ(PCH_PP_ON_DELAYS) & PANEL_PORT_SELECT_MASK; |
1263 | ||
1264 | if (port_sel == PANEL_PORT_SELECT_LVDS && | |
1265 | I915_READ(PCH_LVDS) & LVDS_PIPEB_SELECT) | |
1266 | panel_pipe = PIPE_B; | |
1267 | /* XXX: else fix for eDP */ | |
1268 | } else if (IS_VALLEYVIEW(dev)) { | |
1269 | /* presumably write lock depends on pipe, not port select */ | |
1270 | pp_reg = VLV_PIPE_PP_CONTROL(pipe); | |
1271 | panel_pipe = pipe; | |
ea0760cf JB |
1272 | } else { |
1273 | pp_reg = PP_CONTROL; | |
bedd4dba JN |
1274 | if (I915_READ(LVDS) & LVDS_PIPEB_SELECT) |
1275 | panel_pipe = PIPE_B; | |
ea0760cf JB |
1276 | } |
1277 | ||
1278 | val = I915_READ(pp_reg); | |
1279 | if (!(val & PANEL_POWER_ON) || | |
ec49ba2d | 1280 | ((val & PANEL_UNLOCK_MASK) == PANEL_UNLOCK_REGS)) |
ea0760cf JB |
1281 | locked = false; |
1282 | ||
e2c719b7 | 1283 | I915_STATE_WARN(panel_pipe == pipe && locked, |
ea0760cf | 1284 | "panel assertion failure, pipe %c regs locked\n", |
9db4a9c7 | 1285 | pipe_name(pipe)); |
ea0760cf JB |
1286 | } |
1287 | ||
93ce0ba6 JN |
1288 | static void assert_cursor(struct drm_i915_private *dev_priv, |
1289 | enum pipe pipe, bool state) | |
1290 | { | |
1291 | struct drm_device *dev = dev_priv->dev; | |
1292 | bool cur_state; | |
1293 | ||
d9d82081 | 1294 | if (IS_845G(dev) || IS_I865G(dev)) |
93ce0ba6 | 1295 | cur_state = I915_READ(_CURACNTR) & CURSOR_ENABLE; |
d9d82081 | 1296 | else |
5efb3e28 | 1297 | cur_state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; |
93ce0ba6 | 1298 | |
e2c719b7 | 1299 | I915_STATE_WARN(cur_state != state, |
93ce0ba6 JN |
1300 | "cursor on pipe %c assertion failure (expected %s, current %s)\n", |
1301 | pipe_name(pipe), state_string(state), state_string(cur_state)); | |
1302 | } | |
1303 | #define assert_cursor_enabled(d, p) assert_cursor(d, p, true) | |
1304 | #define assert_cursor_disabled(d, p) assert_cursor(d, p, false) | |
1305 | ||
b840d907 JB |
1306 | void assert_pipe(struct drm_i915_private *dev_priv, |
1307 | enum pipe pipe, bool state) | |
b24e7179 JB |
1308 | { |
1309 | int reg; | |
1310 | u32 val; | |
63d7bbe9 | 1311 | bool cur_state; |
702e7a56 PZ |
1312 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1313 | pipe); | |
b24e7179 | 1314 | |
b6b5d049 VS |
1315 | /* if we need the pipe quirk it must be always on */ |
1316 | if ((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
1317 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
8e636784 DV |
1318 | state = true; |
1319 | ||
f458ebbc | 1320 | if (!intel_display_power_is_enabled(dev_priv, |
b97186f0 | 1321 | POWER_DOMAIN_TRANSCODER(cpu_transcoder))) { |
69310161 PZ |
1322 | cur_state = false; |
1323 | } else { | |
1324 | reg = PIPECONF(cpu_transcoder); | |
1325 | val = I915_READ(reg); | |
1326 | cur_state = !!(val & PIPECONF_ENABLE); | |
1327 | } | |
1328 | ||
e2c719b7 | 1329 | I915_STATE_WARN(cur_state != state, |
63d7bbe9 | 1330 | "pipe %c assertion failure (expected %s, current %s)\n", |
9db4a9c7 | 1331 | pipe_name(pipe), state_string(state), state_string(cur_state)); |
b24e7179 JB |
1332 | } |
1333 | ||
931872fc CW |
1334 | static void assert_plane(struct drm_i915_private *dev_priv, |
1335 | enum plane plane, bool state) | |
b24e7179 JB |
1336 | { |
1337 | int reg; | |
1338 | u32 val; | |
931872fc | 1339 | bool cur_state; |
b24e7179 JB |
1340 | |
1341 | reg = DSPCNTR(plane); | |
1342 | val = I915_READ(reg); | |
931872fc | 1343 | cur_state = !!(val & DISPLAY_PLANE_ENABLE); |
e2c719b7 | 1344 | I915_STATE_WARN(cur_state != state, |
931872fc CW |
1345 | "plane %c assertion failure (expected %s, current %s)\n", |
1346 | plane_name(plane), state_string(state), state_string(cur_state)); | |
b24e7179 JB |
1347 | } |
1348 | ||
931872fc CW |
1349 | #define assert_plane_enabled(d, p) assert_plane(d, p, true) |
1350 | #define assert_plane_disabled(d, p) assert_plane(d, p, false) | |
1351 | ||
b24e7179 JB |
1352 | static void assert_planes_disabled(struct drm_i915_private *dev_priv, |
1353 | enum pipe pipe) | |
1354 | { | |
653e1026 | 1355 | struct drm_device *dev = dev_priv->dev; |
b24e7179 JB |
1356 | int reg, i; |
1357 | u32 val; | |
1358 | int cur_pipe; | |
1359 | ||
653e1026 VS |
1360 | /* Primary planes are fixed to pipes on gen4+ */ |
1361 | if (INTEL_INFO(dev)->gen >= 4) { | |
28c05794 AJ |
1362 | reg = DSPCNTR(pipe); |
1363 | val = I915_READ(reg); | |
e2c719b7 | 1364 | I915_STATE_WARN(val & DISPLAY_PLANE_ENABLE, |
28c05794 AJ |
1365 | "plane %c assertion failure, should be disabled but not\n", |
1366 | plane_name(pipe)); | |
19ec1358 | 1367 | return; |
28c05794 | 1368 | } |
19ec1358 | 1369 | |
b24e7179 | 1370 | /* Need to check both planes against the pipe */ |
055e393f | 1371 | for_each_pipe(dev_priv, i) { |
b24e7179 JB |
1372 | reg = DSPCNTR(i); |
1373 | val = I915_READ(reg); | |
1374 | cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >> | |
1375 | DISPPLANE_SEL_PIPE_SHIFT; | |
e2c719b7 | 1376 | I915_STATE_WARN((val & DISPLAY_PLANE_ENABLE) && pipe == cur_pipe, |
9db4a9c7 JB |
1377 | "plane %c assertion failure, should be off on pipe %c but is still active\n", |
1378 | plane_name(i), pipe_name(pipe)); | |
b24e7179 JB |
1379 | } |
1380 | } | |
1381 | ||
19332d7a JB |
1382 | static void assert_sprites_disabled(struct drm_i915_private *dev_priv, |
1383 | enum pipe pipe) | |
1384 | { | |
20674eef | 1385 | struct drm_device *dev = dev_priv->dev; |
1fe47785 | 1386 | int reg, sprite; |
19332d7a JB |
1387 | u32 val; |
1388 | ||
7feb8b88 | 1389 | if (INTEL_INFO(dev)->gen >= 9) { |
3bdcfc0c | 1390 | for_each_sprite(dev_priv, pipe, sprite) { |
7feb8b88 | 1391 | val = I915_READ(PLANE_CTL(pipe, sprite)); |
e2c719b7 | 1392 | I915_STATE_WARN(val & PLANE_CTL_ENABLE, |
7feb8b88 DL |
1393 | "plane %d assertion failure, should be off on pipe %c but is still active\n", |
1394 | sprite, pipe_name(pipe)); | |
1395 | } | |
1396 | } else if (IS_VALLEYVIEW(dev)) { | |
3bdcfc0c | 1397 | for_each_sprite(dev_priv, pipe, sprite) { |
1fe47785 | 1398 | reg = SPCNTR(pipe, sprite); |
20674eef | 1399 | val = I915_READ(reg); |
e2c719b7 | 1400 | I915_STATE_WARN(val & SP_ENABLE, |
20674eef | 1401 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
1fe47785 | 1402 | sprite_name(pipe, sprite), pipe_name(pipe)); |
20674eef VS |
1403 | } |
1404 | } else if (INTEL_INFO(dev)->gen >= 7) { | |
1405 | reg = SPRCTL(pipe); | |
19332d7a | 1406 | val = I915_READ(reg); |
e2c719b7 | 1407 | I915_STATE_WARN(val & SPRITE_ENABLE, |
06da8da2 | 1408 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
20674eef VS |
1409 | plane_name(pipe), pipe_name(pipe)); |
1410 | } else if (INTEL_INFO(dev)->gen >= 5) { | |
1411 | reg = DVSCNTR(pipe); | |
19332d7a | 1412 | val = I915_READ(reg); |
e2c719b7 | 1413 | I915_STATE_WARN(val & DVS_ENABLE, |
06da8da2 | 1414 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
20674eef | 1415 | plane_name(pipe), pipe_name(pipe)); |
19332d7a JB |
1416 | } |
1417 | } | |
1418 | ||
08c71e5e VS |
1419 | static void assert_vblank_disabled(struct drm_crtc *crtc) |
1420 | { | |
e2c719b7 | 1421 | if (I915_STATE_WARN_ON(drm_crtc_vblank_get(crtc) == 0)) |
08c71e5e VS |
1422 | drm_crtc_vblank_put(crtc); |
1423 | } | |
1424 | ||
89eff4be | 1425 | static void ibx_assert_pch_refclk_enabled(struct drm_i915_private *dev_priv) |
92f2584a JB |
1426 | { |
1427 | u32 val; | |
1428 | bool enabled; | |
1429 | ||
e2c719b7 | 1430 | I915_STATE_WARN_ON(!(HAS_PCH_IBX(dev_priv->dev) || HAS_PCH_CPT(dev_priv->dev))); |
9d82aa17 | 1431 | |
92f2584a JB |
1432 | val = I915_READ(PCH_DREF_CONTROL); |
1433 | enabled = !!(val & (DREF_SSC_SOURCE_MASK | DREF_NONSPREAD_SOURCE_MASK | | |
1434 | DREF_SUPERSPREAD_SOURCE_MASK)); | |
e2c719b7 | 1435 | I915_STATE_WARN(!enabled, "PCH refclk assertion failure, should be active but is disabled\n"); |
92f2584a JB |
1436 | } |
1437 | ||
ab9412ba DV |
1438 | static void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv, |
1439 | enum pipe pipe) | |
92f2584a JB |
1440 | { |
1441 | int reg; | |
1442 | u32 val; | |
1443 | bool enabled; | |
1444 | ||
ab9412ba | 1445 | reg = PCH_TRANSCONF(pipe); |
92f2584a JB |
1446 | val = I915_READ(reg); |
1447 | enabled = !!(val & TRANS_ENABLE); | |
e2c719b7 | 1448 | I915_STATE_WARN(enabled, |
9db4a9c7 JB |
1449 | "transcoder assertion failed, should be off on pipe %c but is still active\n", |
1450 | pipe_name(pipe)); | |
92f2584a JB |
1451 | } |
1452 | ||
4e634389 KP |
1453 | static bool dp_pipe_enabled(struct drm_i915_private *dev_priv, |
1454 | enum pipe pipe, u32 port_sel, u32 val) | |
f0575e92 KP |
1455 | { |
1456 | if ((val & DP_PORT_EN) == 0) | |
1457 | return false; | |
1458 | ||
1459 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1460 | u32 trans_dp_ctl_reg = TRANS_DP_CTL(pipe); | |
1461 | u32 trans_dp_ctl = I915_READ(trans_dp_ctl_reg); | |
1462 | if ((trans_dp_ctl & TRANS_DP_PORT_SEL_MASK) != port_sel) | |
1463 | return false; | |
44f37d1f CML |
1464 | } else if (IS_CHERRYVIEW(dev_priv->dev)) { |
1465 | if ((val & DP_PIPE_MASK_CHV) != DP_PIPE_SELECT_CHV(pipe)) | |
1466 | return false; | |
f0575e92 KP |
1467 | } else { |
1468 | if ((val & DP_PIPE_MASK) != (pipe << 30)) | |
1469 | return false; | |
1470 | } | |
1471 | return true; | |
1472 | } | |
1473 | ||
1519b995 KP |
1474 | static bool hdmi_pipe_enabled(struct drm_i915_private *dev_priv, |
1475 | enum pipe pipe, u32 val) | |
1476 | { | |
dc0fa718 | 1477 | if ((val & SDVO_ENABLE) == 0) |
1519b995 KP |
1478 | return false; |
1479 | ||
1480 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
dc0fa718 | 1481 | if ((val & SDVO_PIPE_SEL_MASK_CPT) != SDVO_PIPE_SEL_CPT(pipe)) |
1519b995 | 1482 | return false; |
44f37d1f CML |
1483 | } else if (IS_CHERRYVIEW(dev_priv->dev)) { |
1484 | if ((val & SDVO_PIPE_SEL_MASK_CHV) != SDVO_PIPE_SEL_CHV(pipe)) | |
1485 | return false; | |
1519b995 | 1486 | } else { |
dc0fa718 | 1487 | if ((val & SDVO_PIPE_SEL_MASK) != SDVO_PIPE_SEL(pipe)) |
1519b995 KP |
1488 | return false; |
1489 | } | |
1490 | return true; | |
1491 | } | |
1492 | ||
1493 | static bool lvds_pipe_enabled(struct drm_i915_private *dev_priv, | |
1494 | enum pipe pipe, u32 val) | |
1495 | { | |
1496 | if ((val & LVDS_PORT_EN) == 0) | |
1497 | return false; | |
1498 | ||
1499 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1500 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) | |
1501 | return false; | |
1502 | } else { | |
1503 | if ((val & LVDS_PIPE_MASK) != LVDS_PIPE(pipe)) | |
1504 | return false; | |
1505 | } | |
1506 | return true; | |
1507 | } | |
1508 | ||
1509 | static bool adpa_pipe_enabled(struct drm_i915_private *dev_priv, | |
1510 | enum pipe pipe, u32 val) | |
1511 | { | |
1512 | if ((val & ADPA_DAC_ENABLE) == 0) | |
1513 | return false; | |
1514 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1515 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) | |
1516 | return false; | |
1517 | } else { | |
1518 | if ((val & ADPA_PIPE_SELECT_MASK) != ADPA_PIPE_SELECT(pipe)) | |
1519 | return false; | |
1520 | } | |
1521 | return true; | |
1522 | } | |
1523 | ||
291906f1 | 1524 | static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv, |
f0575e92 | 1525 | enum pipe pipe, int reg, u32 port_sel) |
291906f1 | 1526 | { |
47a05eca | 1527 | u32 val = I915_READ(reg); |
e2c719b7 | 1528 | I915_STATE_WARN(dp_pipe_enabled(dev_priv, pipe, port_sel, val), |
291906f1 | 1529 | "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1530 | reg, pipe_name(pipe)); |
de9a35ab | 1531 | |
e2c719b7 | 1532 | I915_STATE_WARN(HAS_PCH_IBX(dev_priv->dev) && (val & DP_PORT_EN) == 0 |
75c5da27 | 1533 | && (val & DP_PIPEB_SELECT), |
de9a35ab | 1534 | "IBX PCH dp port still using transcoder B\n"); |
291906f1 JB |
1535 | } |
1536 | ||
1537 | static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv, | |
1538 | enum pipe pipe, int reg) | |
1539 | { | |
47a05eca | 1540 | u32 val = I915_READ(reg); |
e2c719b7 | 1541 | I915_STATE_WARN(hdmi_pipe_enabled(dev_priv, pipe, val), |
23c99e77 | 1542 | "PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1543 | reg, pipe_name(pipe)); |
de9a35ab | 1544 | |
e2c719b7 | 1545 | I915_STATE_WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_ENABLE) == 0 |
75c5da27 | 1546 | && (val & SDVO_PIPE_B_SELECT), |
de9a35ab | 1547 | "IBX PCH hdmi port still using transcoder B\n"); |
291906f1 JB |
1548 | } |
1549 | ||
1550 | static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv, | |
1551 | enum pipe pipe) | |
1552 | { | |
1553 | int reg; | |
1554 | u32 val; | |
291906f1 | 1555 | |
f0575e92 KP |
1556 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_B, TRANS_DP_PORT_SEL_B); |
1557 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_C, TRANS_DP_PORT_SEL_C); | |
1558 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_D, TRANS_DP_PORT_SEL_D); | |
291906f1 JB |
1559 | |
1560 | reg = PCH_ADPA; | |
1561 | val = I915_READ(reg); | |
e2c719b7 | 1562 | I915_STATE_WARN(adpa_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1563 | "PCH VGA enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1564 | pipe_name(pipe)); |
291906f1 JB |
1565 | |
1566 | reg = PCH_LVDS; | |
1567 | val = I915_READ(reg); | |
e2c719b7 | 1568 | I915_STATE_WARN(lvds_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1569 | "PCH LVDS enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1570 | pipe_name(pipe)); |
291906f1 | 1571 | |
e2debe91 PZ |
1572 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIB); |
1573 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIC); | |
1574 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMID); | |
291906f1 JB |
1575 | } |
1576 | ||
40e9cf64 JB |
1577 | static void intel_init_dpio(struct drm_device *dev) |
1578 | { | |
1579 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1580 | ||
1581 | if (!IS_VALLEYVIEW(dev)) | |
1582 | return; | |
1583 | ||
a09caddd CML |
1584 | /* |
1585 | * IOSF_PORT_DPIO is used for VLV x2 PHY (DP/HDMI B and C), | |
1586 | * CHV x1 PHY (DP/HDMI D) | |
1587 | * IOSF_PORT_DPIO_2 is used for CHV x2 PHY (DP/HDMI B and C) | |
1588 | */ | |
1589 | if (IS_CHERRYVIEW(dev)) { | |
1590 | DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO_2; | |
1591 | DPIO_PHY_IOSF_PORT(DPIO_PHY1) = IOSF_PORT_DPIO; | |
1592 | } else { | |
1593 | DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO; | |
1594 | } | |
5382f5f3 JB |
1595 | } |
1596 | ||
d288f65f | 1597 | static void vlv_enable_pll(struct intel_crtc *crtc, |
5cec258b | 1598 | const struct intel_crtc_state *pipe_config) |
87442f73 | 1599 | { |
426115cf DV |
1600 | struct drm_device *dev = crtc->base.dev; |
1601 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1602 | int reg = DPLL(crtc->pipe); | |
d288f65f | 1603 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
87442f73 | 1604 | |
426115cf | 1605 | assert_pipe_disabled(dev_priv, crtc->pipe); |
87442f73 DV |
1606 | |
1607 | /* No really, not for ILK+ */ | |
1608 | BUG_ON(!IS_VALLEYVIEW(dev_priv->dev)); | |
1609 | ||
1610 | /* PLL is protected by panel, make sure we can write it */ | |
6a9e7363 | 1611 | if (IS_MOBILE(dev_priv->dev)) |
426115cf | 1612 | assert_panel_unlocked(dev_priv, crtc->pipe); |
87442f73 | 1613 | |
426115cf DV |
1614 | I915_WRITE(reg, dpll); |
1615 | POSTING_READ(reg); | |
1616 | udelay(150); | |
1617 | ||
1618 | if (wait_for(((I915_READ(reg) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) | |
1619 | DRM_ERROR("DPLL %d failed to lock\n", crtc->pipe); | |
1620 | ||
d288f65f | 1621 | I915_WRITE(DPLL_MD(crtc->pipe), pipe_config->dpll_hw_state.dpll_md); |
426115cf | 1622 | POSTING_READ(DPLL_MD(crtc->pipe)); |
87442f73 DV |
1623 | |
1624 | /* We do this three times for luck */ | |
426115cf | 1625 | I915_WRITE(reg, dpll); |
87442f73 DV |
1626 | POSTING_READ(reg); |
1627 | udelay(150); /* wait for warmup */ | |
426115cf | 1628 | I915_WRITE(reg, dpll); |
87442f73 DV |
1629 | POSTING_READ(reg); |
1630 | udelay(150); /* wait for warmup */ | |
426115cf | 1631 | I915_WRITE(reg, dpll); |
87442f73 DV |
1632 | POSTING_READ(reg); |
1633 | udelay(150); /* wait for warmup */ | |
1634 | } | |
1635 | ||
d288f65f | 1636 | static void chv_enable_pll(struct intel_crtc *crtc, |
5cec258b | 1637 | const struct intel_crtc_state *pipe_config) |
9d556c99 CML |
1638 | { |
1639 | struct drm_device *dev = crtc->base.dev; | |
1640 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1641 | int pipe = crtc->pipe; | |
1642 | enum dpio_channel port = vlv_pipe_to_channel(pipe); | |
9d556c99 CML |
1643 | u32 tmp; |
1644 | ||
1645 | assert_pipe_disabled(dev_priv, crtc->pipe); | |
1646 | ||
1647 | BUG_ON(!IS_CHERRYVIEW(dev_priv->dev)); | |
1648 | ||
a580516d | 1649 | mutex_lock(&dev_priv->sb_lock); |
9d556c99 CML |
1650 | |
1651 | /* Enable back the 10bit clock to display controller */ | |
1652 | tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); | |
1653 | tmp |= DPIO_DCLKP_EN; | |
1654 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), tmp); | |
1655 | ||
54433e91 VS |
1656 | mutex_unlock(&dev_priv->sb_lock); |
1657 | ||
9d556c99 CML |
1658 | /* |
1659 | * Need to wait > 100ns between dclkp clock enable bit and PLL enable. | |
1660 | */ | |
1661 | udelay(1); | |
1662 | ||
1663 | /* Enable PLL */ | |
d288f65f | 1664 | I915_WRITE(DPLL(pipe), pipe_config->dpll_hw_state.dpll); |
9d556c99 CML |
1665 | |
1666 | /* Check PLL is locked */ | |
a11b0703 | 1667 | if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) |
9d556c99 CML |
1668 | DRM_ERROR("PLL %d failed to lock\n", pipe); |
1669 | ||
a11b0703 | 1670 | /* not sure when this should be written */ |
d288f65f | 1671 | I915_WRITE(DPLL_MD(pipe), pipe_config->dpll_hw_state.dpll_md); |
a11b0703 | 1672 | POSTING_READ(DPLL_MD(pipe)); |
9d556c99 CML |
1673 | } |
1674 | ||
1c4e0274 VS |
1675 | static int intel_num_dvo_pipes(struct drm_device *dev) |
1676 | { | |
1677 | struct intel_crtc *crtc; | |
1678 | int count = 0; | |
1679 | ||
1680 | for_each_intel_crtc(dev, crtc) | |
3538b9df | 1681 | count += crtc->base.state->active && |
409ee761 | 1682 | intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO); |
1c4e0274 VS |
1683 | |
1684 | return count; | |
1685 | } | |
1686 | ||
66e3d5c0 | 1687 | static void i9xx_enable_pll(struct intel_crtc *crtc) |
63d7bbe9 | 1688 | { |
66e3d5c0 DV |
1689 | struct drm_device *dev = crtc->base.dev; |
1690 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1691 | int reg = DPLL(crtc->pipe); | |
6e3c9717 | 1692 | u32 dpll = crtc->config->dpll_hw_state.dpll; |
63d7bbe9 | 1693 | |
66e3d5c0 | 1694 | assert_pipe_disabled(dev_priv, crtc->pipe); |
58c6eaa2 | 1695 | |
63d7bbe9 | 1696 | /* No really, not for ILK+ */ |
3d13ef2e | 1697 | BUG_ON(INTEL_INFO(dev)->gen >= 5); |
63d7bbe9 JB |
1698 | |
1699 | /* PLL is protected by panel, make sure we can write it */ | |
66e3d5c0 DV |
1700 | if (IS_MOBILE(dev) && !IS_I830(dev)) |
1701 | assert_panel_unlocked(dev_priv, crtc->pipe); | |
63d7bbe9 | 1702 | |
1c4e0274 VS |
1703 | /* Enable DVO 2x clock on both PLLs if necessary */ |
1704 | if (IS_I830(dev) && intel_num_dvo_pipes(dev) > 0) { | |
1705 | /* | |
1706 | * It appears to be important that we don't enable this | |
1707 | * for the current pipe before otherwise configuring the | |
1708 | * PLL. No idea how this should be handled if multiple | |
1709 | * DVO outputs are enabled simultaneosly. | |
1710 | */ | |
1711 | dpll |= DPLL_DVO_2X_MODE; | |
1712 | I915_WRITE(DPLL(!crtc->pipe), | |
1713 | I915_READ(DPLL(!crtc->pipe)) | DPLL_DVO_2X_MODE); | |
1714 | } | |
66e3d5c0 DV |
1715 | |
1716 | /* Wait for the clocks to stabilize. */ | |
1717 | POSTING_READ(reg); | |
1718 | udelay(150); | |
1719 | ||
1720 | if (INTEL_INFO(dev)->gen >= 4) { | |
1721 | I915_WRITE(DPLL_MD(crtc->pipe), | |
6e3c9717 | 1722 | crtc->config->dpll_hw_state.dpll_md); |
66e3d5c0 DV |
1723 | } else { |
1724 | /* The pixel multiplier can only be updated once the | |
1725 | * DPLL is enabled and the clocks are stable. | |
1726 | * | |
1727 | * So write it again. | |
1728 | */ | |
1729 | I915_WRITE(reg, dpll); | |
1730 | } | |
63d7bbe9 JB |
1731 | |
1732 | /* We do this three times for luck */ | |
66e3d5c0 | 1733 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1734 | POSTING_READ(reg); |
1735 | udelay(150); /* wait for warmup */ | |
66e3d5c0 | 1736 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1737 | POSTING_READ(reg); |
1738 | udelay(150); /* wait for warmup */ | |
66e3d5c0 | 1739 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1740 | POSTING_READ(reg); |
1741 | udelay(150); /* wait for warmup */ | |
1742 | } | |
1743 | ||
1744 | /** | |
50b44a44 | 1745 | * i9xx_disable_pll - disable a PLL |
63d7bbe9 JB |
1746 | * @dev_priv: i915 private structure |
1747 | * @pipe: pipe PLL to disable | |
1748 | * | |
1749 | * Disable the PLL for @pipe, making sure the pipe is off first. | |
1750 | * | |
1751 | * Note! This is for pre-ILK only. | |
1752 | */ | |
1c4e0274 | 1753 | static void i9xx_disable_pll(struct intel_crtc *crtc) |
63d7bbe9 | 1754 | { |
1c4e0274 VS |
1755 | struct drm_device *dev = crtc->base.dev; |
1756 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1757 | enum pipe pipe = crtc->pipe; | |
1758 | ||
1759 | /* Disable DVO 2x clock on both PLLs if necessary */ | |
1760 | if (IS_I830(dev) && | |
409ee761 | 1761 | intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO) && |
3538b9df | 1762 | !intel_num_dvo_pipes(dev)) { |
1c4e0274 VS |
1763 | I915_WRITE(DPLL(PIPE_B), |
1764 | I915_READ(DPLL(PIPE_B)) & ~DPLL_DVO_2X_MODE); | |
1765 | I915_WRITE(DPLL(PIPE_A), | |
1766 | I915_READ(DPLL(PIPE_A)) & ~DPLL_DVO_2X_MODE); | |
1767 | } | |
1768 | ||
b6b5d049 VS |
1769 | /* Don't disable pipe or pipe PLLs if needed */ |
1770 | if ((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
1771 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
63d7bbe9 JB |
1772 | return; |
1773 | ||
1774 | /* Make sure the pipe isn't still relying on us */ | |
1775 | assert_pipe_disabled(dev_priv, pipe); | |
1776 | ||
50b44a44 DV |
1777 | I915_WRITE(DPLL(pipe), 0); |
1778 | POSTING_READ(DPLL(pipe)); | |
63d7bbe9 JB |
1779 | } |
1780 | ||
f6071166 JB |
1781 | static void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) |
1782 | { | |
1783 | u32 val = 0; | |
1784 | ||
1785 | /* Make sure the pipe isn't still relying on us */ | |
1786 | assert_pipe_disabled(dev_priv, pipe); | |
1787 | ||
e5cbfbfb ID |
1788 | /* |
1789 | * Leave integrated clock source and reference clock enabled for pipe B. | |
1790 | * The latter is needed for VGA hotplug / manual detection. | |
1791 | */ | |
f6071166 | 1792 | if (pipe == PIPE_B) |
e5cbfbfb | 1793 | val = DPLL_INTEGRATED_CRI_CLK_VLV | DPLL_REFA_CLK_ENABLE_VLV; |
f6071166 JB |
1794 | I915_WRITE(DPLL(pipe), val); |
1795 | POSTING_READ(DPLL(pipe)); | |
076ed3b2 CML |
1796 | |
1797 | } | |
1798 | ||
1799 | static void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) | |
1800 | { | |
d752048d | 1801 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
076ed3b2 CML |
1802 | u32 val; |
1803 | ||
a11b0703 VS |
1804 | /* Make sure the pipe isn't still relying on us */ |
1805 | assert_pipe_disabled(dev_priv, pipe); | |
076ed3b2 | 1806 | |
a11b0703 | 1807 | /* Set PLL en = 0 */ |
d17ec4ce | 1808 | val = DPLL_SSC_REF_CLOCK_CHV | DPLL_REFA_CLK_ENABLE_VLV; |
a11b0703 VS |
1809 | if (pipe != PIPE_A) |
1810 | val |= DPLL_INTEGRATED_CRI_CLK_VLV; | |
1811 | I915_WRITE(DPLL(pipe), val); | |
1812 | POSTING_READ(DPLL(pipe)); | |
d752048d | 1813 | |
a580516d | 1814 | mutex_lock(&dev_priv->sb_lock); |
d752048d VS |
1815 | |
1816 | /* Disable 10bit clock to display controller */ | |
1817 | val = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); | |
1818 | val &= ~DPIO_DCLKP_EN; | |
1819 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), val); | |
1820 | ||
61407f6d VS |
1821 | /* disable left/right clock distribution */ |
1822 | if (pipe != PIPE_B) { | |
1823 | val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0); | |
1824 | val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK); | |
1825 | vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val); | |
1826 | } else { | |
1827 | val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1); | |
1828 | val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK); | |
1829 | vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val); | |
1830 | } | |
1831 | ||
a580516d | 1832 | mutex_unlock(&dev_priv->sb_lock); |
f6071166 JB |
1833 | } |
1834 | ||
e4607fcf | 1835 | void vlv_wait_port_ready(struct drm_i915_private *dev_priv, |
9b6de0a1 VS |
1836 | struct intel_digital_port *dport, |
1837 | unsigned int expected_mask) | |
89b667f8 JB |
1838 | { |
1839 | u32 port_mask; | |
00fc31b7 | 1840 | int dpll_reg; |
89b667f8 | 1841 | |
e4607fcf CML |
1842 | switch (dport->port) { |
1843 | case PORT_B: | |
89b667f8 | 1844 | port_mask = DPLL_PORTB_READY_MASK; |
00fc31b7 | 1845 | dpll_reg = DPLL(0); |
e4607fcf CML |
1846 | break; |
1847 | case PORT_C: | |
89b667f8 | 1848 | port_mask = DPLL_PORTC_READY_MASK; |
00fc31b7 | 1849 | dpll_reg = DPLL(0); |
9b6de0a1 | 1850 | expected_mask <<= 4; |
00fc31b7 CML |
1851 | break; |
1852 | case PORT_D: | |
1853 | port_mask = DPLL_PORTD_READY_MASK; | |
1854 | dpll_reg = DPIO_PHY_STATUS; | |
e4607fcf CML |
1855 | break; |
1856 | default: | |
1857 | BUG(); | |
1858 | } | |
89b667f8 | 1859 | |
9b6de0a1 VS |
1860 | if (wait_for((I915_READ(dpll_reg) & port_mask) == expected_mask, 1000)) |
1861 | WARN(1, "timed out waiting for port %c ready: got 0x%x, expected 0x%x\n", | |
1862 | port_name(dport->port), I915_READ(dpll_reg) & port_mask, expected_mask); | |
89b667f8 JB |
1863 | } |
1864 | ||
b14b1055 DV |
1865 | static void intel_prepare_shared_dpll(struct intel_crtc *crtc) |
1866 | { | |
1867 | struct drm_device *dev = crtc->base.dev; | |
1868 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1869 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); | |
1870 | ||
be19f0ff CW |
1871 | if (WARN_ON(pll == NULL)) |
1872 | return; | |
1873 | ||
3e369b76 | 1874 | WARN_ON(!pll->config.crtc_mask); |
b14b1055 DV |
1875 | if (pll->active == 0) { |
1876 | DRM_DEBUG_DRIVER("setting up %s\n", pll->name); | |
1877 | WARN_ON(pll->on); | |
1878 | assert_shared_dpll_disabled(dev_priv, pll); | |
1879 | ||
1880 | pll->mode_set(dev_priv, pll); | |
1881 | } | |
1882 | } | |
1883 | ||
92f2584a | 1884 | /** |
85b3894f | 1885 | * intel_enable_shared_dpll - enable PCH PLL |
92f2584a JB |
1886 | * @dev_priv: i915 private structure |
1887 | * @pipe: pipe PLL to enable | |
1888 | * | |
1889 | * The PCH PLL needs to be enabled before the PCH transcoder, since it | |
1890 | * drives the transcoder clock. | |
1891 | */ | |
85b3894f | 1892 | static void intel_enable_shared_dpll(struct intel_crtc *crtc) |
92f2584a | 1893 | { |
3d13ef2e DL |
1894 | struct drm_device *dev = crtc->base.dev; |
1895 | struct drm_i915_private *dev_priv = dev->dev_private; | |
e2b78267 | 1896 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
92f2584a | 1897 | |
87a875bb | 1898 | if (WARN_ON(pll == NULL)) |
48da64a8 CW |
1899 | return; |
1900 | ||
3e369b76 | 1901 | if (WARN_ON(pll->config.crtc_mask == 0)) |
48da64a8 | 1902 | return; |
ee7b9f93 | 1903 | |
74dd6928 | 1904 | DRM_DEBUG_KMS("enable %s (active %d, on? %d) for crtc %d\n", |
46edb027 | 1905 | pll->name, pll->active, pll->on, |
e2b78267 | 1906 | crtc->base.base.id); |
92f2584a | 1907 | |
cdbd2316 DV |
1908 | if (pll->active++) { |
1909 | WARN_ON(!pll->on); | |
e9d6944e | 1910 | assert_shared_dpll_enabled(dev_priv, pll); |
ee7b9f93 JB |
1911 | return; |
1912 | } | |
f4a091c7 | 1913 | WARN_ON(pll->on); |
ee7b9f93 | 1914 | |
bd2bb1b9 PZ |
1915 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); |
1916 | ||
46edb027 | 1917 | DRM_DEBUG_KMS("enabling %s\n", pll->name); |
e7b903d2 | 1918 | pll->enable(dev_priv, pll); |
ee7b9f93 | 1919 | pll->on = true; |
92f2584a JB |
1920 | } |
1921 | ||
f6daaec2 | 1922 | static void intel_disable_shared_dpll(struct intel_crtc *crtc) |
92f2584a | 1923 | { |
3d13ef2e DL |
1924 | struct drm_device *dev = crtc->base.dev; |
1925 | struct drm_i915_private *dev_priv = dev->dev_private; | |
e2b78267 | 1926 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
4c609cb8 | 1927 | |
92f2584a | 1928 | /* PCH only available on ILK+ */ |
3d13ef2e | 1929 | BUG_ON(INTEL_INFO(dev)->gen < 5); |
eddfcbcd ML |
1930 | if (pll == NULL) |
1931 | return; | |
92f2584a | 1932 | |
eddfcbcd | 1933 | if (WARN_ON(!(pll->config.crtc_mask & (1 << drm_crtc_index(&crtc->base))))) |
48da64a8 | 1934 | return; |
7a419866 | 1935 | |
46edb027 DV |
1936 | DRM_DEBUG_KMS("disable %s (active %d, on? %d) for crtc %d\n", |
1937 | pll->name, pll->active, pll->on, | |
e2b78267 | 1938 | crtc->base.base.id); |
7a419866 | 1939 | |
48da64a8 | 1940 | if (WARN_ON(pll->active == 0)) { |
e9d6944e | 1941 | assert_shared_dpll_disabled(dev_priv, pll); |
48da64a8 CW |
1942 | return; |
1943 | } | |
1944 | ||
e9d6944e | 1945 | assert_shared_dpll_enabled(dev_priv, pll); |
f4a091c7 | 1946 | WARN_ON(!pll->on); |
cdbd2316 | 1947 | if (--pll->active) |
7a419866 | 1948 | return; |
ee7b9f93 | 1949 | |
46edb027 | 1950 | DRM_DEBUG_KMS("disabling %s\n", pll->name); |
e7b903d2 | 1951 | pll->disable(dev_priv, pll); |
ee7b9f93 | 1952 | pll->on = false; |
bd2bb1b9 PZ |
1953 | |
1954 | intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); | |
92f2584a JB |
1955 | } |
1956 | ||
b8a4f404 PZ |
1957 | static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
1958 | enum pipe pipe) | |
040484af | 1959 | { |
23670b32 | 1960 | struct drm_device *dev = dev_priv->dev; |
7c26e5c6 | 1961 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
e2b78267 | 1962 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
23670b32 | 1963 | uint32_t reg, val, pipeconf_val; |
040484af JB |
1964 | |
1965 | /* PCH only available on ILK+ */ | |
55522f37 | 1966 | BUG_ON(!HAS_PCH_SPLIT(dev)); |
040484af JB |
1967 | |
1968 | /* Make sure PCH DPLL is enabled */ | |
e72f9fbf | 1969 | assert_shared_dpll_enabled(dev_priv, |
e9d6944e | 1970 | intel_crtc_to_shared_dpll(intel_crtc)); |
040484af JB |
1971 | |
1972 | /* FDI must be feeding us bits for PCH ports */ | |
1973 | assert_fdi_tx_enabled(dev_priv, pipe); | |
1974 | assert_fdi_rx_enabled(dev_priv, pipe); | |
1975 | ||
23670b32 DV |
1976 | if (HAS_PCH_CPT(dev)) { |
1977 | /* Workaround: Set the timing override bit before enabling the | |
1978 | * pch transcoder. */ | |
1979 | reg = TRANS_CHICKEN2(pipe); | |
1980 | val = I915_READ(reg); | |
1981 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; | |
1982 | I915_WRITE(reg, val); | |
59c859d6 | 1983 | } |
23670b32 | 1984 | |
ab9412ba | 1985 | reg = PCH_TRANSCONF(pipe); |
040484af | 1986 | val = I915_READ(reg); |
5f7f726d | 1987 | pipeconf_val = I915_READ(PIPECONF(pipe)); |
e9bcff5c JB |
1988 | |
1989 | if (HAS_PCH_IBX(dev_priv->dev)) { | |
1990 | /* | |
c5de7c6f VS |
1991 | * Make the BPC in transcoder be consistent with |
1992 | * that in pipeconf reg. For HDMI we must use 8bpc | |
1993 | * here for both 8bpc and 12bpc. | |
e9bcff5c | 1994 | */ |
dfd07d72 | 1995 | val &= ~PIPECONF_BPC_MASK; |
c5de7c6f VS |
1996 | if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_HDMI)) |
1997 | val |= PIPECONF_8BPC; | |
1998 | else | |
1999 | val |= pipeconf_val & PIPECONF_BPC_MASK; | |
e9bcff5c | 2000 | } |
5f7f726d PZ |
2001 | |
2002 | val &= ~TRANS_INTERLACE_MASK; | |
2003 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK) == PIPECONF_INTERLACED_ILK) | |
7c26e5c6 | 2004 | if (HAS_PCH_IBX(dev_priv->dev) && |
409ee761 | 2005 | intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
7c26e5c6 PZ |
2006 | val |= TRANS_LEGACY_INTERLACED_ILK; |
2007 | else | |
2008 | val |= TRANS_INTERLACED; | |
5f7f726d PZ |
2009 | else |
2010 | val |= TRANS_PROGRESSIVE; | |
2011 | ||
040484af JB |
2012 | I915_WRITE(reg, val | TRANS_ENABLE); |
2013 | if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100)) | |
4bb6f1f3 | 2014 | DRM_ERROR("failed to enable transcoder %c\n", pipe_name(pipe)); |
040484af JB |
2015 | } |
2016 | ||
8fb033d7 | 2017 | static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
937bb610 | 2018 | enum transcoder cpu_transcoder) |
040484af | 2019 | { |
8fb033d7 | 2020 | u32 val, pipeconf_val; |
8fb033d7 PZ |
2021 | |
2022 | /* PCH only available on ILK+ */ | |
55522f37 | 2023 | BUG_ON(!HAS_PCH_SPLIT(dev_priv->dev)); |
8fb033d7 | 2024 | |
8fb033d7 | 2025 | /* FDI must be feeding us bits for PCH ports */ |
1a240d4d | 2026 | assert_fdi_tx_enabled(dev_priv, (enum pipe) cpu_transcoder); |
937bb610 | 2027 | assert_fdi_rx_enabled(dev_priv, TRANSCODER_A); |
8fb033d7 | 2028 | |
223a6fdf PZ |
2029 | /* Workaround: set timing override bit. */ |
2030 | val = I915_READ(_TRANSA_CHICKEN2); | |
23670b32 | 2031 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; |
223a6fdf PZ |
2032 | I915_WRITE(_TRANSA_CHICKEN2, val); |
2033 | ||
25f3ef11 | 2034 | val = TRANS_ENABLE; |
937bb610 | 2035 | pipeconf_val = I915_READ(PIPECONF(cpu_transcoder)); |
8fb033d7 | 2036 | |
9a76b1c6 PZ |
2037 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK_HSW) == |
2038 | PIPECONF_INTERLACED_ILK) | |
a35f2679 | 2039 | val |= TRANS_INTERLACED; |
8fb033d7 PZ |
2040 | else |
2041 | val |= TRANS_PROGRESSIVE; | |
2042 | ||
ab9412ba DV |
2043 | I915_WRITE(LPT_TRANSCONF, val); |
2044 | if (wait_for(I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE, 100)) | |
937bb610 | 2045 | DRM_ERROR("Failed to enable PCH transcoder\n"); |
8fb033d7 PZ |
2046 | } |
2047 | ||
b8a4f404 PZ |
2048 | static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv, |
2049 | enum pipe pipe) | |
040484af | 2050 | { |
23670b32 DV |
2051 | struct drm_device *dev = dev_priv->dev; |
2052 | uint32_t reg, val; | |
040484af JB |
2053 | |
2054 | /* FDI relies on the transcoder */ | |
2055 | assert_fdi_tx_disabled(dev_priv, pipe); | |
2056 | assert_fdi_rx_disabled(dev_priv, pipe); | |
2057 | ||
291906f1 JB |
2058 | /* Ports must be off as well */ |
2059 | assert_pch_ports_disabled(dev_priv, pipe); | |
2060 | ||
ab9412ba | 2061 | reg = PCH_TRANSCONF(pipe); |
040484af JB |
2062 | val = I915_READ(reg); |
2063 | val &= ~TRANS_ENABLE; | |
2064 | I915_WRITE(reg, val); | |
2065 | /* wait for PCH transcoder off, transcoder state */ | |
2066 | if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50)) | |
4bb6f1f3 | 2067 | DRM_ERROR("failed to disable transcoder %c\n", pipe_name(pipe)); |
23670b32 DV |
2068 | |
2069 | if (!HAS_PCH_IBX(dev)) { | |
2070 | /* Workaround: Clear the timing override chicken bit again. */ | |
2071 | reg = TRANS_CHICKEN2(pipe); | |
2072 | val = I915_READ(reg); | |
2073 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; | |
2074 | I915_WRITE(reg, val); | |
2075 | } | |
040484af JB |
2076 | } |
2077 | ||
ab4d966c | 2078 | static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv) |
8fb033d7 | 2079 | { |
8fb033d7 PZ |
2080 | u32 val; |
2081 | ||
ab9412ba | 2082 | val = I915_READ(LPT_TRANSCONF); |
8fb033d7 | 2083 | val &= ~TRANS_ENABLE; |
ab9412ba | 2084 | I915_WRITE(LPT_TRANSCONF, val); |
8fb033d7 | 2085 | /* wait for PCH transcoder off, transcoder state */ |
ab9412ba | 2086 | if (wait_for((I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE) == 0, 50)) |
8a52fd9f | 2087 | DRM_ERROR("Failed to disable PCH transcoder\n"); |
223a6fdf PZ |
2088 | |
2089 | /* Workaround: clear timing override bit. */ | |
2090 | val = I915_READ(_TRANSA_CHICKEN2); | |
23670b32 | 2091 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; |
223a6fdf | 2092 | I915_WRITE(_TRANSA_CHICKEN2, val); |
040484af JB |
2093 | } |
2094 | ||
b24e7179 | 2095 | /** |
309cfea8 | 2096 | * intel_enable_pipe - enable a pipe, asserting requirements |
0372264a | 2097 | * @crtc: crtc responsible for the pipe |
b24e7179 | 2098 | * |
0372264a | 2099 | * Enable @crtc's pipe, making sure that various hardware specific requirements |
b24e7179 | 2100 | * are met, if applicable, e.g. PLL enabled, LVDS pairs enabled, etc. |
b24e7179 | 2101 | */ |
e1fdc473 | 2102 | static void intel_enable_pipe(struct intel_crtc *crtc) |
b24e7179 | 2103 | { |
0372264a PZ |
2104 | struct drm_device *dev = crtc->base.dev; |
2105 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2106 | enum pipe pipe = crtc->pipe; | |
702e7a56 PZ |
2107 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
2108 | pipe); | |
1a240d4d | 2109 | enum pipe pch_transcoder; |
b24e7179 JB |
2110 | int reg; |
2111 | u32 val; | |
2112 | ||
58c6eaa2 | 2113 | assert_planes_disabled(dev_priv, pipe); |
93ce0ba6 | 2114 | assert_cursor_disabled(dev_priv, pipe); |
58c6eaa2 DV |
2115 | assert_sprites_disabled(dev_priv, pipe); |
2116 | ||
681e5811 | 2117 | if (HAS_PCH_LPT(dev_priv->dev)) |
cc391bbb PZ |
2118 | pch_transcoder = TRANSCODER_A; |
2119 | else | |
2120 | pch_transcoder = pipe; | |
2121 | ||
b24e7179 JB |
2122 | /* |
2123 | * A pipe without a PLL won't actually be able to drive bits from | |
2124 | * a plane. On ILK+ the pipe PLLs are integrated, so we don't | |
2125 | * need the check. | |
2126 | */ | |
50360403 | 2127 | if (HAS_GMCH_DISPLAY(dev_priv->dev)) |
409ee761 | 2128 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI)) |
23538ef1 JN |
2129 | assert_dsi_pll_enabled(dev_priv); |
2130 | else | |
2131 | assert_pll_enabled(dev_priv, pipe); | |
040484af | 2132 | else { |
6e3c9717 | 2133 | if (crtc->config->has_pch_encoder) { |
040484af | 2134 | /* if driving the PCH, we need FDI enabled */ |
cc391bbb | 2135 | assert_fdi_rx_pll_enabled(dev_priv, pch_transcoder); |
1a240d4d DV |
2136 | assert_fdi_tx_pll_enabled(dev_priv, |
2137 | (enum pipe) cpu_transcoder); | |
040484af JB |
2138 | } |
2139 | /* FIXME: assert CPU port conditions for SNB+ */ | |
2140 | } | |
b24e7179 | 2141 | |
702e7a56 | 2142 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 2143 | val = I915_READ(reg); |
7ad25d48 | 2144 | if (val & PIPECONF_ENABLE) { |
b6b5d049 VS |
2145 | WARN_ON(!((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
2146 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE))); | |
00d70b15 | 2147 | return; |
7ad25d48 | 2148 | } |
00d70b15 CW |
2149 | |
2150 | I915_WRITE(reg, val | PIPECONF_ENABLE); | |
851855d8 | 2151 | POSTING_READ(reg); |
b24e7179 JB |
2152 | } |
2153 | ||
2154 | /** | |
309cfea8 | 2155 | * intel_disable_pipe - disable a pipe, asserting requirements |
575f7ab7 | 2156 | * @crtc: crtc whose pipes is to be disabled |
b24e7179 | 2157 | * |
575f7ab7 VS |
2158 | * Disable the pipe of @crtc, making sure that various hardware |
2159 | * specific requirements are met, if applicable, e.g. plane | |
2160 | * disabled, panel fitter off, etc. | |
b24e7179 JB |
2161 | * |
2162 | * Will wait until the pipe has shut down before returning. | |
2163 | */ | |
575f7ab7 | 2164 | static void intel_disable_pipe(struct intel_crtc *crtc) |
b24e7179 | 2165 | { |
575f7ab7 | 2166 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
6e3c9717 | 2167 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
575f7ab7 | 2168 | enum pipe pipe = crtc->pipe; |
b24e7179 JB |
2169 | int reg; |
2170 | u32 val; | |
2171 | ||
2172 | /* | |
2173 | * Make sure planes won't keep trying to pump pixels to us, | |
2174 | * or we might hang the display. | |
2175 | */ | |
2176 | assert_planes_disabled(dev_priv, pipe); | |
93ce0ba6 | 2177 | assert_cursor_disabled(dev_priv, pipe); |
19332d7a | 2178 | assert_sprites_disabled(dev_priv, pipe); |
b24e7179 | 2179 | |
702e7a56 | 2180 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 2181 | val = I915_READ(reg); |
00d70b15 CW |
2182 | if ((val & PIPECONF_ENABLE) == 0) |
2183 | return; | |
2184 | ||
67adc644 VS |
2185 | /* |
2186 | * Double wide has implications for planes | |
2187 | * so best keep it disabled when not needed. | |
2188 | */ | |
6e3c9717 | 2189 | if (crtc->config->double_wide) |
67adc644 VS |
2190 | val &= ~PIPECONF_DOUBLE_WIDE; |
2191 | ||
2192 | /* Don't disable pipe or pipe PLLs if needed */ | |
b6b5d049 VS |
2193 | if (!(pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) && |
2194 | !(pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
67adc644 VS |
2195 | val &= ~PIPECONF_ENABLE; |
2196 | ||
2197 | I915_WRITE(reg, val); | |
2198 | if ((val & PIPECONF_ENABLE) == 0) | |
2199 | intel_wait_for_pipe_off(crtc); | |
b24e7179 JB |
2200 | } |
2201 | ||
693db184 CW |
2202 | static bool need_vtd_wa(struct drm_device *dev) |
2203 | { | |
2204 | #ifdef CONFIG_INTEL_IOMMU | |
2205 | if (INTEL_INFO(dev)->gen >= 6 && intel_iommu_gfx_mapped) | |
2206 | return true; | |
2207 | #endif | |
2208 | return false; | |
2209 | } | |
2210 | ||
50470bb0 | 2211 | unsigned int |
6761dd31 TU |
2212 | intel_tile_height(struct drm_device *dev, uint32_t pixel_format, |
2213 | uint64_t fb_format_modifier) | |
a57ce0b2 | 2214 | { |
6761dd31 TU |
2215 | unsigned int tile_height; |
2216 | uint32_t pixel_bytes; | |
a57ce0b2 | 2217 | |
b5d0e9bf DL |
2218 | switch (fb_format_modifier) { |
2219 | case DRM_FORMAT_MOD_NONE: | |
2220 | tile_height = 1; | |
2221 | break; | |
2222 | case I915_FORMAT_MOD_X_TILED: | |
2223 | tile_height = IS_GEN2(dev) ? 16 : 8; | |
2224 | break; | |
2225 | case I915_FORMAT_MOD_Y_TILED: | |
2226 | tile_height = 32; | |
2227 | break; | |
2228 | case I915_FORMAT_MOD_Yf_TILED: | |
6761dd31 TU |
2229 | pixel_bytes = drm_format_plane_cpp(pixel_format, 0); |
2230 | switch (pixel_bytes) { | |
b5d0e9bf | 2231 | default: |
6761dd31 | 2232 | case 1: |
b5d0e9bf DL |
2233 | tile_height = 64; |
2234 | break; | |
6761dd31 TU |
2235 | case 2: |
2236 | case 4: | |
b5d0e9bf DL |
2237 | tile_height = 32; |
2238 | break; | |
6761dd31 | 2239 | case 8: |
b5d0e9bf DL |
2240 | tile_height = 16; |
2241 | break; | |
6761dd31 | 2242 | case 16: |
b5d0e9bf DL |
2243 | WARN_ONCE(1, |
2244 | "128-bit pixels are not supported for display!"); | |
2245 | tile_height = 16; | |
2246 | break; | |
2247 | } | |
2248 | break; | |
2249 | default: | |
2250 | MISSING_CASE(fb_format_modifier); | |
2251 | tile_height = 1; | |
2252 | break; | |
2253 | } | |
091df6cb | 2254 | |
6761dd31 TU |
2255 | return tile_height; |
2256 | } | |
2257 | ||
2258 | unsigned int | |
2259 | intel_fb_align_height(struct drm_device *dev, unsigned int height, | |
2260 | uint32_t pixel_format, uint64_t fb_format_modifier) | |
2261 | { | |
2262 | return ALIGN(height, intel_tile_height(dev, pixel_format, | |
2263 | fb_format_modifier)); | |
a57ce0b2 JB |
2264 | } |
2265 | ||
f64b98cd TU |
2266 | static int |
2267 | intel_fill_fb_ggtt_view(struct i915_ggtt_view *view, struct drm_framebuffer *fb, | |
2268 | const struct drm_plane_state *plane_state) | |
2269 | { | |
50470bb0 | 2270 | struct intel_rotation_info *info = &view->rotation_info; |
50470bb0 | 2271 | |
f64b98cd TU |
2272 | *view = i915_ggtt_view_normal; |
2273 | ||
50470bb0 TU |
2274 | if (!plane_state) |
2275 | return 0; | |
2276 | ||
121920fa | 2277 | if (!intel_rotation_90_or_270(plane_state->rotation)) |
50470bb0 TU |
2278 | return 0; |
2279 | ||
9abc4648 | 2280 | *view = i915_ggtt_view_rotated; |
50470bb0 TU |
2281 | |
2282 | info->height = fb->height; | |
2283 | info->pixel_format = fb->pixel_format; | |
2284 | info->pitch = fb->pitches[0]; | |
2285 | info->fb_modifier = fb->modifier[0]; | |
2286 | ||
f64b98cd TU |
2287 | return 0; |
2288 | } | |
2289 | ||
4e9a86b6 VS |
2290 | static unsigned int intel_linear_alignment(struct drm_i915_private *dev_priv) |
2291 | { | |
2292 | if (INTEL_INFO(dev_priv)->gen >= 9) | |
2293 | return 256 * 1024; | |
985b8bb4 VS |
2294 | else if (IS_BROADWATER(dev_priv) || IS_CRESTLINE(dev_priv) || |
2295 | IS_VALLEYVIEW(dev_priv)) | |
4e9a86b6 VS |
2296 | return 128 * 1024; |
2297 | else if (INTEL_INFO(dev_priv)->gen >= 4) | |
2298 | return 4 * 1024; | |
2299 | else | |
44c5905e | 2300 | return 0; |
4e9a86b6 VS |
2301 | } |
2302 | ||
127bd2ac | 2303 | int |
850c4cdc TU |
2304 | intel_pin_and_fence_fb_obj(struct drm_plane *plane, |
2305 | struct drm_framebuffer *fb, | |
82bc3b2d | 2306 | const struct drm_plane_state *plane_state, |
91af127f JH |
2307 | struct intel_engine_cs *pipelined, |
2308 | struct drm_i915_gem_request **pipelined_request) | |
6b95a207 | 2309 | { |
850c4cdc | 2310 | struct drm_device *dev = fb->dev; |
ce453d81 | 2311 | struct drm_i915_private *dev_priv = dev->dev_private; |
850c4cdc | 2312 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
f64b98cd | 2313 | struct i915_ggtt_view view; |
6b95a207 KH |
2314 | u32 alignment; |
2315 | int ret; | |
2316 | ||
ebcdd39e MR |
2317 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
2318 | ||
7b911adc TU |
2319 | switch (fb->modifier[0]) { |
2320 | case DRM_FORMAT_MOD_NONE: | |
4e9a86b6 | 2321 | alignment = intel_linear_alignment(dev_priv); |
6b95a207 | 2322 | break; |
7b911adc | 2323 | case I915_FORMAT_MOD_X_TILED: |
1fada4cc DL |
2324 | if (INTEL_INFO(dev)->gen >= 9) |
2325 | alignment = 256 * 1024; | |
2326 | else { | |
2327 | /* pin() will align the object as required by fence */ | |
2328 | alignment = 0; | |
2329 | } | |
6b95a207 | 2330 | break; |
7b911adc | 2331 | case I915_FORMAT_MOD_Y_TILED: |
1327b9a1 DL |
2332 | case I915_FORMAT_MOD_Yf_TILED: |
2333 | if (WARN_ONCE(INTEL_INFO(dev)->gen < 9, | |
2334 | "Y tiling bo slipped through, driver bug!\n")) | |
2335 | return -EINVAL; | |
2336 | alignment = 1 * 1024 * 1024; | |
2337 | break; | |
6b95a207 | 2338 | default: |
7b911adc TU |
2339 | MISSING_CASE(fb->modifier[0]); |
2340 | return -EINVAL; | |
6b95a207 KH |
2341 | } |
2342 | ||
f64b98cd TU |
2343 | ret = intel_fill_fb_ggtt_view(&view, fb, plane_state); |
2344 | if (ret) | |
2345 | return ret; | |
2346 | ||
693db184 CW |
2347 | /* Note that the w/a also requires 64 PTE of padding following the |
2348 | * bo. We currently fill all unused PTE with the shadow page and so | |
2349 | * we should always have valid PTE following the scanout preventing | |
2350 | * the VT-d warning. | |
2351 | */ | |
2352 | if (need_vtd_wa(dev) && alignment < 256 * 1024) | |
2353 | alignment = 256 * 1024; | |
2354 | ||
d6dd6843 PZ |
2355 | /* |
2356 | * Global gtt pte registers are special registers which actually forward | |
2357 | * writes to a chunk of system memory. Which means that there is no risk | |
2358 | * that the register values disappear as soon as we call | |
2359 | * intel_runtime_pm_put(), so it is correct to wrap only the | |
2360 | * pin/unpin/fence and not more. | |
2361 | */ | |
2362 | intel_runtime_pm_get(dev_priv); | |
2363 | ||
ce453d81 | 2364 | dev_priv->mm.interruptible = false; |
e6617330 | 2365 | ret = i915_gem_object_pin_to_display_plane(obj, alignment, pipelined, |
91af127f | 2366 | pipelined_request, &view); |
48b956c5 | 2367 | if (ret) |
ce453d81 | 2368 | goto err_interruptible; |
6b95a207 KH |
2369 | |
2370 | /* Install a fence for tiled scan-out. Pre-i965 always needs a | |
2371 | * fence, whereas 965+ only requires a fence if using | |
2372 | * framebuffer compression. For simplicity, we always install | |
2373 | * a fence as the cost is not that onerous. | |
2374 | */ | |
06d98131 | 2375 | ret = i915_gem_object_get_fence(obj); |
9a5a53b3 CW |
2376 | if (ret) |
2377 | goto err_unpin; | |
1690e1eb | 2378 | |
9a5a53b3 | 2379 | i915_gem_object_pin_fence(obj); |
6b95a207 | 2380 | |
ce453d81 | 2381 | dev_priv->mm.interruptible = true; |
d6dd6843 | 2382 | intel_runtime_pm_put(dev_priv); |
6b95a207 | 2383 | return 0; |
48b956c5 CW |
2384 | |
2385 | err_unpin: | |
f64b98cd | 2386 | i915_gem_object_unpin_from_display_plane(obj, &view); |
ce453d81 CW |
2387 | err_interruptible: |
2388 | dev_priv->mm.interruptible = true; | |
d6dd6843 | 2389 | intel_runtime_pm_put(dev_priv); |
48b956c5 | 2390 | return ret; |
6b95a207 KH |
2391 | } |
2392 | ||
82bc3b2d TU |
2393 | static void intel_unpin_fb_obj(struct drm_framebuffer *fb, |
2394 | const struct drm_plane_state *plane_state) | |
1690e1eb | 2395 | { |
82bc3b2d | 2396 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
f64b98cd TU |
2397 | struct i915_ggtt_view view; |
2398 | int ret; | |
82bc3b2d | 2399 | |
ebcdd39e MR |
2400 | WARN_ON(!mutex_is_locked(&obj->base.dev->struct_mutex)); |
2401 | ||
f64b98cd TU |
2402 | ret = intel_fill_fb_ggtt_view(&view, fb, plane_state); |
2403 | WARN_ONCE(ret, "Couldn't get view from plane state!"); | |
2404 | ||
1690e1eb | 2405 | i915_gem_object_unpin_fence(obj); |
f64b98cd | 2406 | i915_gem_object_unpin_from_display_plane(obj, &view); |
1690e1eb CW |
2407 | } |
2408 | ||
c2c75131 DV |
2409 | /* Computes the linear offset to the base tile and adjusts x, y. bytes per pixel |
2410 | * is assumed to be a power-of-two. */ | |
4e9a86b6 VS |
2411 | unsigned long intel_gen4_compute_page_offset(struct drm_i915_private *dev_priv, |
2412 | int *x, int *y, | |
bc752862 CW |
2413 | unsigned int tiling_mode, |
2414 | unsigned int cpp, | |
2415 | unsigned int pitch) | |
c2c75131 | 2416 | { |
bc752862 CW |
2417 | if (tiling_mode != I915_TILING_NONE) { |
2418 | unsigned int tile_rows, tiles; | |
c2c75131 | 2419 | |
bc752862 CW |
2420 | tile_rows = *y / 8; |
2421 | *y %= 8; | |
c2c75131 | 2422 | |
bc752862 CW |
2423 | tiles = *x / (512/cpp); |
2424 | *x %= 512/cpp; | |
2425 | ||
2426 | return tile_rows * pitch * 8 + tiles * 4096; | |
2427 | } else { | |
4e9a86b6 | 2428 | unsigned int alignment = intel_linear_alignment(dev_priv) - 1; |
bc752862 CW |
2429 | unsigned int offset; |
2430 | ||
2431 | offset = *y * pitch + *x * cpp; | |
4e9a86b6 VS |
2432 | *y = (offset & alignment) / pitch; |
2433 | *x = ((offset & alignment) - *y * pitch) / cpp; | |
2434 | return offset & ~alignment; | |
bc752862 | 2435 | } |
c2c75131 DV |
2436 | } |
2437 | ||
b35d63fa | 2438 | static int i9xx_format_to_fourcc(int format) |
46f297fb JB |
2439 | { |
2440 | switch (format) { | |
2441 | case DISPPLANE_8BPP: | |
2442 | return DRM_FORMAT_C8; | |
2443 | case DISPPLANE_BGRX555: | |
2444 | return DRM_FORMAT_XRGB1555; | |
2445 | case DISPPLANE_BGRX565: | |
2446 | return DRM_FORMAT_RGB565; | |
2447 | default: | |
2448 | case DISPPLANE_BGRX888: | |
2449 | return DRM_FORMAT_XRGB8888; | |
2450 | case DISPPLANE_RGBX888: | |
2451 | return DRM_FORMAT_XBGR8888; | |
2452 | case DISPPLANE_BGRX101010: | |
2453 | return DRM_FORMAT_XRGB2101010; | |
2454 | case DISPPLANE_RGBX101010: | |
2455 | return DRM_FORMAT_XBGR2101010; | |
2456 | } | |
2457 | } | |
2458 | ||
bc8d7dff DL |
2459 | static int skl_format_to_fourcc(int format, bool rgb_order, bool alpha) |
2460 | { | |
2461 | switch (format) { | |
2462 | case PLANE_CTL_FORMAT_RGB_565: | |
2463 | return DRM_FORMAT_RGB565; | |
2464 | default: | |
2465 | case PLANE_CTL_FORMAT_XRGB_8888: | |
2466 | if (rgb_order) { | |
2467 | if (alpha) | |
2468 | return DRM_FORMAT_ABGR8888; | |
2469 | else | |
2470 | return DRM_FORMAT_XBGR8888; | |
2471 | } else { | |
2472 | if (alpha) | |
2473 | return DRM_FORMAT_ARGB8888; | |
2474 | else | |
2475 | return DRM_FORMAT_XRGB8888; | |
2476 | } | |
2477 | case PLANE_CTL_FORMAT_XRGB_2101010: | |
2478 | if (rgb_order) | |
2479 | return DRM_FORMAT_XBGR2101010; | |
2480 | else | |
2481 | return DRM_FORMAT_XRGB2101010; | |
2482 | } | |
2483 | } | |
2484 | ||
5724dbd1 | 2485 | static bool |
f6936e29 DV |
2486 | intel_alloc_initial_plane_obj(struct intel_crtc *crtc, |
2487 | struct intel_initial_plane_config *plane_config) | |
46f297fb JB |
2488 | { |
2489 | struct drm_device *dev = crtc->base.dev; | |
2490 | struct drm_i915_gem_object *obj = NULL; | |
2491 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; | |
2d14030b | 2492 | struct drm_framebuffer *fb = &plane_config->fb->base; |
f37b5c2b DV |
2493 | u32 base_aligned = round_down(plane_config->base, PAGE_SIZE); |
2494 | u32 size_aligned = round_up(plane_config->base + plane_config->size, | |
2495 | PAGE_SIZE); | |
2496 | ||
2497 | size_aligned -= base_aligned; | |
46f297fb | 2498 | |
ff2652ea CW |
2499 | if (plane_config->size == 0) |
2500 | return false; | |
2501 | ||
f37b5c2b DV |
2502 | obj = i915_gem_object_create_stolen_for_preallocated(dev, |
2503 | base_aligned, | |
2504 | base_aligned, | |
2505 | size_aligned); | |
46f297fb | 2506 | if (!obj) |
484b41dd | 2507 | return false; |
46f297fb | 2508 | |
49af449b DL |
2509 | obj->tiling_mode = plane_config->tiling; |
2510 | if (obj->tiling_mode == I915_TILING_X) | |
6bf129df | 2511 | obj->stride = fb->pitches[0]; |
46f297fb | 2512 | |
6bf129df DL |
2513 | mode_cmd.pixel_format = fb->pixel_format; |
2514 | mode_cmd.width = fb->width; | |
2515 | mode_cmd.height = fb->height; | |
2516 | mode_cmd.pitches[0] = fb->pitches[0]; | |
18c5247e DV |
2517 | mode_cmd.modifier[0] = fb->modifier[0]; |
2518 | mode_cmd.flags = DRM_MODE_FB_MODIFIERS; | |
46f297fb JB |
2519 | |
2520 | mutex_lock(&dev->struct_mutex); | |
6bf129df | 2521 | if (intel_framebuffer_init(dev, to_intel_framebuffer(fb), |
484b41dd | 2522 | &mode_cmd, obj)) { |
46f297fb JB |
2523 | DRM_DEBUG_KMS("intel fb init failed\n"); |
2524 | goto out_unref_obj; | |
2525 | } | |
46f297fb | 2526 | mutex_unlock(&dev->struct_mutex); |
484b41dd | 2527 | |
f6936e29 | 2528 | DRM_DEBUG_KMS("initial plane fb obj %p\n", obj); |
484b41dd | 2529 | return true; |
46f297fb JB |
2530 | |
2531 | out_unref_obj: | |
2532 | drm_gem_object_unreference(&obj->base); | |
2533 | mutex_unlock(&dev->struct_mutex); | |
484b41dd JB |
2534 | return false; |
2535 | } | |
2536 | ||
afd65eb4 MR |
2537 | /* Update plane->state->fb to match plane->fb after driver-internal updates */ |
2538 | static void | |
2539 | update_state_fb(struct drm_plane *plane) | |
2540 | { | |
2541 | if (plane->fb == plane->state->fb) | |
2542 | return; | |
2543 | ||
2544 | if (plane->state->fb) | |
2545 | drm_framebuffer_unreference(plane->state->fb); | |
2546 | plane->state->fb = plane->fb; | |
2547 | if (plane->state->fb) | |
2548 | drm_framebuffer_reference(plane->state->fb); | |
2549 | } | |
2550 | ||
5724dbd1 | 2551 | static void |
f6936e29 DV |
2552 | intel_find_initial_plane_obj(struct intel_crtc *intel_crtc, |
2553 | struct intel_initial_plane_config *plane_config) | |
484b41dd JB |
2554 | { |
2555 | struct drm_device *dev = intel_crtc->base.dev; | |
d9ceb816 | 2556 | struct drm_i915_private *dev_priv = dev->dev_private; |
484b41dd JB |
2557 | struct drm_crtc *c; |
2558 | struct intel_crtc *i; | |
2ff8fde1 | 2559 | struct drm_i915_gem_object *obj; |
88595ac9 DV |
2560 | struct drm_plane *primary = intel_crtc->base.primary; |
2561 | struct drm_framebuffer *fb; | |
484b41dd | 2562 | |
2d14030b | 2563 | if (!plane_config->fb) |
484b41dd JB |
2564 | return; |
2565 | ||
f6936e29 | 2566 | if (intel_alloc_initial_plane_obj(intel_crtc, plane_config)) { |
88595ac9 DV |
2567 | fb = &plane_config->fb->base; |
2568 | goto valid_fb; | |
f55548b5 | 2569 | } |
484b41dd | 2570 | |
2d14030b | 2571 | kfree(plane_config->fb); |
484b41dd JB |
2572 | |
2573 | /* | |
2574 | * Failed to alloc the obj, check to see if we should share | |
2575 | * an fb with another CRTC instead | |
2576 | */ | |
70e1e0ec | 2577 | for_each_crtc(dev, c) { |
484b41dd JB |
2578 | i = to_intel_crtc(c); |
2579 | ||
2580 | if (c == &intel_crtc->base) | |
2581 | continue; | |
2582 | ||
2ff8fde1 MR |
2583 | if (!i->active) |
2584 | continue; | |
2585 | ||
88595ac9 DV |
2586 | fb = c->primary->fb; |
2587 | if (!fb) | |
484b41dd JB |
2588 | continue; |
2589 | ||
88595ac9 | 2590 | obj = intel_fb_obj(fb); |
2ff8fde1 | 2591 | if (i915_gem_obj_ggtt_offset(obj) == plane_config->base) { |
88595ac9 DV |
2592 | drm_framebuffer_reference(fb); |
2593 | goto valid_fb; | |
484b41dd JB |
2594 | } |
2595 | } | |
88595ac9 DV |
2596 | |
2597 | return; | |
2598 | ||
2599 | valid_fb: | |
2600 | obj = intel_fb_obj(fb); | |
2601 | if (obj->tiling_mode != I915_TILING_NONE) | |
2602 | dev_priv->preserve_bios_swizzle = true; | |
2603 | ||
2604 | primary->fb = fb; | |
36750f28 | 2605 | primary->crtc = primary->state->crtc = &intel_crtc->base; |
88595ac9 | 2606 | update_state_fb(primary); |
36750f28 | 2607 | intel_crtc->base.state->plane_mask |= (1 << drm_plane_index(primary)); |
88595ac9 | 2608 | obj->frontbuffer_bits |= INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe); |
46f297fb JB |
2609 | } |
2610 | ||
29b9bde6 DV |
2611 | static void i9xx_update_primary_plane(struct drm_crtc *crtc, |
2612 | struct drm_framebuffer *fb, | |
2613 | int x, int y) | |
81255565 JB |
2614 | { |
2615 | struct drm_device *dev = crtc->dev; | |
2616 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2617 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
b70709a6 ML |
2618 | struct drm_plane *primary = crtc->primary; |
2619 | bool visible = to_intel_plane_state(primary->state)->visible; | |
c9ba6fad | 2620 | struct drm_i915_gem_object *obj; |
81255565 | 2621 | int plane = intel_crtc->plane; |
e506a0c6 | 2622 | unsigned long linear_offset; |
81255565 | 2623 | u32 dspcntr; |
f45651ba | 2624 | u32 reg = DSPCNTR(plane); |
48404c1e | 2625 | int pixel_size; |
f45651ba | 2626 | |
b70709a6 | 2627 | if (!visible || !fb) { |
fdd508a6 VS |
2628 | I915_WRITE(reg, 0); |
2629 | if (INTEL_INFO(dev)->gen >= 4) | |
2630 | I915_WRITE(DSPSURF(plane), 0); | |
2631 | else | |
2632 | I915_WRITE(DSPADDR(plane), 0); | |
2633 | POSTING_READ(reg); | |
2634 | return; | |
2635 | } | |
2636 | ||
c9ba6fad VS |
2637 | obj = intel_fb_obj(fb); |
2638 | if (WARN_ON(obj == NULL)) | |
2639 | return; | |
2640 | ||
2641 | pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); | |
2642 | ||
f45651ba VS |
2643 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
2644 | ||
fdd508a6 | 2645 | dspcntr |= DISPLAY_PLANE_ENABLE; |
f45651ba VS |
2646 | |
2647 | if (INTEL_INFO(dev)->gen < 4) { | |
2648 | if (intel_crtc->pipe == PIPE_B) | |
2649 | dspcntr |= DISPPLANE_SEL_PIPE_B; | |
2650 | ||
2651 | /* pipesrc and dspsize control the size that is scaled from, | |
2652 | * which should always be the user's requested size. | |
2653 | */ | |
2654 | I915_WRITE(DSPSIZE(plane), | |
6e3c9717 ACO |
2655 | ((intel_crtc->config->pipe_src_h - 1) << 16) | |
2656 | (intel_crtc->config->pipe_src_w - 1)); | |
f45651ba | 2657 | I915_WRITE(DSPPOS(plane), 0); |
c14b0485 VS |
2658 | } else if (IS_CHERRYVIEW(dev) && plane == PLANE_B) { |
2659 | I915_WRITE(PRIMSIZE(plane), | |
6e3c9717 ACO |
2660 | ((intel_crtc->config->pipe_src_h - 1) << 16) | |
2661 | (intel_crtc->config->pipe_src_w - 1)); | |
c14b0485 VS |
2662 | I915_WRITE(PRIMPOS(plane), 0); |
2663 | I915_WRITE(PRIMCNSTALPHA(plane), 0); | |
f45651ba | 2664 | } |
81255565 | 2665 | |
57779d06 VS |
2666 | switch (fb->pixel_format) { |
2667 | case DRM_FORMAT_C8: | |
81255565 JB |
2668 | dspcntr |= DISPPLANE_8BPP; |
2669 | break; | |
57779d06 | 2670 | case DRM_FORMAT_XRGB1555: |
57779d06 | 2671 | dspcntr |= DISPPLANE_BGRX555; |
81255565 | 2672 | break; |
57779d06 VS |
2673 | case DRM_FORMAT_RGB565: |
2674 | dspcntr |= DISPPLANE_BGRX565; | |
2675 | break; | |
2676 | case DRM_FORMAT_XRGB8888: | |
57779d06 VS |
2677 | dspcntr |= DISPPLANE_BGRX888; |
2678 | break; | |
2679 | case DRM_FORMAT_XBGR8888: | |
57779d06 VS |
2680 | dspcntr |= DISPPLANE_RGBX888; |
2681 | break; | |
2682 | case DRM_FORMAT_XRGB2101010: | |
57779d06 VS |
2683 | dspcntr |= DISPPLANE_BGRX101010; |
2684 | break; | |
2685 | case DRM_FORMAT_XBGR2101010: | |
57779d06 | 2686 | dspcntr |= DISPPLANE_RGBX101010; |
81255565 JB |
2687 | break; |
2688 | default: | |
baba133a | 2689 | BUG(); |
81255565 | 2690 | } |
57779d06 | 2691 | |
f45651ba VS |
2692 | if (INTEL_INFO(dev)->gen >= 4 && |
2693 | obj->tiling_mode != I915_TILING_NONE) | |
2694 | dspcntr |= DISPPLANE_TILED; | |
81255565 | 2695 | |
de1aa629 VS |
2696 | if (IS_G4X(dev)) |
2697 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; | |
2698 | ||
b9897127 | 2699 | linear_offset = y * fb->pitches[0] + x * pixel_size; |
81255565 | 2700 | |
c2c75131 DV |
2701 | if (INTEL_INFO(dev)->gen >= 4) { |
2702 | intel_crtc->dspaddr_offset = | |
4e9a86b6 VS |
2703 | intel_gen4_compute_page_offset(dev_priv, |
2704 | &x, &y, obj->tiling_mode, | |
b9897127 | 2705 | pixel_size, |
bc752862 | 2706 | fb->pitches[0]); |
c2c75131 DV |
2707 | linear_offset -= intel_crtc->dspaddr_offset; |
2708 | } else { | |
e506a0c6 | 2709 | intel_crtc->dspaddr_offset = linear_offset; |
c2c75131 | 2710 | } |
e506a0c6 | 2711 | |
8e7d688b | 2712 | if (crtc->primary->state->rotation == BIT(DRM_ROTATE_180)) { |
48404c1e SJ |
2713 | dspcntr |= DISPPLANE_ROTATE_180; |
2714 | ||
6e3c9717 ACO |
2715 | x += (intel_crtc->config->pipe_src_w - 1); |
2716 | y += (intel_crtc->config->pipe_src_h - 1); | |
48404c1e SJ |
2717 | |
2718 | /* Finding the last pixel of the last line of the display | |
2719 | data and adding to linear_offset*/ | |
2720 | linear_offset += | |
6e3c9717 ACO |
2721 | (intel_crtc->config->pipe_src_h - 1) * fb->pitches[0] + |
2722 | (intel_crtc->config->pipe_src_w - 1) * pixel_size; | |
48404c1e SJ |
2723 | } |
2724 | ||
2725 | I915_WRITE(reg, dspcntr); | |
2726 | ||
01f2c773 | 2727 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
a6c45cf0 | 2728 | if (INTEL_INFO(dev)->gen >= 4) { |
85ba7b7d DV |
2729 | I915_WRITE(DSPSURF(plane), |
2730 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); | |
5eddb70b | 2731 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); |
e506a0c6 | 2732 | I915_WRITE(DSPLINOFF(plane), linear_offset); |
5eddb70b | 2733 | } else |
f343c5f6 | 2734 | I915_WRITE(DSPADDR(plane), i915_gem_obj_ggtt_offset(obj) + linear_offset); |
5eddb70b | 2735 | POSTING_READ(reg); |
17638cd6 JB |
2736 | } |
2737 | ||
29b9bde6 DV |
2738 | static void ironlake_update_primary_plane(struct drm_crtc *crtc, |
2739 | struct drm_framebuffer *fb, | |
2740 | int x, int y) | |
17638cd6 JB |
2741 | { |
2742 | struct drm_device *dev = crtc->dev; | |
2743 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2744 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
b70709a6 ML |
2745 | struct drm_plane *primary = crtc->primary; |
2746 | bool visible = to_intel_plane_state(primary->state)->visible; | |
c9ba6fad | 2747 | struct drm_i915_gem_object *obj; |
17638cd6 | 2748 | int plane = intel_crtc->plane; |
e506a0c6 | 2749 | unsigned long linear_offset; |
17638cd6 | 2750 | u32 dspcntr; |
f45651ba | 2751 | u32 reg = DSPCNTR(plane); |
48404c1e | 2752 | int pixel_size; |
f45651ba | 2753 | |
b70709a6 | 2754 | if (!visible || !fb) { |
fdd508a6 VS |
2755 | I915_WRITE(reg, 0); |
2756 | I915_WRITE(DSPSURF(plane), 0); | |
2757 | POSTING_READ(reg); | |
2758 | return; | |
2759 | } | |
2760 | ||
c9ba6fad VS |
2761 | obj = intel_fb_obj(fb); |
2762 | if (WARN_ON(obj == NULL)) | |
2763 | return; | |
2764 | ||
2765 | pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); | |
2766 | ||
f45651ba VS |
2767 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
2768 | ||
fdd508a6 | 2769 | dspcntr |= DISPLAY_PLANE_ENABLE; |
f45651ba VS |
2770 | |
2771 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) | |
2772 | dspcntr |= DISPPLANE_PIPE_CSC_ENABLE; | |
17638cd6 | 2773 | |
57779d06 VS |
2774 | switch (fb->pixel_format) { |
2775 | case DRM_FORMAT_C8: | |
17638cd6 JB |
2776 | dspcntr |= DISPPLANE_8BPP; |
2777 | break; | |
57779d06 VS |
2778 | case DRM_FORMAT_RGB565: |
2779 | dspcntr |= DISPPLANE_BGRX565; | |
17638cd6 | 2780 | break; |
57779d06 | 2781 | case DRM_FORMAT_XRGB8888: |
57779d06 VS |
2782 | dspcntr |= DISPPLANE_BGRX888; |
2783 | break; | |
2784 | case DRM_FORMAT_XBGR8888: | |
57779d06 VS |
2785 | dspcntr |= DISPPLANE_RGBX888; |
2786 | break; | |
2787 | case DRM_FORMAT_XRGB2101010: | |
57779d06 VS |
2788 | dspcntr |= DISPPLANE_BGRX101010; |
2789 | break; | |
2790 | case DRM_FORMAT_XBGR2101010: | |
57779d06 | 2791 | dspcntr |= DISPPLANE_RGBX101010; |
17638cd6 JB |
2792 | break; |
2793 | default: | |
baba133a | 2794 | BUG(); |
17638cd6 JB |
2795 | } |
2796 | ||
2797 | if (obj->tiling_mode != I915_TILING_NONE) | |
2798 | dspcntr |= DISPPLANE_TILED; | |
17638cd6 | 2799 | |
f45651ba | 2800 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) |
1f5d76db | 2801 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; |
17638cd6 | 2802 | |
b9897127 | 2803 | linear_offset = y * fb->pitches[0] + x * pixel_size; |
c2c75131 | 2804 | intel_crtc->dspaddr_offset = |
4e9a86b6 VS |
2805 | intel_gen4_compute_page_offset(dev_priv, |
2806 | &x, &y, obj->tiling_mode, | |
b9897127 | 2807 | pixel_size, |
bc752862 | 2808 | fb->pitches[0]); |
c2c75131 | 2809 | linear_offset -= intel_crtc->dspaddr_offset; |
8e7d688b | 2810 | if (crtc->primary->state->rotation == BIT(DRM_ROTATE_180)) { |
48404c1e SJ |
2811 | dspcntr |= DISPPLANE_ROTATE_180; |
2812 | ||
2813 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) { | |
6e3c9717 ACO |
2814 | x += (intel_crtc->config->pipe_src_w - 1); |
2815 | y += (intel_crtc->config->pipe_src_h - 1); | |
48404c1e SJ |
2816 | |
2817 | /* Finding the last pixel of the last line of the display | |
2818 | data and adding to linear_offset*/ | |
2819 | linear_offset += | |
6e3c9717 ACO |
2820 | (intel_crtc->config->pipe_src_h - 1) * fb->pitches[0] + |
2821 | (intel_crtc->config->pipe_src_w - 1) * pixel_size; | |
48404c1e SJ |
2822 | } |
2823 | } | |
2824 | ||
2825 | I915_WRITE(reg, dspcntr); | |
17638cd6 | 2826 | |
01f2c773 | 2827 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
85ba7b7d DV |
2828 | I915_WRITE(DSPSURF(plane), |
2829 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); | |
b3dc685e | 2830 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
bc1c91eb DL |
2831 | I915_WRITE(DSPOFFSET(plane), (y << 16) | x); |
2832 | } else { | |
2833 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); | |
2834 | I915_WRITE(DSPLINOFF(plane), linear_offset); | |
2835 | } | |
17638cd6 | 2836 | POSTING_READ(reg); |
17638cd6 JB |
2837 | } |
2838 | ||
b321803d DL |
2839 | u32 intel_fb_stride_alignment(struct drm_device *dev, uint64_t fb_modifier, |
2840 | uint32_t pixel_format) | |
2841 | { | |
2842 | u32 bits_per_pixel = drm_format_plane_cpp(pixel_format, 0) * 8; | |
2843 | ||
2844 | /* | |
2845 | * The stride is either expressed as a multiple of 64 bytes | |
2846 | * chunks for linear buffers or in number of tiles for tiled | |
2847 | * buffers. | |
2848 | */ | |
2849 | switch (fb_modifier) { | |
2850 | case DRM_FORMAT_MOD_NONE: | |
2851 | return 64; | |
2852 | case I915_FORMAT_MOD_X_TILED: | |
2853 | if (INTEL_INFO(dev)->gen == 2) | |
2854 | return 128; | |
2855 | return 512; | |
2856 | case I915_FORMAT_MOD_Y_TILED: | |
2857 | /* No need to check for old gens and Y tiling since this is | |
2858 | * about the display engine and those will be blocked before | |
2859 | * we get here. | |
2860 | */ | |
2861 | return 128; | |
2862 | case I915_FORMAT_MOD_Yf_TILED: | |
2863 | if (bits_per_pixel == 8) | |
2864 | return 64; | |
2865 | else | |
2866 | return 128; | |
2867 | default: | |
2868 | MISSING_CASE(fb_modifier); | |
2869 | return 64; | |
2870 | } | |
2871 | } | |
2872 | ||
121920fa TU |
2873 | unsigned long intel_plane_obj_offset(struct intel_plane *intel_plane, |
2874 | struct drm_i915_gem_object *obj) | |
2875 | { | |
9abc4648 | 2876 | const struct i915_ggtt_view *view = &i915_ggtt_view_normal; |
121920fa TU |
2877 | |
2878 | if (intel_rotation_90_or_270(intel_plane->base.state->rotation)) | |
9abc4648 | 2879 | view = &i915_ggtt_view_rotated; |
121920fa TU |
2880 | |
2881 | return i915_gem_obj_ggtt_offset_view(obj, view); | |
2882 | } | |
2883 | ||
a1b2278e CK |
2884 | /* |
2885 | * This function detaches (aka. unbinds) unused scalers in hardware | |
2886 | */ | |
0583236e | 2887 | static void skl_detach_scalers(struct intel_crtc *intel_crtc) |
a1b2278e CK |
2888 | { |
2889 | struct drm_device *dev; | |
2890 | struct drm_i915_private *dev_priv; | |
2891 | struct intel_crtc_scaler_state *scaler_state; | |
2892 | int i; | |
2893 | ||
a1b2278e CK |
2894 | dev = intel_crtc->base.dev; |
2895 | dev_priv = dev->dev_private; | |
2896 | scaler_state = &intel_crtc->config->scaler_state; | |
2897 | ||
2898 | /* loop through and disable scalers that aren't in use */ | |
2899 | for (i = 0; i < intel_crtc->num_scalers; i++) { | |
2900 | if (!scaler_state->scalers[i].in_use) { | |
2901 | I915_WRITE(SKL_PS_CTRL(intel_crtc->pipe, i), 0); | |
2902 | I915_WRITE(SKL_PS_WIN_POS(intel_crtc->pipe, i), 0); | |
2903 | I915_WRITE(SKL_PS_WIN_SZ(intel_crtc->pipe, i), 0); | |
2904 | DRM_DEBUG_KMS("CRTC:%d Disabled scaler id %u.%u\n", | |
2905 | intel_crtc->base.base.id, intel_crtc->pipe, i); | |
2906 | } | |
2907 | } | |
2908 | } | |
2909 | ||
6156a456 | 2910 | u32 skl_plane_ctl_format(uint32_t pixel_format) |
70d21f0e | 2911 | { |
6156a456 | 2912 | switch (pixel_format) { |
d161cf7a | 2913 | case DRM_FORMAT_C8: |
c34ce3d1 | 2914 | return PLANE_CTL_FORMAT_INDEXED; |
70d21f0e | 2915 | case DRM_FORMAT_RGB565: |
c34ce3d1 | 2916 | return PLANE_CTL_FORMAT_RGB_565; |
70d21f0e | 2917 | case DRM_FORMAT_XBGR8888: |
c34ce3d1 | 2918 | return PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX; |
6156a456 | 2919 | case DRM_FORMAT_XRGB8888: |
c34ce3d1 | 2920 | return PLANE_CTL_FORMAT_XRGB_8888; |
6156a456 CK |
2921 | /* |
2922 | * XXX: For ARBG/ABGR formats we default to expecting scanout buffers | |
2923 | * to be already pre-multiplied. We need to add a knob (or a different | |
2924 | * DRM_FORMAT) for user-space to configure that. | |
2925 | */ | |
f75fb42a | 2926 | case DRM_FORMAT_ABGR8888: |
c34ce3d1 | 2927 | return PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX | |
6156a456 | 2928 | PLANE_CTL_ALPHA_SW_PREMULTIPLY; |
6156a456 | 2929 | case DRM_FORMAT_ARGB8888: |
c34ce3d1 | 2930 | return PLANE_CTL_FORMAT_XRGB_8888 | |
6156a456 | 2931 | PLANE_CTL_ALPHA_SW_PREMULTIPLY; |
70d21f0e | 2932 | case DRM_FORMAT_XRGB2101010: |
c34ce3d1 | 2933 | return PLANE_CTL_FORMAT_XRGB_2101010; |
70d21f0e | 2934 | case DRM_FORMAT_XBGR2101010: |
c34ce3d1 | 2935 | return PLANE_CTL_ORDER_RGBX | PLANE_CTL_FORMAT_XRGB_2101010; |
6156a456 | 2936 | case DRM_FORMAT_YUYV: |
c34ce3d1 | 2937 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YUYV; |
6156a456 | 2938 | case DRM_FORMAT_YVYU: |
c34ce3d1 | 2939 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YVYU; |
6156a456 | 2940 | case DRM_FORMAT_UYVY: |
c34ce3d1 | 2941 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_UYVY; |
6156a456 | 2942 | case DRM_FORMAT_VYUY: |
c34ce3d1 | 2943 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_VYUY; |
70d21f0e | 2944 | default: |
4249eeef | 2945 | MISSING_CASE(pixel_format); |
70d21f0e | 2946 | } |
8cfcba41 | 2947 | |
c34ce3d1 | 2948 | return 0; |
6156a456 | 2949 | } |
70d21f0e | 2950 | |
6156a456 CK |
2951 | u32 skl_plane_ctl_tiling(uint64_t fb_modifier) |
2952 | { | |
6156a456 | 2953 | switch (fb_modifier) { |
30af77c4 | 2954 | case DRM_FORMAT_MOD_NONE: |
70d21f0e | 2955 | break; |
30af77c4 | 2956 | case I915_FORMAT_MOD_X_TILED: |
c34ce3d1 | 2957 | return PLANE_CTL_TILED_X; |
b321803d | 2958 | case I915_FORMAT_MOD_Y_TILED: |
c34ce3d1 | 2959 | return PLANE_CTL_TILED_Y; |
b321803d | 2960 | case I915_FORMAT_MOD_Yf_TILED: |
c34ce3d1 | 2961 | return PLANE_CTL_TILED_YF; |
70d21f0e | 2962 | default: |
6156a456 | 2963 | MISSING_CASE(fb_modifier); |
70d21f0e | 2964 | } |
8cfcba41 | 2965 | |
c34ce3d1 | 2966 | return 0; |
6156a456 | 2967 | } |
70d21f0e | 2968 | |
6156a456 CK |
2969 | u32 skl_plane_ctl_rotation(unsigned int rotation) |
2970 | { | |
3b7a5119 | 2971 | switch (rotation) { |
6156a456 CK |
2972 | case BIT(DRM_ROTATE_0): |
2973 | break; | |
1e8df167 SJ |
2974 | /* |
2975 | * DRM_ROTATE_ is counter clockwise to stay compatible with Xrandr | |
2976 | * while i915 HW rotation is clockwise, thats why this swapping. | |
2977 | */ | |
3b7a5119 | 2978 | case BIT(DRM_ROTATE_90): |
1e8df167 | 2979 | return PLANE_CTL_ROTATE_270; |
3b7a5119 | 2980 | case BIT(DRM_ROTATE_180): |
c34ce3d1 | 2981 | return PLANE_CTL_ROTATE_180; |
3b7a5119 | 2982 | case BIT(DRM_ROTATE_270): |
1e8df167 | 2983 | return PLANE_CTL_ROTATE_90; |
6156a456 CK |
2984 | default: |
2985 | MISSING_CASE(rotation); | |
2986 | } | |
2987 | ||
c34ce3d1 | 2988 | return 0; |
6156a456 CK |
2989 | } |
2990 | ||
2991 | static void skylake_update_primary_plane(struct drm_crtc *crtc, | |
2992 | struct drm_framebuffer *fb, | |
2993 | int x, int y) | |
2994 | { | |
2995 | struct drm_device *dev = crtc->dev; | |
2996 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2997 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
b70709a6 ML |
2998 | struct drm_plane *plane = crtc->primary; |
2999 | bool visible = to_intel_plane_state(plane->state)->visible; | |
6156a456 CK |
3000 | struct drm_i915_gem_object *obj; |
3001 | int pipe = intel_crtc->pipe; | |
3002 | u32 plane_ctl, stride_div, stride; | |
3003 | u32 tile_height, plane_offset, plane_size; | |
3004 | unsigned int rotation; | |
3005 | int x_offset, y_offset; | |
3006 | unsigned long surf_addr; | |
6156a456 CK |
3007 | struct intel_crtc_state *crtc_state = intel_crtc->config; |
3008 | struct intel_plane_state *plane_state; | |
3009 | int src_x = 0, src_y = 0, src_w = 0, src_h = 0; | |
3010 | int dst_x = 0, dst_y = 0, dst_w = 0, dst_h = 0; | |
3011 | int scaler_id = -1; | |
3012 | ||
6156a456 CK |
3013 | plane_state = to_intel_plane_state(plane->state); |
3014 | ||
b70709a6 | 3015 | if (!visible || !fb) { |
6156a456 CK |
3016 | I915_WRITE(PLANE_CTL(pipe, 0), 0); |
3017 | I915_WRITE(PLANE_SURF(pipe, 0), 0); | |
3018 | POSTING_READ(PLANE_CTL(pipe, 0)); | |
3019 | return; | |
3b7a5119 | 3020 | } |
70d21f0e | 3021 | |
6156a456 CK |
3022 | plane_ctl = PLANE_CTL_ENABLE | |
3023 | PLANE_CTL_PIPE_GAMMA_ENABLE | | |
3024 | PLANE_CTL_PIPE_CSC_ENABLE; | |
3025 | ||
3026 | plane_ctl |= skl_plane_ctl_format(fb->pixel_format); | |
3027 | plane_ctl |= skl_plane_ctl_tiling(fb->modifier[0]); | |
3028 | plane_ctl |= PLANE_CTL_PLANE_GAMMA_DISABLE; | |
3029 | ||
3030 | rotation = plane->state->rotation; | |
3031 | plane_ctl |= skl_plane_ctl_rotation(rotation); | |
3032 | ||
b321803d DL |
3033 | obj = intel_fb_obj(fb); |
3034 | stride_div = intel_fb_stride_alignment(dev, fb->modifier[0], | |
3035 | fb->pixel_format); | |
3b7a5119 SJ |
3036 | surf_addr = intel_plane_obj_offset(to_intel_plane(plane), obj); |
3037 | ||
6156a456 CK |
3038 | /* |
3039 | * FIXME: intel_plane_state->src, dst aren't set when transitional | |
3040 | * update_plane helpers are called from legacy paths. | |
3041 | * Once full atomic crtc is available, below check can be avoided. | |
3042 | */ | |
3043 | if (drm_rect_width(&plane_state->src)) { | |
3044 | scaler_id = plane_state->scaler_id; | |
3045 | src_x = plane_state->src.x1 >> 16; | |
3046 | src_y = plane_state->src.y1 >> 16; | |
3047 | src_w = drm_rect_width(&plane_state->src) >> 16; | |
3048 | src_h = drm_rect_height(&plane_state->src) >> 16; | |
3049 | dst_x = plane_state->dst.x1; | |
3050 | dst_y = plane_state->dst.y1; | |
3051 | dst_w = drm_rect_width(&plane_state->dst); | |
3052 | dst_h = drm_rect_height(&plane_state->dst); | |
3053 | ||
3054 | WARN_ON(x != src_x || y != src_y); | |
3055 | } else { | |
3056 | src_w = intel_crtc->config->pipe_src_w; | |
3057 | src_h = intel_crtc->config->pipe_src_h; | |
3058 | } | |
3059 | ||
3b7a5119 SJ |
3060 | if (intel_rotation_90_or_270(rotation)) { |
3061 | /* stride = Surface height in tiles */ | |
2614f17d | 3062 | tile_height = intel_tile_height(dev, fb->pixel_format, |
3b7a5119 SJ |
3063 | fb->modifier[0]); |
3064 | stride = DIV_ROUND_UP(fb->height, tile_height); | |
6156a456 | 3065 | x_offset = stride * tile_height - y - src_h; |
3b7a5119 | 3066 | y_offset = x; |
6156a456 | 3067 | plane_size = (src_w - 1) << 16 | (src_h - 1); |
3b7a5119 SJ |
3068 | } else { |
3069 | stride = fb->pitches[0] / stride_div; | |
3070 | x_offset = x; | |
3071 | y_offset = y; | |
6156a456 | 3072 | plane_size = (src_h - 1) << 16 | (src_w - 1); |
3b7a5119 SJ |
3073 | } |
3074 | plane_offset = y_offset << 16 | x_offset; | |
b321803d | 3075 | |
70d21f0e | 3076 | I915_WRITE(PLANE_CTL(pipe, 0), plane_ctl); |
3b7a5119 SJ |
3077 | I915_WRITE(PLANE_OFFSET(pipe, 0), plane_offset); |
3078 | I915_WRITE(PLANE_SIZE(pipe, 0), plane_size); | |
3079 | I915_WRITE(PLANE_STRIDE(pipe, 0), stride); | |
6156a456 CK |
3080 | |
3081 | if (scaler_id >= 0) { | |
3082 | uint32_t ps_ctrl = 0; | |
3083 | ||
3084 | WARN_ON(!dst_w || !dst_h); | |
3085 | ps_ctrl = PS_SCALER_EN | PS_PLANE_SEL(0) | | |
3086 | crtc_state->scaler_state.scalers[scaler_id].mode; | |
3087 | I915_WRITE(SKL_PS_CTRL(pipe, scaler_id), ps_ctrl); | |
3088 | I915_WRITE(SKL_PS_PWR_GATE(pipe, scaler_id), 0); | |
3089 | I915_WRITE(SKL_PS_WIN_POS(pipe, scaler_id), (dst_x << 16) | dst_y); | |
3090 | I915_WRITE(SKL_PS_WIN_SZ(pipe, scaler_id), (dst_w << 16) | dst_h); | |
3091 | I915_WRITE(PLANE_POS(pipe, 0), 0); | |
3092 | } else { | |
3093 | I915_WRITE(PLANE_POS(pipe, 0), (dst_y << 16) | dst_x); | |
3094 | } | |
3095 | ||
121920fa | 3096 | I915_WRITE(PLANE_SURF(pipe, 0), surf_addr); |
70d21f0e DL |
3097 | |
3098 | POSTING_READ(PLANE_SURF(pipe, 0)); | |
3099 | } | |
3100 | ||
17638cd6 JB |
3101 | /* Assume fb object is pinned & idle & fenced and just update base pointers */ |
3102 | static int | |
3103 | intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, | |
3104 | int x, int y, enum mode_set_atomic state) | |
3105 | { | |
3106 | struct drm_device *dev = crtc->dev; | |
3107 | struct drm_i915_private *dev_priv = dev->dev_private; | |
17638cd6 | 3108 | |
6b8e6ed0 CW |
3109 | if (dev_priv->display.disable_fbc) |
3110 | dev_priv->display.disable_fbc(dev); | |
81255565 | 3111 | |
29b9bde6 DV |
3112 | dev_priv->display.update_primary_plane(crtc, fb, x, y); |
3113 | ||
3114 | return 0; | |
81255565 JB |
3115 | } |
3116 | ||
7514747d | 3117 | static void intel_complete_page_flips(struct drm_device *dev) |
96a02917 | 3118 | { |
96a02917 VS |
3119 | struct drm_crtc *crtc; |
3120 | ||
70e1e0ec | 3121 | for_each_crtc(dev, crtc) { |
96a02917 VS |
3122 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3123 | enum plane plane = intel_crtc->plane; | |
3124 | ||
3125 | intel_prepare_page_flip(dev, plane); | |
3126 | intel_finish_page_flip_plane(dev, plane); | |
3127 | } | |
7514747d VS |
3128 | } |
3129 | ||
3130 | static void intel_update_primary_planes(struct drm_device *dev) | |
3131 | { | |
3132 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3133 | struct drm_crtc *crtc; | |
96a02917 | 3134 | |
70e1e0ec | 3135 | for_each_crtc(dev, crtc) { |
96a02917 VS |
3136 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3137 | ||
51fd371b | 3138 | drm_modeset_lock(&crtc->mutex, NULL); |
947fdaad CW |
3139 | /* |
3140 | * FIXME: Once we have proper support for primary planes (and | |
3141 | * disabling them without disabling the entire crtc) allow again | |
66e514c1 | 3142 | * a NULL crtc->primary->fb. |
947fdaad | 3143 | */ |
f4510a27 | 3144 | if (intel_crtc->active && crtc->primary->fb) |
262ca2b0 | 3145 | dev_priv->display.update_primary_plane(crtc, |
66e514c1 | 3146 | crtc->primary->fb, |
262ca2b0 MR |
3147 | crtc->x, |
3148 | crtc->y); | |
51fd371b | 3149 | drm_modeset_unlock(&crtc->mutex); |
96a02917 VS |
3150 | } |
3151 | } | |
3152 | ||
7514747d VS |
3153 | void intel_prepare_reset(struct drm_device *dev) |
3154 | { | |
3155 | /* no reset support for gen2 */ | |
3156 | if (IS_GEN2(dev)) | |
3157 | return; | |
3158 | ||
3159 | /* reset doesn't touch the display */ | |
3160 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) | |
3161 | return; | |
3162 | ||
3163 | drm_modeset_lock_all(dev); | |
f98ce92f VS |
3164 | /* |
3165 | * Disabling the crtcs gracefully seems nicer. Also the | |
3166 | * g33 docs say we should at least disable all the planes. | |
3167 | */ | |
6b72d486 | 3168 | intel_display_suspend(dev); |
7514747d VS |
3169 | } |
3170 | ||
3171 | void intel_finish_reset(struct drm_device *dev) | |
3172 | { | |
3173 | struct drm_i915_private *dev_priv = to_i915(dev); | |
3174 | ||
3175 | /* | |
3176 | * Flips in the rings will be nuked by the reset, | |
3177 | * so complete all pending flips so that user space | |
3178 | * will get its events and not get stuck. | |
3179 | */ | |
3180 | intel_complete_page_flips(dev); | |
3181 | ||
3182 | /* no reset support for gen2 */ | |
3183 | if (IS_GEN2(dev)) | |
3184 | return; | |
3185 | ||
3186 | /* reset doesn't touch the display */ | |
3187 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) { | |
3188 | /* | |
3189 | * Flips in the rings have been nuked by the reset, | |
3190 | * so update the base address of all primary | |
3191 | * planes to the the last fb to make sure we're | |
3192 | * showing the correct fb after a reset. | |
3193 | */ | |
3194 | intel_update_primary_planes(dev); | |
3195 | return; | |
3196 | } | |
3197 | ||
3198 | /* | |
3199 | * The display has been reset as well, | |
3200 | * so need a full re-initialization. | |
3201 | */ | |
3202 | intel_runtime_pm_disable_interrupts(dev_priv); | |
3203 | intel_runtime_pm_enable_interrupts(dev_priv); | |
3204 | ||
3205 | intel_modeset_init_hw(dev); | |
3206 | ||
3207 | spin_lock_irq(&dev_priv->irq_lock); | |
3208 | if (dev_priv->display.hpd_irq_setup) | |
3209 | dev_priv->display.hpd_irq_setup(dev); | |
3210 | spin_unlock_irq(&dev_priv->irq_lock); | |
3211 | ||
3212 | intel_modeset_setup_hw_state(dev, true); | |
3213 | ||
3214 | intel_hpd_init(dev_priv); | |
3215 | ||
3216 | drm_modeset_unlock_all(dev); | |
3217 | } | |
3218 | ||
2e2f351d | 3219 | static void |
14667a4b CW |
3220 | intel_finish_fb(struct drm_framebuffer *old_fb) |
3221 | { | |
2ff8fde1 | 3222 | struct drm_i915_gem_object *obj = intel_fb_obj(old_fb); |
2e2f351d | 3223 | struct drm_i915_private *dev_priv = to_i915(obj->base.dev); |
14667a4b CW |
3224 | bool was_interruptible = dev_priv->mm.interruptible; |
3225 | int ret; | |
3226 | ||
14667a4b CW |
3227 | /* Big Hammer, we also need to ensure that any pending |
3228 | * MI_WAIT_FOR_EVENT inside a user batch buffer on the | |
3229 | * current scanout is retired before unpinning the old | |
2e2f351d CW |
3230 | * framebuffer. Note that we rely on userspace rendering |
3231 | * into the buffer attached to the pipe they are waiting | |
3232 | * on. If not, userspace generates a GPU hang with IPEHR | |
3233 | * point to the MI_WAIT_FOR_EVENT. | |
14667a4b CW |
3234 | * |
3235 | * This should only fail upon a hung GPU, in which case we | |
3236 | * can safely continue. | |
3237 | */ | |
3238 | dev_priv->mm.interruptible = false; | |
2e2f351d | 3239 | ret = i915_gem_object_wait_rendering(obj, true); |
14667a4b CW |
3240 | dev_priv->mm.interruptible = was_interruptible; |
3241 | ||
2e2f351d | 3242 | WARN_ON(ret); |
14667a4b CW |
3243 | } |
3244 | ||
7d5e3799 CW |
3245 | static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) |
3246 | { | |
3247 | struct drm_device *dev = crtc->dev; | |
3248 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3249 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
7d5e3799 CW |
3250 | bool pending; |
3251 | ||
3252 | if (i915_reset_in_progress(&dev_priv->gpu_error) || | |
3253 | intel_crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter)) | |
3254 | return false; | |
3255 | ||
5e2d7afc | 3256 | spin_lock_irq(&dev->event_lock); |
7d5e3799 | 3257 | pending = to_intel_crtc(crtc)->unpin_work != NULL; |
5e2d7afc | 3258 | spin_unlock_irq(&dev->event_lock); |
7d5e3799 CW |
3259 | |
3260 | return pending; | |
3261 | } | |
3262 | ||
e30e8f75 GP |
3263 | static void intel_update_pipe_size(struct intel_crtc *crtc) |
3264 | { | |
3265 | struct drm_device *dev = crtc->base.dev; | |
3266 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3267 | const struct drm_display_mode *adjusted_mode; | |
3268 | ||
3269 | if (!i915.fastboot) | |
3270 | return; | |
3271 | ||
3272 | /* | |
3273 | * Update pipe size and adjust fitter if needed: the reason for this is | |
3274 | * that in compute_mode_changes we check the native mode (not the pfit | |
3275 | * mode) to see if we can flip rather than do a full mode set. In the | |
3276 | * fastboot case, we'll flip, but if we don't update the pipesrc and | |
3277 | * pfit state, we'll end up with a big fb scanned out into the wrong | |
3278 | * sized surface. | |
3279 | * | |
3280 | * To fix this properly, we need to hoist the checks up into | |
3281 | * compute_mode_changes (or above), check the actual pfit state and | |
3282 | * whether the platform allows pfit disable with pipe active, and only | |
3283 | * then update the pipesrc and pfit state, even on the flip path. | |
3284 | */ | |
3285 | ||
6e3c9717 | 3286 | adjusted_mode = &crtc->config->base.adjusted_mode; |
e30e8f75 GP |
3287 | |
3288 | I915_WRITE(PIPESRC(crtc->pipe), | |
3289 | ((adjusted_mode->crtc_hdisplay - 1) << 16) | | |
3290 | (adjusted_mode->crtc_vdisplay - 1)); | |
6e3c9717 | 3291 | if (!crtc->config->pch_pfit.enabled && |
409ee761 ACO |
3292 | (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) || |
3293 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) { | |
e30e8f75 GP |
3294 | I915_WRITE(PF_CTL(crtc->pipe), 0); |
3295 | I915_WRITE(PF_WIN_POS(crtc->pipe), 0); | |
3296 | I915_WRITE(PF_WIN_SZ(crtc->pipe), 0); | |
3297 | } | |
6e3c9717 ACO |
3298 | crtc->config->pipe_src_w = adjusted_mode->crtc_hdisplay; |
3299 | crtc->config->pipe_src_h = adjusted_mode->crtc_vdisplay; | |
e30e8f75 GP |
3300 | } |
3301 | ||
5e84e1a4 ZW |
3302 | static void intel_fdi_normal_train(struct drm_crtc *crtc) |
3303 | { | |
3304 | struct drm_device *dev = crtc->dev; | |
3305 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3306 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3307 | int pipe = intel_crtc->pipe; | |
3308 | u32 reg, temp; | |
3309 | ||
3310 | /* enable normal train */ | |
3311 | reg = FDI_TX_CTL(pipe); | |
3312 | temp = I915_READ(reg); | |
61e499bf | 3313 | if (IS_IVYBRIDGE(dev)) { |
357555c0 JB |
3314 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
3315 | temp |= FDI_LINK_TRAIN_NONE_IVB | FDI_TX_ENHANCE_FRAME_ENABLE; | |
61e499bf KP |
3316 | } else { |
3317 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3318 | temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE; | |
357555c0 | 3319 | } |
5e84e1a4 ZW |
3320 | I915_WRITE(reg, temp); |
3321 | ||
3322 | reg = FDI_RX_CTL(pipe); | |
3323 | temp = I915_READ(reg); | |
3324 | if (HAS_PCH_CPT(dev)) { | |
3325 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3326 | temp |= FDI_LINK_TRAIN_NORMAL_CPT; | |
3327 | } else { | |
3328 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3329 | temp |= FDI_LINK_TRAIN_NONE; | |
3330 | } | |
3331 | I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE); | |
3332 | ||
3333 | /* wait one idle pattern time */ | |
3334 | POSTING_READ(reg); | |
3335 | udelay(1000); | |
357555c0 JB |
3336 | |
3337 | /* IVB wants error correction enabled */ | |
3338 | if (IS_IVYBRIDGE(dev)) | |
3339 | I915_WRITE(reg, I915_READ(reg) | FDI_FS_ERRC_ENABLE | | |
3340 | FDI_FE_ERRC_ENABLE); | |
5e84e1a4 ZW |
3341 | } |
3342 | ||
8db9d77b ZW |
3343 | /* The FDI link training functions for ILK/Ibexpeak. */ |
3344 | static void ironlake_fdi_link_train(struct drm_crtc *crtc) | |
3345 | { | |
3346 | struct drm_device *dev = crtc->dev; | |
3347 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3348 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3349 | int pipe = intel_crtc->pipe; | |
5eddb70b | 3350 | u32 reg, temp, tries; |
8db9d77b | 3351 | |
1c8562f6 | 3352 | /* FDI needs bits from pipe first */ |
0fc932b8 | 3353 | assert_pipe_enabled(dev_priv, pipe); |
0fc932b8 | 3354 | |
e1a44743 AJ |
3355 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3356 | for train result */ | |
5eddb70b CW |
3357 | reg = FDI_RX_IMR(pipe); |
3358 | temp = I915_READ(reg); | |
e1a44743 AJ |
3359 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3360 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
3361 | I915_WRITE(reg, temp); |
3362 | I915_READ(reg); | |
e1a44743 AJ |
3363 | udelay(150); |
3364 | ||
8db9d77b | 3365 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
3366 | reg = FDI_TX_CTL(pipe); |
3367 | temp = I915_READ(reg); | |
627eb5a3 | 3368 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3369 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
8db9d77b ZW |
3370 | temp &= ~FDI_LINK_TRAIN_NONE; |
3371 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b | 3372 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 3373 | |
5eddb70b CW |
3374 | reg = FDI_RX_CTL(pipe); |
3375 | temp = I915_READ(reg); | |
8db9d77b ZW |
3376 | temp &= ~FDI_LINK_TRAIN_NONE; |
3377 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b CW |
3378 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3379 | ||
3380 | POSTING_READ(reg); | |
8db9d77b ZW |
3381 | udelay(150); |
3382 | ||
5b2adf89 | 3383 | /* Ironlake workaround, enable clock pointer after FDI enable*/ |
8f5718a6 DV |
3384 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
3385 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR | | |
3386 | FDI_RX_PHASE_SYNC_POINTER_EN); | |
5b2adf89 | 3387 | |
5eddb70b | 3388 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 3389 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 3390 | temp = I915_READ(reg); |
8db9d77b ZW |
3391 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3392 | ||
3393 | if ((temp & FDI_RX_BIT_LOCK)) { | |
3394 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
5eddb70b | 3395 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
8db9d77b ZW |
3396 | break; |
3397 | } | |
8db9d77b | 3398 | } |
e1a44743 | 3399 | if (tries == 5) |
5eddb70b | 3400 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
3401 | |
3402 | /* Train 2 */ | |
5eddb70b CW |
3403 | reg = FDI_TX_CTL(pipe); |
3404 | temp = I915_READ(reg); | |
8db9d77b ZW |
3405 | temp &= ~FDI_LINK_TRAIN_NONE; |
3406 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 3407 | I915_WRITE(reg, temp); |
8db9d77b | 3408 | |
5eddb70b CW |
3409 | reg = FDI_RX_CTL(pipe); |
3410 | temp = I915_READ(reg); | |
8db9d77b ZW |
3411 | temp &= ~FDI_LINK_TRAIN_NONE; |
3412 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 3413 | I915_WRITE(reg, temp); |
8db9d77b | 3414 | |
5eddb70b CW |
3415 | POSTING_READ(reg); |
3416 | udelay(150); | |
8db9d77b | 3417 | |
5eddb70b | 3418 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 3419 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 3420 | temp = I915_READ(reg); |
8db9d77b ZW |
3421 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3422 | ||
3423 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
5eddb70b | 3424 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
8db9d77b ZW |
3425 | DRM_DEBUG_KMS("FDI train 2 done.\n"); |
3426 | break; | |
3427 | } | |
8db9d77b | 3428 | } |
e1a44743 | 3429 | if (tries == 5) |
5eddb70b | 3430 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
3431 | |
3432 | DRM_DEBUG_KMS("FDI train done\n"); | |
5c5313c8 | 3433 | |
8db9d77b ZW |
3434 | } |
3435 | ||
0206e353 | 3436 | static const int snb_b_fdi_train_param[] = { |
8db9d77b ZW |
3437 | FDI_LINK_TRAIN_400MV_0DB_SNB_B, |
3438 | FDI_LINK_TRAIN_400MV_6DB_SNB_B, | |
3439 | FDI_LINK_TRAIN_600MV_3_5DB_SNB_B, | |
3440 | FDI_LINK_TRAIN_800MV_0DB_SNB_B, | |
3441 | }; | |
3442 | ||
3443 | /* The FDI link training functions for SNB/Cougarpoint. */ | |
3444 | static void gen6_fdi_link_train(struct drm_crtc *crtc) | |
3445 | { | |
3446 | struct drm_device *dev = crtc->dev; | |
3447 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3448 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3449 | int pipe = intel_crtc->pipe; | |
fa37d39e | 3450 | u32 reg, temp, i, retry; |
8db9d77b | 3451 | |
e1a44743 AJ |
3452 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3453 | for train result */ | |
5eddb70b CW |
3454 | reg = FDI_RX_IMR(pipe); |
3455 | temp = I915_READ(reg); | |
e1a44743 AJ |
3456 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3457 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
3458 | I915_WRITE(reg, temp); |
3459 | ||
3460 | POSTING_READ(reg); | |
e1a44743 AJ |
3461 | udelay(150); |
3462 | ||
8db9d77b | 3463 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
3464 | reg = FDI_TX_CTL(pipe); |
3465 | temp = I915_READ(reg); | |
627eb5a3 | 3466 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3467 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
8db9d77b ZW |
3468 | temp &= ~FDI_LINK_TRAIN_NONE; |
3469 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3470 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
3471 | /* SNB-B */ | |
3472 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
5eddb70b | 3473 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 3474 | |
d74cf324 DV |
3475 | I915_WRITE(FDI_RX_MISC(pipe), |
3476 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
3477 | ||
5eddb70b CW |
3478 | reg = FDI_RX_CTL(pipe); |
3479 | temp = I915_READ(reg); | |
8db9d77b ZW |
3480 | if (HAS_PCH_CPT(dev)) { |
3481 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3482 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
3483 | } else { | |
3484 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3485 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3486 | } | |
5eddb70b CW |
3487 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3488 | ||
3489 | POSTING_READ(reg); | |
8db9d77b ZW |
3490 | udelay(150); |
3491 | ||
0206e353 | 3492 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
3493 | reg = FDI_TX_CTL(pipe); |
3494 | temp = I915_READ(reg); | |
8db9d77b ZW |
3495 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3496 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
3497 | I915_WRITE(reg, temp); |
3498 | ||
3499 | POSTING_READ(reg); | |
8db9d77b ZW |
3500 | udelay(500); |
3501 | ||
fa37d39e SP |
3502 | for (retry = 0; retry < 5; retry++) { |
3503 | reg = FDI_RX_IIR(pipe); | |
3504 | temp = I915_READ(reg); | |
3505 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
3506 | if (temp & FDI_RX_BIT_LOCK) { | |
3507 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
3508 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
3509 | break; | |
3510 | } | |
3511 | udelay(50); | |
8db9d77b | 3512 | } |
fa37d39e SP |
3513 | if (retry < 5) |
3514 | break; | |
8db9d77b ZW |
3515 | } |
3516 | if (i == 4) | |
5eddb70b | 3517 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
3518 | |
3519 | /* Train 2 */ | |
5eddb70b CW |
3520 | reg = FDI_TX_CTL(pipe); |
3521 | temp = I915_READ(reg); | |
8db9d77b ZW |
3522 | temp &= ~FDI_LINK_TRAIN_NONE; |
3523 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
3524 | if (IS_GEN6(dev)) { | |
3525 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
3526 | /* SNB-B */ | |
3527 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
3528 | } | |
5eddb70b | 3529 | I915_WRITE(reg, temp); |
8db9d77b | 3530 | |
5eddb70b CW |
3531 | reg = FDI_RX_CTL(pipe); |
3532 | temp = I915_READ(reg); | |
8db9d77b ZW |
3533 | if (HAS_PCH_CPT(dev)) { |
3534 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3535 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
3536 | } else { | |
3537 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3538 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
3539 | } | |
5eddb70b CW |
3540 | I915_WRITE(reg, temp); |
3541 | ||
3542 | POSTING_READ(reg); | |
8db9d77b ZW |
3543 | udelay(150); |
3544 | ||
0206e353 | 3545 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
3546 | reg = FDI_TX_CTL(pipe); |
3547 | temp = I915_READ(reg); | |
8db9d77b ZW |
3548 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3549 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
3550 | I915_WRITE(reg, temp); |
3551 | ||
3552 | POSTING_READ(reg); | |
8db9d77b ZW |
3553 | udelay(500); |
3554 | ||
fa37d39e SP |
3555 | for (retry = 0; retry < 5; retry++) { |
3556 | reg = FDI_RX_IIR(pipe); | |
3557 | temp = I915_READ(reg); | |
3558 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
3559 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
3560 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
3561 | DRM_DEBUG_KMS("FDI train 2 done.\n"); | |
3562 | break; | |
3563 | } | |
3564 | udelay(50); | |
8db9d77b | 3565 | } |
fa37d39e SP |
3566 | if (retry < 5) |
3567 | break; | |
8db9d77b ZW |
3568 | } |
3569 | if (i == 4) | |
5eddb70b | 3570 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
3571 | |
3572 | DRM_DEBUG_KMS("FDI train done.\n"); | |
3573 | } | |
3574 | ||
357555c0 JB |
3575 | /* Manual link training for Ivy Bridge A0 parts */ |
3576 | static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) | |
3577 | { | |
3578 | struct drm_device *dev = crtc->dev; | |
3579 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3580 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3581 | int pipe = intel_crtc->pipe; | |
139ccd3f | 3582 | u32 reg, temp, i, j; |
357555c0 JB |
3583 | |
3584 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit | |
3585 | for train result */ | |
3586 | reg = FDI_RX_IMR(pipe); | |
3587 | temp = I915_READ(reg); | |
3588 | temp &= ~FDI_RX_SYMBOL_LOCK; | |
3589 | temp &= ~FDI_RX_BIT_LOCK; | |
3590 | I915_WRITE(reg, temp); | |
3591 | ||
3592 | POSTING_READ(reg); | |
3593 | udelay(150); | |
3594 | ||
01a415fd DV |
3595 | DRM_DEBUG_KMS("FDI_RX_IIR before link train 0x%x\n", |
3596 | I915_READ(FDI_RX_IIR(pipe))); | |
3597 | ||
139ccd3f JB |
3598 | /* Try each vswing and preemphasis setting twice before moving on */ |
3599 | for (j = 0; j < ARRAY_SIZE(snb_b_fdi_train_param) * 2; j++) { | |
3600 | /* disable first in case we need to retry */ | |
3601 | reg = FDI_TX_CTL(pipe); | |
3602 | temp = I915_READ(reg); | |
3603 | temp &= ~(FDI_LINK_TRAIN_AUTO | FDI_LINK_TRAIN_NONE_IVB); | |
3604 | temp &= ~FDI_TX_ENABLE; | |
3605 | I915_WRITE(reg, temp); | |
357555c0 | 3606 | |
139ccd3f JB |
3607 | reg = FDI_RX_CTL(pipe); |
3608 | temp = I915_READ(reg); | |
3609 | temp &= ~FDI_LINK_TRAIN_AUTO; | |
3610 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3611 | temp &= ~FDI_RX_ENABLE; | |
3612 | I915_WRITE(reg, temp); | |
357555c0 | 3613 | |
139ccd3f | 3614 | /* enable CPU FDI TX and PCH FDI RX */ |
357555c0 JB |
3615 | reg = FDI_TX_CTL(pipe); |
3616 | temp = I915_READ(reg); | |
139ccd3f | 3617 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3618 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
139ccd3f | 3619 | temp |= FDI_LINK_TRAIN_PATTERN_1_IVB; |
357555c0 | 3620 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
139ccd3f JB |
3621 | temp |= snb_b_fdi_train_param[j/2]; |
3622 | temp |= FDI_COMPOSITE_SYNC; | |
3623 | I915_WRITE(reg, temp | FDI_TX_ENABLE); | |
357555c0 | 3624 | |
139ccd3f JB |
3625 | I915_WRITE(FDI_RX_MISC(pipe), |
3626 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
357555c0 | 3627 | |
139ccd3f | 3628 | reg = FDI_RX_CTL(pipe); |
357555c0 | 3629 | temp = I915_READ(reg); |
139ccd3f JB |
3630 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
3631 | temp |= FDI_COMPOSITE_SYNC; | |
3632 | I915_WRITE(reg, temp | FDI_RX_ENABLE); | |
357555c0 | 3633 | |
139ccd3f JB |
3634 | POSTING_READ(reg); |
3635 | udelay(1); /* should be 0.5us */ | |
357555c0 | 3636 | |
139ccd3f JB |
3637 | for (i = 0; i < 4; i++) { |
3638 | reg = FDI_RX_IIR(pipe); | |
3639 | temp = I915_READ(reg); | |
3640 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
357555c0 | 3641 | |
139ccd3f JB |
3642 | if (temp & FDI_RX_BIT_LOCK || |
3643 | (I915_READ(reg) & FDI_RX_BIT_LOCK)) { | |
3644 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
3645 | DRM_DEBUG_KMS("FDI train 1 done, level %i.\n", | |
3646 | i); | |
3647 | break; | |
3648 | } | |
3649 | udelay(1); /* should be 0.5us */ | |
3650 | } | |
3651 | if (i == 4) { | |
3652 | DRM_DEBUG_KMS("FDI train 1 fail on vswing %d\n", j / 2); | |
3653 | continue; | |
3654 | } | |
357555c0 | 3655 | |
139ccd3f | 3656 | /* Train 2 */ |
357555c0 JB |
3657 | reg = FDI_TX_CTL(pipe); |
3658 | temp = I915_READ(reg); | |
139ccd3f JB |
3659 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
3660 | temp |= FDI_LINK_TRAIN_PATTERN_2_IVB; | |
3661 | I915_WRITE(reg, temp); | |
3662 | ||
3663 | reg = FDI_RX_CTL(pipe); | |
3664 | temp = I915_READ(reg); | |
3665 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3666 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
357555c0 JB |
3667 | I915_WRITE(reg, temp); |
3668 | ||
3669 | POSTING_READ(reg); | |
139ccd3f | 3670 | udelay(2); /* should be 1.5us */ |
357555c0 | 3671 | |
139ccd3f JB |
3672 | for (i = 0; i < 4; i++) { |
3673 | reg = FDI_RX_IIR(pipe); | |
3674 | temp = I915_READ(reg); | |
3675 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
357555c0 | 3676 | |
139ccd3f JB |
3677 | if (temp & FDI_RX_SYMBOL_LOCK || |
3678 | (I915_READ(reg) & FDI_RX_SYMBOL_LOCK)) { | |
3679 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
3680 | DRM_DEBUG_KMS("FDI train 2 done, level %i.\n", | |
3681 | i); | |
3682 | goto train_done; | |
3683 | } | |
3684 | udelay(2); /* should be 1.5us */ | |
357555c0 | 3685 | } |
139ccd3f JB |
3686 | if (i == 4) |
3687 | DRM_DEBUG_KMS("FDI train 2 fail on vswing %d\n", j / 2); | |
357555c0 | 3688 | } |
357555c0 | 3689 | |
139ccd3f | 3690 | train_done: |
357555c0 JB |
3691 | DRM_DEBUG_KMS("FDI train done.\n"); |
3692 | } | |
3693 | ||
88cefb6c | 3694 | static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc) |
2c07245f | 3695 | { |
88cefb6c | 3696 | struct drm_device *dev = intel_crtc->base.dev; |
2c07245f | 3697 | struct drm_i915_private *dev_priv = dev->dev_private; |
2c07245f | 3698 | int pipe = intel_crtc->pipe; |
5eddb70b | 3699 | u32 reg, temp; |
79e53945 | 3700 | |
c64e311e | 3701 | |
c98e9dcf | 3702 | /* enable PCH FDI RX PLL, wait warmup plus DMI latency */ |
5eddb70b CW |
3703 | reg = FDI_RX_CTL(pipe); |
3704 | temp = I915_READ(reg); | |
627eb5a3 | 3705 | temp &= ~(FDI_DP_PORT_WIDTH_MASK | (0x7 << 16)); |
6e3c9717 | 3706 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
dfd07d72 | 3707 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
5eddb70b CW |
3708 | I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE); |
3709 | ||
3710 | POSTING_READ(reg); | |
c98e9dcf JB |
3711 | udelay(200); |
3712 | ||
3713 | /* Switch from Rawclk to PCDclk */ | |
5eddb70b CW |
3714 | temp = I915_READ(reg); |
3715 | I915_WRITE(reg, temp | FDI_PCDCLK); | |
3716 | ||
3717 | POSTING_READ(reg); | |
c98e9dcf JB |
3718 | udelay(200); |
3719 | ||
20749730 PZ |
3720 | /* Enable CPU FDI TX PLL, always on for Ironlake */ |
3721 | reg = FDI_TX_CTL(pipe); | |
3722 | temp = I915_READ(reg); | |
3723 | if ((temp & FDI_TX_PLL_ENABLE) == 0) { | |
3724 | I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE); | |
5eddb70b | 3725 | |
20749730 PZ |
3726 | POSTING_READ(reg); |
3727 | udelay(100); | |
6be4a607 | 3728 | } |
0e23b99d JB |
3729 | } |
3730 | ||
88cefb6c DV |
3731 | static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc) |
3732 | { | |
3733 | struct drm_device *dev = intel_crtc->base.dev; | |
3734 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3735 | int pipe = intel_crtc->pipe; | |
3736 | u32 reg, temp; | |
3737 | ||
3738 | /* Switch from PCDclk to Rawclk */ | |
3739 | reg = FDI_RX_CTL(pipe); | |
3740 | temp = I915_READ(reg); | |
3741 | I915_WRITE(reg, temp & ~FDI_PCDCLK); | |
3742 | ||
3743 | /* Disable CPU FDI TX PLL */ | |
3744 | reg = FDI_TX_CTL(pipe); | |
3745 | temp = I915_READ(reg); | |
3746 | I915_WRITE(reg, temp & ~FDI_TX_PLL_ENABLE); | |
3747 | ||
3748 | POSTING_READ(reg); | |
3749 | udelay(100); | |
3750 | ||
3751 | reg = FDI_RX_CTL(pipe); | |
3752 | temp = I915_READ(reg); | |
3753 | I915_WRITE(reg, temp & ~FDI_RX_PLL_ENABLE); | |
3754 | ||
3755 | /* Wait for the clocks to turn off. */ | |
3756 | POSTING_READ(reg); | |
3757 | udelay(100); | |
3758 | } | |
3759 | ||
0fc932b8 JB |
3760 | static void ironlake_fdi_disable(struct drm_crtc *crtc) |
3761 | { | |
3762 | struct drm_device *dev = crtc->dev; | |
3763 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3764 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3765 | int pipe = intel_crtc->pipe; | |
3766 | u32 reg, temp; | |
3767 | ||
3768 | /* disable CPU FDI tx and PCH FDI rx */ | |
3769 | reg = FDI_TX_CTL(pipe); | |
3770 | temp = I915_READ(reg); | |
3771 | I915_WRITE(reg, temp & ~FDI_TX_ENABLE); | |
3772 | POSTING_READ(reg); | |
3773 | ||
3774 | reg = FDI_RX_CTL(pipe); | |
3775 | temp = I915_READ(reg); | |
3776 | temp &= ~(0x7 << 16); | |
dfd07d72 | 3777 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
3778 | I915_WRITE(reg, temp & ~FDI_RX_ENABLE); |
3779 | ||
3780 | POSTING_READ(reg); | |
3781 | udelay(100); | |
3782 | ||
3783 | /* Ironlake workaround, disable clock pointer after downing FDI */ | |
eba905b2 | 3784 | if (HAS_PCH_IBX(dev)) |
6f06ce18 | 3785 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
0fc932b8 JB |
3786 | |
3787 | /* still set train pattern 1 */ | |
3788 | reg = FDI_TX_CTL(pipe); | |
3789 | temp = I915_READ(reg); | |
3790 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3791 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3792 | I915_WRITE(reg, temp); | |
3793 | ||
3794 | reg = FDI_RX_CTL(pipe); | |
3795 | temp = I915_READ(reg); | |
3796 | if (HAS_PCH_CPT(dev)) { | |
3797 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3798 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
3799 | } else { | |
3800 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3801 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3802 | } | |
3803 | /* BPC in FDI rx is consistent with that in PIPECONF */ | |
3804 | temp &= ~(0x07 << 16); | |
dfd07d72 | 3805 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
3806 | I915_WRITE(reg, temp); |
3807 | ||
3808 | POSTING_READ(reg); | |
3809 | udelay(100); | |
3810 | } | |
3811 | ||
5dce5b93 CW |
3812 | bool intel_has_pending_fb_unpin(struct drm_device *dev) |
3813 | { | |
3814 | struct intel_crtc *crtc; | |
3815 | ||
3816 | /* Note that we don't need to be called with mode_config.lock here | |
3817 | * as our list of CRTC objects is static for the lifetime of the | |
3818 | * device and so cannot disappear as we iterate. Similarly, we can | |
3819 | * happily treat the predicates as racy, atomic checks as userspace | |
3820 | * cannot claim and pin a new fb without at least acquring the | |
3821 | * struct_mutex and so serialising with us. | |
3822 | */ | |
d3fcc808 | 3823 | for_each_intel_crtc(dev, crtc) { |
5dce5b93 CW |
3824 | if (atomic_read(&crtc->unpin_work_count) == 0) |
3825 | continue; | |
3826 | ||
3827 | if (crtc->unpin_work) | |
3828 | intel_wait_for_vblank(dev, crtc->pipe); | |
3829 | ||
3830 | return true; | |
3831 | } | |
3832 | ||
3833 | return false; | |
3834 | } | |
3835 | ||
d6bbafa1 CW |
3836 | static void page_flip_completed(struct intel_crtc *intel_crtc) |
3837 | { | |
3838 | struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev); | |
3839 | struct intel_unpin_work *work = intel_crtc->unpin_work; | |
3840 | ||
3841 | /* ensure that the unpin work is consistent wrt ->pending. */ | |
3842 | smp_rmb(); | |
3843 | intel_crtc->unpin_work = NULL; | |
3844 | ||
3845 | if (work->event) | |
3846 | drm_send_vblank_event(intel_crtc->base.dev, | |
3847 | intel_crtc->pipe, | |
3848 | work->event); | |
3849 | ||
3850 | drm_crtc_vblank_put(&intel_crtc->base); | |
3851 | ||
3852 | wake_up_all(&dev_priv->pending_flip_queue); | |
3853 | queue_work(dev_priv->wq, &work->work); | |
3854 | ||
3855 | trace_i915_flip_complete(intel_crtc->plane, | |
3856 | work->pending_flip_obj); | |
3857 | } | |
3858 | ||
46a55d30 | 3859 | void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) |
e6c3a2a6 | 3860 | { |
0f91128d | 3861 | struct drm_device *dev = crtc->dev; |
5bb61643 | 3862 | struct drm_i915_private *dev_priv = dev->dev_private; |
e6c3a2a6 | 3863 | |
2c10d571 | 3864 | WARN_ON(waitqueue_active(&dev_priv->pending_flip_queue)); |
9c787942 CW |
3865 | if (WARN_ON(wait_event_timeout(dev_priv->pending_flip_queue, |
3866 | !intel_crtc_has_pending_flip(crtc), | |
3867 | 60*HZ) == 0)) { | |
3868 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2c10d571 | 3869 | |
5e2d7afc | 3870 | spin_lock_irq(&dev->event_lock); |
9c787942 CW |
3871 | if (intel_crtc->unpin_work) { |
3872 | WARN_ONCE(1, "Removing stuck page flip\n"); | |
3873 | page_flip_completed(intel_crtc); | |
3874 | } | |
5e2d7afc | 3875 | spin_unlock_irq(&dev->event_lock); |
9c787942 | 3876 | } |
5bb61643 | 3877 | |
975d568a CW |
3878 | if (crtc->primary->fb) { |
3879 | mutex_lock(&dev->struct_mutex); | |
3880 | intel_finish_fb(crtc->primary->fb); | |
3881 | mutex_unlock(&dev->struct_mutex); | |
3882 | } | |
e6c3a2a6 CW |
3883 | } |
3884 | ||
e615efe4 ED |
3885 | /* Program iCLKIP clock to the desired frequency */ |
3886 | static void lpt_program_iclkip(struct drm_crtc *crtc) | |
3887 | { | |
3888 | struct drm_device *dev = crtc->dev; | |
3889 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6e3c9717 | 3890 | int clock = to_intel_crtc(crtc)->config->base.adjusted_mode.crtc_clock; |
e615efe4 ED |
3891 | u32 divsel, phaseinc, auxdiv, phasedir = 0; |
3892 | u32 temp; | |
3893 | ||
a580516d | 3894 | mutex_lock(&dev_priv->sb_lock); |
09153000 | 3895 | |
e615efe4 ED |
3896 | /* It is necessary to ungate the pixclk gate prior to programming |
3897 | * the divisors, and gate it back when it is done. | |
3898 | */ | |
3899 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_GATE); | |
3900 | ||
3901 | /* Disable SSCCTL */ | |
3902 | intel_sbi_write(dev_priv, SBI_SSCCTL6, | |
988d6ee8 PZ |
3903 | intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK) | |
3904 | SBI_SSCCTL_DISABLE, | |
3905 | SBI_ICLK); | |
e615efe4 ED |
3906 | |
3907 | /* 20MHz is a corner case which is out of range for the 7-bit divisor */ | |
12d7ceed | 3908 | if (clock == 20000) { |
e615efe4 ED |
3909 | auxdiv = 1; |
3910 | divsel = 0x41; | |
3911 | phaseinc = 0x20; | |
3912 | } else { | |
3913 | /* The iCLK virtual clock root frequency is in MHz, | |
241bfc38 DL |
3914 | * but the adjusted_mode->crtc_clock in in KHz. To get the |
3915 | * divisors, it is necessary to divide one by another, so we | |
e615efe4 ED |
3916 | * convert the virtual clock precision to KHz here for higher |
3917 | * precision. | |
3918 | */ | |
3919 | u32 iclk_virtual_root_freq = 172800 * 1000; | |
3920 | u32 iclk_pi_range = 64; | |
3921 | u32 desired_divisor, msb_divisor_value, pi_value; | |
3922 | ||
12d7ceed | 3923 | desired_divisor = (iclk_virtual_root_freq / clock); |
e615efe4 ED |
3924 | msb_divisor_value = desired_divisor / iclk_pi_range; |
3925 | pi_value = desired_divisor % iclk_pi_range; | |
3926 | ||
3927 | auxdiv = 0; | |
3928 | divsel = msb_divisor_value - 2; | |
3929 | phaseinc = pi_value; | |
3930 | } | |
3931 | ||
3932 | /* This should not happen with any sane values */ | |
3933 | WARN_ON(SBI_SSCDIVINTPHASE_DIVSEL(divsel) & | |
3934 | ~SBI_SSCDIVINTPHASE_DIVSEL_MASK); | |
3935 | WARN_ON(SBI_SSCDIVINTPHASE_DIR(phasedir) & | |
3936 | ~SBI_SSCDIVINTPHASE_INCVAL_MASK); | |
3937 | ||
3938 | DRM_DEBUG_KMS("iCLKIP clock: found settings for %dKHz refresh rate: auxdiv=%x, divsel=%x, phasedir=%x, phaseinc=%x\n", | |
12d7ceed | 3939 | clock, |
e615efe4 ED |
3940 | auxdiv, |
3941 | divsel, | |
3942 | phasedir, | |
3943 | phaseinc); | |
3944 | ||
3945 | /* Program SSCDIVINTPHASE6 */ | |
988d6ee8 | 3946 | temp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE6, SBI_ICLK); |
e615efe4 ED |
3947 | temp &= ~SBI_SSCDIVINTPHASE_DIVSEL_MASK; |
3948 | temp |= SBI_SSCDIVINTPHASE_DIVSEL(divsel); | |
3949 | temp &= ~SBI_SSCDIVINTPHASE_INCVAL_MASK; | |
3950 | temp |= SBI_SSCDIVINTPHASE_INCVAL(phaseinc); | |
3951 | temp |= SBI_SSCDIVINTPHASE_DIR(phasedir); | |
3952 | temp |= SBI_SSCDIVINTPHASE_PROPAGATE; | |
988d6ee8 | 3953 | intel_sbi_write(dev_priv, SBI_SSCDIVINTPHASE6, temp, SBI_ICLK); |
e615efe4 ED |
3954 | |
3955 | /* Program SSCAUXDIV */ | |
988d6ee8 | 3956 | temp = intel_sbi_read(dev_priv, SBI_SSCAUXDIV6, SBI_ICLK); |
e615efe4 ED |
3957 | temp &= ~SBI_SSCAUXDIV_FINALDIV2SEL(1); |
3958 | temp |= SBI_SSCAUXDIV_FINALDIV2SEL(auxdiv); | |
988d6ee8 | 3959 | intel_sbi_write(dev_priv, SBI_SSCAUXDIV6, temp, SBI_ICLK); |
e615efe4 ED |
3960 | |
3961 | /* Enable modulator and associated divider */ | |
988d6ee8 | 3962 | temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); |
e615efe4 | 3963 | temp &= ~SBI_SSCCTL_DISABLE; |
988d6ee8 | 3964 | intel_sbi_write(dev_priv, SBI_SSCCTL6, temp, SBI_ICLK); |
e615efe4 ED |
3965 | |
3966 | /* Wait for initialization time */ | |
3967 | udelay(24); | |
3968 | ||
3969 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_UNGATE); | |
09153000 | 3970 | |
a580516d | 3971 | mutex_unlock(&dev_priv->sb_lock); |
e615efe4 ED |
3972 | } |
3973 | ||
275f01b2 DV |
3974 | static void ironlake_pch_transcoder_set_timings(struct intel_crtc *crtc, |
3975 | enum pipe pch_transcoder) | |
3976 | { | |
3977 | struct drm_device *dev = crtc->base.dev; | |
3978 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6e3c9717 | 3979 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
275f01b2 DV |
3980 | |
3981 | I915_WRITE(PCH_TRANS_HTOTAL(pch_transcoder), | |
3982 | I915_READ(HTOTAL(cpu_transcoder))); | |
3983 | I915_WRITE(PCH_TRANS_HBLANK(pch_transcoder), | |
3984 | I915_READ(HBLANK(cpu_transcoder))); | |
3985 | I915_WRITE(PCH_TRANS_HSYNC(pch_transcoder), | |
3986 | I915_READ(HSYNC(cpu_transcoder))); | |
3987 | ||
3988 | I915_WRITE(PCH_TRANS_VTOTAL(pch_transcoder), | |
3989 | I915_READ(VTOTAL(cpu_transcoder))); | |
3990 | I915_WRITE(PCH_TRANS_VBLANK(pch_transcoder), | |
3991 | I915_READ(VBLANK(cpu_transcoder))); | |
3992 | I915_WRITE(PCH_TRANS_VSYNC(pch_transcoder), | |
3993 | I915_READ(VSYNC(cpu_transcoder))); | |
3994 | I915_WRITE(PCH_TRANS_VSYNCSHIFT(pch_transcoder), | |
3995 | I915_READ(VSYNCSHIFT(cpu_transcoder))); | |
3996 | } | |
3997 | ||
003632d9 | 3998 | static void cpt_set_fdi_bc_bifurcation(struct drm_device *dev, bool enable) |
1fbc0d78 DV |
3999 | { |
4000 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4001 | uint32_t temp; | |
4002 | ||
4003 | temp = I915_READ(SOUTH_CHICKEN1); | |
003632d9 | 4004 | if (!!(temp & FDI_BC_BIFURCATION_SELECT) == enable) |
1fbc0d78 DV |
4005 | return; |
4006 | ||
4007 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); | |
4008 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); | |
4009 | ||
003632d9 ACO |
4010 | temp &= ~FDI_BC_BIFURCATION_SELECT; |
4011 | if (enable) | |
4012 | temp |= FDI_BC_BIFURCATION_SELECT; | |
4013 | ||
4014 | DRM_DEBUG_KMS("%sabling fdi C rx\n", enable ? "en" : "dis"); | |
1fbc0d78 DV |
4015 | I915_WRITE(SOUTH_CHICKEN1, temp); |
4016 | POSTING_READ(SOUTH_CHICKEN1); | |
4017 | } | |
4018 | ||
4019 | static void ivybridge_update_fdi_bc_bifurcation(struct intel_crtc *intel_crtc) | |
4020 | { | |
4021 | struct drm_device *dev = intel_crtc->base.dev; | |
1fbc0d78 DV |
4022 | |
4023 | switch (intel_crtc->pipe) { | |
4024 | case PIPE_A: | |
4025 | break; | |
4026 | case PIPE_B: | |
6e3c9717 | 4027 | if (intel_crtc->config->fdi_lanes > 2) |
003632d9 | 4028 | cpt_set_fdi_bc_bifurcation(dev, false); |
1fbc0d78 | 4029 | else |
003632d9 | 4030 | cpt_set_fdi_bc_bifurcation(dev, true); |
1fbc0d78 DV |
4031 | |
4032 | break; | |
4033 | case PIPE_C: | |
003632d9 | 4034 | cpt_set_fdi_bc_bifurcation(dev, true); |
1fbc0d78 DV |
4035 | |
4036 | break; | |
4037 | default: | |
4038 | BUG(); | |
4039 | } | |
4040 | } | |
4041 | ||
f67a559d JB |
4042 | /* |
4043 | * Enable PCH resources required for PCH ports: | |
4044 | * - PCH PLLs | |
4045 | * - FDI training & RX/TX | |
4046 | * - update transcoder timings | |
4047 | * - DP transcoding bits | |
4048 | * - transcoder | |
4049 | */ | |
4050 | static void ironlake_pch_enable(struct drm_crtc *crtc) | |
0e23b99d JB |
4051 | { |
4052 | struct drm_device *dev = crtc->dev; | |
4053 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4054 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4055 | int pipe = intel_crtc->pipe; | |
ee7b9f93 | 4056 | u32 reg, temp; |
2c07245f | 4057 | |
ab9412ba | 4058 | assert_pch_transcoder_disabled(dev_priv, pipe); |
e7e164db | 4059 | |
1fbc0d78 DV |
4060 | if (IS_IVYBRIDGE(dev)) |
4061 | ivybridge_update_fdi_bc_bifurcation(intel_crtc); | |
4062 | ||
cd986abb DV |
4063 | /* Write the TU size bits before fdi link training, so that error |
4064 | * detection works. */ | |
4065 | I915_WRITE(FDI_RX_TUSIZE1(pipe), | |
4066 | I915_READ(PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); | |
4067 | ||
c98e9dcf | 4068 | /* For PCH output, training FDI link */ |
674cf967 | 4069 | dev_priv->display.fdi_link_train(crtc); |
2c07245f | 4070 | |
3ad8a208 DV |
4071 | /* We need to program the right clock selection before writing the pixel |
4072 | * mutliplier into the DPLL. */ | |
303b81e0 | 4073 | if (HAS_PCH_CPT(dev)) { |
ee7b9f93 | 4074 | u32 sel; |
4b645f14 | 4075 | |
c98e9dcf | 4076 | temp = I915_READ(PCH_DPLL_SEL); |
11887397 DV |
4077 | temp |= TRANS_DPLL_ENABLE(pipe); |
4078 | sel = TRANS_DPLLB_SEL(pipe); | |
6e3c9717 | 4079 | if (intel_crtc->config->shared_dpll == DPLL_ID_PCH_PLL_B) |
ee7b9f93 JB |
4080 | temp |= sel; |
4081 | else | |
4082 | temp &= ~sel; | |
c98e9dcf | 4083 | I915_WRITE(PCH_DPLL_SEL, temp); |
c98e9dcf | 4084 | } |
5eddb70b | 4085 | |
3ad8a208 DV |
4086 | /* XXX: pch pll's can be enabled any time before we enable the PCH |
4087 | * transcoder, and we actually should do this to not upset any PCH | |
4088 | * transcoder that already use the clock when we share it. | |
4089 | * | |
4090 | * Note that enable_shared_dpll tries to do the right thing, but | |
4091 | * get_shared_dpll unconditionally resets the pll - we need that to have | |
4092 | * the right LVDS enable sequence. */ | |
85b3894f | 4093 | intel_enable_shared_dpll(intel_crtc); |
3ad8a208 | 4094 | |
d9b6cb56 JB |
4095 | /* set transcoder timing, panel must allow it */ |
4096 | assert_panel_unlocked(dev_priv, pipe); | |
275f01b2 | 4097 | ironlake_pch_transcoder_set_timings(intel_crtc, pipe); |
8db9d77b | 4098 | |
303b81e0 | 4099 | intel_fdi_normal_train(crtc); |
5e84e1a4 | 4100 | |
c98e9dcf | 4101 | /* For PCH DP, enable TRANS_DP_CTL */ |
6e3c9717 | 4102 | if (HAS_PCH_CPT(dev) && intel_crtc->config->has_dp_encoder) { |
dfd07d72 | 4103 | u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) >> 5; |
5eddb70b CW |
4104 | reg = TRANS_DP_CTL(pipe); |
4105 | temp = I915_READ(reg); | |
4106 | temp &= ~(TRANS_DP_PORT_SEL_MASK | | |
220cad3c EA |
4107 | TRANS_DP_SYNC_MASK | |
4108 | TRANS_DP_BPC_MASK); | |
e3ef4479 | 4109 | temp |= TRANS_DP_OUTPUT_ENABLE; |
9325c9f0 | 4110 | temp |= bpc << 9; /* same format but at 11:9 */ |
c98e9dcf JB |
4111 | |
4112 | if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC) | |
5eddb70b | 4113 | temp |= TRANS_DP_HSYNC_ACTIVE_HIGH; |
c98e9dcf | 4114 | if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC) |
5eddb70b | 4115 | temp |= TRANS_DP_VSYNC_ACTIVE_HIGH; |
c98e9dcf JB |
4116 | |
4117 | switch (intel_trans_dp_port_sel(crtc)) { | |
4118 | case PCH_DP_B: | |
5eddb70b | 4119 | temp |= TRANS_DP_PORT_SEL_B; |
c98e9dcf JB |
4120 | break; |
4121 | case PCH_DP_C: | |
5eddb70b | 4122 | temp |= TRANS_DP_PORT_SEL_C; |
c98e9dcf JB |
4123 | break; |
4124 | case PCH_DP_D: | |
5eddb70b | 4125 | temp |= TRANS_DP_PORT_SEL_D; |
c98e9dcf JB |
4126 | break; |
4127 | default: | |
e95d41e1 | 4128 | BUG(); |
32f9d658 | 4129 | } |
2c07245f | 4130 | |
5eddb70b | 4131 | I915_WRITE(reg, temp); |
6be4a607 | 4132 | } |
b52eb4dc | 4133 | |
b8a4f404 | 4134 | ironlake_enable_pch_transcoder(dev_priv, pipe); |
f67a559d JB |
4135 | } |
4136 | ||
1507e5bd PZ |
4137 | static void lpt_pch_enable(struct drm_crtc *crtc) |
4138 | { | |
4139 | struct drm_device *dev = crtc->dev; | |
4140 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4141 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6e3c9717 | 4142 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
1507e5bd | 4143 | |
ab9412ba | 4144 | assert_pch_transcoder_disabled(dev_priv, TRANSCODER_A); |
1507e5bd | 4145 | |
8c52b5e8 | 4146 | lpt_program_iclkip(crtc); |
1507e5bd | 4147 | |
0540e488 | 4148 | /* Set transcoder timing. */ |
275f01b2 | 4149 | ironlake_pch_transcoder_set_timings(intel_crtc, PIPE_A); |
1507e5bd | 4150 | |
937bb610 | 4151 | lpt_enable_pch_transcoder(dev_priv, cpu_transcoder); |
f67a559d JB |
4152 | } |
4153 | ||
190f68c5 ACO |
4154 | struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc, |
4155 | struct intel_crtc_state *crtc_state) | |
ee7b9f93 | 4156 | { |
e2b78267 | 4157 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
8bd31e67 | 4158 | struct intel_shared_dpll *pll; |
de419ab6 | 4159 | struct intel_shared_dpll_config *shared_dpll; |
e2b78267 | 4160 | enum intel_dpll_id i; |
ee7b9f93 | 4161 | |
de419ab6 ML |
4162 | shared_dpll = intel_atomic_get_shared_dpll_state(crtc_state->base.state); |
4163 | ||
98b6bd99 DV |
4164 | if (HAS_PCH_IBX(dev_priv->dev)) { |
4165 | /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */ | |
d94ab068 | 4166 | i = (enum intel_dpll_id) crtc->pipe; |
e72f9fbf | 4167 | pll = &dev_priv->shared_dplls[i]; |
98b6bd99 | 4168 | |
46edb027 DV |
4169 | DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n", |
4170 | crtc->base.base.id, pll->name); | |
98b6bd99 | 4171 | |
de419ab6 | 4172 | WARN_ON(shared_dpll[i].crtc_mask); |
f2a69f44 | 4173 | |
98b6bd99 DV |
4174 | goto found; |
4175 | } | |
4176 | ||
bcddf610 S |
4177 | if (IS_BROXTON(dev_priv->dev)) { |
4178 | /* PLL is attached to port in bxt */ | |
4179 | struct intel_encoder *encoder; | |
4180 | struct intel_digital_port *intel_dig_port; | |
4181 | ||
4182 | encoder = intel_ddi_get_crtc_new_encoder(crtc_state); | |
4183 | if (WARN_ON(!encoder)) | |
4184 | return NULL; | |
4185 | ||
4186 | intel_dig_port = enc_to_dig_port(&encoder->base); | |
4187 | /* 1:1 mapping between ports and PLLs */ | |
4188 | i = (enum intel_dpll_id)intel_dig_port->port; | |
4189 | pll = &dev_priv->shared_dplls[i]; | |
4190 | DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n", | |
4191 | crtc->base.base.id, pll->name); | |
de419ab6 | 4192 | WARN_ON(shared_dpll[i].crtc_mask); |
bcddf610 S |
4193 | |
4194 | goto found; | |
4195 | } | |
4196 | ||
e72f9fbf DV |
4197 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
4198 | pll = &dev_priv->shared_dplls[i]; | |
ee7b9f93 JB |
4199 | |
4200 | /* Only want to check enabled timings first */ | |
de419ab6 | 4201 | if (shared_dpll[i].crtc_mask == 0) |
ee7b9f93 JB |
4202 | continue; |
4203 | ||
190f68c5 | 4204 | if (memcmp(&crtc_state->dpll_hw_state, |
de419ab6 ML |
4205 | &shared_dpll[i].hw_state, |
4206 | sizeof(crtc_state->dpll_hw_state)) == 0) { | |
8bd31e67 | 4207 | DRM_DEBUG_KMS("CRTC:%d sharing existing %s (crtc mask 0x%08x, ative %d)\n", |
1e6f2ddc | 4208 | crtc->base.base.id, pll->name, |
de419ab6 | 4209 | shared_dpll[i].crtc_mask, |
8bd31e67 | 4210 | pll->active); |
ee7b9f93 JB |
4211 | goto found; |
4212 | } | |
4213 | } | |
4214 | ||
4215 | /* Ok no matching timings, maybe there's a free one? */ | |
e72f9fbf DV |
4216 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
4217 | pll = &dev_priv->shared_dplls[i]; | |
de419ab6 | 4218 | if (shared_dpll[i].crtc_mask == 0) { |
46edb027 DV |
4219 | DRM_DEBUG_KMS("CRTC:%d allocated %s\n", |
4220 | crtc->base.base.id, pll->name); | |
ee7b9f93 JB |
4221 | goto found; |
4222 | } | |
4223 | } | |
4224 | ||
4225 | return NULL; | |
4226 | ||
4227 | found: | |
de419ab6 ML |
4228 | if (shared_dpll[i].crtc_mask == 0) |
4229 | shared_dpll[i].hw_state = | |
4230 | crtc_state->dpll_hw_state; | |
f2a69f44 | 4231 | |
190f68c5 | 4232 | crtc_state->shared_dpll = i; |
46edb027 DV |
4233 | DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name, |
4234 | pipe_name(crtc->pipe)); | |
ee7b9f93 | 4235 | |
de419ab6 | 4236 | shared_dpll[i].crtc_mask |= 1 << crtc->pipe; |
e04c7350 | 4237 | |
ee7b9f93 JB |
4238 | return pll; |
4239 | } | |
4240 | ||
de419ab6 | 4241 | static void intel_shared_dpll_commit(struct drm_atomic_state *state) |
8bd31e67 | 4242 | { |
de419ab6 ML |
4243 | struct drm_i915_private *dev_priv = to_i915(state->dev); |
4244 | struct intel_shared_dpll_config *shared_dpll; | |
8bd31e67 ACO |
4245 | struct intel_shared_dpll *pll; |
4246 | enum intel_dpll_id i; | |
4247 | ||
de419ab6 ML |
4248 | if (!to_intel_atomic_state(state)->dpll_set) |
4249 | return; | |
8bd31e67 | 4250 | |
de419ab6 | 4251 | shared_dpll = to_intel_atomic_state(state)->shared_dpll; |
8bd31e67 ACO |
4252 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
4253 | pll = &dev_priv->shared_dplls[i]; | |
de419ab6 | 4254 | pll->config = shared_dpll[i]; |
8bd31e67 ACO |
4255 | } |
4256 | } | |
4257 | ||
a1520318 | 4258 | static void cpt_verify_modeset(struct drm_device *dev, int pipe) |
d4270e57 JB |
4259 | { |
4260 | struct drm_i915_private *dev_priv = dev->dev_private; | |
23670b32 | 4261 | int dslreg = PIPEDSL(pipe); |
d4270e57 JB |
4262 | u32 temp; |
4263 | ||
4264 | temp = I915_READ(dslreg); | |
4265 | udelay(500); | |
4266 | if (wait_for(I915_READ(dslreg) != temp, 5)) { | |
d4270e57 | 4267 | if (wait_for(I915_READ(dslreg) != temp, 5)) |
84f44ce7 | 4268 | DRM_ERROR("mode set failed: pipe %c stuck\n", pipe_name(pipe)); |
d4270e57 JB |
4269 | } |
4270 | } | |
4271 | ||
86adf9d7 ML |
4272 | static int |
4273 | skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach, | |
4274 | unsigned scaler_user, int *scaler_id, unsigned int rotation, | |
4275 | int src_w, int src_h, int dst_w, int dst_h) | |
a1b2278e | 4276 | { |
86adf9d7 ML |
4277 | struct intel_crtc_scaler_state *scaler_state = |
4278 | &crtc_state->scaler_state; | |
4279 | struct intel_crtc *intel_crtc = | |
4280 | to_intel_crtc(crtc_state->base.crtc); | |
a1b2278e | 4281 | int need_scaling; |
6156a456 CK |
4282 | |
4283 | need_scaling = intel_rotation_90_or_270(rotation) ? | |
4284 | (src_h != dst_w || src_w != dst_h): | |
4285 | (src_w != dst_w || src_h != dst_h); | |
a1b2278e CK |
4286 | |
4287 | /* | |
4288 | * if plane is being disabled or scaler is no more required or force detach | |
4289 | * - free scaler binded to this plane/crtc | |
4290 | * - in order to do this, update crtc->scaler_usage | |
4291 | * | |
4292 | * Here scaler state in crtc_state is set free so that | |
4293 | * scaler can be assigned to other user. Actual register | |
4294 | * update to free the scaler is done in plane/panel-fit programming. | |
4295 | * For this purpose crtc/plane_state->scaler_id isn't reset here. | |
4296 | */ | |
86adf9d7 | 4297 | if (force_detach || !need_scaling) { |
a1b2278e | 4298 | if (*scaler_id >= 0) { |
86adf9d7 | 4299 | scaler_state->scaler_users &= ~(1 << scaler_user); |
a1b2278e CK |
4300 | scaler_state->scalers[*scaler_id].in_use = 0; |
4301 | ||
86adf9d7 ML |
4302 | DRM_DEBUG_KMS("scaler_user index %u.%u: " |
4303 | "Staged freeing scaler id %d scaler_users = 0x%x\n", | |
4304 | intel_crtc->pipe, scaler_user, *scaler_id, | |
a1b2278e CK |
4305 | scaler_state->scaler_users); |
4306 | *scaler_id = -1; | |
4307 | } | |
4308 | return 0; | |
4309 | } | |
4310 | ||
4311 | /* range checks */ | |
4312 | if (src_w < SKL_MIN_SRC_W || src_h < SKL_MIN_SRC_H || | |
4313 | dst_w < SKL_MIN_DST_W || dst_h < SKL_MIN_DST_H || | |
4314 | ||
4315 | src_w > SKL_MAX_SRC_W || src_h > SKL_MAX_SRC_H || | |
4316 | dst_w > SKL_MAX_DST_W || dst_h > SKL_MAX_DST_H) { | |
86adf9d7 | 4317 | DRM_DEBUG_KMS("scaler_user index %u.%u: src %ux%u dst %ux%u " |
a1b2278e | 4318 | "size is out of scaler range\n", |
86adf9d7 | 4319 | intel_crtc->pipe, scaler_user, src_w, src_h, dst_w, dst_h); |
a1b2278e CK |
4320 | return -EINVAL; |
4321 | } | |
4322 | ||
86adf9d7 ML |
4323 | /* mark this plane as a scaler user in crtc_state */ |
4324 | scaler_state->scaler_users |= (1 << scaler_user); | |
4325 | DRM_DEBUG_KMS("scaler_user index %u.%u: " | |
4326 | "staged scaling request for %ux%u->%ux%u scaler_users = 0x%x\n", | |
4327 | intel_crtc->pipe, scaler_user, src_w, src_h, dst_w, dst_h, | |
4328 | scaler_state->scaler_users); | |
4329 | ||
4330 | return 0; | |
4331 | } | |
4332 | ||
4333 | /** | |
4334 | * skl_update_scaler_crtc - Stages update to scaler state for a given crtc. | |
4335 | * | |
4336 | * @state: crtc's scaler state | |
4337 | * @force_detach: whether to forcibly disable scaler | |
4338 | * | |
4339 | * Return | |
4340 | * 0 - scaler_usage updated successfully | |
4341 | * error - requested scaling cannot be supported or other error condition | |
4342 | */ | |
4343 | int skl_update_scaler_crtc(struct intel_crtc_state *state, int force_detach) | |
4344 | { | |
4345 | struct intel_crtc *intel_crtc = to_intel_crtc(state->base.crtc); | |
4346 | struct drm_display_mode *adjusted_mode = | |
4347 | &state->base.adjusted_mode; | |
4348 | ||
4349 | DRM_DEBUG_KMS("Updating scaler for [CRTC:%i] scaler_user index %u.%u\n", | |
4350 | intel_crtc->base.base.id, intel_crtc->pipe, SKL_CRTC_INDEX); | |
4351 | ||
4352 | return skl_update_scaler(state, force_detach, SKL_CRTC_INDEX, | |
4353 | &state->scaler_state.scaler_id, DRM_ROTATE_0, | |
4354 | state->pipe_src_w, state->pipe_src_h, | |
8c6cda29 | 4355 | adjusted_mode->hdisplay, adjusted_mode->vdisplay); |
86adf9d7 ML |
4356 | } |
4357 | ||
4358 | /** | |
4359 | * skl_update_scaler_plane - Stages update to scaler state for a given plane. | |
4360 | * | |
4361 | * @state: crtc's scaler state | |
86adf9d7 ML |
4362 | * @plane_state: atomic plane state to update |
4363 | * | |
4364 | * Return | |
4365 | * 0 - scaler_usage updated successfully | |
4366 | * error - requested scaling cannot be supported or other error condition | |
4367 | */ | |
da20eabd ML |
4368 | static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state, |
4369 | struct intel_plane_state *plane_state) | |
86adf9d7 ML |
4370 | { |
4371 | ||
4372 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); | |
da20eabd ML |
4373 | struct intel_plane *intel_plane = |
4374 | to_intel_plane(plane_state->base.plane); | |
86adf9d7 ML |
4375 | struct drm_framebuffer *fb = plane_state->base.fb; |
4376 | int ret; | |
4377 | ||
4378 | bool force_detach = !fb || !plane_state->visible; | |
4379 | ||
4380 | DRM_DEBUG_KMS("Updating scaler for [PLANE:%d] scaler_user index %u.%u\n", | |
4381 | intel_plane->base.base.id, intel_crtc->pipe, | |
4382 | drm_plane_index(&intel_plane->base)); | |
4383 | ||
4384 | ret = skl_update_scaler(crtc_state, force_detach, | |
4385 | drm_plane_index(&intel_plane->base), | |
4386 | &plane_state->scaler_id, | |
4387 | plane_state->base.rotation, | |
4388 | drm_rect_width(&plane_state->src) >> 16, | |
4389 | drm_rect_height(&plane_state->src) >> 16, | |
4390 | drm_rect_width(&plane_state->dst), | |
4391 | drm_rect_height(&plane_state->dst)); | |
4392 | ||
4393 | if (ret || plane_state->scaler_id < 0) | |
4394 | return ret; | |
4395 | ||
a1b2278e | 4396 | /* check colorkey */ |
818ed961 | 4397 | if (plane_state->ckey.flags != I915_SET_COLORKEY_NONE) { |
86adf9d7 | 4398 | DRM_DEBUG_KMS("[PLANE:%d] scaling with color key not allowed", |
818ed961 | 4399 | intel_plane->base.base.id); |
a1b2278e CK |
4400 | return -EINVAL; |
4401 | } | |
4402 | ||
4403 | /* Check src format */ | |
86adf9d7 ML |
4404 | switch (fb->pixel_format) { |
4405 | case DRM_FORMAT_RGB565: | |
4406 | case DRM_FORMAT_XBGR8888: | |
4407 | case DRM_FORMAT_XRGB8888: | |
4408 | case DRM_FORMAT_ABGR8888: | |
4409 | case DRM_FORMAT_ARGB8888: | |
4410 | case DRM_FORMAT_XRGB2101010: | |
4411 | case DRM_FORMAT_XBGR2101010: | |
4412 | case DRM_FORMAT_YUYV: | |
4413 | case DRM_FORMAT_YVYU: | |
4414 | case DRM_FORMAT_UYVY: | |
4415 | case DRM_FORMAT_VYUY: | |
4416 | break; | |
4417 | default: | |
4418 | DRM_DEBUG_KMS("[PLANE:%d] FB:%d unsupported scaling format 0x%x\n", | |
4419 | intel_plane->base.base.id, fb->base.id, fb->pixel_format); | |
4420 | return -EINVAL; | |
a1b2278e CK |
4421 | } |
4422 | ||
a1b2278e CK |
4423 | return 0; |
4424 | } | |
4425 | ||
4426 | static void skylake_pfit_update(struct intel_crtc *crtc, int enable) | |
bd2e244f JB |
4427 | { |
4428 | struct drm_device *dev = crtc->base.dev; | |
4429 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4430 | int pipe = crtc->pipe; | |
a1b2278e CK |
4431 | struct intel_crtc_scaler_state *scaler_state = |
4432 | &crtc->config->scaler_state; | |
4433 | ||
4434 | DRM_DEBUG_KMS("for crtc_state = %p\n", crtc->config); | |
4435 | ||
4436 | /* To update pfit, first update scaler state */ | |
86adf9d7 | 4437 | skl_update_scaler_crtc(crtc->config, !enable); |
a1b2278e CK |
4438 | intel_atomic_setup_scalers(crtc->base.dev, crtc, crtc->config); |
4439 | skl_detach_scalers(crtc); | |
4440 | if (!enable) | |
4441 | return; | |
bd2e244f | 4442 | |
6e3c9717 | 4443 | if (crtc->config->pch_pfit.enabled) { |
a1b2278e CK |
4444 | int id; |
4445 | ||
4446 | if (WARN_ON(crtc->config->scaler_state.scaler_id < 0)) { | |
4447 | DRM_ERROR("Requesting pfit without getting a scaler first\n"); | |
4448 | return; | |
4449 | } | |
4450 | ||
4451 | id = scaler_state->scaler_id; | |
4452 | I915_WRITE(SKL_PS_CTRL(pipe, id), PS_SCALER_EN | | |
4453 | PS_FILTER_MEDIUM | scaler_state->scalers[id].mode); | |
4454 | I915_WRITE(SKL_PS_WIN_POS(pipe, id), crtc->config->pch_pfit.pos); | |
4455 | I915_WRITE(SKL_PS_WIN_SZ(pipe, id), crtc->config->pch_pfit.size); | |
4456 | ||
4457 | DRM_DEBUG_KMS("for crtc_state = %p scaler_id = %d\n", crtc->config, id); | |
bd2e244f JB |
4458 | } |
4459 | } | |
4460 | ||
b074cec8 JB |
4461 | static void ironlake_pfit_enable(struct intel_crtc *crtc) |
4462 | { | |
4463 | struct drm_device *dev = crtc->base.dev; | |
4464 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4465 | int pipe = crtc->pipe; | |
4466 | ||
6e3c9717 | 4467 | if (crtc->config->pch_pfit.enabled) { |
b074cec8 JB |
4468 | /* Force use of hard-coded filter coefficients |
4469 | * as some pre-programmed values are broken, | |
4470 | * e.g. x201. | |
4471 | */ | |
4472 | if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) | |
4473 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | | |
4474 | PF_PIPE_SEL_IVB(pipe)); | |
4475 | else | |
4476 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); | |
6e3c9717 ACO |
4477 | I915_WRITE(PF_WIN_POS(pipe), crtc->config->pch_pfit.pos); |
4478 | I915_WRITE(PF_WIN_SZ(pipe), crtc->config->pch_pfit.size); | |
d4270e57 JB |
4479 | } |
4480 | } | |
4481 | ||
20bc8673 | 4482 | void hsw_enable_ips(struct intel_crtc *crtc) |
d77e4531 | 4483 | { |
cea165c3 VS |
4484 | struct drm_device *dev = crtc->base.dev; |
4485 | struct drm_i915_private *dev_priv = dev->dev_private; | |
d77e4531 | 4486 | |
6e3c9717 | 4487 | if (!crtc->config->ips_enabled) |
d77e4531 PZ |
4488 | return; |
4489 | ||
cea165c3 VS |
4490 | /* We can only enable IPS after we enable a plane and wait for a vblank */ |
4491 | intel_wait_for_vblank(dev, crtc->pipe); | |
4492 | ||
d77e4531 | 4493 | assert_plane_enabled(dev_priv, crtc->plane); |
cea165c3 | 4494 | if (IS_BROADWELL(dev)) { |
2a114cc1 BW |
4495 | mutex_lock(&dev_priv->rps.hw_lock); |
4496 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0xc0000000)); | |
4497 | mutex_unlock(&dev_priv->rps.hw_lock); | |
4498 | /* Quoting Art Runyan: "its not safe to expect any particular | |
4499 | * value in IPS_CTL bit 31 after enabling IPS through the | |
e59150dc JB |
4500 | * mailbox." Moreover, the mailbox may return a bogus state, |
4501 | * so we need to just enable it and continue on. | |
2a114cc1 BW |
4502 | */ |
4503 | } else { | |
4504 | I915_WRITE(IPS_CTL, IPS_ENABLE); | |
4505 | /* The bit only becomes 1 in the next vblank, so this wait here | |
4506 | * is essentially intel_wait_for_vblank. If we don't have this | |
4507 | * and don't wait for vblanks until the end of crtc_enable, then | |
4508 | * the HW state readout code will complain that the expected | |
4509 | * IPS_CTL value is not the one we read. */ | |
4510 | if (wait_for(I915_READ_NOTRACE(IPS_CTL) & IPS_ENABLE, 50)) | |
4511 | DRM_ERROR("Timed out waiting for IPS enable\n"); | |
4512 | } | |
d77e4531 PZ |
4513 | } |
4514 | ||
20bc8673 | 4515 | void hsw_disable_ips(struct intel_crtc *crtc) |
d77e4531 PZ |
4516 | { |
4517 | struct drm_device *dev = crtc->base.dev; | |
4518 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4519 | ||
6e3c9717 | 4520 | if (!crtc->config->ips_enabled) |
d77e4531 PZ |
4521 | return; |
4522 | ||
4523 | assert_plane_enabled(dev_priv, crtc->plane); | |
23d0b130 | 4524 | if (IS_BROADWELL(dev)) { |
2a114cc1 BW |
4525 | mutex_lock(&dev_priv->rps.hw_lock); |
4526 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0)); | |
4527 | mutex_unlock(&dev_priv->rps.hw_lock); | |
23d0b130 BW |
4528 | /* wait for pcode to finish disabling IPS, which may take up to 42ms */ |
4529 | if (wait_for((I915_READ(IPS_CTL) & IPS_ENABLE) == 0, 42)) | |
4530 | DRM_ERROR("Timed out waiting for IPS disable\n"); | |
e59150dc | 4531 | } else { |
2a114cc1 | 4532 | I915_WRITE(IPS_CTL, 0); |
e59150dc JB |
4533 | POSTING_READ(IPS_CTL); |
4534 | } | |
d77e4531 PZ |
4535 | |
4536 | /* We need to wait for a vblank before we can disable the plane. */ | |
4537 | intel_wait_for_vblank(dev, crtc->pipe); | |
4538 | } | |
4539 | ||
4540 | /** Loads the palette/gamma unit for the CRTC with the prepared values */ | |
4541 | static void intel_crtc_load_lut(struct drm_crtc *crtc) | |
4542 | { | |
4543 | struct drm_device *dev = crtc->dev; | |
4544 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4545 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4546 | enum pipe pipe = intel_crtc->pipe; | |
4547 | int palreg = PALETTE(pipe); | |
4548 | int i; | |
4549 | bool reenable_ips = false; | |
4550 | ||
4551 | /* The clocks have to be on to load the palette. */ | |
53d9f4e9 | 4552 | if (!crtc->state->active) |
d77e4531 PZ |
4553 | return; |
4554 | ||
50360403 | 4555 | if (HAS_GMCH_DISPLAY(dev_priv->dev)) { |
409ee761 | 4556 | if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI)) |
d77e4531 PZ |
4557 | assert_dsi_pll_enabled(dev_priv); |
4558 | else | |
4559 | assert_pll_enabled(dev_priv, pipe); | |
4560 | } | |
4561 | ||
4562 | /* use legacy palette for Ironlake */ | |
7a1db49a | 4563 | if (!HAS_GMCH_DISPLAY(dev)) |
d77e4531 PZ |
4564 | palreg = LGC_PALETTE(pipe); |
4565 | ||
4566 | /* Workaround : Do not read or write the pipe palette/gamma data while | |
4567 | * GAMMA_MODE is configured for split gamma and IPS_CTL has IPS enabled. | |
4568 | */ | |
6e3c9717 | 4569 | if (IS_HASWELL(dev) && intel_crtc->config->ips_enabled && |
d77e4531 PZ |
4570 | ((I915_READ(GAMMA_MODE(pipe)) & GAMMA_MODE_MODE_MASK) == |
4571 | GAMMA_MODE_MODE_SPLIT)) { | |
4572 | hsw_disable_ips(intel_crtc); | |
4573 | reenable_ips = true; | |
4574 | } | |
4575 | ||
4576 | for (i = 0; i < 256; i++) { | |
4577 | I915_WRITE(palreg + 4 * i, | |
4578 | (intel_crtc->lut_r[i] << 16) | | |
4579 | (intel_crtc->lut_g[i] << 8) | | |
4580 | intel_crtc->lut_b[i]); | |
4581 | } | |
4582 | ||
4583 | if (reenable_ips) | |
4584 | hsw_enable_ips(intel_crtc); | |
4585 | } | |
4586 | ||
7cac945f | 4587 | static void intel_crtc_dpms_overlay_disable(struct intel_crtc *intel_crtc) |
d3eedb1a | 4588 | { |
7cac945f | 4589 | if (intel_crtc->overlay) { |
d3eedb1a VS |
4590 | struct drm_device *dev = intel_crtc->base.dev; |
4591 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4592 | ||
4593 | mutex_lock(&dev->struct_mutex); | |
4594 | dev_priv->mm.interruptible = false; | |
4595 | (void) intel_overlay_switch_off(intel_crtc->overlay); | |
4596 | dev_priv->mm.interruptible = true; | |
4597 | mutex_unlock(&dev->struct_mutex); | |
4598 | } | |
4599 | ||
4600 | /* Let userspace switch the overlay on again. In most cases userspace | |
4601 | * has to recompute where to put it anyway. | |
4602 | */ | |
4603 | } | |
4604 | ||
87d4300a ML |
4605 | /** |
4606 | * intel_post_enable_primary - Perform operations after enabling primary plane | |
4607 | * @crtc: the CRTC whose primary plane was just enabled | |
4608 | * | |
4609 | * Performs potentially sleeping operations that must be done after the primary | |
4610 | * plane is enabled, such as updating FBC and IPS. Note that this may be | |
4611 | * called due to an explicit primary plane update, or due to an implicit | |
4612 | * re-enable that is caused when a sprite plane is updated to no longer | |
4613 | * completely hide the primary plane. | |
4614 | */ | |
4615 | static void | |
4616 | intel_post_enable_primary(struct drm_crtc *crtc) | |
a5c4d7bc VS |
4617 | { |
4618 | struct drm_device *dev = crtc->dev; | |
87d4300a | 4619 | struct drm_i915_private *dev_priv = dev->dev_private; |
a5c4d7bc VS |
4620 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4621 | int pipe = intel_crtc->pipe; | |
a5c4d7bc | 4622 | |
87d4300a ML |
4623 | /* |
4624 | * BDW signals flip done immediately if the plane | |
4625 | * is disabled, even if the plane enable is already | |
4626 | * armed to occur at the next vblank :( | |
4627 | */ | |
4628 | if (IS_BROADWELL(dev)) | |
4629 | intel_wait_for_vblank(dev, pipe); | |
a5c4d7bc | 4630 | |
87d4300a ML |
4631 | /* |
4632 | * FIXME IPS should be fine as long as one plane is | |
4633 | * enabled, but in practice it seems to have problems | |
4634 | * when going from primary only to sprite only and vice | |
4635 | * versa. | |
4636 | */ | |
a5c4d7bc VS |
4637 | hsw_enable_ips(intel_crtc); |
4638 | ||
f99d7069 | 4639 | /* |
87d4300a ML |
4640 | * Gen2 reports pipe underruns whenever all planes are disabled. |
4641 | * So don't enable underrun reporting before at least some planes | |
4642 | * are enabled. | |
4643 | * FIXME: Need to fix the logic to work when we turn off all planes | |
4644 | * but leave the pipe running. | |
f99d7069 | 4645 | */ |
87d4300a ML |
4646 | if (IS_GEN2(dev)) |
4647 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); | |
4648 | ||
4649 | /* Underruns don't raise interrupts, so check manually. */ | |
4650 | if (HAS_GMCH_DISPLAY(dev)) | |
4651 | i9xx_check_fifo_underruns(dev_priv); | |
a5c4d7bc VS |
4652 | } |
4653 | ||
87d4300a ML |
4654 | /** |
4655 | * intel_pre_disable_primary - Perform operations before disabling primary plane | |
4656 | * @crtc: the CRTC whose primary plane is to be disabled | |
4657 | * | |
4658 | * Performs potentially sleeping operations that must be done before the | |
4659 | * primary plane is disabled, such as updating FBC and IPS. Note that this may | |
4660 | * be called due to an explicit primary plane update, or due to an implicit | |
4661 | * disable that is caused when a sprite plane completely hides the primary | |
4662 | * plane. | |
4663 | */ | |
4664 | static void | |
4665 | intel_pre_disable_primary(struct drm_crtc *crtc) | |
a5c4d7bc VS |
4666 | { |
4667 | struct drm_device *dev = crtc->dev; | |
4668 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4669 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4670 | int pipe = intel_crtc->pipe; | |
a5c4d7bc | 4671 | |
87d4300a ML |
4672 | /* |
4673 | * Gen2 reports pipe underruns whenever all planes are disabled. | |
4674 | * So diasble underrun reporting before all the planes get disabled. | |
4675 | * FIXME: Need to fix the logic to work when we turn off all planes | |
4676 | * but leave the pipe running. | |
4677 | */ | |
4678 | if (IS_GEN2(dev)) | |
4679 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); | |
a5c4d7bc | 4680 | |
87d4300a ML |
4681 | /* |
4682 | * Vblank time updates from the shadow to live plane control register | |
4683 | * are blocked if the memory self-refresh mode is active at that | |
4684 | * moment. So to make sure the plane gets truly disabled, disable | |
4685 | * first the self-refresh mode. The self-refresh enable bit in turn | |
4686 | * will be checked/applied by the HW only at the next frame start | |
4687 | * event which is after the vblank start event, so we need to have a | |
4688 | * wait-for-vblank between disabling the plane and the pipe. | |
4689 | */ | |
4690 | if (HAS_GMCH_DISPLAY(dev)) | |
4691 | intel_set_memory_cxsr(dev_priv, false); | |
4692 | ||
87d4300a ML |
4693 | /* |
4694 | * FIXME IPS should be fine as long as one plane is | |
4695 | * enabled, but in practice it seems to have problems | |
4696 | * when going from primary only to sprite only and vice | |
4697 | * versa. | |
4698 | */ | |
a5c4d7bc | 4699 | hsw_disable_ips(intel_crtc); |
87d4300a ML |
4700 | } |
4701 | ||
ac21b225 ML |
4702 | static void intel_post_plane_update(struct intel_crtc *crtc) |
4703 | { | |
4704 | struct intel_crtc_atomic_commit *atomic = &crtc->atomic; | |
4705 | struct drm_device *dev = crtc->base.dev; | |
4706 | struct drm_plane *plane; | |
4707 | ||
4708 | if (atomic->wait_vblank) | |
4709 | intel_wait_for_vblank(dev, crtc->pipe); | |
4710 | ||
4711 | intel_frontbuffer_flip(dev, atomic->fb_bits); | |
4712 | ||
4713 | if (atomic->update_fbc) { | |
4714 | mutex_lock(&dev->struct_mutex); | |
4715 | intel_fbc_update(dev); | |
4716 | mutex_unlock(&dev->struct_mutex); | |
4717 | } | |
4718 | ||
4719 | if (atomic->post_enable_primary) | |
4720 | intel_post_enable_primary(&crtc->base); | |
4721 | ||
4722 | drm_for_each_plane_mask(plane, dev, atomic->update_sprite_watermarks) | |
4723 | intel_update_sprite_watermarks(plane, &crtc->base, | |
4724 | 0, 0, 0, false, false); | |
4725 | ||
4726 | memset(atomic, 0, sizeof(*atomic)); | |
4727 | } | |
4728 | ||
4729 | static void intel_pre_plane_update(struct intel_crtc *crtc) | |
4730 | { | |
4731 | struct drm_device *dev = crtc->base.dev; | |
eddfcbcd | 4732 | struct drm_i915_private *dev_priv = dev->dev_private; |
ac21b225 ML |
4733 | struct intel_crtc_atomic_commit *atomic = &crtc->atomic; |
4734 | struct drm_plane *p; | |
4735 | ||
4736 | /* Track fb's for any planes being disabled */ | |
4737 | ||
4738 | drm_for_each_plane_mask(p, dev, atomic->disabled_planes) { | |
4739 | struct intel_plane *plane = to_intel_plane(p); | |
4740 | unsigned fb_bits = 0; | |
4741 | ||
4742 | switch (p->type) { | |
4743 | case DRM_PLANE_TYPE_PRIMARY: | |
4744 | fb_bits = INTEL_FRONTBUFFER_PRIMARY(plane->pipe); | |
4745 | break; | |
4746 | case DRM_PLANE_TYPE_CURSOR: | |
4747 | fb_bits = INTEL_FRONTBUFFER_CURSOR(plane->pipe); | |
4748 | break; | |
4749 | case DRM_PLANE_TYPE_OVERLAY: | |
4750 | fb_bits = INTEL_FRONTBUFFER_SPRITE(plane->pipe); | |
4751 | break; | |
4752 | } | |
4753 | ||
4754 | mutex_lock(&dev->struct_mutex); | |
4755 | i915_gem_track_fb(intel_fb_obj(plane->base.fb), NULL, fb_bits); | |
4756 | mutex_unlock(&dev->struct_mutex); | |
4757 | } | |
4758 | ||
4759 | if (atomic->wait_for_flips) | |
4760 | intel_crtc_wait_for_pending_flips(&crtc->base); | |
4761 | ||
eddfcbcd ML |
4762 | if (atomic->disable_fbc && |
4763 | dev_priv->fbc.crtc == crtc) { | |
4764 | mutex_lock(&dev->struct_mutex); | |
4765 | if (dev_priv->fbc.crtc == crtc) | |
4766 | intel_fbc_disable(dev); | |
4767 | mutex_unlock(&dev->struct_mutex); | |
4768 | } | |
ac21b225 ML |
4769 | |
4770 | if (atomic->pre_disable_primary) | |
4771 | intel_pre_disable_primary(&crtc->base); | |
4772 | } | |
4773 | ||
d032ffa0 | 4774 | static void intel_crtc_disable_planes(struct drm_crtc *crtc, unsigned plane_mask) |
87d4300a ML |
4775 | { |
4776 | struct drm_device *dev = crtc->dev; | |
4777 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
d032ffa0 | 4778 | struct drm_plane *p; |
87d4300a ML |
4779 | int pipe = intel_crtc->pipe; |
4780 | ||
7cac945f | 4781 | intel_crtc_dpms_overlay_disable(intel_crtc); |
27321ae8 | 4782 | |
d032ffa0 ML |
4783 | drm_for_each_plane_mask(p, dev, plane_mask) |
4784 | to_intel_plane(p)->disable_plane(p, crtc); | |
f98551ae | 4785 | |
f99d7069 DV |
4786 | /* |
4787 | * FIXME: Once we grow proper nuclear flip support out of this we need | |
4788 | * to compute the mask of flip planes precisely. For the time being | |
4789 | * consider this a flip to a NULL plane. | |
4790 | */ | |
4791 | intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_ALL_MASK(pipe)); | |
a5c4d7bc VS |
4792 | } |
4793 | ||
f67a559d JB |
4794 | static void ironlake_crtc_enable(struct drm_crtc *crtc) |
4795 | { | |
4796 | struct drm_device *dev = crtc->dev; | |
4797 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4798 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 4799 | struct intel_encoder *encoder; |
f67a559d | 4800 | int pipe = intel_crtc->pipe; |
f67a559d | 4801 | |
53d9f4e9 | 4802 | if (WARN_ON(intel_crtc->active)) |
f67a559d JB |
4803 | return; |
4804 | ||
6e3c9717 | 4805 | if (intel_crtc->config->has_pch_encoder) |
b14b1055 DV |
4806 | intel_prepare_shared_dpll(intel_crtc); |
4807 | ||
6e3c9717 | 4808 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 4809 | intel_dp_set_m_n(intel_crtc, M1_N1); |
29407aab DV |
4810 | |
4811 | intel_set_pipe_timings(intel_crtc); | |
4812 | ||
6e3c9717 | 4813 | if (intel_crtc->config->has_pch_encoder) { |
29407aab | 4814 | intel_cpu_transcoder_set_m_n(intel_crtc, |
6e3c9717 | 4815 | &intel_crtc->config->fdi_m_n, NULL); |
29407aab DV |
4816 | } |
4817 | ||
4818 | ironlake_set_pipeconf(crtc); | |
4819 | ||
f67a559d | 4820 | intel_crtc->active = true; |
8664281b | 4821 | |
a72e4c9f DV |
4822 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4823 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, true); | |
8664281b | 4824 | |
f6736a1a | 4825 | for_each_encoder_on_crtc(dev, crtc, encoder) |
952735ee DV |
4826 | if (encoder->pre_enable) |
4827 | encoder->pre_enable(encoder); | |
f67a559d | 4828 | |
6e3c9717 | 4829 | if (intel_crtc->config->has_pch_encoder) { |
fff367c7 DV |
4830 | /* Note: FDI PLL enabling _must_ be done before we enable the |
4831 | * cpu pipes, hence this is separate from all the other fdi/pch | |
4832 | * enabling. */ | |
88cefb6c | 4833 | ironlake_fdi_pll_enable(intel_crtc); |
46b6f814 DV |
4834 | } else { |
4835 | assert_fdi_tx_disabled(dev_priv, pipe); | |
4836 | assert_fdi_rx_disabled(dev_priv, pipe); | |
4837 | } | |
f67a559d | 4838 | |
b074cec8 | 4839 | ironlake_pfit_enable(intel_crtc); |
f67a559d | 4840 | |
9c54c0dd JB |
4841 | /* |
4842 | * On ILK+ LUT must be loaded before the pipe is running but with | |
4843 | * clocks enabled | |
4844 | */ | |
4845 | intel_crtc_load_lut(crtc); | |
4846 | ||
f37fcc2a | 4847 | intel_update_watermarks(crtc); |
e1fdc473 | 4848 | intel_enable_pipe(intel_crtc); |
f67a559d | 4849 | |
6e3c9717 | 4850 | if (intel_crtc->config->has_pch_encoder) |
f67a559d | 4851 | ironlake_pch_enable(crtc); |
c98e9dcf | 4852 | |
f9b61ff6 DV |
4853 | assert_vblank_disabled(crtc); |
4854 | drm_crtc_vblank_on(crtc); | |
4855 | ||
fa5c73b1 DV |
4856 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4857 | encoder->enable(encoder); | |
61b77ddd DV |
4858 | |
4859 | if (HAS_PCH_CPT(dev)) | |
a1520318 | 4860 | cpt_verify_modeset(dev, intel_crtc->pipe); |
6be4a607 JB |
4861 | } |
4862 | ||
42db64ef PZ |
4863 | /* IPS only exists on ULT machines and is tied to pipe A. */ |
4864 | static bool hsw_crtc_supports_ips(struct intel_crtc *crtc) | |
4865 | { | |
f5adf94e | 4866 | return HAS_IPS(crtc->base.dev) && crtc->pipe == PIPE_A; |
42db64ef PZ |
4867 | } |
4868 | ||
4f771f10 PZ |
4869 | static void haswell_crtc_enable(struct drm_crtc *crtc) |
4870 | { | |
4871 | struct drm_device *dev = crtc->dev; | |
4872 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4873 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4874 | struct intel_encoder *encoder; | |
99d736a2 ML |
4875 | int pipe = intel_crtc->pipe, hsw_workaround_pipe; |
4876 | struct intel_crtc_state *pipe_config = | |
4877 | to_intel_crtc_state(crtc->state); | |
4f771f10 | 4878 | |
53d9f4e9 | 4879 | if (WARN_ON(intel_crtc->active)) |
4f771f10 PZ |
4880 | return; |
4881 | ||
df8ad70c DV |
4882 | if (intel_crtc_to_shared_dpll(intel_crtc)) |
4883 | intel_enable_shared_dpll(intel_crtc); | |
4884 | ||
6e3c9717 | 4885 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 4886 | intel_dp_set_m_n(intel_crtc, M1_N1); |
229fca97 DV |
4887 | |
4888 | intel_set_pipe_timings(intel_crtc); | |
4889 | ||
6e3c9717 ACO |
4890 | if (intel_crtc->config->cpu_transcoder != TRANSCODER_EDP) { |
4891 | I915_WRITE(PIPE_MULT(intel_crtc->config->cpu_transcoder), | |
4892 | intel_crtc->config->pixel_multiplier - 1); | |
ebb69c95 CT |
4893 | } |
4894 | ||
6e3c9717 | 4895 | if (intel_crtc->config->has_pch_encoder) { |
229fca97 | 4896 | intel_cpu_transcoder_set_m_n(intel_crtc, |
6e3c9717 | 4897 | &intel_crtc->config->fdi_m_n, NULL); |
229fca97 DV |
4898 | } |
4899 | ||
4900 | haswell_set_pipeconf(crtc); | |
4901 | ||
4902 | intel_set_pipe_csc(crtc); | |
4903 | ||
4f771f10 | 4904 | intel_crtc->active = true; |
8664281b | 4905 | |
a72e4c9f | 4906 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4f771f10 PZ |
4907 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4908 | if (encoder->pre_enable) | |
4909 | encoder->pre_enable(encoder); | |
4910 | ||
6e3c9717 | 4911 | if (intel_crtc->config->has_pch_encoder) { |
a72e4c9f DV |
4912 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, |
4913 | true); | |
4fe9467d ID |
4914 | dev_priv->display.fdi_link_train(crtc); |
4915 | } | |
4916 | ||
1f544388 | 4917 | intel_ddi_enable_pipe_clock(intel_crtc); |
4f771f10 | 4918 | |
ff6d9f55 | 4919 | if (INTEL_INFO(dev)->gen == 9) |
a1b2278e | 4920 | skylake_pfit_update(intel_crtc, 1); |
ff6d9f55 | 4921 | else if (INTEL_INFO(dev)->gen < 9) |
bd2e244f | 4922 | ironlake_pfit_enable(intel_crtc); |
ff6d9f55 JB |
4923 | else |
4924 | MISSING_CASE(INTEL_INFO(dev)->gen); | |
4f771f10 PZ |
4925 | |
4926 | /* | |
4927 | * On ILK+ LUT must be loaded before the pipe is running but with | |
4928 | * clocks enabled | |
4929 | */ | |
4930 | intel_crtc_load_lut(crtc); | |
4931 | ||
1f544388 | 4932 | intel_ddi_set_pipe_settings(crtc); |
8228c251 | 4933 | intel_ddi_enable_transcoder_func(crtc); |
4f771f10 | 4934 | |
f37fcc2a | 4935 | intel_update_watermarks(crtc); |
e1fdc473 | 4936 | intel_enable_pipe(intel_crtc); |
42db64ef | 4937 | |
6e3c9717 | 4938 | if (intel_crtc->config->has_pch_encoder) |
1507e5bd | 4939 | lpt_pch_enable(crtc); |
4f771f10 | 4940 | |
6e3c9717 | 4941 | if (intel_crtc->config->dp_encoder_is_mst) |
0e32b39c DA |
4942 | intel_ddi_set_vc_payload_alloc(crtc, true); |
4943 | ||
f9b61ff6 DV |
4944 | assert_vblank_disabled(crtc); |
4945 | drm_crtc_vblank_on(crtc); | |
4946 | ||
8807e55b | 4947 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
4f771f10 | 4948 | encoder->enable(encoder); |
8807e55b JN |
4949 | intel_opregion_notify_encoder(encoder, true); |
4950 | } | |
4f771f10 | 4951 | |
e4916946 PZ |
4952 | /* If we change the relative order between pipe/planes enabling, we need |
4953 | * to change the workaround. */ | |
99d736a2 ML |
4954 | hsw_workaround_pipe = pipe_config->hsw_workaround_pipe; |
4955 | if (IS_HASWELL(dev) && hsw_workaround_pipe != INVALID_PIPE) { | |
4956 | intel_wait_for_vblank(dev, hsw_workaround_pipe); | |
4957 | intel_wait_for_vblank(dev, hsw_workaround_pipe); | |
4958 | } | |
4f771f10 PZ |
4959 | } |
4960 | ||
3f8dce3a DV |
4961 | static void ironlake_pfit_disable(struct intel_crtc *crtc) |
4962 | { | |
4963 | struct drm_device *dev = crtc->base.dev; | |
4964 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4965 | int pipe = crtc->pipe; | |
4966 | ||
4967 | /* To avoid upsetting the power well on haswell only disable the pfit if | |
4968 | * it's in use. The hw state code will make sure we get this right. */ | |
6e3c9717 | 4969 | if (crtc->config->pch_pfit.enabled) { |
3f8dce3a DV |
4970 | I915_WRITE(PF_CTL(pipe), 0); |
4971 | I915_WRITE(PF_WIN_POS(pipe), 0); | |
4972 | I915_WRITE(PF_WIN_SZ(pipe), 0); | |
4973 | } | |
4974 | } | |
4975 | ||
6be4a607 JB |
4976 | static void ironlake_crtc_disable(struct drm_crtc *crtc) |
4977 | { | |
4978 | struct drm_device *dev = crtc->dev; | |
4979 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4980 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 4981 | struct intel_encoder *encoder; |
6be4a607 | 4982 | int pipe = intel_crtc->pipe; |
5eddb70b | 4983 | u32 reg, temp; |
b52eb4dc | 4984 | |
ea9d758d DV |
4985 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4986 | encoder->disable(encoder); | |
4987 | ||
f9b61ff6 DV |
4988 | drm_crtc_vblank_off(crtc); |
4989 | assert_vblank_disabled(crtc); | |
4990 | ||
6e3c9717 | 4991 | if (intel_crtc->config->has_pch_encoder) |
a72e4c9f | 4992 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, false); |
d925c59a | 4993 | |
575f7ab7 | 4994 | intel_disable_pipe(intel_crtc); |
32f9d658 | 4995 | |
3f8dce3a | 4996 | ironlake_pfit_disable(intel_crtc); |
2c07245f | 4997 | |
5a74f70a VS |
4998 | if (intel_crtc->config->has_pch_encoder) |
4999 | ironlake_fdi_disable(crtc); | |
5000 | ||
bf49ec8c DV |
5001 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5002 | if (encoder->post_disable) | |
5003 | encoder->post_disable(encoder); | |
2c07245f | 5004 | |
6e3c9717 | 5005 | if (intel_crtc->config->has_pch_encoder) { |
d925c59a | 5006 | ironlake_disable_pch_transcoder(dev_priv, pipe); |
6be4a607 | 5007 | |
d925c59a DV |
5008 | if (HAS_PCH_CPT(dev)) { |
5009 | /* disable TRANS_DP_CTL */ | |
5010 | reg = TRANS_DP_CTL(pipe); | |
5011 | temp = I915_READ(reg); | |
5012 | temp &= ~(TRANS_DP_OUTPUT_ENABLE | | |
5013 | TRANS_DP_PORT_SEL_MASK); | |
5014 | temp |= TRANS_DP_PORT_SEL_NONE; | |
5015 | I915_WRITE(reg, temp); | |
5016 | ||
5017 | /* disable DPLL_SEL */ | |
5018 | temp = I915_READ(PCH_DPLL_SEL); | |
11887397 | 5019 | temp &= ~(TRANS_DPLL_ENABLE(pipe) | TRANS_DPLLB_SEL(pipe)); |
d925c59a | 5020 | I915_WRITE(PCH_DPLL_SEL, temp); |
9db4a9c7 | 5021 | } |
e3421a18 | 5022 | |
d925c59a DV |
5023 | ironlake_fdi_pll_disable(intel_crtc); |
5024 | } | |
6be4a607 | 5025 | } |
1b3c7a47 | 5026 | |
4f771f10 | 5027 | static void haswell_crtc_disable(struct drm_crtc *crtc) |
ee7b9f93 | 5028 | { |
4f771f10 PZ |
5029 | struct drm_device *dev = crtc->dev; |
5030 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ee7b9f93 | 5031 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4f771f10 | 5032 | struct intel_encoder *encoder; |
6e3c9717 | 5033 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
ee7b9f93 | 5034 | |
8807e55b JN |
5035 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
5036 | intel_opregion_notify_encoder(encoder, false); | |
4f771f10 | 5037 | encoder->disable(encoder); |
8807e55b | 5038 | } |
4f771f10 | 5039 | |
f9b61ff6 DV |
5040 | drm_crtc_vblank_off(crtc); |
5041 | assert_vblank_disabled(crtc); | |
5042 | ||
6e3c9717 | 5043 | if (intel_crtc->config->has_pch_encoder) |
a72e4c9f DV |
5044 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, |
5045 | false); | |
575f7ab7 | 5046 | intel_disable_pipe(intel_crtc); |
4f771f10 | 5047 | |
6e3c9717 | 5048 | if (intel_crtc->config->dp_encoder_is_mst) |
a4bf214f VS |
5049 | intel_ddi_set_vc_payload_alloc(crtc, false); |
5050 | ||
ad80a810 | 5051 | intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder); |
4f771f10 | 5052 | |
ff6d9f55 | 5053 | if (INTEL_INFO(dev)->gen == 9) |
a1b2278e | 5054 | skylake_pfit_update(intel_crtc, 0); |
ff6d9f55 | 5055 | else if (INTEL_INFO(dev)->gen < 9) |
bd2e244f | 5056 | ironlake_pfit_disable(intel_crtc); |
ff6d9f55 JB |
5057 | else |
5058 | MISSING_CASE(INTEL_INFO(dev)->gen); | |
4f771f10 | 5059 | |
1f544388 | 5060 | intel_ddi_disable_pipe_clock(intel_crtc); |
4f771f10 | 5061 | |
6e3c9717 | 5062 | if (intel_crtc->config->has_pch_encoder) { |
ab4d966c | 5063 | lpt_disable_pch_transcoder(dev_priv); |
1ad960f2 | 5064 | intel_ddi_fdi_disable(crtc); |
83616634 | 5065 | } |
4f771f10 | 5066 | |
97b040aa ID |
5067 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5068 | if (encoder->post_disable) | |
5069 | encoder->post_disable(encoder); | |
4f771f10 PZ |
5070 | } |
5071 | ||
2dd24552 JB |
5072 | static void i9xx_pfit_enable(struct intel_crtc *crtc) |
5073 | { | |
5074 | struct drm_device *dev = crtc->base.dev; | |
5075 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6e3c9717 | 5076 | struct intel_crtc_state *pipe_config = crtc->config; |
2dd24552 | 5077 | |
681a8504 | 5078 | if (!pipe_config->gmch_pfit.control) |
2dd24552 JB |
5079 | return; |
5080 | ||
2dd24552 | 5081 | /* |
c0b03411 DV |
5082 | * The panel fitter should only be adjusted whilst the pipe is disabled, |
5083 | * according to register description and PRM. | |
2dd24552 | 5084 | */ |
c0b03411 DV |
5085 | WARN_ON(I915_READ(PFIT_CONTROL) & PFIT_ENABLE); |
5086 | assert_pipe_disabled(dev_priv, crtc->pipe); | |
2dd24552 | 5087 | |
b074cec8 JB |
5088 | I915_WRITE(PFIT_PGM_RATIOS, pipe_config->gmch_pfit.pgm_ratios); |
5089 | I915_WRITE(PFIT_CONTROL, pipe_config->gmch_pfit.control); | |
5a80c45c DV |
5090 | |
5091 | /* Border color in case we don't scale up to the full screen. Black by | |
5092 | * default, change to something else for debugging. */ | |
5093 | I915_WRITE(BCLRPAT(crtc->pipe), 0); | |
2dd24552 JB |
5094 | } |
5095 | ||
d05410f9 DA |
5096 | static enum intel_display_power_domain port_to_power_domain(enum port port) |
5097 | { | |
5098 | switch (port) { | |
5099 | case PORT_A: | |
5100 | return POWER_DOMAIN_PORT_DDI_A_4_LANES; | |
5101 | case PORT_B: | |
5102 | return POWER_DOMAIN_PORT_DDI_B_4_LANES; | |
5103 | case PORT_C: | |
5104 | return POWER_DOMAIN_PORT_DDI_C_4_LANES; | |
5105 | case PORT_D: | |
5106 | return POWER_DOMAIN_PORT_DDI_D_4_LANES; | |
5107 | default: | |
5108 | WARN_ON_ONCE(1); | |
5109 | return POWER_DOMAIN_PORT_OTHER; | |
5110 | } | |
5111 | } | |
5112 | ||
77d22dca ID |
5113 | #define for_each_power_domain(domain, mask) \ |
5114 | for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \ | |
5115 | if ((1 << (domain)) & (mask)) | |
5116 | ||
319be8ae ID |
5117 | enum intel_display_power_domain |
5118 | intel_display_port_power_domain(struct intel_encoder *intel_encoder) | |
5119 | { | |
5120 | struct drm_device *dev = intel_encoder->base.dev; | |
5121 | struct intel_digital_port *intel_dig_port; | |
5122 | ||
5123 | switch (intel_encoder->type) { | |
5124 | case INTEL_OUTPUT_UNKNOWN: | |
5125 | /* Only DDI platforms should ever use this output type */ | |
5126 | WARN_ON_ONCE(!HAS_DDI(dev)); | |
5127 | case INTEL_OUTPUT_DISPLAYPORT: | |
5128 | case INTEL_OUTPUT_HDMI: | |
5129 | case INTEL_OUTPUT_EDP: | |
5130 | intel_dig_port = enc_to_dig_port(&intel_encoder->base); | |
d05410f9 | 5131 | return port_to_power_domain(intel_dig_port->port); |
0e32b39c DA |
5132 | case INTEL_OUTPUT_DP_MST: |
5133 | intel_dig_port = enc_to_mst(&intel_encoder->base)->primary; | |
5134 | return port_to_power_domain(intel_dig_port->port); | |
319be8ae ID |
5135 | case INTEL_OUTPUT_ANALOG: |
5136 | return POWER_DOMAIN_PORT_CRT; | |
5137 | case INTEL_OUTPUT_DSI: | |
5138 | return POWER_DOMAIN_PORT_DSI; | |
5139 | default: | |
5140 | return POWER_DOMAIN_PORT_OTHER; | |
5141 | } | |
5142 | } | |
5143 | ||
5144 | static unsigned long get_crtc_power_domains(struct drm_crtc *crtc) | |
77d22dca | 5145 | { |
319be8ae ID |
5146 | struct drm_device *dev = crtc->dev; |
5147 | struct intel_encoder *intel_encoder; | |
5148 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
5149 | enum pipe pipe = intel_crtc->pipe; | |
77d22dca ID |
5150 | unsigned long mask; |
5151 | enum transcoder transcoder; | |
5152 | ||
5153 | transcoder = intel_pipe_to_cpu_transcoder(dev->dev_private, pipe); | |
5154 | ||
5155 | mask = BIT(POWER_DOMAIN_PIPE(pipe)); | |
5156 | mask |= BIT(POWER_DOMAIN_TRANSCODER(transcoder)); | |
6e3c9717 ACO |
5157 | if (intel_crtc->config->pch_pfit.enabled || |
5158 | intel_crtc->config->pch_pfit.force_thru) | |
77d22dca ID |
5159 | mask |= BIT(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe)); |
5160 | ||
319be8ae ID |
5161 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) |
5162 | mask |= BIT(intel_display_port_power_domain(intel_encoder)); | |
5163 | ||
77d22dca ID |
5164 | return mask; |
5165 | } | |
5166 | ||
679dacd4 | 5167 | static void modeset_update_crtc_power_domains(struct drm_atomic_state *state) |
77d22dca | 5168 | { |
679dacd4 | 5169 | struct drm_device *dev = state->dev; |
77d22dca ID |
5170 | struct drm_i915_private *dev_priv = dev->dev_private; |
5171 | unsigned long pipe_domains[I915_MAX_PIPES] = { 0, }; | |
5172 | struct intel_crtc *crtc; | |
5173 | ||
5174 | /* | |
5175 | * First get all needed power domains, then put all unneeded, to avoid | |
5176 | * any unnecessary toggling of the power wells. | |
5177 | */ | |
d3fcc808 | 5178 | for_each_intel_crtc(dev, crtc) { |
77d22dca ID |
5179 | enum intel_display_power_domain domain; |
5180 | ||
83d65738 | 5181 | if (!crtc->base.state->enable) |
77d22dca ID |
5182 | continue; |
5183 | ||
319be8ae | 5184 | pipe_domains[crtc->pipe] = get_crtc_power_domains(&crtc->base); |
77d22dca ID |
5185 | |
5186 | for_each_power_domain(domain, pipe_domains[crtc->pipe]) | |
5187 | intel_display_power_get(dev_priv, domain); | |
5188 | } | |
5189 | ||
27c329ed ML |
5190 | if (dev_priv->display.modeset_commit_cdclk) { |
5191 | unsigned int cdclk = to_intel_atomic_state(state)->cdclk; | |
5192 | ||
5193 | if (cdclk != dev_priv->cdclk_freq && | |
5194 | !WARN_ON(!state->allow_modeset)) | |
5195 | dev_priv->display.modeset_commit_cdclk(state); | |
5196 | } | |
50f6e502 | 5197 | |
d3fcc808 | 5198 | for_each_intel_crtc(dev, crtc) { |
77d22dca ID |
5199 | enum intel_display_power_domain domain; |
5200 | ||
5201 | for_each_power_domain(domain, crtc->enabled_power_domains) | |
5202 | intel_display_power_put(dev_priv, domain); | |
5203 | ||
5204 | crtc->enabled_power_domains = pipe_domains[crtc->pipe]; | |
5205 | } | |
5206 | ||
5207 | intel_display_set_init_power(dev_priv, false); | |
5208 | } | |
5209 | ||
560a7ae4 DL |
5210 | static void intel_update_max_cdclk(struct drm_device *dev) |
5211 | { | |
5212 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5213 | ||
5214 | if (IS_SKYLAKE(dev)) { | |
5215 | u32 limit = I915_READ(SKL_DFSM) & SKL_DFSM_CDCLK_LIMIT_MASK; | |
5216 | ||
5217 | if (limit == SKL_DFSM_CDCLK_LIMIT_675) | |
5218 | dev_priv->max_cdclk_freq = 675000; | |
5219 | else if (limit == SKL_DFSM_CDCLK_LIMIT_540) | |
5220 | dev_priv->max_cdclk_freq = 540000; | |
5221 | else if (limit == SKL_DFSM_CDCLK_LIMIT_450) | |
5222 | dev_priv->max_cdclk_freq = 450000; | |
5223 | else | |
5224 | dev_priv->max_cdclk_freq = 337500; | |
5225 | } else if (IS_BROADWELL(dev)) { | |
5226 | /* | |
5227 | * FIXME with extra cooling we can allow | |
5228 | * 540 MHz for ULX and 675 Mhz for ULT. | |
5229 | * How can we know if extra cooling is | |
5230 | * available? PCI ID, VTB, something else? | |
5231 | */ | |
5232 | if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
5233 | dev_priv->max_cdclk_freq = 450000; | |
5234 | else if (IS_BDW_ULX(dev)) | |
5235 | dev_priv->max_cdclk_freq = 450000; | |
5236 | else if (IS_BDW_ULT(dev)) | |
5237 | dev_priv->max_cdclk_freq = 540000; | |
5238 | else | |
5239 | dev_priv->max_cdclk_freq = 675000; | |
0904deaf MK |
5240 | } else if (IS_CHERRYVIEW(dev)) { |
5241 | dev_priv->max_cdclk_freq = 320000; | |
560a7ae4 DL |
5242 | } else if (IS_VALLEYVIEW(dev)) { |
5243 | dev_priv->max_cdclk_freq = 400000; | |
5244 | } else { | |
5245 | /* otherwise assume cdclk is fixed */ | |
5246 | dev_priv->max_cdclk_freq = dev_priv->cdclk_freq; | |
5247 | } | |
5248 | ||
5249 | DRM_DEBUG_DRIVER("Max CD clock rate: %d kHz\n", | |
5250 | dev_priv->max_cdclk_freq); | |
5251 | } | |
5252 | ||
5253 | static void intel_update_cdclk(struct drm_device *dev) | |
5254 | { | |
5255 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5256 | ||
5257 | dev_priv->cdclk_freq = dev_priv->display.get_display_clock_speed(dev); | |
5258 | DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz\n", | |
5259 | dev_priv->cdclk_freq); | |
5260 | ||
5261 | /* | |
5262 | * Program the gmbus_freq based on the cdclk frequency. | |
5263 | * BSpec erroneously claims we should aim for 4MHz, but | |
5264 | * in fact 1MHz is the correct frequency. | |
5265 | */ | |
5266 | if (IS_VALLEYVIEW(dev)) { | |
5267 | /* | |
5268 | * Program the gmbus_freq based on the cdclk frequency. | |
5269 | * BSpec erroneously claims we should aim for 4MHz, but | |
5270 | * in fact 1MHz is the correct frequency. | |
5271 | */ | |
5272 | I915_WRITE(GMBUSFREQ_VLV, DIV_ROUND_UP(dev_priv->cdclk_freq, 1000)); | |
5273 | } | |
5274 | ||
5275 | if (dev_priv->max_cdclk_freq == 0) | |
5276 | intel_update_max_cdclk(dev); | |
5277 | } | |
5278 | ||
70d0c574 | 5279 | static void broxton_set_cdclk(struct drm_device *dev, int frequency) |
f8437dd1 VK |
5280 | { |
5281 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5282 | uint32_t divider; | |
5283 | uint32_t ratio; | |
5284 | uint32_t current_freq; | |
5285 | int ret; | |
5286 | ||
5287 | /* frequency = 19.2MHz * ratio / 2 / div{1,1.5,2,4} */ | |
5288 | switch (frequency) { | |
5289 | case 144000: | |
5290 | divider = BXT_CDCLK_CD2X_DIV_SEL_4; | |
5291 | ratio = BXT_DE_PLL_RATIO(60); | |
5292 | break; | |
5293 | case 288000: | |
5294 | divider = BXT_CDCLK_CD2X_DIV_SEL_2; | |
5295 | ratio = BXT_DE_PLL_RATIO(60); | |
5296 | break; | |
5297 | case 384000: | |
5298 | divider = BXT_CDCLK_CD2X_DIV_SEL_1_5; | |
5299 | ratio = BXT_DE_PLL_RATIO(60); | |
5300 | break; | |
5301 | case 576000: | |
5302 | divider = BXT_CDCLK_CD2X_DIV_SEL_1; | |
5303 | ratio = BXT_DE_PLL_RATIO(60); | |
5304 | break; | |
5305 | case 624000: | |
5306 | divider = BXT_CDCLK_CD2X_DIV_SEL_1; | |
5307 | ratio = BXT_DE_PLL_RATIO(65); | |
5308 | break; | |
5309 | case 19200: | |
5310 | /* | |
5311 | * Bypass frequency with DE PLL disabled. Init ratio, divider | |
5312 | * to suppress GCC warning. | |
5313 | */ | |
5314 | ratio = 0; | |
5315 | divider = 0; | |
5316 | break; | |
5317 | default: | |
5318 | DRM_ERROR("unsupported CDCLK freq %d", frequency); | |
5319 | ||
5320 | return; | |
5321 | } | |
5322 | ||
5323 | mutex_lock(&dev_priv->rps.hw_lock); | |
5324 | /* Inform power controller of upcoming frequency change */ | |
5325 | ret = sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ, | |
5326 | 0x80000000); | |
5327 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5328 | ||
5329 | if (ret) { | |
5330 | DRM_ERROR("PCode CDCLK freq change notify failed (err %d, freq %d)\n", | |
5331 | ret, frequency); | |
5332 | return; | |
5333 | } | |
5334 | ||
5335 | current_freq = I915_READ(CDCLK_CTL) & CDCLK_FREQ_DECIMAL_MASK; | |
5336 | /* convert from .1 fixpoint MHz with -1MHz offset to kHz */ | |
5337 | current_freq = current_freq * 500 + 1000; | |
5338 | ||
5339 | /* | |
5340 | * DE PLL has to be disabled when | |
5341 | * - setting to 19.2MHz (bypass, PLL isn't used) | |
5342 | * - before setting to 624MHz (PLL needs toggling) | |
5343 | * - before setting to any frequency from 624MHz (PLL needs toggling) | |
5344 | */ | |
5345 | if (frequency == 19200 || frequency == 624000 || | |
5346 | current_freq == 624000) { | |
5347 | I915_WRITE(BXT_DE_PLL_ENABLE, ~BXT_DE_PLL_PLL_ENABLE); | |
5348 | /* Timeout 200us */ | |
5349 | if (wait_for(!(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK), | |
5350 | 1)) | |
5351 | DRM_ERROR("timout waiting for DE PLL unlock\n"); | |
5352 | } | |
5353 | ||
5354 | if (frequency != 19200) { | |
5355 | uint32_t val; | |
5356 | ||
5357 | val = I915_READ(BXT_DE_PLL_CTL); | |
5358 | val &= ~BXT_DE_PLL_RATIO_MASK; | |
5359 | val |= ratio; | |
5360 | I915_WRITE(BXT_DE_PLL_CTL, val); | |
5361 | ||
5362 | I915_WRITE(BXT_DE_PLL_ENABLE, BXT_DE_PLL_PLL_ENABLE); | |
5363 | /* Timeout 200us */ | |
5364 | if (wait_for(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK, 1)) | |
5365 | DRM_ERROR("timeout waiting for DE PLL lock\n"); | |
5366 | ||
5367 | val = I915_READ(CDCLK_CTL); | |
5368 | val &= ~BXT_CDCLK_CD2X_DIV_SEL_MASK; | |
5369 | val |= divider; | |
5370 | /* | |
5371 | * Disable SSA Precharge when CD clock frequency < 500 MHz, | |
5372 | * enable otherwise. | |
5373 | */ | |
5374 | val &= ~BXT_CDCLK_SSA_PRECHARGE_ENABLE; | |
5375 | if (frequency >= 500000) | |
5376 | val |= BXT_CDCLK_SSA_PRECHARGE_ENABLE; | |
5377 | ||
5378 | val &= ~CDCLK_FREQ_DECIMAL_MASK; | |
5379 | /* convert from kHz to .1 fixpoint MHz with -1MHz offset */ | |
5380 | val |= (frequency - 1000) / 500; | |
5381 | I915_WRITE(CDCLK_CTL, val); | |
5382 | } | |
5383 | ||
5384 | mutex_lock(&dev_priv->rps.hw_lock); | |
5385 | ret = sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ, | |
5386 | DIV_ROUND_UP(frequency, 25000)); | |
5387 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5388 | ||
5389 | if (ret) { | |
5390 | DRM_ERROR("PCode CDCLK freq set failed, (err %d, freq %d)\n", | |
5391 | ret, frequency); | |
5392 | return; | |
5393 | } | |
5394 | ||
a47871bd | 5395 | intel_update_cdclk(dev); |
f8437dd1 VK |
5396 | } |
5397 | ||
5398 | void broxton_init_cdclk(struct drm_device *dev) | |
5399 | { | |
5400 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5401 | uint32_t val; | |
5402 | ||
5403 | /* | |
5404 | * NDE_RSTWRN_OPT RST PCH Handshake En must always be 0b on BXT | |
5405 | * or else the reset will hang because there is no PCH to respond. | |
5406 | * Move the handshake programming to initialization sequence. | |
5407 | * Previously was left up to BIOS. | |
5408 | */ | |
5409 | val = I915_READ(HSW_NDE_RSTWRN_OPT); | |
5410 | val &= ~RESET_PCH_HANDSHAKE_ENABLE; | |
5411 | I915_WRITE(HSW_NDE_RSTWRN_OPT, val); | |
5412 | ||
5413 | /* Enable PG1 for cdclk */ | |
5414 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); | |
5415 | ||
5416 | /* check if cd clock is enabled */ | |
5417 | if (I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_PLL_ENABLE) { | |
5418 | DRM_DEBUG_KMS("Display already initialized\n"); | |
5419 | return; | |
5420 | } | |
5421 | ||
5422 | /* | |
5423 | * FIXME: | |
5424 | * - The initial CDCLK needs to be read from VBT. | |
5425 | * Need to make this change after VBT has changes for BXT. | |
5426 | * - check if setting the max (or any) cdclk freq is really necessary | |
5427 | * here, it belongs to modeset time | |
5428 | */ | |
5429 | broxton_set_cdclk(dev, 624000); | |
5430 | ||
5431 | I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) | DBUF_POWER_REQUEST); | |
22e02c0b VS |
5432 | POSTING_READ(DBUF_CTL); |
5433 | ||
f8437dd1 VK |
5434 | udelay(10); |
5435 | ||
5436 | if (!(I915_READ(DBUF_CTL) & DBUF_POWER_STATE)) | |
5437 | DRM_ERROR("DBuf power enable timeout!\n"); | |
5438 | } | |
5439 | ||
5440 | void broxton_uninit_cdclk(struct drm_device *dev) | |
5441 | { | |
5442 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5443 | ||
5444 | I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) & ~DBUF_POWER_REQUEST); | |
22e02c0b VS |
5445 | POSTING_READ(DBUF_CTL); |
5446 | ||
f8437dd1 VK |
5447 | udelay(10); |
5448 | ||
5449 | if (I915_READ(DBUF_CTL) & DBUF_POWER_STATE) | |
5450 | DRM_ERROR("DBuf power disable timeout!\n"); | |
5451 | ||
5452 | /* Set minimum (bypass) frequency, in effect turning off the DE PLL */ | |
5453 | broxton_set_cdclk(dev, 19200); | |
5454 | ||
5455 | intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); | |
5456 | } | |
5457 | ||
5d96d8af DL |
5458 | static const struct skl_cdclk_entry { |
5459 | unsigned int freq; | |
5460 | unsigned int vco; | |
5461 | } skl_cdclk_frequencies[] = { | |
5462 | { .freq = 308570, .vco = 8640 }, | |
5463 | { .freq = 337500, .vco = 8100 }, | |
5464 | { .freq = 432000, .vco = 8640 }, | |
5465 | { .freq = 450000, .vco = 8100 }, | |
5466 | { .freq = 540000, .vco = 8100 }, | |
5467 | { .freq = 617140, .vco = 8640 }, | |
5468 | { .freq = 675000, .vco = 8100 }, | |
5469 | }; | |
5470 | ||
5471 | static unsigned int skl_cdclk_decimal(unsigned int freq) | |
5472 | { | |
5473 | return (freq - 1000) / 500; | |
5474 | } | |
5475 | ||
5476 | static unsigned int skl_cdclk_get_vco(unsigned int freq) | |
5477 | { | |
5478 | unsigned int i; | |
5479 | ||
5480 | for (i = 0; i < ARRAY_SIZE(skl_cdclk_frequencies); i++) { | |
5481 | const struct skl_cdclk_entry *e = &skl_cdclk_frequencies[i]; | |
5482 | ||
5483 | if (e->freq == freq) | |
5484 | return e->vco; | |
5485 | } | |
5486 | ||
5487 | return 8100; | |
5488 | } | |
5489 | ||
5490 | static void | |
5491 | skl_dpll0_enable(struct drm_i915_private *dev_priv, unsigned int required_vco) | |
5492 | { | |
5493 | unsigned int min_freq; | |
5494 | u32 val; | |
5495 | ||
5496 | /* select the minimum CDCLK before enabling DPLL 0 */ | |
5497 | val = I915_READ(CDCLK_CTL); | |
5498 | val &= ~CDCLK_FREQ_SEL_MASK | ~CDCLK_FREQ_DECIMAL_MASK; | |
5499 | val |= CDCLK_FREQ_337_308; | |
5500 | ||
5501 | if (required_vco == 8640) | |
5502 | min_freq = 308570; | |
5503 | else | |
5504 | min_freq = 337500; | |
5505 | ||
5506 | val = CDCLK_FREQ_337_308 | skl_cdclk_decimal(min_freq); | |
5507 | ||
5508 | I915_WRITE(CDCLK_CTL, val); | |
5509 | POSTING_READ(CDCLK_CTL); | |
5510 | ||
5511 | /* | |
5512 | * We always enable DPLL0 with the lowest link rate possible, but still | |
5513 | * taking into account the VCO required to operate the eDP panel at the | |
5514 | * desired frequency. The usual DP link rates operate with a VCO of | |
5515 | * 8100 while the eDP 1.4 alternate link rates need a VCO of 8640. | |
5516 | * The modeset code is responsible for the selection of the exact link | |
5517 | * rate later on, with the constraint of choosing a frequency that | |
5518 | * works with required_vco. | |
5519 | */ | |
5520 | val = I915_READ(DPLL_CTRL1); | |
5521 | ||
5522 | val &= ~(DPLL_CTRL1_HDMI_MODE(SKL_DPLL0) | DPLL_CTRL1_SSC(SKL_DPLL0) | | |
5523 | DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0)); | |
5524 | val |= DPLL_CTRL1_OVERRIDE(SKL_DPLL0); | |
5525 | if (required_vco == 8640) | |
5526 | val |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1080, | |
5527 | SKL_DPLL0); | |
5528 | else | |
5529 | val |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_810, | |
5530 | SKL_DPLL0); | |
5531 | ||
5532 | I915_WRITE(DPLL_CTRL1, val); | |
5533 | POSTING_READ(DPLL_CTRL1); | |
5534 | ||
5535 | I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) | LCPLL_PLL_ENABLE); | |
5536 | ||
5537 | if (wait_for(I915_READ(LCPLL1_CTL) & LCPLL_PLL_LOCK, 5)) | |
5538 | DRM_ERROR("DPLL0 not locked\n"); | |
5539 | } | |
5540 | ||
5541 | static bool skl_cdclk_pcu_ready(struct drm_i915_private *dev_priv) | |
5542 | { | |
5543 | int ret; | |
5544 | u32 val; | |
5545 | ||
5546 | /* inform PCU we want to change CDCLK */ | |
5547 | val = SKL_CDCLK_PREPARE_FOR_CHANGE; | |
5548 | mutex_lock(&dev_priv->rps.hw_lock); | |
5549 | ret = sandybridge_pcode_read(dev_priv, SKL_PCODE_CDCLK_CONTROL, &val); | |
5550 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5551 | ||
5552 | return ret == 0 && (val & SKL_CDCLK_READY_FOR_CHANGE); | |
5553 | } | |
5554 | ||
5555 | static bool skl_cdclk_wait_for_pcu_ready(struct drm_i915_private *dev_priv) | |
5556 | { | |
5557 | unsigned int i; | |
5558 | ||
5559 | for (i = 0; i < 15; i++) { | |
5560 | if (skl_cdclk_pcu_ready(dev_priv)) | |
5561 | return true; | |
5562 | udelay(10); | |
5563 | } | |
5564 | ||
5565 | return false; | |
5566 | } | |
5567 | ||
5568 | static void skl_set_cdclk(struct drm_i915_private *dev_priv, unsigned int freq) | |
5569 | { | |
560a7ae4 | 5570 | struct drm_device *dev = dev_priv->dev; |
5d96d8af DL |
5571 | u32 freq_select, pcu_ack; |
5572 | ||
5573 | DRM_DEBUG_DRIVER("Changing CDCLK to %dKHz\n", freq); | |
5574 | ||
5575 | if (!skl_cdclk_wait_for_pcu_ready(dev_priv)) { | |
5576 | DRM_ERROR("failed to inform PCU about cdclk change\n"); | |
5577 | return; | |
5578 | } | |
5579 | ||
5580 | /* set CDCLK_CTL */ | |
5581 | switch(freq) { | |
5582 | case 450000: | |
5583 | case 432000: | |
5584 | freq_select = CDCLK_FREQ_450_432; | |
5585 | pcu_ack = 1; | |
5586 | break; | |
5587 | case 540000: | |
5588 | freq_select = CDCLK_FREQ_540; | |
5589 | pcu_ack = 2; | |
5590 | break; | |
5591 | case 308570: | |
5592 | case 337500: | |
5593 | default: | |
5594 | freq_select = CDCLK_FREQ_337_308; | |
5595 | pcu_ack = 0; | |
5596 | break; | |
5597 | case 617140: | |
5598 | case 675000: | |
5599 | freq_select = CDCLK_FREQ_675_617; | |
5600 | pcu_ack = 3; | |
5601 | break; | |
5602 | } | |
5603 | ||
5604 | I915_WRITE(CDCLK_CTL, freq_select | skl_cdclk_decimal(freq)); | |
5605 | POSTING_READ(CDCLK_CTL); | |
5606 | ||
5607 | /* inform PCU of the change */ | |
5608 | mutex_lock(&dev_priv->rps.hw_lock); | |
5609 | sandybridge_pcode_write(dev_priv, SKL_PCODE_CDCLK_CONTROL, pcu_ack); | |
5610 | mutex_unlock(&dev_priv->rps.hw_lock); | |
560a7ae4 DL |
5611 | |
5612 | intel_update_cdclk(dev); | |
5d96d8af DL |
5613 | } |
5614 | ||
5615 | void skl_uninit_cdclk(struct drm_i915_private *dev_priv) | |
5616 | { | |
5617 | /* disable DBUF power */ | |
5618 | I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) & ~DBUF_POWER_REQUEST); | |
5619 | POSTING_READ(DBUF_CTL); | |
5620 | ||
5621 | udelay(10); | |
5622 | ||
5623 | if (I915_READ(DBUF_CTL) & DBUF_POWER_STATE) | |
5624 | DRM_ERROR("DBuf power disable timeout\n"); | |
5625 | ||
5626 | /* disable DPLL0 */ | |
5627 | I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) & ~LCPLL_PLL_ENABLE); | |
5628 | if (wait_for(!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_LOCK), 1)) | |
5629 | DRM_ERROR("Couldn't disable DPLL0\n"); | |
5630 | ||
5631 | intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); | |
5632 | } | |
5633 | ||
5634 | void skl_init_cdclk(struct drm_i915_private *dev_priv) | |
5635 | { | |
5636 | u32 val; | |
5637 | unsigned int required_vco; | |
5638 | ||
5639 | /* enable PCH reset handshake */ | |
5640 | val = I915_READ(HSW_NDE_RSTWRN_OPT); | |
5641 | I915_WRITE(HSW_NDE_RSTWRN_OPT, val | RESET_PCH_HANDSHAKE_ENABLE); | |
5642 | ||
5643 | /* enable PG1 and Misc I/O */ | |
5644 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); | |
5645 | ||
5646 | /* DPLL0 already enabed !? */ | |
5647 | if (I915_READ(LCPLL1_CTL) & LCPLL_PLL_ENABLE) { | |
5648 | DRM_DEBUG_DRIVER("DPLL0 already running\n"); | |
5649 | return; | |
5650 | } | |
5651 | ||
5652 | /* enable DPLL0 */ | |
5653 | required_vco = skl_cdclk_get_vco(dev_priv->skl_boot_cdclk); | |
5654 | skl_dpll0_enable(dev_priv, required_vco); | |
5655 | ||
5656 | /* set CDCLK to the frequency the BIOS chose */ | |
5657 | skl_set_cdclk(dev_priv, dev_priv->skl_boot_cdclk); | |
5658 | ||
5659 | /* enable DBUF power */ | |
5660 | I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) | DBUF_POWER_REQUEST); | |
5661 | POSTING_READ(DBUF_CTL); | |
5662 | ||
5663 | udelay(10); | |
5664 | ||
5665 | if (!(I915_READ(DBUF_CTL) & DBUF_POWER_STATE)) | |
5666 | DRM_ERROR("DBuf power enable timeout\n"); | |
5667 | } | |
5668 | ||
dfcab17e | 5669 | /* returns HPLL frequency in kHz */ |
f8bf63fd | 5670 | static int valleyview_get_vco(struct drm_i915_private *dev_priv) |
30a970c6 | 5671 | { |
586f49dc | 5672 | int hpll_freq, vco_freq[] = { 800, 1600, 2000, 2400 }; |
30a970c6 | 5673 | |
586f49dc | 5674 | /* Obtain SKU information */ |
a580516d | 5675 | mutex_lock(&dev_priv->sb_lock); |
586f49dc JB |
5676 | hpll_freq = vlv_cck_read(dev_priv, CCK_FUSE_REG) & |
5677 | CCK_FUSE_HPLL_FREQ_MASK; | |
a580516d | 5678 | mutex_unlock(&dev_priv->sb_lock); |
30a970c6 | 5679 | |
dfcab17e | 5680 | return vco_freq[hpll_freq] * 1000; |
30a970c6 JB |
5681 | } |
5682 | ||
5683 | /* Adjust CDclk dividers to allow high res or save power if possible */ | |
5684 | static void valleyview_set_cdclk(struct drm_device *dev, int cdclk) | |
5685 | { | |
5686 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5687 | u32 val, cmd; | |
5688 | ||
164dfd28 VK |
5689 | WARN_ON(dev_priv->display.get_display_clock_speed(dev) |
5690 | != dev_priv->cdclk_freq); | |
d60c4473 | 5691 | |
dfcab17e | 5692 | if (cdclk >= 320000) /* jump to highest voltage for 400MHz too */ |
30a970c6 | 5693 | cmd = 2; |
dfcab17e | 5694 | else if (cdclk == 266667) |
30a970c6 JB |
5695 | cmd = 1; |
5696 | else | |
5697 | cmd = 0; | |
5698 | ||
5699 | mutex_lock(&dev_priv->rps.hw_lock); | |
5700 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); | |
5701 | val &= ~DSPFREQGUAR_MASK; | |
5702 | val |= (cmd << DSPFREQGUAR_SHIFT); | |
5703 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); | |
5704 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & | |
5705 | DSPFREQSTAT_MASK) == (cmd << DSPFREQSTAT_SHIFT), | |
5706 | 50)) { | |
5707 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
5708 | } | |
5709 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5710 | ||
54433e91 VS |
5711 | mutex_lock(&dev_priv->sb_lock); |
5712 | ||
dfcab17e | 5713 | if (cdclk == 400000) { |
6bcda4f0 | 5714 | u32 divider; |
30a970c6 | 5715 | |
6bcda4f0 | 5716 | divider = DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, cdclk) - 1; |
30a970c6 | 5717 | |
30a970c6 JB |
5718 | /* adjust cdclk divider */ |
5719 | val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); | |
9cf33db5 | 5720 | val &= ~DISPLAY_FREQUENCY_VALUES; |
30a970c6 JB |
5721 | val |= divider; |
5722 | vlv_cck_write(dev_priv, CCK_DISPLAY_CLOCK_CONTROL, val); | |
a877e801 VS |
5723 | |
5724 | if (wait_for((vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL) & | |
5725 | DISPLAY_FREQUENCY_STATUS) == (divider << DISPLAY_FREQUENCY_STATUS_SHIFT), | |
5726 | 50)) | |
5727 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
30a970c6 JB |
5728 | } |
5729 | ||
30a970c6 JB |
5730 | /* adjust self-refresh exit latency value */ |
5731 | val = vlv_bunit_read(dev_priv, BUNIT_REG_BISOC); | |
5732 | val &= ~0x7f; | |
5733 | ||
5734 | /* | |
5735 | * For high bandwidth configs, we set a higher latency in the bunit | |
5736 | * so that the core display fetch happens in time to avoid underruns. | |
5737 | */ | |
dfcab17e | 5738 | if (cdclk == 400000) |
30a970c6 JB |
5739 | val |= 4500 / 250; /* 4.5 usec */ |
5740 | else | |
5741 | val |= 3000 / 250; /* 3.0 usec */ | |
5742 | vlv_bunit_write(dev_priv, BUNIT_REG_BISOC, val); | |
54433e91 | 5743 | |
a580516d | 5744 | mutex_unlock(&dev_priv->sb_lock); |
30a970c6 | 5745 | |
b6283055 | 5746 | intel_update_cdclk(dev); |
30a970c6 JB |
5747 | } |
5748 | ||
383c5a6a VS |
5749 | static void cherryview_set_cdclk(struct drm_device *dev, int cdclk) |
5750 | { | |
5751 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5752 | u32 val, cmd; | |
5753 | ||
164dfd28 VK |
5754 | WARN_ON(dev_priv->display.get_display_clock_speed(dev) |
5755 | != dev_priv->cdclk_freq); | |
383c5a6a VS |
5756 | |
5757 | switch (cdclk) { | |
383c5a6a VS |
5758 | case 333333: |
5759 | case 320000: | |
383c5a6a | 5760 | case 266667: |
383c5a6a | 5761 | case 200000: |
383c5a6a VS |
5762 | break; |
5763 | default: | |
5f77eeb0 | 5764 | MISSING_CASE(cdclk); |
383c5a6a VS |
5765 | return; |
5766 | } | |
5767 | ||
9d0d3fda VS |
5768 | /* |
5769 | * Specs are full of misinformation, but testing on actual | |
5770 | * hardware has shown that we just need to write the desired | |
5771 | * CCK divider into the Punit register. | |
5772 | */ | |
5773 | cmd = DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, cdclk) - 1; | |
5774 | ||
383c5a6a VS |
5775 | mutex_lock(&dev_priv->rps.hw_lock); |
5776 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); | |
5777 | val &= ~DSPFREQGUAR_MASK_CHV; | |
5778 | val |= (cmd << DSPFREQGUAR_SHIFT_CHV); | |
5779 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); | |
5780 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & | |
5781 | DSPFREQSTAT_MASK_CHV) == (cmd << DSPFREQSTAT_SHIFT_CHV), | |
5782 | 50)) { | |
5783 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
5784 | } | |
5785 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5786 | ||
b6283055 | 5787 | intel_update_cdclk(dev); |
383c5a6a VS |
5788 | } |
5789 | ||
30a970c6 JB |
5790 | static int valleyview_calc_cdclk(struct drm_i915_private *dev_priv, |
5791 | int max_pixclk) | |
5792 | { | |
6bcda4f0 | 5793 | int freq_320 = (dev_priv->hpll_freq << 1) % 320000 != 0 ? 333333 : 320000; |
6cca3195 | 5794 | int limit = IS_CHERRYVIEW(dev_priv) ? 95 : 90; |
29dc7ef3 | 5795 | |
30a970c6 JB |
5796 | /* |
5797 | * Really only a few cases to deal with, as only 4 CDclks are supported: | |
5798 | * 200MHz | |
5799 | * 267MHz | |
29dc7ef3 | 5800 | * 320/333MHz (depends on HPLL freq) |
6cca3195 VS |
5801 | * 400MHz (VLV only) |
5802 | * So we check to see whether we're above 90% (VLV) or 95% (CHV) | |
5803 | * of the lower bin and adjust if needed. | |
e37c67a1 VS |
5804 | * |
5805 | * We seem to get an unstable or solid color picture at 200MHz. | |
5806 | * Not sure what's wrong. For now use 200MHz only when all pipes | |
5807 | * are off. | |
30a970c6 | 5808 | */ |
6cca3195 VS |
5809 | if (!IS_CHERRYVIEW(dev_priv) && |
5810 | max_pixclk > freq_320*limit/100) | |
dfcab17e | 5811 | return 400000; |
6cca3195 | 5812 | else if (max_pixclk > 266667*limit/100) |
29dc7ef3 | 5813 | return freq_320; |
e37c67a1 | 5814 | else if (max_pixclk > 0) |
dfcab17e | 5815 | return 266667; |
e37c67a1 VS |
5816 | else |
5817 | return 200000; | |
30a970c6 JB |
5818 | } |
5819 | ||
f8437dd1 VK |
5820 | static int broxton_calc_cdclk(struct drm_i915_private *dev_priv, |
5821 | int max_pixclk) | |
5822 | { | |
5823 | /* | |
5824 | * FIXME: | |
5825 | * - remove the guardband, it's not needed on BXT | |
5826 | * - set 19.2MHz bypass frequency if there are no active pipes | |
5827 | */ | |
5828 | if (max_pixclk > 576000*9/10) | |
5829 | return 624000; | |
5830 | else if (max_pixclk > 384000*9/10) | |
5831 | return 576000; | |
5832 | else if (max_pixclk > 288000*9/10) | |
5833 | return 384000; | |
5834 | else if (max_pixclk > 144000*9/10) | |
5835 | return 288000; | |
5836 | else | |
5837 | return 144000; | |
5838 | } | |
5839 | ||
a821fc46 ACO |
5840 | /* Compute the max pixel clock for new configuration. Uses atomic state if |
5841 | * that's non-NULL, look at current state otherwise. */ | |
5842 | static int intel_mode_max_pixclk(struct drm_device *dev, | |
5843 | struct drm_atomic_state *state) | |
30a970c6 | 5844 | { |
30a970c6 | 5845 | struct intel_crtc *intel_crtc; |
304603f4 | 5846 | struct intel_crtc_state *crtc_state; |
30a970c6 JB |
5847 | int max_pixclk = 0; |
5848 | ||
d3fcc808 | 5849 | for_each_intel_crtc(dev, intel_crtc) { |
27c329ed | 5850 | crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); |
304603f4 ACO |
5851 | if (IS_ERR(crtc_state)) |
5852 | return PTR_ERR(crtc_state); | |
5853 | ||
5854 | if (!crtc_state->base.enable) | |
5855 | continue; | |
5856 | ||
5857 | max_pixclk = max(max_pixclk, | |
5858 | crtc_state->base.adjusted_mode.crtc_clock); | |
30a970c6 JB |
5859 | } |
5860 | ||
5861 | return max_pixclk; | |
5862 | } | |
5863 | ||
27c329ed | 5864 | static int valleyview_modeset_calc_cdclk(struct drm_atomic_state *state) |
30a970c6 | 5865 | { |
27c329ed ML |
5866 | struct drm_device *dev = state->dev; |
5867 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5868 | int max_pixclk = intel_mode_max_pixclk(dev, state); | |
30a970c6 | 5869 | |
304603f4 ACO |
5870 | if (max_pixclk < 0) |
5871 | return max_pixclk; | |
30a970c6 | 5872 | |
27c329ed ML |
5873 | to_intel_atomic_state(state)->cdclk = |
5874 | valleyview_calc_cdclk(dev_priv, max_pixclk); | |
0a9ab303 | 5875 | |
27c329ed ML |
5876 | return 0; |
5877 | } | |
304603f4 | 5878 | |
27c329ed ML |
5879 | static int broxton_modeset_calc_cdclk(struct drm_atomic_state *state) |
5880 | { | |
5881 | struct drm_device *dev = state->dev; | |
5882 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5883 | int max_pixclk = intel_mode_max_pixclk(dev, state); | |
85a96e7a | 5884 | |
27c329ed ML |
5885 | if (max_pixclk < 0) |
5886 | return max_pixclk; | |
85a96e7a | 5887 | |
27c329ed ML |
5888 | to_intel_atomic_state(state)->cdclk = |
5889 | broxton_calc_cdclk(dev_priv, max_pixclk); | |
85a96e7a | 5890 | |
27c329ed | 5891 | return 0; |
30a970c6 JB |
5892 | } |
5893 | ||
1e69cd74 VS |
5894 | static void vlv_program_pfi_credits(struct drm_i915_private *dev_priv) |
5895 | { | |
5896 | unsigned int credits, default_credits; | |
5897 | ||
5898 | if (IS_CHERRYVIEW(dev_priv)) | |
5899 | default_credits = PFI_CREDIT(12); | |
5900 | else | |
5901 | default_credits = PFI_CREDIT(8); | |
5902 | ||
164dfd28 | 5903 | if (DIV_ROUND_CLOSEST(dev_priv->cdclk_freq, 1000) >= dev_priv->rps.cz_freq) { |
1e69cd74 VS |
5904 | /* CHV suggested value is 31 or 63 */ |
5905 | if (IS_CHERRYVIEW(dev_priv)) | |
fcc0008f | 5906 | credits = PFI_CREDIT_63; |
1e69cd74 VS |
5907 | else |
5908 | credits = PFI_CREDIT(15); | |
5909 | } else { | |
5910 | credits = default_credits; | |
5911 | } | |
5912 | ||
5913 | /* | |
5914 | * WA - write default credits before re-programming | |
5915 | * FIXME: should we also set the resend bit here? | |
5916 | */ | |
5917 | I915_WRITE(GCI_CONTROL, VGA_FAST_MODE_DISABLE | | |
5918 | default_credits); | |
5919 | ||
5920 | I915_WRITE(GCI_CONTROL, VGA_FAST_MODE_DISABLE | | |
5921 | credits | PFI_CREDIT_RESEND); | |
5922 | ||
5923 | /* | |
5924 | * FIXME is this guaranteed to clear | |
5925 | * immediately or should we poll for it? | |
5926 | */ | |
5927 | WARN_ON(I915_READ(GCI_CONTROL) & PFI_CREDIT_RESEND); | |
5928 | } | |
5929 | ||
27c329ed | 5930 | static void valleyview_modeset_commit_cdclk(struct drm_atomic_state *old_state) |
30a970c6 | 5931 | { |
a821fc46 | 5932 | struct drm_device *dev = old_state->dev; |
27c329ed | 5933 | unsigned int req_cdclk = to_intel_atomic_state(old_state)->cdclk; |
30a970c6 | 5934 | struct drm_i915_private *dev_priv = dev->dev_private; |
30a970c6 | 5935 | |
27c329ed ML |
5936 | /* |
5937 | * FIXME: We can end up here with all power domains off, yet | |
5938 | * with a CDCLK frequency other than the minimum. To account | |
5939 | * for this take the PIPE-A power domain, which covers the HW | |
5940 | * blocks needed for the following programming. This can be | |
5941 | * removed once it's guaranteed that we get here either with | |
5942 | * the minimum CDCLK set, or the required power domains | |
5943 | * enabled. | |
5944 | */ | |
5945 | intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A); | |
738c05c0 | 5946 | |
27c329ed ML |
5947 | if (IS_CHERRYVIEW(dev)) |
5948 | cherryview_set_cdclk(dev, req_cdclk); | |
5949 | else | |
5950 | valleyview_set_cdclk(dev, req_cdclk); | |
738c05c0 | 5951 | |
27c329ed | 5952 | vlv_program_pfi_credits(dev_priv); |
1e69cd74 | 5953 | |
27c329ed | 5954 | intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A); |
30a970c6 JB |
5955 | } |
5956 | ||
89b667f8 JB |
5957 | static void valleyview_crtc_enable(struct drm_crtc *crtc) |
5958 | { | |
5959 | struct drm_device *dev = crtc->dev; | |
a72e4c9f | 5960 | struct drm_i915_private *dev_priv = to_i915(dev); |
89b667f8 JB |
5961 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5962 | struct intel_encoder *encoder; | |
5963 | int pipe = intel_crtc->pipe; | |
23538ef1 | 5964 | bool is_dsi; |
89b667f8 | 5965 | |
53d9f4e9 | 5966 | if (WARN_ON(intel_crtc->active)) |
89b667f8 JB |
5967 | return; |
5968 | ||
409ee761 | 5969 | is_dsi = intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI); |
8525a235 | 5970 | |
1ae0d137 VS |
5971 | if (!is_dsi) { |
5972 | if (IS_CHERRYVIEW(dev)) | |
6e3c9717 | 5973 | chv_prepare_pll(intel_crtc, intel_crtc->config); |
1ae0d137 | 5974 | else |
6e3c9717 | 5975 | vlv_prepare_pll(intel_crtc, intel_crtc->config); |
1ae0d137 | 5976 | } |
5b18e57c | 5977 | |
6e3c9717 | 5978 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 5979 | intel_dp_set_m_n(intel_crtc, M1_N1); |
5b18e57c DV |
5980 | |
5981 | intel_set_pipe_timings(intel_crtc); | |
5982 | ||
c14b0485 VS |
5983 | if (IS_CHERRYVIEW(dev) && pipe == PIPE_B) { |
5984 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5985 | ||
5986 | I915_WRITE(CHV_BLEND(pipe), CHV_BLEND_LEGACY); | |
5987 | I915_WRITE(CHV_CANVAS(pipe), 0); | |
5988 | } | |
5989 | ||
5b18e57c DV |
5990 | i9xx_set_pipeconf(intel_crtc); |
5991 | ||
89b667f8 | 5992 | intel_crtc->active = true; |
89b667f8 | 5993 | |
a72e4c9f | 5994 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4a3436e8 | 5995 | |
89b667f8 JB |
5996 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5997 | if (encoder->pre_pll_enable) | |
5998 | encoder->pre_pll_enable(encoder); | |
5999 | ||
9d556c99 CML |
6000 | if (!is_dsi) { |
6001 | if (IS_CHERRYVIEW(dev)) | |
6e3c9717 | 6002 | chv_enable_pll(intel_crtc, intel_crtc->config); |
9d556c99 | 6003 | else |
6e3c9717 | 6004 | vlv_enable_pll(intel_crtc, intel_crtc->config); |
9d556c99 | 6005 | } |
89b667f8 JB |
6006 | |
6007 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
6008 | if (encoder->pre_enable) | |
6009 | encoder->pre_enable(encoder); | |
6010 | ||
2dd24552 JB |
6011 | i9xx_pfit_enable(intel_crtc); |
6012 | ||
63cbb074 VS |
6013 | intel_crtc_load_lut(crtc); |
6014 | ||
f37fcc2a | 6015 | intel_update_watermarks(crtc); |
e1fdc473 | 6016 | intel_enable_pipe(intel_crtc); |
be6a6f8e | 6017 | |
4b3a9526 VS |
6018 | assert_vblank_disabled(crtc); |
6019 | drm_crtc_vblank_on(crtc); | |
6020 | ||
f9b61ff6 DV |
6021 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6022 | encoder->enable(encoder); | |
89b667f8 JB |
6023 | } |
6024 | ||
f13c2ef3 DV |
6025 | static void i9xx_set_pll_dividers(struct intel_crtc *crtc) |
6026 | { | |
6027 | struct drm_device *dev = crtc->base.dev; | |
6028 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6029 | ||
6e3c9717 ACO |
6030 | I915_WRITE(FP0(crtc->pipe), crtc->config->dpll_hw_state.fp0); |
6031 | I915_WRITE(FP1(crtc->pipe), crtc->config->dpll_hw_state.fp1); | |
f13c2ef3 DV |
6032 | } |
6033 | ||
0b8765c6 | 6034 | static void i9xx_crtc_enable(struct drm_crtc *crtc) |
79e53945 JB |
6035 | { |
6036 | struct drm_device *dev = crtc->dev; | |
a72e4c9f | 6037 | struct drm_i915_private *dev_priv = to_i915(dev); |
79e53945 | 6038 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
ef9c3aee | 6039 | struct intel_encoder *encoder; |
79e53945 | 6040 | int pipe = intel_crtc->pipe; |
79e53945 | 6041 | |
53d9f4e9 | 6042 | if (WARN_ON(intel_crtc->active)) |
f7abfe8b CW |
6043 | return; |
6044 | ||
f13c2ef3 DV |
6045 | i9xx_set_pll_dividers(intel_crtc); |
6046 | ||
6e3c9717 | 6047 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 6048 | intel_dp_set_m_n(intel_crtc, M1_N1); |
5b18e57c DV |
6049 | |
6050 | intel_set_pipe_timings(intel_crtc); | |
6051 | ||
5b18e57c DV |
6052 | i9xx_set_pipeconf(intel_crtc); |
6053 | ||
f7abfe8b | 6054 | intel_crtc->active = true; |
6b383a7f | 6055 | |
4a3436e8 | 6056 | if (!IS_GEN2(dev)) |
a72e4c9f | 6057 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4a3436e8 | 6058 | |
9d6d9f19 MK |
6059 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6060 | if (encoder->pre_enable) | |
6061 | encoder->pre_enable(encoder); | |
6062 | ||
f6736a1a DV |
6063 | i9xx_enable_pll(intel_crtc); |
6064 | ||
2dd24552 JB |
6065 | i9xx_pfit_enable(intel_crtc); |
6066 | ||
63cbb074 VS |
6067 | intel_crtc_load_lut(crtc); |
6068 | ||
f37fcc2a | 6069 | intel_update_watermarks(crtc); |
e1fdc473 | 6070 | intel_enable_pipe(intel_crtc); |
be6a6f8e | 6071 | |
4b3a9526 VS |
6072 | assert_vblank_disabled(crtc); |
6073 | drm_crtc_vblank_on(crtc); | |
6074 | ||
f9b61ff6 DV |
6075 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6076 | encoder->enable(encoder); | |
0b8765c6 | 6077 | } |
79e53945 | 6078 | |
87476d63 DV |
6079 | static void i9xx_pfit_disable(struct intel_crtc *crtc) |
6080 | { | |
6081 | struct drm_device *dev = crtc->base.dev; | |
6082 | struct drm_i915_private *dev_priv = dev->dev_private; | |
87476d63 | 6083 | |
6e3c9717 | 6084 | if (!crtc->config->gmch_pfit.control) |
328d8e82 | 6085 | return; |
87476d63 | 6086 | |
328d8e82 | 6087 | assert_pipe_disabled(dev_priv, crtc->pipe); |
87476d63 | 6088 | |
328d8e82 DV |
6089 | DRM_DEBUG_DRIVER("disabling pfit, current: 0x%08x\n", |
6090 | I915_READ(PFIT_CONTROL)); | |
6091 | I915_WRITE(PFIT_CONTROL, 0); | |
87476d63 DV |
6092 | } |
6093 | ||
0b8765c6 JB |
6094 | static void i9xx_crtc_disable(struct drm_crtc *crtc) |
6095 | { | |
6096 | struct drm_device *dev = crtc->dev; | |
6097 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6098 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 6099 | struct intel_encoder *encoder; |
0b8765c6 | 6100 | int pipe = intel_crtc->pipe; |
ef9c3aee | 6101 | |
6304cd91 VS |
6102 | /* |
6103 | * On gen2 planes are double buffered but the pipe isn't, so we must | |
6104 | * wait for planes to fully turn off before disabling the pipe. | |
564ed191 ID |
6105 | * We also need to wait on all gmch platforms because of the |
6106 | * self-refresh mode constraint explained above. | |
6304cd91 | 6107 | */ |
564ed191 | 6108 | intel_wait_for_vblank(dev, pipe); |
6304cd91 | 6109 | |
4b3a9526 VS |
6110 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6111 | encoder->disable(encoder); | |
6112 | ||
f9b61ff6 DV |
6113 | drm_crtc_vblank_off(crtc); |
6114 | assert_vblank_disabled(crtc); | |
6115 | ||
575f7ab7 | 6116 | intel_disable_pipe(intel_crtc); |
24a1f16d | 6117 | |
87476d63 | 6118 | i9xx_pfit_disable(intel_crtc); |
24a1f16d | 6119 | |
89b667f8 JB |
6120 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6121 | if (encoder->post_disable) | |
6122 | encoder->post_disable(encoder); | |
6123 | ||
409ee761 | 6124 | if (!intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI)) { |
076ed3b2 CML |
6125 | if (IS_CHERRYVIEW(dev)) |
6126 | chv_disable_pll(dev_priv, pipe); | |
6127 | else if (IS_VALLEYVIEW(dev)) | |
6128 | vlv_disable_pll(dev_priv, pipe); | |
6129 | else | |
1c4e0274 | 6130 | i9xx_disable_pll(intel_crtc); |
076ed3b2 | 6131 | } |
0b8765c6 | 6132 | |
4a3436e8 | 6133 | if (!IS_GEN2(dev)) |
a72e4c9f | 6134 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); |
0b8765c6 JB |
6135 | } |
6136 | ||
b17d48e2 ML |
6137 | static void intel_crtc_disable_noatomic(struct drm_crtc *crtc) |
6138 | { | |
6139 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6140 | struct drm_i915_private *dev_priv = to_i915(crtc->dev); | |
6141 | enum intel_display_power_domain domain; | |
6142 | unsigned long domains; | |
6143 | ||
6144 | if (!intel_crtc->active) | |
6145 | return; | |
6146 | ||
a539205a ML |
6147 | if (to_intel_plane_state(crtc->primary->state)->visible) { |
6148 | intel_crtc_wait_for_pending_flips(crtc); | |
6149 | intel_pre_disable_primary(crtc); | |
6150 | } | |
6151 | ||
d032ffa0 | 6152 | intel_crtc_disable_planes(crtc, crtc->state->plane_mask); |
b17d48e2 ML |
6153 | dev_priv->display.crtc_disable(crtc); |
6154 | ||
6155 | domains = intel_crtc->enabled_power_domains; | |
6156 | for_each_power_domain(domain, domains) | |
6157 | intel_display_power_put(dev_priv, domain); | |
6158 | intel_crtc->enabled_power_domains = 0; | |
6159 | } | |
6160 | ||
6b72d486 ML |
6161 | /* |
6162 | * turn all crtc's off, but do not adjust state | |
6163 | * This has to be paired with a call to intel_modeset_setup_hw_state. | |
6164 | */ | |
9716c691 | 6165 | void intel_display_suspend(struct drm_device *dev) |
ee7b9f93 | 6166 | { |
6b72d486 ML |
6167 | struct drm_crtc *crtc; |
6168 | ||
b17d48e2 ML |
6169 | for_each_crtc(dev, crtc) |
6170 | intel_crtc_disable_noatomic(crtc); | |
ee7b9f93 JB |
6171 | } |
6172 | ||
b04c5bd6 | 6173 | /* Master function to enable/disable CRTC and corresponding power wells */ |
5da76e94 | 6174 | int intel_crtc_control(struct drm_crtc *crtc, bool enable) |
976f8a20 DV |
6175 | { |
6176 | struct drm_device *dev = crtc->dev; | |
5da76e94 ML |
6177 | struct drm_mode_config *config = &dev->mode_config; |
6178 | struct drm_modeset_acquire_ctx *ctx = config->acquire_ctx; | |
0e572fe7 | 6179 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5da76e94 ML |
6180 | struct intel_crtc_state *pipe_config; |
6181 | struct drm_atomic_state *state; | |
6182 | int ret; | |
976f8a20 | 6183 | |
1b509259 | 6184 | if (enable == intel_crtc->active) |
5da76e94 | 6185 | return 0; |
0e572fe7 | 6186 | |
1b509259 | 6187 | if (enable && !crtc->state->enable) |
5da76e94 | 6188 | return 0; |
1b509259 | 6189 | |
5da76e94 ML |
6190 | /* this function should be called with drm_modeset_lock_all for now */ |
6191 | if (WARN_ON(!ctx)) | |
6192 | return -EIO; | |
6193 | lockdep_assert_held(&ctx->ww_ctx); | |
1b509259 | 6194 | |
5da76e94 ML |
6195 | state = drm_atomic_state_alloc(dev); |
6196 | if (WARN_ON(!state)) | |
6197 | return -ENOMEM; | |
1b509259 | 6198 | |
5da76e94 ML |
6199 | state->acquire_ctx = ctx; |
6200 | state->allow_modeset = true; | |
6201 | ||
6202 | pipe_config = intel_atomic_get_crtc_state(state, intel_crtc); | |
6203 | if (IS_ERR(pipe_config)) { | |
6204 | ret = PTR_ERR(pipe_config); | |
6205 | goto err; | |
0e572fe7 | 6206 | } |
5da76e94 ML |
6207 | pipe_config->base.active = enable; |
6208 | ||
6209 | ret = intel_set_mode(state); | |
6210 | if (!ret) | |
6211 | return ret; | |
6212 | ||
6213 | err: | |
6214 | DRM_ERROR("Updating crtc active failed with %i\n", ret); | |
6215 | drm_atomic_state_free(state); | |
6216 | return ret; | |
b04c5bd6 BF |
6217 | } |
6218 | ||
6219 | /** | |
6220 | * Sets the power management mode of the pipe and plane. | |
6221 | */ | |
6222 | void intel_crtc_update_dpms(struct drm_crtc *crtc) | |
6223 | { | |
6224 | struct drm_device *dev = crtc->dev; | |
6225 | struct intel_encoder *intel_encoder; | |
6226 | bool enable = false; | |
6227 | ||
6228 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) | |
6229 | enable |= intel_encoder->connectors_active; | |
6230 | ||
6231 | intel_crtc_control(crtc, enable); | |
cdd59983 CW |
6232 | } |
6233 | ||
ea5b213a | 6234 | void intel_encoder_destroy(struct drm_encoder *encoder) |
7e7d76c3 | 6235 | { |
4ef69c7a | 6236 | struct intel_encoder *intel_encoder = to_intel_encoder(encoder); |
ea5b213a | 6237 | |
ea5b213a CW |
6238 | drm_encoder_cleanup(encoder); |
6239 | kfree(intel_encoder); | |
7e7d76c3 JB |
6240 | } |
6241 | ||
9237329d | 6242 | /* Simple dpms helper for encoders with just one connector, no cloning and only |
5ab432ef DV |
6243 | * one kind of off state. It clamps all !ON modes to fully OFF and changes the |
6244 | * state of the entire output pipe. */ | |
9237329d | 6245 | static void intel_encoder_dpms(struct intel_encoder *encoder, int mode) |
7e7d76c3 | 6246 | { |
5ab432ef DV |
6247 | if (mode == DRM_MODE_DPMS_ON) { |
6248 | encoder->connectors_active = true; | |
6249 | ||
b2cabb0e | 6250 | intel_crtc_update_dpms(encoder->base.crtc); |
5ab432ef DV |
6251 | } else { |
6252 | encoder->connectors_active = false; | |
6253 | ||
b2cabb0e | 6254 | intel_crtc_update_dpms(encoder->base.crtc); |
5ab432ef | 6255 | } |
79e53945 JB |
6256 | } |
6257 | ||
0a91ca29 DV |
6258 | /* Cross check the actual hw state with our own modeset state tracking (and it's |
6259 | * internal consistency). */ | |
b980514c | 6260 | static void intel_connector_check_state(struct intel_connector *connector) |
79e53945 | 6261 | { |
0a91ca29 DV |
6262 | if (connector->get_hw_state(connector)) { |
6263 | struct intel_encoder *encoder = connector->encoder; | |
6264 | struct drm_crtc *crtc; | |
6265 | bool encoder_enabled; | |
6266 | enum pipe pipe; | |
6267 | ||
6268 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", | |
6269 | connector->base.base.id, | |
c23cc417 | 6270 | connector->base.name); |
0a91ca29 | 6271 | |
0e32b39c DA |
6272 | /* there is no real hw state for MST connectors */ |
6273 | if (connector->mst_port) | |
6274 | return; | |
6275 | ||
e2c719b7 | 6276 | I915_STATE_WARN(connector->base.dpms == DRM_MODE_DPMS_OFF, |
0a91ca29 | 6277 | "wrong connector dpms state\n"); |
e2c719b7 | 6278 | I915_STATE_WARN(connector->base.encoder != &encoder->base, |
0a91ca29 | 6279 | "active connector not linked to encoder\n"); |
0a91ca29 | 6280 | |
36cd7444 | 6281 | if (encoder) { |
e2c719b7 | 6282 | I915_STATE_WARN(!encoder->connectors_active, |
36cd7444 DA |
6283 | "encoder->connectors_active not set\n"); |
6284 | ||
6285 | encoder_enabled = encoder->get_hw_state(encoder, &pipe); | |
e2c719b7 RC |
6286 | I915_STATE_WARN(!encoder_enabled, "encoder not enabled\n"); |
6287 | if (I915_STATE_WARN_ON(!encoder->base.crtc)) | |
36cd7444 | 6288 | return; |
0a91ca29 | 6289 | |
36cd7444 | 6290 | crtc = encoder->base.crtc; |
0a91ca29 | 6291 | |
83d65738 MR |
6292 | I915_STATE_WARN(!crtc->state->enable, |
6293 | "crtc not enabled\n"); | |
e2c719b7 RC |
6294 | I915_STATE_WARN(!to_intel_crtc(crtc)->active, "crtc not active\n"); |
6295 | I915_STATE_WARN(pipe != to_intel_crtc(crtc)->pipe, | |
36cd7444 DA |
6296 | "encoder active on the wrong pipe\n"); |
6297 | } | |
0a91ca29 | 6298 | } |
79e53945 JB |
6299 | } |
6300 | ||
08d9bc92 ACO |
6301 | int intel_connector_init(struct intel_connector *connector) |
6302 | { | |
6303 | struct drm_connector_state *connector_state; | |
6304 | ||
6305 | connector_state = kzalloc(sizeof *connector_state, GFP_KERNEL); | |
6306 | if (!connector_state) | |
6307 | return -ENOMEM; | |
6308 | ||
6309 | connector->base.state = connector_state; | |
6310 | return 0; | |
6311 | } | |
6312 | ||
6313 | struct intel_connector *intel_connector_alloc(void) | |
6314 | { | |
6315 | struct intel_connector *connector; | |
6316 | ||
6317 | connector = kzalloc(sizeof *connector, GFP_KERNEL); | |
6318 | if (!connector) | |
6319 | return NULL; | |
6320 | ||
6321 | if (intel_connector_init(connector) < 0) { | |
6322 | kfree(connector); | |
6323 | return NULL; | |
6324 | } | |
6325 | ||
6326 | return connector; | |
6327 | } | |
6328 | ||
5ab432ef DV |
6329 | /* Even simpler default implementation, if there's really no special case to |
6330 | * consider. */ | |
6331 | void intel_connector_dpms(struct drm_connector *connector, int mode) | |
79e53945 | 6332 | { |
5ab432ef DV |
6333 | /* All the simple cases only support two dpms states. */ |
6334 | if (mode != DRM_MODE_DPMS_ON) | |
6335 | mode = DRM_MODE_DPMS_OFF; | |
d4270e57 | 6336 | |
5ab432ef DV |
6337 | if (mode == connector->dpms) |
6338 | return; | |
6339 | ||
6340 | connector->dpms = mode; | |
6341 | ||
6342 | /* Only need to change hw state when actually enabled */ | |
c9976dcf CW |
6343 | if (connector->encoder) |
6344 | intel_encoder_dpms(to_intel_encoder(connector->encoder), mode); | |
0a91ca29 | 6345 | |
b980514c | 6346 | intel_modeset_check_state(connector->dev); |
79e53945 JB |
6347 | } |
6348 | ||
f0947c37 DV |
6349 | /* Simple connector->get_hw_state implementation for encoders that support only |
6350 | * one connector and no cloning and hence the encoder state determines the state | |
6351 | * of the connector. */ | |
6352 | bool intel_connector_get_hw_state(struct intel_connector *connector) | |
ea5b213a | 6353 | { |
24929352 | 6354 | enum pipe pipe = 0; |
f0947c37 | 6355 | struct intel_encoder *encoder = connector->encoder; |
ea5b213a | 6356 | |
f0947c37 | 6357 | return encoder->get_hw_state(encoder, &pipe); |
ea5b213a CW |
6358 | } |
6359 | ||
6d293983 | 6360 | static int pipe_required_fdi_lanes(struct intel_crtc_state *crtc_state) |
d272ddfa | 6361 | { |
6d293983 ACO |
6362 | if (crtc_state->base.enable && crtc_state->has_pch_encoder) |
6363 | return crtc_state->fdi_lanes; | |
d272ddfa VS |
6364 | |
6365 | return 0; | |
6366 | } | |
6367 | ||
6d293983 | 6368 | static int ironlake_check_fdi_lanes(struct drm_device *dev, enum pipe pipe, |
5cec258b | 6369 | struct intel_crtc_state *pipe_config) |
1857e1da | 6370 | { |
6d293983 ACO |
6371 | struct drm_atomic_state *state = pipe_config->base.state; |
6372 | struct intel_crtc *other_crtc; | |
6373 | struct intel_crtc_state *other_crtc_state; | |
6374 | ||
1857e1da DV |
6375 | DRM_DEBUG_KMS("checking fdi config on pipe %c, lanes %i\n", |
6376 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6377 | if (pipe_config->fdi_lanes > 4) { | |
6378 | DRM_DEBUG_KMS("invalid fdi lane config on pipe %c: %i lanes\n", | |
6379 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 6380 | return -EINVAL; |
1857e1da DV |
6381 | } |
6382 | ||
bafb6553 | 6383 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
1857e1da DV |
6384 | if (pipe_config->fdi_lanes > 2) { |
6385 | DRM_DEBUG_KMS("only 2 lanes on haswell, required: %i lanes\n", | |
6386 | pipe_config->fdi_lanes); | |
6d293983 | 6387 | return -EINVAL; |
1857e1da | 6388 | } else { |
6d293983 | 6389 | return 0; |
1857e1da DV |
6390 | } |
6391 | } | |
6392 | ||
6393 | if (INTEL_INFO(dev)->num_pipes == 2) | |
6d293983 | 6394 | return 0; |
1857e1da DV |
6395 | |
6396 | /* Ivybridge 3 pipe is really complicated */ | |
6397 | switch (pipe) { | |
6398 | case PIPE_A: | |
6d293983 | 6399 | return 0; |
1857e1da | 6400 | case PIPE_B: |
6d293983 ACO |
6401 | if (pipe_config->fdi_lanes <= 2) |
6402 | return 0; | |
6403 | ||
6404 | other_crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev, PIPE_C)); | |
6405 | other_crtc_state = | |
6406 | intel_atomic_get_crtc_state(state, other_crtc); | |
6407 | if (IS_ERR(other_crtc_state)) | |
6408 | return PTR_ERR(other_crtc_state); | |
6409 | ||
6410 | if (pipe_required_fdi_lanes(other_crtc_state) > 0) { | |
1857e1da DV |
6411 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n", |
6412 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 6413 | return -EINVAL; |
1857e1da | 6414 | } |
6d293983 | 6415 | return 0; |
1857e1da | 6416 | case PIPE_C: |
251cc67c VS |
6417 | if (pipe_config->fdi_lanes > 2) { |
6418 | DRM_DEBUG_KMS("only 2 lanes on pipe %c: required %i lanes\n", | |
6419 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 6420 | return -EINVAL; |
251cc67c | 6421 | } |
6d293983 ACO |
6422 | |
6423 | other_crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev, PIPE_B)); | |
6424 | other_crtc_state = | |
6425 | intel_atomic_get_crtc_state(state, other_crtc); | |
6426 | if (IS_ERR(other_crtc_state)) | |
6427 | return PTR_ERR(other_crtc_state); | |
6428 | ||
6429 | if (pipe_required_fdi_lanes(other_crtc_state) > 2) { | |
1857e1da | 6430 | DRM_DEBUG_KMS("fdi link B uses too many lanes to enable link C\n"); |
6d293983 | 6431 | return -EINVAL; |
1857e1da | 6432 | } |
6d293983 | 6433 | return 0; |
1857e1da DV |
6434 | default: |
6435 | BUG(); | |
6436 | } | |
6437 | } | |
6438 | ||
e29c22c0 DV |
6439 | #define RETRY 1 |
6440 | static int ironlake_fdi_compute_config(struct intel_crtc *intel_crtc, | |
5cec258b | 6441 | struct intel_crtc_state *pipe_config) |
877d48d5 | 6442 | { |
1857e1da | 6443 | struct drm_device *dev = intel_crtc->base.dev; |
2d112de7 | 6444 | struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
6d293983 ACO |
6445 | int lane, link_bw, fdi_dotclock, ret; |
6446 | bool needs_recompute = false; | |
877d48d5 | 6447 | |
e29c22c0 | 6448 | retry: |
877d48d5 DV |
6449 | /* FDI is a binary signal running at ~2.7GHz, encoding |
6450 | * each output octet as 10 bits. The actual frequency | |
6451 | * is stored as a divider into a 100MHz clock, and the | |
6452 | * mode pixel clock is stored in units of 1KHz. | |
6453 | * Hence the bw of each lane in terms of the mode signal | |
6454 | * is: | |
6455 | */ | |
6456 | link_bw = intel_fdi_link_freq(dev) * MHz(100)/KHz(1)/10; | |
6457 | ||
241bfc38 | 6458 | fdi_dotclock = adjusted_mode->crtc_clock; |
877d48d5 | 6459 | |
2bd89a07 | 6460 | lane = ironlake_get_lanes_required(fdi_dotclock, link_bw, |
877d48d5 DV |
6461 | pipe_config->pipe_bpp); |
6462 | ||
6463 | pipe_config->fdi_lanes = lane; | |
6464 | ||
2bd89a07 | 6465 | intel_link_compute_m_n(pipe_config->pipe_bpp, lane, fdi_dotclock, |
877d48d5 | 6466 | link_bw, &pipe_config->fdi_m_n); |
1857e1da | 6467 | |
6d293983 ACO |
6468 | ret = ironlake_check_fdi_lanes(intel_crtc->base.dev, |
6469 | intel_crtc->pipe, pipe_config); | |
6470 | if (ret == -EINVAL && pipe_config->pipe_bpp > 6*3) { | |
e29c22c0 DV |
6471 | pipe_config->pipe_bpp -= 2*3; |
6472 | DRM_DEBUG_KMS("fdi link bw constraint, reducing pipe bpp to %i\n", | |
6473 | pipe_config->pipe_bpp); | |
6474 | needs_recompute = true; | |
6475 | pipe_config->bw_constrained = true; | |
6476 | ||
6477 | goto retry; | |
6478 | } | |
6479 | ||
6480 | if (needs_recompute) | |
6481 | return RETRY; | |
6482 | ||
6d293983 | 6483 | return ret; |
877d48d5 DV |
6484 | } |
6485 | ||
8cfb3407 VS |
6486 | static bool pipe_config_supports_ips(struct drm_i915_private *dev_priv, |
6487 | struct intel_crtc_state *pipe_config) | |
6488 | { | |
6489 | if (pipe_config->pipe_bpp > 24) | |
6490 | return false; | |
6491 | ||
6492 | /* HSW can handle pixel rate up to cdclk? */ | |
6493 | if (IS_HASWELL(dev_priv->dev)) | |
6494 | return true; | |
6495 | ||
6496 | /* | |
b432e5cf VS |
6497 | * We compare against max which means we must take |
6498 | * the increased cdclk requirement into account when | |
6499 | * calculating the new cdclk. | |
6500 | * | |
6501 | * Should measure whether using a lower cdclk w/o IPS | |
8cfb3407 VS |
6502 | */ |
6503 | return ilk_pipe_pixel_rate(pipe_config) <= | |
6504 | dev_priv->max_cdclk_freq * 95 / 100; | |
6505 | } | |
6506 | ||
42db64ef | 6507 | static void hsw_compute_ips_config(struct intel_crtc *crtc, |
5cec258b | 6508 | struct intel_crtc_state *pipe_config) |
42db64ef | 6509 | { |
8cfb3407 VS |
6510 | struct drm_device *dev = crtc->base.dev; |
6511 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6512 | ||
d330a953 | 6513 | pipe_config->ips_enabled = i915.enable_ips && |
8cfb3407 VS |
6514 | hsw_crtc_supports_ips(crtc) && |
6515 | pipe_config_supports_ips(dev_priv, pipe_config); | |
42db64ef PZ |
6516 | } |
6517 | ||
a43f6e0f | 6518 | static int intel_crtc_compute_config(struct intel_crtc *crtc, |
5cec258b | 6519 | struct intel_crtc_state *pipe_config) |
79e53945 | 6520 | { |
a43f6e0f | 6521 | struct drm_device *dev = crtc->base.dev; |
8bd31e67 | 6522 | struct drm_i915_private *dev_priv = dev->dev_private; |
2d112de7 | 6523 | struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
89749350 | 6524 | |
ad3a4479 | 6525 | /* FIXME should check pixel clock limits on all platforms */ |
cf532bb2 | 6526 | if (INTEL_INFO(dev)->gen < 4) { |
44913155 | 6527 | int clock_limit = dev_priv->max_cdclk_freq; |
cf532bb2 VS |
6528 | |
6529 | /* | |
6530 | * Enable pixel doubling when the dot clock | |
6531 | * is > 90% of the (display) core speed. | |
6532 | * | |
b397c96b VS |
6533 | * GDG double wide on either pipe, |
6534 | * otherwise pipe A only. | |
cf532bb2 | 6535 | */ |
b397c96b | 6536 | if ((crtc->pipe == PIPE_A || IS_I915G(dev)) && |
241bfc38 | 6537 | adjusted_mode->crtc_clock > clock_limit * 9 / 10) { |
ad3a4479 | 6538 | clock_limit *= 2; |
cf532bb2 | 6539 | pipe_config->double_wide = true; |
ad3a4479 VS |
6540 | } |
6541 | ||
241bfc38 | 6542 | if (adjusted_mode->crtc_clock > clock_limit * 9 / 10) |
e29c22c0 | 6543 | return -EINVAL; |
2c07245f | 6544 | } |
89749350 | 6545 | |
1d1d0e27 VS |
6546 | /* |
6547 | * Pipe horizontal size must be even in: | |
6548 | * - DVO ganged mode | |
6549 | * - LVDS dual channel mode | |
6550 | * - Double wide pipe | |
6551 | */ | |
a93e255f | 6552 | if ((intel_pipe_will_have_type(pipe_config, INTEL_OUTPUT_LVDS) && |
1d1d0e27 VS |
6553 | intel_is_dual_link_lvds(dev)) || pipe_config->double_wide) |
6554 | pipe_config->pipe_src_w &= ~1; | |
6555 | ||
8693a824 DL |
6556 | /* Cantiga+ cannot handle modes with a hsync front porch of 0. |
6557 | * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw. | |
44f46b42 CW |
6558 | */ |
6559 | if ((INTEL_INFO(dev)->gen > 4 || IS_G4X(dev)) && | |
6560 | adjusted_mode->hsync_start == adjusted_mode->hdisplay) | |
e29c22c0 | 6561 | return -EINVAL; |
44f46b42 | 6562 | |
f5adf94e | 6563 | if (HAS_IPS(dev)) |
a43f6e0f DV |
6564 | hsw_compute_ips_config(crtc, pipe_config); |
6565 | ||
877d48d5 | 6566 | if (pipe_config->has_pch_encoder) |
a43f6e0f | 6567 | return ironlake_fdi_compute_config(crtc, pipe_config); |
877d48d5 | 6568 | |
cf5a15be | 6569 | return 0; |
79e53945 JB |
6570 | } |
6571 | ||
1652d19e VS |
6572 | static int skylake_get_display_clock_speed(struct drm_device *dev) |
6573 | { | |
6574 | struct drm_i915_private *dev_priv = to_i915(dev); | |
6575 | uint32_t lcpll1 = I915_READ(LCPLL1_CTL); | |
6576 | uint32_t cdctl = I915_READ(CDCLK_CTL); | |
6577 | uint32_t linkrate; | |
6578 | ||
414355a7 | 6579 | if (!(lcpll1 & LCPLL_PLL_ENABLE)) |
1652d19e | 6580 | return 24000; /* 24MHz is the cd freq with NSSC ref */ |
1652d19e VS |
6581 | |
6582 | if ((cdctl & CDCLK_FREQ_SEL_MASK) == CDCLK_FREQ_540) | |
6583 | return 540000; | |
6584 | ||
6585 | linkrate = (I915_READ(DPLL_CTRL1) & | |
71cd8423 | 6586 | DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0)) >> 1; |
1652d19e | 6587 | |
71cd8423 DL |
6588 | if (linkrate == DPLL_CTRL1_LINK_RATE_2160 || |
6589 | linkrate == DPLL_CTRL1_LINK_RATE_1080) { | |
1652d19e VS |
6590 | /* vco 8640 */ |
6591 | switch (cdctl & CDCLK_FREQ_SEL_MASK) { | |
6592 | case CDCLK_FREQ_450_432: | |
6593 | return 432000; | |
6594 | case CDCLK_FREQ_337_308: | |
6595 | return 308570; | |
6596 | case CDCLK_FREQ_675_617: | |
6597 | return 617140; | |
6598 | default: | |
6599 | WARN(1, "Unknown cd freq selection\n"); | |
6600 | } | |
6601 | } else { | |
6602 | /* vco 8100 */ | |
6603 | switch (cdctl & CDCLK_FREQ_SEL_MASK) { | |
6604 | case CDCLK_FREQ_450_432: | |
6605 | return 450000; | |
6606 | case CDCLK_FREQ_337_308: | |
6607 | return 337500; | |
6608 | case CDCLK_FREQ_675_617: | |
6609 | return 675000; | |
6610 | default: | |
6611 | WARN(1, "Unknown cd freq selection\n"); | |
6612 | } | |
6613 | } | |
6614 | ||
6615 | /* error case, do as if DPLL0 isn't enabled */ | |
6616 | return 24000; | |
6617 | } | |
6618 | ||
6619 | static int broadwell_get_display_clock_speed(struct drm_device *dev) | |
6620 | { | |
6621 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6622 | uint32_t lcpll = I915_READ(LCPLL_CTL); | |
6623 | uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK; | |
6624 | ||
6625 | if (lcpll & LCPLL_CD_SOURCE_FCLK) | |
6626 | return 800000; | |
6627 | else if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
6628 | return 450000; | |
6629 | else if (freq == LCPLL_CLK_FREQ_450) | |
6630 | return 450000; | |
6631 | else if (freq == LCPLL_CLK_FREQ_54O_BDW) | |
6632 | return 540000; | |
6633 | else if (freq == LCPLL_CLK_FREQ_337_5_BDW) | |
6634 | return 337500; | |
6635 | else | |
6636 | return 675000; | |
6637 | } | |
6638 | ||
6639 | static int haswell_get_display_clock_speed(struct drm_device *dev) | |
6640 | { | |
6641 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6642 | uint32_t lcpll = I915_READ(LCPLL_CTL); | |
6643 | uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK; | |
6644 | ||
6645 | if (lcpll & LCPLL_CD_SOURCE_FCLK) | |
6646 | return 800000; | |
6647 | else if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
6648 | return 450000; | |
6649 | else if (freq == LCPLL_CLK_FREQ_450) | |
6650 | return 450000; | |
6651 | else if (IS_HSW_ULT(dev)) | |
6652 | return 337500; | |
6653 | else | |
6654 | return 540000; | |
79e53945 JB |
6655 | } |
6656 | ||
25eb05fc JB |
6657 | static int valleyview_get_display_clock_speed(struct drm_device *dev) |
6658 | { | |
d197b7d3 | 6659 | struct drm_i915_private *dev_priv = dev->dev_private; |
d197b7d3 VS |
6660 | u32 val; |
6661 | int divider; | |
6662 | ||
6bcda4f0 VS |
6663 | if (dev_priv->hpll_freq == 0) |
6664 | dev_priv->hpll_freq = valleyview_get_vco(dev_priv); | |
6665 | ||
a580516d | 6666 | mutex_lock(&dev_priv->sb_lock); |
d197b7d3 | 6667 | val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); |
a580516d | 6668 | mutex_unlock(&dev_priv->sb_lock); |
d197b7d3 VS |
6669 | |
6670 | divider = val & DISPLAY_FREQUENCY_VALUES; | |
6671 | ||
7d007f40 VS |
6672 | WARN((val & DISPLAY_FREQUENCY_STATUS) != |
6673 | (divider << DISPLAY_FREQUENCY_STATUS_SHIFT), | |
6674 | "cdclk change in progress\n"); | |
6675 | ||
6bcda4f0 | 6676 | return DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, divider + 1); |
25eb05fc JB |
6677 | } |
6678 | ||
b37a6434 VS |
6679 | static int ilk_get_display_clock_speed(struct drm_device *dev) |
6680 | { | |
6681 | return 450000; | |
6682 | } | |
6683 | ||
e70236a8 JB |
6684 | static int i945_get_display_clock_speed(struct drm_device *dev) |
6685 | { | |
6686 | return 400000; | |
6687 | } | |
79e53945 | 6688 | |
e70236a8 | 6689 | static int i915_get_display_clock_speed(struct drm_device *dev) |
79e53945 | 6690 | { |
e907f170 | 6691 | return 333333; |
e70236a8 | 6692 | } |
79e53945 | 6693 | |
e70236a8 JB |
6694 | static int i9xx_misc_get_display_clock_speed(struct drm_device *dev) |
6695 | { | |
6696 | return 200000; | |
6697 | } | |
79e53945 | 6698 | |
257a7ffc DV |
6699 | static int pnv_get_display_clock_speed(struct drm_device *dev) |
6700 | { | |
6701 | u16 gcfgc = 0; | |
6702 | ||
6703 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); | |
6704 | ||
6705 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
6706 | case GC_DISPLAY_CLOCK_267_MHZ_PNV: | |
e907f170 | 6707 | return 266667; |
257a7ffc | 6708 | case GC_DISPLAY_CLOCK_333_MHZ_PNV: |
e907f170 | 6709 | return 333333; |
257a7ffc | 6710 | case GC_DISPLAY_CLOCK_444_MHZ_PNV: |
e907f170 | 6711 | return 444444; |
257a7ffc DV |
6712 | case GC_DISPLAY_CLOCK_200_MHZ_PNV: |
6713 | return 200000; | |
6714 | default: | |
6715 | DRM_ERROR("Unknown pnv display core clock 0x%04x\n", gcfgc); | |
6716 | case GC_DISPLAY_CLOCK_133_MHZ_PNV: | |
e907f170 | 6717 | return 133333; |
257a7ffc | 6718 | case GC_DISPLAY_CLOCK_167_MHZ_PNV: |
e907f170 | 6719 | return 166667; |
257a7ffc DV |
6720 | } |
6721 | } | |
6722 | ||
e70236a8 JB |
6723 | static int i915gm_get_display_clock_speed(struct drm_device *dev) |
6724 | { | |
6725 | u16 gcfgc = 0; | |
79e53945 | 6726 | |
e70236a8 JB |
6727 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); |
6728 | ||
6729 | if (gcfgc & GC_LOW_FREQUENCY_ENABLE) | |
e907f170 | 6730 | return 133333; |
e70236a8 JB |
6731 | else { |
6732 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
6733 | case GC_DISPLAY_CLOCK_333_MHZ: | |
e907f170 | 6734 | return 333333; |
e70236a8 JB |
6735 | default: |
6736 | case GC_DISPLAY_CLOCK_190_200_MHZ: | |
6737 | return 190000; | |
79e53945 | 6738 | } |
e70236a8 JB |
6739 | } |
6740 | } | |
6741 | ||
6742 | static int i865_get_display_clock_speed(struct drm_device *dev) | |
6743 | { | |
e907f170 | 6744 | return 266667; |
e70236a8 JB |
6745 | } |
6746 | ||
1b1d2716 | 6747 | static int i85x_get_display_clock_speed(struct drm_device *dev) |
e70236a8 JB |
6748 | { |
6749 | u16 hpllcc = 0; | |
1b1d2716 | 6750 | |
65cd2b3f VS |
6751 | /* |
6752 | * 852GM/852GMV only supports 133 MHz and the HPLLCC | |
6753 | * encoding is different :( | |
6754 | * FIXME is this the right way to detect 852GM/852GMV? | |
6755 | */ | |
6756 | if (dev->pdev->revision == 0x1) | |
6757 | return 133333; | |
6758 | ||
1b1d2716 VS |
6759 | pci_bus_read_config_word(dev->pdev->bus, |
6760 | PCI_DEVFN(0, 3), HPLLCC, &hpllcc); | |
6761 | ||
e70236a8 JB |
6762 | /* Assume that the hardware is in the high speed state. This |
6763 | * should be the default. | |
6764 | */ | |
6765 | switch (hpllcc & GC_CLOCK_CONTROL_MASK) { | |
6766 | case GC_CLOCK_133_200: | |
1b1d2716 | 6767 | case GC_CLOCK_133_200_2: |
e70236a8 JB |
6768 | case GC_CLOCK_100_200: |
6769 | return 200000; | |
6770 | case GC_CLOCK_166_250: | |
6771 | return 250000; | |
6772 | case GC_CLOCK_100_133: | |
e907f170 | 6773 | return 133333; |
1b1d2716 VS |
6774 | case GC_CLOCK_133_266: |
6775 | case GC_CLOCK_133_266_2: | |
6776 | case GC_CLOCK_166_266: | |
6777 | return 266667; | |
e70236a8 | 6778 | } |
79e53945 | 6779 | |
e70236a8 JB |
6780 | /* Shouldn't happen */ |
6781 | return 0; | |
6782 | } | |
79e53945 | 6783 | |
e70236a8 JB |
6784 | static int i830_get_display_clock_speed(struct drm_device *dev) |
6785 | { | |
e907f170 | 6786 | return 133333; |
79e53945 JB |
6787 | } |
6788 | ||
34edce2f VS |
6789 | static unsigned int intel_hpll_vco(struct drm_device *dev) |
6790 | { | |
6791 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6792 | static const unsigned int blb_vco[8] = { | |
6793 | [0] = 3200000, | |
6794 | [1] = 4000000, | |
6795 | [2] = 5333333, | |
6796 | [3] = 4800000, | |
6797 | [4] = 6400000, | |
6798 | }; | |
6799 | static const unsigned int pnv_vco[8] = { | |
6800 | [0] = 3200000, | |
6801 | [1] = 4000000, | |
6802 | [2] = 5333333, | |
6803 | [3] = 4800000, | |
6804 | [4] = 2666667, | |
6805 | }; | |
6806 | static const unsigned int cl_vco[8] = { | |
6807 | [0] = 3200000, | |
6808 | [1] = 4000000, | |
6809 | [2] = 5333333, | |
6810 | [3] = 6400000, | |
6811 | [4] = 3333333, | |
6812 | [5] = 3566667, | |
6813 | [6] = 4266667, | |
6814 | }; | |
6815 | static const unsigned int elk_vco[8] = { | |
6816 | [0] = 3200000, | |
6817 | [1] = 4000000, | |
6818 | [2] = 5333333, | |
6819 | [3] = 4800000, | |
6820 | }; | |
6821 | static const unsigned int ctg_vco[8] = { | |
6822 | [0] = 3200000, | |
6823 | [1] = 4000000, | |
6824 | [2] = 5333333, | |
6825 | [3] = 6400000, | |
6826 | [4] = 2666667, | |
6827 | [5] = 4266667, | |
6828 | }; | |
6829 | const unsigned int *vco_table; | |
6830 | unsigned int vco; | |
6831 | uint8_t tmp = 0; | |
6832 | ||
6833 | /* FIXME other chipsets? */ | |
6834 | if (IS_GM45(dev)) | |
6835 | vco_table = ctg_vco; | |
6836 | else if (IS_G4X(dev)) | |
6837 | vco_table = elk_vco; | |
6838 | else if (IS_CRESTLINE(dev)) | |
6839 | vco_table = cl_vco; | |
6840 | else if (IS_PINEVIEW(dev)) | |
6841 | vco_table = pnv_vco; | |
6842 | else if (IS_G33(dev)) | |
6843 | vco_table = blb_vco; | |
6844 | else | |
6845 | return 0; | |
6846 | ||
6847 | tmp = I915_READ(IS_MOBILE(dev) ? HPLLVCO_MOBILE : HPLLVCO); | |
6848 | ||
6849 | vco = vco_table[tmp & 0x7]; | |
6850 | if (vco == 0) | |
6851 | DRM_ERROR("Bad HPLL VCO (HPLLVCO=0x%02x)\n", tmp); | |
6852 | else | |
6853 | DRM_DEBUG_KMS("HPLL VCO %u kHz\n", vco); | |
6854 | ||
6855 | return vco; | |
6856 | } | |
6857 | ||
6858 | static int gm45_get_display_clock_speed(struct drm_device *dev) | |
6859 | { | |
6860 | unsigned int cdclk_sel, vco = intel_hpll_vco(dev); | |
6861 | uint16_t tmp = 0; | |
6862 | ||
6863 | pci_read_config_word(dev->pdev, GCFGC, &tmp); | |
6864 | ||
6865 | cdclk_sel = (tmp >> 12) & 0x1; | |
6866 | ||
6867 | switch (vco) { | |
6868 | case 2666667: | |
6869 | case 4000000: | |
6870 | case 5333333: | |
6871 | return cdclk_sel ? 333333 : 222222; | |
6872 | case 3200000: | |
6873 | return cdclk_sel ? 320000 : 228571; | |
6874 | default: | |
6875 | DRM_ERROR("Unable to determine CDCLK. HPLL VCO=%u, CFGC=0x%04x\n", vco, tmp); | |
6876 | return 222222; | |
6877 | } | |
6878 | } | |
6879 | ||
6880 | static int i965gm_get_display_clock_speed(struct drm_device *dev) | |
6881 | { | |
6882 | static const uint8_t div_3200[] = { 16, 10, 8 }; | |
6883 | static const uint8_t div_4000[] = { 20, 12, 10 }; | |
6884 | static const uint8_t div_5333[] = { 24, 16, 14 }; | |
6885 | const uint8_t *div_table; | |
6886 | unsigned int cdclk_sel, vco = intel_hpll_vco(dev); | |
6887 | uint16_t tmp = 0; | |
6888 | ||
6889 | pci_read_config_word(dev->pdev, GCFGC, &tmp); | |
6890 | ||
6891 | cdclk_sel = ((tmp >> 8) & 0x1f) - 1; | |
6892 | ||
6893 | if (cdclk_sel >= ARRAY_SIZE(div_3200)) | |
6894 | goto fail; | |
6895 | ||
6896 | switch (vco) { | |
6897 | case 3200000: | |
6898 | div_table = div_3200; | |
6899 | break; | |
6900 | case 4000000: | |
6901 | div_table = div_4000; | |
6902 | break; | |
6903 | case 5333333: | |
6904 | div_table = div_5333; | |
6905 | break; | |
6906 | default: | |
6907 | goto fail; | |
6908 | } | |
6909 | ||
6910 | return DIV_ROUND_CLOSEST(vco, div_table[cdclk_sel]); | |
6911 | ||
caf4e252 | 6912 | fail: |
34edce2f VS |
6913 | DRM_ERROR("Unable to determine CDCLK. HPLL VCO=%u kHz, CFGC=0x%04x\n", vco, tmp); |
6914 | return 200000; | |
6915 | } | |
6916 | ||
6917 | static int g33_get_display_clock_speed(struct drm_device *dev) | |
6918 | { | |
6919 | static const uint8_t div_3200[] = { 12, 10, 8, 7, 5, 16 }; | |
6920 | static const uint8_t div_4000[] = { 14, 12, 10, 8, 6, 20 }; | |
6921 | static const uint8_t div_4800[] = { 20, 14, 12, 10, 8, 24 }; | |
6922 | static const uint8_t div_5333[] = { 20, 16, 12, 12, 8, 28 }; | |
6923 | const uint8_t *div_table; | |
6924 | unsigned int cdclk_sel, vco = intel_hpll_vco(dev); | |
6925 | uint16_t tmp = 0; | |
6926 | ||
6927 | pci_read_config_word(dev->pdev, GCFGC, &tmp); | |
6928 | ||
6929 | cdclk_sel = (tmp >> 4) & 0x7; | |
6930 | ||
6931 | if (cdclk_sel >= ARRAY_SIZE(div_3200)) | |
6932 | goto fail; | |
6933 | ||
6934 | switch (vco) { | |
6935 | case 3200000: | |
6936 | div_table = div_3200; | |
6937 | break; | |
6938 | case 4000000: | |
6939 | div_table = div_4000; | |
6940 | break; | |
6941 | case 4800000: | |
6942 | div_table = div_4800; | |
6943 | break; | |
6944 | case 5333333: | |
6945 | div_table = div_5333; | |
6946 | break; | |
6947 | default: | |
6948 | goto fail; | |
6949 | } | |
6950 | ||
6951 | return DIV_ROUND_CLOSEST(vco, div_table[cdclk_sel]); | |
6952 | ||
caf4e252 | 6953 | fail: |
34edce2f VS |
6954 | DRM_ERROR("Unable to determine CDCLK. HPLL VCO=%u kHz, CFGC=0x%08x\n", vco, tmp); |
6955 | return 190476; | |
6956 | } | |
6957 | ||
2c07245f | 6958 | static void |
a65851af | 6959 | intel_reduce_m_n_ratio(uint32_t *num, uint32_t *den) |
2c07245f | 6960 | { |
a65851af VS |
6961 | while (*num > DATA_LINK_M_N_MASK || |
6962 | *den > DATA_LINK_M_N_MASK) { | |
2c07245f ZW |
6963 | *num >>= 1; |
6964 | *den >>= 1; | |
6965 | } | |
6966 | } | |
6967 | ||
a65851af VS |
6968 | static void compute_m_n(unsigned int m, unsigned int n, |
6969 | uint32_t *ret_m, uint32_t *ret_n) | |
6970 | { | |
6971 | *ret_n = min_t(unsigned int, roundup_pow_of_two(n), DATA_LINK_N_MAX); | |
6972 | *ret_m = div_u64((uint64_t) m * *ret_n, n); | |
6973 | intel_reduce_m_n_ratio(ret_m, ret_n); | |
6974 | } | |
6975 | ||
e69d0bc1 DV |
6976 | void |
6977 | intel_link_compute_m_n(int bits_per_pixel, int nlanes, | |
6978 | int pixel_clock, int link_clock, | |
6979 | struct intel_link_m_n *m_n) | |
2c07245f | 6980 | { |
e69d0bc1 | 6981 | m_n->tu = 64; |
a65851af VS |
6982 | |
6983 | compute_m_n(bits_per_pixel * pixel_clock, | |
6984 | link_clock * nlanes * 8, | |
6985 | &m_n->gmch_m, &m_n->gmch_n); | |
6986 | ||
6987 | compute_m_n(pixel_clock, link_clock, | |
6988 | &m_n->link_m, &m_n->link_n); | |
2c07245f ZW |
6989 | } |
6990 | ||
a7615030 CW |
6991 | static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv) |
6992 | { | |
d330a953 JN |
6993 | if (i915.panel_use_ssc >= 0) |
6994 | return i915.panel_use_ssc != 0; | |
41aa3448 | 6995 | return dev_priv->vbt.lvds_use_ssc |
435793df | 6996 | && !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE); |
a7615030 CW |
6997 | } |
6998 | ||
a93e255f ACO |
6999 | static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state, |
7000 | int num_connectors) | |
c65d77d8 | 7001 | { |
a93e255f | 7002 | struct drm_device *dev = crtc_state->base.crtc->dev; |
c65d77d8 JB |
7003 | struct drm_i915_private *dev_priv = dev->dev_private; |
7004 | int refclk; | |
7005 | ||
a93e255f ACO |
7006 | WARN_ON(!crtc_state->base.state); |
7007 | ||
5ab7b0b7 | 7008 | if (IS_VALLEYVIEW(dev) || IS_BROXTON(dev)) { |
9a0ea498 | 7009 | refclk = 100000; |
a93e255f | 7010 | } else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
c65d77d8 | 7011 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) { |
e91e941b VS |
7012 | refclk = dev_priv->vbt.lvds_ssc_freq; |
7013 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk); | |
c65d77d8 JB |
7014 | } else if (!IS_GEN2(dev)) { |
7015 | refclk = 96000; | |
7016 | } else { | |
7017 | refclk = 48000; | |
7018 | } | |
7019 | ||
7020 | return refclk; | |
7021 | } | |
7022 | ||
7429e9d4 | 7023 | static uint32_t pnv_dpll_compute_fp(struct dpll *dpll) |
c65d77d8 | 7024 | { |
7df00d7a | 7025 | return (1 << dpll->n) << 16 | dpll->m2; |
7429e9d4 | 7026 | } |
f47709a9 | 7027 | |
7429e9d4 DV |
7028 | static uint32_t i9xx_dpll_compute_fp(struct dpll *dpll) |
7029 | { | |
7030 | return dpll->n << 16 | dpll->m1 << 8 | dpll->m2; | |
c65d77d8 JB |
7031 | } |
7032 | ||
f47709a9 | 7033 | static void i9xx_update_pll_dividers(struct intel_crtc *crtc, |
190f68c5 | 7034 | struct intel_crtc_state *crtc_state, |
a7516a05 JB |
7035 | intel_clock_t *reduced_clock) |
7036 | { | |
f47709a9 | 7037 | struct drm_device *dev = crtc->base.dev; |
a7516a05 JB |
7038 | u32 fp, fp2 = 0; |
7039 | ||
7040 | if (IS_PINEVIEW(dev)) { | |
190f68c5 | 7041 | fp = pnv_dpll_compute_fp(&crtc_state->dpll); |
a7516a05 | 7042 | if (reduced_clock) |
7429e9d4 | 7043 | fp2 = pnv_dpll_compute_fp(reduced_clock); |
a7516a05 | 7044 | } else { |
190f68c5 | 7045 | fp = i9xx_dpll_compute_fp(&crtc_state->dpll); |
a7516a05 | 7046 | if (reduced_clock) |
7429e9d4 | 7047 | fp2 = i9xx_dpll_compute_fp(reduced_clock); |
a7516a05 JB |
7048 | } |
7049 | ||
190f68c5 | 7050 | crtc_state->dpll_hw_state.fp0 = fp; |
a7516a05 | 7051 | |
f47709a9 | 7052 | crtc->lowfreq_avail = false; |
a93e255f | 7053 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
ab585dea | 7054 | reduced_clock) { |
190f68c5 | 7055 | crtc_state->dpll_hw_state.fp1 = fp2; |
f47709a9 | 7056 | crtc->lowfreq_avail = true; |
a7516a05 | 7057 | } else { |
190f68c5 | 7058 | crtc_state->dpll_hw_state.fp1 = fp; |
a7516a05 JB |
7059 | } |
7060 | } | |
7061 | ||
5e69f97f CML |
7062 | static void vlv_pllb_recal_opamp(struct drm_i915_private *dev_priv, enum pipe |
7063 | pipe) | |
89b667f8 JB |
7064 | { |
7065 | u32 reg_val; | |
7066 | ||
7067 | /* | |
7068 | * PLLB opamp always calibrates to max value of 0x3f, force enable it | |
7069 | * and set it to a reasonable value instead. | |
7070 | */ | |
ab3c759a | 7071 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
89b667f8 JB |
7072 | reg_val &= 0xffffff00; |
7073 | reg_val |= 0x00000030; | |
ab3c759a | 7074 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
89b667f8 | 7075 | |
ab3c759a | 7076 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
89b667f8 JB |
7077 | reg_val &= 0x8cffffff; |
7078 | reg_val = 0x8c000000; | |
ab3c759a | 7079 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
89b667f8 | 7080 | |
ab3c759a | 7081 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
89b667f8 | 7082 | reg_val &= 0xffffff00; |
ab3c759a | 7083 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
89b667f8 | 7084 | |
ab3c759a | 7085 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
89b667f8 JB |
7086 | reg_val &= 0x00ffffff; |
7087 | reg_val |= 0xb0000000; | |
ab3c759a | 7088 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
89b667f8 JB |
7089 | } |
7090 | ||
b551842d DV |
7091 | static void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc, |
7092 | struct intel_link_m_n *m_n) | |
7093 | { | |
7094 | struct drm_device *dev = crtc->base.dev; | |
7095 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7096 | int pipe = crtc->pipe; | |
7097 | ||
e3b95f1e DV |
7098 | I915_WRITE(PCH_TRANS_DATA_M1(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
7099 | I915_WRITE(PCH_TRANS_DATA_N1(pipe), m_n->gmch_n); | |
7100 | I915_WRITE(PCH_TRANS_LINK_M1(pipe), m_n->link_m); | |
7101 | I915_WRITE(PCH_TRANS_LINK_N1(pipe), m_n->link_n); | |
b551842d DV |
7102 | } |
7103 | ||
7104 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, | |
f769cd24 VK |
7105 | struct intel_link_m_n *m_n, |
7106 | struct intel_link_m_n *m2_n2) | |
b551842d DV |
7107 | { |
7108 | struct drm_device *dev = crtc->base.dev; | |
7109 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7110 | int pipe = crtc->pipe; | |
6e3c9717 | 7111 | enum transcoder transcoder = crtc->config->cpu_transcoder; |
b551842d DV |
7112 | |
7113 | if (INTEL_INFO(dev)->gen >= 5) { | |
7114 | I915_WRITE(PIPE_DATA_M1(transcoder), TU_SIZE(m_n->tu) | m_n->gmch_m); | |
7115 | I915_WRITE(PIPE_DATA_N1(transcoder), m_n->gmch_n); | |
7116 | I915_WRITE(PIPE_LINK_M1(transcoder), m_n->link_m); | |
7117 | I915_WRITE(PIPE_LINK_N1(transcoder), m_n->link_n); | |
f769cd24 VK |
7118 | /* M2_N2 registers to be set only for gen < 8 (M2_N2 available |
7119 | * for gen < 8) and if DRRS is supported (to make sure the | |
7120 | * registers are not unnecessarily accessed). | |
7121 | */ | |
44395bfe | 7122 | if (m2_n2 && (IS_CHERRYVIEW(dev) || INTEL_INFO(dev)->gen < 8) && |
6e3c9717 | 7123 | crtc->config->has_drrs) { |
f769cd24 VK |
7124 | I915_WRITE(PIPE_DATA_M2(transcoder), |
7125 | TU_SIZE(m2_n2->tu) | m2_n2->gmch_m); | |
7126 | I915_WRITE(PIPE_DATA_N2(transcoder), m2_n2->gmch_n); | |
7127 | I915_WRITE(PIPE_LINK_M2(transcoder), m2_n2->link_m); | |
7128 | I915_WRITE(PIPE_LINK_N2(transcoder), m2_n2->link_n); | |
7129 | } | |
b551842d | 7130 | } else { |
e3b95f1e DV |
7131 | I915_WRITE(PIPE_DATA_M_G4X(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
7132 | I915_WRITE(PIPE_DATA_N_G4X(pipe), m_n->gmch_n); | |
7133 | I915_WRITE(PIPE_LINK_M_G4X(pipe), m_n->link_m); | |
7134 | I915_WRITE(PIPE_LINK_N_G4X(pipe), m_n->link_n); | |
b551842d DV |
7135 | } |
7136 | } | |
7137 | ||
fe3cd48d | 7138 | void intel_dp_set_m_n(struct intel_crtc *crtc, enum link_m_n_set m_n) |
03afc4a2 | 7139 | { |
fe3cd48d R |
7140 | struct intel_link_m_n *dp_m_n, *dp_m2_n2 = NULL; |
7141 | ||
7142 | if (m_n == M1_N1) { | |
7143 | dp_m_n = &crtc->config->dp_m_n; | |
7144 | dp_m2_n2 = &crtc->config->dp_m2_n2; | |
7145 | } else if (m_n == M2_N2) { | |
7146 | ||
7147 | /* | |
7148 | * M2_N2 registers are not supported. Hence m2_n2 divider value | |
7149 | * needs to be programmed into M1_N1. | |
7150 | */ | |
7151 | dp_m_n = &crtc->config->dp_m2_n2; | |
7152 | } else { | |
7153 | DRM_ERROR("Unsupported divider value\n"); | |
7154 | return; | |
7155 | } | |
7156 | ||
6e3c9717 ACO |
7157 | if (crtc->config->has_pch_encoder) |
7158 | intel_pch_transcoder_set_m_n(crtc, &crtc->config->dp_m_n); | |
03afc4a2 | 7159 | else |
fe3cd48d | 7160 | intel_cpu_transcoder_set_m_n(crtc, dp_m_n, dp_m2_n2); |
03afc4a2 DV |
7161 | } |
7162 | ||
251ac862 DV |
7163 | static void vlv_compute_dpll(struct intel_crtc *crtc, |
7164 | struct intel_crtc_state *pipe_config) | |
bdd4b6a6 DV |
7165 | { |
7166 | u32 dpll, dpll_md; | |
7167 | ||
7168 | /* | |
7169 | * Enable DPIO clock input. We should never disable the reference | |
7170 | * clock for pipe B, since VGA hotplug / manual detection depends | |
7171 | * on it. | |
7172 | */ | |
7173 | dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REFA_CLK_ENABLE_VLV | | |
7174 | DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_CLOCK_VLV; | |
7175 | /* We should never disable this, set it here for state tracking */ | |
7176 | if (crtc->pipe == PIPE_B) | |
7177 | dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; | |
7178 | dpll |= DPLL_VCO_ENABLE; | |
d288f65f | 7179 | pipe_config->dpll_hw_state.dpll = dpll; |
bdd4b6a6 | 7180 | |
d288f65f | 7181 | dpll_md = (pipe_config->pixel_multiplier - 1) |
bdd4b6a6 | 7182 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
d288f65f | 7183 | pipe_config->dpll_hw_state.dpll_md = dpll_md; |
bdd4b6a6 DV |
7184 | } |
7185 | ||
d288f65f | 7186 | static void vlv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 7187 | const struct intel_crtc_state *pipe_config) |
a0c4da24 | 7188 | { |
f47709a9 | 7189 | struct drm_device *dev = crtc->base.dev; |
a0c4da24 | 7190 | struct drm_i915_private *dev_priv = dev->dev_private; |
f47709a9 | 7191 | int pipe = crtc->pipe; |
bdd4b6a6 | 7192 | u32 mdiv; |
a0c4da24 | 7193 | u32 bestn, bestm1, bestm2, bestp1, bestp2; |
bdd4b6a6 | 7194 | u32 coreclk, reg_val; |
a0c4da24 | 7195 | |
a580516d | 7196 | mutex_lock(&dev_priv->sb_lock); |
09153000 | 7197 | |
d288f65f VS |
7198 | bestn = pipe_config->dpll.n; |
7199 | bestm1 = pipe_config->dpll.m1; | |
7200 | bestm2 = pipe_config->dpll.m2; | |
7201 | bestp1 = pipe_config->dpll.p1; | |
7202 | bestp2 = pipe_config->dpll.p2; | |
a0c4da24 | 7203 | |
89b667f8 JB |
7204 | /* See eDP HDMI DPIO driver vbios notes doc */ |
7205 | ||
7206 | /* PLL B needs special handling */ | |
bdd4b6a6 | 7207 | if (pipe == PIPE_B) |
5e69f97f | 7208 | vlv_pllb_recal_opamp(dev_priv, pipe); |
89b667f8 JB |
7209 | |
7210 | /* Set up Tx target for periodic Rcomp update */ | |
ab3c759a | 7211 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9_BCAST, 0x0100000f); |
89b667f8 JB |
7212 | |
7213 | /* Disable target IRef on PLL */ | |
ab3c759a | 7214 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW8(pipe)); |
89b667f8 | 7215 | reg_val &= 0x00ffffff; |
ab3c759a | 7216 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW8(pipe), reg_val); |
89b667f8 JB |
7217 | |
7218 | /* Disable fast lock */ | |
ab3c759a | 7219 | vlv_dpio_write(dev_priv, pipe, VLV_CMN_DW0, 0x610); |
89b667f8 JB |
7220 | |
7221 | /* Set idtafcrecal before PLL is enabled */ | |
a0c4da24 JB |
7222 | mdiv = ((bestm1 << DPIO_M1DIV_SHIFT) | (bestm2 & DPIO_M2DIV_MASK)); |
7223 | mdiv |= ((bestp1 << DPIO_P1_SHIFT) | (bestp2 << DPIO_P2_SHIFT)); | |
7224 | mdiv |= ((bestn << DPIO_N_SHIFT)); | |
a0c4da24 | 7225 | mdiv |= (1 << DPIO_K_SHIFT); |
7df5080b JB |
7226 | |
7227 | /* | |
7228 | * Post divider depends on pixel clock rate, DAC vs digital (and LVDS, | |
7229 | * but we don't support that). | |
7230 | * Note: don't use the DAC post divider as it seems unstable. | |
7231 | */ | |
7232 | mdiv |= (DPIO_POST_DIV_HDMIDP << DPIO_POST_DIV_SHIFT); | |
ab3c759a | 7233 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
a0c4da24 | 7234 | |
a0c4da24 | 7235 | mdiv |= DPIO_ENABLE_CALIBRATION; |
ab3c759a | 7236 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
a0c4da24 | 7237 | |
89b667f8 | 7238 | /* Set HBR and RBR LPF coefficients */ |
d288f65f | 7239 | if (pipe_config->port_clock == 162000 || |
409ee761 ACO |
7240 | intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG) || |
7241 | intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) | |
ab3c759a | 7242 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
885b0120 | 7243 | 0x009f0003); |
89b667f8 | 7244 | else |
ab3c759a | 7245 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
89b667f8 JB |
7246 | 0x00d0000f); |
7247 | ||
681a8504 | 7248 | if (pipe_config->has_dp_encoder) { |
89b667f8 | 7249 | /* Use SSC source */ |
bdd4b6a6 | 7250 | if (pipe == PIPE_A) |
ab3c759a | 7251 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7252 | 0x0df40000); |
7253 | else | |
ab3c759a | 7254 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7255 | 0x0df70000); |
7256 | } else { /* HDMI or VGA */ | |
7257 | /* Use bend source */ | |
bdd4b6a6 | 7258 | if (pipe == PIPE_A) |
ab3c759a | 7259 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7260 | 0x0df70000); |
7261 | else | |
ab3c759a | 7262 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7263 | 0x0df40000); |
7264 | } | |
a0c4da24 | 7265 | |
ab3c759a | 7266 | coreclk = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW7(pipe)); |
89b667f8 | 7267 | coreclk = (coreclk & 0x0000ff00) | 0x01c00000; |
409ee761 ACO |
7268 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) || |
7269 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) | |
89b667f8 | 7270 | coreclk |= 0x01000000; |
ab3c759a | 7271 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW7(pipe), coreclk); |
a0c4da24 | 7272 | |
ab3c759a | 7273 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW11(pipe), 0x87871000); |
a580516d | 7274 | mutex_unlock(&dev_priv->sb_lock); |
a0c4da24 JB |
7275 | } |
7276 | ||
251ac862 DV |
7277 | static void chv_compute_dpll(struct intel_crtc *crtc, |
7278 | struct intel_crtc_state *pipe_config) | |
1ae0d137 | 7279 | { |
d288f65f | 7280 | pipe_config->dpll_hw_state.dpll = DPLL_SSC_REF_CLOCK_CHV | |
1ae0d137 VS |
7281 | DPLL_REFA_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS | |
7282 | DPLL_VCO_ENABLE; | |
7283 | if (crtc->pipe != PIPE_A) | |
d288f65f | 7284 | pipe_config->dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; |
1ae0d137 | 7285 | |
d288f65f VS |
7286 | pipe_config->dpll_hw_state.dpll_md = |
7287 | (pipe_config->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; | |
1ae0d137 VS |
7288 | } |
7289 | ||
d288f65f | 7290 | static void chv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 7291 | const struct intel_crtc_state *pipe_config) |
9d556c99 CML |
7292 | { |
7293 | struct drm_device *dev = crtc->base.dev; | |
7294 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7295 | int pipe = crtc->pipe; | |
7296 | int dpll_reg = DPLL(crtc->pipe); | |
7297 | enum dpio_channel port = vlv_pipe_to_channel(pipe); | |
9cbe40c1 | 7298 | u32 loopfilter, tribuf_calcntr; |
9d556c99 | 7299 | u32 bestn, bestm1, bestm2, bestp1, bestp2, bestm2_frac; |
a945ce7e | 7300 | u32 dpio_val; |
9cbe40c1 | 7301 | int vco; |
9d556c99 | 7302 | |
d288f65f VS |
7303 | bestn = pipe_config->dpll.n; |
7304 | bestm2_frac = pipe_config->dpll.m2 & 0x3fffff; | |
7305 | bestm1 = pipe_config->dpll.m1; | |
7306 | bestm2 = pipe_config->dpll.m2 >> 22; | |
7307 | bestp1 = pipe_config->dpll.p1; | |
7308 | bestp2 = pipe_config->dpll.p2; | |
9cbe40c1 | 7309 | vco = pipe_config->dpll.vco; |
a945ce7e | 7310 | dpio_val = 0; |
9cbe40c1 | 7311 | loopfilter = 0; |
9d556c99 CML |
7312 | |
7313 | /* | |
7314 | * Enable Refclk and SSC | |
7315 | */ | |
a11b0703 | 7316 | I915_WRITE(dpll_reg, |
d288f65f | 7317 | pipe_config->dpll_hw_state.dpll & ~DPLL_VCO_ENABLE); |
a11b0703 | 7318 | |
a580516d | 7319 | mutex_lock(&dev_priv->sb_lock); |
9d556c99 | 7320 | |
9d556c99 CML |
7321 | /* p1 and p2 divider */ |
7322 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW13(port), | |
7323 | 5 << DPIO_CHV_S1_DIV_SHIFT | | |
7324 | bestp1 << DPIO_CHV_P1_DIV_SHIFT | | |
7325 | bestp2 << DPIO_CHV_P2_DIV_SHIFT | | |
7326 | 1 << DPIO_CHV_K_DIV_SHIFT); | |
7327 | ||
7328 | /* Feedback post-divider - m2 */ | |
7329 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW0(port), bestm2); | |
7330 | ||
7331 | /* Feedback refclk divider - n and m1 */ | |
7332 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW1(port), | |
7333 | DPIO_CHV_M1_DIV_BY_2 | | |
7334 | 1 << DPIO_CHV_N_DIV_SHIFT); | |
7335 | ||
7336 | /* M2 fraction division */ | |
a945ce7e VP |
7337 | if (bestm2_frac) |
7338 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW2(port), bestm2_frac); | |
9d556c99 CML |
7339 | |
7340 | /* M2 fraction division enable */ | |
a945ce7e VP |
7341 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW3(port)); |
7342 | dpio_val &= ~(DPIO_CHV_FEEDFWD_GAIN_MASK | DPIO_CHV_FRAC_DIV_EN); | |
7343 | dpio_val |= (2 << DPIO_CHV_FEEDFWD_GAIN_SHIFT); | |
7344 | if (bestm2_frac) | |
7345 | dpio_val |= DPIO_CHV_FRAC_DIV_EN; | |
7346 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW3(port), dpio_val); | |
9d556c99 | 7347 | |
de3a0fde VP |
7348 | /* Program digital lock detect threshold */ |
7349 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW9(port)); | |
7350 | dpio_val &= ~(DPIO_CHV_INT_LOCK_THRESHOLD_MASK | | |
7351 | DPIO_CHV_INT_LOCK_THRESHOLD_SEL_COARSE); | |
7352 | dpio_val |= (0x5 << DPIO_CHV_INT_LOCK_THRESHOLD_SHIFT); | |
7353 | if (!bestm2_frac) | |
7354 | dpio_val |= DPIO_CHV_INT_LOCK_THRESHOLD_SEL_COARSE; | |
7355 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW9(port), dpio_val); | |
7356 | ||
9d556c99 | 7357 | /* Loop filter */ |
9cbe40c1 VP |
7358 | if (vco == 5400000) { |
7359 | loopfilter |= (0x3 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7360 | loopfilter |= (0x8 << DPIO_CHV_INT_COEFF_SHIFT); | |
7361 | loopfilter |= (0x1 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7362 | tribuf_calcntr = 0x9; | |
7363 | } else if (vco <= 6200000) { | |
7364 | loopfilter |= (0x5 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7365 | loopfilter |= (0xB << DPIO_CHV_INT_COEFF_SHIFT); | |
7366 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7367 | tribuf_calcntr = 0x9; | |
7368 | } else if (vco <= 6480000) { | |
7369 | loopfilter |= (0x4 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7370 | loopfilter |= (0x9 << DPIO_CHV_INT_COEFF_SHIFT); | |
7371 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7372 | tribuf_calcntr = 0x8; | |
7373 | } else { | |
7374 | /* Not supported. Apply the same limits as in the max case */ | |
7375 | loopfilter |= (0x4 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7376 | loopfilter |= (0x9 << DPIO_CHV_INT_COEFF_SHIFT); | |
7377 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7378 | tribuf_calcntr = 0; | |
7379 | } | |
9d556c99 CML |
7380 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW6(port), loopfilter); |
7381 | ||
968040b2 | 7382 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW8(port)); |
9cbe40c1 VP |
7383 | dpio_val &= ~DPIO_CHV_TDC_TARGET_CNT_MASK; |
7384 | dpio_val |= (tribuf_calcntr << DPIO_CHV_TDC_TARGET_CNT_SHIFT); | |
7385 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW8(port), dpio_val); | |
7386 | ||
9d556c99 CML |
7387 | /* AFC Recal */ |
7388 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), | |
7389 | vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)) | | |
7390 | DPIO_AFC_RECAL); | |
7391 | ||
a580516d | 7392 | mutex_unlock(&dev_priv->sb_lock); |
9d556c99 CML |
7393 | } |
7394 | ||
d288f65f VS |
7395 | /** |
7396 | * vlv_force_pll_on - forcibly enable just the PLL | |
7397 | * @dev_priv: i915 private structure | |
7398 | * @pipe: pipe PLL to enable | |
7399 | * @dpll: PLL configuration | |
7400 | * | |
7401 | * Enable the PLL for @pipe using the supplied @dpll config. To be used | |
7402 | * in cases where we need the PLL enabled even when @pipe is not going to | |
7403 | * be enabled. | |
7404 | */ | |
7405 | void vlv_force_pll_on(struct drm_device *dev, enum pipe pipe, | |
7406 | const struct dpll *dpll) | |
7407 | { | |
7408 | struct intel_crtc *crtc = | |
7409 | to_intel_crtc(intel_get_crtc_for_pipe(dev, pipe)); | |
5cec258b | 7410 | struct intel_crtc_state pipe_config = { |
a93e255f | 7411 | .base.crtc = &crtc->base, |
d288f65f VS |
7412 | .pixel_multiplier = 1, |
7413 | .dpll = *dpll, | |
7414 | }; | |
7415 | ||
7416 | if (IS_CHERRYVIEW(dev)) { | |
251ac862 | 7417 | chv_compute_dpll(crtc, &pipe_config); |
d288f65f VS |
7418 | chv_prepare_pll(crtc, &pipe_config); |
7419 | chv_enable_pll(crtc, &pipe_config); | |
7420 | } else { | |
251ac862 | 7421 | vlv_compute_dpll(crtc, &pipe_config); |
d288f65f VS |
7422 | vlv_prepare_pll(crtc, &pipe_config); |
7423 | vlv_enable_pll(crtc, &pipe_config); | |
7424 | } | |
7425 | } | |
7426 | ||
7427 | /** | |
7428 | * vlv_force_pll_off - forcibly disable just the PLL | |
7429 | * @dev_priv: i915 private structure | |
7430 | * @pipe: pipe PLL to disable | |
7431 | * | |
7432 | * Disable the PLL for @pipe. To be used in cases where we need | |
7433 | * the PLL enabled even when @pipe is not going to be enabled. | |
7434 | */ | |
7435 | void vlv_force_pll_off(struct drm_device *dev, enum pipe pipe) | |
7436 | { | |
7437 | if (IS_CHERRYVIEW(dev)) | |
7438 | chv_disable_pll(to_i915(dev), pipe); | |
7439 | else | |
7440 | vlv_disable_pll(to_i915(dev), pipe); | |
7441 | } | |
7442 | ||
251ac862 DV |
7443 | static void i9xx_compute_dpll(struct intel_crtc *crtc, |
7444 | struct intel_crtc_state *crtc_state, | |
7445 | intel_clock_t *reduced_clock, | |
7446 | int num_connectors) | |
eb1cbe48 | 7447 | { |
f47709a9 | 7448 | struct drm_device *dev = crtc->base.dev; |
eb1cbe48 | 7449 | struct drm_i915_private *dev_priv = dev->dev_private; |
eb1cbe48 DV |
7450 | u32 dpll; |
7451 | bool is_sdvo; | |
190f68c5 | 7452 | struct dpll *clock = &crtc_state->dpll; |
eb1cbe48 | 7453 | |
190f68c5 | 7454 | i9xx_update_pll_dividers(crtc, crtc_state, reduced_clock); |
2a8f64ca | 7455 | |
a93e255f ACO |
7456 | is_sdvo = intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_SDVO) || |
7457 | intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_HDMI); | |
eb1cbe48 DV |
7458 | |
7459 | dpll = DPLL_VGA_MODE_DIS; | |
7460 | ||
a93e255f | 7461 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
eb1cbe48 DV |
7462 | dpll |= DPLLB_MODE_LVDS; |
7463 | else | |
7464 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
6cc5f341 | 7465 | |
ef1b460d | 7466 | if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
190f68c5 | 7467 | dpll |= (crtc_state->pixel_multiplier - 1) |
198a037f | 7468 | << SDVO_MULTIPLIER_SHIFT_HIRES; |
eb1cbe48 | 7469 | } |
198a037f DV |
7470 | |
7471 | if (is_sdvo) | |
4a33e48d | 7472 | dpll |= DPLL_SDVO_HIGH_SPEED; |
198a037f | 7473 | |
190f68c5 | 7474 | if (crtc_state->has_dp_encoder) |
4a33e48d | 7475 | dpll |= DPLL_SDVO_HIGH_SPEED; |
eb1cbe48 DV |
7476 | |
7477 | /* compute bitmask from p1 value */ | |
7478 | if (IS_PINEVIEW(dev)) | |
7479 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW; | |
7480 | else { | |
7481 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
7482 | if (IS_G4X(dev) && reduced_clock) | |
7483 | dpll |= (1 << (reduced_clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; | |
7484 | } | |
7485 | switch (clock->p2) { | |
7486 | case 5: | |
7487 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
7488 | break; | |
7489 | case 7: | |
7490 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
7491 | break; | |
7492 | case 10: | |
7493 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
7494 | break; | |
7495 | case 14: | |
7496 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
7497 | break; | |
7498 | } | |
7499 | if (INTEL_INFO(dev)->gen >= 4) | |
7500 | dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); | |
7501 | ||
190f68c5 | 7502 | if (crtc_state->sdvo_tv_clock) |
eb1cbe48 | 7503 | dpll |= PLL_REF_INPUT_TVCLKINBC; |
a93e255f | 7504 | else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
eb1cbe48 DV |
7505 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
7506 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; | |
7507 | else | |
7508 | dpll |= PLL_REF_INPUT_DREFCLK; | |
7509 | ||
7510 | dpll |= DPLL_VCO_ENABLE; | |
190f68c5 | 7511 | crtc_state->dpll_hw_state.dpll = dpll; |
8bcc2795 | 7512 | |
eb1cbe48 | 7513 | if (INTEL_INFO(dev)->gen >= 4) { |
190f68c5 | 7514 | u32 dpll_md = (crtc_state->pixel_multiplier - 1) |
ef1b460d | 7515 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
190f68c5 | 7516 | crtc_state->dpll_hw_state.dpll_md = dpll_md; |
eb1cbe48 DV |
7517 | } |
7518 | } | |
7519 | ||
251ac862 DV |
7520 | static void i8xx_compute_dpll(struct intel_crtc *crtc, |
7521 | struct intel_crtc_state *crtc_state, | |
7522 | intel_clock_t *reduced_clock, | |
7523 | int num_connectors) | |
eb1cbe48 | 7524 | { |
f47709a9 | 7525 | struct drm_device *dev = crtc->base.dev; |
eb1cbe48 | 7526 | struct drm_i915_private *dev_priv = dev->dev_private; |
eb1cbe48 | 7527 | u32 dpll; |
190f68c5 | 7528 | struct dpll *clock = &crtc_state->dpll; |
eb1cbe48 | 7529 | |
190f68c5 | 7530 | i9xx_update_pll_dividers(crtc, crtc_state, reduced_clock); |
2a8f64ca | 7531 | |
eb1cbe48 DV |
7532 | dpll = DPLL_VGA_MODE_DIS; |
7533 | ||
a93e255f | 7534 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
eb1cbe48 DV |
7535 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
7536 | } else { | |
7537 | if (clock->p1 == 2) | |
7538 | dpll |= PLL_P1_DIVIDE_BY_TWO; | |
7539 | else | |
7540 | dpll |= (clock->p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
7541 | if (clock->p2 == 4) | |
7542 | dpll |= PLL_P2_DIVIDE_BY_4; | |
7543 | } | |
7544 | ||
a93e255f | 7545 | if (!IS_I830(dev) && intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_DVO)) |
4a33e48d DV |
7546 | dpll |= DPLL_DVO_2X_MODE; |
7547 | ||
a93e255f | 7548 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
eb1cbe48 DV |
7549 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
7550 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; | |
7551 | else | |
7552 | dpll |= PLL_REF_INPUT_DREFCLK; | |
7553 | ||
7554 | dpll |= DPLL_VCO_ENABLE; | |
190f68c5 | 7555 | crtc_state->dpll_hw_state.dpll = dpll; |
eb1cbe48 DV |
7556 | } |
7557 | ||
8a654f3b | 7558 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc) |
b0e77b9c PZ |
7559 | { |
7560 | struct drm_device *dev = intel_crtc->base.dev; | |
7561 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7562 | enum pipe pipe = intel_crtc->pipe; | |
6e3c9717 | 7563 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
8a654f3b | 7564 | struct drm_display_mode *adjusted_mode = |
6e3c9717 | 7565 | &intel_crtc->config->base.adjusted_mode; |
1caea6e9 VS |
7566 | uint32_t crtc_vtotal, crtc_vblank_end; |
7567 | int vsyncshift = 0; | |
4d8a62ea DV |
7568 | |
7569 | /* We need to be careful not to changed the adjusted mode, for otherwise | |
7570 | * the hw state checker will get angry at the mismatch. */ | |
7571 | crtc_vtotal = adjusted_mode->crtc_vtotal; | |
7572 | crtc_vblank_end = adjusted_mode->crtc_vblank_end; | |
b0e77b9c | 7573 | |
609aeaca | 7574 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { |
b0e77b9c | 7575 | /* the chip adds 2 halflines automatically */ |
4d8a62ea DV |
7576 | crtc_vtotal -= 1; |
7577 | crtc_vblank_end -= 1; | |
609aeaca | 7578 | |
409ee761 | 7579 | if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
609aeaca VS |
7580 | vsyncshift = (adjusted_mode->crtc_htotal - 1) / 2; |
7581 | else | |
7582 | vsyncshift = adjusted_mode->crtc_hsync_start - | |
7583 | adjusted_mode->crtc_htotal / 2; | |
1caea6e9 VS |
7584 | if (vsyncshift < 0) |
7585 | vsyncshift += adjusted_mode->crtc_htotal; | |
b0e77b9c PZ |
7586 | } |
7587 | ||
7588 | if (INTEL_INFO(dev)->gen > 3) | |
fe2b8f9d | 7589 | I915_WRITE(VSYNCSHIFT(cpu_transcoder), vsyncshift); |
b0e77b9c | 7590 | |
fe2b8f9d | 7591 | I915_WRITE(HTOTAL(cpu_transcoder), |
b0e77b9c PZ |
7592 | (adjusted_mode->crtc_hdisplay - 1) | |
7593 | ((adjusted_mode->crtc_htotal - 1) << 16)); | |
fe2b8f9d | 7594 | I915_WRITE(HBLANK(cpu_transcoder), |
b0e77b9c PZ |
7595 | (adjusted_mode->crtc_hblank_start - 1) | |
7596 | ((adjusted_mode->crtc_hblank_end - 1) << 16)); | |
fe2b8f9d | 7597 | I915_WRITE(HSYNC(cpu_transcoder), |
b0e77b9c PZ |
7598 | (adjusted_mode->crtc_hsync_start - 1) | |
7599 | ((adjusted_mode->crtc_hsync_end - 1) << 16)); | |
7600 | ||
fe2b8f9d | 7601 | I915_WRITE(VTOTAL(cpu_transcoder), |
b0e77b9c | 7602 | (adjusted_mode->crtc_vdisplay - 1) | |
4d8a62ea | 7603 | ((crtc_vtotal - 1) << 16)); |
fe2b8f9d | 7604 | I915_WRITE(VBLANK(cpu_transcoder), |
b0e77b9c | 7605 | (adjusted_mode->crtc_vblank_start - 1) | |
4d8a62ea | 7606 | ((crtc_vblank_end - 1) << 16)); |
fe2b8f9d | 7607 | I915_WRITE(VSYNC(cpu_transcoder), |
b0e77b9c PZ |
7608 | (adjusted_mode->crtc_vsync_start - 1) | |
7609 | ((adjusted_mode->crtc_vsync_end - 1) << 16)); | |
7610 | ||
b5e508d4 PZ |
7611 | /* Workaround: when the EDP input selection is B, the VTOTAL_B must be |
7612 | * programmed with the VTOTAL_EDP value. Same for VTOTAL_C. This is | |
7613 | * documented on the DDI_FUNC_CTL register description, EDP Input Select | |
7614 | * bits. */ | |
7615 | if (IS_HASWELL(dev) && cpu_transcoder == TRANSCODER_EDP && | |
7616 | (pipe == PIPE_B || pipe == PIPE_C)) | |
7617 | I915_WRITE(VTOTAL(pipe), I915_READ(VTOTAL(cpu_transcoder))); | |
7618 | ||
b0e77b9c PZ |
7619 | /* pipesrc controls the size that is scaled from, which should |
7620 | * always be the user's requested size. | |
7621 | */ | |
7622 | I915_WRITE(PIPESRC(pipe), | |
6e3c9717 ACO |
7623 | ((intel_crtc->config->pipe_src_w - 1) << 16) | |
7624 | (intel_crtc->config->pipe_src_h - 1)); | |
b0e77b9c PZ |
7625 | } |
7626 | ||
1bd1bd80 | 7627 | static void intel_get_pipe_timings(struct intel_crtc *crtc, |
5cec258b | 7628 | struct intel_crtc_state *pipe_config) |
1bd1bd80 DV |
7629 | { |
7630 | struct drm_device *dev = crtc->base.dev; | |
7631 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7632 | enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; | |
7633 | uint32_t tmp; | |
7634 | ||
7635 | tmp = I915_READ(HTOTAL(cpu_transcoder)); | |
2d112de7 ACO |
7636 | pipe_config->base.adjusted_mode.crtc_hdisplay = (tmp & 0xffff) + 1; |
7637 | pipe_config->base.adjusted_mode.crtc_htotal = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7638 | tmp = I915_READ(HBLANK(cpu_transcoder)); |
2d112de7 ACO |
7639 | pipe_config->base.adjusted_mode.crtc_hblank_start = (tmp & 0xffff) + 1; |
7640 | pipe_config->base.adjusted_mode.crtc_hblank_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7641 | tmp = I915_READ(HSYNC(cpu_transcoder)); |
2d112de7 ACO |
7642 | pipe_config->base.adjusted_mode.crtc_hsync_start = (tmp & 0xffff) + 1; |
7643 | pipe_config->base.adjusted_mode.crtc_hsync_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 DV |
7644 | |
7645 | tmp = I915_READ(VTOTAL(cpu_transcoder)); | |
2d112de7 ACO |
7646 | pipe_config->base.adjusted_mode.crtc_vdisplay = (tmp & 0xffff) + 1; |
7647 | pipe_config->base.adjusted_mode.crtc_vtotal = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7648 | tmp = I915_READ(VBLANK(cpu_transcoder)); |
2d112de7 ACO |
7649 | pipe_config->base.adjusted_mode.crtc_vblank_start = (tmp & 0xffff) + 1; |
7650 | pipe_config->base.adjusted_mode.crtc_vblank_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7651 | tmp = I915_READ(VSYNC(cpu_transcoder)); |
2d112de7 ACO |
7652 | pipe_config->base.adjusted_mode.crtc_vsync_start = (tmp & 0xffff) + 1; |
7653 | pipe_config->base.adjusted_mode.crtc_vsync_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 DV |
7654 | |
7655 | if (I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_INTERLACE_MASK) { | |
2d112de7 ACO |
7656 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_INTERLACE; |
7657 | pipe_config->base.adjusted_mode.crtc_vtotal += 1; | |
7658 | pipe_config->base.adjusted_mode.crtc_vblank_end += 1; | |
1bd1bd80 DV |
7659 | } |
7660 | ||
7661 | tmp = I915_READ(PIPESRC(crtc->pipe)); | |
37327abd VS |
7662 | pipe_config->pipe_src_h = (tmp & 0xffff) + 1; |
7663 | pipe_config->pipe_src_w = ((tmp >> 16) & 0xffff) + 1; | |
7664 | ||
2d112de7 ACO |
7665 | pipe_config->base.mode.vdisplay = pipe_config->pipe_src_h; |
7666 | pipe_config->base.mode.hdisplay = pipe_config->pipe_src_w; | |
1bd1bd80 DV |
7667 | } |
7668 | ||
f6a83288 | 7669 | void intel_mode_from_pipe_config(struct drm_display_mode *mode, |
5cec258b | 7670 | struct intel_crtc_state *pipe_config) |
babea61d | 7671 | { |
2d112de7 ACO |
7672 | mode->hdisplay = pipe_config->base.adjusted_mode.crtc_hdisplay; |
7673 | mode->htotal = pipe_config->base.adjusted_mode.crtc_htotal; | |
7674 | mode->hsync_start = pipe_config->base.adjusted_mode.crtc_hsync_start; | |
7675 | mode->hsync_end = pipe_config->base.adjusted_mode.crtc_hsync_end; | |
babea61d | 7676 | |
2d112de7 ACO |
7677 | mode->vdisplay = pipe_config->base.adjusted_mode.crtc_vdisplay; |
7678 | mode->vtotal = pipe_config->base.adjusted_mode.crtc_vtotal; | |
7679 | mode->vsync_start = pipe_config->base.adjusted_mode.crtc_vsync_start; | |
7680 | mode->vsync_end = pipe_config->base.adjusted_mode.crtc_vsync_end; | |
babea61d | 7681 | |
2d112de7 | 7682 | mode->flags = pipe_config->base.adjusted_mode.flags; |
babea61d | 7683 | |
2d112de7 ACO |
7684 | mode->clock = pipe_config->base.adjusted_mode.crtc_clock; |
7685 | mode->flags |= pipe_config->base.adjusted_mode.flags; | |
babea61d JB |
7686 | } |
7687 | ||
84b046f3 DV |
7688 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc) |
7689 | { | |
7690 | struct drm_device *dev = intel_crtc->base.dev; | |
7691 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7692 | uint32_t pipeconf; | |
7693 | ||
9f11a9e4 | 7694 | pipeconf = 0; |
84b046f3 | 7695 | |
b6b5d049 VS |
7696 | if ((intel_crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
7697 | (intel_crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
7698 | pipeconf |= I915_READ(PIPECONF(intel_crtc->pipe)) & PIPECONF_ENABLE; | |
67c72a12 | 7699 | |
6e3c9717 | 7700 | if (intel_crtc->config->double_wide) |
cf532bb2 | 7701 | pipeconf |= PIPECONF_DOUBLE_WIDE; |
84b046f3 | 7702 | |
ff9ce46e DV |
7703 | /* only g4x and later have fancy bpc/dither controls */ |
7704 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { | |
ff9ce46e | 7705 | /* Bspec claims that we can't use dithering for 30bpp pipes. */ |
6e3c9717 | 7706 | if (intel_crtc->config->dither && intel_crtc->config->pipe_bpp != 30) |
ff9ce46e | 7707 | pipeconf |= PIPECONF_DITHER_EN | |
84b046f3 | 7708 | PIPECONF_DITHER_TYPE_SP; |
84b046f3 | 7709 | |
6e3c9717 | 7710 | switch (intel_crtc->config->pipe_bpp) { |
ff9ce46e DV |
7711 | case 18: |
7712 | pipeconf |= PIPECONF_6BPC; | |
7713 | break; | |
7714 | case 24: | |
7715 | pipeconf |= PIPECONF_8BPC; | |
7716 | break; | |
7717 | case 30: | |
7718 | pipeconf |= PIPECONF_10BPC; | |
7719 | break; | |
7720 | default: | |
7721 | /* Case prevented by intel_choose_pipe_bpp_dither. */ | |
7722 | BUG(); | |
84b046f3 DV |
7723 | } |
7724 | } | |
7725 | ||
7726 | if (HAS_PIPE_CXSR(dev)) { | |
7727 | if (intel_crtc->lowfreq_avail) { | |
7728 | DRM_DEBUG_KMS("enabling CxSR downclocking\n"); | |
7729 | pipeconf |= PIPECONF_CXSR_DOWNCLOCK; | |
7730 | } else { | |
7731 | DRM_DEBUG_KMS("disabling CxSR downclocking\n"); | |
84b046f3 DV |
7732 | } |
7733 | } | |
7734 | ||
6e3c9717 | 7735 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) { |
efc2cfff | 7736 | if (INTEL_INFO(dev)->gen < 4 || |
409ee761 | 7737 | intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
efc2cfff VS |
7738 | pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; |
7739 | else | |
7740 | pipeconf |= PIPECONF_INTERLACE_W_SYNC_SHIFT; | |
7741 | } else | |
84b046f3 DV |
7742 | pipeconf |= PIPECONF_PROGRESSIVE; |
7743 | ||
6e3c9717 | 7744 | if (IS_VALLEYVIEW(dev) && intel_crtc->config->limited_color_range) |
9f11a9e4 | 7745 | pipeconf |= PIPECONF_COLOR_RANGE_SELECT; |
9c8e09b7 | 7746 | |
84b046f3 DV |
7747 | I915_WRITE(PIPECONF(intel_crtc->pipe), pipeconf); |
7748 | POSTING_READ(PIPECONF(intel_crtc->pipe)); | |
7749 | } | |
7750 | ||
190f68c5 ACO |
7751 | static int i9xx_crtc_compute_clock(struct intel_crtc *crtc, |
7752 | struct intel_crtc_state *crtc_state) | |
79e53945 | 7753 | { |
c7653199 | 7754 | struct drm_device *dev = crtc->base.dev; |
79e53945 | 7755 | struct drm_i915_private *dev_priv = dev->dev_private; |
c751ce4f | 7756 | int refclk, num_connectors = 0; |
c329a4ec DV |
7757 | intel_clock_t clock; |
7758 | bool ok; | |
7759 | bool is_dsi = false; | |
5eddb70b | 7760 | struct intel_encoder *encoder; |
d4906093 | 7761 | const intel_limit_t *limit; |
55bb9992 | 7762 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 7763 | struct drm_connector *connector; |
55bb9992 ACO |
7764 | struct drm_connector_state *connector_state; |
7765 | int i; | |
79e53945 | 7766 | |
dd3cd74a ACO |
7767 | memset(&crtc_state->dpll_hw_state, 0, |
7768 | sizeof(crtc_state->dpll_hw_state)); | |
7769 | ||
da3ced29 | 7770 | for_each_connector_in_state(state, connector, connector_state, i) { |
55bb9992 ACO |
7771 | if (connector_state->crtc != &crtc->base) |
7772 | continue; | |
7773 | ||
7774 | encoder = to_intel_encoder(connector_state->best_encoder); | |
7775 | ||
5eddb70b | 7776 | switch (encoder->type) { |
e9fd1c02 JN |
7777 | case INTEL_OUTPUT_DSI: |
7778 | is_dsi = true; | |
7779 | break; | |
6847d71b PZ |
7780 | default: |
7781 | break; | |
79e53945 | 7782 | } |
43565a06 | 7783 | |
c751ce4f | 7784 | num_connectors++; |
79e53945 JB |
7785 | } |
7786 | ||
f2335330 | 7787 | if (is_dsi) |
5b18e57c | 7788 | return 0; |
f2335330 | 7789 | |
190f68c5 | 7790 | if (!crtc_state->clock_set) { |
a93e255f | 7791 | refclk = i9xx_get_refclk(crtc_state, num_connectors); |
79e53945 | 7792 | |
e9fd1c02 JN |
7793 | /* |
7794 | * Returns a set of divisors for the desired target clock with | |
7795 | * the given refclk, or FALSE. The returned values represent | |
7796 | * the clock equation: reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + | |
7797 | * 2) / p1 / p2. | |
7798 | */ | |
a93e255f ACO |
7799 | limit = intel_limit(crtc_state, refclk); |
7800 | ok = dev_priv->display.find_dpll(limit, crtc_state, | |
190f68c5 | 7801 | crtc_state->port_clock, |
e9fd1c02 | 7802 | refclk, NULL, &clock); |
f2335330 | 7803 | if (!ok) { |
e9fd1c02 JN |
7804 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
7805 | return -EINVAL; | |
7806 | } | |
79e53945 | 7807 | |
f2335330 | 7808 | /* Compat-code for transition, will disappear. */ |
190f68c5 ACO |
7809 | crtc_state->dpll.n = clock.n; |
7810 | crtc_state->dpll.m1 = clock.m1; | |
7811 | crtc_state->dpll.m2 = clock.m2; | |
7812 | crtc_state->dpll.p1 = clock.p1; | |
7813 | crtc_state->dpll.p2 = clock.p2; | |
f47709a9 | 7814 | } |
7026d4ac | 7815 | |
e9fd1c02 | 7816 | if (IS_GEN2(dev)) { |
c329a4ec | 7817 | i8xx_compute_dpll(crtc, crtc_state, NULL, |
251ac862 | 7818 | num_connectors); |
9d556c99 | 7819 | } else if (IS_CHERRYVIEW(dev)) { |
251ac862 | 7820 | chv_compute_dpll(crtc, crtc_state); |
e9fd1c02 | 7821 | } else if (IS_VALLEYVIEW(dev)) { |
251ac862 | 7822 | vlv_compute_dpll(crtc, crtc_state); |
e9fd1c02 | 7823 | } else { |
c329a4ec | 7824 | i9xx_compute_dpll(crtc, crtc_state, NULL, |
251ac862 | 7825 | num_connectors); |
e9fd1c02 | 7826 | } |
79e53945 | 7827 | |
c8f7a0db | 7828 | return 0; |
f564048e EA |
7829 | } |
7830 | ||
2fa2fe9a | 7831 | static void i9xx_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 7832 | struct intel_crtc_state *pipe_config) |
2fa2fe9a DV |
7833 | { |
7834 | struct drm_device *dev = crtc->base.dev; | |
7835 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7836 | uint32_t tmp; | |
7837 | ||
dc9e7dec VS |
7838 | if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev))) |
7839 | return; | |
7840 | ||
2fa2fe9a | 7841 | tmp = I915_READ(PFIT_CONTROL); |
06922821 DV |
7842 | if (!(tmp & PFIT_ENABLE)) |
7843 | return; | |
2fa2fe9a | 7844 | |
06922821 | 7845 | /* Check whether the pfit is attached to our pipe. */ |
2fa2fe9a DV |
7846 | if (INTEL_INFO(dev)->gen < 4) { |
7847 | if (crtc->pipe != PIPE_B) | |
7848 | return; | |
2fa2fe9a DV |
7849 | } else { |
7850 | if ((tmp & PFIT_PIPE_MASK) != (crtc->pipe << PFIT_PIPE_SHIFT)) | |
7851 | return; | |
7852 | } | |
7853 | ||
06922821 | 7854 | pipe_config->gmch_pfit.control = tmp; |
2fa2fe9a DV |
7855 | pipe_config->gmch_pfit.pgm_ratios = I915_READ(PFIT_PGM_RATIOS); |
7856 | if (INTEL_INFO(dev)->gen < 5) | |
7857 | pipe_config->gmch_pfit.lvds_border_bits = | |
7858 | I915_READ(LVDS) & LVDS_BORDER_ENABLE; | |
7859 | } | |
7860 | ||
acbec814 | 7861 | static void vlv_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 7862 | struct intel_crtc_state *pipe_config) |
acbec814 JB |
7863 | { |
7864 | struct drm_device *dev = crtc->base.dev; | |
7865 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7866 | int pipe = pipe_config->cpu_transcoder; | |
7867 | intel_clock_t clock; | |
7868 | u32 mdiv; | |
662c6ecb | 7869 | int refclk = 100000; |
acbec814 | 7870 | |
f573de5a SK |
7871 | /* In case of MIPI DPLL will not even be used */ |
7872 | if (!(pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE)) | |
7873 | return; | |
7874 | ||
a580516d | 7875 | mutex_lock(&dev_priv->sb_lock); |
ab3c759a | 7876 | mdiv = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW3(pipe)); |
a580516d | 7877 | mutex_unlock(&dev_priv->sb_lock); |
acbec814 JB |
7878 | |
7879 | clock.m1 = (mdiv >> DPIO_M1DIV_SHIFT) & 7; | |
7880 | clock.m2 = mdiv & DPIO_M2DIV_MASK; | |
7881 | clock.n = (mdiv >> DPIO_N_SHIFT) & 0xf; | |
7882 | clock.p1 = (mdiv >> DPIO_P1_SHIFT) & 7; | |
7883 | clock.p2 = (mdiv >> DPIO_P2_SHIFT) & 0x1f; | |
7884 | ||
f646628b | 7885 | vlv_clock(refclk, &clock); |
acbec814 | 7886 | |
f646628b VS |
7887 | /* clock.dot is the fast clock */ |
7888 | pipe_config->port_clock = clock.dot / 5; | |
acbec814 JB |
7889 | } |
7890 | ||
5724dbd1 DL |
7891 | static void |
7892 | i9xx_get_initial_plane_config(struct intel_crtc *crtc, | |
7893 | struct intel_initial_plane_config *plane_config) | |
1ad292b5 JB |
7894 | { |
7895 | struct drm_device *dev = crtc->base.dev; | |
7896 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7897 | u32 val, base, offset; | |
7898 | int pipe = crtc->pipe, plane = crtc->plane; | |
7899 | int fourcc, pixel_format; | |
6761dd31 | 7900 | unsigned int aligned_height; |
b113d5ee | 7901 | struct drm_framebuffer *fb; |
1b842c89 | 7902 | struct intel_framebuffer *intel_fb; |
1ad292b5 | 7903 | |
42a7b088 DL |
7904 | val = I915_READ(DSPCNTR(plane)); |
7905 | if (!(val & DISPLAY_PLANE_ENABLE)) | |
7906 | return; | |
7907 | ||
d9806c9f | 7908 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 7909 | if (!intel_fb) { |
1ad292b5 JB |
7910 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
7911 | return; | |
7912 | } | |
7913 | ||
1b842c89 DL |
7914 | fb = &intel_fb->base; |
7915 | ||
18c5247e DV |
7916 | if (INTEL_INFO(dev)->gen >= 4) { |
7917 | if (val & DISPPLANE_TILED) { | |
49af449b | 7918 | plane_config->tiling = I915_TILING_X; |
18c5247e DV |
7919 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; |
7920 | } | |
7921 | } | |
1ad292b5 JB |
7922 | |
7923 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; | |
b35d63fa | 7924 | fourcc = i9xx_format_to_fourcc(pixel_format); |
b113d5ee DL |
7925 | fb->pixel_format = fourcc; |
7926 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
1ad292b5 JB |
7927 | |
7928 | if (INTEL_INFO(dev)->gen >= 4) { | |
49af449b | 7929 | if (plane_config->tiling) |
1ad292b5 JB |
7930 | offset = I915_READ(DSPTILEOFF(plane)); |
7931 | else | |
7932 | offset = I915_READ(DSPLINOFF(plane)); | |
7933 | base = I915_READ(DSPSURF(plane)) & 0xfffff000; | |
7934 | } else { | |
7935 | base = I915_READ(DSPADDR(plane)); | |
7936 | } | |
7937 | plane_config->base = base; | |
7938 | ||
7939 | val = I915_READ(PIPESRC(pipe)); | |
b113d5ee DL |
7940 | fb->width = ((val >> 16) & 0xfff) + 1; |
7941 | fb->height = ((val >> 0) & 0xfff) + 1; | |
1ad292b5 JB |
7942 | |
7943 | val = I915_READ(DSPSTRIDE(pipe)); | |
b113d5ee | 7944 | fb->pitches[0] = val & 0xffffffc0; |
1ad292b5 | 7945 | |
b113d5ee | 7946 | aligned_height = intel_fb_align_height(dev, fb->height, |
091df6cb DV |
7947 | fb->pixel_format, |
7948 | fb->modifier[0]); | |
1ad292b5 | 7949 | |
f37b5c2b | 7950 | plane_config->size = fb->pitches[0] * aligned_height; |
1ad292b5 | 7951 | |
2844a921 DL |
7952 | DRM_DEBUG_KMS("pipe/plane %c/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
7953 | pipe_name(pipe), plane, fb->width, fb->height, | |
7954 | fb->bits_per_pixel, base, fb->pitches[0], | |
7955 | plane_config->size); | |
1ad292b5 | 7956 | |
2d14030b | 7957 | plane_config->fb = intel_fb; |
1ad292b5 JB |
7958 | } |
7959 | ||
70b23a98 | 7960 | static void chv_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 7961 | struct intel_crtc_state *pipe_config) |
70b23a98 VS |
7962 | { |
7963 | struct drm_device *dev = crtc->base.dev; | |
7964 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7965 | int pipe = pipe_config->cpu_transcoder; | |
7966 | enum dpio_channel port = vlv_pipe_to_channel(pipe); | |
7967 | intel_clock_t clock; | |
7968 | u32 cmn_dw13, pll_dw0, pll_dw1, pll_dw2; | |
7969 | int refclk = 100000; | |
7970 | ||
a580516d | 7971 | mutex_lock(&dev_priv->sb_lock); |
70b23a98 VS |
7972 | cmn_dw13 = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW13(port)); |
7973 | pll_dw0 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW0(port)); | |
7974 | pll_dw1 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW1(port)); | |
7975 | pll_dw2 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW2(port)); | |
a580516d | 7976 | mutex_unlock(&dev_priv->sb_lock); |
70b23a98 VS |
7977 | |
7978 | clock.m1 = (pll_dw1 & 0x7) == DPIO_CHV_M1_DIV_BY_2 ? 2 : 0; | |
7979 | clock.m2 = ((pll_dw0 & 0xff) << 22) | (pll_dw2 & 0x3fffff); | |
7980 | clock.n = (pll_dw1 >> DPIO_CHV_N_DIV_SHIFT) & 0xf; | |
7981 | clock.p1 = (cmn_dw13 >> DPIO_CHV_P1_DIV_SHIFT) & 0x7; | |
7982 | clock.p2 = (cmn_dw13 >> DPIO_CHV_P2_DIV_SHIFT) & 0x1f; | |
7983 | ||
7984 | chv_clock(refclk, &clock); | |
7985 | ||
7986 | /* clock.dot is the fast clock */ | |
7987 | pipe_config->port_clock = clock.dot / 5; | |
7988 | } | |
7989 | ||
0e8ffe1b | 7990 | static bool i9xx_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 7991 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
7992 | { |
7993 | struct drm_device *dev = crtc->base.dev; | |
7994 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7995 | uint32_t tmp; | |
7996 | ||
f458ebbc DV |
7997 | if (!intel_display_power_is_enabled(dev_priv, |
7998 | POWER_DOMAIN_PIPE(crtc->pipe))) | |
b5482bd0 ID |
7999 | return false; |
8000 | ||
e143a21c | 8001 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
c0d43d62 | 8002 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
eccb140b | 8003 | |
0e8ffe1b DV |
8004 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
8005 | if (!(tmp & PIPECONF_ENABLE)) | |
8006 | return false; | |
8007 | ||
42571aef VS |
8008 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { |
8009 | switch (tmp & PIPECONF_BPC_MASK) { | |
8010 | case PIPECONF_6BPC: | |
8011 | pipe_config->pipe_bpp = 18; | |
8012 | break; | |
8013 | case PIPECONF_8BPC: | |
8014 | pipe_config->pipe_bpp = 24; | |
8015 | break; | |
8016 | case PIPECONF_10BPC: | |
8017 | pipe_config->pipe_bpp = 30; | |
8018 | break; | |
8019 | default: | |
8020 | break; | |
8021 | } | |
8022 | } | |
8023 | ||
b5a9fa09 DV |
8024 | if (IS_VALLEYVIEW(dev) && (tmp & PIPECONF_COLOR_RANGE_SELECT)) |
8025 | pipe_config->limited_color_range = true; | |
8026 | ||
282740f7 VS |
8027 | if (INTEL_INFO(dev)->gen < 4) |
8028 | pipe_config->double_wide = tmp & PIPECONF_DOUBLE_WIDE; | |
8029 | ||
1bd1bd80 DV |
8030 | intel_get_pipe_timings(crtc, pipe_config); |
8031 | ||
2fa2fe9a DV |
8032 | i9xx_get_pfit_config(crtc, pipe_config); |
8033 | ||
6c49f241 DV |
8034 | if (INTEL_INFO(dev)->gen >= 4) { |
8035 | tmp = I915_READ(DPLL_MD(crtc->pipe)); | |
8036 | pipe_config->pixel_multiplier = | |
8037 | ((tmp & DPLL_MD_UDI_MULTIPLIER_MASK) | |
8038 | >> DPLL_MD_UDI_MULTIPLIER_SHIFT) + 1; | |
8bcc2795 | 8039 | pipe_config->dpll_hw_state.dpll_md = tmp; |
6c49f241 DV |
8040 | } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
8041 | tmp = I915_READ(DPLL(crtc->pipe)); | |
8042 | pipe_config->pixel_multiplier = | |
8043 | ((tmp & SDVO_MULTIPLIER_MASK) | |
8044 | >> SDVO_MULTIPLIER_SHIFT_HIRES) + 1; | |
8045 | } else { | |
8046 | /* Note that on i915G/GM the pixel multiplier is in the sdvo | |
8047 | * port and will be fixed up in the encoder->get_config | |
8048 | * function. */ | |
8049 | pipe_config->pixel_multiplier = 1; | |
8050 | } | |
8bcc2795 DV |
8051 | pipe_config->dpll_hw_state.dpll = I915_READ(DPLL(crtc->pipe)); |
8052 | if (!IS_VALLEYVIEW(dev)) { | |
1c4e0274 VS |
8053 | /* |
8054 | * DPLL_DVO_2X_MODE must be enabled for both DPLLs | |
8055 | * on 830. Filter it out here so that we don't | |
8056 | * report errors due to that. | |
8057 | */ | |
8058 | if (IS_I830(dev)) | |
8059 | pipe_config->dpll_hw_state.dpll &= ~DPLL_DVO_2X_MODE; | |
8060 | ||
8bcc2795 DV |
8061 | pipe_config->dpll_hw_state.fp0 = I915_READ(FP0(crtc->pipe)); |
8062 | pipe_config->dpll_hw_state.fp1 = I915_READ(FP1(crtc->pipe)); | |
165e901c VS |
8063 | } else { |
8064 | /* Mask out read-only status bits. */ | |
8065 | pipe_config->dpll_hw_state.dpll &= ~(DPLL_LOCK_VLV | | |
8066 | DPLL_PORTC_READY_MASK | | |
8067 | DPLL_PORTB_READY_MASK); | |
8bcc2795 | 8068 | } |
6c49f241 | 8069 | |
70b23a98 VS |
8070 | if (IS_CHERRYVIEW(dev)) |
8071 | chv_crtc_clock_get(crtc, pipe_config); | |
8072 | else if (IS_VALLEYVIEW(dev)) | |
acbec814 JB |
8073 | vlv_crtc_clock_get(crtc, pipe_config); |
8074 | else | |
8075 | i9xx_crtc_clock_get(crtc, pipe_config); | |
18442d08 | 8076 | |
0e8ffe1b DV |
8077 | return true; |
8078 | } | |
8079 | ||
dde86e2d | 8080 | static void ironlake_init_pch_refclk(struct drm_device *dev) |
13d83a67 JB |
8081 | { |
8082 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13d83a67 | 8083 | struct intel_encoder *encoder; |
74cfd7ac | 8084 | u32 val, final; |
13d83a67 | 8085 | bool has_lvds = false; |
199e5d79 | 8086 | bool has_cpu_edp = false; |
199e5d79 | 8087 | bool has_panel = false; |
99eb6a01 KP |
8088 | bool has_ck505 = false; |
8089 | bool can_ssc = false; | |
13d83a67 JB |
8090 | |
8091 | /* We need to take the global config into account */ | |
b2784e15 | 8092 | for_each_intel_encoder(dev, encoder) { |
199e5d79 KP |
8093 | switch (encoder->type) { |
8094 | case INTEL_OUTPUT_LVDS: | |
8095 | has_panel = true; | |
8096 | has_lvds = true; | |
8097 | break; | |
8098 | case INTEL_OUTPUT_EDP: | |
8099 | has_panel = true; | |
2de6905f | 8100 | if (enc_to_dig_port(&encoder->base)->port == PORT_A) |
199e5d79 KP |
8101 | has_cpu_edp = true; |
8102 | break; | |
6847d71b PZ |
8103 | default: |
8104 | break; | |
13d83a67 JB |
8105 | } |
8106 | } | |
8107 | ||
99eb6a01 | 8108 | if (HAS_PCH_IBX(dev)) { |
41aa3448 | 8109 | has_ck505 = dev_priv->vbt.display_clock_mode; |
99eb6a01 KP |
8110 | can_ssc = has_ck505; |
8111 | } else { | |
8112 | has_ck505 = false; | |
8113 | can_ssc = true; | |
8114 | } | |
8115 | ||
2de6905f ID |
8116 | DRM_DEBUG_KMS("has_panel %d has_lvds %d has_ck505 %d\n", |
8117 | has_panel, has_lvds, has_ck505); | |
13d83a67 JB |
8118 | |
8119 | /* Ironlake: try to setup display ref clock before DPLL | |
8120 | * enabling. This is only under driver's control after | |
8121 | * PCH B stepping, previous chipset stepping should be | |
8122 | * ignoring this setting. | |
8123 | */ | |
74cfd7ac CW |
8124 | val = I915_READ(PCH_DREF_CONTROL); |
8125 | ||
8126 | /* As we must carefully and slowly disable/enable each source in turn, | |
8127 | * compute the final state we want first and check if we need to | |
8128 | * make any changes at all. | |
8129 | */ | |
8130 | final = val; | |
8131 | final &= ~DREF_NONSPREAD_SOURCE_MASK; | |
8132 | if (has_ck505) | |
8133 | final |= DREF_NONSPREAD_CK505_ENABLE; | |
8134 | else | |
8135 | final |= DREF_NONSPREAD_SOURCE_ENABLE; | |
8136 | ||
8137 | final &= ~DREF_SSC_SOURCE_MASK; | |
8138 | final &= ~DREF_CPU_SOURCE_OUTPUT_MASK; | |
8139 | final &= ~DREF_SSC1_ENABLE; | |
8140 | ||
8141 | if (has_panel) { | |
8142 | final |= DREF_SSC_SOURCE_ENABLE; | |
8143 | ||
8144 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
8145 | final |= DREF_SSC1_ENABLE; | |
8146 | ||
8147 | if (has_cpu_edp) { | |
8148 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
8149 | final |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; | |
8150 | else | |
8151 | final |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; | |
8152 | } else | |
8153 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; | |
8154 | } else { | |
8155 | final |= DREF_SSC_SOURCE_DISABLE; | |
8156 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; | |
8157 | } | |
8158 | ||
8159 | if (final == val) | |
8160 | return; | |
8161 | ||
13d83a67 | 8162 | /* Always enable nonspread source */ |
74cfd7ac | 8163 | val &= ~DREF_NONSPREAD_SOURCE_MASK; |
13d83a67 | 8164 | |
99eb6a01 | 8165 | if (has_ck505) |
74cfd7ac | 8166 | val |= DREF_NONSPREAD_CK505_ENABLE; |
99eb6a01 | 8167 | else |
74cfd7ac | 8168 | val |= DREF_NONSPREAD_SOURCE_ENABLE; |
13d83a67 | 8169 | |
199e5d79 | 8170 | if (has_panel) { |
74cfd7ac CW |
8171 | val &= ~DREF_SSC_SOURCE_MASK; |
8172 | val |= DREF_SSC_SOURCE_ENABLE; | |
13d83a67 | 8173 | |
199e5d79 | 8174 | /* SSC must be turned on before enabling the CPU output */ |
99eb6a01 | 8175 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 8176 | DRM_DEBUG_KMS("Using SSC on panel\n"); |
74cfd7ac | 8177 | val |= DREF_SSC1_ENABLE; |
e77166b5 | 8178 | } else |
74cfd7ac | 8179 | val &= ~DREF_SSC1_ENABLE; |
199e5d79 KP |
8180 | |
8181 | /* Get SSC going before enabling the outputs */ | |
74cfd7ac | 8182 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
8183 | POSTING_READ(PCH_DREF_CONTROL); |
8184 | udelay(200); | |
8185 | ||
74cfd7ac | 8186 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
13d83a67 JB |
8187 | |
8188 | /* Enable CPU source on CPU attached eDP */ | |
199e5d79 | 8189 | if (has_cpu_edp) { |
99eb6a01 | 8190 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 8191 | DRM_DEBUG_KMS("Using SSC on eDP\n"); |
74cfd7ac | 8192 | val |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; |
eba905b2 | 8193 | } else |
74cfd7ac | 8194 | val |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; |
199e5d79 | 8195 | } else |
74cfd7ac | 8196 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 8197 | |
74cfd7ac | 8198 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
8199 | POSTING_READ(PCH_DREF_CONTROL); |
8200 | udelay(200); | |
8201 | } else { | |
8202 | DRM_DEBUG_KMS("Disabling SSC entirely\n"); | |
8203 | ||
74cfd7ac | 8204 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
199e5d79 KP |
8205 | |
8206 | /* Turn off CPU output */ | |
74cfd7ac | 8207 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 8208 | |
74cfd7ac | 8209 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
8210 | POSTING_READ(PCH_DREF_CONTROL); |
8211 | udelay(200); | |
8212 | ||
8213 | /* Turn off the SSC source */ | |
74cfd7ac CW |
8214 | val &= ~DREF_SSC_SOURCE_MASK; |
8215 | val |= DREF_SSC_SOURCE_DISABLE; | |
199e5d79 KP |
8216 | |
8217 | /* Turn off SSC1 */ | |
74cfd7ac | 8218 | val &= ~DREF_SSC1_ENABLE; |
199e5d79 | 8219 | |
74cfd7ac | 8220 | I915_WRITE(PCH_DREF_CONTROL, val); |
13d83a67 JB |
8221 | POSTING_READ(PCH_DREF_CONTROL); |
8222 | udelay(200); | |
8223 | } | |
74cfd7ac CW |
8224 | |
8225 | BUG_ON(val != final); | |
13d83a67 JB |
8226 | } |
8227 | ||
f31f2d55 | 8228 | static void lpt_reset_fdi_mphy(struct drm_i915_private *dev_priv) |
dde86e2d | 8229 | { |
f31f2d55 | 8230 | uint32_t tmp; |
dde86e2d | 8231 | |
0ff066a9 PZ |
8232 | tmp = I915_READ(SOUTH_CHICKEN2); |
8233 | tmp |= FDI_MPHY_IOSFSB_RESET_CTL; | |
8234 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
dde86e2d | 8235 | |
0ff066a9 PZ |
8236 | if (wait_for_atomic_us(I915_READ(SOUTH_CHICKEN2) & |
8237 | FDI_MPHY_IOSFSB_RESET_STATUS, 100)) | |
8238 | DRM_ERROR("FDI mPHY reset assert timeout\n"); | |
dde86e2d | 8239 | |
0ff066a9 PZ |
8240 | tmp = I915_READ(SOUTH_CHICKEN2); |
8241 | tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL; | |
8242 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
dde86e2d | 8243 | |
0ff066a9 PZ |
8244 | if (wait_for_atomic_us((I915_READ(SOUTH_CHICKEN2) & |
8245 | FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100)) | |
8246 | DRM_ERROR("FDI mPHY reset de-assert timeout\n"); | |
f31f2d55 PZ |
8247 | } |
8248 | ||
8249 | /* WaMPhyProgramming:hsw */ | |
8250 | static void lpt_program_fdi_mphy(struct drm_i915_private *dev_priv) | |
8251 | { | |
8252 | uint32_t tmp; | |
dde86e2d PZ |
8253 | |
8254 | tmp = intel_sbi_read(dev_priv, 0x8008, SBI_MPHY); | |
8255 | tmp &= ~(0xFF << 24); | |
8256 | tmp |= (0x12 << 24); | |
8257 | intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY); | |
8258 | ||
dde86e2d PZ |
8259 | tmp = intel_sbi_read(dev_priv, 0x2008, SBI_MPHY); |
8260 | tmp |= (1 << 11); | |
8261 | intel_sbi_write(dev_priv, 0x2008, tmp, SBI_MPHY); | |
8262 | ||
8263 | tmp = intel_sbi_read(dev_priv, 0x2108, SBI_MPHY); | |
8264 | tmp |= (1 << 11); | |
8265 | intel_sbi_write(dev_priv, 0x2108, tmp, SBI_MPHY); | |
8266 | ||
dde86e2d PZ |
8267 | tmp = intel_sbi_read(dev_priv, 0x206C, SBI_MPHY); |
8268 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
8269 | intel_sbi_write(dev_priv, 0x206C, tmp, SBI_MPHY); | |
8270 | ||
8271 | tmp = intel_sbi_read(dev_priv, 0x216C, SBI_MPHY); | |
8272 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
8273 | intel_sbi_write(dev_priv, 0x216C, tmp, SBI_MPHY); | |
8274 | ||
0ff066a9 PZ |
8275 | tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY); |
8276 | tmp &= ~(7 << 13); | |
8277 | tmp |= (5 << 13); | |
8278 | intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY); | |
dde86e2d | 8279 | |
0ff066a9 PZ |
8280 | tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY); |
8281 | tmp &= ~(7 << 13); | |
8282 | tmp |= (5 << 13); | |
8283 | intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY); | |
dde86e2d PZ |
8284 | |
8285 | tmp = intel_sbi_read(dev_priv, 0x208C, SBI_MPHY); | |
8286 | tmp &= ~0xFF; | |
8287 | tmp |= 0x1C; | |
8288 | intel_sbi_write(dev_priv, 0x208C, tmp, SBI_MPHY); | |
8289 | ||
8290 | tmp = intel_sbi_read(dev_priv, 0x218C, SBI_MPHY); | |
8291 | tmp &= ~0xFF; | |
8292 | tmp |= 0x1C; | |
8293 | intel_sbi_write(dev_priv, 0x218C, tmp, SBI_MPHY); | |
8294 | ||
8295 | tmp = intel_sbi_read(dev_priv, 0x2098, SBI_MPHY); | |
8296 | tmp &= ~(0xFF << 16); | |
8297 | tmp |= (0x1C << 16); | |
8298 | intel_sbi_write(dev_priv, 0x2098, tmp, SBI_MPHY); | |
8299 | ||
8300 | tmp = intel_sbi_read(dev_priv, 0x2198, SBI_MPHY); | |
8301 | tmp &= ~(0xFF << 16); | |
8302 | tmp |= (0x1C << 16); | |
8303 | intel_sbi_write(dev_priv, 0x2198, tmp, SBI_MPHY); | |
8304 | ||
0ff066a9 PZ |
8305 | tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY); |
8306 | tmp |= (1 << 27); | |
8307 | intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY); | |
dde86e2d | 8308 | |
0ff066a9 PZ |
8309 | tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY); |
8310 | tmp |= (1 << 27); | |
8311 | intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY); | |
dde86e2d | 8312 | |
0ff066a9 PZ |
8313 | tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY); |
8314 | tmp &= ~(0xF << 28); | |
8315 | tmp |= (4 << 28); | |
8316 | intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY); | |
dde86e2d | 8317 | |
0ff066a9 PZ |
8318 | tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY); |
8319 | tmp &= ~(0xF << 28); | |
8320 | tmp |= (4 << 28); | |
8321 | intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY); | |
f31f2d55 PZ |
8322 | } |
8323 | ||
2fa86a1f PZ |
8324 | /* Implements 3 different sequences from BSpec chapter "Display iCLK |
8325 | * Programming" based on the parameters passed: | |
8326 | * - Sequence to enable CLKOUT_DP | |
8327 | * - Sequence to enable CLKOUT_DP without spread | |
8328 | * - Sequence to enable CLKOUT_DP for FDI usage and configure PCH FDI I/O | |
8329 | */ | |
8330 | static void lpt_enable_clkout_dp(struct drm_device *dev, bool with_spread, | |
8331 | bool with_fdi) | |
f31f2d55 PZ |
8332 | { |
8333 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2fa86a1f PZ |
8334 | uint32_t reg, tmp; |
8335 | ||
8336 | if (WARN(with_fdi && !with_spread, "FDI requires downspread\n")) | |
8337 | with_spread = true; | |
8338 | if (WARN(dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE && | |
8339 | with_fdi, "LP PCH doesn't have FDI\n")) | |
8340 | with_fdi = false; | |
f31f2d55 | 8341 | |
a580516d | 8342 | mutex_lock(&dev_priv->sb_lock); |
f31f2d55 PZ |
8343 | |
8344 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
8345 | tmp &= ~SBI_SSCCTL_DISABLE; | |
8346 | tmp |= SBI_SSCCTL_PATHALT; | |
8347 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
8348 | ||
8349 | udelay(24); | |
8350 | ||
2fa86a1f PZ |
8351 | if (with_spread) { |
8352 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
8353 | tmp &= ~SBI_SSCCTL_PATHALT; | |
8354 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
f31f2d55 | 8355 | |
2fa86a1f PZ |
8356 | if (with_fdi) { |
8357 | lpt_reset_fdi_mphy(dev_priv); | |
8358 | lpt_program_fdi_mphy(dev_priv); | |
8359 | } | |
8360 | } | |
dde86e2d | 8361 | |
2fa86a1f PZ |
8362 | reg = (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) ? |
8363 | SBI_GEN0 : SBI_DBUFF0; | |
8364 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); | |
8365 | tmp |= SBI_GEN0_CFG_BUFFENABLE_DISABLE; | |
8366 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); | |
c00db246 | 8367 | |
a580516d | 8368 | mutex_unlock(&dev_priv->sb_lock); |
dde86e2d PZ |
8369 | } |
8370 | ||
47701c3b PZ |
8371 | /* Sequence to disable CLKOUT_DP */ |
8372 | static void lpt_disable_clkout_dp(struct drm_device *dev) | |
8373 | { | |
8374 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8375 | uint32_t reg, tmp; | |
8376 | ||
a580516d | 8377 | mutex_lock(&dev_priv->sb_lock); |
47701c3b PZ |
8378 | |
8379 | reg = (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) ? | |
8380 | SBI_GEN0 : SBI_DBUFF0; | |
8381 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); | |
8382 | tmp &= ~SBI_GEN0_CFG_BUFFENABLE_DISABLE; | |
8383 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); | |
8384 | ||
8385 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
8386 | if (!(tmp & SBI_SSCCTL_DISABLE)) { | |
8387 | if (!(tmp & SBI_SSCCTL_PATHALT)) { | |
8388 | tmp |= SBI_SSCCTL_PATHALT; | |
8389 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
8390 | udelay(32); | |
8391 | } | |
8392 | tmp |= SBI_SSCCTL_DISABLE; | |
8393 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
8394 | } | |
8395 | ||
a580516d | 8396 | mutex_unlock(&dev_priv->sb_lock); |
47701c3b PZ |
8397 | } |
8398 | ||
bf8fa3d3 PZ |
8399 | static void lpt_init_pch_refclk(struct drm_device *dev) |
8400 | { | |
bf8fa3d3 PZ |
8401 | struct intel_encoder *encoder; |
8402 | bool has_vga = false; | |
8403 | ||
b2784e15 | 8404 | for_each_intel_encoder(dev, encoder) { |
bf8fa3d3 PZ |
8405 | switch (encoder->type) { |
8406 | case INTEL_OUTPUT_ANALOG: | |
8407 | has_vga = true; | |
8408 | break; | |
6847d71b PZ |
8409 | default: |
8410 | break; | |
bf8fa3d3 PZ |
8411 | } |
8412 | } | |
8413 | ||
47701c3b PZ |
8414 | if (has_vga) |
8415 | lpt_enable_clkout_dp(dev, true, true); | |
8416 | else | |
8417 | lpt_disable_clkout_dp(dev); | |
bf8fa3d3 PZ |
8418 | } |
8419 | ||
dde86e2d PZ |
8420 | /* |
8421 | * Initialize reference clocks when the driver loads | |
8422 | */ | |
8423 | void intel_init_pch_refclk(struct drm_device *dev) | |
8424 | { | |
8425 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
8426 | ironlake_init_pch_refclk(dev); | |
8427 | else if (HAS_PCH_LPT(dev)) | |
8428 | lpt_init_pch_refclk(dev); | |
8429 | } | |
8430 | ||
55bb9992 | 8431 | static int ironlake_get_refclk(struct intel_crtc_state *crtc_state) |
d9d444cb | 8432 | { |
55bb9992 | 8433 | struct drm_device *dev = crtc_state->base.crtc->dev; |
d9d444cb | 8434 | struct drm_i915_private *dev_priv = dev->dev_private; |
55bb9992 | 8435 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 8436 | struct drm_connector *connector; |
55bb9992 | 8437 | struct drm_connector_state *connector_state; |
d9d444cb | 8438 | struct intel_encoder *encoder; |
55bb9992 | 8439 | int num_connectors = 0, i; |
d9d444cb JB |
8440 | bool is_lvds = false; |
8441 | ||
da3ced29 | 8442 | for_each_connector_in_state(state, connector, connector_state, i) { |
55bb9992 ACO |
8443 | if (connector_state->crtc != crtc_state->base.crtc) |
8444 | continue; | |
8445 | ||
8446 | encoder = to_intel_encoder(connector_state->best_encoder); | |
8447 | ||
d9d444cb JB |
8448 | switch (encoder->type) { |
8449 | case INTEL_OUTPUT_LVDS: | |
8450 | is_lvds = true; | |
8451 | break; | |
6847d71b PZ |
8452 | default: |
8453 | break; | |
d9d444cb JB |
8454 | } |
8455 | num_connectors++; | |
8456 | } | |
8457 | ||
8458 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) { | |
e91e941b | 8459 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", |
41aa3448 | 8460 | dev_priv->vbt.lvds_ssc_freq); |
e91e941b | 8461 | return dev_priv->vbt.lvds_ssc_freq; |
d9d444cb JB |
8462 | } |
8463 | ||
8464 | return 120000; | |
8465 | } | |
8466 | ||
6ff93609 | 8467 | static void ironlake_set_pipeconf(struct drm_crtc *crtc) |
79e53945 | 8468 | { |
c8203565 | 8469 | struct drm_i915_private *dev_priv = crtc->dev->dev_private; |
79e53945 JB |
8470 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8471 | int pipe = intel_crtc->pipe; | |
c8203565 PZ |
8472 | uint32_t val; |
8473 | ||
78114071 | 8474 | val = 0; |
c8203565 | 8475 | |
6e3c9717 | 8476 | switch (intel_crtc->config->pipe_bpp) { |
c8203565 | 8477 | case 18: |
dfd07d72 | 8478 | val |= PIPECONF_6BPC; |
c8203565 PZ |
8479 | break; |
8480 | case 24: | |
dfd07d72 | 8481 | val |= PIPECONF_8BPC; |
c8203565 PZ |
8482 | break; |
8483 | case 30: | |
dfd07d72 | 8484 | val |= PIPECONF_10BPC; |
c8203565 PZ |
8485 | break; |
8486 | case 36: | |
dfd07d72 | 8487 | val |= PIPECONF_12BPC; |
c8203565 PZ |
8488 | break; |
8489 | default: | |
cc769b62 PZ |
8490 | /* Case prevented by intel_choose_pipe_bpp_dither. */ |
8491 | BUG(); | |
c8203565 PZ |
8492 | } |
8493 | ||
6e3c9717 | 8494 | if (intel_crtc->config->dither) |
c8203565 PZ |
8495 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
8496 | ||
6e3c9717 | 8497 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
c8203565 PZ |
8498 | val |= PIPECONF_INTERLACED_ILK; |
8499 | else | |
8500 | val |= PIPECONF_PROGRESSIVE; | |
8501 | ||
6e3c9717 | 8502 | if (intel_crtc->config->limited_color_range) |
3685a8f3 | 8503 | val |= PIPECONF_COLOR_RANGE_SELECT; |
3685a8f3 | 8504 | |
c8203565 PZ |
8505 | I915_WRITE(PIPECONF(pipe), val); |
8506 | POSTING_READ(PIPECONF(pipe)); | |
8507 | } | |
8508 | ||
86d3efce VS |
8509 | /* |
8510 | * Set up the pipe CSC unit. | |
8511 | * | |
8512 | * Currently only full range RGB to limited range RGB conversion | |
8513 | * is supported, but eventually this should handle various | |
8514 | * RGB<->YCbCr scenarios as well. | |
8515 | */ | |
50f3b016 | 8516 | static void intel_set_pipe_csc(struct drm_crtc *crtc) |
86d3efce VS |
8517 | { |
8518 | struct drm_device *dev = crtc->dev; | |
8519 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8520 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
8521 | int pipe = intel_crtc->pipe; | |
8522 | uint16_t coeff = 0x7800; /* 1.0 */ | |
8523 | ||
8524 | /* | |
8525 | * TODO: Check what kind of values actually come out of the pipe | |
8526 | * with these coeff/postoff values and adjust to get the best | |
8527 | * accuracy. Perhaps we even need to take the bpc value into | |
8528 | * consideration. | |
8529 | */ | |
8530 | ||
6e3c9717 | 8531 | if (intel_crtc->config->limited_color_range) |
86d3efce VS |
8532 | coeff = ((235 - 16) * (1 << 12) / 255) & 0xff8; /* 0.xxx... */ |
8533 | ||
8534 | /* | |
8535 | * GY/GU and RY/RU should be the other way around according | |
8536 | * to BSpec, but reality doesn't agree. Just set them up in | |
8537 | * a way that results in the correct picture. | |
8538 | */ | |
8539 | I915_WRITE(PIPE_CSC_COEFF_RY_GY(pipe), coeff << 16); | |
8540 | I915_WRITE(PIPE_CSC_COEFF_BY(pipe), 0); | |
8541 | ||
8542 | I915_WRITE(PIPE_CSC_COEFF_RU_GU(pipe), coeff); | |
8543 | I915_WRITE(PIPE_CSC_COEFF_BU(pipe), 0); | |
8544 | ||
8545 | I915_WRITE(PIPE_CSC_COEFF_RV_GV(pipe), 0); | |
8546 | I915_WRITE(PIPE_CSC_COEFF_BV(pipe), coeff << 16); | |
8547 | ||
8548 | I915_WRITE(PIPE_CSC_PREOFF_HI(pipe), 0); | |
8549 | I915_WRITE(PIPE_CSC_PREOFF_ME(pipe), 0); | |
8550 | I915_WRITE(PIPE_CSC_PREOFF_LO(pipe), 0); | |
8551 | ||
8552 | if (INTEL_INFO(dev)->gen > 6) { | |
8553 | uint16_t postoff = 0; | |
8554 | ||
6e3c9717 | 8555 | if (intel_crtc->config->limited_color_range) |
32cf0cb0 | 8556 | postoff = (16 * (1 << 12) / 255) & 0x1fff; |
86d3efce VS |
8557 | |
8558 | I915_WRITE(PIPE_CSC_POSTOFF_HI(pipe), postoff); | |
8559 | I915_WRITE(PIPE_CSC_POSTOFF_ME(pipe), postoff); | |
8560 | I915_WRITE(PIPE_CSC_POSTOFF_LO(pipe), postoff); | |
8561 | ||
8562 | I915_WRITE(PIPE_CSC_MODE(pipe), 0); | |
8563 | } else { | |
8564 | uint32_t mode = CSC_MODE_YUV_TO_RGB; | |
8565 | ||
6e3c9717 | 8566 | if (intel_crtc->config->limited_color_range) |
86d3efce VS |
8567 | mode |= CSC_BLACK_SCREEN_OFFSET; |
8568 | ||
8569 | I915_WRITE(PIPE_CSC_MODE(pipe), mode); | |
8570 | } | |
8571 | } | |
8572 | ||
6ff93609 | 8573 | static void haswell_set_pipeconf(struct drm_crtc *crtc) |
ee2b0b38 | 8574 | { |
756f85cf PZ |
8575 | struct drm_device *dev = crtc->dev; |
8576 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ee2b0b38 | 8577 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
756f85cf | 8578 | enum pipe pipe = intel_crtc->pipe; |
6e3c9717 | 8579 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
ee2b0b38 PZ |
8580 | uint32_t val; |
8581 | ||
3eff4faa | 8582 | val = 0; |
ee2b0b38 | 8583 | |
6e3c9717 | 8584 | if (IS_HASWELL(dev) && intel_crtc->config->dither) |
ee2b0b38 PZ |
8585 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
8586 | ||
6e3c9717 | 8587 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
ee2b0b38 PZ |
8588 | val |= PIPECONF_INTERLACED_ILK; |
8589 | else | |
8590 | val |= PIPECONF_PROGRESSIVE; | |
8591 | ||
702e7a56 PZ |
8592 | I915_WRITE(PIPECONF(cpu_transcoder), val); |
8593 | POSTING_READ(PIPECONF(cpu_transcoder)); | |
3eff4faa DV |
8594 | |
8595 | I915_WRITE(GAMMA_MODE(intel_crtc->pipe), GAMMA_MODE_MODE_8BIT); | |
8596 | POSTING_READ(GAMMA_MODE(intel_crtc->pipe)); | |
756f85cf | 8597 | |
3cdf122c | 8598 | if (IS_BROADWELL(dev) || INTEL_INFO(dev)->gen >= 9) { |
756f85cf PZ |
8599 | val = 0; |
8600 | ||
6e3c9717 | 8601 | switch (intel_crtc->config->pipe_bpp) { |
756f85cf PZ |
8602 | case 18: |
8603 | val |= PIPEMISC_DITHER_6_BPC; | |
8604 | break; | |
8605 | case 24: | |
8606 | val |= PIPEMISC_DITHER_8_BPC; | |
8607 | break; | |
8608 | case 30: | |
8609 | val |= PIPEMISC_DITHER_10_BPC; | |
8610 | break; | |
8611 | case 36: | |
8612 | val |= PIPEMISC_DITHER_12_BPC; | |
8613 | break; | |
8614 | default: | |
8615 | /* Case prevented by pipe_config_set_bpp. */ | |
8616 | BUG(); | |
8617 | } | |
8618 | ||
6e3c9717 | 8619 | if (intel_crtc->config->dither) |
756f85cf PZ |
8620 | val |= PIPEMISC_DITHER_ENABLE | PIPEMISC_DITHER_TYPE_SP; |
8621 | ||
8622 | I915_WRITE(PIPEMISC(pipe), val); | |
8623 | } | |
ee2b0b38 PZ |
8624 | } |
8625 | ||
6591c6e4 | 8626 | static bool ironlake_compute_clocks(struct drm_crtc *crtc, |
190f68c5 | 8627 | struct intel_crtc_state *crtc_state, |
6591c6e4 PZ |
8628 | intel_clock_t *clock, |
8629 | bool *has_reduced_clock, | |
8630 | intel_clock_t *reduced_clock) | |
8631 | { | |
8632 | struct drm_device *dev = crtc->dev; | |
8633 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6591c6e4 | 8634 | int refclk; |
d4906093 | 8635 | const intel_limit_t *limit; |
c329a4ec | 8636 | bool ret; |
79e53945 | 8637 | |
55bb9992 | 8638 | refclk = ironlake_get_refclk(crtc_state); |
79e53945 | 8639 | |
d4906093 ML |
8640 | /* |
8641 | * Returns a set of divisors for the desired target clock with the given | |
8642 | * refclk, or FALSE. The returned values represent the clock equation: | |
8643 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. | |
8644 | */ | |
a93e255f ACO |
8645 | limit = intel_limit(crtc_state, refclk); |
8646 | ret = dev_priv->display.find_dpll(limit, crtc_state, | |
190f68c5 | 8647 | crtc_state->port_clock, |
ee9300bb | 8648 | refclk, NULL, clock); |
6591c6e4 PZ |
8649 | if (!ret) |
8650 | return false; | |
cda4b7d3 | 8651 | |
6591c6e4 PZ |
8652 | return true; |
8653 | } | |
8654 | ||
d4b1931c PZ |
8655 | int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp) |
8656 | { | |
8657 | /* | |
8658 | * Account for spread spectrum to avoid | |
8659 | * oversubscribing the link. Max center spread | |
8660 | * is 2.5%; use 5% for safety's sake. | |
8661 | */ | |
8662 | u32 bps = target_clock * bpp * 21 / 20; | |
619d4d04 | 8663 | return DIV_ROUND_UP(bps, link_bw * 8); |
d4b1931c PZ |
8664 | } |
8665 | ||
7429e9d4 | 8666 | static bool ironlake_needs_fb_cb_tune(struct dpll *dpll, int factor) |
6cf86a5e | 8667 | { |
7429e9d4 | 8668 | return i9xx_dpll_compute_m(dpll) < factor * dpll->n; |
f48d8f23 PZ |
8669 | } |
8670 | ||
de13a2e3 | 8671 | static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, |
190f68c5 | 8672 | struct intel_crtc_state *crtc_state, |
7429e9d4 | 8673 | u32 *fp, |
9a7c7890 | 8674 | intel_clock_t *reduced_clock, u32 *fp2) |
79e53945 | 8675 | { |
de13a2e3 | 8676 | struct drm_crtc *crtc = &intel_crtc->base; |
79e53945 JB |
8677 | struct drm_device *dev = crtc->dev; |
8678 | struct drm_i915_private *dev_priv = dev->dev_private; | |
55bb9992 | 8679 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 8680 | struct drm_connector *connector; |
55bb9992 ACO |
8681 | struct drm_connector_state *connector_state; |
8682 | struct intel_encoder *encoder; | |
de13a2e3 | 8683 | uint32_t dpll; |
55bb9992 | 8684 | int factor, num_connectors = 0, i; |
09ede541 | 8685 | bool is_lvds = false, is_sdvo = false; |
79e53945 | 8686 | |
da3ced29 | 8687 | for_each_connector_in_state(state, connector, connector_state, i) { |
55bb9992 ACO |
8688 | if (connector_state->crtc != crtc_state->base.crtc) |
8689 | continue; | |
8690 | ||
8691 | encoder = to_intel_encoder(connector_state->best_encoder); | |
8692 | ||
8693 | switch (encoder->type) { | |
79e53945 JB |
8694 | case INTEL_OUTPUT_LVDS: |
8695 | is_lvds = true; | |
8696 | break; | |
8697 | case INTEL_OUTPUT_SDVO: | |
7d57382e | 8698 | case INTEL_OUTPUT_HDMI: |
79e53945 | 8699 | is_sdvo = true; |
79e53945 | 8700 | break; |
6847d71b PZ |
8701 | default: |
8702 | break; | |
79e53945 | 8703 | } |
43565a06 | 8704 | |
c751ce4f | 8705 | num_connectors++; |
79e53945 | 8706 | } |
79e53945 | 8707 | |
c1858123 | 8708 | /* Enable autotuning of the PLL clock (if permissible) */ |
8febb297 EA |
8709 | factor = 21; |
8710 | if (is_lvds) { | |
8711 | if ((intel_panel_use_ssc(dev_priv) && | |
e91e941b | 8712 | dev_priv->vbt.lvds_ssc_freq == 100000) || |
f0b44056 | 8713 | (HAS_PCH_IBX(dev) && intel_is_dual_link_lvds(dev))) |
8febb297 | 8714 | factor = 25; |
190f68c5 | 8715 | } else if (crtc_state->sdvo_tv_clock) |
8febb297 | 8716 | factor = 20; |
c1858123 | 8717 | |
190f68c5 | 8718 | if (ironlake_needs_fb_cb_tune(&crtc_state->dpll, factor)) |
7d0ac5b7 | 8719 | *fp |= FP_CB_TUNE; |
2c07245f | 8720 | |
9a7c7890 DV |
8721 | if (fp2 && (reduced_clock->m < factor * reduced_clock->n)) |
8722 | *fp2 |= FP_CB_TUNE; | |
8723 | ||
5eddb70b | 8724 | dpll = 0; |
2c07245f | 8725 | |
a07d6787 EA |
8726 | if (is_lvds) |
8727 | dpll |= DPLLB_MODE_LVDS; | |
8728 | else | |
8729 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
198a037f | 8730 | |
190f68c5 | 8731 | dpll |= (crtc_state->pixel_multiplier - 1) |
ef1b460d | 8732 | << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT; |
198a037f DV |
8733 | |
8734 | if (is_sdvo) | |
4a33e48d | 8735 | dpll |= DPLL_SDVO_HIGH_SPEED; |
190f68c5 | 8736 | if (crtc_state->has_dp_encoder) |
4a33e48d | 8737 | dpll |= DPLL_SDVO_HIGH_SPEED; |
79e53945 | 8738 | |
a07d6787 | 8739 | /* compute bitmask from p1 value */ |
190f68c5 | 8740 | dpll |= (1 << (crtc_state->dpll.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
a07d6787 | 8741 | /* also FPA1 */ |
190f68c5 | 8742 | dpll |= (1 << (crtc_state->dpll.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; |
a07d6787 | 8743 | |
190f68c5 | 8744 | switch (crtc_state->dpll.p2) { |
a07d6787 EA |
8745 | case 5: |
8746 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
8747 | break; | |
8748 | case 7: | |
8749 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
8750 | break; | |
8751 | case 10: | |
8752 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
8753 | break; | |
8754 | case 14: | |
8755 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
8756 | break; | |
79e53945 JB |
8757 | } |
8758 | ||
b4c09f3b | 8759 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
43565a06 | 8760 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
79e53945 JB |
8761 | else |
8762 | dpll |= PLL_REF_INPUT_DREFCLK; | |
8763 | ||
959e16d6 | 8764 | return dpll | DPLL_VCO_ENABLE; |
de13a2e3 PZ |
8765 | } |
8766 | ||
190f68c5 ACO |
8767 | static int ironlake_crtc_compute_clock(struct intel_crtc *crtc, |
8768 | struct intel_crtc_state *crtc_state) | |
de13a2e3 | 8769 | { |
c7653199 | 8770 | struct drm_device *dev = crtc->base.dev; |
de13a2e3 | 8771 | intel_clock_t clock, reduced_clock; |
cbbab5bd | 8772 | u32 dpll = 0, fp = 0, fp2 = 0; |
e2f12b07 | 8773 | bool ok, has_reduced_clock = false; |
8b47047b | 8774 | bool is_lvds = false; |
e2b78267 | 8775 | struct intel_shared_dpll *pll; |
de13a2e3 | 8776 | |
dd3cd74a ACO |
8777 | memset(&crtc_state->dpll_hw_state, 0, |
8778 | sizeof(crtc_state->dpll_hw_state)); | |
8779 | ||
409ee761 | 8780 | is_lvds = intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS); |
79e53945 | 8781 | |
5dc5298b PZ |
8782 | WARN(!(HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)), |
8783 | "Unexpected PCH type %d\n", INTEL_PCH_TYPE(dev)); | |
a07d6787 | 8784 | |
190f68c5 | 8785 | ok = ironlake_compute_clocks(&crtc->base, crtc_state, &clock, |
de13a2e3 | 8786 | &has_reduced_clock, &reduced_clock); |
190f68c5 | 8787 | if (!ok && !crtc_state->clock_set) { |
de13a2e3 PZ |
8788 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
8789 | return -EINVAL; | |
79e53945 | 8790 | } |
f47709a9 | 8791 | /* Compat-code for transition, will disappear. */ |
190f68c5 ACO |
8792 | if (!crtc_state->clock_set) { |
8793 | crtc_state->dpll.n = clock.n; | |
8794 | crtc_state->dpll.m1 = clock.m1; | |
8795 | crtc_state->dpll.m2 = clock.m2; | |
8796 | crtc_state->dpll.p1 = clock.p1; | |
8797 | crtc_state->dpll.p2 = clock.p2; | |
f47709a9 | 8798 | } |
79e53945 | 8799 | |
5dc5298b | 8800 | /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */ |
190f68c5 ACO |
8801 | if (crtc_state->has_pch_encoder) { |
8802 | fp = i9xx_dpll_compute_fp(&crtc_state->dpll); | |
cbbab5bd | 8803 | if (has_reduced_clock) |
7429e9d4 | 8804 | fp2 = i9xx_dpll_compute_fp(&reduced_clock); |
cbbab5bd | 8805 | |
190f68c5 | 8806 | dpll = ironlake_compute_dpll(crtc, crtc_state, |
cbbab5bd DV |
8807 | &fp, &reduced_clock, |
8808 | has_reduced_clock ? &fp2 : NULL); | |
8809 | ||
190f68c5 ACO |
8810 | crtc_state->dpll_hw_state.dpll = dpll; |
8811 | crtc_state->dpll_hw_state.fp0 = fp; | |
66e985c0 | 8812 | if (has_reduced_clock) |
190f68c5 | 8813 | crtc_state->dpll_hw_state.fp1 = fp2; |
66e985c0 | 8814 | else |
190f68c5 | 8815 | crtc_state->dpll_hw_state.fp1 = fp; |
66e985c0 | 8816 | |
190f68c5 | 8817 | pll = intel_get_shared_dpll(crtc, crtc_state); |
ee7b9f93 | 8818 | if (pll == NULL) { |
84f44ce7 | 8819 | DRM_DEBUG_DRIVER("failed to find PLL for pipe %c\n", |
c7653199 | 8820 | pipe_name(crtc->pipe)); |
4b645f14 JB |
8821 | return -EINVAL; |
8822 | } | |
3fb37703 | 8823 | } |
79e53945 | 8824 | |
ab585dea | 8825 | if (is_lvds && has_reduced_clock) |
c7653199 | 8826 | crtc->lowfreq_avail = true; |
bcd644e0 | 8827 | else |
c7653199 | 8828 | crtc->lowfreq_avail = false; |
e2b78267 | 8829 | |
c8f7a0db | 8830 | return 0; |
79e53945 JB |
8831 | } |
8832 | ||
eb14cb74 VS |
8833 | static void intel_pch_transcoder_get_m_n(struct intel_crtc *crtc, |
8834 | struct intel_link_m_n *m_n) | |
8835 | { | |
8836 | struct drm_device *dev = crtc->base.dev; | |
8837 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8838 | enum pipe pipe = crtc->pipe; | |
8839 | ||
8840 | m_n->link_m = I915_READ(PCH_TRANS_LINK_M1(pipe)); | |
8841 | m_n->link_n = I915_READ(PCH_TRANS_LINK_N1(pipe)); | |
8842 | m_n->gmch_m = I915_READ(PCH_TRANS_DATA_M1(pipe)) | |
8843 | & ~TU_SIZE_MASK; | |
8844 | m_n->gmch_n = I915_READ(PCH_TRANS_DATA_N1(pipe)); | |
8845 | m_n->tu = ((I915_READ(PCH_TRANS_DATA_M1(pipe)) | |
8846 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
8847 | } | |
8848 | ||
8849 | static void intel_cpu_transcoder_get_m_n(struct intel_crtc *crtc, | |
8850 | enum transcoder transcoder, | |
b95af8be VK |
8851 | struct intel_link_m_n *m_n, |
8852 | struct intel_link_m_n *m2_n2) | |
72419203 DV |
8853 | { |
8854 | struct drm_device *dev = crtc->base.dev; | |
8855 | struct drm_i915_private *dev_priv = dev->dev_private; | |
eb14cb74 | 8856 | enum pipe pipe = crtc->pipe; |
72419203 | 8857 | |
eb14cb74 VS |
8858 | if (INTEL_INFO(dev)->gen >= 5) { |
8859 | m_n->link_m = I915_READ(PIPE_LINK_M1(transcoder)); | |
8860 | m_n->link_n = I915_READ(PIPE_LINK_N1(transcoder)); | |
8861 | m_n->gmch_m = I915_READ(PIPE_DATA_M1(transcoder)) | |
8862 | & ~TU_SIZE_MASK; | |
8863 | m_n->gmch_n = I915_READ(PIPE_DATA_N1(transcoder)); | |
8864 | m_n->tu = ((I915_READ(PIPE_DATA_M1(transcoder)) | |
8865 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
b95af8be VK |
8866 | /* Read M2_N2 registers only for gen < 8 (M2_N2 available for |
8867 | * gen < 8) and if DRRS is supported (to make sure the | |
8868 | * registers are not unnecessarily read). | |
8869 | */ | |
8870 | if (m2_n2 && INTEL_INFO(dev)->gen < 8 && | |
6e3c9717 | 8871 | crtc->config->has_drrs) { |
b95af8be VK |
8872 | m2_n2->link_m = I915_READ(PIPE_LINK_M2(transcoder)); |
8873 | m2_n2->link_n = I915_READ(PIPE_LINK_N2(transcoder)); | |
8874 | m2_n2->gmch_m = I915_READ(PIPE_DATA_M2(transcoder)) | |
8875 | & ~TU_SIZE_MASK; | |
8876 | m2_n2->gmch_n = I915_READ(PIPE_DATA_N2(transcoder)); | |
8877 | m2_n2->tu = ((I915_READ(PIPE_DATA_M2(transcoder)) | |
8878 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
8879 | } | |
eb14cb74 VS |
8880 | } else { |
8881 | m_n->link_m = I915_READ(PIPE_LINK_M_G4X(pipe)); | |
8882 | m_n->link_n = I915_READ(PIPE_LINK_N_G4X(pipe)); | |
8883 | m_n->gmch_m = I915_READ(PIPE_DATA_M_G4X(pipe)) | |
8884 | & ~TU_SIZE_MASK; | |
8885 | m_n->gmch_n = I915_READ(PIPE_DATA_N_G4X(pipe)); | |
8886 | m_n->tu = ((I915_READ(PIPE_DATA_M_G4X(pipe)) | |
8887 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
8888 | } | |
8889 | } | |
8890 | ||
8891 | void intel_dp_get_m_n(struct intel_crtc *crtc, | |
5cec258b | 8892 | struct intel_crtc_state *pipe_config) |
eb14cb74 | 8893 | { |
681a8504 | 8894 | if (pipe_config->has_pch_encoder) |
eb14cb74 VS |
8895 | intel_pch_transcoder_get_m_n(crtc, &pipe_config->dp_m_n); |
8896 | else | |
8897 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, | |
b95af8be VK |
8898 | &pipe_config->dp_m_n, |
8899 | &pipe_config->dp_m2_n2); | |
eb14cb74 | 8900 | } |
72419203 | 8901 | |
eb14cb74 | 8902 | static void ironlake_get_fdi_m_n_config(struct intel_crtc *crtc, |
5cec258b | 8903 | struct intel_crtc_state *pipe_config) |
eb14cb74 VS |
8904 | { |
8905 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, | |
b95af8be | 8906 | &pipe_config->fdi_m_n, NULL); |
72419203 DV |
8907 | } |
8908 | ||
bd2e244f | 8909 | static void skylake_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 8910 | struct intel_crtc_state *pipe_config) |
bd2e244f JB |
8911 | { |
8912 | struct drm_device *dev = crtc->base.dev; | |
8913 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a1b2278e CK |
8914 | struct intel_crtc_scaler_state *scaler_state = &pipe_config->scaler_state; |
8915 | uint32_t ps_ctrl = 0; | |
8916 | int id = -1; | |
8917 | int i; | |
bd2e244f | 8918 | |
a1b2278e CK |
8919 | /* find scaler attached to this pipe */ |
8920 | for (i = 0; i < crtc->num_scalers; i++) { | |
8921 | ps_ctrl = I915_READ(SKL_PS_CTRL(crtc->pipe, i)); | |
8922 | if (ps_ctrl & PS_SCALER_EN && !(ps_ctrl & PS_PLANE_SEL_MASK)) { | |
8923 | id = i; | |
8924 | pipe_config->pch_pfit.enabled = true; | |
8925 | pipe_config->pch_pfit.pos = I915_READ(SKL_PS_WIN_POS(crtc->pipe, i)); | |
8926 | pipe_config->pch_pfit.size = I915_READ(SKL_PS_WIN_SZ(crtc->pipe, i)); | |
8927 | break; | |
8928 | } | |
8929 | } | |
bd2e244f | 8930 | |
a1b2278e CK |
8931 | scaler_state->scaler_id = id; |
8932 | if (id >= 0) { | |
8933 | scaler_state->scaler_users |= (1 << SKL_CRTC_INDEX); | |
8934 | } else { | |
8935 | scaler_state->scaler_users &= ~(1 << SKL_CRTC_INDEX); | |
bd2e244f JB |
8936 | } |
8937 | } | |
8938 | ||
5724dbd1 DL |
8939 | static void |
8940 | skylake_get_initial_plane_config(struct intel_crtc *crtc, | |
8941 | struct intel_initial_plane_config *plane_config) | |
bc8d7dff DL |
8942 | { |
8943 | struct drm_device *dev = crtc->base.dev; | |
8944 | struct drm_i915_private *dev_priv = dev->dev_private; | |
40f46283 | 8945 | u32 val, base, offset, stride_mult, tiling; |
bc8d7dff DL |
8946 | int pipe = crtc->pipe; |
8947 | int fourcc, pixel_format; | |
6761dd31 | 8948 | unsigned int aligned_height; |
bc8d7dff | 8949 | struct drm_framebuffer *fb; |
1b842c89 | 8950 | struct intel_framebuffer *intel_fb; |
bc8d7dff | 8951 | |
d9806c9f | 8952 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 8953 | if (!intel_fb) { |
bc8d7dff DL |
8954 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
8955 | return; | |
8956 | } | |
8957 | ||
1b842c89 DL |
8958 | fb = &intel_fb->base; |
8959 | ||
bc8d7dff | 8960 | val = I915_READ(PLANE_CTL(pipe, 0)); |
42a7b088 DL |
8961 | if (!(val & PLANE_CTL_ENABLE)) |
8962 | goto error; | |
8963 | ||
bc8d7dff DL |
8964 | pixel_format = val & PLANE_CTL_FORMAT_MASK; |
8965 | fourcc = skl_format_to_fourcc(pixel_format, | |
8966 | val & PLANE_CTL_ORDER_RGBX, | |
8967 | val & PLANE_CTL_ALPHA_MASK); | |
8968 | fb->pixel_format = fourcc; | |
8969 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
8970 | ||
40f46283 DL |
8971 | tiling = val & PLANE_CTL_TILED_MASK; |
8972 | switch (tiling) { | |
8973 | case PLANE_CTL_TILED_LINEAR: | |
8974 | fb->modifier[0] = DRM_FORMAT_MOD_NONE; | |
8975 | break; | |
8976 | case PLANE_CTL_TILED_X: | |
8977 | plane_config->tiling = I915_TILING_X; | |
8978 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; | |
8979 | break; | |
8980 | case PLANE_CTL_TILED_Y: | |
8981 | fb->modifier[0] = I915_FORMAT_MOD_Y_TILED; | |
8982 | break; | |
8983 | case PLANE_CTL_TILED_YF: | |
8984 | fb->modifier[0] = I915_FORMAT_MOD_Yf_TILED; | |
8985 | break; | |
8986 | default: | |
8987 | MISSING_CASE(tiling); | |
8988 | goto error; | |
8989 | } | |
8990 | ||
bc8d7dff DL |
8991 | base = I915_READ(PLANE_SURF(pipe, 0)) & 0xfffff000; |
8992 | plane_config->base = base; | |
8993 | ||
8994 | offset = I915_READ(PLANE_OFFSET(pipe, 0)); | |
8995 | ||
8996 | val = I915_READ(PLANE_SIZE(pipe, 0)); | |
8997 | fb->height = ((val >> 16) & 0xfff) + 1; | |
8998 | fb->width = ((val >> 0) & 0x1fff) + 1; | |
8999 | ||
9000 | val = I915_READ(PLANE_STRIDE(pipe, 0)); | |
40f46283 DL |
9001 | stride_mult = intel_fb_stride_alignment(dev, fb->modifier[0], |
9002 | fb->pixel_format); | |
bc8d7dff DL |
9003 | fb->pitches[0] = (val & 0x3ff) * stride_mult; |
9004 | ||
9005 | aligned_height = intel_fb_align_height(dev, fb->height, | |
091df6cb DV |
9006 | fb->pixel_format, |
9007 | fb->modifier[0]); | |
bc8d7dff | 9008 | |
f37b5c2b | 9009 | plane_config->size = fb->pitches[0] * aligned_height; |
bc8d7dff DL |
9010 | |
9011 | DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", | |
9012 | pipe_name(pipe), fb->width, fb->height, | |
9013 | fb->bits_per_pixel, base, fb->pitches[0], | |
9014 | plane_config->size); | |
9015 | ||
2d14030b | 9016 | plane_config->fb = intel_fb; |
bc8d7dff DL |
9017 | return; |
9018 | ||
9019 | error: | |
9020 | kfree(fb); | |
9021 | } | |
9022 | ||
2fa2fe9a | 9023 | static void ironlake_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 9024 | struct intel_crtc_state *pipe_config) |
2fa2fe9a DV |
9025 | { |
9026 | struct drm_device *dev = crtc->base.dev; | |
9027 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9028 | uint32_t tmp; | |
9029 | ||
9030 | tmp = I915_READ(PF_CTL(crtc->pipe)); | |
9031 | ||
9032 | if (tmp & PF_ENABLE) { | |
fd4daa9c | 9033 | pipe_config->pch_pfit.enabled = true; |
2fa2fe9a DV |
9034 | pipe_config->pch_pfit.pos = I915_READ(PF_WIN_POS(crtc->pipe)); |
9035 | pipe_config->pch_pfit.size = I915_READ(PF_WIN_SZ(crtc->pipe)); | |
cb8b2a30 DV |
9036 | |
9037 | /* We currently do not free assignements of panel fitters on | |
9038 | * ivb/hsw (since we don't use the higher upscaling modes which | |
9039 | * differentiates them) so just WARN about this case for now. */ | |
9040 | if (IS_GEN7(dev)) { | |
9041 | WARN_ON((tmp & PF_PIPE_SEL_MASK_IVB) != | |
9042 | PF_PIPE_SEL_IVB(crtc->pipe)); | |
9043 | } | |
2fa2fe9a | 9044 | } |
79e53945 JB |
9045 | } |
9046 | ||
5724dbd1 DL |
9047 | static void |
9048 | ironlake_get_initial_plane_config(struct intel_crtc *crtc, | |
9049 | struct intel_initial_plane_config *plane_config) | |
4c6baa59 JB |
9050 | { |
9051 | struct drm_device *dev = crtc->base.dev; | |
9052 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9053 | u32 val, base, offset; | |
aeee5a49 | 9054 | int pipe = crtc->pipe; |
4c6baa59 | 9055 | int fourcc, pixel_format; |
6761dd31 | 9056 | unsigned int aligned_height; |
b113d5ee | 9057 | struct drm_framebuffer *fb; |
1b842c89 | 9058 | struct intel_framebuffer *intel_fb; |
4c6baa59 | 9059 | |
42a7b088 DL |
9060 | val = I915_READ(DSPCNTR(pipe)); |
9061 | if (!(val & DISPLAY_PLANE_ENABLE)) | |
9062 | return; | |
9063 | ||
d9806c9f | 9064 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 9065 | if (!intel_fb) { |
4c6baa59 JB |
9066 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
9067 | return; | |
9068 | } | |
9069 | ||
1b842c89 DL |
9070 | fb = &intel_fb->base; |
9071 | ||
18c5247e DV |
9072 | if (INTEL_INFO(dev)->gen >= 4) { |
9073 | if (val & DISPPLANE_TILED) { | |
49af449b | 9074 | plane_config->tiling = I915_TILING_X; |
18c5247e DV |
9075 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; |
9076 | } | |
9077 | } | |
4c6baa59 JB |
9078 | |
9079 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; | |
b35d63fa | 9080 | fourcc = i9xx_format_to_fourcc(pixel_format); |
b113d5ee DL |
9081 | fb->pixel_format = fourcc; |
9082 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
4c6baa59 | 9083 | |
aeee5a49 | 9084 | base = I915_READ(DSPSURF(pipe)) & 0xfffff000; |
4c6baa59 | 9085 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
aeee5a49 | 9086 | offset = I915_READ(DSPOFFSET(pipe)); |
4c6baa59 | 9087 | } else { |
49af449b | 9088 | if (plane_config->tiling) |
aeee5a49 | 9089 | offset = I915_READ(DSPTILEOFF(pipe)); |
4c6baa59 | 9090 | else |
aeee5a49 | 9091 | offset = I915_READ(DSPLINOFF(pipe)); |
4c6baa59 JB |
9092 | } |
9093 | plane_config->base = base; | |
9094 | ||
9095 | val = I915_READ(PIPESRC(pipe)); | |
b113d5ee DL |
9096 | fb->width = ((val >> 16) & 0xfff) + 1; |
9097 | fb->height = ((val >> 0) & 0xfff) + 1; | |
4c6baa59 JB |
9098 | |
9099 | val = I915_READ(DSPSTRIDE(pipe)); | |
b113d5ee | 9100 | fb->pitches[0] = val & 0xffffffc0; |
4c6baa59 | 9101 | |
b113d5ee | 9102 | aligned_height = intel_fb_align_height(dev, fb->height, |
091df6cb DV |
9103 | fb->pixel_format, |
9104 | fb->modifier[0]); | |
4c6baa59 | 9105 | |
f37b5c2b | 9106 | plane_config->size = fb->pitches[0] * aligned_height; |
4c6baa59 | 9107 | |
2844a921 DL |
9108 | DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
9109 | pipe_name(pipe), fb->width, fb->height, | |
9110 | fb->bits_per_pixel, base, fb->pitches[0], | |
9111 | plane_config->size); | |
b113d5ee | 9112 | |
2d14030b | 9113 | plane_config->fb = intel_fb; |
4c6baa59 JB |
9114 | } |
9115 | ||
0e8ffe1b | 9116 | static bool ironlake_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 9117 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
9118 | { |
9119 | struct drm_device *dev = crtc->base.dev; | |
9120 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9121 | uint32_t tmp; | |
9122 | ||
f458ebbc DV |
9123 | if (!intel_display_power_is_enabled(dev_priv, |
9124 | POWER_DOMAIN_PIPE(crtc->pipe))) | |
930e8c9e PZ |
9125 | return false; |
9126 | ||
e143a21c | 9127 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
c0d43d62 | 9128 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
eccb140b | 9129 | |
0e8ffe1b DV |
9130 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
9131 | if (!(tmp & PIPECONF_ENABLE)) | |
9132 | return false; | |
9133 | ||
42571aef VS |
9134 | switch (tmp & PIPECONF_BPC_MASK) { |
9135 | case PIPECONF_6BPC: | |
9136 | pipe_config->pipe_bpp = 18; | |
9137 | break; | |
9138 | case PIPECONF_8BPC: | |
9139 | pipe_config->pipe_bpp = 24; | |
9140 | break; | |
9141 | case PIPECONF_10BPC: | |
9142 | pipe_config->pipe_bpp = 30; | |
9143 | break; | |
9144 | case PIPECONF_12BPC: | |
9145 | pipe_config->pipe_bpp = 36; | |
9146 | break; | |
9147 | default: | |
9148 | break; | |
9149 | } | |
9150 | ||
b5a9fa09 DV |
9151 | if (tmp & PIPECONF_COLOR_RANGE_SELECT) |
9152 | pipe_config->limited_color_range = true; | |
9153 | ||
ab9412ba | 9154 | if (I915_READ(PCH_TRANSCONF(crtc->pipe)) & TRANS_ENABLE) { |
66e985c0 DV |
9155 | struct intel_shared_dpll *pll; |
9156 | ||
88adfff1 DV |
9157 | pipe_config->has_pch_encoder = true; |
9158 | ||
627eb5a3 DV |
9159 | tmp = I915_READ(FDI_RX_CTL(crtc->pipe)); |
9160 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
9161 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
72419203 DV |
9162 | |
9163 | ironlake_get_fdi_m_n_config(crtc, pipe_config); | |
6c49f241 | 9164 | |
c0d43d62 | 9165 | if (HAS_PCH_IBX(dev_priv->dev)) { |
d94ab068 DV |
9166 | pipe_config->shared_dpll = |
9167 | (enum intel_dpll_id) crtc->pipe; | |
c0d43d62 DV |
9168 | } else { |
9169 | tmp = I915_READ(PCH_DPLL_SEL); | |
9170 | if (tmp & TRANS_DPLLB_SEL(crtc->pipe)) | |
9171 | pipe_config->shared_dpll = DPLL_ID_PCH_PLL_B; | |
9172 | else | |
9173 | pipe_config->shared_dpll = DPLL_ID_PCH_PLL_A; | |
9174 | } | |
66e985c0 DV |
9175 | |
9176 | pll = &dev_priv->shared_dplls[pipe_config->shared_dpll]; | |
9177 | ||
9178 | WARN_ON(!pll->get_hw_state(dev_priv, pll, | |
9179 | &pipe_config->dpll_hw_state)); | |
c93f54cf DV |
9180 | |
9181 | tmp = pipe_config->dpll_hw_state.dpll; | |
9182 | pipe_config->pixel_multiplier = | |
9183 | ((tmp & PLL_REF_SDVO_HDMI_MULTIPLIER_MASK) | |
9184 | >> PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT) + 1; | |
18442d08 VS |
9185 | |
9186 | ironlake_pch_clock_get(crtc, pipe_config); | |
6c49f241 DV |
9187 | } else { |
9188 | pipe_config->pixel_multiplier = 1; | |
627eb5a3 DV |
9189 | } |
9190 | ||
1bd1bd80 DV |
9191 | intel_get_pipe_timings(crtc, pipe_config); |
9192 | ||
2fa2fe9a DV |
9193 | ironlake_get_pfit_config(crtc, pipe_config); |
9194 | ||
0e8ffe1b DV |
9195 | return true; |
9196 | } | |
9197 | ||
be256dc7 PZ |
9198 | static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv) |
9199 | { | |
9200 | struct drm_device *dev = dev_priv->dev; | |
be256dc7 | 9201 | struct intel_crtc *crtc; |
be256dc7 | 9202 | |
d3fcc808 | 9203 | for_each_intel_crtc(dev, crtc) |
e2c719b7 | 9204 | I915_STATE_WARN(crtc->active, "CRTC for pipe %c enabled\n", |
be256dc7 PZ |
9205 | pipe_name(crtc->pipe)); |
9206 | ||
e2c719b7 RC |
9207 | I915_STATE_WARN(I915_READ(HSW_PWR_WELL_DRIVER), "Power well on\n"); |
9208 | I915_STATE_WARN(I915_READ(SPLL_CTL) & SPLL_PLL_ENABLE, "SPLL enabled\n"); | |
9209 | I915_STATE_WARN(I915_READ(WRPLL_CTL1) & WRPLL_PLL_ENABLE, "WRPLL1 enabled\n"); | |
9210 | I915_STATE_WARN(I915_READ(WRPLL_CTL2) & WRPLL_PLL_ENABLE, "WRPLL2 enabled\n"); | |
9211 | I915_STATE_WARN(I915_READ(PCH_PP_STATUS) & PP_ON, "Panel power on\n"); | |
9212 | I915_STATE_WARN(I915_READ(BLC_PWM_CPU_CTL2) & BLM_PWM_ENABLE, | |
be256dc7 | 9213 | "CPU PWM1 enabled\n"); |
c5107b87 | 9214 | if (IS_HASWELL(dev)) |
e2c719b7 | 9215 | I915_STATE_WARN(I915_READ(HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE, |
c5107b87 | 9216 | "CPU PWM2 enabled\n"); |
e2c719b7 | 9217 | I915_STATE_WARN(I915_READ(BLC_PWM_PCH_CTL1) & BLM_PCH_PWM_ENABLE, |
be256dc7 | 9218 | "PCH PWM1 enabled\n"); |
e2c719b7 | 9219 | I915_STATE_WARN(I915_READ(UTIL_PIN_CTL) & UTIL_PIN_ENABLE, |
be256dc7 | 9220 | "Utility pin enabled\n"); |
e2c719b7 | 9221 | I915_STATE_WARN(I915_READ(PCH_GTC_CTL) & PCH_GTC_ENABLE, "PCH GTC enabled\n"); |
be256dc7 | 9222 | |
9926ada1 PZ |
9223 | /* |
9224 | * In theory we can still leave IRQs enabled, as long as only the HPD | |
9225 | * interrupts remain enabled. We used to check for that, but since it's | |
9226 | * gen-specific and since we only disable LCPLL after we fully disable | |
9227 | * the interrupts, the check below should be enough. | |
9228 | */ | |
e2c719b7 | 9229 | I915_STATE_WARN(intel_irqs_enabled(dev_priv), "IRQs enabled\n"); |
be256dc7 PZ |
9230 | } |
9231 | ||
9ccd5aeb PZ |
9232 | static uint32_t hsw_read_dcomp(struct drm_i915_private *dev_priv) |
9233 | { | |
9234 | struct drm_device *dev = dev_priv->dev; | |
9235 | ||
9236 | if (IS_HASWELL(dev)) | |
9237 | return I915_READ(D_COMP_HSW); | |
9238 | else | |
9239 | return I915_READ(D_COMP_BDW); | |
9240 | } | |
9241 | ||
3c4c9b81 PZ |
9242 | static void hsw_write_dcomp(struct drm_i915_private *dev_priv, uint32_t val) |
9243 | { | |
9244 | struct drm_device *dev = dev_priv->dev; | |
9245 | ||
9246 | if (IS_HASWELL(dev)) { | |
9247 | mutex_lock(&dev_priv->rps.hw_lock); | |
9248 | if (sandybridge_pcode_write(dev_priv, GEN6_PCODE_WRITE_D_COMP, | |
9249 | val)) | |
f475dadf | 9250 | DRM_ERROR("Failed to write to D_COMP\n"); |
3c4c9b81 PZ |
9251 | mutex_unlock(&dev_priv->rps.hw_lock); |
9252 | } else { | |
9ccd5aeb PZ |
9253 | I915_WRITE(D_COMP_BDW, val); |
9254 | POSTING_READ(D_COMP_BDW); | |
3c4c9b81 | 9255 | } |
be256dc7 PZ |
9256 | } |
9257 | ||
9258 | /* | |
9259 | * This function implements pieces of two sequences from BSpec: | |
9260 | * - Sequence for display software to disable LCPLL | |
9261 | * - Sequence for display software to allow package C8+ | |
9262 | * The steps implemented here are just the steps that actually touch the LCPLL | |
9263 | * register. Callers should take care of disabling all the display engine | |
9264 | * functions, doing the mode unset, fixing interrupts, etc. | |
9265 | */ | |
6ff58d53 PZ |
9266 | static void hsw_disable_lcpll(struct drm_i915_private *dev_priv, |
9267 | bool switch_to_fclk, bool allow_power_down) | |
be256dc7 PZ |
9268 | { |
9269 | uint32_t val; | |
9270 | ||
9271 | assert_can_disable_lcpll(dev_priv); | |
9272 | ||
9273 | val = I915_READ(LCPLL_CTL); | |
9274 | ||
9275 | if (switch_to_fclk) { | |
9276 | val |= LCPLL_CD_SOURCE_FCLK; | |
9277 | I915_WRITE(LCPLL_CTL, val); | |
9278 | ||
9279 | if (wait_for_atomic_us(I915_READ(LCPLL_CTL) & | |
9280 | LCPLL_CD_SOURCE_FCLK_DONE, 1)) | |
9281 | DRM_ERROR("Switching to FCLK failed\n"); | |
9282 | ||
9283 | val = I915_READ(LCPLL_CTL); | |
9284 | } | |
9285 | ||
9286 | val |= LCPLL_PLL_DISABLE; | |
9287 | I915_WRITE(LCPLL_CTL, val); | |
9288 | POSTING_READ(LCPLL_CTL); | |
9289 | ||
9290 | if (wait_for((I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK) == 0, 1)) | |
9291 | DRM_ERROR("LCPLL still locked\n"); | |
9292 | ||
9ccd5aeb | 9293 | val = hsw_read_dcomp(dev_priv); |
be256dc7 | 9294 | val |= D_COMP_COMP_DISABLE; |
3c4c9b81 | 9295 | hsw_write_dcomp(dev_priv, val); |
be256dc7 PZ |
9296 | ndelay(100); |
9297 | ||
9ccd5aeb PZ |
9298 | if (wait_for((hsw_read_dcomp(dev_priv) & D_COMP_RCOMP_IN_PROGRESS) == 0, |
9299 | 1)) | |
be256dc7 PZ |
9300 | DRM_ERROR("D_COMP RCOMP still in progress\n"); |
9301 | ||
9302 | if (allow_power_down) { | |
9303 | val = I915_READ(LCPLL_CTL); | |
9304 | val |= LCPLL_POWER_DOWN_ALLOW; | |
9305 | I915_WRITE(LCPLL_CTL, val); | |
9306 | POSTING_READ(LCPLL_CTL); | |
9307 | } | |
9308 | } | |
9309 | ||
9310 | /* | |
9311 | * Fully restores LCPLL, disallowing power down and switching back to LCPLL | |
9312 | * source. | |
9313 | */ | |
6ff58d53 | 9314 | static void hsw_restore_lcpll(struct drm_i915_private *dev_priv) |
be256dc7 PZ |
9315 | { |
9316 | uint32_t val; | |
9317 | ||
9318 | val = I915_READ(LCPLL_CTL); | |
9319 | ||
9320 | if ((val & (LCPLL_PLL_LOCK | LCPLL_PLL_DISABLE | LCPLL_CD_SOURCE_FCLK | | |
9321 | LCPLL_POWER_DOWN_ALLOW)) == LCPLL_PLL_LOCK) | |
9322 | return; | |
9323 | ||
a8a8bd54 PZ |
9324 | /* |
9325 | * Make sure we're not on PC8 state before disabling PC8, otherwise | |
9326 | * we'll hang the machine. To prevent PC8 state, just enable force_wake. | |
a8a8bd54 | 9327 | */ |
59bad947 | 9328 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); |
215733fa | 9329 | |
be256dc7 PZ |
9330 | if (val & LCPLL_POWER_DOWN_ALLOW) { |
9331 | val &= ~LCPLL_POWER_DOWN_ALLOW; | |
9332 | I915_WRITE(LCPLL_CTL, val); | |
35d8f2eb | 9333 | POSTING_READ(LCPLL_CTL); |
be256dc7 PZ |
9334 | } |
9335 | ||
9ccd5aeb | 9336 | val = hsw_read_dcomp(dev_priv); |
be256dc7 PZ |
9337 | val |= D_COMP_COMP_FORCE; |
9338 | val &= ~D_COMP_COMP_DISABLE; | |
3c4c9b81 | 9339 | hsw_write_dcomp(dev_priv, val); |
be256dc7 PZ |
9340 | |
9341 | val = I915_READ(LCPLL_CTL); | |
9342 | val &= ~LCPLL_PLL_DISABLE; | |
9343 | I915_WRITE(LCPLL_CTL, val); | |
9344 | ||
9345 | if (wait_for(I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK, 5)) | |
9346 | DRM_ERROR("LCPLL not locked yet\n"); | |
9347 | ||
9348 | if (val & LCPLL_CD_SOURCE_FCLK) { | |
9349 | val = I915_READ(LCPLL_CTL); | |
9350 | val &= ~LCPLL_CD_SOURCE_FCLK; | |
9351 | I915_WRITE(LCPLL_CTL, val); | |
9352 | ||
9353 | if (wait_for_atomic_us((I915_READ(LCPLL_CTL) & | |
9354 | LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1)) | |
9355 | DRM_ERROR("Switching back to LCPLL failed\n"); | |
9356 | } | |
215733fa | 9357 | |
59bad947 | 9358 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); |
b6283055 | 9359 | intel_update_cdclk(dev_priv->dev); |
be256dc7 PZ |
9360 | } |
9361 | ||
765dab67 PZ |
9362 | /* |
9363 | * Package states C8 and deeper are really deep PC states that can only be | |
9364 | * reached when all the devices on the system allow it, so even if the graphics | |
9365 | * device allows PC8+, it doesn't mean the system will actually get to these | |
9366 | * states. Our driver only allows PC8+ when going into runtime PM. | |
9367 | * | |
9368 | * The requirements for PC8+ are that all the outputs are disabled, the power | |
9369 | * well is disabled and most interrupts are disabled, and these are also | |
9370 | * requirements for runtime PM. When these conditions are met, we manually do | |
9371 | * the other conditions: disable the interrupts, clocks and switch LCPLL refclk | |
9372 | * to Fclk. If we're in PC8+ and we get an non-hotplug interrupt, we can hard | |
9373 | * hang the machine. | |
9374 | * | |
9375 | * When we really reach PC8 or deeper states (not just when we allow it) we lose | |
9376 | * the state of some registers, so when we come back from PC8+ we need to | |
9377 | * restore this state. We don't get into PC8+ if we're not in RC6, so we don't | |
9378 | * need to take care of the registers kept by RC6. Notice that this happens even | |
9379 | * if we don't put the device in PCI D3 state (which is what currently happens | |
9380 | * because of the runtime PM support). | |
9381 | * | |
9382 | * For more, read "Display Sequences for Package C8" on the hardware | |
9383 | * documentation. | |
9384 | */ | |
a14cb6fc | 9385 | void hsw_enable_pc8(struct drm_i915_private *dev_priv) |
c67a470b | 9386 | { |
c67a470b PZ |
9387 | struct drm_device *dev = dev_priv->dev; |
9388 | uint32_t val; | |
9389 | ||
c67a470b PZ |
9390 | DRM_DEBUG_KMS("Enabling package C8+\n"); |
9391 | ||
c67a470b PZ |
9392 | if (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) { |
9393 | val = I915_READ(SOUTH_DSPCLK_GATE_D); | |
9394 | val &= ~PCH_LP_PARTITION_LEVEL_DISABLE; | |
9395 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); | |
9396 | } | |
9397 | ||
9398 | lpt_disable_clkout_dp(dev); | |
c67a470b PZ |
9399 | hsw_disable_lcpll(dev_priv, true, true); |
9400 | } | |
9401 | ||
a14cb6fc | 9402 | void hsw_disable_pc8(struct drm_i915_private *dev_priv) |
c67a470b PZ |
9403 | { |
9404 | struct drm_device *dev = dev_priv->dev; | |
9405 | uint32_t val; | |
9406 | ||
c67a470b PZ |
9407 | DRM_DEBUG_KMS("Disabling package C8+\n"); |
9408 | ||
9409 | hsw_restore_lcpll(dev_priv); | |
c67a470b PZ |
9410 | lpt_init_pch_refclk(dev); |
9411 | ||
9412 | if (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) { | |
9413 | val = I915_READ(SOUTH_DSPCLK_GATE_D); | |
9414 | val |= PCH_LP_PARTITION_LEVEL_DISABLE; | |
9415 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); | |
9416 | } | |
9417 | ||
9418 | intel_prepare_ddi(dev); | |
c67a470b PZ |
9419 | } |
9420 | ||
27c329ed | 9421 | static void broxton_modeset_commit_cdclk(struct drm_atomic_state *old_state) |
f8437dd1 | 9422 | { |
a821fc46 | 9423 | struct drm_device *dev = old_state->dev; |
27c329ed | 9424 | unsigned int req_cdclk = to_intel_atomic_state(old_state)->cdclk; |
f8437dd1 | 9425 | |
27c329ed | 9426 | broxton_set_cdclk(dev, req_cdclk); |
f8437dd1 VK |
9427 | } |
9428 | ||
b432e5cf | 9429 | /* compute the max rate for new configuration */ |
27c329ed | 9430 | static int ilk_max_pixel_rate(struct drm_atomic_state *state) |
b432e5cf | 9431 | { |
b432e5cf | 9432 | struct intel_crtc *intel_crtc; |
27c329ed | 9433 | struct intel_crtc_state *crtc_state; |
b432e5cf | 9434 | int max_pixel_rate = 0; |
b432e5cf | 9435 | |
27c329ed ML |
9436 | for_each_intel_crtc(state->dev, intel_crtc) { |
9437 | int pixel_rate; | |
9438 | ||
9439 | crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); | |
9440 | if (IS_ERR(crtc_state)) | |
9441 | return PTR_ERR(crtc_state); | |
9442 | ||
9443 | if (!crtc_state->base.enable) | |
b432e5cf VS |
9444 | continue; |
9445 | ||
27c329ed | 9446 | pixel_rate = ilk_pipe_pixel_rate(crtc_state); |
b432e5cf VS |
9447 | |
9448 | /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */ | |
27c329ed | 9449 | if (IS_BROADWELL(state->dev) && crtc_state->ips_enabled) |
b432e5cf VS |
9450 | pixel_rate = DIV_ROUND_UP(pixel_rate * 100, 95); |
9451 | ||
9452 | max_pixel_rate = max(max_pixel_rate, pixel_rate); | |
9453 | } | |
9454 | ||
9455 | return max_pixel_rate; | |
9456 | } | |
9457 | ||
9458 | static void broadwell_set_cdclk(struct drm_device *dev, int cdclk) | |
9459 | { | |
9460 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9461 | uint32_t val, data; | |
9462 | int ret; | |
9463 | ||
9464 | if (WARN((I915_READ(LCPLL_CTL) & | |
9465 | (LCPLL_PLL_DISABLE | LCPLL_PLL_LOCK | | |
9466 | LCPLL_CD_CLOCK_DISABLE | LCPLL_ROOT_CD_CLOCK_DISABLE | | |
9467 | LCPLL_CD2X_CLOCK_DISABLE | LCPLL_POWER_DOWN_ALLOW | | |
9468 | LCPLL_CD_SOURCE_FCLK)) != LCPLL_PLL_LOCK, | |
9469 | "trying to change cdclk frequency with cdclk not enabled\n")) | |
9470 | return; | |
9471 | ||
9472 | mutex_lock(&dev_priv->rps.hw_lock); | |
9473 | ret = sandybridge_pcode_write(dev_priv, | |
9474 | BDW_PCODE_DISPLAY_FREQ_CHANGE_REQ, 0x0); | |
9475 | mutex_unlock(&dev_priv->rps.hw_lock); | |
9476 | if (ret) { | |
9477 | DRM_ERROR("failed to inform pcode about cdclk change\n"); | |
9478 | return; | |
9479 | } | |
9480 | ||
9481 | val = I915_READ(LCPLL_CTL); | |
9482 | val |= LCPLL_CD_SOURCE_FCLK; | |
9483 | I915_WRITE(LCPLL_CTL, val); | |
9484 | ||
9485 | if (wait_for_atomic_us(I915_READ(LCPLL_CTL) & | |
9486 | LCPLL_CD_SOURCE_FCLK_DONE, 1)) | |
9487 | DRM_ERROR("Switching to FCLK failed\n"); | |
9488 | ||
9489 | val = I915_READ(LCPLL_CTL); | |
9490 | val &= ~LCPLL_CLK_FREQ_MASK; | |
9491 | ||
9492 | switch (cdclk) { | |
9493 | case 450000: | |
9494 | val |= LCPLL_CLK_FREQ_450; | |
9495 | data = 0; | |
9496 | break; | |
9497 | case 540000: | |
9498 | val |= LCPLL_CLK_FREQ_54O_BDW; | |
9499 | data = 1; | |
9500 | break; | |
9501 | case 337500: | |
9502 | val |= LCPLL_CLK_FREQ_337_5_BDW; | |
9503 | data = 2; | |
9504 | break; | |
9505 | case 675000: | |
9506 | val |= LCPLL_CLK_FREQ_675_BDW; | |
9507 | data = 3; | |
9508 | break; | |
9509 | default: | |
9510 | WARN(1, "invalid cdclk frequency\n"); | |
9511 | return; | |
9512 | } | |
9513 | ||
9514 | I915_WRITE(LCPLL_CTL, val); | |
9515 | ||
9516 | val = I915_READ(LCPLL_CTL); | |
9517 | val &= ~LCPLL_CD_SOURCE_FCLK; | |
9518 | I915_WRITE(LCPLL_CTL, val); | |
9519 | ||
9520 | if (wait_for_atomic_us((I915_READ(LCPLL_CTL) & | |
9521 | LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1)) | |
9522 | DRM_ERROR("Switching back to LCPLL failed\n"); | |
9523 | ||
9524 | mutex_lock(&dev_priv->rps.hw_lock); | |
9525 | sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ, data); | |
9526 | mutex_unlock(&dev_priv->rps.hw_lock); | |
9527 | ||
9528 | intel_update_cdclk(dev); | |
9529 | ||
9530 | WARN(cdclk != dev_priv->cdclk_freq, | |
9531 | "cdclk requested %d kHz but got %d kHz\n", | |
9532 | cdclk, dev_priv->cdclk_freq); | |
9533 | } | |
9534 | ||
27c329ed | 9535 | static int broadwell_modeset_calc_cdclk(struct drm_atomic_state *state) |
b432e5cf | 9536 | { |
27c329ed ML |
9537 | struct drm_i915_private *dev_priv = to_i915(state->dev); |
9538 | int max_pixclk = ilk_max_pixel_rate(state); | |
b432e5cf VS |
9539 | int cdclk; |
9540 | ||
9541 | /* | |
9542 | * FIXME should also account for plane ratio | |
9543 | * once 64bpp pixel formats are supported. | |
9544 | */ | |
27c329ed | 9545 | if (max_pixclk > 540000) |
b432e5cf | 9546 | cdclk = 675000; |
27c329ed | 9547 | else if (max_pixclk > 450000) |
b432e5cf | 9548 | cdclk = 540000; |
27c329ed | 9549 | else if (max_pixclk > 337500) |
b432e5cf VS |
9550 | cdclk = 450000; |
9551 | else | |
9552 | cdclk = 337500; | |
9553 | ||
9554 | /* | |
9555 | * FIXME move the cdclk caclulation to | |
9556 | * compute_config() so we can fail gracegully. | |
9557 | */ | |
9558 | if (cdclk > dev_priv->max_cdclk_freq) { | |
9559 | DRM_ERROR("requested cdclk (%d kHz) exceeds max (%d kHz)\n", | |
9560 | cdclk, dev_priv->max_cdclk_freq); | |
9561 | cdclk = dev_priv->max_cdclk_freq; | |
9562 | } | |
9563 | ||
27c329ed | 9564 | to_intel_atomic_state(state)->cdclk = cdclk; |
b432e5cf VS |
9565 | |
9566 | return 0; | |
9567 | } | |
9568 | ||
27c329ed | 9569 | static void broadwell_modeset_commit_cdclk(struct drm_atomic_state *old_state) |
b432e5cf | 9570 | { |
27c329ed ML |
9571 | struct drm_device *dev = old_state->dev; |
9572 | unsigned int req_cdclk = to_intel_atomic_state(old_state)->cdclk; | |
b432e5cf | 9573 | |
27c329ed | 9574 | broadwell_set_cdclk(dev, req_cdclk); |
b432e5cf VS |
9575 | } |
9576 | ||
190f68c5 ACO |
9577 | static int haswell_crtc_compute_clock(struct intel_crtc *crtc, |
9578 | struct intel_crtc_state *crtc_state) | |
09b4ddf9 | 9579 | { |
190f68c5 | 9580 | if (!intel_ddi_pll_select(crtc, crtc_state)) |
6441ab5f | 9581 | return -EINVAL; |
716c2e55 | 9582 | |
c7653199 | 9583 | crtc->lowfreq_avail = false; |
644cef34 | 9584 | |
c8f7a0db | 9585 | return 0; |
79e53945 JB |
9586 | } |
9587 | ||
3760b59c S |
9588 | static void bxt_get_ddi_pll(struct drm_i915_private *dev_priv, |
9589 | enum port port, | |
9590 | struct intel_crtc_state *pipe_config) | |
9591 | { | |
9592 | switch (port) { | |
9593 | case PORT_A: | |
9594 | pipe_config->ddi_pll_sel = SKL_DPLL0; | |
9595 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL1; | |
9596 | break; | |
9597 | case PORT_B: | |
9598 | pipe_config->ddi_pll_sel = SKL_DPLL1; | |
9599 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL2; | |
9600 | break; | |
9601 | case PORT_C: | |
9602 | pipe_config->ddi_pll_sel = SKL_DPLL2; | |
9603 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL3; | |
9604 | break; | |
9605 | default: | |
9606 | DRM_ERROR("Incorrect port type\n"); | |
9607 | } | |
9608 | } | |
9609 | ||
96b7dfb7 S |
9610 | static void skylake_get_ddi_pll(struct drm_i915_private *dev_priv, |
9611 | enum port port, | |
5cec258b | 9612 | struct intel_crtc_state *pipe_config) |
96b7dfb7 | 9613 | { |
3148ade7 | 9614 | u32 temp, dpll_ctl1; |
96b7dfb7 S |
9615 | |
9616 | temp = I915_READ(DPLL_CTRL2) & DPLL_CTRL2_DDI_CLK_SEL_MASK(port); | |
9617 | pipe_config->ddi_pll_sel = temp >> (port * 3 + 1); | |
9618 | ||
9619 | switch (pipe_config->ddi_pll_sel) { | |
3148ade7 DL |
9620 | case SKL_DPLL0: |
9621 | /* | |
9622 | * On SKL the eDP DPLL (DPLL0 as we don't use SSC) is not part | |
9623 | * of the shared DPLL framework and thus needs to be read out | |
9624 | * separately | |
9625 | */ | |
9626 | dpll_ctl1 = I915_READ(DPLL_CTRL1); | |
9627 | pipe_config->dpll_hw_state.ctrl1 = dpll_ctl1 & 0x3f; | |
9628 | break; | |
96b7dfb7 S |
9629 | case SKL_DPLL1: |
9630 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL1; | |
9631 | break; | |
9632 | case SKL_DPLL2: | |
9633 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL2; | |
9634 | break; | |
9635 | case SKL_DPLL3: | |
9636 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL3; | |
9637 | break; | |
96b7dfb7 S |
9638 | } |
9639 | } | |
9640 | ||
7d2c8175 DL |
9641 | static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv, |
9642 | enum port port, | |
5cec258b | 9643 | struct intel_crtc_state *pipe_config) |
7d2c8175 DL |
9644 | { |
9645 | pipe_config->ddi_pll_sel = I915_READ(PORT_CLK_SEL(port)); | |
9646 | ||
9647 | switch (pipe_config->ddi_pll_sel) { | |
9648 | case PORT_CLK_SEL_WRPLL1: | |
9649 | pipe_config->shared_dpll = DPLL_ID_WRPLL1; | |
9650 | break; | |
9651 | case PORT_CLK_SEL_WRPLL2: | |
9652 | pipe_config->shared_dpll = DPLL_ID_WRPLL2; | |
9653 | break; | |
9654 | } | |
9655 | } | |
9656 | ||
26804afd | 9657 | static void haswell_get_ddi_port_state(struct intel_crtc *crtc, |
5cec258b | 9658 | struct intel_crtc_state *pipe_config) |
26804afd DV |
9659 | { |
9660 | struct drm_device *dev = crtc->base.dev; | |
9661 | struct drm_i915_private *dev_priv = dev->dev_private; | |
d452c5b6 | 9662 | struct intel_shared_dpll *pll; |
26804afd DV |
9663 | enum port port; |
9664 | uint32_t tmp; | |
9665 | ||
9666 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder)); | |
9667 | ||
9668 | port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT; | |
9669 | ||
96b7dfb7 S |
9670 | if (IS_SKYLAKE(dev)) |
9671 | skylake_get_ddi_pll(dev_priv, port, pipe_config); | |
3760b59c S |
9672 | else if (IS_BROXTON(dev)) |
9673 | bxt_get_ddi_pll(dev_priv, port, pipe_config); | |
96b7dfb7 S |
9674 | else |
9675 | haswell_get_ddi_pll(dev_priv, port, pipe_config); | |
9cd86933 | 9676 | |
d452c5b6 DV |
9677 | if (pipe_config->shared_dpll >= 0) { |
9678 | pll = &dev_priv->shared_dplls[pipe_config->shared_dpll]; | |
9679 | ||
9680 | WARN_ON(!pll->get_hw_state(dev_priv, pll, | |
9681 | &pipe_config->dpll_hw_state)); | |
9682 | } | |
9683 | ||
26804afd DV |
9684 | /* |
9685 | * Haswell has only FDI/PCH transcoder A. It is which is connected to | |
9686 | * DDI E. So just check whether this pipe is wired to DDI E and whether | |
9687 | * the PCH transcoder is on. | |
9688 | */ | |
ca370455 DL |
9689 | if (INTEL_INFO(dev)->gen < 9 && |
9690 | (port == PORT_E) && I915_READ(LPT_TRANSCONF) & TRANS_ENABLE) { | |
26804afd DV |
9691 | pipe_config->has_pch_encoder = true; |
9692 | ||
9693 | tmp = I915_READ(FDI_RX_CTL(PIPE_A)); | |
9694 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
9695 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
9696 | ||
9697 | ironlake_get_fdi_m_n_config(crtc, pipe_config); | |
9698 | } | |
9699 | } | |
9700 | ||
0e8ffe1b | 9701 | static bool haswell_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 9702 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
9703 | { |
9704 | struct drm_device *dev = crtc->base.dev; | |
9705 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2fa2fe9a | 9706 | enum intel_display_power_domain pfit_domain; |
0e8ffe1b DV |
9707 | uint32_t tmp; |
9708 | ||
f458ebbc | 9709 | if (!intel_display_power_is_enabled(dev_priv, |
b5482bd0 ID |
9710 | POWER_DOMAIN_PIPE(crtc->pipe))) |
9711 | return false; | |
9712 | ||
e143a21c | 9713 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
c0d43d62 DV |
9714 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
9715 | ||
eccb140b DV |
9716 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); |
9717 | if (tmp & TRANS_DDI_FUNC_ENABLE) { | |
9718 | enum pipe trans_edp_pipe; | |
9719 | switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { | |
9720 | default: | |
9721 | WARN(1, "unknown pipe linked to edp transcoder\n"); | |
9722 | case TRANS_DDI_EDP_INPUT_A_ONOFF: | |
9723 | case TRANS_DDI_EDP_INPUT_A_ON: | |
9724 | trans_edp_pipe = PIPE_A; | |
9725 | break; | |
9726 | case TRANS_DDI_EDP_INPUT_B_ONOFF: | |
9727 | trans_edp_pipe = PIPE_B; | |
9728 | break; | |
9729 | case TRANS_DDI_EDP_INPUT_C_ONOFF: | |
9730 | trans_edp_pipe = PIPE_C; | |
9731 | break; | |
9732 | } | |
9733 | ||
9734 | if (trans_edp_pipe == crtc->pipe) | |
9735 | pipe_config->cpu_transcoder = TRANSCODER_EDP; | |
9736 | } | |
9737 | ||
f458ebbc | 9738 | if (!intel_display_power_is_enabled(dev_priv, |
eccb140b | 9739 | POWER_DOMAIN_TRANSCODER(pipe_config->cpu_transcoder))) |
2bfce950 PZ |
9740 | return false; |
9741 | ||
eccb140b | 9742 | tmp = I915_READ(PIPECONF(pipe_config->cpu_transcoder)); |
0e8ffe1b DV |
9743 | if (!(tmp & PIPECONF_ENABLE)) |
9744 | return false; | |
9745 | ||
26804afd | 9746 | haswell_get_ddi_port_state(crtc, pipe_config); |
627eb5a3 | 9747 | |
1bd1bd80 DV |
9748 | intel_get_pipe_timings(crtc, pipe_config); |
9749 | ||
a1b2278e CK |
9750 | if (INTEL_INFO(dev)->gen >= 9) { |
9751 | skl_init_scalers(dev, crtc, pipe_config); | |
9752 | } | |
9753 | ||
2fa2fe9a | 9754 | pfit_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe); |
af99ceda CK |
9755 | |
9756 | if (INTEL_INFO(dev)->gen >= 9) { | |
9757 | pipe_config->scaler_state.scaler_id = -1; | |
9758 | pipe_config->scaler_state.scaler_users &= ~(1 << SKL_CRTC_INDEX); | |
9759 | } | |
9760 | ||
bd2e244f | 9761 | if (intel_display_power_is_enabled(dev_priv, pfit_domain)) { |
ff6d9f55 | 9762 | if (INTEL_INFO(dev)->gen == 9) |
bd2e244f | 9763 | skylake_get_pfit_config(crtc, pipe_config); |
ff6d9f55 | 9764 | else if (INTEL_INFO(dev)->gen < 9) |
bd2e244f | 9765 | ironlake_get_pfit_config(crtc, pipe_config); |
ff6d9f55 JB |
9766 | else |
9767 | MISSING_CASE(INTEL_INFO(dev)->gen); | |
bd2e244f | 9768 | } |
88adfff1 | 9769 | |
e59150dc JB |
9770 | if (IS_HASWELL(dev)) |
9771 | pipe_config->ips_enabled = hsw_crtc_supports_ips(crtc) && | |
9772 | (I915_READ(IPS_CTL) & IPS_ENABLE); | |
42db64ef | 9773 | |
ebb69c95 CT |
9774 | if (pipe_config->cpu_transcoder != TRANSCODER_EDP) { |
9775 | pipe_config->pixel_multiplier = | |
9776 | I915_READ(PIPE_MULT(pipe_config->cpu_transcoder)) + 1; | |
9777 | } else { | |
9778 | pipe_config->pixel_multiplier = 1; | |
9779 | } | |
6c49f241 | 9780 | |
0e8ffe1b DV |
9781 | return true; |
9782 | } | |
9783 | ||
560b85bb CW |
9784 | static void i845_update_cursor(struct drm_crtc *crtc, u32 base) |
9785 | { | |
9786 | struct drm_device *dev = crtc->dev; | |
9787 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9788 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
dc41c154 | 9789 | uint32_t cntl = 0, size = 0; |
560b85bb | 9790 | |
dc41c154 | 9791 | if (base) { |
3dd512fb MR |
9792 | unsigned int width = intel_crtc->base.cursor->state->crtc_w; |
9793 | unsigned int height = intel_crtc->base.cursor->state->crtc_h; | |
dc41c154 VS |
9794 | unsigned int stride = roundup_pow_of_two(width) * 4; |
9795 | ||
9796 | switch (stride) { | |
9797 | default: | |
9798 | WARN_ONCE(1, "Invalid cursor width/stride, width=%u, stride=%u\n", | |
9799 | width, stride); | |
9800 | stride = 256; | |
9801 | /* fallthrough */ | |
9802 | case 256: | |
9803 | case 512: | |
9804 | case 1024: | |
9805 | case 2048: | |
9806 | break; | |
4b0e333e CW |
9807 | } |
9808 | ||
dc41c154 VS |
9809 | cntl |= CURSOR_ENABLE | |
9810 | CURSOR_GAMMA_ENABLE | | |
9811 | CURSOR_FORMAT_ARGB | | |
9812 | CURSOR_STRIDE(stride); | |
9813 | ||
9814 | size = (height << 12) | width; | |
4b0e333e | 9815 | } |
560b85bb | 9816 | |
dc41c154 VS |
9817 | if (intel_crtc->cursor_cntl != 0 && |
9818 | (intel_crtc->cursor_base != base || | |
9819 | intel_crtc->cursor_size != size || | |
9820 | intel_crtc->cursor_cntl != cntl)) { | |
9821 | /* On these chipsets we can only modify the base/size/stride | |
9822 | * whilst the cursor is disabled. | |
9823 | */ | |
9824 | I915_WRITE(_CURACNTR, 0); | |
4b0e333e | 9825 | POSTING_READ(_CURACNTR); |
dc41c154 | 9826 | intel_crtc->cursor_cntl = 0; |
4b0e333e | 9827 | } |
560b85bb | 9828 | |
99d1f387 | 9829 | if (intel_crtc->cursor_base != base) { |
9db4a9c7 | 9830 | I915_WRITE(_CURABASE, base); |
99d1f387 VS |
9831 | intel_crtc->cursor_base = base; |
9832 | } | |
4726e0b0 | 9833 | |
dc41c154 VS |
9834 | if (intel_crtc->cursor_size != size) { |
9835 | I915_WRITE(CURSIZE, size); | |
9836 | intel_crtc->cursor_size = size; | |
4b0e333e | 9837 | } |
560b85bb | 9838 | |
4b0e333e | 9839 | if (intel_crtc->cursor_cntl != cntl) { |
4b0e333e CW |
9840 | I915_WRITE(_CURACNTR, cntl); |
9841 | POSTING_READ(_CURACNTR); | |
4b0e333e | 9842 | intel_crtc->cursor_cntl = cntl; |
560b85bb | 9843 | } |
560b85bb CW |
9844 | } |
9845 | ||
560b85bb | 9846 | static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base) |
65a21cd6 JB |
9847 | { |
9848 | struct drm_device *dev = crtc->dev; | |
9849 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9850 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
9851 | int pipe = intel_crtc->pipe; | |
4b0e333e CW |
9852 | uint32_t cntl; |
9853 | ||
9854 | cntl = 0; | |
9855 | if (base) { | |
9856 | cntl = MCURSOR_GAMMA_ENABLE; | |
3dd512fb | 9857 | switch (intel_crtc->base.cursor->state->crtc_w) { |
4726e0b0 SK |
9858 | case 64: |
9859 | cntl |= CURSOR_MODE_64_ARGB_AX; | |
9860 | break; | |
9861 | case 128: | |
9862 | cntl |= CURSOR_MODE_128_ARGB_AX; | |
9863 | break; | |
9864 | case 256: | |
9865 | cntl |= CURSOR_MODE_256_ARGB_AX; | |
9866 | break; | |
9867 | default: | |
3dd512fb | 9868 | MISSING_CASE(intel_crtc->base.cursor->state->crtc_w); |
4726e0b0 | 9869 | return; |
65a21cd6 | 9870 | } |
4b0e333e | 9871 | cntl |= pipe << 28; /* Connect to correct pipe */ |
47bf17a7 VS |
9872 | |
9873 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) | |
9874 | cntl |= CURSOR_PIPE_CSC_ENABLE; | |
4b0e333e | 9875 | } |
65a21cd6 | 9876 | |
8e7d688b | 9877 | if (crtc->cursor->state->rotation == BIT(DRM_ROTATE_180)) |
4398ad45 VS |
9878 | cntl |= CURSOR_ROTATE_180; |
9879 | ||
4b0e333e CW |
9880 | if (intel_crtc->cursor_cntl != cntl) { |
9881 | I915_WRITE(CURCNTR(pipe), cntl); | |
9882 | POSTING_READ(CURCNTR(pipe)); | |
9883 | intel_crtc->cursor_cntl = cntl; | |
65a21cd6 | 9884 | } |
4b0e333e | 9885 | |
65a21cd6 | 9886 | /* and commit changes on next vblank */ |
5efb3e28 VS |
9887 | I915_WRITE(CURBASE(pipe), base); |
9888 | POSTING_READ(CURBASE(pipe)); | |
99d1f387 VS |
9889 | |
9890 | intel_crtc->cursor_base = base; | |
65a21cd6 JB |
9891 | } |
9892 | ||
cda4b7d3 | 9893 | /* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */ |
6b383a7f CW |
9894 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, |
9895 | bool on) | |
cda4b7d3 CW |
9896 | { |
9897 | struct drm_device *dev = crtc->dev; | |
9898 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9899 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
9900 | int pipe = intel_crtc->pipe; | |
3d7d6510 MR |
9901 | int x = crtc->cursor_x; |
9902 | int y = crtc->cursor_y; | |
d6e4db15 | 9903 | u32 base = 0, pos = 0; |
cda4b7d3 | 9904 | |
d6e4db15 | 9905 | if (on) |
cda4b7d3 | 9906 | base = intel_crtc->cursor_addr; |
cda4b7d3 | 9907 | |
6e3c9717 | 9908 | if (x >= intel_crtc->config->pipe_src_w) |
d6e4db15 VS |
9909 | base = 0; |
9910 | ||
6e3c9717 | 9911 | if (y >= intel_crtc->config->pipe_src_h) |
cda4b7d3 CW |
9912 | base = 0; |
9913 | ||
9914 | if (x < 0) { | |
3dd512fb | 9915 | if (x + intel_crtc->base.cursor->state->crtc_w <= 0) |
cda4b7d3 CW |
9916 | base = 0; |
9917 | ||
9918 | pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT; | |
9919 | x = -x; | |
9920 | } | |
9921 | pos |= x << CURSOR_X_SHIFT; | |
9922 | ||
9923 | if (y < 0) { | |
3dd512fb | 9924 | if (y + intel_crtc->base.cursor->state->crtc_h <= 0) |
cda4b7d3 CW |
9925 | base = 0; |
9926 | ||
9927 | pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT; | |
9928 | y = -y; | |
9929 | } | |
9930 | pos |= y << CURSOR_Y_SHIFT; | |
9931 | ||
4b0e333e | 9932 | if (base == 0 && intel_crtc->cursor_base == 0) |
cda4b7d3 CW |
9933 | return; |
9934 | ||
5efb3e28 VS |
9935 | I915_WRITE(CURPOS(pipe), pos); |
9936 | ||
4398ad45 VS |
9937 | /* ILK+ do this automagically */ |
9938 | if (HAS_GMCH_DISPLAY(dev) && | |
8e7d688b | 9939 | crtc->cursor->state->rotation == BIT(DRM_ROTATE_180)) { |
3dd512fb MR |
9940 | base += (intel_crtc->base.cursor->state->crtc_h * |
9941 | intel_crtc->base.cursor->state->crtc_w - 1) * 4; | |
4398ad45 VS |
9942 | } |
9943 | ||
8ac54669 | 9944 | if (IS_845G(dev) || IS_I865G(dev)) |
5efb3e28 VS |
9945 | i845_update_cursor(crtc, base); |
9946 | else | |
9947 | i9xx_update_cursor(crtc, base); | |
cda4b7d3 CW |
9948 | } |
9949 | ||
dc41c154 VS |
9950 | static bool cursor_size_ok(struct drm_device *dev, |
9951 | uint32_t width, uint32_t height) | |
9952 | { | |
9953 | if (width == 0 || height == 0) | |
9954 | return false; | |
9955 | ||
9956 | /* | |
9957 | * 845g/865g are special in that they are only limited by | |
9958 | * the width of their cursors, the height is arbitrary up to | |
9959 | * the precision of the register. Everything else requires | |
9960 | * square cursors, limited to a few power-of-two sizes. | |
9961 | */ | |
9962 | if (IS_845G(dev) || IS_I865G(dev)) { | |
9963 | if ((width & 63) != 0) | |
9964 | return false; | |
9965 | ||
9966 | if (width > (IS_845G(dev) ? 64 : 512)) | |
9967 | return false; | |
9968 | ||
9969 | if (height > 1023) | |
9970 | return false; | |
9971 | } else { | |
9972 | switch (width | height) { | |
9973 | case 256: | |
9974 | case 128: | |
9975 | if (IS_GEN2(dev)) | |
9976 | return false; | |
9977 | case 64: | |
9978 | break; | |
9979 | default: | |
9980 | return false; | |
9981 | } | |
9982 | } | |
9983 | ||
9984 | return true; | |
9985 | } | |
9986 | ||
79e53945 | 9987 | static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, |
7203425a | 9988 | u16 *blue, uint32_t start, uint32_t size) |
79e53945 | 9989 | { |
7203425a | 9990 | int end = (start + size > 256) ? 256 : start + size, i; |
79e53945 | 9991 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
79e53945 | 9992 | |
7203425a | 9993 | for (i = start; i < end; i++) { |
79e53945 JB |
9994 | intel_crtc->lut_r[i] = red[i] >> 8; |
9995 | intel_crtc->lut_g[i] = green[i] >> 8; | |
9996 | intel_crtc->lut_b[i] = blue[i] >> 8; | |
9997 | } | |
9998 | ||
9999 | intel_crtc_load_lut(crtc); | |
10000 | } | |
10001 | ||
79e53945 JB |
10002 | /* VESA 640x480x72Hz mode to set on the pipe */ |
10003 | static struct drm_display_mode load_detect_mode = { | |
10004 | DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664, | |
10005 | 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), | |
10006 | }; | |
10007 | ||
a8bb6818 DV |
10008 | struct drm_framebuffer * |
10009 | __intel_framebuffer_create(struct drm_device *dev, | |
10010 | struct drm_mode_fb_cmd2 *mode_cmd, | |
10011 | struct drm_i915_gem_object *obj) | |
d2dff872 CW |
10012 | { |
10013 | struct intel_framebuffer *intel_fb; | |
10014 | int ret; | |
10015 | ||
10016 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); | |
10017 | if (!intel_fb) { | |
6ccb81f2 | 10018 | drm_gem_object_unreference(&obj->base); |
d2dff872 CW |
10019 | return ERR_PTR(-ENOMEM); |
10020 | } | |
10021 | ||
10022 | ret = intel_framebuffer_init(dev, intel_fb, mode_cmd, obj); | |
dd4916c5 DV |
10023 | if (ret) |
10024 | goto err; | |
d2dff872 CW |
10025 | |
10026 | return &intel_fb->base; | |
dd4916c5 | 10027 | err: |
6ccb81f2 | 10028 | drm_gem_object_unreference(&obj->base); |
dd4916c5 DV |
10029 | kfree(intel_fb); |
10030 | ||
10031 | return ERR_PTR(ret); | |
d2dff872 CW |
10032 | } |
10033 | ||
b5ea642a | 10034 | static struct drm_framebuffer * |
a8bb6818 DV |
10035 | intel_framebuffer_create(struct drm_device *dev, |
10036 | struct drm_mode_fb_cmd2 *mode_cmd, | |
10037 | struct drm_i915_gem_object *obj) | |
10038 | { | |
10039 | struct drm_framebuffer *fb; | |
10040 | int ret; | |
10041 | ||
10042 | ret = i915_mutex_lock_interruptible(dev); | |
10043 | if (ret) | |
10044 | return ERR_PTR(ret); | |
10045 | fb = __intel_framebuffer_create(dev, mode_cmd, obj); | |
10046 | mutex_unlock(&dev->struct_mutex); | |
10047 | ||
10048 | return fb; | |
10049 | } | |
10050 | ||
d2dff872 CW |
10051 | static u32 |
10052 | intel_framebuffer_pitch_for_width(int width, int bpp) | |
10053 | { | |
10054 | u32 pitch = DIV_ROUND_UP(width * bpp, 8); | |
10055 | return ALIGN(pitch, 64); | |
10056 | } | |
10057 | ||
10058 | static u32 | |
10059 | intel_framebuffer_size_for_mode(struct drm_display_mode *mode, int bpp) | |
10060 | { | |
10061 | u32 pitch = intel_framebuffer_pitch_for_width(mode->hdisplay, bpp); | |
1267a26b | 10062 | return PAGE_ALIGN(pitch * mode->vdisplay); |
d2dff872 CW |
10063 | } |
10064 | ||
10065 | static struct drm_framebuffer * | |
10066 | intel_framebuffer_create_for_mode(struct drm_device *dev, | |
10067 | struct drm_display_mode *mode, | |
10068 | int depth, int bpp) | |
10069 | { | |
10070 | struct drm_i915_gem_object *obj; | |
0fed39bd | 10071 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; |
d2dff872 CW |
10072 | |
10073 | obj = i915_gem_alloc_object(dev, | |
10074 | intel_framebuffer_size_for_mode(mode, bpp)); | |
10075 | if (obj == NULL) | |
10076 | return ERR_PTR(-ENOMEM); | |
10077 | ||
10078 | mode_cmd.width = mode->hdisplay; | |
10079 | mode_cmd.height = mode->vdisplay; | |
308e5bcb JB |
10080 | mode_cmd.pitches[0] = intel_framebuffer_pitch_for_width(mode_cmd.width, |
10081 | bpp); | |
5ca0c34a | 10082 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); |
d2dff872 CW |
10083 | |
10084 | return intel_framebuffer_create(dev, &mode_cmd, obj); | |
10085 | } | |
10086 | ||
10087 | static struct drm_framebuffer * | |
10088 | mode_fits_in_fbdev(struct drm_device *dev, | |
10089 | struct drm_display_mode *mode) | |
10090 | { | |
4520f53a | 10091 | #ifdef CONFIG_DRM_I915_FBDEV |
d2dff872 CW |
10092 | struct drm_i915_private *dev_priv = dev->dev_private; |
10093 | struct drm_i915_gem_object *obj; | |
10094 | struct drm_framebuffer *fb; | |
10095 | ||
4c0e5528 | 10096 | if (!dev_priv->fbdev) |
d2dff872 CW |
10097 | return NULL; |
10098 | ||
4c0e5528 | 10099 | if (!dev_priv->fbdev->fb) |
d2dff872 CW |
10100 | return NULL; |
10101 | ||
4c0e5528 DV |
10102 | obj = dev_priv->fbdev->fb->obj; |
10103 | BUG_ON(!obj); | |
10104 | ||
8bcd4553 | 10105 | fb = &dev_priv->fbdev->fb->base; |
01f2c773 VS |
10106 | if (fb->pitches[0] < intel_framebuffer_pitch_for_width(mode->hdisplay, |
10107 | fb->bits_per_pixel)) | |
d2dff872 CW |
10108 | return NULL; |
10109 | ||
01f2c773 | 10110 | if (obj->base.size < mode->vdisplay * fb->pitches[0]) |
d2dff872 CW |
10111 | return NULL; |
10112 | ||
10113 | return fb; | |
4520f53a DV |
10114 | #else |
10115 | return NULL; | |
10116 | #endif | |
d2dff872 CW |
10117 | } |
10118 | ||
d3a40d1b ACO |
10119 | static int intel_modeset_setup_plane_state(struct drm_atomic_state *state, |
10120 | struct drm_crtc *crtc, | |
10121 | struct drm_display_mode *mode, | |
10122 | struct drm_framebuffer *fb, | |
10123 | int x, int y) | |
10124 | { | |
10125 | struct drm_plane_state *plane_state; | |
10126 | int hdisplay, vdisplay; | |
10127 | int ret; | |
10128 | ||
10129 | plane_state = drm_atomic_get_plane_state(state, crtc->primary); | |
10130 | if (IS_ERR(plane_state)) | |
10131 | return PTR_ERR(plane_state); | |
10132 | ||
10133 | if (mode) | |
10134 | drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay); | |
10135 | else | |
10136 | hdisplay = vdisplay = 0; | |
10137 | ||
10138 | ret = drm_atomic_set_crtc_for_plane(plane_state, fb ? crtc : NULL); | |
10139 | if (ret) | |
10140 | return ret; | |
10141 | drm_atomic_set_fb_for_plane(plane_state, fb); | |
10142 | plane_state->crtc_x = 0; | |
10143 | plane_state->crtc_y = 0; | |
10144 | plane_state->crtc_w = hdisplay; | |
10145 | plane_state->crtc_h = vdisplay; | |
10146 | plane_state->src_x = x << 16; | |
10147 | plane_state->src_y = y << 16; | |
10148 | plane_state->src_w = hdisplay << 16; | |
10149 | plane_state->src_h = vdisplay << 16; | |
10150 | ||
10151 | return 0; | |
10152 | } | |
10153 | ||
d2434ab7 | 10154 | bool intel_get_load_detect_pipe(struct drm_connector *connector, |
7173188d | 10155 | struct drm_display_mode *mode, |
51fd371b RC |
10156 | struct intel_load_detect_pipe *old, |
10157 | struct drm_modeset_acquire_ctx *ctx) | |
79e53945 JB |
10158 | { |
10159 | struct intel_crtc *intel_crtc; | |
d2434ab7 DV |
10160 | struct intel_encoder *intel_encoder = |
10161 | intel_attached_encoder(connector); | |
79e53945 | 10162 | struct drm_crtc *possible_crtc; |
4ef69c7a | 10163 | struct drm_encoder *encoder = &intel_encoder->base; |
79e53945 JB |
10164 | struct drm_crtc *crtc = NULL; |
10165 | struct drm_device *dev = encoder->dev; | |
94352cf9 | 10166 | struct drm_framebuffer *fb; |
51fd371b | 10167 | struct drm_mode_config *config = &dev->mode_config; |
83a57153 | 10168 | struct drm_atomic_state *state = NULL; |
944b0c76 | 10169 | struct drm_connector_state *connector_state; |
4be07317 | 10170 | struct intel_crtc_state *crtc_state; |
51fd371b | 10171 | int ret, i = -1; |
79e53945 | 10172 | |
d2dff872 | 10173 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
c23cc417 | 10174 | connector->base.id, connector->name, |
8e329a03 | 10175 | encoder->base.id, encoder->name); |
d2dff872 | 10176 | |
51fd371b RC |
10177 | retry: |
10178 | ret = drm_modeset_lock(&config->connection_mutex, ctx); | |
10179 | if (ret) | |
10180 | goto fail_unlock; | |
6e9f798d | 10181 | |
79e53945 JB |
10182 | /* |
10183 | * Algorithm gets a little messy: | |
7a5e4805 | 10184 | * |
79e53945 JB |
10185 | * - if the connector already has an assigned crtc, use it (but make |
10186 | * sure it's on first) | |
7a5e4805 | 10187 | * |
79e53945 JB |
10188 | * - try to find the first unused crtc that can drive this connector, |
10189 | * and use that if we find one | |
79e53945 JB |
10190 | */ |
10191 | ||
10192 | /* See if we already have a CRTC for this connector */ | |
10193 | if (encoder->crtc) { | |
10194 | crtc = encoder->crtc; | |
8261b191 | 10195 | |
51fd371b | 10196 | ret = drm_modeset_lock(&crtc->mutex, ctx); |
4d02e2de DV |
10197 | if (ret) |
10198 | goto fail_unlock; | |
10199 | ret = drm_modeset_lock(&crtc->primary->mutex, ctx); | |
51fd371b RC |
10200 | if (ret) |
10201 | goto fail_unlock; | |
7b24056b | 10202 | |
24218aac | 10203 | old->dpms_mode = connector->dpms; |
8261b191 CW |
10204 | old->load_detect_temp = false; |
10205 | ||
10206 | /* Make sure the crtc and connector are running */ | |
24218aac DV |
10207 | if (connector->dpms != DRM_MODE_DPMS_ON) |
10208 | connector->funcs->dpms(connector, DRM_MODE_DPMS_ON); | |
8261b191 | 10209 | |
7173188d | 10210 | return true; |
79e53945 JB |
10211 | } |
10212 | ||
10213 | /* Find an unused one (if possible) */ | |
70e1e0ec | 10214 | for_each_crtc(dev, possible_crtc) { |
79e53945 JB |
10215 | i++; |
10216 | if (!(encoder->possible_crtcs & (1 << i))) | |
10217 | continue; | |
83d65738 | 10218 | if (possible_crtc->state->enable) |
a459249c VS |
10219 | continue; |
10220 | /* This can occur when applying the pipe A quirk on resume. */ | |
10221 | if (to_intel_crtc(possible_crtc)->new_enabled) | |
10222 | continue; | |
10223 | ||
10224 | crtc = possible_crtc; | |
10225 | break; | |
79e53945 JB |
10226 | } |
10227 | ||
10228 | /* | |
10229 | * If we didn't find an unused CRTC, don't use any. | |
10230 | */ | |
10231 | if (!crtc) { | |
7173188d | 10232 | DRM_DEBUG_KMS("no pipe available for load-detect\n"); |
51fd371b | 10233 | goto fail_unlock; |
79e53945 JB |
10234 | } |
10235 | ||
51fd371b RC |
10236 | ret = drm_modeset_lock(&crtc->mutex, ctx); |
10237 | if (ret) | |
4d02e2de DV |
10238 | goto fail_unlock; |
10239 | ret = drm_modeset_lock(&crtc->primary->mutex, ctx); | |
10240 | if (ret) | |
51fd371b | 10241 | goto fail_unlock; |
fc303101 DV |
10242 | intel_encoder->new_crtc = to_intel_crtc(crtc); |
10243 | to_intel_connector(connector)->new_encoder = intel_encoder; | |
79e53945 JB |
10244 | |
10245 | intel_crtc = to_intel_crtc(crtc); | |
412b61d8 | 10246 | intel_crtc->new_enabled = true; |
24218aac | 10247 | old->dpms_mode = connector->dpms; |
8261b191 | 10248 | old->load_detect_temp = true; |
d2dff872 | 10249 | old->release_fb = NULL; |
79e53945 | 10250 | |
83a57153 ACO |
10251 | state = drm_atomic_state_alloc(dev); |
10252 | if (!state) | |
10253 | return false; | |
10254 | ||
10255 | state->acquire_ctx = ctx; | |
10256 | ||
944b0c76 ACO |
10257 | connector_state = drm_atomic_get_connector_state(state, connector); |
10258 | if (IS_ERR(connector_state)) { | |
10259 | ret = PTR_ERR(connector_state); | |
10260 | goto fail; | |
10261 | } | |
10262 | ||
10263 | connector_state->crtc = crtc; | |
10264 | connector_state->best_encoder = &intel_encoder->base; | |
10265 | ||
4be07317 ACO |
10266 | crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); |
10267 | if (IS_ERR(crtc_state)) { | |
10268 | ret = PTR_ERR(crtc_state); | |
10269 | goto fail; | |
10270 | } | |
10271 | ||
49d6fa21 | 10272 | crtc_state->base.active = crtc_state->base.enable = true; |
4be07317 | 10273 | |
6492711d CW |
10274 | if (!mode) |
10275 | mode = &load_detect_mode; | |
79e53945 | 10276 | |
d2dff872 CW |
10277 | /* We need a framebuffer large enough to accommodate all accesses |
10278 | * that the plane may generate whilst we perform load detection. | |
10279 | * We can not rely on the fbcon either being present (we get called | |
10280 | * during its initialisation to detect all boot displays, or it may | |
10281 | * not even exist) or that it is large enough to satisfy the | |
10282 | * requested mode. | |
10283 | */ | |
94352cf9 DV |
10284 | fb = mode_fits_in_fbdev(dev, mode); |
10285 | if (fb == NULL) { | |
d2dff872 | 10286 | DRM_DEBUG_KMS("creating tmp fb for load-detection\n"); |
94352cf9 DV |
10287 | fb = intel_framebuffer_create_for_mode(dev, mode, 24, 32); |
10288 | old->release_fb = fb; | |
d2dff872 CW |
10289 | } else |
10290 | DRM_DEBUG_KMS("reusing fbdev for load-detection framebuffer\n"); | |
94352cf9 | 10291 | if (IS_ERR(fb)) { |
d2dff872 | 10292 | DRM_DEBUG_KMS("failed to allocate framebuffer for load-detection\n"); |
412b61d8 | 10293 | goto fail; |
79e53945 | 10294 | } |
79e53945 | 10295 | |
d3a40d1b ACO |
10296 | ret = intel_modeset_setup_plane_state(state, crtc, mode, fb, 0, 0); |
10297 | if (ret) | |
10298 | goto fail; | |
10299 | ||
8c7b5ccb ACO |
10300 | drm_mode_copy(&crtc_state->base.mode, mode); |
10301 | ||
568c634a | 10302 | if (intel_set_mode(state)) { |
6492711d | 10303 | DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n"); |
d2dff872 CW |
10304 | if (old->release_fb) |
10305 | old->release_fb->funcs->destroy(old->release_fb); | |
412b61d8 | 10306 | goto fail; |
79e53945 | 10307 | } |
9128b040 | 10308 | crtc->primary->crtc = crtc; |
7173188d | 10309 | |
79e53945 | 10310 | /* let the connector get through one full cycle before testing */ |
9d0498a2 | 10311 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
7173188d | 10312 | return true; |
412b61d8 VS |
10313 | |
10314 | fail: | |
83d65738 | 10315 | intel_crtc->new_enabled = crtc->state->enable; |
51fd371b | 10316 | fail_unlock: |
e5d958ef ACO |
10317 | drm_atomic_state_free(state); |
10318 | state = NULL; | |
83a57153 | 10319 | |
51fd371b RC |
10320 | if (ret == -EDEADLK) { |
10321 | drm_modeset_backoff(ctx); | |
10322 | goto retry; | |
10323 | } | |
10324 | ||
412b61d8 | 10325 | return false; |
79e53945 JB |
10326 | } |
10327 | ||
d2434ab7 | 10328 | void intel_release_load_detect_pipe(struct drm_connector *connector, |
49172fee ACO |
10329 | struct intel_load_detect_pipe *old, |
10330 | struct drm_modeset_acquire_ctx *ctx) | |
79e53945 | 10331 | { |
83a57153 | 10332 | struct drm_device *dev = connector->dev; |
d2434ab7 DV |
10333 | struct intel_encoder *intel_encoder = |
10334 | intel_attached_encoder(connector); | |
4ef69c7a | 10335 | struct drm_encoder *encoder = &intel_encoder->base; |
7b24056b | 10336 | struct drm_crtc *crtc = encoder->crtc; |
412b61d8 | 10337 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
83a57153 | 10338 | struct drm_atomic_state *state; |
944b0c76 | 10339 | struct drm_connector_state *connector_state; |
4be07317 | 10340 | struct intel_crtc_state *crtc_state; |
d3a40d1b | 10341 | int ret; |
79e53945 | 10342 | |
d2dff872 | 10343 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
c23cc417 | 10344 | connector->base.id, connector->name, |
8e329a03 | 10345 | encoder->base.id, encoder->name); |
d2dff872 | 10346 | |
8261b191 | 10347 | if (old->load_detect_temp) { |
83a57153 | 10348 | state = drm_atomic_state_alloc(dev); |
944b0c76 ACO |
10349 | if (!state) |
10350 | goto fail; | |
83a57153 ACO |
10351 | |
10352 | state->acquire_ctx = ctx; | |
10353 | ||
944b0c76 ACO |
10354 | connector_state = drm_atomic_get_connector_state(state, connector); |
10355 | if (IS_ERR(connector_state)) | |
10356 | goto fail; | |
10357 | ||
4be07317 ACO |
10358 | crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); |
10359 | if (IS_ERR(crtc_state)) | |
10360 | goto fail; | |
10361 | ||
fc303101 DV |
10362 | to_intel_connector(connector)->new_encoder = NULL; |
10363 | intel_encoder->new_crtc = NULL; | |
412b61d8 | 10364 | intel_crtc->new_enabled = false; |
944b0c76 ACO |
10365 | |
10366 | connector_state->best_encoder = NULL; | |
10367 | connector_state->crtc = NULL; | |
10368 | ||
49d6fa21 | 10369 | crtc_state->base.enable = crtc_state->base.active = false; |
4be07317 | 10370 | |
d3a40d1b ACO |
10371 | ret = intel_modeset_setup_plane_state(state, crtc, NULL, NULL, |
10372 | 0, 0); | |
10373 | if (ret) | |
10374 | goto fail; | |
10375 | ||
568c634a | 10376 | ret = intel_set_mode(state); |
2bfb4627 ACO |
10377 | if (ret) |
10378 | goto fail; | |
d2dff872 | 10379 | |
36206361 DV |
10380 | if (old->release_fb) { |
10381 | drm_framebuffer_unregister_private(old->release_fb); | |
10382 | drm_framebuffer_unreference(old->release_fb); | |
10383 | } | |
d2dff872 | 10384 | |
0622a53c | 10385 | return; |
79e53945 JB |
10386 | } |
10387 | ||
c751ce4f | 10388 | /* Switch crtc and encoder back off if necessary */ |
24218aac DV |
10389 | if (old->dpms_mode != DRM_MODE_DPMS_ON) |
10390 | connector->funcs->dpms(connector, old->dpms_mode); | |
944b0c76 ACO |
10391 | |
10392 | return; | |
10393 | fail: | |
10394 | DRM_DEBUG_KMS("Couldn't release load detect pipe.\n"); | |
10395 | drm_atomic_state_free(state); | |
79e53945 JB |
10396 | } |
10397 | ||
da4a1efa | 10398 | static int i9xx_pll_refclk(struct drm_device *dev, |
5cec258b | 10399 | const struct intel_crtc_state *pipe_config) |
da4a1efa VS |
10400 | { |
10401 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10402 | u32 dpll = pipe_config->dpll_hw_state.dpll; | |
10403 | ||
10404 | if ((dpll & PLL_REF_INPUT_MASK) == PLLB_REF_INPUT_SPREADSPECTRUMIN) | |
e91e941b | 10405 | return dev_priv->vbt.lvds_ssc_freq; |
da4a1efa VS |
10406 | else if (HAS_PCH_SPLIT(dev)) |
10407 | return 120000; | |
10408 | else if (!IS_GEN2(dev)) | |
10409 | return 96000; | |
10410 | else | |
10411 | return 48000; | |
10412 | } | |
10413 | ||
79e53945 | 10414 | /* Returns the clock of the currently programmed mode of the given pipe. */ |
f1f644dc | 10415 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 10416 | struct intel_crtc_state *pipe_config) |
79e53945 | 10417 | { |
f1f644dc | 10418 | struct drm_device *dev = crtc->base.dev; |
79e53945 | 10419 | struct drm_i915_private *dev_priv = dev->dev_private; |
f1f644dc | 10420 | int pipe = pipe_config->cpu_transcoder; |
293623f7 | 10421 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
79e53945 JB |
10422 | u32 fp; |
10423 | intel_clock_t clock; | |
da4a1efa | 10424 | int refclk = i9xx_pll_refclk(dev, pipe_config); |
79e53945 JB |
10425 | |
10426 | if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) | |
293623f7 | 10427 | fp = pipe_config->dpll_hw_state.fp0; |
79e53945 | 10428 | else |
293623f7 | 10429 | fp = pipe_config->dpll_hw_state.fp1; |
79e53945 JB |
10430 | |
10431 | clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; | |
f2b115e6 AJ |
10432 | if (IS_PINEVIEW(dev)) { |
10433 | clock.n = ffs((fp & FP_N_PINEVIEW_DIV_MASK) >> FP_N_DIV_SHIFT) - 1; | |
10434 | clock.m2 = (fp & FP_M2_PINEVIEW_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
2177832f SL |
10435 | } else { |
10436 | clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; | |
10437 | clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
10438 | } | |
10439 | ||
a6c45cf0 | 10440 | if (!IS_GEN2(dev)) { |
f2b115e6 AJ |
10441 | if (IS_PINEVIEW(dev)) |
10442 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW) >> | |
10443 | DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW); | |
2177832f SL |
10444 | else |
10445 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >> | |
79e53945 JB |
10446 | DPLL_FPA01_P1_POST_DIV_SHIFT); |
10447 | ||
10448 | switch (dpll & DPLL_MODE_MASK) { | |
10449 | case DPLLB_MODE_DAC_SERIAL: | |
10450 | clock.p2 = dpll & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ? | |
10451 | 5 : 10; | |
10452 | break; | |
10453 | case DPLLB_MODE_LVDS: | |
10454 | clock.p2 = dpll & DPLLB_LVDS_P2_CLOCK_DIV_7 ? | |
10455 | 7 : 14; | |
10456 | break; | |
10457 | default: | |
28c97730 | 10458 | DRM_DEBUG_KMS("Unknown DPLL mode %08x in programmed " |
79e53945 | 10459 | "mode\n", (int)(dpll & DPLL_MODE_MASK)); |
f1f644dc | 10460 | return; |
79e53945 JB |
10461 | } |
10462 | ||
ac58c3f0 | 10463 | if (IS_PINEVIEW(dev)) |
da4a1efa | 10464 | pineview_clock(refclk, &clock); |
ac58c3f0 | 10465 | else |
da4a1efa | 10466 | i9xx_clock(refclk, &clock); |
79e53945 | 10467 | } else { |
0fb58223 | 10468 | u32 lvds = IS_I830(dev) ? 0 : I915_READ(LVDS); |
b1c560d1 | 10469 | bool is_lvds = (pipe == 1) && (lvds & LVDS_PORT_EN); |
79e53945 JB |
10470 | |
10471 | if (is_lvds) { | |
10472 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> | |
10473 | DPLL_FPA01_P1_POST_DIV_SHIFT); | |
b1c560d1 VS |
10474 | |
10475 | if (lvds & LVDS_CLKB_POWER_UP) | |
10476 | clock.p2 = 7; | |
10477 | else | |
10478 | clock.p2 = 14; | |
79e53945 JB |
10479 | } else { |
10480 | if (dpll & PLL_P1_DIVIDE_BY_TWO) | |
10481 | clock.p1 = 2; | |
10482 | else { | |
10483 | clock.p1 = ((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830) >> | |
10484 | DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; | |
10485 | } | |
10486 | if (dpll & PLL_P2_DIVIDE_BY_4) | |
10487 | clock.p2 = 4; | |
10488 | else | |
10489 | clock.p2 = 2; | |
79e53945 | 10490 | } |
da4a1efa VS |
10491 | |
10492 | i9xx_clock(refclk, &clock); | |
79e53945 JB |
10493 | } |
10494 | ||
18442d08 VS |
10495 | /* |
10496 | * This value includes pixel_multiplier. We will use | |
241bfc38 | 10497 | * port_clock to compute adjusted_mode.crtc_clock in the |
18442d08 VS |
10498 | * encoder's get_config() function. |
10499 | */ | |
10500 | pipe_config->port_clock = clock.dot; | |
f1f644dc JB |
10501 | } |
10502 | ||
6878da05 VS |
10503 | int intel_dotclock_calculate(int link_freq, |
10504 | const struct intel_link_m_n *m_n) | |
f1f644dc | 10505 | { |
f1f644dc JB |
10506 | /* |
10507 | * The calculation for the data clock is: | |
1041a02f | 10508 | * pixel_clock = ((m/n)*(link_clock * nr_lanes))/bpp |
f1f644dc | 10509 | * But we want to avoid losing precison if possible, so: |
1041a02f | 10510 | * pixel_clock = ((m * link_clock * nr_lanes)/(n*bpp)) |
f1f644dc JB |
10511 | * |
10512 | * and the link clock is simpler: | |
1041a02f | 10513 | * link_clock = (m * link_clock) / n |
f1f644dc JB |
10514 | */ |
10515 | ||
6878da05 VS |
10516 | if (!m_n->link_n) |
10517 | return 0; | |
f1f644dc | 10518 | |
6878da05 VS |
10519 | return div_u64((u64)m_n->link_m * link_freq, m_n->link_n); |
10520 | } | |
f1f644dc | 10521 | |
18442d08 | 10522 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
5cec258b | 10523 | struct intel_crtc_state *pipe_config) |
6878da05 VS |
10524 | { |
10525 | struct drm_device *dev = crtc->base.dev; | |
79e53945 | 10526 | |
18442d08 VS |
10527 | /* read out port_clock from the DPLL */ |
10528 | i9xx_crtc_clock_get(crtc, pipe_config); | |
f1f644dc | 10529 | |
f1f644dc | 10530 | /* |
18442d08 | 10531 | * This value does not include pixel_multiplier. |
241bfc38 | 10532 | * We will check that port_clock and adjusted_mode.crtc_clock |
18442d08 VS |
10533 | * agree once we know their relationship in the encoder's |
10534 | * get_config() function. | |
79e53945 | 10535 | */ |
2d112de7 | 10536 | pipe_config->base.adjusted_mode.crtc_clock = |
18442d08 VS |
10537 | intel_dotclock_calculate(intel_fdi_link_freq(dev) * 10000, |
10538 | &pipe_config->fdi_m_n); | |
79e53945 JB |
10539 | } |
10540 | ||
10541 | /** Returns the currently programmed mode of the given pipe. */ | |
10542 | struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, | |
10543 | struct drm_crtc *crtc) | |
10544 | { | |
548f245b | 10545 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 | 10546 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6e3c9717 | 10547 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
79e53945 | 10548 | struct drm_display_mode *mode; |
5cec258b | 10549 | struct intel_crtc_state pipe_config; |
fe2b8f9d PZ |
10550 | int htot = I915_READ(HTOTAL(cpu_transcoder)); |
10551 | int hsync = I915_READ(HSYNC(cpu_transcoder)); | |
10552 | int vtot = I915_READ(VTOTAL(cpu_transcoder)); | |
10553 | int vsync = I915_READ(VSYNC(cpu_transcoder)); | |
293623f7 | 10554 | enum pipe pipe = intel_crtc->pipe; |
79e53945 JB |
10555 | |
10556 | mode = kzalloc(sizeof(*mode), GFP_KERNEL); | |
10557 | if (!mode) | |
10558 | return NULL; | |
10559 | ||
f1f644dc JB |
10560 | /* |
10561 | * Construct a pipe_config sufficient for getting the clock info | |
10562 | * back out of crtc_clock_get. | |
10563 | * | |
10564 | * Note, if LVDS ever uses a non-1 pixel multiplier, we'll need | |
10565 | * to use a real value here instead. | |
10566 | */ | |
293623f7 | 10567 | pipe_config.cpu_transcoder = (enum transcoder) pipe; |
f1f644dc | 10568 | pipe_config.pixel_multiplier = 1; |
293623f7 VS |
10569 | pipe_config.dpll_hw_state.dpll = I915_READ(DPLL(pipe)); |
10570 | pipe_config.dpll_hw_state.fp0 = I915_READ(FP0(pipe)); | |
10571 | pipe_config.dpll_hw_state.fp1 = I915_READ(FP1(pipe)); | |
f1f644dc JB |
10572 | i9xx_crtc_clock_get(intel_crtc, &pipe_config); |
10573 | ||
773ae034 | 10574 | mode->clock = pipe_config.port_clock / pipe_config.pixel_multiplier; |
79e53945 JB |
10575 | mode->hdisplay = (htot & 0xffff) + 1; |
10576 | mode->htotal = ((htot & 0xffff0000) >> 16) + 1; | |
10577 | mode->hsync_start = (hsync & 0xffff) + 1; | |
10578 | mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; | |
10579 | mode->vdisplay = (vtot & 0xffff) + 1; | |
10580 | mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; | |
10581 | mode->vsync_start = (vsync & 0xffff) + 1; | |
10582 | mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; | |
10583 | ||
10584 | drm_mode_set_name(mode); | |
79e53945 JB |
10585 | |
10586 | return mode; | |
10587 | } | |
10588 | ||
f047e395 CW |
10589 | void intel_mark_busy(struct drm_device *dev) |
10590 | { | |
c67a470b PZ |
10591 | struct drm_i915_private *dev_priv = dev->dev_private; |
10592 | ||
f62a0076 CW |
10593 | if (dev_priv->mm.busy) |
10594 | return; | |
10595 | ||
43694d69 | 10596 | intel_runtime_pm_get(dev_priv); |
c67a470b | 10597 | i915_update_gfx_val(dev_priv); |
43cf3bf0 CW |
10598 | if (INTEL_INFO(dev)->gen >= 6) |
10599 | gen6_rps_busy(dev_priv); | |
f62a0076 | 10600 | dev_priv->mm.busy = true; |
f047e395 CW |
10601 | } |
10602 | ||
10603 | void intel_mark_idle(struct drm_device *dev) | |
652c393a | 10604 | { |
c67a470b | 10605 | struct drm_i915_private *dev_priv = dev->dev_private; |
652c393a | 10606 | |
f62a0076 CW |
10607 | if (!dev_priv->mm.busy) |
10608 | return; | |
10609 | ||
10610 | dev_priv->mm.busy = false; | |
10611 | ||
3d13ef2e | 10612 | if (INTEL_INFO(dev)->gen >= 6) |
b29c19b6 | 10613 | gen6_rps_idle(dev->dev_private); |
bb4cdd53 | 10614 | |
43694d69 | 10615 | intel_runtime_pm_put(dev_priv); |
652c393a JB |
10616 | } |
10617 | ||
79e53945 JB |
10618 | static void intel_crtc_destroy(struct drm_crtc *crtc) |
10619 | { | |
10620 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
67e77c5a DV |
10621 | struct drm_device *dev = crtc->dev; |
10622 | struct intel_unpin_work *work; | |
67e77c5a | 10623 | |
5e2d7afc | 10624 | spin_lock_irq(&dev->event_lock); |
67e77c5a DV |
10625 | work = intel_crtc->unpin_work; |
10626 | intel_crtc->unpin_work = NULL; | |
5e2d7afc | 10627 | spin_unlock_irq(&dev->event_lock); |
67e77c5a DV |
10628 | |
10629 | if (work) { | |
10630 | cancel_work_sync(&work->work); | |
10631 | kfree(work); | |
10632 | } | |
79e53945 JB |
10633 | |
10634 | drm_crtc_cleanup(crtc); | |
67e77c5a | 10635 | |
79e53945 JB |
10636 | kfree(intel_crtc); |
10637 | } | |
10638 | ||
6b95a207 KH |
10639 | static void intel_unpin_work_fn(struct work_struct *__work) |
10640 | { | |
10641 | struct intel_unpin_work *work = | |
10642 | container_of(__work, struct intel_unpin_work, work); | |
b4a98e57 | 10643 | struct drm_device *dev = work->crtc->dev; |
f99d7069 | 10644 | enum pipe pipe = to_intel_crtc(work->crtc)->pipe; |
6b95a207 | 10645 | |
b4a98e57 | 10646 | mutex_lock(&dev->struct_mutex); |
82bc3b2d | 10647 | intel_unpin_fb_obj(work->old_fb, work->crtc->primary->state); |
05394f39 | 10648 | drm_gem_object_unreference(&work->pending_flip_obj->base); |
d9e86c0e | 10649 | |
7ff0ebcc | 10650 | intel_fbc_update(dev); |
f06cc1b9 JH |
10651 | |
10652 | if (work->flip_queued_req) | |
146d84f0 | 10653 | i915_gem_request_assign(&work->flip_queued_req, NULL); |
b4a98e57 CW |
10654 | mutex_unlock(&dev->struct_mutex); |
10655 | ||
f99d7069 | 10656 | intel_frontbuffer_flip_complete(dev, INTEL_FRONTBUFFER_PRIMARY(pipe)); |
89ed88ba | 10657 | drm_framebuffer_unreference(work->old_fb); |
f99d7069 | 10658 | |
b4a98e57 CW |
10659 | BUG_ON(atomic_read(&to_intel_crtc(work->crtc)->unpin_work_count) == 0); |
10660 | atomic_dec(&to_intel_crtc(work->crtc)->unpin_work_count); | |
10661 | ||
6b95a207 KH |
10662 | kfree(work); |
10663 | } | |
10664 | ||
1afe3e9d | 10665 | static void do_intel_finish_page_flip(struct drm_device *dev, |
49b14a5c | 10666 | struct drm_crtc *crtc) |
6b95a207 | 10667 | { |
6b95a207 KH |
10668 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
10669 | struct intel_unpin_work *work; | |
6b95a207 KH |
10670 | unsigned long flags; |
10671 | ||
10672 | /* Ignore early vblank irqs */ | |
10673 | if (intel_crtc == NULL) | |
10674 | return; | |
10675 | ||
f326038a DV |
10676 | /* |
10677 | * This is called both by irq handlers and the reset code (to complete | |
10678 | * lost pageflips) so needs the full irqsave spinlocks. | |
10679 | */ | |
6b95a207 KH |
10680 | spin_lock_irqsave(&dev->event_lock, flags); |
10681 | work = intel_crtc->unpin_work; | |
e7d841ca CW |
10682 | |
10683 | /* Ensure we don't miss a work->pending update ... */ | |
10684 | smp_rmb(); | |
10685 | ||
10686 | if (work == NULL || atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) { | |
6b95a207 KH |
10687 | spin_unlock_irqrestore(&dev->event_lock, flags); |
10688 | return; | |
10689 | } | |
10690 | ||
d6bbafa1 | 10691 | page_flip_completed(intel_crtc); |
0af7e4df | 10692 | |
6b95a207 | 10693 | spin_unlock_irqrestore(&dev->event_lock, flags); |
6b95a207 KH |
10694 | } |
10695 | ||
1afe3e9d JB |
10696 | void intel_finish_page_flip(struct drm_device *dev, int pipe) |
10697 | { | |
fbee40df | 10698 | struct drm_i915_private *dev_priv = dev->dev_private; |
1afe3e9d JB |
10699 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
10700 | ||
49b14a5c | 10701 | do_intel_finish_page_flip(dev, crtc); |
1afe3e9d JB |
10702 | } |
10703 | ||
10704 | void intel_finish_page_flip_plane(struct drm_device *dev, int plane) | |
10705 | { | |
fbee40df | 10706 | struct drm_i915_private *dev_priv = dev->dev_private; |
1afe3e9d JB |
10707 | struct drm_crtc *crtc = dev_priv->plane_to_crtc_mapping[plane]; |
10708 | ||
49b14a5c | 10709 | do_intel_finish_page_flip(dev, crtc); |
1afe3e9d JB |
10710 | } |
10711 | ||
75f7f3ec VS |
10712 | /* Is 'a' after or equal to 'b'? */ |
10713 | static bool g4x_flip_count_after_eq(u32 a, u32 b) | |
10714 | { | |
10715 | return !((a - b) & 0x80000000); | |
10716 | } | |
10717 | ||
10718 | static bool page_flip_finished(struct intel_crtc *crtc) | |
10719 | { | |
10720 | struct drm_device *dev = crtc->base.dev; | |
10721 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10722 | ||
bdfa7542 VS |
10723 | if (i915_reset_in_progress(&dev_priv->gpu_error) || |
10724 | crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter)) | |
10725 | return true; | |
10726 | ||
75f7f3ec VS |
10727 | /* |
10728 | * The relevant registers doen't exist on pre-ctg. | |
10729 | * As the flip done interrupt doesn't trigger for mmio | |
10730 | * flips on gmch platforms, a flip count check isn't | |
10731 | * really needed there. But since ctg has the registers, | |
10732 | * include it in the check anyway. | |
10733 | */ | |
10734 | if (INTEL_INFO(dev)->gen < 5 && !IS_G4X(dev)) | |
10735 | return true; | |
10736 | ||
10737 | /* | |
10738 | * A DSPSURFLIVE check isn't enough in case the mmio and CS flips | |
10739 | * used the same base address. In that case the mmio flip might | |
10740 | * have completed, but the CS hasn't even executed the flip yet. | |
10741 | * | |
10742 | * A flip count check isn't enough as the CS might have updated | |
10743 | * the base address just after start of vblank, but before we | |
10744 | * managed to process the interrupt. This means we'd complete the | |
10745 | * CS flip too soon. | |
10746 | * | |
10747 | * Combining both checks should get us a good enough result. It may | |
10748 | * still happen that the CS flip has been executed, but has not | |
10749 | * yet actually completed. But in case the base address is the same | |
10750 | * anyway, we don't really care. | |
10751 | */ | |
10752 | return (I915_READ(DSPSURFLIVE(crtc->plane)) & ~0xfff) == | |
10753 | crtc->unpin_work->gtt_offset && | |
10754 | g4x_flip_count_after_eq(I915_READ(PIPE_FLIPCOUNT_GM45(crtc->pipe)), | |
10755 | crtc->unpin_work->flip_count); | |
10756 | } | |
10757 | ||
6b95a207 KH |
10758 | void intel_prepare_page_flip(struct drm_device *dev, int plane) |
10759 | { | |
fbee40df | 10760 | struct drm_i915_private *dev_priv = dev->dev_private; |
6b95a207 KH |
10761 | struct intel_crtc *intel_crtc = |
10762 | to_intel_crtc(dev_priv->plane_to_crtc_mapping[plane]); | |
10763 | unsigned long flags; | |
10764 | ||
f326038a DV |
10765 | |
10766 | /* | |
10767 | * This is called both by irq handlers and the reset code (to complete | |
10768 | * lost pageflips) so needs the full irqsave spinlocks. | |
10769 | * | |
10770 | * NB: An MMIO update of the plane base pointer will also | |
e7d841ca CW |
10771 | * generate a page-flip completion irq, i.e. every modeset |
10772 | * is also accompanied by a spurious intel_prepare_page_flip(). | |
10773 | */ | |
6b95a207 | 10774 | spin_lock_irqsave(&dev->event_lock, flags); |
75f7f3ec | 10775 | if (intel_crtc->unpin_work && page_flip_finished(intel_crtc)) |
e7d841ca | 10776 | atomic_inc_not_zero(&intel_crtc->unpin_work->pending); |
6b95a207 KH |
10777 | spin_unlock_irqrestore(&dev->event_lock, flags); |
10778 | } | |
10779 | ||
eba905b2 | 10780 | static inline void intel_mark_page_flip_active(struct intel_crtc *intel_crtc) |
e7d841ca CW |
10781 | { |
10782 | /* Ensure that the work item is consistent when activating it ... */ | |
10783 | smp_wmb(); | |
10784 | atomic_set(&intel_crtc->unpin_work->pending, INTEL_FLIP_PENDING); | |
10785 | /* and that it is marked active as soon as the irq could fire. */ | |
10786 | smp_wmb(); | |
10787 | } | |
10788 | ||
8c9f3aaf JB |
10789 | static int intel_gen2_queue_flip(struct drm_device *dev, |
10790 | struct drm_crtc *crtc, | |
10791 | struct drm_framebuffer *fb, | |
ed8d1975 | 10792 | struct drm_i915_gem_object *obj, |
6258fbe2 | 10793 | struct drm_i915_gem_request *req, |
ed8d1975 | 10794 | uint32_t flags) |
8c9f3aaf | 10795 | { |
6258fbe2 | 10796 | struct intel_engine_cs *ring = req->ring; |
8c9f3aaf | 10797 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8c9f3aaf JB |
10798 | u32 flip_mask; |
10799 | int ret; | |
10800 | ||
5fb9de1a | 10801 | ret = intel_ring_begin(req, 6); |
8c9f3aaf | 10802 | if (ret) |
4fa62c89 | 10803 | return ret; |
8c9f3aaf JB |
10804 | |
10805 | /* Can't queue multiple flips, so wait for the previous | |
10806 | * one to finish before executing the next. | |
10807 | */ | |
10808 | if (intel_crtc->plane) | |
10809 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
10810 | else | |
10811 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
6d90c952 DV |
10812 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
10813 | intel_ring_emit(ring, MI_NOOP); | |
10814 | intel_ring_emit(ring, MI_DISPLAY_FLIP | | |
10815 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
10816 | intel_ring_emit(ring, fb->pitches[0]); | |
75f7f3ec | 10817 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
6d90c952 | 10818 | intel_ring_emit(ring, 0); /* aux display base address, unused */ |
e7d841ca CW |
10819 | |
10820 | intel_mark_page_flip_active(intel_crtc); | |
83d4092b | 10821 | return 0; |
8c9f3aaf JB |
10822 | } |
10823 | ||
10824 | static int intel_gen3_queue_flip(struct drm_device *dev, | |
10825 | struct drm_crtc *crtc, | |
10826 | struct drm_framebuffer *fb, | |
ed8d1975 | 10827 | struct drm_i915_gem_object *obj, |
6258fbe2 | 10828 | struct drm_i915_gem_request *req, |
ed8d1975 | 10829 | uint32_t flags) |
8c9f3aaf | 10830 | { |
6258fbe2 | 10831 | struct intel_engine_cs *ring = req->ring; |
8c9f3aaf | 10832 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8c9f3aaf JB |
10833 | u32 flip_mask; |
10834 | int ret; | |
10835 | ||
5fb9de1a | 10836 | ret = intel_ring_begin(req, 6); |
8c9f3aaf | 10837 | if (ret) |
4fa62c89 | 10838 | return ret; |
8c9f3aaf JB |
10839 | |
10840 | if (intel_crtc->plane) | |
10841 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
10842 | else | |
10843 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
6d90c952 DV |
10844 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
10845 | intel_ring_emit(ring, MI_NOOP); | |
10846 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | | |
10847 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
10848 | intel_ring_emit(ring, fb->pitches[0]); | |
75f7f3ec | 10849 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
6d90c952 DV |
10850 | intel_ring_emit(ring, MI_NOOP); |
10851 | ||
e7d841ca | 10852 | intel_mark_page_flip_active(intel_crtc); |
83d4092b | 10853 | return 0; |
8c9f3aaf JB |
10854 | } |
10855 | ||
10856 | static int intel_gen4_queue_flip(struct drm_device *dev, | |
10857 | struct drm_crtc *crtc, | |
10858 | struct drm_framebuffer *fb, | |
ed8d1975 | 10859 | struct drm_i915_gem_object *obj, |
6258fbe2 | 10860 | struct drm_i915_gem_request *req, |
ed8d1975 | 10861 | uint32_t flags) |
8c9f3aaf | 10862 | { |
6258fbe2 | 10863 | struct intel_engine_cs *ring = req->ring; |
8c9f3aaf JB |
10864 | struct drm_i915_private *dev_priv = dev->dev_private; |
10865 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
10866 | uint32_t pf, pipesrc; | |
10867 | int ret; | |
10868 | ||
5fb9de1a | 10869 | ret = intel_ring_begin(req, 4); |
8c9f3aaf | 10870 | if (ret) |
4fa62c89 | 10871 | return ret; |
8c9f3aaf JB |
10872 | |
10873 | /* i965+ uses the linear or tiled offsets from the | |
10874 | * Display Registers (which do not change across a page-flip) | |
10875 | * so we need only reprogram the base address. | |
10876 | */ | |
6d90c952 DV |
10877 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
10878 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
10879 | intel_ring_emit(ring, fb->pitches[0]); | |
75f7f3ec | 10880 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset | |
c2c75131 | 10881 | obj->tiling_mode); |
8c9f3aaf JB |
10882 | |
10883 | /* XXX Enabling the panel-fitter across page-flip is so far | |
10884 | * untested on non-native modes, so ignore it for now. | |
10885 | * pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE; | |
10886 | */ | |
10887 | pf = 0; | |
10888 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; | |
6d90c952 | 10889 | intel_ring_emit(ring, pf | pipesrc); |
e7d841ca CW |
10890 | |
10891 | intel_mark_page_flip_active(intel_crtc); | |
83d4092b | 10892 | return 0; |
8c9f3aaf JB |
10893 | } |
10894 | ||
10895 | static int intel_gen6_queue_flip(struct drm_device *dev, | |
10896 | struct drm_crtc *crtc, | |
10897 | struct drm_framebuffer *fb, | |
ed8d1975 | 10898 | struct drm_i915_gem_object *obj, |
6258fbe2 | 10899 | struct drm_i915_gem_request *req, |
ed8d1975 | 10900 | uint32_t flags) |
8c9f3aaf | 10901 | { |
6258fbe2 | 10902 | struct intel_engine_cs *ring = req->ring; |
8c9f3aaf JB |
10903 | struct drm_i915_private *dev_priv = dev->dev_private; |
10904 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
10905 | uint32_t pf, pipesrc; | |
10906 | int ret; | |
10907 | ||
5fb9de1a | 10908 | ret = intel_ring_begin(req, 4); |
8c9f3aaf | 10909 | if (ret) |
4fa62c89 | 10910 | return ret; |
8c9f3aaf | 10911 | |
6d90c952 DV |
10912 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
10913 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
10914 | intel_ring_emit(ring, fb->pitches[0] | obj->tiling_mode); | |
75f7f3ec | 10915 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
8c9f3aaf | 10916 | |
dc257cf1 DV |
10917 | /* Contrary to the suggestions in the documentation, |
10918 | * "Enable Panel Fitter" does not seem to be required when page | |
10919 | * flipping with a non-native mode, and worse causes a normal | |
10920 | * modeset to fail. | |
10921 | * pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE; | |
10922 | */ | |
10923 | pf = 0; | |
8c9f3aaf | 10924 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; |
6d90c952 | 10925 | intel_ring_emit(ring, pf | pipesrc); |
e7d841ca CW |
10926 | |
10927 | intel_mark_page_flip_active(intel_crtc); | |
83d4092b | 10928 | return 0; |
8c9f3aaf JB |
10929 | } |
10930 | ||
7c9017e5 JB |
10931 | static int intel_gen7_queue_flip(struct drm_device *dev, |
10932 | struct drm_crtc *crtc, | |
10933 | struct drm_framebuffer *fb, | |
ed8d1975 | 10934 | struct drm_i915_gem_object *obj, |
6258fbe2 | 10935 | struct drm_i915_gem_request *req, |
ed8d1975 | 10936 | uint32_t flags) |
7c9017e5 | 10937 | { |
6258fbe2 | 10938 | struct intel_engine_cs *ring = req->ring; |
7c9017e5 | 10939 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
cb05d8de | 10940 | uint32_t plane_bit = 0; |
ffe74d75 CW |
10941 | int len, ret; |
10942 | ||
eba905b2 | 10943 | switch (intel_crtc->plane) { |
cb05d8de DV |
10944 | case PLANE_A: |
10945 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_A; | |
10946 | break; | |
10947 | case PLANE_B: | |
10948 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_B; | |
10949 | break; | |
10950 | case PLANE_C: | |
10951 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_C; | |
10952 | break; | |
10953 | default: | |
10954 | WARN_ONCE(1, "unknown plane in flip command\n"); | |
4fa62c89 | 10955 | return -ENODEV; |
cb05d8de DV |
10956 | } |
10957 | ||
ffe74d75 | 10958 | len = 4; |
f476828a | 10959 | if (ring->id == RCS) { |
ffe74d75 | 10960 | len += 6; |
f476828a DL |
10961 | /* |
10962 | * On Gen 8, SRM is now taking an extra dword to accommodate | |
10963 | * 48bits addresses, and we need a NOOP for the batch size to | |
10964 | * stay even. | |
10965 | */ | |
10966 | if (IS_GEN8(dev)) | |
10967 | len += 2; | |
10968 | } | |
ffe74d75 | 10969 | |
f66fab8e VS |
10970 | /* |
10971 | * BSpec MI_DISPLAY_FLIP for IVB: | |
10972 | * "The full packet must be contained within the same cache line." | |
10973 | * | |
10974 | * Currently the LRI+SRM+MI_DISPLAY_FLIP all fit within the same | |
10975 | * cacheline, if we ever start emitting more commands before | |
10976 | * the MI_DISPLAY_FLIP we may need to first emit everything else, | |
10977 | * then do the cacheline alignment, and finally emit the | |
10978 | * MI_DISPLAY_FLIP. | |
10979 | */ | |
bba09b12 | 10980 | ret = intel_ring_cacheline_align(req); |
f66fab8e | 10981 | if (ret) |
4fa62c89 | 10982 | return ret; |
f66fab8e | 10983 | |
5fb9de1a | 10984 | ret = intel_ring_begin(req, len); |
7c9017e5 | 10985 | if (ret) |
4fa62c89 | 10986 | return ret; |
7c9017e5 | 10987 | |
ffe74d75 CW |
10988 | /* Unmask the flip-done completion message. Note that the bspec says that |
10989 | * we should do this for both the BCS and RCS, and that we must not unmask | |
10990 | * more than one flip event at any time (or ensure that one flip message | |
10991 | * can be sent by waiting for flip-done prior to queueing new flips). | |
10992 | * Experimentation says that BCS works despite DERRMR masking all | |
10993 | * flip-done completion events and that unmasking all planes at once | |
10994 | * for the RCS also doesn't appear to drop events. Setting the DERRMR | |
10995 | * to zero does lead to lockups within MI_DISPLAY_FLIP. | |
10996 | */ | |
10997 | if (ring->id == RCS) { | |
10998 | intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1)); | |
10999 | intel_ring_emit(ring, DERRMR); | |
11000 | intel_ring_emit(ring, ~(DERRMR_PIPEA_PRI_FLIP_DONE | | |
11001 | DERRMR_PIPEB_PRI_FLIP_DONE | | |
11002 | DERRMR_PIPEC_PRI_FLIP_DONE)); | |
f476828a DL |
11003 | if (IS_GEN8(dev)) |
11004 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM_GEN8(1) | | |
11005 | MI_SRM_LRM_GLOBAL_GTT); | |
11006 | else | |
11007 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM(1) | | |
11008 | MI_SRM_LRM_GLOBAL_GTT); | |
ffe74d75 CW |
11009 | intel_ring_emit(ring, DERRMR); |
11010 | intel_ring_emit(ring, ring->scratch.gtt_offset + 256); | |
f476828a DL |
11011 | if (IS_GEN8(dev)) { |
11012 | intel_ring_emit(ring, 0); | |
11013 | intel_ring_emit(ring, MI_NOOP); | |
11014 | } | |
ffe74d75 CW |
11015 | } |
11016 | ||
cb05d8de | 11017 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit); |
01f2c773 | 11018 | intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); |
75f7f3ec | 11019 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
7c9017e5 | 11020 | intel_ring_emit(ring, (MI_NOOP)); |
e7d841ca CW |
11021 | |
11022 | intel_mark_page_flip_active(intel_crtc); | |
83d4092b | 11023 | return 0; |
7c9017e5 JB |
11024 | } |
11025 | ||
84c33a64 SG |
11026 | static bool use_mmio_flip(struct intel_engine_cs *ring, |
11027 | struct drm_i915_gem_object *obj) | |
11028 | { | |
11029 | /* | |
11030 | * This is not being used for older platforms, because | |
11031 | * non-availability of flip done interrupt forces us to use | |
11032 | * CS flips. Older platforms derive flip done using some clever | |
11033 | * tricks involving the flip_pending status bits and vblank irqs. | |
11034 | * So using MMIO flips there would disrupt this mechanism. | |
11035 | */ | |
11036 | ||
8e09bf83 CW |
11037 | if (ring == NULL) |
11038 | return true; | |
11039 | ||
84c33a64 SG |
11040 | if (INTEL_INFO(ring->dev)->gen < 5) |
11041 | return false; | |
11042 | ||
11043 | if (i915.use_mmio_flip < 0) | |
11044 | return false; | |
11045 | else if (i915.use_mmio_flip > 0) | |
11046 | return true; | |
14bf993e OM |
11047 | else if (i915.enable_execlists) |
11048 | return true; | |
84c33a64 | 11049 | else |
b4716185 | 11050 | return ring != i915_gem_request_get_ring(obj->last_write_req); |
84c33a64 SG |
11051 | } |
11052 | ||
ff944564 DL |
11053 | static void skl_do_mmio_flip(struct intel_crtc *intel_crtc) |
11054 | { | |
11055 | struct drm_device *dev = intel_crtc->base.dev; | |
11056 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11057 | struct drm_framebuffer *fb = intel_crtc->base.primary->fb; | |
ff944564 DL |
11058 | const enum pipe pipe = intel_crtc->pipe; |
11059 | u32 ctl, stride; | |
11060 | ||
11061 | ctl = I915_READ(PLANE_CTL(pipe, 0)); | |
11062 | ctl &= ~PLANE_CTL_TILED_MASK; | |
2ebef630 TU |
11063 | switch (fb->modifier[0]) { |
11064 | case DRM_FORMAT_MOD_NONE: | |
11065 | break; | |
11066 | case I915_FORMAT_MOD_X_TILED: | |
ff944564 | 11067 | ctl |= PLANE_CTL_TILED_X; |
2ebef630 TU |
11068 | break; |
11069 | case I915_FORMAT_MOD_Y_TILED: | |
11070 | ctl |= PLANE_CTL_TILED_Y; | |
11071 | break; | |
11072 | case I915_FORMAT_MOD_Yf_TILED: | |
11073 | ctl |= PLANE_CTL_TILED_YF; | |
11074 | break; | |
11075 | default: | |
11076 | MISSING_CASE(fb->modifier[0]); | |
11077 | } | |
ff944564 DL |
11078 | |
11079 | /* | |
11080 | * The stride is either expressed as a multiple of 64 bytes chunks for | |
11081 | * linear buffers or in number of tiles for tiled buffers. | |
11082 | */ | |
2ebef630 TU |
11083 | stride = fb->pitches[0] / |
11084 | intel_fb_stride_alignment(dev, fb->modifier[0], | |
11085 | fb->pixel_format); | |
ff944564 DL |
11086 | |
11087 | /* | |
11088 | * Both PLANE_CTL and PLANE_STRIDE are not updated on vblank but on | |
11089 | * PLANE_SURF updates, the update is then guaranteed to be atomic. | |
11090 | */ | |
11091 | I915_WRITE(PLANE_CTL(pipe, 0), ctl); | |
11092 | I915_WRITE(PLANE_STRIDE(pipe, 0), stride); | |
11093 | ||
11094 | I915_WRITE(PLANE_SURF(pipe, 0), intel_crtc->unpin_work->gtt_offset); | |
11095 | POSTING_READ(PLANE_SURF(pipe, 0)); | |
11096 | } | |
11097 | ||
11098 | static void ilk_do_mmio_flip(struct intel_crtc *intel_crtc) | |
84c33a64 SG |
11099 | { |
11100 | struct drm_device *dev = intel_crtc->base.dev; | |
11101 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11102 | struct intel_framebuffer *intel_fb = | |
11103 | to_intel_framebuffer(intel_crtc->base.primary->fb); | |
11104 | struct drm_i915_gem_object *obj = intel_fb->obj; | |
11105 | u32 dspcntr; | |
11106 | u32 reg; | |
11107 | ||
84c33a64 SG |
11108 | reg = DSPCNTR(intel_crtc->plane); |
11109 | dspcntr = I915_READ(reg); | |
11110 | ||
c5d97472 DL |
11111 | if (obj->tiling_mode != I915_TILING_NONE) |
11112 | dspcntr |= DISPPLANE_TILED; | |
11113 | else | |
11114 | dspcntr &= ~DISPPLANE_TILED; | |
11115 | ||
84c33a64 SG |
11116 | I915_WRITE(reg, dspcntr); |
11117 | ||
11118 | I915_WRITE(DSPSURF(intel_crtc->plane), | |
11119 | intel_crtc->unpin_work->gtt_offset); | |
11120 | POSTING_READ(DSPSURF(intel_crtc->plane)); | |
84c33a64 | 11121 | |
ff944564 DL |
11122 | } |
11123 | ||
11124 | /* | |
11125 | * XXX: This is the temporary way to update the plane registers until we get | |
11126 | * around to using the usual plane update functions for MMIO flips | |
11127 | */ | |
11128 | static void intel_do_mmio_flip(struct intel_crtc *intel_crtc) | |
11129 | { | |
11130 | struct drm_device *dev = intel_crtc->base.dev; | |
11131 | bool atomic_update; | |
11132 | u32 start_vbl_count; | |
11133 | ||
11134 | intel_mark_page_flip_active(intel_crtc); | |
11135 | ||
11136 | atomic_update = intel_pipe_update_start(intel_crtc, &start_vbl_count); | |
11137 | ||
11138 | if (INTEL_INFO(dev)->gen >= 9) | |
11139 | skl_do_mmio_flip(intel_crtc); | |
11140 | else | |
11141 | /* use_mmio_flip() retricts MMIO flips to ilk+ */ | |
11142 | ilk_do_mmio_flip(intel_crtc); | |
11143 | ||
9362c7c5 ACO |
11144 | if (atomic_update) |
11145 | intel_pipe_update_end(intel_crtc, start_vbl_count); | |
84c33a64 SG |
11146 | } |
11147 | ||
9362c7c5 | 11148 | static void intel_mmio_flip_work_func(struct work_struct *work) |
84c33a64 | 11149 | { |
b2cfe0ab CW |
11150 | struct intel_mmio_flip *mmio_flip = |
11151 | container_of(work, struct intel_mmio_flip, work); | |
84c33a64 | 11152 | |
eed29a5b DV |
11153 | if (mmio_flip->req) |
11154 | WARN_ON(__i915_wait_request(mmio_flip->req, | |
b2cfe0ab | 11155 | mmio_flip->crtc->reset_counter, |
bcafc4e3 CW |
11156 | false, NULL, |
11157 | &mmio_flip->i915->rps.mmioflips)); | |
84c33a64 | 11158 | |
b2cfe0ab CW |
11159 | intel_do_mmio_flip(mmio_flip->crtc); |
11160 | ||
eed29a5b | 11161 | i915_gem_request_unreference__unlocked(mmio_flip->req); |
b2cfe0ab | 11162 | kfree(mmio_flip); |
84c33a64 SG |
11163 | } |
11164 | ||
11165 | static int intel_queue_mmio_flip(struct drm_device *dev, | |
11166 | struct drm_crtc *crtc, | |
11167 | struct drm_framebuffer *fb, | |
11168 | struct drm_i915_gem_object *obj, | |
11169 | struct intel_engine_cs *ring, | |
11170 | uint32_t flags) | |
11171 | { | |
b2cfe0ab CW |
11172 | struct intel_mmio_flip *mmio_flip; |
11173 | ||
11174 | mmio_flip = kmalloc(sizeof(*mmio_flip), GFP_KERNEL); | |
11175 | if (mmio_flip == NULL) | |
11176 | return -ENOMEM; | |
84c33a64 | 11177 | |
bcafc4e3 | 11178 | mmio_flip->i915 = to_i915(dev); |
eed29a5b | 11179 | mmio_flip->req = i915_gem_request_reference(obj->last_write_req); |
b2cfe0ab | 11180 | mmio_flip->crtc = to_intel_crtc(crtc); |
536f5b5e | 11181 | |
b2cfe0ab CW |
11182 | INIT_WORK(&mmio_flip->work, intel_mmio_flip_work_func); |
11183 | schedule_work(&mmio_flip->work); | |
84c33a64 | 11184 | |
84c33a64 SG |
11185 | return 0; |
11186 | } | |
11187 | ||
8c9f3aaf JB |
11188 | static int intel_default_queue_flip(struct drm_device *dev, |
11189 | struct drm_crtc *crtc, | |
11190 | struct drm_framebuffer *fb, | |
ed8d1975 | 11191 | struct drm_i915_gem_object *obj, |
6258fbe2 | 11192 | struct drm_i915_gem_request *req, |
ed8d1975 | 11193 | uint32_t flags) |
8c9f3aaf JB |
11194 | { |
11195 | return -ENODEV; | |
11196 | } | |
11197 | ||
d6bbafa1 CW |
11198 | static bool __intel_pageflip_stall_check(struct drm_device *dev, |
11199 | struct drm_crtc *crtc) | |
11200 | { | |
11201 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11202 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
11203 | struct intel_unpin_work *work = intel_crtc->unpin_work; | |
11204 | u32 addr; | |
11205 | ||
11206 | if (atomic_read(&work->pending) >= INTEL_FLIP_COMPLETE) | |
11207 | return true; | |
11208 | ||
11209 | if (!work->enable_stall_check) | |
11210 | return false; | |
11211 | ||
11212 | if (work->flip_ready_vblank == 0) { | |
3a8a946e DV |
11213 | if (work->flip_queued_req && |
11214 | !i915_gem_request_completed(work->flip_queued_req, true)) | |
d6bbafa1 CW |
11215 | return false; |
11216 | ||
1e3feefd | 11217 | work->flip_ready_vblank = drm_crtc_vblank_count(crtc); |
d6bbafa1 CW |
11218 | } |
11219 | ||
1e3feefd | 11220 | if (drm_crtc_vblank_count(crtc) - work->flip_ready_vblank < 3) |
d6bbafa1 CW |
11221 | return false; |
11222 | ||
11223 | /* Potential stall - if we see that the flip has happened, | |
11224 | * assume a missed interrupt. */ | |
11225 | if (INTEL_INFO(dev)->gen >= 4) | |
11226 | addr = I915_HI_DISPBASE(I915_READ(DSPSURF(intel_crtc->plane))); | |
11227 | else | |
11228 | addr = I915_READ(DSPADDR(intel_crtc->plane)); | |
11229 | ||
11230 | /* There is a potential issue here with a false positive after a flip | |
11231 | * to the same address. We could address this by checking for a | |
11232 | * non-incrementing frame counter. | |
11233 | */ | |
11234 | return addr == work->gtt_offset; | |
11235 | } | |
11236 | ||
11237 | void intel_check_page_flip(struct drm_device *dev, int pipe) | |
11238 | { | |
11239 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11240 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
11241 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6ad790c0 | 11242 | struct intel_unpin_work *work; |
f326038a | 11243 | |
6c51d46f | 11244 | WARN_ON(!in_interrupt()); |
d6bbafa1 CW |
11245 | |
11246 | if (crtc == NULL) | |
11247 | return; | |
11248 | ||
f326038a | 11249 | spin_lock(&dev->event_lock); |
6ad790c0 CW |
11250 | work = intel_crtc->unpin_work; |
11251 | if (work != NULL && __intel_pageflip_stall_check(dev, crtc)) { | |
d6bbafa1 | 11252 | WARN_ONCE(1, "Kicking stuck page flip: queued at %d, now %d\n", |
6ad790c0 | 11253 | work->flip_queued_vblank, drm_vblank_count(dev, pipe)); |
d6bbafa1 | 11254 | page_flip_completed(intel_crtc); |
6ad790c0 | 11255 | work = NULL; |
d6bbafa1 | 11256 | } |
6ad790c0 CW |
11257 | if (work != NULL && |
11258 | drm_vblank_count(dev, pipe) - work->flip_queued_vblank > 1) | |
11259 | intel_queue_rps_boost_for_request(dev, work->flip_queued_req); | |
f326038a | 11260 | spin_unlock(&dev->event_lock); |
d6bbafa1 CW |
11261 | } |
11262 | ||
6b95a207 KH |
11263 | static int intel_crtc_page_flip(struct drm_crtc *crtc, |
11264 | struct drm_framebuffer *fb, | |
ed8d1975 KP |
11265 | struct drm_pending_vblank_event *event, |
11266 | uint32_t page_flip_flags) | |
6b95a207 KH |
11267 | { |
11268 | struct drm_device *dev = crtc->dev; | |
11269 | struct drm_i915_private *dev_priv = dev->dev_private; | |
f4510a27 | 11270 | struct drm_framebuffer *old_fb = crtc->primary->fb; |
2ff8fde1 | 11271 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
6b95a207 | 11272 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
455a6808 | 11273 | struct drm_plane *primary = crtc->primary; |
a071fa00 | 11274 | enum pipe pipe = intel_crtc->pipe; |
6b95a207 | 11275 | struct intel_unpin_work *work; |
a4872ba6 | 11276 | struct intel_engine_cs *ring; |
cf5d8a46 | 11277 | bool mmio_flip; |
91af127f | 11278 | struct drm_i915_gem_request *request = NULL; |
52e68630 | 11279 | int ret; |
6b95a207 | 11280 | |
2ff8fde1 MR |
11281 | /* |
11282 | * drm_mode_page_flip_ioctl() should already catch this, but double | |
11283 | * check to be safe. In the future we may enable pageflipping from | |
11284 | * a disabled primary plane. | |
11285 | */ | |
11286 | if (WARN_ON(intel_fb_obj(old_fb) == NULL)) | |
11287 | return -EBUSY; | |
11288 | ||
e6a595d2 | 11289 | /* Can't change pixel format via MI display flips. */ |
f4510a27 | 11290 | if (fb->pixel_format != crtc->primary->fb->pixel_format) |
e6a595d2 VS |
11291 | return -EINVAL; |
11292 | ||
11293 | /* | |
11294 | * TILEOFF/LINOFF registers can't be changed via MI display flips. | |
11295 | * Note that pitch changes could also affect these register. | |
11296 | */ | |
11297 | if (INTEL_INFO(dev)->gen > 3 && | |
f4510a27 MR |
11298 | (fb->offsets[0] != crtc->primary->fb->offsets[0] || |
11299 | fb->pitches[0] != crtc->primary->fb->pitches[0])) | |
e6a595d2 VS |
11300 | return -EINVAL; |
11301 | ||
f900db47 CW |
11302 | if (i915_terminally_wedged(&dev_priv->gpu_error)) |
11303 | goto out_hang; | |
11304 | ||
b14c5679 | 11305 | work = kzalloc(sizeof(*work), GFP_KERNEL); |
6b95a207 KH |
11306 | if (work == NULL) |
11307 | return -ENOMEM; | |
11308 | ||
6b95a207 | 11309 | work->event = event; |
b4a98e57 | 11310 | work->crtc = crtc; |
ab8d6675 | 11311 | work->old_fb = old_fb; |
6b95a207 KH |
11312 | INIT_WORK(&work->work, intel_unpin_work_fn); |
11313 | ||
87b6b101 | 11314 | ret = drm_crtc_vblank_get(crtc); |
7317c75e JB |
11315 | if (ret) |
11316 | goto free_work; | |
11317 | ||
6b95a207 | 11318 | /* We borrow the event spin lock for protecting unpin_work */ |
5e2d7afc | 11319 | spin_lock_irq(&dev->event_lock); |
6b95a207 | 11320 | if (intel_crtc->unpin_work) { |
d6bbafa1 CW |
11321 | /* Before declaring the flip queue wedged, check if |
11322 | * the hardware completed the operation behind our backs. | |
11323 | */ | |
11324 | if (__intel_pageflip_stall_check(dev, crtc)) { | |
11325 | DRM_DEBUG_DRIVER("flip queue: previous flip completed, continuing\n"); | |
11326 | page_flip_completed(intel_crtc); | |
11327 | } else { | |
11328 | DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); | |
5e2d7afc | 11329 | spin_unlock_irq(&dev->event_lock); |
468f0b44 | 11330 | |
d6bbafa1 CW |
11331 | drm_crtc_vblank_put(crtc); |
11332 | kfree(work); | |
11333 | return -EBUSY; | |
11334 | } | |
6b95a207 KH |
11335 | } |
11336 | intel_crtc->unpin_work = work; | |
5e2d7afc | 11337 | spin_unlock_irq(&dev->event_lock); |
6b95a207 | 11338 | |
b4a98e57 CW |
11339 | if (atomic_read(&intel_crtc->unpin_work_count) >= 2) |
11340 | flush_workqueue(dev_priv->wq); | |
11341 | ||
75dfca80 | 11342 | /* Reference the objects for the scheduled work. */ |
ab8d6675 | 11343 | drm_framebuffer_reference(work->old_fb); |
05394f39 | 11344 | drm_gem_object_reference(&obj->base); |
6b95a207 | 11345 | |
f4510a27 | 11346 | crtc->primary->fb = fb; |
afd65eb4 | 11347 | update_state_fb(crtc->primary); |
1ed1f968 | 11348 | |
e1f99ce6 | 11349 | work->pending_flip_obj = obj; |
e1f99ce6 | 11350 | |
89ed88ba CW |
11351 | ret = i915_mutex_lock_interruptible(dev); |
11352 | if (ret) | |
11353 | goto cleanup; | |
11354 | ||
b4a98e57 | 11355 | atomic_inc(&intel_crtc->unpin_work_count); |
10d83730 | 11356 | intel_crtc->reset_counter = atomic_read(&dev_priv->gpu_error.reset_counter); |
e1f99ce6 | 11357 | |
75f7f3ec | 11358 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) |
a071fa00 | 11359 | work->flip_count = I915_READ(PIPE_FLIPCOUNT_GM45(pipe)) + 1; |
75f7f3ec | 11360 | |
4fa62c89 VS |
11361 | if (IS_VALLEYVIEW(dev)) { |
11362 | ring = &dev_priv->ring[BCS]; | |
ab8d6675 | 11363 | if (obj->tiling_mode != intel_fb_obj(work->old_fb)->tiling_mode) |
8e09bf83 CW |
11364 | /* vlv: DISPLAY_FLIP fails to change tiling */ |
11365 | ring = NULL; | |
48bf5b2d | 11366 | } else if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) { |
2a92d5bc | 11367 | ring = &dev_priv->ring[BCS]; |
4fa62c89 | 11368 | } else if (INTEL_INFO(dev)->gen >= 7) { |
b4716185 | 11369 | ring = i915_gem_request_get_ring(obj->last_write_req); |
4fa62c89 VS |
11370 | if (ring == NULL || ring->id != RCS) |
11371 | ring = &dev_priv->ring[BCS]; | |
11372 | } else { | |
11373 | ring = &dev_priv->ring[RCS]; | |
11374 | } | |
11375 | ||
cf5d8a46 CW |
11376 | mmio_flip = use_mmio_flip(ring, obj); |
11377 | ||
11378 | /* When using CS flips, we want to emit semaphores between rings. | |
11379 | * However, when using mmio flips we will create a task to do the | |
11380 | * synchronisation, so all we want here is to pin the framebuffer | |
11381 | * into the display plane and skip any waits. | |
11382 | */ | |
82bc3b2d | 11383 | ret = intel_pin_and_fence_fb_obj(crtc->primary, fb, |
cf5d8a46 | 11384 | crtc->primary->state, |
91af127f | 11385 | mmio_flip ? i915_gem_request_get_ring(obj->last_write_req) : ring, &request); |
8c9f3aaf JB |
11386 | if (ret) |
11387 | goto cleanup_pending; | |
6b95a207 | 11388 | |
121920fa TU |
11389 | work->gtt_offset = intel_plane_obj_offset(to_intel_plane(primary), obj) |
11390 | + intel_crtc->dspaddr_offset; | |
4fa62c89 | 11391 | |
cf5d8a46 | 11392 | if (mmio_flip) { |
84c33a64 SG |
11393 | ret = intel_queue_mmio_flip(dev, crtc, fb, obj, ring, |
11394 | page_flip_flags); | |
d6bbafa1 CW |
11395 | if (ret) |
11396 | goto cleanup_unpin; | |
11397 | ||
f06cc1b9 JH |
11398 | i915_gem_request_assign(&work->flip_queued_req, |
11399 | obj->last_write_req); | |
d6bbafa1 | 11400 | } else { |
6258fbe2 JH |
11401 | if (!request) { |
11402 | ret = i915_gem_request_alloc(ring, ring->default_context, &request); | |
11403 | if (ret) | |
11404 | goto cleanup_unpin; | |
11405 | } | |
11406 | ||
11407 | ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, request, | |
d6bbafa1 CW |
11408 | page_flip_flags); |
11409 | if (ret) | |
11410 | goto cleanup_unpin; | |
11411 | ||
6258fbe2 | 11412 | i915_gem_request_assign(&work->flip_queued_req, request); |
d6bbafa1 CW |
11413 | } |
11414 | ||
91af127f | 11415 | if (request) |
75289874 | 11416 | i915_add_request_no_flush(request); |
91af127f | 11417 | |
1e3feefd | 11418 | work->flip_queued_vblank = drm_crtc_vblank_count(crtc); |
d6bbafa1 | 11419 | work->enable_stall_check = true; |
4fa62c89 | 11420 | |
ab8d6675 | 11421 | i915_gem_track_fb(intel_fb_obj(work->old_fb), obj, |
a071fa00 DV |
11422 | INTEL_FRONTBUFFER_PRIMARY(pipe)); |
11423 | ||
7ff0ebcc | 11424 | intel_fbc_disable(dev); |
f99d7069 | 11425 | intel_frontbuffer_flip_prepare(dev, INTEL_FRONTBUFFER_PRIMARY(pipe)); |
6b95a207 KH |
11426 | mutex_unlock(&dev->struct_mutex); |
11427 | ||
e5510fac JB |
11428 | trace_i915_flip_request(intel_crtc->plane, obj); |
11429 | ||
6b95a207 | 11430 | return 0; |
96b099fd | 11431 | |
4fa62c89 | 11432 | cleanup_unpin: |
82bc3b2d | 11433 | intel_unpin_fb_obj(fb, crtc->primary->state); |
8c9f3aaf | 11434 | cleanup_pending: |
91af127f JH |
11435 | if (request) |
11436 | i915_gem_request_cancel(request); | |
b4a98e57 | 11437 | atomic_dec(&intel_crtc->unpin_work_count); |
89ed88ba CW |
11438 | mutex_unlock(&dev->struct_mutex); |
11439 | cleanup: | |
f4510a27 | 11440 | crtc->primary->fb = old_fb; |
afd65eb4 | 11441 | update_state_fb(crtc->primary); |
89ed88ba CW |
11442 | |
11443 | drm_gem_object_unreference_unlocked(&obj->base); | |
ab8d6675 | 11444 | drm_framebuffer_unreference(work->old_fb); |
96b099fd | 11445 | |
5e2d7afc | 11446 | spin_lock_irq(&dev->event_lock); |
96b099fd | 11447 | intel_crtc->unpin_work = NULL; |
5e2d7afc | 11448 | spin_unlock_irq(&dev->event_lock); |
96b099fd | 11449 | |
87b6b101 | 11450 | drm_crtc_vblank_put(crtc); |
7317c75e | 11451 | free_work: |
96b099fd CW |
11452 | kfree(work); |
11453 | ||
f900db47 | 11454 | if (ret == -EIO) { |
02e0efb5 ML |
11455 | struct drm_atomic_state *state; |
11456 | struct drm_plane_state *plane_state; | |
11457 | ||
f900db47 | 11458 | out_hang: |
02e0efb5 ML |
11459 | state = drm_atomic_state_alloc(dev); |
11460 | if (!state) | |
11461 | return -ENOMEM; | |
11462 | state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc); | |
11463 | ||
11464 | retry: | |
11465 | plane_state = drm_atomic_get_plane_state(state, primary); | |
11466 | ret = PTR_ERR_OR_ZERO(plane_state); | |
11467 | if (!ret) { | |
11468 | drm_atomic_set_fb_for_plane(plane_state, fb); | |
11469 | ||
11470 | ret = drm_atomic_set_crtc_for_plane(plane_state, crtc); | |
11471 | if (!ret) | |
11472 | ret = drm_atomic_commit(state); | |
11473 | } | |
11474 | ||
11475 | if (ret == -EDEADLK) { | |
11476 | drm_modeset_backoff(state->acquire_ctx); | |
11477 | drm_atomic_state_clear(state); | |
11478 | goto retry; | |
11479 | } | |
11480 | ||
11481 | if (ret) | |
11482 | drm_atomic_state_free(state); | |
11483 | ||
f0d3dad3 | 11484 | if (ret == 0 && event) { |
5e2d7afc | 11485 | spin_lock_irq(&dev->event_lock); |
a071fa00 | 11486 | drm_send_vblank_event(dev, pipe, event); |
5e2d7afc | 11487 | spin_unlock_irq(&dev->event_lock); |
f0d3dad3 | 11488 | } |
f900db47 | 11489 | } |
96b099fd | 11490 | return ret; |
6b95a207 KH |
11491 | } |
11492 | ||
da20eabd ML |
11493 | |
11494 | /** | |
11495 | * intel_wm_need_update - Check whether watermarks need updating | |
11496 | * @plane: drm plane | |
11497 | * @state: new plane state | |
11498 | * | |
11499 | * Check current plane state versus the new one to determine whether | |
11500 | * watermarks need to be recalculated. | |
11501 | * | |
11502 | * Returns true or false. | |
11503 | */ | |
11504 | static bool intel_wm_need_update(struct drm_plane *plane, | |
11505 | struct drm_plane_state *state) | |
11506 | { | |
11507 | /* Update watermarks on tiling changes. */ | |
11508 | if (!plane->state->fb || !state->fb || | |
11509 | plane->state->fb->modifier[0] != state->fb->modifier[0] || | |
11510 | plane->state->rotation != state->rotation) | |
11511 | return true; | |
11512 | ||
11513 | if (plane->state->crtc_w != state->crtc_w) | |
11514 | return true; | |
11515 | ||
11516 | return false; | |
11517 | } | |
11518 | ||
11519 | int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state, | |
11520 | struct drm_plane_state *plane_state) | |
11521 | { | |
11522 | struct drm_crtc *crtc = crtc_state->crtc; | |
11523 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
11524 | struct drm_plane *plane = plane_state->plane; | |
11525 | struct drm_device *dev = crtc->dev; | |
11526 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11527 | struct intel_plane_state *old_plane_state = | |
11528 | to_intel_plane_state(plane->state); | |
11529 | int idx = intel_crtc->base.base.id, ret; | |
11530 | int i = drm_plane_index(plane); | |
11531 | bool mode_changed = needs_modeset(crtc_state); | |
11532 | bool was_crtc_enabled = crtc->state->active; | |
11533 | bool is_crtc_enabled = crtc_state->active; | |
11534 | ||
11535 | bool turn_off, turn_on, visible, was_visible; | |
11536 | struct drm_framebuffer *fb = plane_state->fb; | |
11537 | ||
11538 | if (crtc_state && INTEL_INFO(dev)->gen >= 9 && | |
11539 | plane->type != DRM_PLANE_TYPE_CURSOR) { | |
11540 | ret = skl_update_scaler_plane( | |
11541 | to_intel_crtc_state(crtc_state), | |
11542 | to_intel_plane_state(plane_state)); | |
11543 | if (ret) | |
11544 | return ret; | |
11545 | } | |
11546 | ||
11547 | /* | |
11548 | * Disabling a plane is always okay; we just need to update | |
11549 | * fb tracking in a special way since cleanup_fb() won't | |
11550 | * get called by the plane helpers. | |
11551 | */ | |
11552 | if (old_plane_state->base.fb && !fb) | |
11553 | intel_crtc->atomic.disabled_planes |= 1 << i; | |
11554 | ||
da20eabd ML |
11555 | was_visible = old_plane_state->visible; |
11556 | visible = to_intel_plane_state(plane_state)->visible; | |
11557 | ||
11558 | if (!was_crtc_enabled && WARN_ON(was_visible)) | |
11559 | was_visible = false; | |
11560 | ||
11561 | if (!is_crtc_enabled && WARN_ON(visible)) | |
11562 | visible = false; | |
11563 | ||
11564 | if (!was_visible && !visible) | |
11565 | return 0; | |
11566 | ||
11567 | turn_off = was_visible && (!visible || mode_changed); | |
11568 | turn_on = visible && (!was_visible || mode_changed); | |
11569 | ||
11570 | DRM_DEBUG_ATOMIC("[CRTC:%i] has [PLANE:%i] with fb %i\n", idx, | |
11571 | plane->base.id, fb ? fb->base.id : -1); | |
11572 | ||
11573 | DRM_DEBUG_ATOMIC("[PLANE:%i] visible %i -> %i, off %i, on %i, ms %i\n", | |
11574 | plane->base.id, was_visible, visible, | |
11575 | turn_off, turn_on, mode_changed); | |
11576 | ||
11577 | if (intel_wm_need_update(plane, plane_state)) | |
11578 | intel_crtc->atomic.update_wm = true; | |
11579 | ||
11580 | switch (plane->type) { | |
11581 | case DRM_PLANE_TYPE_PRIMARY: | |
11582 | if (visible) | |
11583 | intel_crtc->atomic.fb_bits |= | |
11584 | INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe); | |
11585 | ||
11586 | intel_crtc->atomic.wait_for_flips = true; | |
11587 | intel_crtc->atomic.pre_disable_primary = turn_off; | |
11588 | intel_crtc->atomic.post_enable_primary = turn_on; | |
11589 | ||
11590 | if (turn_off) | |
11591 | intel_crtc->atomic.disable_fbc = true; | |
11592 | ||
11593 | /* | |
11594 | * FBC does not work on some platforms for rotated | |
11595 | * planes, so disable it when rotation is not 0 and | |
11596 | * update it when rotation is set back to 0. | |
11597 | * | |
11598 | * FIXME: This is redundant with the fbc update done in | |
11599 | * the primary plane enable function except that that | |
11600 | * one is done too late. We eventually need to unify | |
11601 | * this. | |
11602 | */ | |
11603 | ||
11604 | if (visible && | |
11605 | INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev) && | |
11606 | dev_priv->fbc.crtc == intel_crtc && | |
11607 | plane_state->rotation != BIT(DRM_ROTATE_0)) | |
11608 | intel_crtc->atomic.disable_fbc = true; | |
11609 | ||
11610 | /* | |
11611 | * BDW signals flip done immediately if the plane | |
11612 | * is disabled, even if the plane enable is already | |
11613 | * armed to occur at the next vblank :( | |
11614 | */ | |
11615 | if (turn_on && IS_BROADWELL(dev)) | |
11616 | intel_crtc->atomic.wait_vblank = true; | |
11617 | ||
11618 | intel_crtc->atomic.update_fbc |= visible || mode_changed; | |
11619 | break; | |
11620 | case DRM_PLANE_TYPE_CURSOR: | |
11621 | if (visible) | |
11622 | intel_crtc->atomic.fb_bits |= | |
11623 | INTEL_FRONTBUFFER_CURSOR(intel_crtc->pipe); | |
11624 | break; | |
11625 | case DRM_PLANE_TYPE_OVERLAY: | |
11626 | /* | |
11627 | * 'prepare' is never called when plane is being disabled, so | |
11628 | * we need to handle frontbuffer tracking as a special case | |
11629 | */ | |
11630 | if (visible) | |
11631 | intel_crtc->atomic.fb_bits |= | |
11632 | INTEL_FRONTBUFFER_SPRITE(intel_crtc->pipe); | |
11633 | ||
d032ffa0 | 11634 | if (turn_off && !mode_changed) { |
da20eabd ML |
11635 | intel_crtc->atomic.wait_vblank = true; |
11636 | intel_crtc->atomic.update_sprite_watermarks |= | |
11637 | 1 << i; | |
11638 | } | |
11639 | break; | |
11640 | } | |
11641 | return 0; | |
11642 | } | |
11643 | ||
6d3a1ce7 ML |
11644 | static bool encoders_cloneable(const struct intel_encoder *a, |
11645 | const struct intel_encoder *b) | |
11646 | { | |
11647 | /* masks could be asymmetric, so check both ways */ | |
11648 | return a == b || (a->cloneable & (1 << b->type) && | |
11649 | b->cloneable & (1 << a->type)); | |
11650 | } | |
11651 | ||
11652 | static bool check_single_encoder_cloning(struct drm_atomic_state *state, | |
11653 | struct intel_crtc *crtc, | |
11654 | struct intel_encoder *encoder) | |
11655 | { | |
11656 | struct intel_encoder *source_encoder; | |
11657 | struct drm_connector *connector; | |
11658 | struct drm_connector_state *connector_state; | |
11659 | int i; | |
11660 | ||
11661 | for_each_connector_in_state(state, connector, connector_state, i) { | |
11662 | if (connector_state->crtc != &crtc->base) | |
11663 | continue; | |
11664 | ||
11665 | source_encoder = | |
11666 | to_intel_encoder(connector_state->best_encoder); | |
11667 | if (!encoders_cloneable(encoder, source_encoder)) | |
11668 | return false; | |
11669 | } | |
11670 | ||
11671 | return true; | |
11672 | } | |
11673 | ||
11674 | static bool check_encoder_cloning(struct drm_atomic_state *state, | |
11675 | struct intel_crtc *crtc) | |
11676 | { | |
11677 | struct intel_encoder *encoder; | |
11678 | struct drm_connector *connector; | |
11679 | struct drm_connector_state *connector_state; | |
11680 | int i; | |
11681 | ||
11682 | for_each_connector_in_state(state, connector, connector_state, i) { | |
11683 | if (connector_state->crtc != &crtc->base) | |
11684 | continue; | |
11685 | ||
11686 | encoder = to_intel_encoder(connector_state->best_encoder); | |
11687 | if (!check_single_encoder_cloning(state, crtc, encoder)) | |
11688 | return false; | |
11689 | } | |
11690 | ||
11691 | return true; | |
11692 | } | |
11693 | ||
d032ffa0 ML |
11694 | static void intel_crtc_check_initial_planes(struct drm_crtc *crtc, |
11695 | struct drm_crtc_state *crtc_state) | |
11696 | { | |
11697 | struct intel_crtc_state *pipe_config = | |
11698 | to_intel_crtc_state(crtc_state); | |
11699 | struct drm_plane *p; | |
11700 | unsigned visible_mask = 0; | |
11701 | ||
11702 | drm_for_each_plane_mask(p, crtc->dev, crtc_state->plane_mask) { | |
11703 | struct drm_plane_state *plane_state = | |
11704 | drm_atomic_get_existing_plane_state(crtc_state->state, p); | |
11705 | ||
11706 | if (WARN_ON(!plane_state)) | |
11707 | continue; | |
11708 | ||
11709 | if (!plane_state->fb) | |
11710 | crtc_state->plane_mask &= | |
11711 | ~(1 << drm_plane_index(p)); | |
11712 | else if (to_intel_plane_state(plane_state)->visible) | |
11713 | visible_mask |= 1 << drm_plane_index(p); | |
11714 | } | |
11715 | ||
11716 | if (!visible_mask) | |
11717 | return; | |
11718 | ||
11719 | pipe_config->quirks &= ~PIPE_CONFIG_QUIRK_INITIAL_PLANES; | |
11720 | } | |
11721 | ||
6d3a1ce7 ML |
11722 | static int intel_crtc_atomic_check(struct drm_crtc *crtc, |
11723 | struct drm_crtc_state *crtc_state) | |
11724 | { | |
cf5a15be | 11725 | struct drm_device *dev = crtc->dev; |
ad421372 | 11726 | struct drm_i915_private *dev_priv = dev->dev_private; |
6d3a1ce7 | 11727 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
cf5a15be ML |
11728 | struct intel_crtc_state *pipe_config = |
11729 | to_intel_crtc_state(crtc_state); | |
6d3a1ce7 | 11730 | struct drm_atomic_state *state = crtc_state->state; |
ad421372 | 11731 | int ret, idx = crtc->base.id; |
6d3a1ce7 ML |
11732 | bool mode_changed = needs_modeset(crtc_state); |
11733 | ||
11734 | if (mode_changed && !check_encoder_cloning(state, intel_crtc)) { | |
11735 | DRM_DEBUG_KMS("rejecting invalid cloning configuration\n"); | |
11736 | return -EINVAL; | |
11737 | } | |
11738 | ||
11739 | I915_STATE_WARN(crtc->state->active != intel_crtc->active, | |
11740 | "[CRTC:%i] mismatch between state->active(%i) and crtc->active(%i)\n", | |
11741 | idx, crtc->state->active, intel_crtc->active); | |
11742 | ||
d032ffa0 ML |
11743 | /* plane mask is fixed up after all initial planes are calculated */ |
11744 | if (pipe_config->quirks & PIPE_CONFIG_QUIRK_INITIAL_PLANES) | |
11745 | intel_crtc_check_initial_planes(crtc, crtc_state); | |
11746 | ||
eddfcbcd ML |
11747 | if (mode_changed) |
11748 | intel_crtc->atomic.update_wm = !crtc_state->active; | |
11749 | ||
ad421372 ML |
11750 | if (mode_changed && crtc_state->enable && |
11751 | dev_priv->display.crtc_compute_clock && | |
11752 | !WARN_ON(pipe_config->shared_dpll != DPLL_ID_PRIVATE)) { | |
11753 | ret = dev_priv->display.crtc_compute_clock(intel_crtc, | |
11754 | pipe_config); | |
11755 | if (ret) | |
11756 | return ret; | |
11757 | } | |
11758 | ||
cf5a15be | 11759 | return intel_atomic_setup_scalers(dev, intel_crtc, pipe_config); |
6d3a1ce7 ML |
11760 | } |
11761 | ||
65b38e0d | 11762 | static const struct drm_crtc_helper_funcs intel_helper_funcs = { |
f6e5b160 CW |
11763 | .mode_set_base_atomic = intel_pipe_set_base_atomic, |
11764 | .load_lut = intel_crtc_load_lut, | |
ea2c67bb MR |
11765 | .atomic_begin = intel_begin_crtc_commit, |
11766 | .atomic_flush = intel_finish_crtc_commit, | |
6d3a1ce7 | 11767 | .atomic_check = intel_crtc_atomic_check, |
f6e5b160 CW |
11768 | }; |
11769 | ||
9a935856 DV |
11770 | /** |
11771 | * intel_modeset_update_staged_output_state | |
11772 | * | |
11773 | * Updates the staged output configuration state, e.g. after we've read out the | |
11774 | * current hw state. | |
11775 | */ | |
11776 | static void intel_modeset_update_staged_output_state(struct drm_device *dev) | |
f6e5b160 | 11777 | { |
7668851f | 11778 | struct intel_crtc *crtc; |
9a935856 DV |
11779 | struct intel_encoder *encoder; |
11780 | struct intel_connector *connector; | |
f6e5b160 | 11781 | |
3a3371ff | 11782 | for_each_intel_connector(dev, connector) { |
9a935856 DV |
11783 | connector->new_encoder = |
11784 | to_intel_encoder(connector->base.encoder); | |
11785 | } | |
f6e5b160 | 11786 | |
b2784e15 | 11787 | for_each_intel_encoder(dev, encoder) { |
9a935856 DV |
11788 | encoder->new_crtc = |
11789 | to_intel_crtc(encoder->base.crtc); | |
11790 | } | |
7668851f | 11791 | |
d3fcc808 | 11792 | for_each_intel_crtc(dev, crtc) { |
83d65738 | 11793 | crtc->new_enabled = crtc->base.state->enable; |
7668851f | 11794 | } |
f6e5b160 CW |
11795 | } |
11796 | ||
d29b2f9d ACO |
11797 | /* Transitional helper to copy current connector/encoder state to |
11798 | * connector->state. This is needed so that code that is partially | |
11799 | * converted to atomic does the right thing. | |
11800 | */ | |
11801 | static void intel_modeset_update_connector_atomic_state(struct drm_device *dev) | |
11802 | { | |
11803 | struct intel_connector *connector; | |
11804 | ||
11805 | for_each_intel_connector(dev, connector) { | |
11806 | if (connector->base.encoder) { | |
11807 | connector->base.state->best_encoder = | |
11808 | connector->base.encoder; | |
11809 | connector->base.state->crtc = | |
11810 | connector->base.encoder->crtc; | |
11811 | } else { | |
11812 | connector->base.state->best_encoder = NULL; | |
11813 | connector->base.state->crtc = NULL; | |
11814 | } | |
11815 | } | |
11816 | } | |
11817 | ||
050f7aeb | 11818 | static void |
eba905b2 | 11819 | connected_sink_compute_bpp(struct intel_connector *connector, |
5cec258b | 11820 | struct intel_crtc_state *pipe_config) |
050f7aeb DV |
11821 | { |
11822 | int bpp = pipe_config->pipe_bpp; | |
11823 | ||
11824 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] checking for sink bpp constrains\n", | |
11825 | connector->base.base.id, | |
c23cc417 | 11826 | connector->base.name); |
050f7aeb DV |
11827 | |
11828 | /* Don't use an invalid EDID bpc value */ | |
11829 | if (connector->base.display_info.bpc && | |
11830 | connector->base.display_info.bpc * 3 < bpp) { | |
11831 | DRM_DEBUG_KMS("clamping display bpp (was %d) to EDID reported max of %d\n", | |
11832 | bpp, connector->base.display_info.bpc*3); | |
11833 | pipe_config->pipe_bpp = connector->base.display_info.bpc*3; | |
11834 | } | |
11835 | ||
11836 | /* Clamp bpp to 8 on screens without EDID 1.4 */ | |
11837 | if (connector->base.display_info.bpc == 0 && bpp > 24) { | |
11838 | DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of 24\n", | |
11839 | bpp); | |
11840 | pipe_config->pipe_bpp = 24; | |
11841 | } | |
11842 | } | |
11843 | ||
4e53c2e0 | 11844 | static int |
050f7aeb | 11845 | compute_baseline_pipe_bpp(struct intel_crtc *crtc, |
5cec258b | 11846 | struct intel_crtc_state *pipe_config) |
4e53c2e0 | 11847 | { |
050f7aeb | 11848 | struct drm_device *dev = crtc->base.dev; |
1486017f | 11849 | struct drm_atomic_state *state; |
da3ced29 ACO |
11850 | struct drm_connector *connector; |
11851 | struct drm_connector_state *connector_state; | |
1486017f | 11852 | int bpp, i; |
4e53c2e0 | 11853 | |
d328c9d7 | 11854 | if ((IS_G4X(dev) || IS_VALLEYVIEW(dev))) |
4e53c2e0 | 11855 | bpp = 10*3; |
d328c9d7 DV |
11856 | else if (INTEL_INFO(dev)->gen >= 5) |
11857 | bpp = 12*3; | |
11858 | else | |
11859 | bpp = 8*3; | |
11860 | ||
4e53c2e0 | 11861 | |
4e53c2e0 DV |
11862 | pipe_config->pipe_bpp = bpp; |
11863 | ||
1486017f ACO |
11864 | state = pipe_config->base.state; |
11865 | ||
4e53c2e0 | 11866 | /* Clamp display bpp to EDID value */ |
da3ced29 ACO |
11867 | for_each_connector_in_state(state, connector, connector_state, i) { |
11868 | if (connector_state->crtc != &crtc->base) | |
4e53c2e0 DV |
11869 | continue; |
11870 | ||
da3ced29 ACO |
11871 | connected_sink_compute_bpp(to_intel_connector(connector), |
11872 | pipe_config); | |
4e53c2e0 DV |
11873 | } |
11874 | ||
11875 | return bpp; | |
11876 | } | |
11877 | ||
644db711 DV |
11878 | static void intel_dump_crtc_timings(const struct drm_display_mode *mode) |
11879 | { | |
11880 | DRM_DEBUG_KMS("crtc timings: %d %d %d %d %d %d %d %d %d, " | |
11881 | "type: 0x%x flags: 0x%x\n", | |
1342830c | 11882 | mode->crtc_clock, |
644db711 DV |
11883 | mode->crtc_hdisplay, mode->crtc_hsync_start, |
11884 | mode->crtc_hsync_end, mode->crtc_htotal, | |
11885 | mode->crtc_vdisplay, mode->crtc_vsync_start, | |
11886 | mode->crtc_vsync_end, mode->crtc_vtotal, mode->type, mode->flags); | |
11887 | } | |
11888 | ||
c0b03411 | 11889 | static void intel_dump_pipe_config(struct intel_crtc *crtc, |
5cec258b | 11890 | struct intel_crtc_state *pipe_config, |
c0b03411 DV |
11891 | const char *context) |
11892 | { | |
6a60cd87 CK |
11893 | struct drm_device *dev = crtc->base.dev; |
11894 | struct drm_plane *plane; | |
11895 | struct intel_plane *intel_plane; | |
11896 | struct intel_plane_state *state; | |
11897 | struct drm_framebuffer *fb; | |
11898 | ||
11899 | DRM_DEBUG_KMS("[CRTC:%d]%s config %p for pipe %c\n", crtc->base.base.id, | |
11900 | context, pipe_config, pipe_name(crtc->pipe)); | |
c0b03411 DV |
11901 | |
11902 | DRM_DEBUG_KMS("cpu_transcoder: %c\n", transcoder_name(pipe_config->cpu_transcoder)); | |
11903 | DRM_DEBUG_KMS("pipe bpp: %i, dithering: %i\n", | |
11904 | pipe_config->pipe_bpp, pipe_config->dither); | |
11905 | DRM_DEBUG_KMS("fdi/pch: %i, lanes: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", | |
11906 | pipe_config->has_pch_encoder, | |
11907 | pipe_config->fdi_lanes, | |
11908 | pipe_config->fdi_m_n.gmch_m, pipe_config->fdi_m_n.gmch_n, | |
11909 | pipe_config->fdi_m_n.link_m, pipe_config->fdi_m_n.link_n, | |
11910 | pipe_config->fdi_m_n.tu); | |
eb14cb74 VS |
11911 | DRM_DEBUG_KMS("dp: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", |
11912 | pipe_config->has_dp_encoder, | |
11913 | pipe_config->dp_m_n.gmch_m, pipe_config->dp_m_n.gmch_n, | |
11914 | pipe_config->dp_m_n.link_m, pipe_config->dp_m_n.link_n, | |
11915 | pipe_config->dp_m_n.tu); | |
b95af8be VK |
11916 | |
11917 | DRM_DEBUG_KMS("dp: %i, gmch_m2: %u, gmch_n2: %u, link_m2: %u, link_n2: %u, tu2: %u\n", | |
11918 | pipe_config->has_dp_encoder, | |
11919 | pipe_config->dp_m2_n2.gmch_m, | |
11920 | pipe_config->dp_m2_n2.gmch_n, | |
11921 | pipe_config->dp_m2_n2.link_m, | |
11922 | pipe_config->dp_m2_n2.link_n, | |
11923 | pipe_config->dp_m2_n2.tu); | |
11924 | ||
55072d19 DV |
11925 | DRM_DEBUG_KMS("audio: %i, infoframes: %i\n", |
11926 | pipe_config->has_audio, | |
11927 | pipe_config->has_infoframe); | |
11928 | ||
c0b03411 | 11929 | DRM_DEBUG_KMS("requested mode:\n"); |
2d112de7 | 11930 | drm_mode_debug_printmodeline(&pipe_config->base.mode); |
c0b03411 | 11931 | DRM_DEBUG_KMS("adjusted mode:\n"); |
2d112de7 ACO |
11932 | drm_mode_debug_printmodeline(&pipe_config->base.adjusted_mode); |
11933 | intel_dump_crtc_timings(&pipe_config->base.adjusted_mode); | |
d71b8d4a | 11934 | DRM_DEBUG_KMS("port clock: %d\n", pipe_config->port_clock); |
37327abd VS |
11935 | DRM_DEBUG_KMS("pipe src size: %dx%d\n", |
11936 | pipe_config->pipe_src_w, pipe_config->pipe_src_h); | |
0ec463d3 TU |
11937 | DRM_DEBUG_KMS("num_scalers: %d, scaler_users: 0x%x, scaler_id: %d\n", |
11938 | crtc->num_scalers, | |
11939 | pipe_config->scaler_state.scaler_users, | |
11940 | pipe_config->scaler_state.scaler_id); | |
c0b03411 DV |
11941 | DRM_DEBUG_KMS("gmch pfit: control: 0x%08x, ratios: 0x%08x, lvds border: 0x%08x\n", |
11942 | pipe_config->gmch_pfit.control, | |
11943 | pipe_config->gmch_pfit.pgm_ratios, | |
11944 | pipe_config->gmch_pfit.lvds_border_bits); | |
fd4daa9c | 11945 | DRM_DEBUG_KMS("pch pfit: pos: 0x%08x, size: 0x%08x, %s\n", |
c0b03411 | 11946 | pipe_config->pch_pfit.pos, |
fd4daa9c CW |
11947 | pipe_config->pch_pfit.size, |
11948 | pipe_config->pch_pfit.enabled ? "enabled" : "disabled"); | |
42db64ef | 11949 | DRM_DEBUG_KMS("ips: %i\n", pipe_config->ips_enabled); |
cf532bb2 | 11950 | DRM_DEBUG_KMS("double wide: %i\n", pipe_config->double_wide); |
6a60cd87 | 11951 | |
415ff0f6 TU |
11952 | if (IS_BROXTON(dev)) { |
11953 | DRM_DEBUG_KMS("ddi_pll_sel: %u; dpll_hw_state: ebb0: 0x%x, " | |
11954 | "pll0: 0x%x, pll1: 0x%x, pll2: 0x%x, pll3: 0x%x, " | |
11955 | "pll6: 0x%x, pll8: 0x%x, pcsdw12: 0x%x\n", | |
11956 | pipe_config->ddi_pll_sel, | |
11957 | pipe_config->dpll_hw_state.ebb0, | |
11958 | pipe_config->dpll_hw_state.pll0, | |
11959 | pipe_config->dpll_hw_state.pll1, | |
11960 | pipe_config->dpll_hw_state.pll2, | |
11961 | pipe_config->dpll_hw_state.pll3, | |
11962 | pipe_config->dpll_hw_state.pll6, | |
11963 | pipe_config->dpll_hw_state.pll8, | |
11964 | pipe_config->dpll_hw_state.pcsdw12); | |
11965 | } else if (IS_SKYLAKE(dev)) { | |
11966 | DRM_DEBUG_KMS("ddi_pll_sel: %u; dpll_hw_state: " | |
11967 | "ctrl1: 0x%x, cfgcr1: 0x%x, cfgcr2: 0x%x\n", | |
11968 | pipe_config->ddi_pll_sel, | |
11969 | pipe_config->dpll_hw_state.ctrl1, | |
11970 | pipe_config->dpll_hw_state.cfgcr1, | |
11971 | pipe_config->dpll_hw_state.cfgcr2); | |
11972 | } else if (HAS_DDI(dev)) { | |
11973 | DRM_DEBUG_KMS("ddi_pll_sel: %u; dpll_hw_state: wrpll: 0x%x\n", | |
11974 | pipe_config->ddi_pll_sel, | |
11975 | pipe_config->dpll_hw_state.wrpll); | |
11976 | } else { | |
11977 | DRM_DEBUG_KMS("dpll_hw_state: dpll: 0x%x, dpll_md: 0x%x, " | |
11978 | "fp0: 0x%x, fp1: 0x%x\n", | |
11979 | pipe_config->dpll_hw_state.dpll, | |
11980 | pipe_config->dpll_hw_state.dpll_md, | |
11981 | pipe_config->dpll_hw_state.fp0, | |
11982 | pipe_config->dpll_hw_state.fp1); | |
11983 | } | |
11984 | ||
6a60cd87 CK |
11985 | DRM_DEBUG_KMS("planes on this crtc\n"); |
11986 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { | |
11987 | intel_plane = to_intel_plane(plane); | |
11988 | if (intel_plane->pipe != crtc->pipe) | |
11989 | continue; | |
11990 | ||
11991 | state = to_intel_plane_state(plane->state); | |
11992 | fb = state->base.fb; | |
11993 | if (!fb) { | |
11994 | DRM_DEBUG_KMS("%s PLANE:%d plane: %u.%u idx: %d " | |
11995 | "disabled, scaler_id = %d\n", | |
11996 | plane->type == DRM_PLANE_TYPE_CURSOR ? "CURSOR" : "STANDARD", | |
11997 | plane->base.id, intel_plane->pipe, | |
11998 | (crtc->base.primary == plane) ? 0 : intel_plane->plane + 1, | |
11999 | drm_plane_index(plane), state->scaler_id); | |
12000 | continue; | |
12001 | } | |
12002 | ||
12003 | DRM_DEBUG_KMS("%s PLANE:%d plane: %u.%u idx: %d enabled", | |
12004 | plane->type == DRM_PLANE_TYPE_CURSOR ? "CURSOR" : "STANDARD", | |
12005 | plane->base.id, intel_plane->pipe, | |
12006 | crtc->base.primary == plane ? 0 : intel_plane->plane + 1, | |
12007 | drm_plane_index(plane)); | |
12008 | DRM_DEBUG_KMS("\tFB:%d, fb = %ux%u format = 0x%x", | |
12009 | fb->base.id, fb->width, fb->height, fb->pixel_format); | |
12010 | DRM_DEBUG_KMS("\tscaler:%d src (%u, %u) %ux%u dst (%u, %u) %ux%u\n", | |
12011 | state->scaler_id, | |
12012 | state->src.x1 >> 16, state->src.y1 >> 16, | |
12013 | drm_rect_width(&state->src) >> 16, | |
12014 | drm_rect_height(&state->src) >> 16, | |
12015 | state->dst.x1, state->dst.y1, | |
12016 | drm_rect_width(&state->dst), drm_rect_height(&state->dst)); | |
12017 | } | |
c0b03411 DV |
12018 | } |
12019 | ||
5448a00d | 12020 | static bool check_digital_port_conflicts(struct drm_atomic_state *state) |
00f0b378 | 12021 | { |
5448a00d ACO |
12022 | struct drm_device *dev = state->dev; |
12023 | struct intel_encoder *encoder; | |
da3ced29 | 12024 | struct drm_connector *connector; |
5448a00d | 12025 | struct drm_connector_state *connector_state; |
00f0b378 | 12026 | unsigned int used_ports = 0; |
5448a00d | 12027 | int i; |
00f0b378 VS |
12028 | |
12029 | /* | |
12030 | * Walk the connector list instead of the encoder | |
12031 | * list to detect the problem on ddi platforms | |
12032 | * where there's just one encoder per digital port. | |
12033 | */ | |
da3ced29 | 12034 | for_each_connector_in_state(state, connector, connector_state, i) { |
5448a00d | 12035 | if (!connector_state->best_encoder) |
00f0b378 VS |
12036 | continue; |
12037 | ||
5448a00d ACO |
12038 | encoder = to_intel_encoder(connector_state->best_encoder); |
12039 | ||
12040 | WARN_ON(!connector_state->crtc); | |
00f0b378 VS |
12041 | |
12042 | switch (encoder->type) { | |
12043 | unsigned int port_mask; | |
12044 | case INTEL_OUTPUT_UNKNOWN: | |
12045 | if (WARN_ON(!HAS_DDI(dev))) | |
12046 | break; | |
12047 | case INTEL_OUTPUT_DISPLAYPORT: | |
12048 | case INTEL_OUTPUT_HDMI: | |
12049 | case INTEL_OUTPUT_EDP: | |
12050 | port_mask = 1 << enc_to_dig_port(&encoder->base)->port; | |
12051 | ||
12052 | /* the same port mustn't appear more than once */ | |
12053 | if (used_ports & port_mask) | |
12054 | return false; | |
12055 | ||
12056 | used_ports |= port_mask; | |
12057 | default: | |
12058 | break; | |
12059 | } | |
12060 | } | |
12061 | ||
12062 | return true; | |
12063 | } | |
12064 | ||
83a57153 ACO |
12065 | static void |
12066 | clear_intel_crtc_state(struct intel_crtc_state *crtc_state) | |
12067 | { | |
12068 | struct drm_crtc_state tmp_state; | |
663a3640 | 12069 | struct intel_crtc_scaler_state scaler_state; |
4978cc93 ACO |
12070 | struct intel_dpll_hw_state dpll_hw_state; |
12071 | enum intel_dpll_id shared_dpll; | |
8504c74c | 12072 | uint32_t ddi_pll_sel; |
83a57153 | 12073 | |
7546a384 ACO |
12074 | /* FIXME: before the switch to atomic started, a new pipe_config was |
12075 | * kzalloc'd. Code that depends on any field being zero should be | |
12076 | * fixed, so that the crtc_state can be safely duplicated. For now, | |
12077 | * only fields that are know to not cause problems are preserved. */ | |
12078 | ||
83a57153 | 12079 | tmp_state = crtc_state->base; |
663a3640 | 12080 | scaler_state = crtc_state->scaler_state; |
4978cc93 ACO |
12081 | shared_dpll = crtc_state->shared_dpll; |
12082 | dpll_hw_state = crtc_state->dpll_hw_state; | |
8504c74c | 12083 | ddi_pll_sel = crtc_state->ddi_pll_sel; |
4978cc93 | 12084 | |
83a57153 | 12085 | memset(crtc_state, 0, sizeof *crtc_state); |
4978cc93 | 12086 | |
83a57153 | 12087 | crtc_state->base = tmp_state; |
663a3640 | 12088 | crtc_state->scaler_state = scaler_state; |
4978cc93 ACO |
12089 | crtc_state->shared_dpll = shared_dpll; |
12090 | crtc_state->dpll_hw_state = dpll_hw_state; | |
8504c74c | 12091 | crtc_state->ddi_pll_sel = ddi_pll_sel; |
83a57153 ACO |
12092 | } |
12093 | ||
548ee15b | 12094 | static int |
b8cecdf5 | 12095 | intel_modeset_pipe_config(struct drm_crtc *crtc, |
b359283a | 12096 | struct intel_crtc_state *pipe_config) |
ee7b9f93 | 12097 | { |
b359283a | 12098 | struct drm_atomic_state *state = pipe_config->base.state; |
7758a113 | 12099 | struct intel_encoder *encoder; |
da3ced29 | 12100 | struct drm_connector *connector; |
0b901879 | 12101 | struct drm_connector_state *connector_state; |
d328c9d7 | 12102 | int base_bpp, ret = -EINVAL; |
0b901879 | 12103 | int i; |
e29c22c0 | 12104 | bool retry = true; |
ee7b9f93 | 12105 | |
83a57153 | 12106 | clear_intel_crtc_state(pipe_config); |
7758a113 | 12107 | |
e143a21c DV |
12108 | pipe_config->cpu_transcoder = |
12109 | (enum transcoder) to_intel_crtc(crtc)->pipe; | |
b8cecdf5 | 12110 | |
2960bc9c ID |
12111 | /* |
12112 | * Sanitize sync polarity flags based on requested ones. If neither | |
12113 | * positive or negative polarity is requested, treat this as meaning | |
12114 | * negative polarity. | |
12115 | */ | |
2d112de7 | 12116 | if (!(pipe_config->base.adjusted_mode.flags & |
2960bc9c | 12117 | (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NHSYNC))) |
2d112de7 | 12118 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_NHSYNC; |
2960bc9c | 12119 | |
2d112de7 | 12120 | if (!(pipe_config->base.adjusted_mode.flags & |
2960bc9c | 12121 | (DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC))) |
2d112de7 | 12122 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_NVSYNC; |
2960bc9c | 12123 | |
050f7aeb DV |
12124 | /* Compute a starting value for pipe_config->pipe_bpp taking the source |
12125 | * plane pixel format and any sink constraints into account. Returns the | |
12126 | * source plane bpp so that dithering can be selected on mismatches | |
12127 | * after encoders and crtc also have had their say. */ | |
d328c9d7 DV |
12128 | base_bpp = compute_baseline_pipe_bpp(to_intel_crtc(crtc), |
12129 | pipe_config); | |
12130 | if (base_bpp < 0) | |
4e53c2e0 DV |
12131 | goto fail; |
12132 | ||
e41a56be VS |
12133 | /* |
12134 | * Determine the real pipe dimensions. Note that stereo modes can | |
12135 | * increase the actual pipe size due to the frame doubling and | |
12136 | * insertion of additional space for blanks between the frame. This | |
12137 | * is stored in the crtc timings. We use the requested mode to do this | |
12138 | * computation to clearly distinguish it from the adjusted mode, which | |
12139 | * can be changed by the connectors in the below retry loop. | |
12140 | */ | |
2d112de7 | 12141 | drm_crtc_get_hv_timing(&pipe_config->base.mode, |
ecb7e16b GP |
12142 | &pipe_config->pipe_src_w, |
12143 | &pipe_config->pipe_src_h); | |
e41a56be | 12144 | |
e29c22c0 | 12145 | encoder_retry: |
ef1b460d | 12146 | /* Ensure the port clock defaults are reset when retrying. */ |
ff9a6750 | 12147 | pipe_config->port_clock = 0; |
ef1b460d | 12148 | pipe_config->pixel_multiplier = 1; |
ff9a6750 | 12149 | |
135c81b8 | 12150 | /* Fill in default crtc timings, allow encoders to overwrite them. */ |
2d112de7 ACO |
12151 | drm_mode_set_crtcinfo(&pipe_config->base.adjusted_mode, |
12152 | CRTC_STEREO_DOUBLE); | |
135c81b8 | 12153 | |
7758a113 DV |
12154 | /* Pass our mode to the connectors and the CRTC to give them a chance to |
12155 | * adjust it according to limitations or connector properties, and also | |
12156 | * a chance to reject the mode entirely. | |
47f1c6c9 | 12157 | */ |
da3ced29 | 12158 | for_each_connector_in_state(state, connector, connector_state, i) { |
0b901879 | 12159 | if (connector_state->crtc != crtc) |
7758a113 | 12160 | continue; |
7ae89233 | 12161 | |
0b901879 ACO |
12162 | encoder = to_intel_encoder(connector_state->best_encoder); |
12163 | ||
efea6e8e DV |
12164 | if (!(encoder->compute_config(encoder, pipe_config))) { |
12165 | DRM_DEBUG_KMS("Encoder config failure\n"); | |
7758a113 DV |
12166 | goto fail; |
12167 | } | |
ee7b9f93 | 12168 | } |
47f1c6c9 | 12169 | |
ff9a6750 DV |
12170 | /* Set default port clock if not overwritten by the encoder. Needs to be |
12171 | * done afterwards in case the encoder adjusts the mode. */ | |
12172 | if (!pipe_config->port_clock) | |
2d112de7 | 12173 | pipe_config->port_clock = pipe_config->base.adjusted_mode.crtc_clock |
241bfc38 | 12174 | * pipe_config->pixel_multiplier; |
ff9a6750 | 12175 | |
a43f6e0f | 12176 | ret = intel_crtc_compute_config(to_intel_crtc(crtc), pipe_config); |
e29c22c0 | 12177 | if (ret < 0) { |
7758a113 DV |
12178 | DRM_DEBUG_KMS("CRTC fixup failed\n"); |
12179 | goto fail; | |
ee7b9f93 | 12180 | } |
e29c22c0 DV |
12181 | |
12182 | if (ret == RETRY) { | |
12183 | if (WARN(!retry, "loop in pipe configuration computation\n")) { | |
12184 | ret = -EINVAL; | |
12185 | goto fail; | |
12186 | } | |
12187 | ||
12188 | DRM_DEBUG_KMS("CRTC bw constrained, retrying\n"); | |
12189 | retry = false; | |
12190 | goto encoder_retry; | |
12191 | } | |
12192 | ||
d328c9d7 | 12193 | pipe_config->dither = pipe_config->pipe_bpp != base_bpp; |
4e53c2e0 | 12194 | DRM_DEBUG_KMS("plane bpp: %i, pipe bpp: %i, dithering: %i\n", |
d328c9d7 | 12195 | base_bpp, pipe_config->pipe_bpp, pipe_config->dither); |
4e53c2e0 | 12196 | |
cdba954e ACO |
12197 | /* Check if we need to force a modeset */ |
12198 | if (pipe_config->has_audio != | |
85a96e7a | 12199 | to_intel_crtc_state(crtc->state)->has_audio) { |
cdba954e | 12200 | pipe_config->base.mode_changed = true; |
85a96e7a ML |
12201 | ret = drm_atomic_add_affected_planes(state, crtc); |
12202 | } | |
cdba954e ACO |
12203 | |
12204 | /* | |
12205 | * Note we have an issue here with infoframes: current code | |
12206 | * only updates them on the full mode set path per hw | |
12207 | * requirements. So here we should be checking for any | |
12208 | * required changes and forcing a mode set. | |
12209 | */ | |
7758a113 | 12210 | fail: |
548ee15b | 12211 | return ret; |
ee7b9f93 | 12212 | } |
47f1c6c9 | 12213 | |
ea9d758d | 12214 | static bool intel_crtc_in_use(struct drm_crtc *crtc) |
f6e5b160 | 12215 | { |
ea9d758d | 12216 | struct drm_encoder *encoder; |
f6e5b160 | 12217 | struct drm_device *dev = crtc->dev; |
f6e5b160 | 12218 | |
ea9d758d DV |
12219 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
12220 | if (encoder->crtc == crtc) | |
12221 | return true; | |
12222 | ||
12223 | return false; | |
12224 | } | |
12225 | ||
12226 | static void | |
0a9ab303 | 12227 | intel_modeset_update_state(struct drm_atomic_state *state) |
ea9d758d | 12228 | { |
0a9ab303 | 12229 | struct drm_device *dev = state->dev; |
ea9d758d | 12230 | struct intel_encoder *intel_encoder; |
0a9ab303 ACO |
12231 | struct drm_crtc *crtc; |
12232 | struct drm_crtc_state *crtc_state; | |
ea9d758d DV |
12233 | struct drm_connector *connector; |
12234 | ||
de419ab6 | 12235 | intel_shared_dpll_commit(state); |
ba41c0de | 12236 | |
b2784e15 | 12237 | for_each_intel_encoder(dev, intel_encoder) { |
ea9d758d DV |
12238 | if (!intel_encoder->base.crtc) |
12239 | continue; | |
12240 | ||
69024de8 ML |
12241 | crtc = intel_encoder->base.crtc; |
12242 | crtc_state = drm_atomic_get_existing_crtc_state(state, crtc); | |
12243 | if (!crtc_state || !needs_modeset(crtc->state)) | |
12244 | continue; | |
ea9d758d | 12245 | |
69024de8 | 12246 | intel_encoder->connectors_active = false; |
ea9d758d DV |
12247 | } |
12248 | ||
3cb480bc | 12249 | drm_atomic_helper_update_legacy_modeset_state(state->dev, state); |
f7217905 | 12250 | intel_modeset_update_staged_output_state(state->dev); |
ea9d758d | 12251 | |
7668851f | 12252 | /* Double check state. */ |
0a9ab303 ACO |
12253 | for_each_crtc(dev, crtc) { |
12254 | WARN_ON(crtc->state->enable != intel_crtc_in_use(crtc)); | |
3cb480bc ML |
12255 | |
12256 | to_intel_crtc(crtc)->config = to_intel_crtc_state(crtc->state); | |
fc467a22 ML |
12257 | |
12258 | /* Update hwmode for vblank functions */ | |
12259 | if (crtc->state->active) | |
12260 | crtc->hwmode = crtc->state->adjusted_mode; | |
12261 | else | |
12262 | crtc->hwmode.crtc_clock = 0; | |
ea9d758d DV |
12263 | } |
12264 | ||
12265 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
12266 | if (!connector->encoder || !connector->encoder->crtc) | |
12267 | continue; | |
12268 | ||
69024de8 ML |
12269 | crtc = connector->encoder->crtc; |
12270 | crtc_state = drm_atomic_get_existing_crtc_state(state, crtc); | |
12271 | if (!crtc_state || !needs_modeset(crtc->state)) | |
12272 | continue; | |
ea9d758d | 12273 | |
53d9f4e9 | 12274 | if (crtc->state->active) { |
69024de8 ML |
12275 | struct drm_property *dpms_property = |
12276 | dev->mode_config.dpms_property; | |
68d34720 | 12277 | |
69024de8 ML |
12278 | connector->dpms = DRM_MODE_DPMS_ON; |
12279 | drm_object_property_set_value(&connector->base, dpms_property, DRM_MODE_DPMS_ON); | |
ea9d758d | 12280 | |
69024de8 ML |
12281 | intel_encoder = to_intel_encoder(connector->encoder); |
12282 | intel_encoder->connectors_active = true; | |
12283 | } else | |
12284 | connector->dpms = DRM_MODE_DPMS_OFF; | |
ea9d758d | 12285 | } |
ea9d758d DV |
12286 | } |
12287 | ||
3bd26263 | 12288 | static bool intel_fuzzy_clock_check(int clock1, int clock2) |
f1f644dc | 12289 | { |
3bd26263 | 12290 | int diff; |
f1f644dc JB |
12291 | |
12292 | if (clock1 == clock2) | |
12293 | return true; | |
12294 | ||
12295 | if (!clock1 || !clock2) | |
12296 | return false; | |
12297 | ||
12298 | diff = abs(clock1 - clock2); | |
12299 | ||
12300 | if (((((diff + clock1 + clock2) * 100)) / (clock1 + clock2)) < 105) | |
12301 | return true; | |
12302 | ||
12303 | return false; | |
12304 | } | |
12305 | ||
25c5b266 DV |
12306 | #define for_each_intel_crtc_masked(dev, mask, intel_crtc) \ |
12307 | list_for_each_entry((intel_crtc), \ | |
12308 | &(dev)->mode_config.crtc_list, \ | |
12309 | base.head) \ | |
0973f18f | 12310 | if (mask & (1 <<(intel_crtc)->pipe)) |
25c5b266 | 12311 | |
0e8ffe1b | 12312 | static bool |
2fa2fe9a | 12313 | intel_pipe_config_compare(struct drm_device *dev, |
5cec258b ACO |
12314 | struct intel_crtc_state *current_config, |
12315 | struct intel_crtc_state *pipe_config) | |
0e8ffe1b | 12316 | { |
66e985c0 DV |
12317 | #define PIPE_CONF_CHECK_X(name) \ |
12318 | if (current_config->name != pipe_config->name) { \ | |
12319 | DRM_ERROR("mismatch in " #name " " \ | |
12320 | "(expected 0x%08x, found 0x%08x)\n", \ | |
12321 | current_config->name, \ | |
12322 | pipe_config->name); \ | |
12323 | return false; \ | |
12324 | } | |
12325 | ||
08a24034 DV |
12326 | #define PIPE_CONF_CHECK_I(name) \ |
12327 | if (current_config->name != pipe_config->name) { \ | |
12328 | DRM_ERROR("mismatch in " #name " " \ | |
12329 | "(expected %i, found %i)\n", \ | |
12330 | current_config->name, \ | |
12331 | pipe_config->name); \ | |
12332 | return false; \ | |
88adfff1 DV |
12333 | } |
12334 | ||
b95af8be VK |
12335 | /* This is required for BDW+ where there is only one set of registers for |
12336 | * switching between high and low RR. | |
12337 | * This macro can be used whenever a comparison has to be made between one | |
12338 | * hw state and multiple sw state variables. | |
12339 | */ | |
12340 | #define PIPE_CONF_CHECK_I_ALT(name, alt_name) \ | |
12341 | if ((current_config->name != pipe_config->name) && \ | |
12342 | (current_config->alt_name != pipe_config->name)) { \ | |
12343 | DRM_ERROR("mismatch in " #name " " \ | |
12344 | "(expected %i or %i, found %i)\n", \ | |
12345 | current_config->name, \ | |
12346 | current_config->alt_name, \ | |
12347 | pipe_config->name); \ | |
12348 | return false; \ | |
12349 | } | |
12350 | ||
1bd1bd80 DV |
12351 | #define PIPE_CONF_CHECK_FLAGS(name, mask) \ |
12352 | if ((current_config->name ^ pipe_config->name) & (mask)) { \ | |
6f02488e | 12353 | DRM_ERROR("mismatch in " #name "(" #mask ") " \ |
1bd1bd80 DV |
12354 | "(expected %i, found %i)\n", \ |
12355 | current_config->name & (mask), \ | |
12356 | pipe_config->name & (mask)); \ | |
12357 | return false; \ | |
12358 | } | |
12359 | ||
5e550656 VS |
12360 | #define PIPE_CONF_CHECK_CLOCK_FUZZY(name) \ |
12361 | if (!intel_fuzzy_clock_check(current_config->name, pipe_config->name)) { \ | |
12362 | DRM_ERROR("mismatch in " #name " " \ | |
12363 | "(expected %i, found %i)\n", \ | |
12364 | current_config->name, \ | |
12365 | pipe_config->name); \ | |
12366 | return false; \ | |
12367 | } | |
12368 | ||
bb760063 DV |
12369 | #define PIPE_CONF_QUIRK(quirk) \ |
12370 | ((current_config->quirks | pipe_config->quirks) & (quirk)) | |
12371 | ||
eccb140b DV |
12372 | PIPE_CONF_CHECK_I(cpu_transcoder); |
12373 | ||
08a24034 DV |
12374 | PIPE_CONF_CHECK_I(has_pch_encoder); |
12375 | PIPE_CONF_CHECK_I(fdi_lanes); | |
72419203 DV |
12376 | PIPE_CONF_CHECK_I(fdi_m_n.gmch_m); |
12377 | PIPE_CONF_CHECK_I(fdi_m_n.gmch_n); | |
12378 | PIPE_CONF_CHECK_I(fdi_m_n.link_m); | |
12379 | PIPE_CONF_CHECK_I(fdi_m_n.link_n); | |
12380 | PIPE_CONF_CHECK_I(fdi_m_n.tu); | |
08a24034 | 12381 | |
eb14cb74 | 12382 | PIPE_CONF_CHECK_I(has_dp_encoder); |
b95af8be VK |
12383 | |
12384 | if (INTEL_INFO(dev)->gen < 8) { | |
12385 | PIPE_CONF_CHECK_I(dp_m_n.gmch_m); | |
12386 | PIPE_CONF_CHECK_I(dp_m_n.gmch_n); | |
12387 | PIPE_CONF_CHECK_I(dp_m_n.link_m); | |
12388 | PIPE_CONF_CHECK_I(dp_m_n.link_n); | |
12389 | PIPE_CONF_CHECK_I(dp_m_n.tu); | |
12390 | ||
12391 | if (current_config->has_drrs) { | |
12392 | PIPE_CONF_CHECK_I(dp_m2_n2.gmch_m); | |
12393 | PIPE_CONF_CHECK_I(dp_m2_n2.gmch_n); | |
12394 | PIPE_CONF_CHECK_I(dp_m2_n2.link_m); | |
12395 | PIPE_CONF_CHECK_I(dp_m2_n2.link_n); | |
12396 | PIPE_CONF_CHECK_I(dp_m2_n2.tu); | |
12397 | } | |
12398 | } else { | |
12399 | PIPE_CONF_CHECK_I_ALT(dp_m_n.gmch_m, dp_m2_n2.gmch_m); | |
12400 | PIPE_CONF_CHECK_I_ALT(dp_m_n.gmch_n, dp_m2_n2.gmch_n); | |
12401 | PIPE_CONF_CHECK_I_ALT(dp_m_n.link_m, dp_m2_n2.link_m); | |
12402 | PIPE_CONF_CHECK_I_ALT(dp_m_n.link_n, dp_m2_n2.link_n); | |
12403 | PIPE_CONF_CHECK_I_ALT(dp_m_n.tu, dp_m2_n2.tu); | |
12404 | } | |
eb14cb74 | 12405 | |
2d112de7 ACO |
12406 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hdisplay); |
12407 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_htotal); | |
12408 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hblank_start); | |
12409 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hblank_end); | |
12410 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hsync_start); | |
12411 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hsync_end); | |
1bd1bd80 | 12412 | |
2d112de7 ACO |
12413 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vdisplay); |
12414 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vtotal); | |
12415 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vblank_start); | |
12416 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vblank_end); | |
12417 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vsync_start); | |
12418 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vsync_end); | |
1bd1bd80 | 12419 | |
c93f54cf | 12420 | PIPE_CONF_CHECK_I(pixel_multiplier); |
6897b4b5 | 12421 | PIPE_CONF_CHECK_I(has_hdmi_sink); |
b5a9fa09 DV |
12422 | if ((INTEL_INFO(dev)->gen < 8 && !IS_HASWELL(dev)) || |
12423 | IS_VALLEYVIEW(dev)) | |
12424 | PIPE_CONF_CHECK_I(limited_color_range); | |
e43823ec | 12425 | PIPE_CONF_CHECK_I(has_infoframe); |
6c49f241 | 12426 | |
9ed109a7 DV |
12427 | PIPE_CONF_CHECK_I(has_audio); |
12428 | ||
2d112de7 | 12429 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
1bd1bd80 DV |
12430 | DRM_MODE_FLAG_INTERLACE); |
12431 | ||
bb760063 | 12432 | if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS)) { |
2d112de7 | 12433 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 12434 | DRM_MODE_FLAG_PHSYNC); |
2d112de7 | 12435 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 12436 | DRM_MODE_FLAG_NHSYNC); |
2d112de7 | 12437 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 12438 | DRM_MODE_FLAG_PVSYNC); |
2d112de7 | 12439 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 DV |
12440 | DRM_MODE_FLAG_NVSYNC); |
12441 | } | |
045ac3b5 | 12442 | |
37327abd VS |
12443 | PIPE_CONF_CHECK_I(pipe_src_w); |
12444 | PIPE_CONF_CHECK_I(pipe_src_h); | |
1bd1bd80 | 12445 | |
9953599b DV |
12446 | /* |
12447 | * FIXME: BIOS likes to set up a cloned config with lvds+external | |
12448 | * screen. Since we don't yet re-compute the pipe config when moving | |
12449 | * just the lvds port away to another pipe the sw tracking won't match. | |
12450 | * | |
12451 | * Proper atomic modesets with recomputed global state will fix this. | |
12452 | * Until then just don't check gmch state for inherited modes. | |
12453 | */ | |
12454 | if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_INHERITED_MODE)) { | |
12455 | PIPE_CONF_CHECK_I(gmch_pfit.control); | |
12456 | /* pfit ratios are autocomputed by the hw on gen4+ */ | |
12457 | if (INTEL_INFO(dev)->gen < 4) | |
12458 | PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios); | |
12459 | PIPE_CONF_CHECK_I(gmch_pfit.lvds_border_bits); | |
12460 | } | |
12461 | ||
fd4daa9c CW |
12462 | PIPE_CONF_CHECK_I(pch_pfit.enabled); |
12463 | if (current_config->pch_pfit.enabled) { | |
12464 | PIPE_CONF_CHECK_I(pch_pfit.pos); | |
12465 | PIPE_CONF_CHECK_I(pch_pfit.size); | |
12466 | } | |
2fa2fe9a | 12467 | |
a1b2278e CK |
12468 | PIPE_CONF_CHECK_I(scaler_state.scaler_id); |
12469 | ||
e59150dc JB |
12470 | /* BDW+ don't expose a synchronous way to read the state */ |
12471 | if (IS_HASWELL(dev)) | |
12472 | PIPE_CONF_CHECK_I(ips_enabled); | |
42db64ef | 12473 | |
282740f7 VS |
12474 | PIPE_CONF_CHECK_I(double_wide); |
12475 | ||
26804afd DV |
12476 | PIPE_CONF_CHECK_X(ddi_pll_sel); |
12477 | ||
c0d43d62 | 12478 | PIPE_CONF_CHECK_I(shared_dpll); |
66e985c0 | 12479 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll); |
8bcc2795 | 12480 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md); |
66e985c0 DV |
12481 | PIPE_CONF_CHECK_X(dpll_hw_state.fp0); |
12482 | PIPE_CONF_CHECK_X(dpll_hw_state.fp1); | |
d452c5b6 | 12483 | PIPE_CONF_CHECK_X(dpll_hw_state.wrpll); |
3f4cd19f DL |
12484 | PIPE_CONF_CHECK_X(dpll_hw_state.ctrl1); |
12485 | PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr1); | |
12486 | PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr2); | |
c0d43d62 | 12487 | |
42571aef VS |
12488 | if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) |
12489 | PIPE_CONF_CHECK_I(pipe_bpp); | |
12490 | ||
2d112de7 | 12491 | PIPE_CONF_CHECK_CLOCK_FUZZY(base.adjusted_mode.crtc_clock); |
a9a7e98a | 12492 | PIPE_CONF_CHECK_CLOCK_FUZZY(port_clock); |
5e550656 | 12493 | |
66e985c0 | 12494 | #undef PIPE_CONF_CHECK_X |
08a24034 | 12495 | #undef PIPE_CONF_CHECK_I |
b95af8be | 12496 | #undef PIPE_CONF_CHECK_I_ALT |
1bd1bd80 | 12497 | #undef PIPE_CONF_CHECK_FLAGS |
5e550656 | 12498 | #undef PIPE_CONF_CHECK_CLOCK_FUZZY |
bb760063 | 12499 | #undef PIPE_CONF_QUIRK |
88adfff1 | 12500 | |
0e8ffe1b DV |
12501 | return true; |
12502 | } | |
12503 | ||
08db6652 DL |
12504 | static void check_wm_state(struct drm_device *dev) |
12505 | { | |
12506 | struct drm_i915_private *dev_priv = dev->dev_private; | |
12507 | struct skl_ddb_allocation hw_ddb, *sw_ddb; | |
12508 | struct intel_crtc *intel_crtc; | |
12509 | int plane; | |
12510 | ||
12511 | if (INTEL_INFO(dev)->gen < 9) | |
12512 | return; | |
12513 | ||
12514 | skl_ddb_get_hw_state(dev_priv, &hw_ddb); | |
12515 | sw_ddb = &dev_priv->wm.skl_hw.ddb; | |
12516 | ||
12517 | for_each_intel_crtc(dev, intel_crtc) { | |
12518 | struct skl_ddb_entry *hw_entry, *sw_entry; | |
12519 | const enum pipe pipe = intel_crtc->pipe; | |
12520 | ||
12521 | if (!intel_crtc->active) | |
12522 | continue; | |
12523 | ||
12524 | /* planes */ | |
dd740780 | 12525 | for_each_plane(dev_priv, pipe, plane) { |
08db6652 DL |
12526 | hw_entry = &hw_ddb.plane[pipe][plane]; |
12527 | sw_entry = &sw_ddb->plane[pipe][plane]; | |
12528 | ||
12529 | if (skl_ddb_entry_equal(hw_entry, sw_entry)) | |
12530 | continue; | |
12531 | ||
12532 | DRM_ERROR("mismatch in DDB state pipe %c plane %d " | |
12533 | "(expected (%u,%u), found (%u,%u))\n", | |
12534 | pipe_name(pipe), plane + 1, | |
12535 | sw_entry->start, sw_entry->end, | |
12536 | hw_entry->start, hw_entry->end); | |
12537 | } | |
12538 | ||
12539 | /* cursor */ | |
12540 | hw_entry = &hw_ddb.cursor[pipe]; | |
12541 | sw_entry = &sw_ddb->cursor[pipe]; | |
12542 | ||
12543 | if (skl_ddb_entry_equal(hw_entry, sw_entry)) | |
12544 | continue; | |
12545 | ||
12546 | DRM_ERROR("mismatch in DDB state pipe %c cursor " | |
12547 | "(expected (%u,%u), found (%u,%u))\n", | |
12548 | pipe_name(pipe), | |
12549 | sw_entry->start, sw_entry->end, | |
12550 | hw_entry->start, hw_entry->end); | |
12551 | } | |
12552 | } | |
12553 | ||
91d1b4bd DV |
12554 | static void |
12555 | check_connector_state(struct drm_device *dev) | |
8af6cf88 | 12556 | { |
8af6cf88 DV |
12557 | struct intel_connector *connector; |
12558 | ||
3a3371ff | 12559 | for_each_intel_connector(dev, connector) { |
8af6cf88 DV |
12560 | /* This also checks the encoder/connector hw state with the |
12561 | * ->get_hw_state callbacks. */ | |
12562 | intel_connector_check_state(connector); | |
12563 | ||
e2c719b7 | 12564 | I915_STATE_WARN(&connector->new_encoder->base != connector->base.encoder, |
8af6cf88 DV |
12565 | "connector's staged encoder doesn't match current encoder\n"); |
12566 | } | |
91d1b4bd DV |
12567 | } |
12568 | ||
12569 | static void | |
12570 | check_encoder_state(struct drm_device *dev) | |
12571 | { | |
12572 | struct intel_encoder *encoder; | |
12573 | struct intel_connector *connector; | |
8af6cf88 | 12574 | |
b2784e15 | 12575 | for_each_intel_encoder(dev, encoder) { |
8af6cf88 DV |
12576 | bool enabled = false; |
12577 | bool active = false; | |
12578 | enum pipe pipe, tracked_pipe; | |
12579 | ||
12580 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", | |
12581 | encoder->base.base.id, | |
8e329a03 | 12582 | encoder->base.name); |
8af6cf88 | 12583 | |
e2c719b7 | 12584 | I915_STATE_WARN(&encoder->new_crtc->base != encoder->base.crtc, |
8af6cf88 | 12585 | "encoder's stage crtc doesn't match current crtc\n"); |
e2c719b7 | 12586 | I915_STATE_WARN(encoder->connectors_active && !encoder->base.crtc, |
8af6cf88 DV |
12587 | "encoder's active_connectors set, but no crtc\n"); |
12588 | ||
3a3371ff | 12589 | for_each_intel_connector(dev, connector) { |
8af6cf88 DV |
12590 | if (connector->base.encoder != &encoder->base) |
12591 | continue; | |
12592 | enabled = true; | |
12593 | if (connector->base.dpms != DRM_MODE_DPMS_OFF) | |
12594 | active = true; | |
12595 | } | |
0e32b39c DA |
12596 | /* |
12597 | * for MST connectors if we unplug the connector is gone | |
12598 | * away but the encoder is still connected to a crtc | |
12599 | * until a modeset happens in response to the hotplug. | |
12600 | */ | |
12601 | if (!enabled && encoder->base.encoder_type == DRM_MODE_ENCODER_DPMST) | |
12602 | continue; | |
12603 | ||
e2c719b7 | 12604 | I915_STATE_WARN(!!encoder->base.crtc != enabled, |
8af6cf88 DV |
12605 | "encoder's enabled state mismatch " |
12606 | "(expected %i, found %i)\n", | |
12607 | !!encoder->base.crtc, enabled); | |
e2c719b7 | 12608 | I915_STATE_WARN(active && !encoder->base.crtc, |
8af6cf88 DV |
12609 | "active encoder with no crtc\n"); |
12610 | ||
e2c719b7 | 12611 | I915_STATE_WARN(encoder->connectors_active != active, |
8af6cf88 DV |
12612 | "encoder's computed active state doesn't match tracked active state " |
12613 | "(expected %i, found %i)\n", active, encoder->connectors_active); | |
12614 | ||
12615 | active = encoder->get_hw_state(encoder, &pipe); | |
e2c719b7 | 12616 | I915_STATE_WARN(active != encoder->connectors_active, |
8af6cf88 DV |
12617 | "encoder's hw state doesn't match sw tracking " |
12618 | "(expected %i, found %i)\n", | |
12619 | encoder->connectors_active, active); | |
12620 | ||
12621 | if (!encoder->base.crtc) | |
12622 | continue; | |
12623 | ||
12624 | tracked_pipe = to_intel_crtc(encoder->base.crtc)->pipe; | |
e2c719b7 | 12625 | I915_STATE_WARN(active && pipe != tracked_pipe, |
8af6cf88 DV |
12626 | "active encoder's pipe doesn't match" |
12627 | "(expected %i, found %i)\n", | |
12628 | tracked_pipe, pipe); | |
12629 | ||
12630 | } | |
91d1b4bd DV |
12631 | } |
12632 | ||
12633 | static void | |
12634 | check_crtc_state(struct drm_device *dev) | |
12635 | { | |
fbee40df | 12636 | struct drm_i915_private *dev_priv = dev->dev_private; |
91d1b4bd DV |
12637 | struct intel_crtc *crtc; |
12638 | struct intel_encoder *encoder; | |
5cec258b | 12639 | struct intel_crtc_state pipe_config; |
8af6cf88 | 12640 | |
d3fcc808 | 12641 | for_each_intel_crtc(dev, crtc) { |
8af6cf88 DV |
12642 | bool enabled = false; |
12643 | bool active = false; | |
12644 | ||
045ac3b5 JB |
12645 | memset(&pipe_config, 0, sizeof(pipe_config)); |
12646 | ||
8af6cf88 DV |
12647 | DRM_DEBUG_KMS("[CRTC:%d]\n", |
12648 | crtc->base.base.id); | |
12649 | ||
83d65738 | 12650 | I915_STATE_WARN(crtc->active && !crtc->base.state->enable, |
8af6cf88 DV |
12651 | "active crtc, but not enabled in sw tracking\n"); |
12652 | ||
b2784e15 | 12653 | for_each_intel_encoder(dev, encoder) { |
8af6cf88 DV |
12654 | if (encoder->base.crtc != &crtc->base) |
12655 | continue; | |
12656 | enabled = true; | |
12657 | if (encoder->connectors_active) | |
12658 | active = true; | |
12659 | } | |
6c49f241 | 12660 | |
e2c719b7 | 12661 | I915_STATE_WARN(active != crtc->active, |
8af6cf88 DV |
12662 | "crtc's computed active state doesn't match tracked active state " |
12663 | "(expected %i, found %i)\n", active, crtc->active); | |
83d65738 | 12664 | I915_STATE_WARN(enabled != crtc->base.state->enable, |
8af6cf88 | 12665 | "crtc's computed enabled state doesn't match tracked enabled state " |
83d65738 MR |
12666 | "(expected %i, found %i)\n", enabled, |
12667 | crtc->base.state->enable); | |
8af6cf88 | 12668 | |
0e8ffe1b DV |
12669 | active = dev_priv->display.get_pipe_config(crtc, |
12670 | &pipe_config); | |
d62cf62a | 12671 | |
b6b5d049 VS |
12672 | /* hw state is inconsistent with the pipe quirk */ |
12673 | if ((crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
12674 | (crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
d62cf62a DV |
12675 | active = crtc->active; |
12676 | ||
b2784e15 | 12677 | for_each_intel_encoder(dev, encoder) { |
3eaba51c | 12678 | enum pipe pipe; |
6c49f241 DV |
12679 | if (encoder->base.crtc != &crtc->base) |
12680 | continue; | |
1d37b689 | 12681 | if (encoder->get_hw_state(encoder, &pipe)) |
6c49f241 DV |
12682 | encoder->get_config(encoder, &pipe_config); |
12683 | } | |
12684 | ||
e2c719b7 | 12685 | I915_STATE_WARN(crtc->active != active, |
0e8ffe1b DV |
12686 | "crtc active state doesn't match with hw state " |
12687 | "(expected %i, found %i)\n", crtc->active, active); | |
12688 | ||
53d9f4e9 ML |
12689 | I915_STATE_WARN(crtc->active != crtc->base.state->active, |
12690 | "transitional active state does not match atomic hw state " | |
12691 | "(expected %i, found %i)\n", crtc->base.state->active, crtc->active); | |
12692 | ||
c0b03411 | 12693 | if (active && |
6e3c9717 | 12694 | !intel_pipe_config_compare(dev, crtc->config, &pipe_config)) { |
e2c719b7 | 12695 | I915_STATE_WARN(1, "pipe state doesn't match!\n"); |
c0b03411 DV |
12696 | intel_dump_pipe_config(crtc, &pipe_config, |
12697 | "[hw state]"); | |
6e3c9717 | 12698 | intel_dump_pipe_config(crtc, crtc->config, |
c0b03411 DV |
12699 | "[sw state]"); |
12700 | } | |
8af6cf88 DV |
12701 | } |
12702 | } | |
12703 | ||
91d1b4bd DV |
12704 | static void |
12705 | check_shared_dpll_state(struct drm_device *dev) | |
12706 | { | |
fbee40df | 12707 | struct drm_i915_private *dev_priv = dev->dev_private; |
91d1b4bd DV |
12708 | struct intel_crtc *crtc; |
12709 | struct intel_dpll_hw_state dpll_hw_state; | |
12710 | int i; | |
5358901f DV |
12711 | |
12712 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
12713 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
12714 | int enabled_crtcs = 0, active_crtcs = 0; | |
12715 | bool active; | |
12716 | ||
12717 | memset(&dpll_hw_state, 0, sizeof(dpll_hw_state)); | |
12718 | ||
12719 | DRM_DEBUG_KMS("%s\n", pll->name); | |
12720 | ||
12721 | active = pll->get_hw_state(dev_priv, pll, &dpll_hw_state); | |
12722 | ||
e2c719b7 | 12723 | I915_STATE_WARN(pll->active > hweight32(pll->config.crtc_mask), |
5358901f | 12724 | "more active pll users than references: %i vs %i\n", |
3e369b76 | 12725 | pll->active, hweight32(pll->config.crtc_mask)); |
e2c719b7 | 12726 | I915_STATE_WARN(pll->active && !pll->on, |
5358901f | 12727 | "pll in active use but not on in sw tracking\n"); |
e2c719b7 | 12728 | I915_STATE_WARN(pll->on && !pll->active, |
35c95375 | 12729 | "pll in on but not on in use in sw tracking\n"); |
e2c719b7 | 12730 | I915_STATE_WARN(pll->on != active, |
5358901f DV |
12731 | "pll on state mismatch (expected %i, found %i)\n", |
12732 | pll->on, active); | |
12733 | ||
d3fcc808 | 12734 | for_each_intel_crtc(dev, crtc) { |
83d65738 | 12735 | if (crtc->base.state->enable && intel_crtc_to_shared_dpll(crtc) == pll) |
5358901f DV |
12736 | enabled_crtcs++; |
12737 | if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) | |
12738 | active_crtcs++; | |
12739 | } | |
e2c719b7 | 12740 | I915_STATE_WARN(pll->active != active_crtcs, |
5358901f DV |
12741 | "pll active crtcs mismatch (expected %i, found %i)\n", |
12742 | pll->active, active_crtcs); | |
e2c719b7 | 12743 | I915_STATE_WARN(hweight32(pll->config.crtc_mask) != enabled_crtcs, |
5358901f | 12744 | "pll enabled crtcs mismatch (expected %i, found %i)\n", |
3e369b76 | 12745 | hweight32(pll->config.crtc_mask), enabled_crtcs); |
66e985c0 | 12746 | |
e2c719b7 | 12747 | I915_STATE_WARN(pll->on && memcmp(&pll->config.hw_state, &dpll_hw_state, |
66e985c0 DV |
12748 | sizeof(dpll_hw_state)), |
12749 | "pll hw state mismatch\n"); | |
5358901f | 12750 | } |
8af6cf88 DV |
12751 | } |
12752 | ||
91d1b4bd DV |
12753 | void |
12754 | intel_modeset_check_state(struct drm_device *dev) | |
12755 | { | |
08db6652 | 12756 | check_wm_state(dev); |
91d1b4bd DV |
12757 | check_connector_state(dev); |
12758 | check_encoder_state(dev); | |
12759 | check_crtc_state(dev); | |
12760 | check_shared_dpll_state(dev); | |
12761 | } | |
12762 | ||
5cec258b | 12763 | void ironlake_check_encoder_dotclock(const struct intel_crtc_state *pipe_config, |
18442d08 VS |
12764 | int dotclock) |
12765 | { | |
12766 | /* | |
12767 | * FDI already provided one idea for the dotclock. | |
12768 | * Yell if the encoder disagrees. | |
12769 | */ | |
2d112de7 | 12770 | WARN(!intel_fuzzy_clock_check(pipe_config->base.adjusted_mode.crtc_clock, dotclock), |
18442d08 | 12771 | "FDI dotclock and encoder dotclock mismatch, fdi: %i, encoder: %i\n", |
2d112de7 | 12772 | pipe_config->base.adjusted_mode.crtc_clock, dotclock); |
18442d08 VS |
12773 | } |
12774 | ||
80715b2f VS |
12775 | static void update_scanline_offset(struct intel_crtc *crtc) |
12776 | { | |
12777 | struct drm_device *dev = crtc->base.dev; | |
12778 | ||
12779 | /* | |
12780 | * The scanline counter increments at the leading edge of hsync. | |
12781 | * | |
12782 | * On most platforms it starts counting from vtotal-1 on the | |
12783 | * first active line. That means the scanline counter value is | |
12784 | * always one less than what we would expect. Ie. just after | |
12785 | * start of vblank, which also occurs at start of hsync (on the | |
12786 | * last active line), the scanline counter will read vblank_start-1. | |
12787 | * | |
12788 | * On gen2 the scanline counter starts counting from 1 instead | |
12789 | * of vtotal-1, so we have to subtract one (or rather add vtotal-1 | |
12790 | * to keep the value positive), instead of adding one. | |
12791 | * | |
12792 | * On HSW+ the behaviour of the scanline counter depends on the output | |
12793 | * type. For DP ports it behaves like most other platforms, but on HDMI | |
12794 | * there's an extra 1 line difference. So we need to add two instead of | |
12795 | * one to the value. | |
12796 | */ | |
12797 | if (IS_GEN2(dev)) { | |
6e3c9717 | 12798 | const struct drm_display_mode *mode = &crtc->config->base.adjusted_mode; |
80715b2f VS |
12799 | int vtotal; |
12800 | ||
12801 | vtotal = mode->crtc_vtotal; | |
12802 | if (mode->flags & DRM_MODE_FLAG_INTERLACE) | |
12803 | vtotal /= 2; | |
12804 | ||
12805 | crtc->scanline_offset = vtotal - 1; | |
12806 | } else if (HAS_DDI(dev) && | |
409ee761 | 12807 | intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) { |
80715b2f VS |
12808 | crtc->scanline_offset = 2; |
12809 | } else | |
12810 | crtc->scanline_offset = 1; | |
12811 | } | |
12812 | ||
ad421372 | 12813 | static void intel_modeset_clear_plls(struct drm_atomic_state *state) |
ed6739ef | 12814 | { |
225da59b | 12815 | struct drm_device *dev = state->dev; |
ed6739ef | 12816 | struct drm_i915_private *dev_priv = to_i915(dev); |
ad421372 | 12817 | struct intel_shared_dpll_config *shared_dpll = NULL; |
ed6739ef | 12818 | struct intel_crtc *intel_crtc; |
0a9ab303 ACO |
12819 | struct intel_crtc_state *intel_crtc_state; |
12820 | struct drm_crtc *crtc; | |
12821 | struct drm_crtc_state *crtc_state; | |
0a9ab303 | 12822 | int i; |
ed6739ef ACO |
12823 | |
12824 | if (!dev_priv->display.crtc_compute_clock) | |
ad421372 | 12825 | return; |
ed6739ef | 12826 | |
0a9ab303 | 12827 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
ad421372 ML |
12828 | int dpll; |
12829 | ||
0a9ab303 | 12830 | intel_crtc = to_intel_crtc(crtc); |
4978cc93 | 12831 | intel_crtc_state = to_intel_crtc_state(crtc_state); |
ad421372 | 12832 | dpll = intel_crtc_state->shared_dpll; |
0a9ab303 | 12833 | |
ad421372 | 12834 | if (!needs_modeset(crtc_state) || dpll == DPLL_ID_PRIVATE) |
225da59b ACO |
12835 | continue; |
12836 | ||
ad421372 | 12837 | intel_crtc_state->shared_dpll = DPLL_ID_PRIVATE; |
0a9ab303 | 12838 | |
ad421372 ML |
12839 | if (!shared_dpll) |
12840 | shared_dpll = intel_atomic_get_shared_dpll_state(state); | |
ed6739ef | 12841 | |
ad421372 ML |
12842 | shared_dpll[dpll].crtc_mask &= ~(1 << intel_crtc->pipe); |
12843 | } | |
ed6739ef ACO |
12844 | } |
12845 | ||
99d736a2 ML |
12846 | /* |
12847 | * This implements the workaround described in the "notes" section of the mode | |
12848 | * set sequence documentation. When going from no pipes or single pipe to | |
12849 | * multiple pipes, and planes are enabled after the pipe, we need to wait at | |
12850 | * least 2 vblanks on the first pipe before enabling planes on the second pipe. | |
12851 | */ | |
12852 | static int haswell_mode_set_planes_workaround(struct drm_atomic_state *state) | |
12853 | { | |
12854 | struct drm_crtc_state *crtc_state; | |
12855 | struct intel_crtc *intel_crtc; | |
12856 | struct drm_crtc *crtc; | |
12857 | struct intel_crtc_state *first_crtc_state = NULL; | |
12858 | struct intel_crtc_state *other_crtc_state = NULL; | |
12859 | enum pipe first_pipe = INVALID_PIPE, enabled_pipe = INVALID_PIPE; | |
12860 | int i; | |
12861 | ||
12862 | /* look at all crtc's that are going to be enabled in during modeset */ | |
12863 | for_each_crtc_in_state(state, crtc, crtc_state, i) { | |
12864 | intel_crtc = to_intel_crtc(crtc); | |
12865 | ||
12866 | if (!crtc_state->active || !needs_modeset(crtc_state)) | |
12867 | continue; | |
12868 | ||
12869 | if (first_crtc_state) { | |
12870 | other_crtc_state = to_intel_crtc_state(crtc_state); | |
12871 | break; | |
12872 | } else { | |
12873 | first_crtc_state = to_intel_crtc_state(crtc_state); | |
12874 | first_pipe = intel_crtc->pipe; | |
12875 | } | |
12876 | } | |
12877 | ||
12878 | /* No workaround needed? */ | |
12879 | if (!first_crtc_state) | |
12880 | return 0; | |
12881 | ||
12882 | /* w/a possibly needed, check how many crtc's are already enabled. */ | |
12883 | for_each_intel_crtc(state->dev, intel_crtc) { | |
12884 | struct intel_crtc_state *pipe_config; | |
12885 | ||
12886 | pipe_config = intel_atomic_get_crtc_state(state, intel_crtc); | |
12887 | if (IS_ERR(pipe_config)) | |
12888 | return PTR_ERR(pipe_config); | |
12889 | ||
12890 | pipe_config->hsw_workaround_pipe = INVALID_PIPE; | |
12891 | ||
12892 | if (!pipe_config->base.active || | |
12893 | needs_modeset(&pipe_config->base)) | |
12894 | continue; | |
12895 | ||
12896 | /* 2 or more enabled crtcs means no need for w/a */ | |
12897 | if (enabled_pipe != INVALID_PIPE) | |
12898 | return 0; | |
12899 | ||
12900 | enabled_pipe = intel_crtc->pipe; | |
12901 | } | |
12902 | ||
12903 | if (enabled_pipe != INVALID_PIPE) | |
12904 | first_crtc_state->hsw_workaround_pipe = enabled_pipe; | |
12905 | else if (other_crtc_state) | |
12906 | other_crtc_state->hsw_workaround_pipe = first_pipe; | |
12907 | ||
12908 | return 0; | |
12909 | } | |
12910 | ||
27c329ed ML |
12911 | static int intel_modeset_all_pipes(struct drm_atomic_state *state) |
12912 | { | |
12913 | struct drm_crtc *crtc; | |
12914 | struct drm_crtc_state *crtc_state; | |
12915 | int ret = 0; | |
12916 | ||
12917 | /* add all active pipes to the state */ | |
12918 | for_each_crtc(state->dev, crtc) { | |
12919 | crtc_state = drm_atomic_get_crtc_state(state, crtc); | |
12920 | if (IS_ERR(crtc_state)) | |
12921 | return PTR_ERR(crtc_state); | |
12922 | ||
12923 | if (!crtc_state->active || needs_modeset(crtc_state)) | |
12924 | continue; | |
12925 | ||
12926 | crtc_state->mode_changed = true; | |
12927 | ||
12928 | ret = drm_atomic_add_affected_connectors(state, crtc); | |
12929 | if (ret) | |
12930 | break; | |
12931 | ||
12932 | ret = drm_atomic_add_affected_planes(state, crtc); | |
12933 | if (ret) | |
12934 | break; | |
12935 | } | |
12936 | ||
12937 | return ret; | |
12938 | } | |
12939 | ||
12940 | ||
054518dd | 12941 | /* Code that should eventually be part of atomic_check() */ |
c347a676 | 12942 | static int intel_modeset_checks(struct drm_atomic_state *state) |
054518dd ACO |
12943 | { |
12944 | struct drm_device *dev = state->dev; | |
27c329ed | 12945 | struct drm_i915_private *dev_priv = dev->dev_private; |
054518dd ACO |
12946 | int ret; |
12947 | ||
b359283a ML |
12948 | if (!check_digital_port_conflicts(state)) { |
12949 | DRM_DEBUG_KMS("rejecting conflicting digital port configuration\n"); | |
12950 | return -EINVAL; | |
12951 | } | |
12952 | ||
054518dd ACO |
12953 | /* |
12954 | * See if the config requires any additional preparation, e.g. | |
12955 | * to adjust global state with pipes off. We need to do this | |
12956 | * here so we can get the modeset_pipe updated config for the new | |
12957 | * mode set on this crtc. For other crtcs we need to use the | |
12958 | * adjusted_mode bits in the crtc directly. | |
12959 | */ | |
27c329ed ML |
12960 | if (dev_priv->display.modeset_calc_cdclk) { |
12961 | unsigned int cdclk; | |
b432e5cf | 12962 | |
27c329ed ML |
12963 | ret = dev_priv->display.modeset_calc_cdclk(state); |
12964 | ||
12965 | cdclk = to_intel_atomic_state(state)->cdclk; | |
12966 | if (!ret && cdclk != dev_priv->cdclk_freq) | |
12967 | ret = intel_modeset_all_pipes(state); | |
12968 | ||
12969 | if (ret < 0) | |
054518dd | 12970 | return ret; |
27c329ed ML |
12971 | } else |
12972 | to_intel_atomic_state(state)->cdclk = dev_priv->cdclk_freq; | |
054518dd | 12973 | |
ad421372 | 12974 | intel_modeset_clear_plls(state); |
054518dd | 12975 | |
99d736a2 | 12976 | if (IS_HASWELL(dev)) |
ad421372 | 12977 | return haswell_mode_set_planes_workaround(state); |
99d736a2 | 12978 | |
ad421372 | 12979 | return 0; |
c347a676 ACO |
12980 | } |
12981 | ||
12982 | static int | |
12983 | intel_modeset_compute_config(struct drm_atomic_state *state) | |
12984 | { | |
12985 | struct drm_crtc *crtc; | |
12986 | struct drm_crtc_state *crtc_state; | |
12987 | int ret, i; | |
61333b60 | 12988 | bool any_ms = false; |
c347a676 ACO |
12989 | |
12990 | ret = drm_atomic_helper_check_modeset(state->dev, state); | |
054518dd ACO |
12991 | if (ret) |
12992 | return ret; | |
12993 | ||
c347a676 | 12994 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
61333b60 ML |
12995 | if (!crtc_state->enable) { |
12996 | if (needs_modeset(crtc_state)) | |
12997 | any_ms = true; | |
c347a676 | 12998 | continue; |
61333b60 | 12999 | } |
c347a676 | 13000 | |
d032ffa0 ML |
13001 | if (to_intel_crtc_state(crtc_state)->quirks & |
13002 | PIPE_CONFIG_QUIRK_INITIAL_PLANES) { | |
13003 | ret = drm_atomic_add_affected_planes(state, crtc); | |
13004 | if (ret) | |
13005 | return ret; | |
13006 | ||
13007 | /* | |
13008 | * We ought to handle i915.fastboot here. | |
13009 | * If no modeset is required and the primary plane has | |
13010 | * a fb, update the members of crtc_state as needed, | |
13011 | * and run the necessary updates during vblank evasion. | |
13012 | */ | |
13013 | } | |
13014 | ||
b359283a ML |
13015 | if (!needs_modeset(crtc_state)) { |
13016 | ret = drm_atomic_add_affected_connectors(state, crtc); | |
13017 | if (ret) | |
13018 | return ret; | |
13019 | } | |
13020 | ||
13021 | ret = intel_modeset_pipe_config(crtc, | |
13022 | to_intel_crtc_state(crtc_state)); | |
c347a676 ACO |
13023 | if (ret) |
13024 | return ret; | |
13025 | ||
61333b60 ML |
13026 | if (needs_modeset(crtc_state)) |
13027 | any_ms = true; | |
13028 | ||
c347a676 ACO |
13029 | intel_dump_pipe_config(to_intel_crtc(crtc), |
13030 | to_intel_crtc_state(crtc_state), | |
13031 | "[modeset]"); | |
13032 | } | |
13033 | ||
61333b60 ML |
13034 | if (any_ms) { |
13035 | ret = intel_modeset_checks(state); | |
13036 | ||
13037 | if (ret) | |
13038 | return ret; | |
27c329ed ML |
13039 | } else |
13040 | to_intel_atomic_state(state)->cdclk = | |
13041 | to_i915(state->dev)->cdclk_freq; | |
c347a676 ACO |
13042 | |
13043 | return drm_atomic_helper_check_planes(state->dev, state); | |
054518dd ACO |
13044 | } |
13045 | ||
c72d969b | 13046 | static int __intel_set_mode(struct drm_atomic_state *state) |
a6778b3c | 13047 | { |
c72d969b | 13048 | struct drm_device *dev = state->dev; |
fbee40df | 13049 | struct drm_i915_private *dev_priv = dev->dev_private; |
0a9ab303 ACO |
13050 | struct drm_crtc *crtc; |
13051 | struct drm_crtc_state *crtc_state; | |
c0c36b94 | 13052 | int ret = 0; |
0a9ab303 | 13053 | int i; |
61333b60 | 13054 | bool any_ms = false; |
a6778b3c | 13055 | |
d4afb8cc ACO |
13056 | ret = drm_atomic_helper_prepare_planes(dev, state); |
13057 | if (ret) | |
13058 | return ret; | |
13059 | ||
1c5e19f8 ML |
13060 | drm_atomic_helper_swap_state(dev, state); |
13061 | ||
0a9ab303 | 13062 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
a539205a ML |
13063 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
13064 | ||
61333b60 ML |
13065 | if (!needs_modeset(crtc->state)) |
13066 | continue; | |
13067 | ||
13068 | any_ms = true; | |
a539205a | 13069 | intel_pre_plane_update(intel_crtc); |
460da916 | 13070 | |
a539205a ML |
13071 | if (crtc_state->active) { |
13072 | intel_crtc_disable_planes(crtc, crtc_state->plane_mask); | |
13073 | dev_priv->display.crtc_disable(crtc); | |
eddfcbcd ML |
13074 | intel_crtc->active = false; |
13075 | intel_disable_shared_dpll(intel_crtc); | |
a539205a | 13076 | } |
b8cecdf5 | 13077 | } |
7758a113 | 13078 | |
ea9d758d DV |
13079 | /* Only after disabling all output pipelines that will be changed can we |
13080 | * update the the output configuration. */ | |
0a9ab303 | 13081 | intel_modeset_update_state(state); |
f6e5b160 | 13082 | |
a821fc46 ACO |
13083 | /* The state has been swaped above, so state actually contains the |
13084 | * old state now. */ | |
61333b60 ML |
13085 | if (any_ms) |
13086 | modeset_update_crtc_power_domains(state); | |
47fab737 | 13087 | |
a6778b3c | 13088 | /* Now enable the clocks, plane, pipe, and connectors that we set up. */ |
0a9ab303 | 13089 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
a539205a ML |
13090 | if (needs_modeset(crtc->state) && crtc->state->active) { |
13091 | update_scanline_offset(to_intel_crtc(crtc)); | |
13092 | dev_priv->display.crtc_enable(crtc); | |
13093 | } | |
80715b2f | 13094 | |
a539205a | 13095 | drm_atomic_helper_commit_planes_on_crtc(crtc_state); |
80715b2f | 13096 | } |
a6778b3c | 13097 | |
a6778b3c | 13098 | /* FIXME: add subpixel order */ |
83a57153 | 13099 | |
d4afb8cc ACO |
13100 | drm_atomic_helper_cleanup_planes(dev, state); |
13101 | ||
2bfb4627 ACO |
13102 | drm_atomic_state_free(state); |
13103 | ||
9eb45f22 | 13104 | return 0; |
f6e5b160 CW |
13105 | } |
13106 | ||
568c634a | 13107 | static int intel_set_mode_checked(struct drm_atomic_state *state) |
f30da187 | 13108 | { |
568c634a | 13109 | struct drm_device *dev = state->dev; |
f30da187 DV |
13110 | int ret; |
13111 | ||
568c634a | 13112 | ret = __intel_set_mode(state); |
f30da187 | 13113 | if (ret == 0) |
568c634a | 13114 | intel_modeset_check_state(dev); |
f30da187 DV |
13115 | |
13116 | return ret; | |
13117 | } | |
13118 | ||
568c634a | 13119 | static int intel_set_mode(struct drm_atomic_state *state) |
7f27126e | 13120 | { |
568c634a | 13121 | int ret; |
83a57153 | 13122 | |
568c634a | 13123 | ret = intel_modeset_compute_config(state); |
83a57153 | 13124 | if (ret) |
568c634a | 13125 | return ret; |
7f27126e | 13126 | |
568c634a | 13127 | return intel_set_mode_checked(state); |
7f27126e JB |
13128 | } |
13129 | ||
c0c36b94 CW |
13130 | void intel_crtc_restore_mode(struct drm_crtc *crtc) |
13131 | { | |
83a57153 ACO |
13132 | struct drm_device *dev = crtc->dev; |
13133 | struct drm_atomic_state *state; | |
13134 | struct intel_encoder *encoder; | |
13135 | struct intel_connector *connector; | |
13136 | struct drm_connector_state *connector_state; | |
4be07317 | 13137 | struct intel_crtc_state *crtc_state; |
2bfb4627 | 13138 | int ret; |
83a57153 ACO |
13139 | |
13140 | state = drm_atomic_state_alloc(dev); | |
13141 | if (!state) { | |
13142 | DRM_DEBUG_KMS("[CRTC:%d] mode restore failed, out of memory", | |
13143 | crtc->base.id); | |
13144 | return; | |
13145 | } | |
13146 | ||
13147 | state->acquire_ctx = dev->mode_config.acquire_ctx; | |
13148 | ||
13149 | /* The force restore path in the HW readout code relies on the staged | |
13150 | * config still keeping the user requested config while the actual | |
13151 | * state has been overwritten by the configuration read from HW. We | |
13152 | * need to copy the staged config to the atomic state, otherwise the | |
13153 | * mode set will just reapply the state the HW is already in. */ | |
13154 | for_each_intel_encoder(dev, encoder) { | |
13155 | if (&encoder->new_crtc->base != crtc) | |
13156 | continue; | |
13157 | ||
13158 | for_each_intel_connector(dev, connector) { | |
13159 | if (connector->new_encoder != encoder) | |
13160 | continue; | |
13161 | ||
13162 | connector_state = drm_atomic_get_connector_state(state, &connector->base); | |
13163 | if (IS_ERR(connector_state)) { | |
13164 | DRM_DEBUG_KMS("Failed to add [CONNECTOR:%d:%s] to state: %ld\n", | |
13165 | connector->base.base.id, | |
13166 | connector->base.name, | |
13167 | PTR_ERR(connector_state)); | |
13168 | continue; | |
13169 | } | |
13170 | ||
13171 | connector_state->crtc = crtc; | |
13172 | connector_state->best_encoder = &encoder->base; | |
13173 | } | |
13174 | } | |
13175 | ||
4ed9fb37 ACO |
13176 | crtc_state = intel_atomic_get_crtc_state(state, to_intel_crtc(crtc)); |
13177 | if (IS_ERR(crtc_state)) { | |
13178 | DRM_DEBUG_KMS("Failed to add [CRTC:%d] to state: %ld\n", | |
13179 | crtc->base.id, PTR_ERR(crtc_state)); | |
13180 | drm_atomic_state_free(state); | |
13181 | return; | |
13182 | } | |
4be07317 | 13183 | |
4ed9fb37 ACO |
13184 | crtc_state->base.active = crtc_state->base.enable = |
13185 | to_intel_crtc(crtc)->new_enabled; | |
8c7b5ccb | 13186 | |
4ed9fb37 | 13187 | drm_mode_copy(&crtc_state->base.mode, &crtc->mode); |
4be07317 | 13188 | |
d3a40d1b ACO |
13189 | intel_modeset_setup_plane_state(state, crtc, &crtc->mode, |
13190 | crtc->primary->fb, crtc->x, crtc->y); | |
13191 | ||
568c634a | 13192 | ret = intel_set_mode(state); |
2bfb4627 ACO |
13193 | if (ret) |
13194 | drm_atomic_state_free(state); | |
c0c36b94 CW |
13195 | } |
13196 | ||
25c5b266 DV |
13197 | #undef for_each_intel_crtc_masked |
13198 | ||
b7885264 ACO |
13199 | static bool intel_connector_in_mode_set(struct intel_connector *connector, |
13200 | struct drm_mode_set *set) | |
13201 | { | |
13202 | int ro; | |
13203 | ||
13204 | for (ro = 0; ro < set->num_connectors; ro++) | |
13205 | if (set->connectors[ro] == &connector->base) | |
13206 | return true; | |
13207 | ||
13208 | return false; | |
13209 | } | |
13210 | ||
2e431051 | 13211 | static int |
9a935856 DV |
13212 | intel_modeset_stage_output_state(struct drm_device *dev, |
13213 | struct drm_mode_set *set, | |
944b0c76 | 13214 | struct drm_atomic_state *state) |
50f56119 | 13215 | { |
9a935856 | 13216 | struct intel_connector *connector; |
d5432a9d | 13217 | struct drm_connector *drm_connector; |
944b0c76 | 13218 | struct drm_connector_state *connector_state; |
d5432a9d ACO |
13219 | struct drm_crtc *crtc; |
13220 | struct drm_crtc_state *crtc_state; | |
13221 | int i, ret; | |
50f56119 | 13222 | |
9abdda74 | 13223 | /* The upper layers ensure that we either disable a crtc or have a list |
9a935856 DV |
13224 | * of connectors. For paranoia, double-check this. */ |
13225 | WARN_ON(!set->fb && (set->num_connectors != 0)); | |
13226 | WARN_ON(set->fb && (set->num_connectors == 0)); | |
13227 | ||
3a3371ff | 13228 | for_each_intel_connector(dev, connector) { |
b7885264 ACO |
13229 | bool in_mode_set = intel_connector_in_mode_set(connector, set); |
13230 | ||
d5432a9d ACO |
13231 | if (!in_mode_set && connector->base.state->crtc != set->crtc) |
13232 | continue; | |
13233 | ||
13234 | connector_state = | |
13235 | drm_atomic_get_connector_state(state, &connector->base); | |
13236 | if (IS_ERR(connector_state)) | |
13237 | return PTR_ERR(connector_state); | |
13238 | ||
b7885264 ACO |
13239 | if (in_mode_set) { |
13240 | int pipe = to_intel_crtc(set->crtc)->pipe; | |
d5432a9d ACO |
13241 | connector_state->best_encoder = |
13242 | &intel_find_encoder(connector, pipe)->base; | |
50f56119 DV |
13243 | } |
13244 | ||
d5432a9d | 13245 | if (connector->base.state->crtc != set->crtc) |
b7885264 ACO |
13246 | continue; |
13247 | ||
9a935856 DV |
13248 | /* If we disable the crtc, disable all its connectors. Also, if |
13249 | * the connector is on the changing crtc but not on the new | |
13250 | * connector list, disable it. */ | |
b7885264 | 13251 | if (!set->fb || !in_mode_set) { |
d5432a9d | 13252 | connector_state->best_encoder = NULL; |
9a935856 DV |
13253 | |
13254 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [NOCRTC]\n", | |
13255 | connector->base.base.id, | |
c23cc417 | 13256 | connector->base.name); |
9a935856 | 13257 | } |
50f56119 | 13258 | } |
9a935856 | 13259 | /* connector->new_encoder is now updated for all connectors. */ |
50f56119 | 13260 | |
d5432a9d ACO |
13261 | for_each_connector_in_state(state, drm_connector, connector_state, i) { |
13262 | connector = to_intel_connector(drm_connector); | |
13263 | ||
13264 | if (!connector_state->best_encoder) { | |
13265 | ret = drm_atomic_set_crtc_for_connector(connector_state, | |
13266 | NULL); | |
13267 | if (ret) | |
13268 | return ret; | |
7668851f | 13269 | |
50f56119 | 13270 | continue; |
d5432a9d | 13271 | } |
50f56119 | 13272 | |
d5432a9d ACO |
13273 | if (intel_connector_in_mode_set(connector, set)) { |
13274 | struct drm_crtc *crtc = connector->base.state->crtc; | |
13275 | ||
13276 | /* If this connector was in a previous crtc, add it | |
13277 | * to the state. We might need to disable it. */ | |
13278 | if (crtc) { | |
13279 | crtc_state = | |
13280 | drm_atomic_get_crtc_state(state, crtc); | |
13281 | if (IS_ERR(crtc_state)) | |
13282 | return PTR_ERR(crtc_state); | |
13283 | } | |
13284 | ||
13285 | ret = drm_atomic_set_crtc_for_connector(connector_state, | |
13286 | set->crtc); | |
13287 | if (ret) | |
13288 | return ret; | |
13289 | } | |
50f56119 DV |
13290 | |
13291 | /* Make sure the new CRTC will work with the encoder */ | |
d5432a9d ACO |
13292 | if (!drm_encoder_crtc_ok(connector_state->best_encoder, |
13293 | connector_state->crtc)) { | |
5e2b584e | 13294 | return -EINVAL; |
50f56119 | 13295 | } |
944b0c76 | 13296 | |
9a935856 DV |
13297 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [CRTC:%d]\n", |
13298 | connector->base.base.id, | |
c23cc417 | 13299 | connector->base.name, |
d5432a9d | 13300 | connector_state->crtc->base.id); |
944b0c76 | 13301 | |
d5432a9d ACO |
13302 | if (connector_state->best_encoder != &connector->encoder->base) |
13303 | connector->encoder = | |
13304 | to_intel_encoder(connector_state->best_encoder); | |
0e32b39c | 13305 | } |
7668851f | 13306 | |
d5432a9d | 13307 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
49d6fa21 ML |
13308 | bool has_connectors; |
13309 | ||
d5432a9d ACO |
13310 | ret = drm_atomic_add_affected_connectors(state, crtc); |
13311 | if (ret) | |
13312 | return ret; | |
4be07317 | 13313 | |
49d6fa21 ML |
13314 | has_connectors = !!drm_atomic_connectors_for_crtc(state, crtc); |
13315 | if (has_connectors != crtc_state->enable) | |
13316 | crtc_state->enable = | |
13317 | crtc_state->active = has_connectors; | |
7668851f VS |
13318 | } |
13319 | ||
8c7b5ccb ACO |
13320 | ret = intel_modeset_setup_plane_state(state, set->crtc, set->mode, |
13321 | set->fb, set->x, set->y); | |
13322 | if (ret) | |
13323 | return ret; | |
13324 | ||
13325 | crtc_state = drm_atomic_get_crtc_state(state, set->crtc); | |
13326 | if (IS_ERR(crtc_state)) | |
13327 | return PTR_ERR(crtc_state); | |
13328 | ||
ce52299c MR |
13329 | ret = drm_atomic_set_mode_for_crtc(crtc_state, set->mode); |
13330 | if (ret) | |
13331 | return ret; | |
8c7b5ccb ACO |
13332 | |
13333 | if (set->num_connectors) | |
13334 | crtc_state->active = true; | |
13335 | ||
2e431051 DV |
13336 | return 0; |
13337 | } | |
13338 | ||
13339 | static int intel_crtc_set_config(struct drm_mode_set *set) | |
13340 | { | |
13341 | struct drm_device *dev; | |
83a57153 | 13342 | struct drm_atomic_state *state = NULL; |
2e431051 | 13343 | int ret; |
2e431051 | 13344 | |
8d3e375e DV |
13345 | BUG_ON(!set); |
13346 | BUG_ON(!set->crtc); | |
13347 | BUG_ON(!set->crtc->helper_private); | |
2e431051 | 13348 | |
7e53f3a4 DV |
13349 | /* Enforce sane interface api - has been abused by the fb helper. */ |
13350 | BUG_ON(!set->mode && set->fb); | |
13351 | BUG_ON(set->fb && set->num_connectors == 0); | |
431e50f7 | 13352 | |
2e431051 DV |
13353 | if (set->fb) { |
13354 | DRM_DEBUG_KMS("[CRTC:%d] [FB:%d] #connectors=%d (x y) (%i %i)\n", | |
13355 | set->crtc->base.id, set->fb->base.id, | |
13356 | (int)set->num_connectors, set->x, set->y); | |
13357 | } else { | |
13358 | DRM_DEBUG_KMS("[CRTC:%d] [NOFB]\n", set->crtc->base.id); | |
2e431051 DV |
13359 | } |
13360 | ||
13361 | dev = set->crtc->dev; | |
13362 | ||
83a57153 | 13363 | state = drm_atomic_state_alloc(dev); |
7cbf41d6 ACO |
13364 | if (!state) |
13365 | return -ENOMEM; | |
83a57153 ACO |
13366 | |
13367 | state->acquire_ctx = dev->mode_config.acquire_ctx; | |
13368 | ||
462a425a | 13369 | ret = intel_modeset_stage_output_state(dev, set, state); |
2e431051 | 13370 | if (ret) |
7cbf41d6 | 13371 | goto out; |
2e431051 | 13372 | |
568c634a ACO |
13373 | ret = intel_modeset_compute_config(state); |
13374 | if (ret) | |
7cbf41d6 | 13375 | goto out; |
50f52756 | 13376 | |
1f9954d0 JB |
13377 | intel_update_pipe_size(to_intel_crtc(set->crtc)); |
13378 | ||
568c634a | 13379 | ret = intel_set_mode_checked(state); |
2d05eae1 | 13380 | if (ret) { |
bf67dfeb DV |
13381 | DRM_DEBUG_KMS("failed to set mode on [CRTC:%d], err = %d\n", |
13382 | set->crtc->base.id, ret); | |
2d05eae1 | 13383 | } |
50f56119 | 13384 | |
7cbf41d6 | 13385 | out: |
2bfb4627 ACO |
13386 | if (ret) |
13387 | drm_atomic_state_free(state); | |
50f56119 DV |
13388 | return ret; |
13389 | } | |
f6e5b160 CW |
13390 | |
13391 | static const struct drm_crtc_funcs intel_crtc_funcs = { | |
f6e5b160 | 13392 | .gamma_set = intel_crtc_gamma_set, |
50f56119 | 13393 | .set_config = intel_crtc_set_config, |
f6e5b160 CW |
13394 | .destroy = intel_crtc_destroy, |
13395 | .page_flip = intel_crtc_page_flip, | |
1356837e MR |
13396 | .atomic_duplicate_state = intel_crtc_duplicate_state, |
13397 | .atomic_destroy_state = intel_crtc_destroy_state, | |
f6e5b160 CW |
13398 | }; |
13399 | ||
5358901f DV |
13400 | static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv, |
13401 | struct intel_shared_dpll *pll, | |
13402 | struct intel_dpll_hw_state *hw_state) | |
ee7b9f93 | 13403 | { |
5358901f | 13404 | uint32_t val; |
ee7b9f93 | 13405 | |
f458ebbc | 13406 | if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PLLS)) |
bd2bb1b9 PZ |
13407 | return false; |
13408 | ||
5358901f | 13409 | val = I915_READ(PCH_DPLL(pll->id)); |
66e985c0 DV |
13410 | hw_state->dpll = val; |
13411 | hw_state->fp0 = I915_READ(PCH_FP0(pll->id)); | |
13412 | hw_state->fp1 = I915_READ(PCH_FP1(pll->id)); | |
5358901f DV |
13413 | |
13414 | return val & DPLL_VCO_ENABLE; | |
13415 | } | |
13416 | ||
15bdd4cf DV |
13417 | static void ibx_pch_dpll_mode_set(struct drm_i915_private *dev_priv, |
13418 | struct intel_shared_dpll *pll) | |
13419 | { | |
3e369b76 ACO |
13420 | I915_WRITE(PCH_FP0(pll->id), pll->config.hw_state.fp0); |
13421 | I915_WRITE(PCH_FP1(pll->id), pll->config.hw_state.fp1); | |
15bdd4cf DV |
13422 | } |
13423 | ||
e7b903d2 DV |
13424 | static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv, |
13425 | struct intel_shared_dpll *pll) | |
13426 | { | |
e7b903d2 | 13427 | /* PCH refclock must be enabled first */ |
89eff4be | 13428 | ibx_assert_pch_refclk_enabled(dev_priv); |
e7b903d2 | 13429 | |
3e369b76 | 13430 | I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll); |
15bdd4cf DV |
13431 | |
13432 | /* Wait for the clocks to stabilize. */ | |
13433 | POSTING_READ(PCH_DPLL(pll->id)); | |
13434 | udelay(150); | |
13435 | ||
13436 | /* The pixel multiplier can only be updated once the | |
13437 | * DPLL is enabled and the clocks are stable. | |
13438 | * | |
13439 | * So write it again. | |
13440 | */ | |
3e369b76 | 13441 | I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll); |
15bdd4cf | 13442 | POSTING_READ(PCH_DPLL(pll->id)); |
e7b903d2 DV |
13443 | udelay(200); |
13444 | } | |
13445 | ||
13446 | static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv, | |
13447 | struct intel_shared_dpll *pll) | |
13448 | { | |
13449 | struct drm_device *dev = dev_priv->dev; | |
13450 | struct intel_crtc *crtc; | |
e7b903d2 DV |
13451 | |
13452 | /* Make sure no transcoder isn't still depending on us. */ | |
d3fcc808 | 13453 | for_each_intel_crtc(dev, crtc) { |
e7b903d2 DV |
13454 | if (intel_crtc_to_shared_dpll(crtc) == pll) |
13455 | assert_pch_transcoder_disabled(dev_priv, crtc->pipe); | |
ee7b9f93 JB |
13456 | } |
13457 | ||
15bdd4cf DV |
13458 | I915_WRITE(PCH_DPLL(pll->id), 0); |
13459 | POSTING_READ(PCH_DPLL(pll->id)); | |
e7b903d2 DV |
13460 | udelay(200); |
13461 | } | |
13462 | ||
46edb027 DV |
13463 | static char *ibx_pch_dpll_names[] = { |
13464 | "PCH DPLL A", | |
13465 | "PCH DPLL B", | |
13466 | }; | |
13467 | ||
7c74ade1 | 13468 | static void ibx_pch_dpll_init(struct drm_device *dev) |
ee7b9f93 | 13469 | { |
e7b903d2 | 13470 | struct drm_i915_private *dev_priv = dev->dev_private; |
ee7b9f93 JB |
13471 | int i; |
13472 | ||
7c74ade1 | 13473 | dev_priv->num_shared_dpll = 2; |
ee7b9f93 | 13474 | |
e72f9fbf | 13475 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
46edb027 DV |
13476 | dev_priv->shared_dplls[i].id = i; |
13477 | dev_priv->shared_dplls[i].name = ibx_pch_dpll_names[i]; | |
15bdd4cf | 13478 | dev_priv->shared_dplls[i].mode_set = ibx_pch_dpll_mode_set; |
e7b903d2 DV |
13479 | dev_priv->shared_dplls[i].enable = ibx_pch_dpll_enable; |
13480 | dev_priv->shared_dplls[i].disable = ibx_pch_dpll_disable; | |
5358901f DV |
13481 | dev_priv->shared_dplls[i].get_hw_state = |
13482 | ibx_pch_dpll_get_hw_state; | |
ee7b9f93 JB |
13483 | } |
13484 | } | |
13485 | ||
7c74ade1 DV |
13486 | static void intel_shared_dpll_init(struct drm_device *dev) |
13487 | { | |
e7b903d2 | 13488 | struct drm_i915_private *dev_priv = dev->dev_private; |
7c74ade1 | 13489 | |
b6283055 VS |
13490 | intel_update_cdclk(dev); |
13491 | ||
9cd86933 DV |
13492 | if (HAS_DDI(dev)) |
13493 | intel_ddi_pll_init(dev); | |
13494 | else if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
7c74ade1 DV |
13495 | ibx_pch_dpll_init(dev); |
13496 | else | |
13497 | dev_priv->num_shared_dpll = 0; | |
13498 | ||
13499 | BUG_ON(dev_priv->num_shared_dpll > I915_NUM_PLLS); | |
7c74ade1 DV |
13500 | } |
13501 | ||
6beb8c23 MR |
13502 | /** |
13503 | * intel_prepare_plane_fb - Prepare fb for usage on plane | |
13504 | * @plane: drm plane to prepare for | |
13505 | * @fb: framebuffer to prepare for presentation | |
13506 | * | |
13507 | * Prepares a framebuffer for usage on a display plane. Generally this | |
13508 | * involves pinning the underlying object and updating the frontbuffer tracking | |
13509 | * bits. Some older platforms need special physical address handling for | |
13510 | * cursor planes. | |
13511 | * | |
13512 | * Returns 0 on success, negative error code on failure. | |
13513 | */ | |
13514 | int | |
13515 | intel_prepare_plane_fb(struct drm_plane *plane, | |
d136dfee TU |
13516 | struct drm_framebuffer *fb, |
13517 | const struct drm_plane_state *new_state) | |
465c120c MR |
13518 | { |
13519 | struct drm_device *dev = plane->dev; | |
6beb8c23 MR |
13520 | struct intel_plane *intel_plane = to_intel_plane(plane); |
13521 | enum pipe pipe = intel_plane->pipe; | |
13522 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); | |
13523 | struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb); | |
13524 | unsigned frontbuffer_bits = 0; | |
13525 | int ret = 0; | |
465c120c | 13526 | |
ea2c67bb | 13527 | if (!obj) |
465c120c MR |
13528 | return 0; |
13529 | ||
6beb8c23 MR |
13530 | switch (plane->type) { |
13531 | case DRM_PLANE_TYPE_PRIMARY: | |
13532 | frontbuffer_bits = INTEL_FRONTBUFFER_PRIMARY(pipe); | |
13533 | break; | |
13534 | case DRM_PLANE_TYPE_CURSOR: | |
13535 | frontbuffer_bits = INTEL_FRONTBUFFER_CURSOR(pipe); | |
13536 | break; | |
13537 | case DRM_PLANE_TYPE_OVERLAY: | |
13538 | frontbuffer_bits = INTEL_FRONTBUFFER_SPRITE(pipe); | |
13539 | break; | |
13540 | } | |
465c120c | 13541 | |
6beb8c23 | 13542 | mutex_lock(&dev->struct_mutex); |
465c120c | 13543 | |
6beb8c23 MR |
13544 | if (plane->type == DRM_PLANE_TYPE_CURSOR && |
13545 | INTEL_INFO(dev)->cursor_needs_physical) { | |
13546 | int align = IS_I830(dev) ? 16 * 1024 : 256; | |
13547 | ret = i915_gem_object_attach_phys(obj, align); | |
13548 | if (ret) | |
13549 | DRM_DEBUG_KMS("failed to attach phys object\n"); | |
13550 | } else { | |
91af127f | 13551 | ret = intel_pin_and_fence_fb_obj(plane, fb, new_state, NULL, NULL); |
6beb8c23 | 13552 | } |
465c120c | 13553 | |
6beb8c23 MR |
13554 | if (ret == 0) |
13555 | i915_gem_track_fb(old_obj, obj, frontbuffer_bits); | |
fdd508a6 | 13556 | |
4c34574f | 13557 | mutex_unlock(&dev->struct_mutex); |
465c120c | 13558 | |
6beb8c23 MR |
13559 | return ret; |
13560 | } | |
13561 | ||
38f3ce3a MR |
13562 | /** |
13563 | * intel_cleanup_plane_fb - Cleans up an fb after plane use | |
13564 | * @plane: drm plane to clean up for | |
13565 | * @fb: old framebuffer that was on plane | |
13566 | * | |
13567 | * Cleans up a framebuffer that has just been removed from a plane. | |
13568 | */ | |
13569 | void | |
13570 | intel_cleanup_plane_fb(struct drm_plane *plane, | |
d136dfee TU |
13571 | struct drm_framebuffer *fb, |
13572 | const struct drm_plane_state *old_state) | |
38f3ce3a MR |
13573 | { |
13574 | struct drm_device *dev = plane->dev; | |
13575 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); | |
13576 | ||
13577 | if (WARN_ON(!obj)) | |
13578 | return; | |
13579 | ||
13580 | if (plane->type != DRM_PLANE_TYPE_CURSOR || | |
13581 | !INTEL_INFO(dev)->cursor_needs_physical) { | |
13582 | mutex_lock(&dev->struct_mutex); | |
82bc3b2d | 13583 | intel_unpin_fb_obj(fb, old_state); |
38f3ce3a MR |
13584 | mutex_unlock(&dev->struct_mutex); |
13585 | } | |
465c120c MR |
13586 | } |
13587 | ||
6156a456 CK |
13588 | int |
13589 | skl_max_scale(struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state) | |
13590 | { | |
13591 | int max_scale; | |
13592 | struct drm_device *dev; | |
13593 | struct drm_i915_private *dev_priv; | |
13594 | int crtc_clock, cdclk; | |
13595 | ||
13596 | if (!intel_crtc || !crtc_state) | |
13597 | return DRM_PLANE_HELPER_NO_SCALING; | |
13598 | ||
13599 | dev = intel_crtc->base.dev; | |
13600 | dev_priv = dev->dev_private; | |
13601 | crtc_clock = crtc_state->base.adjusted_mode.crtc_clock; | |
27c329ed | 13602 | cdclk = to_intel_atomic_state(crtc_state->base.state)->cdclk; |
6156a456 CK |
13603 | |
13604 | if (!crtc_clock || !cdclk) | |
13605 | return DRM_PLANE_HELPER_NO_SCALING; | |
13606 | ||
13607 | /* | |
13608 | * skl max scale is lower of: | |
13609 | * close to 3 but not 3, -1 is for that purpose | |
13610 | * or | |
13611 | * cdclk/crtc_clock | |
13612 | */ | |
13613 | max_scale = min((1 << 16) * 3 - 1, (1 << 8) * ((cdclk << 8) / crtc_clock)); | |
13614 | ||
13615 | return max_scale; | |
13616 | } | |
13617 | ||
465c120c | 13618 | static int |
3c692a41 | 13619 | intel_check_primary_plane(struct drm_plane *plane, |
061e4b8d | 13620 | struct intel_crtc_state *crtc_state, |
3c692a41 GP |
13621 | struct intel_plane_state *state) |
13622 | { | |
2b875c22 MR |
13623 | struct drm_crtc *crtc = state->base.crtc; |
13624 | struct drm_framebuffer *fb = state->base.fb; | |
6156a456 | 13625 | int min_scale = DRM_PLANE_HELPER_NO_SCALING; |
061e4b8d ML |
13626 | int max_scale = DRM_PLANE_HELPER_NO_SCALING; |
13627 | bool can_position = false; | |
465c120c | 13628 | |
061e4b8d ML |
13629 | /* use scaler when colorkey is not required */ |
13630 | if (INTEL_INFO(plane->dev)->gen >= 9 && | |
818ed961 | 13631 | state->ckey.flags == I915_SET_COLORKEY_NONE) { |
061e4b8d ML |
13632 | min_scale = 1; |
13633 | max_scale = skl_max_scale(to_intel_crtc(crtc), crtc_state); | |
d8106366 | 13634 | can_position = true; |
6156a456 | 13635 | } |
d8106366 | 13636 | |
061e4b8d ML |
13637 | return drm_plane_helper_check_update(plane, crtc, fb, &state->src, |
13638 | &state->dst, &state->clip, | |
da20eabd ML |
13639 | min_scale, max_scale, |
13640 | can_position, true, | |
13641 | &state->visible); | |
14af293f GP |
13642 | } |
13643 | ||
13644 | static void | |
13645 | intel_commit_primary_plane(struct drm_plane *plane, | |
13646 | struct intel_plane_state *state) | |
13647 | { | |
2b875c22 MR |
13648 | struct drm_crtc *crtc = state->base.crtc; |
13649 | struct drm_framebuffer *fb = state->base.fb; | |
13650 | struct drm_device *dev = plane->dev; | |
14af293f | 13651 | struct drm_i915_private *dev_priv = dev->dev_private; |
ea2c67bb | 13652 | struct intel_crtc *intel_crtc; |
14af293f GP |
13653 | struct drm_rect *src = &state->src; |
13654 | ||
ea2c67bb MR |
13655 | crtc = crtc ? crtc : plane->crtc; |
13656 | intel_crtc = to_intel_crtc(crtc); | |
cf4c7c12 MR |
13657 | |
13658 | plane->fb = fb; | |
9dc806fc MR |
13659 | crtc->x = src->x1 >> 16; |
13660 | crtc->y = src->y1 >> 16; | |
ccc759dc | 13661 | |
a539205a | 13662 | if (!crtc->state->active) |
302d19ac | 13663 | return; |
465c120c | 13664 | |
302d19ac ML |
13665 | if (state->visible) |
13666 | /* FIXME: kill this fastboot hack */ | |
13667 | intel_update_pipe_size(intel_crtc); | |
13668 | ||
13669 | dev_priv->display.update_primary_plane(crtc, fb, crtc->x, crtc->y); | |
465c120c MR |
13670 | } |
13671 | ||
a8ad0d8e ML |
13672 | static void |
13673 | intel_disable_primary_plane(struct drm_plane *plane, | |
7fabf5ef | 13674 | struct drm_crtc *crtc) |
a8ad0d8e ML |
13675 | { |
13676 | struct drm_device *dev = plane->dev; | |
13677 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13678 | ||
a8ad0d8e ML |
13679 | dev_priv->display.update_primary_plane(crtc, NULL, 0, 0); |
13680 | } | |
13681 | ||
32b7eeec | 13682 | static void intel_begin_crtc_commit(struct drm_crtc *crtc) |
3c692a41 | 13683 | { |
32b7eeec | 13684 | struct drm_device *dev = crtc->dev; |
140fd38d | 13685 | struct drm_i915_private *dev_priv = dev->dev_private; |
3c692a41 | 13686 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3c692a41 | 13687 | |
a539205a ML |
13688 | if (!needs_modeset(crtc->state)) |
13689 | intel_pre_plane_update(intel_crtc); | |
3c692a41 | 13690 | |
32b7eeec MR |
13691 | if (intel_crtc->atomic.update_wm) |
13692 | intel_update_watermarks(crtc); | |
3c692a41 | 13693 | |
32b7eeec | 13694 | intel_runtime_pm_get(dev_priv); |
3c692a41 | 13695 | |
c34c9ee4 | 13696 | /* Perform vblank evasion around commit operation */ |
a539205a | 13697 | if (crtc->state->active) |
c34c9ee4 MR |
13698 | intel_crtc->atomic.evade = |
13699 | intel_pipe_update_start(intel_crtc, | |
13700 | &intel_crtc->atomic.start_vbl_count); | |
0583236e ML |
13701 | |
13702 | if (!needs_modeset(crtc->state) && INTEL_INFO(dev)->gen >= 9) | |
13703 | skl_detach_scalers(intel_crtc); | |
32b7eeec MR |
13704 | } |
13705 | ||
13706 | static void intel_finish_crtc_commit(struct drm_crtc *crtc) | |
13707 | { | |
13708 | struct drm_device *dev = crtc->dev; | |
13709 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13710 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
32b7eeec | 13711 | |
c34c9ee4 MR |
13712 | if (intel_crtc->atomic.evade) |
13713 | intel_pipe_update_end(intel_crtc, | |
13714 | intel_crtc->atomic.start_vbl_count); | |
3c692a41 | 13715 | |
140fd38d | 13716 | intel_runtime_pm_put(dev_priv); |
3c692a41 | 13717 | |
ac21b225 | 13718 | intel_post_plane_update(intel_crtc); |
3c692a41 GP |
13719 | } |
13720 | ||
cf4c7c12 | 13721 | /** |
4a3b8769 MR |
13722 | * intel_plane_destroy - destroy a plane |
13723 | * @plane: plane to destroy | |
cf4c7c12 | 13724 | * |
4a3b8769 MR |
13725 | * Common destruction function for all types of planes (primary, cursor, |
13726 | * sprite). | |
cf4c7c12 | 13727 | */ |
4a3b8769 | 13728 | void intel_plane_destroy(struct drm_plane *plane) |
465c120c MR |
13729 | { |
13730 | struct intel_plane *intel_plane = to_intel_plane(plane); | |
13731 | drm_plane_cleanup(plane); | |
13732 | kfree(intel_plane); | |
13733 | } | |
13734 | ||
65a3fea0 | 13735 | const struct drm_plane_funcs intel_plane_funcs = { |
70a101f8 MR |
13736 | .update_plane = drm_atomic_helper_update_plane, |
13737 | .disable_plane = drm_atomic_helper_disable_plane, | |
3d7d6510 | 13738 | .destroy = intel_plane_destroy, |
c196e1d6 | 13739 | .set_property = drm_atomic_helper_plane_set_property, |
a98b3431 MR |
13740 | .atomic_get_property = intel_plane_atomic_get_property, |
13741 | .atomic_set_property = intel_plane_atomic_set_property, | |
ea2c67bb MR |
13742 | .atomic_duplicate_state = intel_plane_duplicate_state, |
13743 | .atomic_destroy_state = intel_plane_destroy_state, | |
13744 | ||
465c120c MR |
13745 | }; |
13746 | ||
13747 | static struct drm_plane *intel_primary_plane_create(struct drm_device *dev, | |
13748 | int pipe) | |
13749 | { | |
13750 | struct intel_plane *primary; | |
8e7d688b | 13751 | struct intel_plane_state *state; |
465c120c MR |
13752 | const uint32_t *intel_primary_formats; |
13753 | int num_formats; | |
13754 | ||
13755 | primary = kzalloc(sizeof(*primary), GFP_KERNEL); | |
13756 | if (primary == NULL) | |
13757 | return NULL; | |
13758 | ||
8e7d688b MR |
13759 | state = intel_create_plane_state(&primary->base); |
13760 | if (!state) { | |
ea2c67bb MR |
13761 | kfree(primary); |
13762 | return NULL; | |
13763 | } | |
8e7d688b | 13764 | primary->base.state = &state->base; |
ea2c67bb | 13765 | |
465c120c MR |
13766 | primary->can_scale = false; |
13767 | primary->max_downscale = 1; | |
6156a456 CK |
13768 | if (INTEL_INFO(dev)->gen >= 9) { |
13769 | primary->can_scale = true; | |
af99ceda | 13770 | state->scaler_id = -1; |
6156a456 | 13771 | } |
465c120c MR |
13772 | primary->pipe = pipe; |
13773 | primary->plane = pipe; | |
c59cb179 MR |
13774 | primary->check_plane = intel_check_primary_plane; |
13775 | primary->commit_plane = intel_commit_primary_plane; | |
a8ad0d8e | 13776 | primary->disable_plane = intel_disable_primary_plane; |
465c120c MR |
13777 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) |
13778 | primary->plane = !pipe; | |
13779 | ||
6c0fd451 DL |
13780 | if (INTEL_INFO(dev)->gen >= 9) { |
13781 | intel_primary_formats = skl_primary_formats; | |
13782 | num_formats = ARRAY_SIZE(skl_primary_formats); | |
13783 | } else if (INTEL_INFO(dev)->gen >= 4) { | |
568db4f2 DL |
13784 | intel_primary_formats = i965_primary_formats; |
13785 | num_formats = ARRAY_SIZE(i965_primary_formats); | |
6c0fd451 DL |
13786 | } else { |
13787 | intel_primary_formats = i8xx_primary_formats; | |
13788 | num_formats = ARRAY_SIZE(i8xx_primary_formats); | |
465c120c MR |
13789 | } |
13790 | ||
13791 | drm_universal_plane_init(dev, &primary->base, 0, | |
65a3fea0 | 13792 | &intel_plane_funcs, |
465c120c MR |
13793 | intel_primary_formats, num_formats, |
13794 | DRM_PLANE_TYPE_PRIMARY); | |
48404c1e | 13795 | |
3b7a5119 SJ |
13796 | if (INTEL_INFO(dev)->gen >= 4) |
13797 | intel_create_rotation_property(dev, primary); | |
48404c1e | 13798 | |
ea2c67bb MR |
13799 | drm_plane_helper_add(&primary->base, &intel_plane_helper_funcs); |
13800 | ||
465c120c MR |
13801 | return &primary->base; |
13802 | } | |
13803 | ||
3b7a5119 SJ |
13804 | void intel_create_rotation_property(struct drm_device *dev, struct intel_plane *plane) |
13805 | { | |
13806 | if (!dev->mode_config.rotation_property) { | |
13807 | unsigned long flags = BIT(DRM_ROTATE_0) | | |
13808 | BIT(DRM_ROTATE_180); | |
13809 | ||
13810 | if (INTEL_INFO(dev)->gen >= 9) | |
13811 | flags |= BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270); | |
13812 | ||
13813 | dev->mode_config.rotation_property = | |
13814 | drm_mode_create_rotation_property(dev, flags); | |
13815 | } | |
13816 | if (dev->mode_config.rotation_property) | |
13817 | drm_object_attach_property(&plane->base.base, | |
13818 | dev->mode_config.rotation_property, | |
13819 | plane->base.state->rotation); | |
13820 | } | |
13821 | ||
3d7d6510 | 13822 | static int |
852e787c | 13823 | intel_check_cursor_plane(struct drm_plane *plane, |
061e4b8d | 13824 | struct intel_crtc_state *crtc_state, |
852e787c | 13825 | struct intel_plane_state *state) |
3d7d6510 | 13826 | { |
061e4b8d | 13827 | struct drm_crtc *crtc = crtc_state->base.crtc; |
2b875c22 | 13828 | struct drm_framebuffer *fb = state->base.fb; |
757f9a3e | 13829 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
757f9a3e GP |
13830 | unsigned stride; |
13831 | int ret; | |
3d7d6510 | 13832 | |
061e4b8d ML |
13833 | ret = drm_plane_helper_check_update(plane, crtc, fb, &state->src, |
13834 | &state->dst, &state->clip, | |
3d7d6510 MR |
13835 | DRM_PLANE_HELPER_NO_SCALING, |
13836 | DRM_PLANE_HELPER_NO_SCALING, | |
852e787c | 13837 | true, true, &state->visible); |
757f9a3e GP |
13838 | if (ret) |
13839 | return ret; | |
13840 | ||
757f9a3e GP |
13841 | /* if we want to turn off the cursor ignore width and height */ |
13842 | if (!obj) | |
da20eabd | 13843 | return 0; |
757f9a3e | 13844 | |
757f9a3e | 13845 | /* Check for which cursor types we support */ |
061e4b8d | 13846 | if (!cursor_size_ok(plane->dev, state->base.crtc_w, state->base.crtc_h)) { |
ea2c67bb MR |
13847 | DRM_DEBUG("Cursor dimension %dx%d not supported\n", |
13848 | state->base.crtc_w, state->base.crtc_h); | |
757f9a3e GP |
13849 | return -EINVAL; |
13850 | } | |
13851 | ||
ea2c67bb MR |
13852 | stride = roundup_pow_of_two(state->base.crtc_w) * 4; |
13853 | if (obj->base.size < stride * state->base.crtc_h) { | |
757f9a3e GP |
13854 | DRM_DEBUG_KMS("buffer is too small\n"); |
13855 | return -ENOMEM; | |
13856 | } | |
13857 | ||
3a656b54 | 13858 | if (fb->modifier[0] != DRM_FORMAT_MOD_NONE) { |
757f9a3e | 13859 | DRM_DEBUG_KMS("cursor cannot be tiled\n"); |
da20eabd | 13860 | return -EINVAL; |
32b7eeec MR |
13861 | } |
13862 | ||
da20eabd | 13863 | return 0; |
852e787c | 13864 | } |
3d7d6510 | 13865 | |
a8ad0d8e ML |
13866 | static void |
13867 | intel_disable_cursor_plane(struct drm_plane *plane, | |
7fabf5ef | 13868 | struct drm_crtc *crtc) |
a8ad0d8e | 13869 | { |
a8ad0d8e ML |
13870 | intel_crtc_update_cursor(crtc, false); |
13871 | } | |
13872 | ||
f4a2cf29 | 13873 | static void |
852e787c GP |
13874 | intel_commit_cursor_plane(struct drm_plane *plane, |
13875 | struct intel_plane_state *state) | |
13876 | { | |
2b875c22 | 13877 | struct drm_crtc *crtc = state->base.crtc; |
ea2c67bb MR |
13878 | struct drm_device *dev = plane->dev; |
13879 | struct intel_crtc *intel_crtc; | |
2b875c22 | 13880 | struct drm_i915_gem_object *obj = intel_fb_obj(state->base.fb); |
a912f12f | 13881 | uint32_t addr; |
852e787c | 13882 | |
ea2c67bb MR |
13883 | crtc = crtc ? crtc : plane->crtc; |
13884 | intel_crtc = to_intel_crtc(crtc); | |
13885 | ||
2b875c22 | 13886 | plane->fb = state->base.fb; |
ea2c67bb MR |
13887 | crtc->cursor_x = state->base.crtc_x; |
13888 | crtc->cursor_y = state->base.crtc_y; | |
13889 | ||
a912f12f GP |
13890 | if (intel_crtc->cursor_bo == obj) |
13891 | goto update; | |
4ed91096 | 13892 | |
f4a2cf29 | 13893 | if (!obj) |
a912f12f | 13894 | addr = 0; |
f4a2cf29 | 13895 | else if (!INTEL_INFO(dev)->cursor_needs_physical) |
a912f12f | 13896 | addr = i915_gem_obj_ggtt_offset(obj); |
f4a2cf29 | 13897 | else |
a912f12f | 13898 | addr = obj->phys_handle->busaddr; |
852e787c | 13899 | |
a912f12f GP |
13900 | intel_crtc->cursor_addr = addr; |
13901 | intel_crtc->cursor_bo = obj; | |
852e787c | 13902 | |
302d19ac | 13903 | update: |
a539205a | 13904 | if (crtc->state->active) |
a912f12f | 13905 | intel_crtc_update_cursor(crtc, state->visible); |
852e787c GP |
13906 | } |
13907 | ||
3d7d6510 MR |
13908 | static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev, |
13909 | int pipe) | |
13910 | { | |
13911 | struct intel_plane *cursor; | |
8e7d688b | 13912 | struct intel_plane_state *state; |
3d7d6510 MR |
13913 | |
13914 | cursor = kzalloc(sizeof(*cursor), GFP_KERNEL); | |
13915 | if (cursor == NULL) | |
13916 | return NULL; | |
13917 | ||
8e7d688b MR |
13918 | state = intel_create_plane_state(&cursor->base); |
13919 | if (!state) { | |
ea2c67bb MR |
13920 | kfree(cursor); |
13921 | return NULL; | |
13922 | } | |
8e7d688b | 13923 | cursor->base.state = &state->base; |
ea2c67bb | 13924 | |
3d7d6510 MR |
13925 | cursor->can_scale = false; |
13926 | cursor->max_downscale = 1; | |
13927 | cursor->pipe = pipe; | |
13928 | cursor->plane = pipe; | |
c59cb179 MR |
13929 | cursor->check_plane = intel_check_cursor_plane; |
13930 | cursor->commit_plane = intel_commit_cursor_plane; | |
a8ad0d8e | 13931 | cursor->disable_plane = intel_disable_cursor_plane; |
3d7d6510 MR |
13932 | |
13933 | drm_universal_plane_init(dev, &cursor->base, 0, | |
65a3fea0 | 13934 | &intel_plane_funcs, |
3d7d6510 MR |
13935 | intel_cursor_formats, |
13936 | ARRAY_SIZE(intel_cursor_formats), | |
13937 | DRM_PLANE_TYPE_CURSOR); | |
4398ad45 VS |
13938 | |
13939 | if (INTEL_INFO(dev)->gen >= 4) { | |
13940 | if (!dev->mode_config.rotation_property) | |
13941 | dev->mode_config.rotation_property = | |
13942 | drm_mode_create_rotation_property(dev, | |
13943 | BIT(DRM_ROTATE_0) | | |
13944 | BIT(DRM_ROTATE_180)); | |
13945 | if (dev->mode_config.rotation_property) | |
13946 | drm_object_attach_property(&cursor->base.base, | |
13947 | dev->mode_config.rotation_property, | |
8e7d688b | 13948 | state->base.rotation); |
4398ad45 VS |
13949 | } |
13950 | ||
af99ceda CK |
13951 | if (INTEL_INFO(dev)->gen >=9) |
13952 | state->scaler_id = -1; | |
13953 | ||
ea2c67bb MR |
13954 | drm_plane_helper_add(&cursor->base, &intel_plane_helper_funcs); |
13955 | ||
3d7d6510 MR |
13956 | return &cursor->base; |
13957 | } | |
13958 | ||
549e2bfb CK |
13959 | static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_crtc, |
13960 | struct intel_crtc_state *crtc_state) | |
13961 | { | |
13962 | int i; | |
13963 | struct intel_scaler *intel_scaler; | |
13964 | struct intel_crtc_scaler_state *scaler_state = &crtc_state->scaler_state; | |
13965 | ||
13966 | for (i = 0; i < intel_crtc->num_scalers; i++) { | |
13967 | intel_scaler = &scaler_state->scalers[i]; | |
13968 | intel_scaler->in_use = 0; | |
549e2bfb CK |
13969 | intel_scaler->mode = PS_SCALER_MODE_DYN; |
13970 | } | |
13971 | ||
13972 | scaler_state->scaler_id = -1; | |
13973 | } | |
13974 | ||
b358d0a6 | 13975 | static void intel_crtc_init(struct drm_device *dev, int pipe) |
79e53945 | 13976 | { |
fbee40df | 13977 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 | 13978 | struct intel_crtc *intel_crtc; |
f5de6e07 | 13979 | struct intel_crtc_state *crtc_state = NULL; |
3d7d6510 MR |
13980 | struct drm_plane *primary = NULL; |
13981 | struct drm_plane *cursor = NULL; | |
465c120c | 13982 | int i, ret; |
79e53945 | 13983 | |
955382f3 | 13984 | intel_crtc = kzalloc(sizeof(*intel_crtc), GFP_KERNEL); |
79e53945 JB |
13985 | if (intel_crtc == NULL) |
13986 | return; | |
13987 | ||
f5de6e07 ACO |
13988 | crtc_state = kzalloc(sizeof(*crtc_state), GFP_KERNEL); |
13989 | if (!crtc_state) | |
13990 | goto fail; | |
550acefd ACO |
13991 | intel_crtc->config = crtc_state; |
13992 | intel_crtc->base.state = &crtc_state->base; | |
07878248 | 13993 | crtc_state->base.crtc = &intel_crtc->base; |
f5de6e07 | 13994 | |
549e2bfb CK |
13995 | /* initialize shared scalers */ |
13996 | if (INTEL_INFO(dev)->gen >= 9) { | |
13997 | if (pipe == PIPE_C) | |
13998 | intel_crtc->num_scalers = 1; | |
13999 | else | |
14000 | intel_crtc->num_scalers = SKL_NUM_SCALERS; | |
14001 | ||
14002 | skl_init_scalers(dev, intel_crtc, crtc_state); | |
14003 | } | |
14004 | ||
465c120c | 14005 | primary = intel_primary_plane_create(dev, pipe); |
3d7d6510 MR |
14006 | if (!primary) |
14007 | goto fail; | |
14008 | ||
14009 | cursor = intel_cursor_plane_create(dev, pipe); | |
14010 | if (!cursor) | |
14011 | goto fail; | |
14012 | ||
465c120c | 14013 | ret = drm_crtc_init_with_planes(dev, &intel_crtc->base, primary, |
3d7d6510 MR |
14014 | cursor, &intel_crtc_funcs); |
14015 | if (ret) | |
14016 | goto fail; | |
79e53945 JB |
14017 | |
14018 | drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256); | |
79e53945 JB |
14019 | for (i = 0; i < 256; i++) { |
14020 | intel_crtc->lut_r[i] = i; | |
14021 | intel_crtc->lut_g[i] = i; | |
14022 | intel_crtc->lut_b[i] = i; | |
14023 | } | |
14024 | ||
1f1c2e24 VS |
14025 | /* |
14026 | * On gen2/3 only plane A can do fbc, but the panel fitter and lvds port | |
8c0f92e1 | 14027 | * is hooked to pipe B. Hence we want plane A feeding pipe B. |
1f1c2e24 | 14028 | */ |
80824003 JB |
14029 | intel_crtc->pipe = pipe; |
14030 | intel_crtc->plane = pipe; | |
3a77c4c4 | 14031 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) { |
28c97730 | 14032 | DRM_DEBUG_KMS("swapping pipes & planes for FBC\n"); |
e2e767ab | 14033 | intel_crtc->plane = !pipe; |
80824003 JB |
14034 | } |
14035 | ||
4b0e333e CW |
14036 | intel_crtc->cursor_base = ~0; |
14037 | intel_crtc->cursor_cntl = ~0; | |
dc41c154 | 14038 | intel_crtc->cursor_size = ~0; |
8d7849db | 14039 | |
22fd0fab JB |
14040 | BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) || |
14041 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL); | |
14042 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] = &intel_crtc->base; | |
14043 | dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base; | |
14044 | ||
79e53945 | 14045 | drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs); |
87b6b101 DV |
14046 | |
14047 | WARN_ON(drm_crtc_index(&intel_crtc->base) != intel_crtc->pipe); | |
3d7d6510 MR |
14048 | return; |
14049 | ||
14050 | fail: | |
14051 | if (primary) | |
14052 | drm_plane_cleanup(primary); | |
14053 | if (cursor) | |
14054 | drm_plane_cleanup(cursor); | |
f5de6e07 | 14055 | kfree(crtc_state); |
3d7d6510 | 14056 | kfree(intel_crtc); |
79e53945 JB |
14057 | } |
14058 | ||
752aa88a JB |
14059 | enum pipe intel_get_pipe_from_connector(struct intel_connector *connector) |
14060 | { | |
14061 | struct drm_encoder *encoder = connector->base.encoder; | |
6e9f798d | 14062 | struct drm_device *dev = connector->base.dev; |
752aa88a | 14063 | |
51fd371b | 14064 | WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); |
752aa88a | 14065 | |
d3babd3f | 14066 | if (!encoder || WARN_ON(!encoder->crtc)) |
752aa88a JB |
14067 | return INVALID_PIPE; |
14068 | ||
14069 | return to_intel_crtc(encoder->crtc)->pipe; | |
14070 | } | |
14071 | ||
08d7b3d1 | 14072 | int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, |
05394f39 | 14073 | struct drm_file *file) |
08d7b3d1 | 14074 | { |
08d7b3d1 | 14075 | struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; |
7707e653 | 14076 | struct drm_crtc *drmmode_crtc; |
c05422d5 | 14077 | struct intel_crtc *crtc; |
08d7b3d1 | 14078 | |
7707e653 | 14079 | drmmode_crtc = drm_crtc_find(dev, pipe_from_crtc_id->crtc_id); |
08d7b3d1 | 14080 | |
7707e653 | 14081 | if (!drmmode_crtc) { |
08d7b3d1 | 14082 | DRM_ERROR("no such CRTC id\n"); |
3f2c2057 | 14083 | return -ENOENT; |
08d7b3d1 CW |
14084 | } |
14085 | ||
7707e653 | 14086 | crtc = to_intel_crtc(drmmode_crtc); |
c05422d5 | 14087 | pipe_from_crtc_id->pipe = crtc->pipe; |
08d7b3d1 | 14088 | |
c05422d5 | 14089 | return 0; |
08d7b3d1 CW |
14090 | } |
14091 | ||
66a9278e | 14092 | static int intel_encoder_clones(struct intel_encoder *encoder) |
79e53945 | 14093 | { |
66a9278e DV |
14094 | struct drm_device *dev = encoder->base.dev; |
14095 | struct intel_encoder *source_encoder; | |
79e53945 | 14096 | int index_mask = 0; |
79e53945 JB |
14097 | int entry = 0; |
14098 | ||
b2784e15 | 14099 | for_each_intel_encoder(dev, source_encoder) { |
bc079e8b | 14100 | if (encoders_cloneable(encoder, source_encoder)) |
66a9278e DV |
14101 | index_mask |= (1 << entry); |
14102 | ||
79e53945 JB |
14103 | entry++; |
14104 | } | |
4ef69c7a | 14105 | |
79e53945 JB |
14106 | return index_mask; |
14107 | } | |
14108 | ||
4d302442 CW |
14109 | static bool has_edp_a(struct drm_device *dev) |
14110 | { | |
14111 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14112 | ||
14113 | if (!IS_MOBILE(dev)) | |
14114 | return false; | |
14115 | ||
14116 | if ((I915_READ(DP_A) & DP_DETECTED) == 0) | |
14117 | return false; | |
14118 | ||
e3589908 | 14119 | if (IS_GEN5(dev) && (I915_READ(FUSE_STRAP) & ILK_eDP_A_DISABLE)) |
4d302442 CW |
14120 | return false; |
14121 | ||
14122 | return true; | |
14123 | } | |
14124 | ||
84b4e042 JB |
14125 | static bool intel_crt_present(struct drm_device *dev) |
14126 | { | |
14127 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14128 | ||
884497ed DL |
14129 | if (INTEL_INFO(dev)->gen >= 9) |
14130 | return false; | |
14131 | ||
cf404ce4 | 14132 | if (IS_HSW_ULT(dev) || IS_BDW_ULT(dev)) |
84b4e042 JB |
14133 | return false; |
14134 | ||
14135 | if (IS_CHERRYVIEW(dev)) | |
14136 | return false; | |
14137 | ||
14138 | if (IS_VALLEYVIEW(dev) && !dev_priv->vbt.int_crt_support) | |
14139 | return false; | |
14140 | ||
14141 | return true; | |
14142 | } | |
14143 | ||
79e53945 JB |
14144 | static void intel_setup_outputs(struct drm_device *dev) |
14145 | { | |
725e30ad | 14146 | struct drm_i915_private *dev_priv = dev->dev_private; |
4ef69c7a | 14147 | struct intel_encoder *encoder; |
cb0953d7 | 14148 | bool dpd_is_edp = false; |
79e53945 | 14149 | |
c9093354 | 14150 | intel_lvds_init(dev); |
79e53945 | 14151 | |
84b4e042 | 14152 | if (intel_crt_present(dev)) |
79935fca | 14153 | intel_crt_init(dev); |
cb0953d7 | 14154 | |
c776eb2e VK |
14155 | if (IS_BROXTON(dev)) { |
14156 | /* | |
14157 | * FIXME: Broxton doesn't support port detection via the | |
14158 | * DDI_BUF_CTL_A or SFUSE_STRAP registers, find another way to | |
14159 | * detect the ports. | |
14160 | */ | |
14161 | intel_ddi_init(dev, PORT_A); | |
14162 | intel_ddi_init(dev, PORT_B); | |
14163 | intel_ddi_init(dev, PORT_C); | |
14164 | } else if (HAS_DDI(dev)) { | |
0e72a5b5 ED |
14165 | int found; |
14166 | ||
de31facd JB |
14167 | /* |
14168 | * Haswell uses DDI functions to detect digital outputs. | |
14169 | * On SKL pre-D0 the strap isn't connected, so we assume | |
14170 | * it's there. | |
14171 | */ | |
0e72a5b5 | 14172 | found = I915_READ(DDI_BUF_CTL_A) & DDI_INIT_DISPLAY_DETECTED; |
de31facd JB |
14173 | /* WaIgnoreDDIAStrap: skl */ |
14174 | if (found || | |
14175 | (IS_SKYLAKE(dev) && INTEL_REVID(dev) < SKL_REVID_D0)) | |
0e72a5b5 ED |
14176 | intel_ddi_init(dev, PORT_A); |
14177 | ||
14178 | /* DDI B, C and D detection is indicated by the SFUSE_STRAP | |
14179 | * register */ | |
14180 | found = I915_READ(SFUSE_STRAP); | |
14181 | ||
14182 | if (found & SFUSE_STRAP_DDIB_DETECTED) | |
14183 | intel_ddi_init(dev, PORT_B); | |
14184 | if (found & SFUSE_STRAP_DDIC_DETECTED) | |
14185 | intel_ddi_init(dev, PORT_C); | |
14186 | if (found & SFUSE_STRAP_DDID_DETECTED) | |
14187 | intel_ddi_init(dev, PORT_D); | |
14188 | } else if (HAS_PCH_SPLIT(dev)) { | |
cb0953d7 | 14189 | int found; |
5d8a7752 | 14190 | dpd_is_edp = intel_dp_is_edp(dev, PORT_D); |
270b3042 DV |
14191 | |
14192 | if (has_edp_a(dev)) | |
14193 | intel_dp_init(dev, DP_A, PORT_A); | |
cb0953d7 | 14194 | |
dc0fa718 | 14195 | if (I915_READ(PCH_HDMIB) & SDVO_DETECTED) { |
461ed3ca | 14196 | /* PCH SDVOB multiplex with HDMIB */ |
eef4eacb | 14197 | found = intel_sdvo_init(dev, PCH_SDVOB, true); |
30ad48b7 | 14198 | if (!found) |
e2debe91 | 14199 | intel_hdmi_init(dev, PCH_HDMIB, PORT_B); |
5eb08b69 | 14200 | if (!found && (I915_READ(PCH_DP_B) & DP_DETECTED)) |
ab9d7c30 | 14201 | intel_dp_init(dev, PCH_DP_B, PORT_B); |
30ad48b7 ZW |
14202 | } |
14203 | ||
dc0fa718 | 14204 | if (I915_READ(PCH_HDMIC) & SDVO_DETECTED) |
e2debe91 | 14205 | intel_hdmi_init(dev, PCH_HDMIC, PORT_C); |
30ad48b7 | 14206 | |
dc0fa718 | 14207 | if (!dpd_is_edp && I915_READ(PCH_HDMID) & SDVO_DETECTED) |
e2debe91 | 14208 | intel_hdmi_init(dev, PCH_HDMID, PORT_D); |
30ad48b7 | 14209 | |
5eb08b69 | 14210 | if (I915_READ(PCH_DP_C) & DP_DETECTED) |
ab9d7c30 | 14211 | intel_dp_init(dev, PCH_DP_C, PORT_C); |
5eb08b69 | 14212 | |
270b3042 | 14213 | if (I915_READ(PCH_DP_D) & DP_DETECTED) |
ab9d7c30 | 14214 | intel_dp_init(dev, PCH_DP_D, PORT_D); |
4a87d65d | 14215 | } else if (IS_VALLEYVIEW(dev)) { |
e17ac6db VS |
14216 | /* |
14217 | * The DP_DETECTED bit is the latched state of the DDC | |
14218 | * SDA pin at boot. However since eDP doesn't require DDC | |
14219 | * (no way to plug in a DP->HDMI dongle) the DDC pins for | |
14220 | * eDP ports may have been muxed to an alternate function. | |
14221 | * Thus we can't rely on the DP_DETECTED bit alone to detect | |
14222 | * eDP ports. Consult the VBT as well as DP_DETECTED to | |
14223 | * detect eDP ports. | |
14224 | */ | |
d2182a66 VS |
14225 | if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIB) & SDVO_DETECTED && |
14226 | !intel_dp_is_edp(dev, PORT_B)) | |
585a94b8 AB |
14227 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIB, |
14228 | PORT_B); | |
e17ac6db VS |
14229 | if (I915_READ(VLV_DISPLAY_BASE + DP_B) & DP_DETECTED || |
14230 | intel_dp_is_edp(dev, PORT_B)) | |
14231 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_B, PORT_B); | |
585a94b8 | 14232 | |
d2182a66 VS |
14233 | if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIC) & SDVO_DETECTED && |
14234 | !intel_dp_is_edp(dev, PORT_C)) | |
6f6005a5 JB |
14235 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIC, |
14236 | PORT_C); | |
e17ac6db VS |
14237 | if (I915_READ(VLV_DISPLAY_BASE + DP_C) & DP_DETECTED || |
14238 | intel_dp_is_edp(dev, PORT_C)) | |
14239 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_C, PORT_C); | |
19c03924 | 14240 | |
9418c1f1 | 14241 | if (IS_CHERRYVIEW(dev)) { |
e17ac6db | 14242 | if (I915_READ(VLV_DISPLAY_BASE + CHV_HDMID) & SDVO_DETECTED) |
9418c1f1 VS |
14243 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + CHV_HDMID, |
14244 | PORT_D); | |
e17ac6db VS |
14245 | /* eDP not supported on port D, so don't check VBT */ |
14246 | if (I915_READ(VLV_DISPLAY_BASE + DP_D) & DP_DETECTED) | |
14247 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_D, PORT_D); | |
9418c1f1 VS |
14248 | } |
14249 | ||
3cfca973 | 14250 | intel_dsi_init(dev); |
103a196f | 14251 | } else if (SUPPORTS_DIGITAL_OUTPUTS(dev)) { |
27185ae1 | 14252 | bool found = false; |
7d57382e | 14253 | |
e2debe91 | 14254 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 14255 | DRM_DEBUG_KMS("probing SDVOB\n"); |
e2debe91 | 14256 | found = intel_sdvo_init(dev, GEN3_SDVOB, true); |
b01f2c3a JB |
14257 | if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) { |
14258 | DRM_DEBUG_KMS("probing HDMI on SDVOB\n"); | |
e2debe91 | 14259 | intel_hdmi_init(dev, GEN4_HDMIB, PORT_B); |
b01f2c3a | 14260 | } |
27185ae1 | 14261 | |
e7281eab | 14262 | if (!found && SUPPORTS_INTEGRATED_DP(dev)) |
ab9d7c30 | 14263 | intel_dp_init(dev, DP_B, PORT_B); |
725e30ad | 14264 | } |
13520b05 KH |
14265 | |
14266 | /* Before G4X SDVOC doesn't have its own detect register */ | |
13520b05 | 14267 | |
e2debe91 | 14268 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 14269 | DRM_DEBUG_KMS("probing SDVOC\n"); |
e2debe91 | 14270 | found = intel_sdvo_init(dev, GEN3_SDVOC, false); |
b01f2c3a | 14271 | } |
27185ae1 | 14272 | |
e2debe91 | 14273 | if (!found && (I915_READ(GEN3_SDVOC) & SDVO_DETECTED)) { |
27185ae1 | 14274 | |
b01f2c3a JB |
14275 | if (SUPPORTS_INTEGRATED_HDMI(dev)) { |
14276 | DRM_DEBUG_KMS("probing HDMI on SDVOC\n"); | |
e2debe91 | 14277 | intel_hdmi_init(dev, GEN4_HDMIC, PORT_C); |
b01f2c3a | 14278 | } |
e7281eab | 14279 | if (SUPPORTS_INTEGRATED_DP(dev)) |
ab9d7c30 | 14280 | intel_dp_init(dev, DP_C, PORT_C); |
725e30ad | 14281 | } |
27185ae1 | 14282 | |
b01f2c3a | 14283 | if (SUPPORTS_INTEGRATED_DP(dev) && |
e7281eab | 14284 | (I915_READ(DP_D) & DP_DETECTED)) |
ab9d7c30 | 14285 | intel_dp_init(dev, DP_D, PORT_D); |
bad720ff | 14286 | } else if (IS_GEN2(dev)) |
79e53945 JB |
14287 | intel_dvo_init(dev); |
14288 | ||
103a196f | 14289 | if (SUPPORTS_TV(dev)) |
79e53945 JB |
14290 | intel_tv_init(dev); |
14291 | ||
0bc12bcb | 14292 | intel_psr_init(dev); |
7c8f8a70 | 14293 | |
b2784e15 | 14294 | for_each_intel_encoder(dev, encoder) { |
4ef69c7a CW |
14295 | encoder->base.possible_crtcs = encoder->crtc_mask; |
14296 | encoder->base.possible_clones = | |
66a9278e | 14297 | intel_encoder_clones(encoder); |
79e53945 | 14298 | } |
47356eb6 | 14299 | |
dde86e2d | 14300 | intel_init_pch_refclk(dev); |
270b3042 DV |
14301 | |
14302 | drm_helper_move_panel_connectors_to_head(dev); | |
79e53945 JB |
14303 | } |
14304 | ||
14305 | static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb) | |
14306 | { | |
60a5ca01 | 14307 | struct drm_device *dev = fb->dev; |
79e53945 | 14308 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); |
79e53945 | 14309 | |
ef2d633e | 14310 | drm_framebuffer_cleanup(fb); |
60a5ca01 | 14311 | mutex_lock(&dev->struct_mutex); |
ef2d633e | 14312 | WARN_ON(!intel_fb->obj->framebuffer_references--); |
60a5ca01 VS |
14313 | drm_gem_object_unreference(&intel_fb->obj->base); |
14314 | mutex_unlock(&dev->struct_mutex); | |
79e53945 JB |
14315 | kfree(intel_fb); |
14316 | } | |
14317 | ||
14318 | static int intel_user_framebuffer_create_handle(struct drm_framebuffer *fb, | |
05394f39 | 14319 | struct drm_file *file, |
79e53945 JB |
14320 | unsigned int *handle) |
14321 | { | |
14322 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
05394f39 | 14323 | struct drm_i915_gem_object *obj = intel_fb->obj; |
79e53945 | 14324 | |
05394f39 | 14325 | return drm_gem_handle_create(file, &obj->base, handle); |
79e53945 JB |
14326 | } |
14327 | ||
14328 | static const struct drm_framebuffer_funcs intel_fb_funcs = { | |
14329 | .destroy = intel_user_framebuffer_destroy, | |
14330 | .create_handle = intel_user_framebuffer_create_handle, | |
14331 | }; | |
14332 | ||
b321803d DL |
14333 | static |
14334 | u32 intel_fb_pitch_limit(struct drm_device *dev, uint64_t fb_modifier, | |
14335 | uint32_t pixel_format) | |
14336 | { | |
14337 | u32 gen = INTEL_INFO(dev)->gen; | |
14338 | ||
14339 | if (gen >= 9) { | |
14340 | /* "The stride in bytes must not exceed the of the size of 8K | |
14341 | * pixels and 32K bytes." | |
14342 | */ | |
14343 | return min(8192*drm_format_plane_cpp(pixel_format, 0), 32768); | |
14344 | } else if (gen >= 5 && !IS_VALLEYVIEW(dev)) { | |
14345 | return 32*1024; | |
14346 | } else if (gen >= 4) { | |
14347 | if (fb_modifier == I915_FORMAT_MOD_X_TILED) | |
14348 | return 16*1024; | |
14349 | else | |
14350 | return 32*1024; | |
14351 | } else if (gen >= 3) { | |
14352 | if (fb_modifier == I915_FORMAT_MOD_X_TILED) | |
14353 | return 8*1024; | |
14354 | else | |
14355 | return 16*1024; | |
14356 | } else { | |
14357 | /* XXX DSPC is limited to 4k tiled */ | |
14358 | return 8*1024; | |
14359 | } | |
14360 | } | |
14361 | ||
b5ea642a DV |
14362 | static int intel_framebuffer_init(struct drm_device *dev, |
14363 | struct intel_framebuffer *intel_fb, | |
14364 | struct drm_mode_fb_cmd2 *mode_cmd, | |
14365 | struct drm_i915_gem_object *obj) | |
79e53945 | 14366 | { |
6761dd31 | 14367 | unsigned int aligned_height; |
79e53945 | 14368 | int ret; |
b321803d | 14369 | u32 pitch_limit, stride_alignment; |
79e53945 | 14370 | |
dd4916c5 DV |
14371 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
14372 | ||
2a80eada DV |
14373 | if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) { |
14374 | /* Enforce that fb modifier and tiling mode match, but only for | |
14375 | * X-tiled. This is needed for FBC. */ | |
14376 | if (!!(obj->tiling_mode == I915_TILING_X) != | |
14377 | !!(mode_cmd->modifier[0] == I915_FORMAT_MOD_X_TILED)) { | |
14378 | DRM_DEBUG("tiling_mode doesn't match fb modifier\n"); | |
14379 | return -EINVAL; | |
14380 | } | |
14381 | } else { | |
14382 | if (obj->tiling_mode == I915_TILING_X) | |
14383 | mode_cmd->modifier[0] = I915_FORMAT_MOD_X_TILED; | |
14384 | else if (obj->tiling_mode == I915_TILING_Y) { | |
14385 | DRM_DEBUG("No Y tiling for legacy addfb\n"); | |
14386 | return -EINVAL; | |
14387 | } | |
14388 | } | |
14389 | ||
9a8f0a12 TU |
14390 | /* Passed in modifier sanity checking. */ |
14391 | switch (mode_cmd->modifier[0]) { | |
14392 | case I915_FORMAT_MOD_Y_TILED: | |
14393 | case I915_FORMAT_MOD_Yf_TILED: | |
14394 | if (INTEL_INFO(dev)->gen < 9) { | |
14395 | DRM_DEBUG("Unsupported tiling 0x%llx!\n", | |
14396 | mode_cmd->modifier[0]); | |
14397 | return -EINVAL; | |
14398 | } | |
14399 | case DRM_FORMAT_MOD_NONE: | |
14400 | case I915_FORMAT_MOD_X_TILED: | |
14401 | break; | |
14402 | default: | |
c0f40428 JB |
14403 | DRM_DEBUG("Unsupported fb modifier 0x%llx!\n", |
14404 | mode_cmd->modifier[0]); | |
57cd6508 | 14405 | return -EINVAL; |
c16ed4be | 14406 | } |
57cd6508 | 14407 | |
b321803d DL |
14408 | stride_alignment = intel_fb_stride_alignment(dev, mode_cmd->modifier[0], |
14409 | mode_cmd->pixel_format); | |
14410 | if (mode_cmd->pitches[0] & (stride_alignment - 1)) { | |
14411 | DRM_DEBUG("pitch (%d) must be at least %u byte aligned\n", | |
14412 | mode_cmd->pitches[0], stride_alignment); | |
57cd6508 | 14413 | return -EINVAL; |
c16ed4be | 14414 | } |
57cd6508 | 14415 | |
b321803d DL |
14416 | pitch_limit = intel_fb_pitch_limit(dev, mode_cmd->modifier[0], |
14417 | mode_cmd->pixel_format); | |
a35cdaa0 | 14418 | if (mode_cmd->pitches[0] > pitch_limit) { |
b321803d DL |
14419 | DRM_DEBUG("%s pitch (%u) must be at less than %d\n", |
14420 | mode_cmd->modifier[0] != DRM_FORMAT_MOD_NONE ? | |
2a80eada | 14421 | "tiled" : "linear", |
a35cdaa0 | 14422 | mode_cmd->pitches[0], pitch_limit); |
5d7bd705 | 14423 | return -EINVAL; |
c16ed4be | 14424 | } |
5d7bd705 | 14425 | |
2a80eada | 14426 | if (mode_cmd->modifier[0] == I915_FORMAT_MOD_X_TILED && |
c16ed4be CW |
14427 | mode_cmd->pitches[0] != obj->stride) { |
14428 | DRM_DEBUG("pitch (%d) must match tiling stride (%d)\n", | |
14429 | mode_cmd->pitches[0], obj->stride); | |
5d7bd705 | 14430 | return -EINVAL; |
c16ed4be | 14431 | } |
5d7bd705 | 14432 | |
57779d06 | 14433 | /* Reject formats not supported by any plane early. */ |
308e5bcb | 14434 | switch (mode_cmd->pixel_format) { |
57779d06 | 14435 | case DRM_FORMAT_C8: |
04b3924d VS |
14436 | case DRM_FORMAT_RGB565: |
14437 | case DRM_FORMAT_XRGB8888: | |
14438 | case DRM_FORMAT_ARGB8888: | |
57779d06 VS |
14439 | break; |
14440 | case DRM_FORMAT_XRGB1555: | |
c16ed4be | 14441 | if (INTEL_INFO(dev)->gen > 3) { |
4ee62c76 VS |
14442 | DRM_DEBUG("unsupported pixel format: %s\n", |
14443 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 14444 | return -EINVAL; |
c16ed4be | 14445 | } |
57779d06 | 14446 | break; |
57779d06 | 14447 | case DRM_FORMAT_ABGR8888: |
6c0fd451 DL |
14448 | if (!IS_VALLEYVIEW(dev) && INTEL_INFO(dev)->gen < 9) { |
14449 | DRM_DEBUG("unsupported pixel format: %s\n", | |
14450 | drm_get_format_name(mode_cmd->pixel_format)); | |
14451 | return -EINVAL; | |
14452 | } | |
14453 | break; | |
14454 | case DRM_FORMAT_XBGR8888: | |
04b3924d | 14455 | case DRM_FORMAT_XRGB2101010: |
57779d06 | 14456 | case DRM_FORMAT_XBGR2101010: |
c16ed4be | 14457 | if (INTEL_INFO(dev)->gen < 4) { |
4ee62c76 VS |
14458 | DRM_DEBUG("unsupported pixel format: %s\n", |
14459 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 14460 | return -EINVAL; |
c16ed4be | 14461 | } |
b5626747 | 14462 | break; |
7531208b DL |
14463 | case DRM_FORMAT_ABGR2101010: |
14464 | if (!IS_VALLEYVIEW(dev)) { | |
14465 | DRM_DEBUG("unsupported pixel format: %s\n", | |
14466 | drm_get_format_name(mode_cmd->pixel_format)); | |
14467 | return -EINVAL; | |
14468 | } | |
14469 | break; | |
04b3924d VS |
14470 | case DRM_FORMAT_YUYV: |
14471 | case DRM_FORMAT_UYVY: | |
14472 | case DRM_FORMAT_YVYU: | |
14473 | case DRM_FORMAT_VYUY: | |
c16ed4be | 14474 | if (INTEL_INFO(dev)->gen < 5) { |
4ee62c76 VS |
14475 | DRM_DEBUG("unsupported pixel format: %s\n", |
14476 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 14477 | return -EINVAL; |
c16ed4be | 14478 | } |
57cd6508 CW |
14479 | break; |
14480 | default: | |
4ee62c76 VS |
14481 | DRM_DEBUG("unsupported pixel format: %s\n", |
14482 | drm_get_format_name(mode_cmd->pixel_format)); | |
57cd6508 CW |
14483 | return -EINVAL; |
14484 | } | |
14485 | ||
90f9a336 VS |
14486 | /* FIXME need to adjust LINOFF/TILEOFF accordingly. */ |
14487 | if (mode_cmd->offsets[0] != 0) | |
14488 | return -EINVAL; | |
14489 | ||
ec2c981e | 14490 | aligned_height = intel_fb_align_height(dev, mode_cmd->height, |
091df6cb DV |
14491 | mode_cmd->pixel_format, |
14492 | mode_cmd->modifier[0]); | |
53155c0a DV |
14493 | /* FIXME drm helper for size checks (especially planar formats)? */ |
14494 | if (obj->base.size < aligned_height * mode_cmd->pitches[0]) | |
14495 | return -EINVAL; | |
14496 | ||
c7d73f6a DV |
14497 | drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd); |
14498 | intel_fb->obj = obj; | |
80075d49 | 14499 | intel_fb->obj->framebuffer_references++; |
c7d73f6a | 14500 | |
79e53945 JB |
14501 | ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs); |
14502 | if (ret) { | |
14503 | DRM_ERROR("framebuffer init failed %d\n", ret); | |
14504 | return ret; | |
14505 | } | |
14506 | ||
79e53945 JB |
14507 | return 0; |
14508 | } | |
14509 | ||
79e53945 JB |
14510 | static struct drm_framebuffer * |
14511 | intel_user_framebuffer_create(struct drm_device *dev, | |
14512 | struct drm_file *filp, | |
308e5bcb | 14513 | struct drm_mode_fb_cmd2 *mode_cmd) |
79e53945 | 14514 | { |
05394f39 | 14515 | struct drm_i915_gem_object *obj; |
79e53945 | 14516 | |
308e5bcb JB |
14517 | obj = to_intel_bo(drm_gem_object_lookup(dev, filp, |
14518 | mode_cmd->handles[0])); | |
c8725226 | 14519 | if (&obj->base == NULL) |
cce13ff7 | 14520 | return ERR_PTR(-ENOENT); |
79e53945 | 14521 | |
d2dff872 | 14522 | return intel_framebuffer_create(dev, mode_cmd, obj); |
79e53945 JB |
14523 | } |
14524 | ||
4520f53a | 14525 | #ifndef CONFIG_DRM_I915_FBDEV |
0632fef6 | 14526 | static inline void intel_fbdev_output_poll_changed(struct drm_device *dev) |
4520f53a DV |
14527 | { |
14528 | } | |
14529 | #endif | |
14530 | ||
79e53945 | 14531 | static const struct drm_mode_config_funcs intel_mode_funcs = { |
79e53945 | 14532 | .fb_create = intel_user_framebuffer_create, |
0632fef6 | 14533 | .output_poll_changed = intel_fbdev_output_poll_changed, |
5ee67f1c MR |
14534 | .atomic_check = intel_atomic_check, |
14535 | .atomic_commit = intel_atomic_commit, | |
de419ab6 ML |
14536 | .atomic_state_alloc = intel_atomic_state_alloc, |
14537 | .atomic_state_clear = intel_atomic_state_clear, | |
79e53945 JB |
14538 | }; |
14539 | ||
e70236a8 JB |
14540 | /* Set up chip specific display functions */ |
14541 | static void intel_init_display(struct drm_device *dev) | |
14542 | { | |
14543 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14544 | ||
ee9300bb DV |
14545 | if (HAS_PCH_SPLIT(dev) || IS_G4X(dev)) |
14546 | dev_priv->display.find_dpll = g4x_find_best_dpll; | |
ef9348c8 CML |
14547 | else if (IS_CHERRYVIEW(dev)) |
14548 | dev_priv->display.find_dpll = chv_find_best_dpll; | |
ee9300bb DV |
14549 | else if (IS_VALLEYVIEW(dev)) |
14550 | dev_priv->display.find_dpll = vlv_find_best_dpll; | |
14551 | else if (IS_PINEVIEW(dev)) | |
14552 | dev_priv->display.find_dpll = pnv_find_best_dpll; | |
14553 | else | |
14554 | dev_priv->display.find_dpll = i9xx_find_best_dpll; | |
14555 | ||
bc8d7dff DL |
14556 | if (INTEL_INFO(dev)->gen >= 9) { |
14557 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; | |
5724dbd1 DL |
14558 | dev_priv->display.get_initial_plane_config = |
14559 | skylake_get_initial_plane_config; | |
bc8d7dff DL |
14560 | dev_priv->display.crtc_compute_clock = |
14561 | haswell_crtc_compute_clock; | |
14562 | dev_priv->display.crtc_enable = haswell_crtc_enable; | |
14563 | dev_priv->display.crtc_disable = haswell_crtc_disable; | |
bc8d7dff DL |
14564 | dev_priv->display.update_primary_plane = |
14565 | skylake_update_primary_plane; | |
14566 | } else if (HAS_DDI(dev)) { | |
0e8ffe1b | 14567 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; |
5724dbd1 DL |
14568 | dev_priv->display.get_initial_plane_config = |
14569 | ironlake_get_initial_plane_config; | |
797d0259 ACO |
14570 | dev_priv->display.crtc_compute_clock = |
14571 | haswell_crtc_compute_clock; | |
4f771f10 PZ |
14572 | dev_priv->display.crtc_enable = haswell_crtc_enable; |
14573 | dev_priv->display.crtc_disable = haswell_crtc_disable; | |
bc8d7dff DL |
14574 | dev_priv->display.update_primary_plane = |
14575 | ironlake_update_primary_plane; | |
09b4ddf9 | 14576 | } else if (HAS_PCH_SPLIT(dev)) { |
0e8ffe1b | 14577 | dev_priv->display.get_pipe_config = ironlake_get_pipe_config; |
5724dbd1 DL |
14578 | dev_priv->display.get_initial_plane_config = |
14579 | ironlake_get_initial_plane_config; | |
3fb37703 ACO |
14580 | dev_priv->display.crtc_compute_clock = |
14581 | ironlake_crtc_compute_clock; | |
76e5a89c DV |
14582 | dev_priv->display.crtc_enable = ironlake_crtc_enable; |
14583 | dev_priv->display.crtc_disable = ironlake_crtc_disable; | |
262ca2b0 MR |
14584 | dev_priv->display.update_primary_plane = |
14585 | ironlake_update_primary_plane; | |
89b667f8 JB |
14586 | } else if (IS_VALLEYVIEW(dev)) { |
14587 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; | |
5724dbd1 DL |
14588 | dev_priv->display.get_initial_plane_config = |
14589 | i9xx_get_initial_plane_config; | |
d6dfee7a | 14590 | dev_priv->display.crtc_compute_clock = i9xx_crtc_compute_clock; |
89b667f8 JB |
14591 | dev_priv->display.crtc_enable = valleyview_crtc_enable; |
14592 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
262ca2b0 MR |
14593 | dev_priv->display.update_primary_plane = |
14594 | i9xx_update_primary_plane; | |
f564048e | 14595 | } else { |
0e8ffe1b | 14596 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; |
5724dbd1 DL |
14597 | dev_priv->display.get_initial_plane_config = |
14598 | i9xx_get_initial_plane_config; | |
d6dfee7a | 14599 | dev_priv->display.crtc_compute_clock = i9xx_crtc_compute_clock; |
76e5a89c DV |
14600 | dev_priv->display.crtc_enable = i9xx_crtc_enable; |
14601 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
262ca2b0 MR |
14602 | dev_priv->display.update_primary_plane = |
14603 | i9xx_update_primary_plane; | |
f564048e | 14604 | } |
e70236a8 | 14605 | |
e70236a8 | 14606 | /* Returns the core display clock speed */ |
1652d19e VS |
14607 | if (IS_SKYLAKE(dev)) |
14608 | dev_priv->display.get_display_clock_speed = | |
14609 | skylake_get_display_clock_speed; | |
14610 | else if (IS_BROADWELL(dev)) | |
14611 | dev_priv->display.get_display_clock_speed = | |
14612 | broadwell_get_display_clock_speed; | |
14613 | else if (IS_HASWELL(dev)) | |
14614 | dev_priv->display.get_display_clock_speed = | |
14615 | haswell_get_display_clock_speed; | |
14616 | else if (IS_VALLEYVIEW(dev)) | |
25eb05fc JB |
14617 | dev_priv->display.get_display_clock_speed = |
14618 | valleyview_get_display_clock_speed; | |
b37a6434 VS |
14619 | else if (IS_GEN5(dev)) |
14620 | dev_priv->display.get_display_clock_speed = | |
14621 | ilk_get_display_clock_speed; | |
a7c66cd8 | 14622 | else if (IS_I945G(dev) || IS_BROADWATER(dev) || |
34edce2f | 14623 | IS_GEN6(dev) || IS_IVYBRIDGE(dev)) |
e70236a8 JB |
14624 | dev_priv->display.get_display_clock_speed = |
14625 | i945_get_display_clock_speed; | |
34edce2f VS |
14626 | else if (IS_GM45(dev)) |
14627 | dev_priv->display.get_display_clock_speed = | |
14628 | gm45_get_display_clock_speed; | |
14629 | else if (IS_CRESTLINE(dev)) | |
14630 | dev_priv->display.get_display_clock_speed = | |
14631 | i965gm_get_display_clock_speed; | |
14632 | else if (IS_PINEVIEW(dev)) | |
14633 | dev_priv->display.get_display_clock_speed = | |
14634 | pnv_get_display_clock_speed; | |
14635 | else if (IS_G33(dev) || IS_G4X(dev)) | |
14636 | dev_priv->display.get_display_clock_speed = | |
14637 | g33_get_display_clock_speed; | |
e70236a8 JB |
14638 | else if (IS_I915G(dev)) |
14639 | dev_priv->display.get_display_clock_speed = | |
14640 | i915_get_display_clock_speed; | |
257a7ffc | 14641 | else if (IS_I945GM(dev) || IS_845G(dev)) |
e70236a8 JB |
14642 | dev_priv->display.get_display_clock_speed = |
14643 | i9xx_misc_get_display_clock_speed; | |
257a7ffc DV |
14644 | else if (IS_PINEVIEW(dev)) |
14645 | dev_priv->display.get_display_clock_speed = | |
14646 | pnv_get_display_clock_speed; | |
e70236a8 JB |
14647 | else if (IS_I915GM(dev)) |
14648 | dev_priv->display.get_display_clock_speed = | |
14649 | i915gm_get_display_clock_speed; | |
14650 | else if (IS_I865G(dev)) | |
14651 | dev_priv->display.get_display_clock_speed = | |
14652 | i865_get_display_clock_speed; | |
f0f8a9ce | 14653 | else if (IS_I85X(dev)) |
e70236a8 | 14654 | dev_priv->display.get_display_clock_speed = |
1b1d2716 | 14655 | i85x_get_display_clock_speed; |
623e01e5 VS |
14656 | else { /* 830 */ |
14657 | WARN(!IS_I830(dev), "Unknown platform. Assuming 133 MHz CDCLK\n"); | |
e70236a8 JB |
14658 | dev_priv->display.get_display_clock_speed = |
14659 | i830_get_display_clock_speed; | |
623e01e5 | 14660 | } |
e70236a8 | 14661 | |
7c10a2b5 | 14662 | if (IS_GEN5(dev)) { |
3bb11b53 | 14663 | dev_priv->display.fdi_link_train = ironlake_fdi_link_train; |
3bb11b53 SJ |
14664 | } else if (IS_GEN6(dev)) { |
14665 | dev_priv->display.fdi_link_train = gen6_fdi_link_train; | |
3bb11b53 SJ |
14666 | } else if (IS_IVYBRIDGE(dev)) { |
14667 | /* FIXME: detect B0+ stepping and use auto training */ | |
14668 | dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train; | |
059b2fe9 | 14669 | } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
3bb11b53 | 14670 | dev_priv->display.fdi_link_train = hsw_fdi_link_train; |
27c329ed ML |
14671 | if (IS_BROADWELL(dev)) { |
14672 | dev_priv->display.modeset_commit_cdclk = | |
14673 | broadwell_modeset_commit_cdclk; | |
14674 | dev_priv->display.modeset_calc_cdclk = | |
14675 | broadwell_modeset_calc_cdclk; | |
14676 | } | |
30a970c6 | 14677 | } else if (IS_VALLEYVIEW(dev)) { |
27c329ed ML |
14678 | dev_priv->display.modeset_commit_cdclk = |
14679 | valleyview_modeset_commit_cdclk; | |
14680 | dev_priv->display.modeset_calc_cdclk = | |
14681 | valleyview_modeset_calc_cdclk; | |
f8437dd1 | 14682 | } else if (IS_BROXTON(dev)) { |
27c329ed ML |
14683 | dev_priv->display.modeset_commit_cdclk = |
14684 | broxton_modeset_commit_cdclk; | |
14685 | dev_priv->display.modeset_calc_cdclk = | |
14686 | broxton_modeset_calc_cdclk; | |
e70236a8 | 14687 | } |
8c9f3aaf | 14688 | |
8c9f3aaf JB |
14689 | switch (INTEL_INFO(dev)->gen) { |
14690 | case 2: | |
14691 | dev_priv->display.queue_flip = intel_gen2_queue_flip; | |
14692 | break; | |
14693 | ||
14694 | case 3: | |
14695 | dev_priv->display.queue_flip = intel_gen3_queue_flip; | |
14696 | break; | |
14697 | ||
14698 | case 4: | |
14699 | case 5: | |
14700 | dev_priv->display.queue_flip = intel_gen4_queue_flip; | |
14701 | break; | |
14702 | ||
14703 | case 6: | |
14704 | dev_priv->display.queue_flip = intel_gen6_queue_flip; | |
14705 | break; | |
7c9017e5 | 14706 | case 7: |
4e0bbc31 | 14707 | case 8: /* FIXME(BDW): Check that the gen8 RCS flip works. */ |
7c9017e5 JB |
14708 | dev_priv->display.queue_flip = intel_gen7_queue_flip; |
14709 | break; | |
830c81db | 14710 | case 9: |
ba343e02 TU |
14711 | /* Drop through - unsupported since execlist only. */ |
14712 | default: | |
14713 | /* Default just returns -ENODEV to indicate unsupported */ | |
14714 | dev_priv->display.queue_flip = intel_default_queue_flip; | |
8c9f3aaf | 14715 | } |
7bd688cd JN |
14716 | |
14717 | intel_panel_init_backlight_funcs(dev); | |
e39b999a VS |
14718 | |
14719 | mutex_init(&dev_priv->pps_mutex); | |
e70236a8 JB |
14720 | } |
14721 | ||
b690e96c JB |
14722 | /* |
14723 | * Some BIOSes insist on assuming the GPU's pipe A is enabled at suspend, | |
14724 | * resume, or other times. This quirk makes sure that's the case for | |
14725 | * affected systems. | |
14726 | */ | |
0206e353 | 14727 | static void quirk_pipea_force(struct drm_device *dev) |
b690e96c JB |
14728 | { |
14729 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14730 | ||
14731 | dev_priv->quirks |= QUIRK_PIPEA_FORCE; | |
bc0daf48 | 14732 | DRM_INFO("applying pipe a force quirk\n"); |
b690e96c JB |
14733 | } |
14734 | ||
b6b5d049 VS |
14735 | static void quirk_pipeb_force(struct drm_device *dev) |
14736 | { | |
14737 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14738 | ||
14739 | dev_priv->quirks |= QUIRK_PIPEB_FORCE; | |
14740 | DRM_INFO("applying pipe b force quirk\n"); | |
14741 | } | |
14742 | ||
435793df KP |
14743 | /* |
14744 | * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason | |
14745 | */ | |
14746 | static void quirk_ssc_force_disable(struct drm_device *dev) | |
14747 | { | |
14748 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14749 | dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE; | |
bc0daf48 | 14750 | DRM_INFO("applying lvds SSC disable quirk\n"); |
435793df KP |
14751 | } |
14752 | ||
4dca20ef | 14753 | /* |
5a15ab5b CE |
14754 | * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight |
14755 | * brightness value | |
4dca20ef CE |
14756 | */ |
14757 | static void quirk_invert_brightness(struct drm_device *dev) | |
14758 | { | |
14759 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14760 | dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS; | |
bc0daf48 | 14761 | DRM_INFO("applying inverted panel brightness quirk\n"); |
435793df KP |
14762 | } |
14763 | ||
9c72cc6f SD |
14764 | /* Some VBT's incorrectly indicate no backlight is present */ |
14765 | static void quirk_backlight_present(struct drm_device *dev) | |
14766 | { | |
14767 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14768 | dev_priv->quirks |= QUIRK_BACKLIGHT_PRESENT; | |
14769 | DRM_INFO("applying backlight present quirk\n"); | |
14770 | } | |
14771 | ||
b690e96c JB |
14772 | struct intel_quirk { |
14773 | int device; | |
14774 | int subsystem_vendor; | |
14775 | int subsystem_device; | |
14776 | void (*hook)(struct drm_device *dev); | |
14777 | }; | |
14778 | ||
5f85f176 EE |
14779 | /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ |
14780 | struct intel_dmi_quirk { | |
14781 | void (*hook)(struct drm_device *dev); | |
14782 | const struct dmi_system_id (*dmi_id_list)[]; | |
14783 | }; | |
14784 | ||
14785 | static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) | |
14786 | { | |
14787 | DRM_INFO("Backlight polarity reversed on %s\n", id->ident); | |
14788 | return 1; | |
14789 | } | |
14790 | ||
14791 | static const struct intel_dmi_quirk intel_dmi_quirks[] = { | |
14792 | { | |
14793 | .dmi_id_list = &(const struct dmi_system_id[]) { | |
14794 | { | |
14795 | .callback = intel_dmi_reverse_brightness, | |
14796 | .ident = "NCR Corporation", | |
14797 | .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), | |
14798 | DMI_MATCH(DMI_PRODUCT_NAME, ""), | |
14799 | }, | |
14800 | }, | |
14801 | { } /* terminating entry */ | |
14802 | }, | |
14803 | .hook = quirk_invert_brightness, | |
14804 | }, | |
14805 | }; | |
14806 | ||
c43b5634 | 14807 | static struct intel_quirk intel_quirks[] = { |
b690e96c JB |
14808 | /* Toshiba Protege R-205, S-209 needs pipe A force quirk */ |
14809 | { 0x2592, 0x1179, 0x0001, quirk_pipea_force }, | |
14810 | ||
b690e96c JB |
14811 | /* ThinkPad T60 needs pipe A force quirk (bug #16494) */ |
14812 | { 0x2782, 0x17aa, 0x201a, quirk_pipea_force }, | |
14813 | ||
5f080c0f VS |
14814 | /* 830 needs to leave pipe A & dpll A up */ |
14815 | { 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force }, | |
14816 | ||
b6b5d049 VS |
14817 | /* 830 needs to leave pipe B & dpll B up */ |
14818 | { 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipeb_force }, | |
14819 | ||
435793df KP |
14820 | /* Lenovo U160 cannot use SSC on LVDS */ |
14821 | { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable }, | |
070d329a MAS |
14822 | |
14823 | /* Sony Vaio Y cannot use SSC on LVDS */ | |
14824 | { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable }, | |
5a15ab5b | 14825 | |
be505f64 AH |
14826 | /* Acer Aspire 5734Z must invert backlight brightness */ |
14827 | { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness }, | |
14828 | ||
14829 | /* Acer/eMachines G725 */ | |
14830 | { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness }, | |
14831 | ||
14832 | /* Acer/eMachines e725 */ | |
14833 | { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness }, | |
14834 | ||
14835 | /* Acer/Packard Bell NCL20 */ | |
14836 | { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness }, | |
14837 | ||
14838 | /* Acer Aspire 4736Z */ | |
14839 | { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness }, | |
0f540c3a JN |
14840 | |
14841 | /* Acer Aspire 5336 */ | |
14842 | { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness }, | |
2e93a1aa SD |
14843 | |
14844 | /* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */ | |
14845 | { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present }, | |
d4967d8c | 14846 | |
dfb3d47b SD |
14847 | /* Acer C720 Chromebook (Core i3 4005U) */ |
14848 | { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present }, | |
14849 | ||
b2a9601c | 14850 | /* Apple Macbook 2,1 (Core 2 T7400) */ |
14851 | { 0x27a2, 0x8086, 0x7270, quirk_backlight_present }, | |
14852 | ||
d4967d8c SD |
14853 | /* Toshiba CB35 Chromebook (Celeron 2955U) */ |
14854 | { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, | |
724cb06f SD |
14855 | |
14856 | /* HP Chromebook 14 (Celeron 2955U) */ | |
14857 | { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present }, | |
cf6f0af9 JN |
14858 | |
14859 | /* Dell Chromebook 11 */ | |
14860 | { 0x0a06, 0x1028, 0x0a35, quirk_backlight_present }, | |
b690e96c JB |
14861 | }; |
14862 | ||
14863 | static void intel_init_quirks(struct drm_device *dev) | |
14864 | { | |
14865 | struct pci_dev *d = dev->pdev; | |
14866 | int i; | |
14867 | ||
14868 | for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) { | |
14869 | struct intel_quirk *q = &intel_quirks[i]; | |
14870 | ||
14871 | if (d->device == q->device && | |
14872 | (d->subsystem_vendor == q->subsystem_vendor || | |
14873 | q->subsystem_vendor == PCI_ANY_ID) && | |
14874 | (d->subsystem_device == q->subsystem_device || | |
14875 | q->subsystem_device == PCI_ANY_ID)) | |
14876 | q->hook(dev); | |
14877 | } | |
5f85f176 EE |
14878 | for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) { |
14879 | if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0) | |
14880 | intel_dmi_quirks[i].hook(dev); | |
14881 | } | |
b690e96c JB |
14882 | } |
14883 | ||
9cce37f4 JB |
14884 | /* Disable the VGA plane that we never use */ |
14885 | static void i915_disable_vga(struct drm_device *dev) | |
14886 | { | |
14887 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14888 | u8 sr1; | |
766aa1c4 | 14889 | u32 vga_reg = i915_vgacntrl_reg(dev); |
9cce37f4 | 14890 | |
2b37c616 | 14891 | /* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */ |
9cce37f4 | 14892 | vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); |
3fdcf431 | 14893 | outb(SR01, VGA_SR_INDEX); |
9cce37f4 JB |
14894 | sr1 = inb(VGA_SR_DATA); |
14895 | outb(sr1 | 1<<5, VGA_SR_DATA); | |
14896 | vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); | |
14897 | udelay(300); | |
14898 | ||
01f5a626 | 14899 | I915_WRITE(vga_reg, VGA_DISP_DISABLE); |
9cce37f4 JB |
14900 | POSTING_READ(vga_reg); |
14901 | } | |
14902 | ||
f817586c DV |
14903 | void intel_modeset_init_hw(struct drm_device *dev) |
14904 | { | |
b6283055 | 14905 | intel_update_cdclk(dev); |
a8f78b58 | 14906 | intel_prepare_ddi(dev); |
f817586c | 14907 | intel_init_clock_gating(dev); |
8090c6b9 | 14908 | intel_enable_gt_powersave(dev); |
f817586c DV |
14909 | } |
14910 | ||
79e53945 JB |
14911 | void intel_modeset_init(struct drm_device *dev) |
14912 | { | |
652c393a | 14913 | struct drm_i915_private *dev_priv = dev->dev_private; |
1fe47785 | 14914 | int sprite, ret; |
8cc87b75 | 14915 | enum pipe pipe; |
46f297fb | 14916 | struct intel_crtc *crtc; |
79e53945 JB |
14917 | |
14918 | drm_mode_config_init(dev); | |
14919 | ||
14920 | dev->mode_config.min_width = 0; | |
14921 | dev->mode_config.min_height = 0; | |
14922 | ||
019d96cb DA |
14923 | dev->mode_config.preferred_depth = 24; |
14924 | dev->mode_config.prefer_shadow = 1; | |
14925 | ||
25bab385 TU |
14926 | dev->mode_config.allow_fb_modifiers = true; |
14927 | ||
e6ecefaa | 14928 | dev->mode_config.funcs = &intel_mode_funcs; |
79e53945 | 14929 | |
b690e96c JB |
14930 | intel_init_quirks(dev); |
14931 | ||
1fa61106 ED |
14932 | intel_init_pm(dev); |
14933 | ||
e3c74757 BW |
14934 | if (INTEL_INFO(dev)->num_pipes == 0) |
14935 | return; | |
14936 | ||
e70236a8 | 14937 | intel_init_display(dev); |
7c10a2b5 | 14938 | intel_init_audio(dev); |
e70236a8 | 14939 | |
a6c45cf0 CW |
14940 | if (IS_GEN2(dev)) { |
14941 | dev->mode_config.max_width = 2048; | |
14942 | dev->mode_config.max_height = 2048; | |
14943 | } else if (IS_GEN3(dev)) { | |
5e4d6fa7 KP |
14944 | dev->mode_config.max_width = 4096; |
14945 | dev->mode_config.max_height = 4096; | |
79e53945 | 14946 | } else { |
a6c45cf0 CW |
14947 | dev->mode_config.max_width = 8192; |
14948 | dev->mode_config.max_height = 8192; | |
79e53945 | 14949 | } |
068be561 | 14950 | |
dc41c154 VS |
14951 | if (IS_845G(dev) || IS_I865G(dev)) { |
14952 | dev->mode_config.cursor_width = IS_845G(dev) ? 64 : 512; | |
14953 | dev->mode_config.cursor_height = 1023; | |
14954 | } else if (IS_GEN2(dev)) { | |
068be561 DL |
14955 | dev->mode_config.cursor_width = GEN2_CURSOR_WIDTH; |
14956 | dev->mode_config.cursor_height = GEN2_CURSOR_HEIGHT; | |
14957 | } else { | |
14958 | dev->mode_config.cursor_width = MAX_CURSOR_WIDTH; | |
14959 | dev->mode_config.cursor_height = MAX_CURSOR_HEIGHT; | |
14960 | } | |
14961 | ||
5d4545ae | 14962 | dev->mode_config.fb_base = dev_priv->gtt.mappable_base; |
79e53945 | 14963 | |
28c97730 | 14964 | DRM_DEBUG_KMS("%d display pipe%s available.\n", |
7eb552ae BW |
14965 | INTEL_INFO(dev)->num_pipes, |
14966 | INTEL_INFO(dev)->num_pipes > 1 ? "s" : ""); | |
79e53945 | 14967 | |
055e393f | 14968 | for_each_pipe(dev_priv, pipe) { |
8cc87b75 | 14969 | intel_crtc_init(dev, pipe); |
3bdcfc0c | 14970 | for_each_sprite(dev_priv, pipe, sprite) { |
1fe47785 | 14971 | ret = intel_plane_init(dev, pipe, sprite); |
7f1f3851 | 14972 | if (ret) |
06da8da2 | 14973 | DRM_DEBUG_KMS("pipe %c sprite %c init failed: %d\n", |
1fe47785 | 14974 | pipe_name(pipe), sprite_name(pipe, sprite), ret); |
7f1f3851 | 14975 | } |
79e53945 JB |
14976 | } |
14977 | ||
f42bb70d JB |
14978 | intel_init_dpio(dev); |
14979 | ||
e72f9fbf | 14980 | intel_shared_dpll_init(dev); |
ee7b9f93 | 14981 | |
9cce37f4 JB |
14982 | /* Just disable it once at startup */ |
14983 | i915_disable_vga(dev); | |
79e53945 | 14984 | intel_setup_outputs(dev); |
11be49eb CW |
14985 | |
14986 | /* Just in case the BIOS is doing something questionable. */ | |
7ff0ebcc | 14987 | intel_fbc_disable(dev); |
fa9fa083 | 14988 | |
6e9f798d | 14989 | drm_modeset_lock_all(dev); |
fa9fa083 | 14990 | intel_modeset_setup_hw_state(dev, false); |
6e9f798d | 14991 | drm_modeset_unlock_all(dev); |
46f297fb | 14992 | |
d3fcc808 | 14993 | for_each_intel_crtc(dev, crtc) { |
46f297fb JB |
14994 | if (!crtc->active) |
14995 | continue; | |
14996 | ||
46f297fb | 14997 | /* |
46f297fb JB |
14998 | * Note that reserving the BIOS fb up front prevents us |
14999 | * from stuffing other stolen allocations like the ring | |
15000 | * on top. This prevents some ugliness at boot time, and | |
15001 | * can even allow for smooth boot transitions if the BIOS | |
15002 | * fb is large enough for the active pipe configuration. | |
15003 | */ | |
5724dbd1 DL |
15004 | if (dev_priv->display.get_initial_plane_config) { |
15005 | dev_priv->display.get_initial_plane_config(crtc, | |
46f297fb JB |
15006 | &crtc->plane_config); |
15007 | /* | |
15008 | * If the fb is shared between multiple heads, we'll | |
15009 | * just get the first one. | |
15010 | */ | |
f6936e29 | 15011 | intel_find_initial_plane_obj(crtc, &crtc->plane_config); |
46f297fb | 15012 | } |
46f297fb | 15013 | } |
2c7111db CW |
15014 | } |
15015 | ||
7fad798e DV |
15016 | static void intel_enable_pipe_a(struct drm_device *dev) |
15017 | { | |
15018 | struct intel_connector *connector; | |
15019 | struct drm_connector *crt = NULL; | |
15020 | struct intel_load_detect_pipe load_detect_temp; | |
208bf9fd | 15021 | struct drm_modeset_acquire_ctx *ctx = dev->mode_config.acquire_ctx; |
7fad798e DV |
15022 | |
15023 | /* We can't just switch on the pipe A, we need to set things up with a | |
15024 | * proper mode and output configuration. As a gross hack, enable pipe A | |
15025 | * by enabling the load detect pipe once. */ | |
3a3371ff | 15026 | for_each_intel_connector(dev, connector) { |
7fad798e DV |
15027 | if (connector->encoder->type == INTEL_OUTPUT_ANALOG) { |
15028 | crt = &connector->base; | |
15029 | break; | |
15030 | } | |
15031 | } | |
15032 | ||
15033 | if (!crt) | |
15034 | return; | |
15035 | ||
208bf9fd | 15036 | if (intel_get_load_detect_pipe(crt, NULL, &load_detect_temp, ctx)) |
49172fee | 15037 | intel_release_load_detect_pipe(crt, &load_detect_temp, ctx); |
7fad798e DV |
15038 | } |
15039 | ||
fa555837 DV |
15040 | static bool |
15041 | intel_check_plane_mapping(struct intel_crtc *crtc) | |
15042 | { | |
7eb552ae BW |
15043 | struct drm_device *dev = crtc->base.dev; |
15044 | struct drm_i915_private *dev_priv = dev->dev_private; | |
fa555837 DV |
15045 | u32 reg, val; |
15046 | ||
7eb552ae | 15047 | if (INTEL_INFO(dev)->num_pipes == 1) |
fa555837 DV |
15048 | return true; |
15049 | ||
15050 | reg = DSPCNTR(!crtc->plane); | |
15051 | val = I915_READ(reg); | |
15052 | ||
15053 | if ((val & DISPLAY_PLANE_ENABLE) && | |
15054 | (!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe)) | |
15055 | return false; | |
15056 | ||
15057 | return true; | |
15058 | } | |
15059 | ||
24929352 DV |
15060 | static void intel_sanitize_crtc(struct intel_crtc *crtc) |
15061 | { | |
15062 | struct drm_device *dev = crtc->base.dev; | |
15063 | struct drm_i915_private *dev_priv = dev->dev_private; | |
b17d48e2 | 15064 | struct intel_encoder *encoder; |
fa555837 | 15065 | u32 reg; |
b17d48e2 | 15066 | bool enable; |
24929352 | 15067 | |
24929352 | 15068 | /* Clear any frame start delays used for debugging left by the BIOS */ |
6e3c9717 | 15069 | reg = PIPECONF(crtc->config->cpu_transcoder); |
24929352 DV |
15070 | I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); |
15071 | ||
d3eaf884 | 15072 | /* restore vblank interrupts to correct state */ |
9625604c | 15073 | drm_crtc_vblank_reset(&crtc->base); |
d297e103 VS |
15074 | if (crtc->active) { |
15075 | update_scanline_offset(crtc); | |
9625604c DV |
15076 | drm_crtc_vblank_on(&crtc->base); |
15077 | } | |
d3eaf884 | 15078 | |
24929352 | 15079 | /* We need to sanitize the plane -> pipe mapping first because this will |
fa555837 DV |
15080 | * disable the crtc (and hence change the state) if it is wrong. Note |
15081 | * that gen4+ has a fixed plane -> pipe mapping. */ | |
15082 | if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) { | |
24929352 DV |
15083 | bool plane; |
15084 | ||
24929352 DV |
15085 | DRM_DEBUG_KMS("[CRTC:%d] wrong plane connection detected!\n", |
15086 | crtc->base.base.id); | |
15087 | ||
15088 | /* Pipe has the wrong plane attached and the plane is active. | |
15089 | * Temporarily change the plane mapping and disable everything | |
15090 | * ... */ | |
15091 | plane = crtc->plane; | |
b70709a6 | 15092 | to_intel_plane_state(crtc->base.primary->state)->visible = true; |
24929352 | 15093 | crtc->plane = !plane; |
b17d48e2 | 15094 | intel_crtc_disable_noatomic(&crtc->base); |
24929352 | 15095 | crtc->plane = plane; |
24929352 | 15096 | } |
24929352 | 15097 | |
7fad798e DV |
15098 | if (dev_priv->quirks & QUIRK_PIPEA_FORCE && |
15099 | crtc->pipe == PIPE_A && !crtc->active) { | |
15100 | /* BIOS forgot to enable pipe A, this mostly happens after | |
15101 | * resume. Force-enable the pipe to fix this, the update_dpms | |
15102 | * call below we restore the pipe to the right state, but leave | |
15103 | * the required bits on. */ | |
15104 | intel_enable_pipe_a(dev); | |
15105 | } | |
15106 | ||
24929352 DV |
15107 | /* Adjust the state of the output pipe according to whether we |
15108 | * have active connectors/encoders. */ | |
b17d48e2 ML |
15109 | enable = false; |
15110 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) | |
15111 | enable |= encoder->connectors_active; | |
24929352 | 15112 | |
b17d48e2 ML |
15113 | if (!enable) |
15114 | intel_crtc_disable_noatomic(&crtc->base); | |
24929352 | 15115 | |
53d9f4e9 | 15116 | if (crtc->active != crtc->base.state->active) { |
24929352 DV |
15117 | |
15118 | /* This can happen either due to bugs in the get_hw_state | |
b17d48e2 ML |
15119 | * functions or because of calls to intel_crtc_disable_noatomic, |
15120 | * or because the pipe is force-enabled due to the | |
24929352 DV |
15121 | * pipe A quirk. */ |
15122 | DRM_DEBUG_KMS("[CRTC:%d] hw state adjusted, was %s, now %s\n", | |
15123 | crtc->base.base.id, | |
83d65738 | 15124 | crtc->base.state->enable ? "enabled" : "disabled", |
24929352 DV |
15125 | crtc->active ? "enabled" : "disabled"); |
15126 | ||
83d65738 | 15127 | crtc->base.state->enable = crtc->active; |
49d6fa21 | 15128 | crtc->base.state->active = crtc->active; |
24929352 DV |
15129 | crtc->base.enabled = crtc->active; |
15130 | ||
15131 | /* Because we only establish the connector -> encoder -> | |
15132 | * crtc links if something is active, this means the | |
15133 | * crtc is now deactivated. Break the links. connector | |
15134 | * -> encoder links are only establish when things are | |
15135 | * actually up, hence no need to break them. */ | |
15136 | WARN_ON(crtc->active); | |
15137 | ||
15138 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) { | |
15139 | WARN_ON(encoder->connectors_active); | |
15140 | encoder->base.crtc = NULL; | |
15141 | } | |
15142 | } | |
c5ab3bc0 | 15143 | |
a3ed6aad | 15144 | if (crtc->active || HAS_GMCH_DISPLAY(dev)) { |
4cc31489 DV |
15145 | /* |
15146 | * We start out with underrun reporting disabled to avoid races. | |
15147 | * For correct bookkeeping mark this on active crtcs. | |
15148 | * | |
c5ab3bc0 DV |
15149 | * Also on gmch platforms we dont have any hardware bits to |
15150 | * disable the underrun reporting. Which means we need to start | |
15151 | * out with underrun reporting disabled also on inactive pipes, | |
15152 | * since otherwise we'll complain about the garbage we read when | |
15153 | * e.g. coming up after runtime pm. | |
15154 | * | |
4cc31489 DV |
15155 | * No protection against concurrent access is required - at |
15156 | * worst a fifo underrun happens which also sets this to false. | |
15157 | */ | |
15158 | crtc->cpu_fifo_underrun_disabled = true; | |
15159 | crtc->pch_fifo_underrun_disabled = true; | |
15160 | } | |
24929352 DV |
15161 | } |
15162 | ||
15163 | static void intel_sanitize_encoder(struct intel_encoder *encoder) | |
15164 | { | |
15165 | struct intel_connector *connector; | |
15166 | struct drm_device *dev = encoder->base.dev; | |
15167 | ||
15168 | /* We need to check both for a crtc link (meaning that the | |
15169 | * encoder is active and trying to read from a pipe) and the | |
15170 | * pipe itself being active. */ | |
15171 | bool has_active_crtc = encoder->base.crtc && | |
15172 | to_intel_crtc(encoder->base.crtc)->active; | |
15173 | ||
15174 | if (encoder->connectors_active && !has_active_crtc) { | |
15175 | DRM_DEBUG_KMS("[ENCODER:%d:%s] has active connectors but no active pipe!\n", | |
15176 | encoder->base.base.id, | |
8e329a03 | 15177 | encoder->base.name); |
24929352 DV |
15178 | |
15179 | /* Connector is active, but has no active pipe. This is | |
15180 | * fallout from our resume register restoring. Disable | |
15181 | * the encoder manually again. */ | |
15182 | if (encoder->base.crtc) { | |
15183 | DRM_DEBUG_KMS("[ENCODER:%d:%s] manually disabled\n", | |
15184 | encoder->base.base.id, | |
8e329a03 | 15185 | encoder->base.name); |
24929352 | 15186 | encoder->disable(encoder); |
a62d1497 VS |
15187 | if (encoder->post_disable) |
15188 | encoder->post_disable(encoder); | |
24929352 | 15189 | } |
7f1950fb EE |
15190 | encoder->base.crtc = NULL; |
15191 | encoder->connectors_active = false; | |
24929352 DV |
15192 | |
15193 | /* Inconsistent output/port/pipe state happens presumably due to | |
15194 | * a bug in one of the get_hw_state functions. Or someplace else | |
15195 | * in our code, like the register restore mess on resume. Clamp | |
15196 | * things to off as a safer default. */ | |
3a3371ff | 15197 | for_each_intel_connector(dev, connector) { |
24929352 DV |
15198 | if (connector->encoder != encoder) |
15199 | continue; | |
7f1950fb EE |
15200 | connector->base.dpms = DRM_MODE_DPMS_OFF; |
15201 | connector->base.encoder = NULL; | |
24929352 DV |
15202 | } |
15203 | } | |
15204 | /* Enabled encoders without active connectors will be fixed in | |
15205 | * the crtc fixup. */ | |
15206 | } | |
15207 | ||
04098753 | 15208 | void i915_redisable_vga_power_on(struct drm_device *dev) |
0fde901f KM |
15209 | { |
15210 | struct drm_i915_private *dev_priv = dev->dev_private; | |
766aa1c4 | 15211 | u32 vga_reg = i915_vgacntrl_reg(dev); |
0fde901f | 15212 | |
04098753 ID |
15213 | if (!(I915_READ(vga_reg) & VGA_DISP_DISABLE)) { |
15214 | DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); | |
15215 | i915_disable_vga(dev); | |
15216 | } | |
15217 | } | |
15218 | ||
15219 | void i915_redisable_vga(struct drm_device *dev) | |
15220 | { | |
15221 | struct drm_i915_private *dev_priv = dev->dev_private; | |
15222 | ||
8dc8a27c PZ |
15223 | /* This function can be called both from intel_modeset_setup_hw_state or |
15224 | * at a very early point in our resume sequence, where the power well | |
15225 | * structures are not yet restored. Since this function is at a very | |
15226 | * paranoid "someone might have enabled VGA while we were not looking" | |
15227 | * level, just check if the power well is enabled instead of trying to | |
15228 | * follow the "don't touch the power well if we don't need it" policy | |
15229 | * the rest of the driver uses. */ | |
f458ebbc | 15230 | if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_VGA)) |
8dc8a27c PZ |
15231 | return; |
15232 | ||
04098753 | 15233 | i915_redisable_vga_power_on(dev); |
0fde901f KM |
15234 | } |
15235 | ||
98ec7739 VS |
15236 | static bool primary_get_hw_state(struct intel_crtc *crtc) |
15237 | { | |
15238 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; | |
15239 | ||
d032ffa0 ML |
15240 | return !!(I915_READ(DSPCNTR(crtc->plane)) & DISPLAY_PLANE_ENABLE); |
15241 | } | |
15242 | ||
15243 | static void readout_plane_state(struct intel_crtc *crtc, | |
15244 | struct intel_crtc_state *crtc_state) | |
15245 | { | |
15246 | struct intel_plane *p; | |
15247 | struct drm_plane_state *drm_plane_state; | |
15248 | bool active = crtc_state->base.active; | |
15249 | ||
15250 | if (active) { | |
15251 | crtc_state->quirks |= PIPE_CONFIG_QUIRK_INITIAL_PLANES; | |
15252 | ||
15253 | /* apply to previous sw state too */ | |
15254 | to_intel_crtc_state(crtc->base.state)->quirks |= | |
15255 | PIPE_CONFIG_QUIRK_INITIAL_PLANES; | |
15256 | } | |
98ec7739 | 15257 | |
d032ffa0 ML |
15258 | for_each_intel_plane(crtc->base.dev, p) { |
15259 | bool visible = active; | |
15260 | ||
15261 | if (crtc->pipe != p->pipe) | |
15262 | continue; | |
15263 | ||
15264 | drm_plane_state = p->base.state; | |
15265 | if (active && p->base.type == DRM_PLANE_TYPE_PRIMARY) { | |
15266 | visible = primary_get_hw_state(crtc); | |
15267 | to_intel_plane_state(drm_plane_state)->visible = visible; | |
15268 | } else { | |
15269 | /* | |
15270 | * unknown state, assume it's off to force a transition | |
15271 | * to on when calculating state changes. | |
15272 | */ | |
15273 | to_intel_plane_state(drm_plane_state)->visible = false; | |
15274 | } | |
15275 | ||
15276 | if (visible) { | |
15277 | crtc_state->base.plane_mask |= | |
15278 | 1 << drm_plane_index(&p->base); | |
15279 | } else if (crtc_state->base.state) { | |
15280 | /* Make this unconditional for atomic hw readout. */ | |
15281 | crtc_state->base.plane_mask &= | |
15282 | ~(1 << drm_plane_index(&p->base)); | |
15283 | } | |
15284 | } | |
98ec7739 VS |
15285 | } |
15286 | ||
30e984df | 15287 | static void intel_modeset_readout_hw_state(struct drm_device *dev) |
24929352 DV |
15288 | { |
15289 | struct drm_i915_private *dev_priv = dev->dev_private; | |
15290 | enum pipe pipe; | |
24929352 DV |
15291 | struct intel_crtc *crtc; |
15292 | struct intel_encoder *encoder; | |
15293 | struct intel_connector *connector; | |
5358901f | 15294 | int i; |
24929352 | 15295 | |
d3fcc808 | 15296 | for_each_intel_crtc(dev, crtc) { |
6e3c9717 | 15297 | memset(crtc->config, 0, sizeof(*crtc->config)); |
f7217905 | 15298 | crtc->config->base.crtc = &crtc->base; |
3b117c8f | 15299 | |
6e3c9717 | 15300 | crtc->config->quirks |= PIPE_CONFIG_QUIRK_INHERITED_MODE; |
9953599b | 15301 | |
0e8ffe1b | 15302 | crtc->active = dev_priv->display.get_pipe_config(crtc, |
6e3c9717 | 15303 | crtc->config); |
24929352 | 15304 | |
83d65738 | 15305 | crtc->base.state->enable = crtc->active; |
49d6fa21 | 15306 | crtc->base.state->active = crtc->active; |
24929352 | 15307 | crtc->base.enabled = crtc->active; |
b8b7fade | 15308 | crtc->base.hwmode = crtc->config->base.adjusted_mode; |
b70709a6 | 15309 | |
d032ffa0 | 15310 | readout_plane_state(crtc, to_intel_crtc_state(crtc->base.state)); |
24929352 DV |
15311 | |
15312 | DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n", | |
15313 | crtc->base.base.id, | |
15314 | crtc->active ? "enabled" : "disabled"); | |
15315 | } | |
15316 | ||
5358901f DV |
15317 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
15318 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
15319 | ||
3e369b76 ACO |
15320 | pll->on = pll->get_hw_state(dev_priv, pll, |
15321 | &pll->config.hw_state); | |
5358901f | 15322 | pll->active = 0; |
3e369b76 | 15323 | pll->config.crtc_mask = 0; |
d3fcc808 | 15324 | for_each_intel_crtc(dev, crtc) { |
1e6f2ddc | 15325 | if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) { |
5358901f | 15326 | pll->active++; |
3e369b76 | 15327 | pll->config.crtc_mask |= 1 << crtc->pipe; |
1e6f2ddc | 15328 | } |
5358901f | 15329 | } |
5358901f | 15330 | |
1e6f2ddc | 15331 | DRM_DEBUG_KMS("%s hw state readout: crtc_mask 0x%08x, on %i\n", |
3e369b76 | 15332 | pll->name, pll->config.crtc_mask, pll->on); |
bd2bb1b9 | 15333 | |
3e369b76 | 15334 | if (pll->config.crtc_mask) |
bd2bb1b9 | 15335 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); |
5358901f DV |
15336 | } |
15337 | ||
b2784e15 | 15338 | for_each_intel_encoder(dev, encoder) { |
24929352 DV |
15339 | pipe = 0; |
15340 | ||
15341 | if (encoder->get_hw_state(encoder, &pipe)) { | |
045ac3b5 JB |
15342 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
15343 | encoder->base.crtc = &crtc->base; | |
6e3c9717 | 15344 | encoder->get_config(encoder, crtc->config); |
24929352 DV |
15345 | } else { |
15346 | encoder->base.crtc = NULL; | |
15347 | } | |
15348 | ||
15349 | encoder->connectors_active = false; | |
6f2bcceb | 15350 | DRM_DEBUG_KMS("[ENCODER:%d:%s] hw state readout: %s, pipe %c\n", |
24929352 | 15351 | encoder->base.base.id, |
8e329a03 | 15352 | encoder->base.name, |
24929352 | 15353 | encoder->base.crtc ? "enabled" : "disabled", |
6f2bcceb | 15354 | pipe_name(pipe)); |
24929352 DV |
15355 | } |
15356 | ||
3a3371ff | 15357 | for_each_intel_connector(dev, connector) { |
24929352 DV |
15358 | if (connector->get_hw_state(connector)) { |
15359 | connector->base.dpms = DRM_MODE_DPMS_ON; | |
15360 | connector->encoder->connectors_active = true; | |
15361 | connector->base.encoder = &connector->encoder->base; | |
15362 | } else { | |
15363 | connector->base.dpms = DRM_MODE_DPMS_OFF; | |
15364 | connector->base.encoder = NULL; | |
15365 | } | |
15366 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] hw state readout: %s\n", | |
15367 | connector->base.base.id, | |
c23cc417 | 15368 | connector->base.name, |
24929352 DV |
15369 | connector->base.encoder ? "enabled" : "disabled"); |
15370 | } | |
30e984df DV |
15371 | } |
15372 | ||
15373 | /* Scan out the current hw modeset state, sanitizes it and maps it into the drm | |
15374 | * and i915 state tracking structures. */ | |
15375 | void intel_modeset_setup_hw_state(struct drm_device *dev, | |
15376 | bool force_restore) | |
15377 | { | |
15378 | struct drm_i915_private *dev_priv = dev->dev_private; | |
15379 | enum pipe pipe; | |
30e984df DV |
15380 | struct intel_crtc *crtc; |
15381 | struct intel_encoder *encoder; | |
35c95375 | 15382 | int i; |
30e984df DV |
15383 | |
15384 | intel_modeset_readout_hw_state(dev); | |
24929352 | 15385 | |
babea61d JB |
15386 | /* |
15387 | * Now that we have the config, copy it to each CRTC struct | |
15388 | * Note that this could go away if we move to using crtc_config | |
15389 | * checking everywhere. | |
15390 | */ | |
d3fcc808 | 15391 | for_each_intel_crtc(dev, crtc) { |
d330a953 | 15392 | if (crtc->active && i915.fastboot) { |
6e3c9717 ACO |
15393 | intel_mode_from_pipe_config(&crtc->base.mode, |
15394 | crtc->config); | |
babea61d JB |
15395 | DRM_DEBUG_KMS("[CRTC:%d] found active mode: ", |
15396 | crtc->base.base.id); | |
15397 | drm_mode_debug_printmodeline(&crtc->base.mode); | |
15398 | } | |
15399 | } | |
15400 | ||
24929352 | 15401 | /* HW state is read out, now we need to sanitize this mess. */ |
b2784e15 | 15402 | for_each_intel_encoder(dev, encoder) { |
24929352 DV |
15403 | intel_sanitize_encoder(encoder); |
15404 | } | |
15405 | ||
055e393f | 15406 | for_each_pipe(dev_priv, pipe) { |
24929352 DV |
15407 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
15408 | intel_sanitize_crtc(crtc); | |
6e3c9717 ACO |
15409 | intel_dump_pipe_config(crtc, crtc->config, |
15410 | "[setup_hw_state]"); | |
24929352 | 15411 | } |
9a935856 | 15412 | |
d29b2f9d ACO |
15413 | intel_modeset_update_connector_atomic_state(dev); |
15414 | ||
35c95375 DV |
15415 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
15416 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
15417 | ||
15418 | if (!pll->on || pll->active) | |
15419 | continue; | |
15420 | ||
15421 | DRM_DEBUG_KMS("%s enabled but not in use, disabling\n", pll->name); | |
15422 | ||
15423 | pll->disable(dev_priv, pll); | |
15424 | pll->on = false; | |
15425 | } | |
15426 | ||
3078999f PB |
15427 | if (IS_GEN9(dev)) |
15428 | skl_wm_get_hw_state(dev); | |
15429 | else if (HAS_PCH_SPLIT(dev)) | |
243e6a44 VS |
15430 | ilk_wm_get_hw_state(dev); |
15431 | ||
45e2b5f6 | 15432 | if (force_restore) { |
7d0bc1ea VS |
15433 | i915_redisable_vga(dev); |
15434 | ||
f30da187 DV |
15435 | /* |
15436 | * We need to use raw interfaces for restoring state to avoid | |
15437 | * checking (bogus) intermediate states. | |
15438 | */ | |
055e393f | 15439 | for_each_pipe(dev_priv, pipe) { |
b5644d05 JB |
15440 | struct drm_crtc *crtc = |
15441 | dev_priv->pipe_to_crtc_mapping[pipe]; | |
f30da187 | 15442 | |
83a57153 | 15443 | intel_crtc_restore_mode(crtc); |
45e2b5f6 DV |
15444 | } |
15445 | } else { | |
15446 | intel_modeset_update_staged_output_state(dev); | |
15447 | } | |
8af6cf88 DV |
15448 | |
15449 | intel_modeset_check_state(dev); | |
2c7111db CW |
15450 | } |
15451 | ||
15452 | void intel_modeset_gem_init(struct drm_device *dev) | |
15453 | { | |
92122789 | 15454 | struct drm_i915_private *dev_priv = dev->dev_private; |
484b41dd | 15455 | struct drm_crtc *c; |
2ff8fde1 | 15456 | struct drm_i915_gem_object *obj; |
e0d6149b | 15457 | int ret; |
484b41dd | 15458 | |
ae48434c ID |
15459 | mutex_lock(&dev->struct_mutex); |
15460 | intel_init_gt_powersave(dev); | |
15461 | mutex_unlock(&dev->struct_mutex); | |
15462 | ||
92122789 JB |
15463 | /* |
15464 | * There may be no VBT; and if the BIOS enabled SSC we can | |
15465 | * just keep using it to avoid unnecessary flicker. Whereas if the | |
15466 | * BIOS isn't using it, don't assume it will work even if the VBT | |
15467 | * indicates as much. | |
15468 | */ | |
15469 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
15470 | dev_priv->vbt.lvds_use_ssc = !!(I915_READ(PCH_DREF_CONTROL) & | |
15471 | DREF_SSC1_ENABLE); | |
15472 | ||
1833b134 | 15473 | intel_modeset_init_hw(dev); |
02e792fb DV |
15474 | |
15475 | intel_setup_overlay(dev); | |
484b41dd JB |
15476 | |
15477 | /* | |
15478 | * Make sure any fbs we allocated at startup are properly | |
15479 | * pinned & fenced. When we do the allocation it's too early | |
15480 | * for this. | |
15481 | */ | |
70e1e0ec | 15482 | for_each_crtc(dev, c) { |
2ff8fde1 MR |
15483 | obj = intel_fb_obj(c->primary->fb); |
15484 | if (obj == NULL) | |
484b41dd JB |
15485 | continue; |
15486 | ||
e0d6149b TU |
15487 | mutex_lock(&dev->struct_mutex); |
15488 | ret = intel_pin_and_fence_fb_obj(c->primary, | |
15489 | c->primary->fb, | |
15490 | c->primary->state, | |
91af127f | 15491 | NULL, NULL); |
e0d6149b TU |
15492 | mutex_unlock(&dev->struct_mutex); |
15493 | if (ret) { | |
484b41dd JB |
15494 | DRM_ERROR("failed to pin boot fb on pipe %d\n", |
15495 | to_intel_crtc(c)->pipe); | |
66e514c1 DA |
15496 | drm_framebuffer_unreference(c->primary->fb); |
15497 | c->primary->fb = NULL; | |
36750f28 | 15498 | c->primary->crtc = c->primary->state->crtc = NULL; |
afd65eb4 | 15499 | update_state_fb(c->primary); |
36750f28 | 15500 | c->state->plane_mask &= ~(1 << drm_plane_index(c->primary)); |
484b41dd JB |
15501 | } |
15502 | } | |
0962c3c9 VS |
15503 | |
15504 | intel_backlight_register(dev); | |
79e53945 JB |
15505 | } |
15506 | ||
4932e2c3 ID |
15507 | void intel_connector_unregister(struct intel_connector *intel_connector) |
15508 | { | |
15509 | struct drm_connector *connector = &intel_connector->base; | |
15510 | ||
15511 | intel_panel_destroy_backlight(connector); | |
34ea3d38 | 15512 | drm_connector_unregister(connector); |
4932e2c3 ID |
15513 | } |
15514 | ||
79e53945 JB |
15515 | void intel_modeset_cleanup(struct drm_device *dev) |
15516 | { | |
652c393a | 15517 | struct drm_i915_private *dev_priv = dev->dev_private; |
d9255d57 | 15518 | struct drm_connector *connector; |
652c393a | 15519 | |
2eb5252e ID |
15520 | intel_disable_gt_powersave(dev); |
15521 | ||
0962c3c9 VS |
15522 | intel_backlight_unregister(dev); |
15523 | ||
fd0c0642 DV |
15524 | /* |
15525 | * Interrupts and polling as the first thing to avoid creating havoc. | |
2eb5252e | 15526 | * Too much stuff here (turning of connectors, ...) would |
fd0c0642 DV |
15527 | * experience fancy races otherwise. |
15528 | */ | |
2aeb7d3a | 15529 | intel_irq_uninstall(dev_priv); |
eb21b92b | 15530 | |
fd0c0642 DV |
15531 | /* |
15532 | * Due to the hpd irq storm handling the hotplug work can re-arm the | |
15533 | * poll handlers. Hence disable polling after hpd handling is shut down. | |
15534 | */ | |
f87ea761 | 15535 | drm_kms_helper_poll_fini(dev); |
fd0c0642 | 15536 | |
652c393a JB |
15537 | mutex_lock(&dev->struct_mutex); |
15538 | ||
723bfd70 JB |
15539 | intel_unregister_dsm_handler(); |
15540 | ||
7ff0ebcc | 15541 | intel_fbc_disable(dev); |
e70236a8 | 15542 | |
69341a5e KH |
15543 | mutex_unlock(&dev->struct_mutex); |
15544 | ||
1630fe75 CW |
15545 | /* flush any delayed tasks or pending work */ |
15546 | flush_scheduled_work(); | |
15547 | ||
db31af1d JN |
15548 | /* destroy the backlight and sysfs files before encoders/connectors */ |
15549 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
4932e2c3 ID |
15550 | struct intel_connector *intel_connector; |
15551 | ||
15552 | intel_connector = to_intel_connector(connector); | |
15553 | intel_connector->unregister(intel_connector); | |
db31af1d | 15554 | } |
d9255d57 | 15555 | |
79e53945 | 15556 | drm_mode_config_cleanup(dev); |
4d7bb011 DV |
15557 | |
15558 | intel_cleanup_overlay(dev); | |
ae48434c ID |
15559 | |
15560 | mutex_lock(&dev->struct_mutex); | |
15561 | intel_cleanup_gt_powersave(dev); | |
15562 | mutex_unlock(&dev->struct_mutex); | |
79e53945 JB |
15563 | } |
15564 | ||
f1c79df3 ZW |
15565 | /* |
15566 | * Return which encoder is currently attached for connector. | |
15567 | */ | |
df0e9248 | 15568 | struct drm_encoder *intel_best_encoder(struct drm_connector *connector) |
79e53945 | 15569 | { |
df0e9248 CW |
15570 | return &intel_attached_encoder(connector)->base; |
15571 | } | |
f1c79df3 | 15572 | |
df0e9248 CW |
15573 | void intel_connector_attach_encoder(struct intel_connector *connector, |
15574 | struct intel_encoder *encoder) | |
15575 | { | |
15576 | connector->encoder = encoder; | |
15577 | drm_mode_connector_attach_encoder(&connector->base, | |
15578 | &encoder->base); | |
79e53945 | 15579 | } |
28d52043 DA |
15580 | |
15581 | /* | |
15582 | * set vga decode state - true == enable VGA decode | |
15583 | */ | |
15584 | int intel_modeset_vga_set_state(struct drm_device *dev, bool state) | |
15585 | { | |
15586 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a885b3cc | 15587 | unsigned reg = INTEL_INFO(dev)->gen >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL; |
28d52043 DA |
15588 | u16 gmch_ctrl; |
15589 | ||
75fa041d CW |
15590 | if (pci_read_config_word(dev_priv->bridge_dev, reg, &gmch_ctrl)) { |
15591 | DRM_ERROR("failed to read control word\n"); | |
15592 | return -EIO; | |
15593 | } | |
15594 | ||
c0cc8a55 CW |
15595 | if (!!(gmch_ctrl & INTEL_GMCH_VGA_DISABLE) == !state) |
15596 | return 0; | |
15597 | ||
28d52043 DA |
15598 | if (state) |
15599 | gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE; | |
15600 | else | |
15601 | gmch_ctrl |= INTEL_GMCH_VGA_DISABLE; | |
75fa041d CW |
15602 | |
15603 | if (pci_write_config_word(dev_priv->bridge_dev, reg, gmch_ctrl)) { | |
15604 | DRM_ERROR("failed to write control word\n"); | |
15605 | return -EIO; | |
15606 | } | |
15607 | ||
28d52043 DA |
15608 | return 0; |
15609 | } | |
c4a1d9e4 | 15610 | |
c4a1d9e4 | 15611 | struct intel_display_error_state { |
ff57f1b0 PZ |
15612 | |
15613 | u32 power_well_driver; | |
15614 | ||
63b66e5b CW |
15615 | int num_transcoders; |
15616 | ||
c4a1d9e4 CW |
15617 | struct intel_cursor_error_state { |
15618 | u32 control; | |
15619 | u32 position; | |
15620 | u32 base; | |
15621 | u32 size; | |
52331309 | 15622 | } cursor[I915_MAX_PIPES]; |
c4a1d9e4 CW |
15623 | |
15624 | struct intel_pipe_error_state { | |
ddf9c536 | 15625 | bool power_domain_on; |
c4a1d9e4 | 15626 | u32 source; |
f301b1e1 | 15627 | u32 stat; |
52331309 | 15628 | } pipe[I915_MAX_PIPES]; |
c4a1d9e4 CW |
15629 | |
15630 | struct intel_plane_error_state { | |
15631 | u32 control; | |
15632 | u32 stride; | |
15633 | u32 size; | |
15634 | u32 pos; | |
15635 | u32 addr; | |
15636 | u32 surface; | |
15637 | u32 tile_offset; | |
52331309 | 15638 | } plane[I915_MAX_PIPES]; |
63b66e5b CW |
15639 | |
15640 | struct intel_transcoder_error_state { | |
ddf9c536 | 15641 | bool power_domain_on; |
63b66e5b CW |
15642 | enum transcoder cpu_transcoder; |
15643 | ||
15644 | u32 conf; | |
15645 | ||
15646 | u32 htotal; | |
15647 | u32 hblank; | |
15648 | u32 hsync; | |
15649 | u32 vtotal; | |
15650 | u32 vblank; | |
15651 | u32 vsync; | |
15652 | } transcoder[4]; | |
c4a1d9e4 CW |
15653 | }; |
15654 | ||
15655 | struct intel_display_error_state * | |
15656 | intel_display_capture_error_state(struct drm_device *dev) | |
15657 | { | |
fbee40df | 15658 | struct drm_i915_private *dev_priv = dev->dev_private; |
c4a1d9e4 | 15659 | struct intel_display_error_state *error; |
63b66e5b CW |
15660 | int transcoders[] = { |
15661 | TRANSCODER_A, | |
15662 | TRANSCODER_B, | |
15663 | TRANSCODER_C, | |
15664 | TRANSCODER_EDP, | |
15665 | }; | |
c4a1d9e4 CW |
15666 | int i; |
15667 | ||
63b66e5b CW |
15668 | if (INTEL_INFO(dev)->num_pipes == 0) |
15669 | return NULL; | |
15670 | ||
9d1cb914 | 15671 | error = kzalloc(sizeof(*error), GFP_ATOMIC); |
c4a1d9e4 CW |
15672 | if (error == NULL) |
15673 | return NULL; | |
15674 | ||
190be112 | 15675 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
ff57f1b0 PZ |
15676 | error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER); |
15677 | ||
055e393f | 15678 | for_each_pipe(dev_priv, i) { |
ddf9c536 | 15679 | error->pipe[i].power_domain_on = |
f458ebbc DV |
15680 | __intel_display_power_is_enabled(dev_priv, |
15681 | POWER_DOMAIN_PIPE(i)); | |
ddf9c536 | 15682 | if (!error->pipe[i].power_domain_on) |
9d1cb914 PZ |
15683 | continue; |
15684 | ||
5efb3e28 VS |
15685 | error->cursor[i].control = I915_READ(CURCNTR(i)); |
15686 | error->cursor[i].position = I915_READ(CURPOS(i)); | |
15687 | error->cursor[i].base = I915_READ(CURBASE(i)); | |
c4a1d9e4 CW |
15688 | |
15689 | error->plane[i].control = I915_READ(DSPCNTR(i)); | |
15690 | error->plane[i].stride = I915_READ(DSPSTRIDE(i)); | |
80ca378b | 15691 | if (INTEL_INFO(dev)->gen <= 3) { |
51889b35 | 15692 | error->plane[i].size = I915_READ(DSPSIZE(i)); |
80ca378b PZ |
15693 | error->plane[i].pos = I915_READ(DSPPOS(i)); |
15694 | } | |
ca291363 PZ |
15695 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
15696 | error->plane[i].addr = I915_READ(DSPADDR(i)); | |
c4a1d9e4 CW |
15697 | if (INTEL_INFO(dev)->gen >= 4) { |
15698 | error->plane[i].surface = I915_READ(DSPSURF(i)); | |
15699 | error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i)); | |
15700 | } | |
15701 | ||
c4a1d9e4 | 15702 | error->pipe[i].source = I915_READ(PIPESRC(i)); |
f301b1e1 | 15703 | |
3abfce77 | 15704 | if (HAS_GMCH_DISPLAY(dev)) |
f301b1e1 | 15705 | error->pipe[i].stat = I915_READ(PIPESTAT(i)); |
63b66e5b CW |
15706 | } |
15707 | ||
15708 | error->num_transcoders = INTEL_INFO(dev)->num_pipes; | |
15709 | if (HAS_DDI(dev_priv->dev)) | |
15710 | error->num_transcoders++; /* Account for eDP. */ | |
15711 | ||
15712 | for (i = 0; i < error->num_transcoders; i++) { | |
15713 | enum transcoder cpu_transcoder = transcoders[i]; | |
15714 | ||
ddf9c536 | 15715 | error->transcoder[i].power_domain_on = |
f458ebbc | 15716 | __intel_display_power_is_enabled(dev_priv, |
38cc1daf | 15717 | POWER_DOMAIN_TRANSCODER(cpu_transcoder)); |
ddf9c536 | 15718 | if (!error->transcoder[i].power_domain_on) |
9d1cb914 PZ |
15719 | continue; |
15720 | ||
63b66e5b CW |
15721 | error->transcoder[i].cpu_transcoder = cpu_transcoder; |
15722 | ||
15723 | error->transcoder[i].conf = I915_READ(PIPECONF(cpu_transcoder)); | |
15724 | error->transcoder[i].htotal = I915_READ(HTOTAL(cpu_transcoder)); | |
15725 | error->transcoder[i].hblank = I915_READ(HBLANK(cpu_transcoder)); | |
15726 | error->transcoder[i].hsync = I915_READ(HSYNC(cpu_transcoder)); | |
15727 | error->transcoder[i].vtotal = I915_READ(VTOTAL(cpu_transcoder)); | |
15728 | error->transcoder[i].vblank = I915_READ(VBLANK(cpu_transcoder)); | |
15729 | error->transcoder[i].vsync = I915_READ(VSYNC(cpu_transcoder)); | |
c4a1d9e4 CW |
15730 | } |
15731 | ||
15732 | return error; | |
15733 | } | |
15734 | ||
edc3d884 MK |
15735 | #define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__) |
15736 | ||
c4a1d9e4 | 15737 | void |
edc3d884 | 15738 | intel_display_print_error_state(struct drm_i915_error_state_buf *m, |
c4a1d9e4 CW |
15739 | struct drm_device *dev, |
15740 | struct intel_display_error_state *error) | |
15741 | { | |
055e393f | 15742 | struct drm_i915_private *dev_priv = dev->dev_private; |
c4a1d9e4 CW |
15743 | int i; |
15744 | ||
63b66e5b CW |
15745 | if (!error) |
15746 | return; | |
15747 | ||
edc3d884 | 15748 | err_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes); |
190be112 | 15749 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
edc3d884 | 15750 | err_printf(m, "PWR_WELL_CTL2: %08x\n", |
ff57f1b0 | 15751 | error->power_well_driver); |
055e393f | 15752 | for_each_pipe(dev_priv, i) { |
edc3d884 | 15753 | err_printf(m, "Pipe [%d]:\n", i); |
ddf9c536 ID |
15754 | err_printf(m, " Power: %s\n", |
15755 | error->pipe[i].power_domain_on ? "on" : "off"); | |
edc3d884 | 15756 | err_printf(m, " SRC: %08x\n", error->pipe[i].source); |
f301b1e1 | 15757 | err_printf(m, " STAT: %08x\n", error->pipe[i].stat); |
edc3d884 MK |
15758 | |
15759 | err_printf(m, "Plane [%d]:\n", i); | |
15760 | err_printf(m, " CNTR: %08x\n", error->plane[i].control); | |
15761 | err_printf(m, " STRIDE: %08x\n", error->plane[i].stride); | |
80ca378b | 15762 | if (INTEL_INFO(dev)->gen <= 3) { |
edc3d884 MK |
15763 | err_printf(m, " SIZE: %08x\n", error->plane[i].size); |
15764 | err_printf(m, " POS: %08x\n", error->plane[i].pos); | |
80ca378b | 15765 | } |
4b71a570 | 15766 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
edc3d884 | 15767 | err_printf(m, " ADDR: %08x\n", error->plane[i].addr); |
c4a1d9e4 | 15768 | if (INTEL_INFO(dev)->gen >= 4) { |
edc3d884 MK |
15769 | err_printf(m, " SURF: %08x\n", error->plane[i].surface); |
15770 | err_printf(m, " TILEOFF: %08x\n", error->plane[i].tile_offset); | |
c4a1d9e4 CW |
15771 | } |
15772 | ||
edc3d884 MK |
15773 | err_printf(m, "Cursor [%d]:\n", i); |
15774 | err_printf(m, " CNTR: %08x\n", error->cursor[i].control); | |
15775 | err_printf(m, " POS: %08x\n", error->cursor[i].position); | |
15776 | err_printf(m, " BASE: %08x\n", error->cursor[i].base); | |
c4a1d9e4 | 15777 | } |
63b66e5b CW |
15778 | |
15779 | for (i = 0; i < error->num_transcoders; i++) { | |
1cf84bb6 | 15780 | err_printf(m, "CPU transcoder: %c\n", |
63b66e5b | 15781 | transcoder_name(error->transcoder[i].cpu_transcoder)); |
ddf9c536 ID |
15782 | err_printf(m, " Power: %s\n", |
15783 | error->transcoder[i].power_domain_on ? "on" : "off"); | |
63b66e5b CW |
15784 | err_printf(m, " CONF: %08x\n", error->transcoder[i].conf); |
15785 | err_printf(m, " HTOTAL: %08x\n", error->transcoder[i].htotal); | |
15786 | err_printf(m, " HBLANK: %08x\n", error->transcoder[i].hblank); | |
15787 | err_printf(m, " HSYNC: %08x\n", error->transcoder[i].hsync); | |
15788 | err_printf(m, " VTOTAL: %08x\n", error->transcoder[i].vtotal); | |
15789 | err_printf(m, " VBLANK: %08x\n", error->transcoder[i].vblank); | |
15790 | err_printf(m, " VSYNC: %08x\n", error->transcoder[i].vsync); | |
15791 | } | |
c4a1d9e4 | 15792 | } |
e2fcdaa9 VS |
15793 | |
15794 | void intel_modeset_preclose(struct drm_device *dev, struct drm_file *file) | |
15795 | { | |
15796 | struct intel_crtc *crtc; | |
15797 | ||
15798 | for_each_intel_crtc(dev, crtc) { | |
15799 | struct intel_unpin_work *work; | |
e2fcdaa9 | 15800 | |
5e2d7afc | 15801 | spin_lock_irq(&dev->event_lock); |
e2fcdaa9 VS |
15802 | |
15803 | work = crtc->unpin_work; | |
15804 | ||
15805 | if (work && work->event && | |
15806 | work->event->base.file_priv == file) { | |
15807 | kfree(work->event); | |
15808 | work->event = NULL; | |
15809 | } | |
15810 | ||
5e2d7afc | 15811 | spin_unlock_irq(&dev->event_lock); |
e2fcdaa9 VS |
15812 | } |
15813 | } |