]>
Commit | Line | Data |
---|---|---|
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 MR |
48 | /* Primary plane formats supported by all gen */ |
49 | #define COMMON_PRIMARY_FORMATS \ | |
50 | DRM_FORMAT_C8, \ | |
51 | DRM_FORMAT_RGB565, \ | |
52 | DRM_FORMAT_XRGB8888, \ | |
53 | DRM_FORMAT_ARGB8888 | |
54 | ||
55 | /* Primary plane formats for gen <= 3 */ | |
568db4f2 | 56 | static const uint32_t i8xx_primary_formats[] = { |
465c120c MR |
57 | COMMON_PRIMARY_FORMATS, |
58 | DRM_FORMAT_XRGB1555, | |
59 | DRM_FORMAT_ARGB1555, | |
60 | }; | |
61 | ||
62 | /* Primary plane formats for gen >= 4 */ | |
568db4f2 | 63 | static const uint32_t i965_primary_formats[] = { |
465c120c MR |
64 | COMMON_PRIMARY_FORMATS, \ |
65 | DRM_FORMAT_XBGR8888, | |
66 | DRM_FORMAT_ABGR8888, | |
67 | DRM_FORMAT_XRGB2101010, | |
68 | DRM_FORMAT_ARGB2101010, | |
69 | DRM_FORMAT_XBGR2101010, | |
70 | DRM_FORMAT_ABGR2101010, | |
71 | }; | |
72 | ||
3d7d6510 MR |
73 | /* Cursor formats */ |
74 | static const uint32_t intel_cursor_formats[] = { | |
75 | DRM_FORMAT_ARGB8888, | |
76 | }; | |
77 | ||
6b383a7f | 78 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on); |
79e53945 | 79 | |
f1f644dc | 80 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 81 | struct intel_crtc_state *pipe_config); |
18442d08 | 82 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
5cec258b | 83 | struct intel_crtc_state *pipe_config); |
f1f644dc | 84 | |
8c7b5ccb | 85 | static int intel_set_mode(struct drm_crtc *crtc, |
83a57153 | 86 | struct drm_atomic_state *state); |
eb1bfe80 JB |
87 | static int intel_framebuffer_init(struct drm_device *dev, |
88 | struct intel_framebuffer *ifb, | |
89 | struct drm_mode_fb_cmd2 *mode_cmd, | |
90 | struct drm_i915_gem_object *obj); | |
5b18e57c DV |
91 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc); |
92 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc); | |
29407aab | 93 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, |
f769cd24 VK |
94 | struct intel_link_m_n *m_n, |
95 | struct intel_link_m_n *m2_n2); | |
29407aab | 96 | static void ironlake_set_pipeconf(struct drm_crtc *crtc); |
229fca97 DV |
97 | static void haswell_set_pipeconf(struct drm_crtc *crtc); |
98 | static void intel_set_pipe_csc(struct drm_crtc *crtc); | |
d288f65f | 99 | static void vlv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 100 | const struct intel_crtc_state *pipe_config); |
d288f65f | 101 | static void chv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 102 | const struct intel_crtc_state *pipe_config); |
ea2c67bb MR |
103 | static void intel_begin_crtc_commit(struct drm_crtc *crtc); |
104 | static void intel_finish_crtc_commit(struct drm_crtc *crtc); | |
549e2bfb CK |
105 | static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_crtc, |
106 | struct intel_crtc_state *crtc_state); | |
5ab7b0b7 ID |
107 | static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state, |
108 | int num_connectors); | |
ce22dba9 ML |
109 | static void intel_crtc_enable_planes(struct drm_crtc *crtc); |
110 | static void intel_crtc_disable_planes(struct drm_crtc *crtc); | |
e7457a9a | 111 | |
0e32b39c DA |
112 | static struct intel_encoder *intel_find_encoder(struct intel_connector *connector, int pipe) |
113 | { | |
114 | if (!connector->mst_port) | |
115 | return connector->encoder; | |
116 | else | |
117 | return &connector->mst_port->mst_encoders[pipe]->base; | |
118 | } | |
119 | ||
79e53945 | 120 | typedef struct { |
0206e353 | 121 | int min, max; |
79e53945 JB |
122 | } intel_range_t; |
123 | ||
124 | typedef struct { | |
0206e353 AJ |
125 | int dot_limit; |
126 | int p2_slow, p2_fast; | |
79e53945 JB |
127 | } intel_p2_t; |
128 | ||
d4906093 ML |
129 | typedef struct intel_limit intel_limit_t; |
130 | struct intel_limit { | |
0206e353 AJ |
131 | intel_range_t dot, vco, n, m, m1, m2, p, p1; |
132 | intel_p2_t p2; | |
d4906093 | 133 | }; |
79e53945 | 134 | |
d2acd215 DV |
135 | int |
136 | intel_pch_rawclk(struct drm_device *dev) | |
137 | { | |
138 | struct drm_i915_private *dev_priv = dev->dev_private; | |
139 | ||
140 | WARN_ON(!HAS_PCH_SPLIT(dev)); | |
141 | ||
142 | return I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK; | |
143 | } | |
144 | ||
021357ac CW |
145 | static inline u32 /* units of 100MHz */ |
146 | intel_fdi_link_freq(struct drm_device *dev) | |
147 | { | |
8b99e68c CW |
148 | if (IS_GEN5(dev)) { |
149 | struct drm_i915_private *dev_priv = dev->dev_private; | |
150 | return (I915_READ(FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK) + 2; | |
151 | } else | |
152 | return 27; | |
021357ac CW |
153 | } |
154 | ||
5d536e28 | 155 | static const intel_limit_t intel_limits_i8xx_dac = { |
0206e353 | 156 | .dot = { .min = 25000, .max = 350000 }, |
9c333719 | 157 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 158 | .n = { .min = 2, .max = 16 }, |
0206e353 AJ |
159 | .m = { .min = 96, .max = 140 }, |
160 | .m1 = { .min = 18, .max = 26 }, | |
161 | .m2 = { .min = 6, .max = 16 }, | |
162 | .p = { .min = 4, .max = 128 }, | |
163 | .p1 = { .min = 2, .max = 33 }, | |
273e27ca EA |
164 | .p2 = { .dot_limit = 165000, |
165 | .p2_slow = 4, .p2_fast = 2 }, | |
e4b36699 KP |
166 | }; |
167 | ||
5d536e28 DV |
168 | static const intel_limit_t intel_limits_i8xx_dvo = { |
169 | .dot = { .min = 25000, .max = 350000 }, | |
9c333719 | 170 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 171 | .n = { .min = 2, .max = 16 }, |
5d536e28 DV |
172 | .m = { .min = 96, .max = 140 }, |
173 | .m1 = { .min = 18, .max = 26 }, | |
174 | .m2 = { .min = 6, .max = 16 }, | |
175 | .p = { .min = 4, .max = 128 }, | |
176 | .p1 = { .min = 2, .max = 33 }, | |
177 | .p2 = { .dot_limit = 165000, | |
178 | .p2_slow = 4, .p2_fast = 4 }, | |
179 | }; | |
180 | ||
e4b36699 | 181 | static const intel_limit_t intel_limits_i8xx_lvds = { |
0206e353 | 182 | .dot = { .min = 25000, .max = 350000 }, |
9c333719 | 183 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 184 | .n = { .min = 2, .max = 16 }, |
0206e353 AJ |
185 | .m = { .min = 96, .max = 140 }, |
186 | .m1 = { .min = 18, .max = 26 }, | |
187 | .m2 = { .min = 6, .max = 16 }, | |
188 | .p = { .min = 4, .max = 128 }, | |
189 | .p1 = { .min = 1, .max = 6 }, | |
273e27ca EA |
190 | .p2 = { .dot_limit = 165000, |
191 | .p2_slow = 14, .p2_fast = 7 }, | |
e4b36699 | 192 | }; |
273e27ca | 193 | |
e4b36699 | 194 | static const intel_limit_t intel_limits_i9xx_sdvo = { |
0206e353 AJ |
195 | .dot = { .min = 20000, .max = 400000 }, |
196 | .vco = { .min = 1400000, .max = 2800000 }, | |
197 | .n = { .min = 1, .max = 6 }, | |
198 | .m = { .min = 70, .max = 120 }, | |
4f7dfb67 PJ |
199 | .m1 = { .min = 8, .max = 18 }, |
200 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
201 | .p = { .min = 5, .max = 80 }, |
202 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
203 | .p2 = { .dot_limit = 200000, |
204 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
205 | }; |
206 | ||
207 | static const intel_limit_t intel_limits_i9xx_lvds = { | |
0206e353 AJ |
208 | .dot = { .min = 20000, .max = 400000 }, |
209 | .vco = { .min = 1400000, .max = 2800000 }, | |
210 | .n = { .min = 1, .max = 6 }, | |
211 | .m = { .min = 70, .max = 120 }, | |
53a7d2d1 PJ |
212 | .m1 = { .min = 8, .max = 18 }, |
213 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
214 | .p = { .min = 7, .max = 98 }, |
215 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
216 | .p2 = { .dot_limit = 112000, |
217 | .p2_slow = 14, .p2_fast = 7 }, | |
e4b36699 KP |
218 | }; |
219 | ||
273e27ca | 220 | |
e4b36699 | 221 | static const intel_limit_t intel_limits_g4x_sdvo = { |
273e27ca EA |
222 | .dot = { .min = 25000, .max = 270000 }, |
223 | .vco = { .min = 1750000, .max = 3500000}, | |
224 | .n = { .min = 1, .max = 4 }, | |
225 | .m = { .min = 104, .max = 138 }, | |
226 | .m1 = { .min = 17, .max = 23 }, | |
227 | .m2 = { .min = 5, .max = 11 }, | |
228 | .p = { .min = 10, .max = 30 }, | |
229 | .p1 = { .min = 1, .max = 3}, | |
230 | .p2 = { .dot_limit = 270000, | |
231 | .p2_slow = 10, | |
232 | .p2_fast = 10 | |
044c7c41 | 233 | }, |
e4b36699 KP |
234 | }; |
235 | ||
236 | static const intel_limit_t intel_limits_g4x_hdmi = { | |
273e27ca EA |
237 | .dot = { .min = 22000, .max = 400000 }, |
238 | .vco = { .min = 1750000, .max = 3500000}, | |
239 | .n = { .min = 1, .max = 4 }, | |
240 | .m = { .min = 104, .max = 138 }, | |
241 | .m1 = { .min = 16, .max = 23 }, | |
242 | .m2 = { .min = 5, .max = 11 }, | |
243 | .p = { .min = 5, .max = 80 }, | |
244 | .p1 = { .min = 1, .max = 8}, | |
245 | .p2 = { .dot_limit = 165000, | |
246 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
247 | }; |
248 | ||
249 | static const intel_limit_t intel_limits_g4x_single_channel_lvds = { | |
273e27ca EA |
250 | .dot = { .min = 20000, .max = 115000 }, |
251 | .vco = { .min = 1750000, .max = 3500000 }, | |
252 | .n = { .min = 1, .max = 3 }, | |
253 | .m = { .min = 104, .max = 138 }, | |
254 | .m1 = { .min = 17, .max = 23 }, | |
255 | .m2 = { .min = 5, .max = 11 }, | |
256 | .p = { .min = 28, .max = 112 }, | |
257 | .p1 = { .min = 2, .max = 8 }, | |
258 | .p2 = { .dot_limit = 0, | |
259 | .p2_slow = 14, .p2_fast = 14 | |
044c7c41 | 260 | }, |
e4b36699 KP |
261 | }; |
262 | ||
263 | static const intel_limit_t intel_limits_g4x_dual_channel_lvds = { | |
273e27ca EA |
264 | .dot = { .min = 80000, .max = 224000 }, |
265 | .vco = { .min = 1750000, .max = 3500000 }, | |
266 | .n = { .min = 1, .max = 3 }, | |
267 | .m = { .min = 104, .max = 138 }, | |
268 | .m1 = { .min = 17, .max = 23 }, | |
269 | .m2 = { .min = 5, .max = 11 }, | |
270 | .p = { .min = 14, .max = 42 }, | |
271 | .p1 = { .min = 2, .max = 6 }, | |
272 | .p2 = { .dot_limit = 0, | |
273 | .p2_slow = 7, .p2_fast = 7 | |
044c7c41 | 274 | }, |
e4b36699 KP |
275 | }; |
276 | ||
f2b115e6 | 277 | static const intel_limit_t intel_limits_pineview_sdvo = { |
0206e353 AJ |
278 | .dot = { .min = 20000, .max = 400000}, |
279 | .vco = { .min = 1700000, .max = 3500000 }, | |
273e27ca | 280 | /* Pineview's Ncounter is a ring counter */ |
0206e353 AJ |
281 | .n = { .min = 3, .max = 6 }, |
282 | .m = { .min = 2, .max = 256 }, | |
273e27ca | 283 | /* Pineview only has one combined m divider, which we treat as m2. */ |
0206e353 AJ |
284 | .m1 = { .min = 0, .max = 0 }, |
285 | .m2 = { .min = 0, .max = 254 }, | |
286 | .p = { .min = 5, .max = 80 }, | |
287 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
288 | .p2 = { .dot_limit = 200000, |
289 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
290 | }; |
291 | ||
f2b115e6 | 292 | static const intel_limit_t intel_limits_pineview_lvds = { |
0206e353 AJ |
293 | .dot = { .min = 20000, .max = 400000 }, |
294 | .vco = { .min = 1700000, .max = 3500000 }, | |
295 | .n = { .min = 3, .max = 6 }, | |
296 | .m = { .min = 2, .max = 256 }, | |
297 | .m1 = { .min = 0, .max = 0 }, | |
298 | .m2 = { .min = 0, .max = 254 }, | |
299 | .p = { .min = 7, .max = 112 }, | |
300 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
301 | .p2 = { .dot_limit = 112000, |
302 | .p2_slow = 14, .p2_fast = 14 }, | |
e4b36699 KP |
303 | }; |
304 | ||
273e27ca EA |
305 | /* Ironlake / Sandybridge |
306 | * | |
307 | * We calculate clock using (register_value + 2) for N/M1/M2, so here | |
308 | * the range value for them is (actual_value - 2). | |
309 | */ | |
b91ad0ec | 310 | static const intel_limit_t intel_limits_ironlake_dac = { |
273e27ca EA |
311 | .dot = { .min = 25000, .max = 350000 }, |
312 | .vco = { .min = 1760000, .max = 3510000 }, | |
313 | .n = { .min = 1, .max = 5 }, | |
314 | .m = { .min = 79, .max = 127 }, | |
315 | .m1 = { .min = 12, .max = 22 }, | |
316 | .m2 = { .min = 5, .max = 9 }, | |
317 | .p = { .min = 5, .max = 80 }, | |
318 | .p1 = { .min = 1, .max = 8 }, | |
319 | .p2 = { .dot_limit = 225000, | |
320 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
321 | }; |
322 | ||
b91ad0ec | 323 | static const intel_limit_t intel_limits_ironlake_single_lvds = { |
273e27ca EA |
324 | .dot = { .min = 25000, .max = 350000 }, |
325 | .vco = { .min = 1760000, .max = 3510000 }, | |
326 | .n = { .min = 1, .max = 3 }, | |
327 | .m = { .min = 79, .max = 118 }, | |
328 | .m1 = { .min = 12, .max = 22 }, | |
329 | .m2 = { .min = 5, .max = 9 }, | |
330 | .p = { .min = 28, .max = 112 }, | |
331 | .p1 = { .min = 2, .max = 8 }, | |
332 | .p2 = { .dot_limit = 225000, | |
333 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
334 | }; |
335 | ||
336 | static const intel_limit_t intel_limits_ironlake_dual_lvds = { | |
273e27ca EA |
337 | .dot = { .min = 25000, .max = 350000 }, |
338 | .vco = { .min = 1760000, .max = 3510000 }, | |
339 | .n = { .min = 1, .max = 3 }, | |
340 | .m = { .min = 79, .max = 127 }, | |
341 | .m1 = { .min = 12, .max = 22 }, | |
342 | .m2 = { .min = 5, .max = 9 }, | |
343 | .p = { .min = 14, .max = 56 }, | |
344 | .p1 = { .min = 2, .max = 8 }, | |
345 | .p2 = { .dot_limit = 225000, | |
346 | .p2_slow = 7, .p2_fast = 7 }, | |
b91ad0ec ZW |
347 | }; |
348 | ||
273e27ca | 349 | /* LVDS 100mhz refclk limits. */ |
b91ad0ec | 350 | static const intel_limit_t intel_limits_ironlake_single_lvds_100m = { |
273e27ca EA |
351 | .dot = { .min = 25000, .max = 350000 }, |
352 | .vco = { .min = 1760000, .max = 3510000 }, | |
353 | .n = { .min = 1, .max = 2 }, | |
354 | .m = { .min = 79, .max = 126 }, | |
355 | .m1 = { .min = 12, .max = 22 }, | |
356 | .m2 = { .min = 5, .max = 9 }, | |
357 | .p = { .min = 28, .max = 112 }, | |
0206e353 | 358 | .p1 = { .min = 2, .max = 8 }, |
273e27ca EA |
359 | .p2 = { .dot_limit = 225000, |
360 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
361 | }; |
362 | ||
363 | static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = { | |
273e27ca EA |
364 | .dot = { .min = 25000, .max = 350000 }, |
365 | .vco = { .min = 1760000, .max = 3510000 }, | |
366 | .n = { .min = 1, .max = 3 }, | |
367 | .m = { .min = 79, .max = 126 }, | |
368 | .m1 = { .min = 12, .max = 22 }, | |
369 | .m2 = { .min = 5, .max = 9 }, | |
370 | .p = { .min = 14, .max = 42 }, | |
0206e353 | 371 | .p1 = { .min = 2, .max = 6 }, |
273e27ca EA |
372 | .p2 = { .dot_limit = 225000, |
373 | .p2_slow = 7, .p2_fast = 7 }, | |
4547668a ZY |
374 | }; |
375 | ||
dc730512 | 376 | static const intel_limit_t intel_limits_vlv = { |
f01b7962 VS |
377 | /* |
378 | * These are the data rate limits (measured in fast clocks) | |
379 | * since those are the strictest limits we have. The fast | |
380 | * clock and actual rate limits are more relaxed, so checking | |
381 | * them would make no difference. | |
382 | */ | |
383 | .dot = { .min = 25000 * 5, .max = 270000 * 5 }, | |
75e53986 | 384 | .vco = { .min = 4000000, .max = 6000000 }, |
a0c4da24 | 385 | .n = { .min = 1, .max = 7 }, |
a0c4da24 JB |
386 | .m1 = { .min = 2, .max = 3 }, |
387 | .m2 = { .min = 11, .max = 156 }, | |
b99ab663 | 388 | .p1 = { .min = 2, .max = 3 }, |
5fdc9c49 | 389 | .p2 = { .p2_slow = 2, .p2_fast = 20 }, /* slow=min, fast=max */ |
a0c4da24 JB |
390 | }; |
391 | ||
ef9348c8 CML |
392 | static const intel_limit_t intel_limits_chv = { |
393 | /* | |
394 | * These are the data rate limits (measured in fast clocks) | |
395 | * since those are the strictest limits we have. The fast | |
396 | * clock and actual rate limits are more relaxed, so checking | |
397 | * them would make no difference. | |
398 | */ | |
399 | .dot = { .min = 25000 * 5, .max = 540000 * 5}, | |
17fe1021 | 400 | .vco = { .min = 4800000, .max = 6480000 }, |
ef9348c8 CML |
401 | .n = { .min = 1, .max = 1 }, |
402 | .m1 = { .min = 2, .max = 2 }, | |
403 | .m2 = { .min = 24 << 22, .max = 175 << 22 }, | |
404 | .p1 = { .min = 2, .max = 4 }, | |
405 | .p2 = { .p2_slow = 1, .p2_fast = 14 }, | |
406 | }; | |
407 | ||
5ab7b0b7 ID |
408 | static const intel_limit_t intel_limits_bxt = { |
409 | /* FIXME: find real dot limits */ | |
410 | .dot = { .min = 0, .max = INT_MAX }, | |
411 | .vco = { .min = 4800000, .max = 6480000 }, | |
412 | .n = { .min = 1, .max = 1 }, | |
413 | .m1 = { .min = 2, .max = 2 }, | |
414 | /* FIXME: find real m2 limits */ | |
415 | .m2 = { .min = 2 << 22, .max = 255 << 22 }, | |
416 | .p1 = { .min = 2, .max = 4 }, | |
417 | .p2 = { .p2_slow = 1, .p2_fast = 20 }, | |
418 | }; | |
419 | ||
6b4bf1c4 VS |
420 | static void vlv_clock(int refclk, intel_clock_t *clock) |
421 | { | |
422 | clock->m = clock->m1 * clock->m2; | |
423 | clock->p = clock->p1 * clock->p2; | |
ed5ca77e VS |
424 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
425 | return; | |
fb03ac01 VS |
426 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
427 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
6b4bf1c4 VS |
428 | } |
429 | ||
e0638cdf PZ |
430 | /** |
431 | * Returns whether any output on the specified pipe is of the specified type | |
432 | */ | |
4093561b | 433 | bool intel_pipe_has_type(struct intel_crtc *crtc, enum intel_output_type type) |
e0638cdf | 434 | { |
409ee761 | 435 | struct drm_device *dev = crtc->base.dev; |
e0638cdf PZ |
436 | struct intel_encoder *encoder; |
437 | ||
409ee761 | 438 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) |
e0638cdf PZ |
439 | if (encoder->type == type) |
440 | return true; | |
441 | ||
442 | return false; | |
443 | } | |
444 | ||
d0737e1d ACO |
445 | /** |
446 | * Returns whether any output on the specified pipe will have the specified | |
447 | * type after a staged modeset is complete, i.e., the same as | |
448 | * intel_pipe_has_type() but looking at encoder->new_crtc instead of | |
449 | * encoder->crtc. | |
450 | */ | |
a93e255f ACO |
451 | static bool intel_pipe_will_have_type(const struct intel_crtc_state *crtc_state, |
452 | int type) | |
d0737e1d | 453 | { |
a93e255f | 454 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 455 | struct drm_connector *connector; |
a93e255f | 456 | struct drm_connector_state *connector_state; |
d0737e1d | 457 | struct intel_encoder *encoder; |
a93e255f ACO |
458 | int i, num_connectors = 0; |
459 | ||
da3ced29 | 460 | for_each_connector_in_state(state, connector, connector_state, i) { |
a93e255f ACO |
461 | if (connector_state->crtc != crtc_state->base.crtc) |
462 | continue; | |
463 | ||
464 | num_connectors++; | |
d0737e1d | 465 | |
a93e255f ACO |
466 | encoder = to_intel_encoder(connector_state->best_encoder); |
467 | if (encoder->type == type) | |
d0737e1d | 468 | return true; |
a93e255f ACO |
469 | } |
470 | ||
471 | WARN_ON(num_connectors == 0); | |
d0737e1d ACO |
472 | |
473 | return false; | |
474 | } | |
475 | ||
a93e255f ACO |
476 | static const intel_limit_t * |
477 | intel_ironlake_limit(struct intel_crtc_state *crtc_state, int refclk) | |
2c07245f | 478 | { |
a93e255f | 479 | struct drm_device *dev = crtc_state->base.crtc->dev; |
2c07245f | 480 | const intel_limit_t *limit; |
b91ad0ec | 481 | |
a93e255f | 482 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
1974cad0 | 483 | if (intel_is_dual_link_lvds(dev)) { |
1b894b59 | 484 | if (refclk == 100000) |
b91ad0ec ZW |
485 | limit = &intel_limits_ironlake_dual_lvds_100m; |
486 | else | |
487 | limit = &intel_limits_ironlake_dual_lvds; | |
488 | } else { | |
1b894b59 | 489 | if (refclk == 100000) |
b91ad0ec ZW |
490 | limit = &intel_limits_ironlake_single_lvds_100m; |
491 | else | |
492 | limit = &intel_limits_ironlake_single_lvds; | |
493 | } | |
c6bb3538 | 494 | } else |
b91ad0ec | 495 | limit = &intel_limits_ironlake_dac; |
2c07245f ZW |
496 | |
497 | return limit; | |
498 | } | |
499 | ||
a93e255f ACO |
500 | static const intel_limit_t * |
501 | intel_g4x_limit(struct intel_crtc_state *crtc_state) | |
044c7c41 | 502 | { |
a93e255f | 503 | struct drm_device *dev = crtc_state->base.crtc->dev; |
044c7c41 ML |
504 | const intel_limit_t *limit; |
505 | ||
a93e255f | 506 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
1974cad0 | 507 | if (intel_is_dual_link_lvds(dev)) |
e4b36699 | 508 | limit = &intel_limits_g4x_dual_channel_lvds; |
044c7c41 | 509 | else |
e4b36699 | 510 | limit = &intel_limits_g4x_single_channel_lvds; |
a93e255f ACO |
511 | } else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_HDMI) || |
512 | intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_ANALOG)) { | |
e4b36699 | 513 | limit = &intel_limits_g4x_hdmi; |
a93e255f | 514 | } else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_SDVO)) { |
e4b36699 | 515 | limit = &intel_limits_g4x_sdvo; |
044c7c41 | 516 | } else /* The option is for other outputs */ |
e4b36699 | 517 | limit = &intel_limits_i9xx_sdvo; |
044c7c41 ML |
518 | |
519 | return limit; | |
520 | } | |
521 | ||
a93e255f ACO |
522 | static const intel_limit_t * |
523 | intel_limit(struct intel_crtc_state *crtc_state, int refclk) | |
79e53945 | 524 | { |
a93e255f | 525 | struct drm_device *dev = crtc_state->base.crtc->dev; |
79e53945 JB |
526 | const intel_limit_t *limit; |
527 | ||
5ab7b0b7 ID |
528 | if (IS_BROXTON(dev)) |
529 | limit = &intel_limits_bxt; | |
530 | else if (HAS_PCH_SPLIT(dev)) | |
a93e255f | 531 | limit = intel_ironlake_limit(crtc_state, refclk); |
2c07245f | 532 | else if (IS_G4X(dev)) { |
a93e255f | 533 | limit = intel_g4x_limit(crtc_state); |
f2b115e6 | 534 | } else if (IS_PINEVIEW(dev)) { |
a93e255f | 535 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
f2b115e6 | 536 | limit = &intel_limits_pineview_lvds; |
2177832f | 537 | else |
f2b115e6 | 538 | limit = &intel_limits_pineview_sdvo; |
ef9348c8 CML |
539 | } else if (IS_CHERRYVIEW(dev)) { |
540 | limit = &intel_limits_chv; | |
a0c4da24 | 541 | } else if (IS_VALLEYVIEW(dev)) { |
dc730512 | 542 | limit = &intel_limits_vlv; |
a6c45cf0 | 543 | } else if (!IS_GEN2(dev)) { |
a93e255f | 544 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
a6c45cf0 CW |
545 | limit = &intel_limits_i9xx_lvds; |
546 | else | |
547 | limit = &intel_limits_i9xx_sdvo; | |
79e53945 | 548 | } else { |
a93e255f | 549 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
e4b36699 | 550 | limit = &intel_limits_i8xx_lvds; |
a93e255f | 551 | else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_DVO)) |
e4b36699 | 552 | limit = &intel_limits_i8xx_dvo; |
5d536e28 DV |
553 | else |
554 | limit = &intel_limits_i8xx_dac; | |
79e53945 JB |
555 | } |
556 | return limit; | |
557 | } | |
558 | ||
f2b115e6 AJ |
559 | /* m1 is reserved as 0 in Pineview, n is a ring counter */ |
560 | static void pineview_clock(int refclk, intel_clock_t *clock) | |
79e53945 | 561 | { |
2177832f SL |
562 | clock->m = clock->m2 + 2; |
563 | clock->p = clock->p1 * clock->p2; | |
ed5ca77e VS |
564 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
565 | return; | |
fb03ac01 VS |
566 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
567 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
2177832f SL |
568 | } |
569 | ||
7429e9d4 DV |
570 | static uint32_t i9xx_dpll_compute_m(struct dpll *dpll) |
571 | { | |
572 | return 5 * (dpll->m1 + 2) + (dpll->m2 + 2); | |
573 | } | |
574 | ||
ac58c3f0 | 575 | static void i9xx_clock(int refclk, intel_clock_t *clock) |
2177832f | 576 | { |
7429e9d4 | 577 | clock->m = i9xx_dpll_compute_m(clock); |
79e53945 | 578 | clock->p = clock->p1 * clock->p2; |
ed5ca77e VS |
579 | if (WARN_ON(clock->n + 2 == 0 || clock->p == 0)) |
580 | return; | |
fb03ac01 VS |
581 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n + 2); |
582 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
79e53945 JB |
583 | } |
584 | ||
ef9348c8 CML |
585 | static void chv_clock(int refclk, intel_clock_t *clock) |
586 | { | |
587 | clock->m = clock->m1 * clock->m2; | |
588 | clock->p = clock->p1 * clock->p2; | |
589 | if (WARN_ON(clock->n == 0 || clock->p == 0)) | |
590 | return; | |
591 | clock->vco = DIV_ROUND_CLOSEST_ULL((uint64_t)refclk * clock->m, | |
592 | clock->n << 22); | |
593 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
594 | } | |
595 | ||
7c04d1d9 | 596 | #define INTELPllInvalid(s) do { /* DRM_DEBUG(s); */ return false; } while (0) |
79e53945 JB |
597 | /** |
598 | * Returns whether the given set of divisors are valid for a given refclk with | |
599 | * the given connectors. | |
600 | */ | |
601 | ||
1b894b59 CW |
602 | static bool intel_PLL_is_valid(struct drm_device *dev, |
603 | const intel_limit_t *limit, | |
604 | const intel_clock_t *clock) | |
79e53945 | 605 | { |
f01b7962 VS |
606 | if (clock->n < limit->n.min || limit->n.max < clock->n) |
607 | INTELPllInvalid("n out of range\n"); | |
79e53945 | 608 | if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1) |
0206e353 | 609 | INTELPllInvalid("p1 out of range\n"); |
79e53945 | 610 | if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2) |
0206e353 | 611 | INTELPllInvalid("m2 out of range\n"); |
79e53945 | 612 | if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1) |
0206e353 | 613 | INTELPllInvalid("m1 out of range\n"); |
f01b7962 | 614 | |
5ab7b0b7 | 615 | if (!IS_PINEVIEW(dev) && !IS_VALLEYVIEW(dev) && !IS_BROXTON(dev)) |
f01b7962 VS |
616 | if (clock->m1 <= clock->m2) |
617 | INTELPllInvalid("m1 <= m2\n"); | |
618 | ||
5ab7b0b7 | 619 | if (!IS_VALLEYVIEW(dev) && !IS_BROXTON(dev)) { |
f01b7962 VS |
620 | if (clock->p < limit->p.min || limit->p.max < clock->p) |
621 | INTELPllInvalid("p out of range\n"); | |
622 | if (clock->m < limit->m.min || limit->m.max < clock->m) | |
623 | INTELPllInvalid("m out of range\n"); | |
624 | } | |
625 | ||
79e53945 | 626 | if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) |
0206e353 | 627 | INTELPllInvalid("vco out of range\n"); |
79e53945 JB |
628 | /* XXX: We may need to be checking "Dot clock" depending on the multiplier, |
629 | * connector, etc., rather than just a single range. | |
630 | */ | |
631 | if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) | |
0206e353 | 632 | INTELPllInvalid("dot out of range\n"); |
79e53945 JB |
633 | |
634 | return true; | |
635 | } | |
636 | ||
d4906093 | 637 | static bool |
a93e255f ACO |
638 | i9xx_find_best_dpll(const intel_limit_t *limit, |
639 | struct intel_crtc_state *crtc_state, | |
cec2f356 SP |
640 | int target, int refclk, intel_clock_t *match_clock, |
641 | intel_clock_t *best_clock) | |
79e53945 | 642 | { |
a93e255f | 643 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 644 | struct drm_device *dev = crtc->base.dev; |
79e53945 | 645 | intel_clock_t clock; |
79e53945 JB |
646 | int err = target; |
647 | ||
a93e255f | 648 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
79e53945 | 649 | /* |
a210b028 DV |
650 | * For LVDS just rely on its current settings for dual-channel. |
651 | * We haven't figured out how to reliably set up different | |
652 | * single/dual channel state, if we even can. | |
79e53945 | 653 | */ |
1974cad0 | 654 | if (intel_is_dual_link_lvds(dev)) |
79e53945 JB |
655 | clock.p2 = limit->p2.p2_fast; |
656 | else | |
657 | clock.p2 = limit->p2.p2_slow; | |
658 | } else { | |
659 | if (target < limit->p2.dot_limit) | |
660 | clock.p2 = limit->p2.p2_slow; | |
661 | else | |
662 | clock.p2 = limit->p2.p2_fast; | |
663 | } | |
664 | ||
0206e353 | 665 | memset(best_clock, 0, sizeof(*best_clock)); |
79e53945 | 666 | |
42158660 ZY |
667 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
668 | clock.m1++) { | |
669 | for (clock.m2 = limit->m2.min; | |
670 | clock.m2 <= limit->m2.max; clock.m2++) { | |
c0efc387 | 671 | if (clock.m2 >= clock.m1) |
42158660 ZY |
672 | break; |
673 | for (clock.n = limit->n.min; | |
674 | clock.n <= limit->n.max; clock.n++) { | |
675 | for (clock.p1 = limit->p1.min; | |
676 | clock.p1 <= limit->p1.max; clock.p1++) { | |
79e53945 JB |
677 | int this_err; |
678 | ||
ac58c3f0 DV |
679 | i9xx_clock(refclk, &clock); |
680 | if (!intel_PLL_is_valid(dev, limit, | |
681 | &clock)) | |
682 | continue; | |
683 | if (match_clock && | |
684 | clock.p != match_clock->p) | |
685 | continue; | |
686 | ||
687 | this_err = abs(clock.dot - target); | |
688 | if (this_err < err) { | |
689 | *best_clock = clock; | |
690 | err = this_err; | |
691 | } | |
692 | } | |
693 | } | |
694 | } | |
695 | } | |
696 | ||
697 | return (err != target); | |
698 | } | |
699 | ||
700 | static bool | |
a93e255f ACO |
701 | pnv_find_best_dpll(const intel_limit_t *limit, |
702 | struct intel_crtc_state *crtc_state, | |
ee9300bb DV |
703 | int target, int refclk, intel_clock_t *match_clock, |
704 | intel_clock_t *best_clock) | |
79e53945 | 705 | { |
a93e255f | 706 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 707 | struct drm_device *dev = crtc->base.dev; |
79e53945 | 708 | intel_clock_t clock; |
79e53945 JB |
709 | int err = target; |
710 | ||
a93e255f | 711 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
79e53945 | 712 | /* |
a210b028 DV |
713 | * For LVDS just rely on its current settings for dual-channel. |
714 | * We haven't figured out how to reliably set up different | |
715 | * single/dual channel state, if we even can. | |
79e53945 | 716 | */ |
1974cad0 | 717 | if (intel_is_dual_link_lvds(dev)) |
79e53945 JB |
718 | clock.p2 = limit->p2.p2_fast; |
719 | else | |
720 | clock.p2 = limit->p2.p2_slow; | |
721 | } else { | |
722 | if (target < limit->p2.dot_limit) | |
723 | clock.p2 = limit->p2.p2_slow; | |
724 | else | |
725 | clock.p2 = limit->p2.p2_fast; | |
726 | } | |
727 | ||
0206e353 | 728 | memset(best_clock, 0, sizeof(*best_clock)); |
79e53945 | 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 | { |
a93e255f | 767 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 768 | struct drm_device *dev = crtc->base.dev; |
d4906093 ML |
769 | intel_clock_t clock; |
770 | int max_n; | |
771 | bool found; | |
6ba770dc AJ |
772 | /* approximately equals target * 0.00585 */ |
773 | int err_most = (target >> 8) + (target >> 9); | |
d4906093 ML |
774 | found = false; |
775 | ||
a93e255f | 776 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
1974cad0 | 777 | if (intel_is_dual_link_lvds(dev)) |
d4906093 ML |
778 | clock.p2 = limit->p2.p2_fast; |
779 | else | |
780 | clock.p2 = limit->p2.p2_slow; | |
781 | } else { | |
782 | if (target < limit->p2.dot_limit) | |
783 | clock.p2 = limit->p2.p2_slow; | |
784 | else | |
785 | clock.p2 = limit->p2.p2_fast; | |
786 | } | |
787 | ||
788 | memset(best_clock, 0, sizeof(*best_clock)); | |
789 | max_n = limit->n.max; | |
f77f13e2 | 790 | /* based on hardware requirement, prefer smaller n to precision */ |
d4906093 | 791 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
f77f13e2 | 792 | /* based on hardware requirement, prefere larger m1,m2 */ |
d4906093 ML |
793 | for (clock.m1 = limit->m1.max; |
794 | clock.m1 >= limit->m1.min; clock.m1--) { | |
795 | for (clock.m2 = limit->m2.max; | |
796 | clock.m2 >= limit->m2.min; clock.m2--) { | |
797 | for (clock.p1 = limit->p1.max; | |
798 | clock.p1 >= limit->p1.min; clock.p1--) { | |
799 | int this_err; | |
800 | ||
ac58c3f0 | 801 | i9xx_clock(refclk, &clock); |
1b894b59 CW |
802 | if (!intel_PLL_is_valid(dev, limit, |
803 | &clock)) | |
d4906093 | 804 | continue; |
1b894b59 CW |
805 | |
806 | this_err = abs(clock.dot - target); | |
d4906093 ML |
807 | if (this_err < err_most) { |
808 | *best_clock = clock; | |
809 | err_most = this_err; | |
810 | max_n = clock.n; | |
811 | found = true; | |
812 | } | |
813 | } | |
814 | } | |
815 | } | |
816 | } | |
2c07245f ZW |
817 | return found; |
818 | } | |
819 | ||
d5dd62bd ID |
820 | /* |
821 | * Check if the calculated PLL configuration is more optimal compared to the | |
822 | * best configuration and error found so far. Return the calculated error. | |
823 | */ | |
824 | static bool vlv_PLL_is_optimal(struct drm_device *dev, int target_freq, | |
825 | const intel_clock_t *calculated_clock, | |
826 | const intel_clock_t *best_clock, | |
827 | unsigned int best_error_ppm, | |
828 | unsigned int *error_ppm) | |
829 | { | |
9ca3ba01 ID |
830 | /* |
831 | * For CHV ignore the error and consider only the P value. | |
832 | * Prefer a bigger P value based on HW requirements. | |
833 | */ | |
834 | if (IS_CHERRYVIEW(dev)) { | |
835 | *error_ppm = 0; | |
836 | ||
837 | return calculated_clock->p > best_clock->p; | |
838 | } | |
839 | ||
24be4e46 ID |
840 | if (WARN_ON_ONCE(!target_freq)) |
841 | return false; | |
842 | ||
d5dd62bd ID |
843 | *error_ppm = div_u64(1000000ULL * |
844 | abs(target_freq - calculated_clock->dot), | |
845 | target_freq); | |
846 | /* | |
847 | * Prefer a better P value over a better (smaller) error if the error | |
848 | * is small. Ensure this preference for future configurations too by | |
849 | * setting the error to 0. | |
850 | */ | |
851 | if (*error_ppm < 100 && calculated_clock->p > best_clock->p) { | |
852 | *error_ppm = 0; | |
853 | ||
854 | return true; | |
855 | } | |
856 | ||
857 | return *error_ppm + 10 < best_error_ppm; | |
858 | } | |
859 | ||
a0c4da24 | 860 | static bool |
a93e255f ACO |
861 | vlv_find_best_dpll(const intel_limit_t *limit, |
862 | struct intel_crtc_state *crtc_state, | |
ee9300bb DV |
863 | int target, int refclk, intel_clock_t *match_clock, |
864 | intel_clock_t *best_clock) | |
a0c4da24 | 865 | { |
a93e255f | 866 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 867 | struct drm_device *dev = crtc->base.dev; |
6b4bf1c4 | 868 | intel_clock_t clock; |
69e4f900 | 869 | unsigned int bestppm = 1000000; |
27e639bf VS |
870 | /* min update 19.2 MHz */ |
871 | int max_n = min(limit->n.max, refclk / 19200); | |
49e497ef | 872 | bool found = false; |
a0c4da24 | 873 | |
6b4bf1c4 VS |
874 | target *= 5; /* fast clock */ |
875 | ||
876 | memset(best_clock, 0, sizeof(*best_clock)); | |
a0c4da24 JB |
877 | |
878 | /* based on hardware requirement, prefer smaller n to precision */ | |
27e639bf | 879 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
811bbf05 | 880 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { |
889059d8 | 881 | for (clock.p2 = limit->p2.p2_fast; clock.p2 >= limit->p2.p2_slow; |
c1a9ae43 | 882 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { |
6b4bf1c4 | 883 | clock.p = clock.p1 * clock.p2; |
a0c4da24 | 884 | /* based on hardware requirement, prefer bigger m1,m2 values */ |
6b4bf1c4 | 885 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) { |
d5dd62bd | 886 | unsigned int ppm; |
69e4f900 | 887 | |
6b4bf1c4 VS |
888 | clock.m2 = DIV_ROUND_CLOSEST(target * clock.p * clock.n, |
889 | refclk * clock.m1); | |
890 | ||
891 | vlv_clock(refclk, &clock); | |
43b0ac53 | 892 | |
f01b7962 VS |
893 | if (!intel_PLL_is_valid(dev, limit, |
894 | &clock)) | |
43b0ac53 VS |
895 | continue; |
896 | ||
d5dd62bd ID |
897 | if (!vlv_PLL_is_optimal(dev, target, |
898 | &clock, | |
899 | best_clock, | |
900 | bestppm, &ppm)) | |
901 | continue; | |
6b4bf1c4 | 902 | |
d5dd62bd ID |
903 | *best_clock = clock; |
904 | bestppm = ppm; | |
905 | found = true; | |
a0c4da24 JB |
906 | } |
907 | } | |
908 | } | |
909 | } | |
a0c4da24 | 910 | |
49e497ef | 911 | return found; |
a0c4da24 | 912 | } |
a4fc5ed6 | 913 | |
ef9348c8 | 914 | static bool |
a93e255f ACO |
915 | chv_find_best_dpll(const intel_limit_t *limit, |
916 | struct intel_crtc_state *crtc_state, | |
ef9348c8 CML |
917 | int target, int refclk, intel_clock_t *match_clock, |
918 | intel_clock_t *best_clock) | |
919 | { | |
a93e255f | 920 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 921 | struct drm_device *dev = crtc->base.dev; |
9ca3ba01 | 922 | unsigned int best_error_ppm; |
ef9348c8 CML |
923 | intel_clock_t clock; |
924 | uint64_t m2; | |
925 | int found = false; | |
926 | ||
927 | memset(best_clock, 0, sizeof(*best_clock)); | |
9ca3ba01 | 928 | best_error_ppm = 1000000; |
ef9348c8 CML |
929 | |
930 | /* | |
931 | * Based on hardware doc, the n always set to 1, and m1 always | |
932 | * set to 2. If requires to support 200Mhz refclk, we need to | |
933 | * revisit this because n may not 1 anymore. | |
934 | */ | |
935 | clock.n = 1, clock.m1 = 2; | |
936 | target *= 5; /* fast clock */ | |
937 | ||
938 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { | |
939 | for (clock.p2 = limit->p2.p2_fast; | |
940 | clock.p2 >= limit->p2.p2_slow; | |
941 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { | |
9ca3ba01 | 942 | unsigned int error_ppm; |
ef9348c8 CML |
943 | |
944 | clock.p = clock.p1 * clock.p2; | |
945 | ||
946 | m2 = DIV_ROUND_CLOSEST_ULL(((uint64_t)target * clock.p * | |
947 | clock.n) << 22, refclk * clock.m1); | |
948 | ||
949 | if (m2 > INT_MAX/clock.m1) | |
950 | continue; | |
951 | ||
952 | clock.m2 = m2; | |
953 | ||
954 | chv_clock(refclk, &clock); | |
955 | ||
956 | if (!intel_PLL_is_valid(dev, limit, &clock)) | |
957 | continue; | |
958 | ||
9ca3ba01 ID |
959 | if (!vlv_PLL_is_optimal(dev, target, &clock, best_clock, |
960 | best_error_ppm, &error_ppm)) | |
961 | continue; | |
962 | ||
963 | *best_clock = clock; | |
964 | best_error_ppm = error_ppm; | |
965 | found = true; | |
ef9348c8 CML |
966 | } |
967 | } | |
968 | ||
969 | return found; | |
970 | } | |
971 | ||
5ab7b0b7 ID |
972 | bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, int target_clock, |
973 | intel_clock_t *best_clock) | |
974 | { | |
975 | int refclk = i9xx_get_refclk(crtc_state, 0); | |
976 | ||
977 | return chv_find_best_dpll(intel_limit(crtc_state, refclk), crtc_state, | |
978 | target_clock, refclk, NULL, best_clock); | |
979 | } | |
980 | ||
20ddf665 VS |
981 | bool intel_crtc_active(struct drm_crtc *crtc) |
982 | { | |
983 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
984 | ||
985 | /* Be paranoid as we can arrive here with only partial | |
986 | * state retrieved from the hardware during setup. | |
987 | * | |
241bfc38 | 988 | * We can ditch the adjusted_mode.crtc_clock check as soon |
20ddf665 VS |
989 | * as Haswell has gained clock readout/fastboot support. |
990 | * | |
66e514c1 | 991 | * We can ditch the crtc->primary->fb check as soon as we can |
20ddf665 | 992 | * properly reconstruct framebuffers. |
c3d1f436 MR |
993 | * |
994 | * FIXME: The intel_crtc->active here should be switched to | |
995 | * crtc->state->active once we have proper CRTC states wired up | |
996 | * for atomic. | |
20ddf665 | 997 | */ |
c3d1f436 | 998 | return intel_crtc->active && crtc->primary->state->fb && |
6e3c9717 | 999 | intel_crtc->config->base.adjusted_mode.crtc_clock; |
20ddf665 VS |
1000 | } |
1001 | ||
a5c961d1 PZ |
1002 | enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv, |
1003 | enum pipe pipe) | |
1004 | { | |
1005 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
1006 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1007 | ||
6e3c9717 | 1008 | return intel_crtc->config->cpu_transcoder; |
a5c961d1 PZ |
1009 | } |
1010 | ||
fbf49ea2 VS |
1011 | static bool pipe_dsl_stopped(struct drm_device *dev, enum pipe pipe) |
1012 | { | |
1013 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1014 | u32 reg = PIPEDSL(pipe); | |
1015 | u32 line1, line2; | |
1016 | u32 line_mask; | |
1017 | ||
1018 | if (IS_GEN2(dev)) | |
1019 | line_mask = DSL_LINEMASK_GEN2; | |
1020 | else | |
1021 | line_mask = DSL_LINEMASK_GEN3; | |
1022 | ||
1023 | line1 = I915_READ(reg) & line_mask; | |
1024 | mdelay(5); | |
1025 | line2 = I915_READ(reg) & line_mask; | |
1026 | ||
1027 | return line1 == line2; | |
1028 | } | |
1029 | ||
ab7ad7f6 KP |
1030 | /* |
1031 | * intel_wait_for_pipe_off - wait for pipe to turn off | |
575f7ab7 | 1032 | * @crtc: crtc whose pipe to wait for |
9d0498a2 JB |
1033 | * |
1034 | * After disabling a pipe, we can't wait for vblank in the usual way, | |
1035 | * spinning on the vblank interrupt status bit, since we won't actually | |
1036 | * see an interrupt when the pipe is disabled. | |
1037 | * | |
ab7ad7f6 KP |
1038 | * On Gen4 and above: |
1039 | * wait for the pipe register state bit to turn off | |
1040 | * | |
1041 | * Otherwise: | |
1042 | * wait for the display line value to settle (it usually | |
1043 | * ends up stopping at the start of the next frame). | |
58e10eb9 | 1044 | * |
9d0498a2 | 1045 | */ |
575f7ab7 | 1046 | static void intel_wait_for_pipe_off(struct intel_crtc *crtc) |
9d0498a2 | 1047 | { |
575f7ab7 | 1048 | struct drm_device *dev = crtc->base.dev; |
9d0498a2 | 1049 | struct drm_i915_private *dev_priv = dev->dev_private; |
6e3c9717 | 1050 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
575f7ab7 | 1051 | enum pipe pipe = crtc->pipe; |
ab7ad7f6 KP |
1052 | |
1053 | if (INTEL_INFO(dev)->gen >= 4) { | |
702e7a56 | 1054 | int reg = PIPECONF(cpu_transcoder); |
ab7ad7f6 KP |
1055 | |
1056 | /* Wait for the Pipe State to go off */ | |
58e10eb9 CW |
1057 | if (wait_for((I915_READ(reg) & I965_PIPECONF_ACTIVE) == 0, |
1058 | 100)) | |
284637d9 | 1059 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 1060 | } else { |
ab7ad7f6 | 1061 | /* Wait for the display line to settle */ |
fbf49ea2 | 1062 | if (wait_for(pipe_dsl_stopped(dev, pipe), 100)) |
284637d9 | 1063 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 1064 | } |
79e53945 JB |
1065 | } |
1066 | ||
b0ea7d37 DL |
1067 | /* |
1068 | * ibx_digital_port_connected - is the specified port connected? | |
1069 | * @dev_priv: i915 private structure | |
1070 | * @port: the port to test | |
1071 | * | |
1072 | * Returns true if @port is connected, false otherwise. | |
1073 | */ | |
1074 | bool ibx_digital_port_connected(struct drm_i915_private *dev_priv, | |
1075 | struct intel_digital_port *port) | |
1076 | { | |
1077 | u32 bit; | |
1078 | ||
c36346e3 | 1079 | if (HAS_PCH_IBX(dev_priv->dev)) { |
eba905b2 | 1080 | switch (port->port) { |
c36346e3 DL |
1081 | case PORT_B: |
1082 | bit = SDE_PORTB_HOTPLUG; | |
1083 | break; | |
1084 | case PORT_C: | |
1085 | bit = SDE_PORTC_HOTPLUG; | |
1086 | break; | |
1087 | case PORT_D: | |
1088 | bit = SDE_PORTD_HOTPLUG; | |
1089 | break; | |
1090 | default: | |
1091 | return true; | |
1092 | } | |
1093 | } else { | |
eba905b2 | 1094 | switch (port->port) { |
c36346e3 DL |
1095 | case PORT_B: |
1096 | bit = SDE_PORTB_HOTPLUG_CPT; | |
1097 | break; | |
1098 | case PORT_C: | |
1099 | bit = SDE_PORTC_HOTPLUG_CPT; | |
1100 | break; | |
1101 | case PORT_D: | |
1102 | bit = SDE_PORTD_HOTPLUG_CPT; | |
1103 | break; | |
1104 | default: | |
1105 | return true; | |
1106 | } | |
b0ea7d37 DL |
1107 | } |
1108 | ||
1109 | return I915_READ(SDEISR) & bit; | |
1110 | } | |
1111 | ||
b24e7179 JB |
1112 | static const char *state_string(bool enabled) |
1113 | { | |
1114 | return enabled ? "on" : "off"; | |
1115 | } | |
1116 | ||
1117 | /* Only for pre-ILK configs */ | |
55607e8a DV |
1118 | void assert_pll(struct drm_i915_private *dev_priv, |
1119 | enum pipe pipe, bool state) | |
b24e7179 JB |
1120 | { |
1121 | int reg; | |
1122 | u32 val; | |
1123 | bool cur_state; | |
1124 | ||
1125 | reg = DPLL(pipe); | |
1126 | val = I915_READ(reg); | |
1127 | cur_state = !!(val & DPLL_VCO_ENABLE); | |
e2c719b7 | 1128 | I915_STATE_WARN(cur_state != state, |
b24e7179 JB |
1129 | "PLL state assertion failure (expected %s, current %s)\n", |
1130 | state_string(state), state_string(cur_state)); | |
1131 | } | |
b24e7179 | 1132 | |
23538ef1 JN |
1133 | /* XXX: the dsi pll is shared between MIPI DSI ports */ |
1134 | static void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state) | |
1135 | { | |
1136 | u32 val; | |
1137 | bool cur_state; | |
1138 | ||
1139 | mutex_lock(&dev_priv->dpio_lock); | |
1140 | val = vlv_cck_read(dev_priv, CCK_REG_DSI_PLL_CONTROL); | |
1141 | mutex_unlock(&dev_priv->dpio_lock); | |
1142 | ||
1143 | cur_state = val & DSI_PLL_VCO_EN; | |
e2c719b7 | 1144 | I915_STATE_WARN(cur_state != state, |
23538ef1 JN |
1145 | "DSI PLL state assertion failure (expected %s, current %s)\n", |
1146 | state_string(state), state_string(cur_state)); | |
1147 | } | |
1148 | #define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true) | |
1149 | #define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false) | |
1150 | ||
55607e8a | 1151 | struct intel_shared_dpll * |
e2b78267 DV |
1152 | intel_crtc_to_shared_dpll(struct intel_crtc *crtc) |
1153 | { | |
1154 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; | |
1155 | ||
6e3c9717 | 1156 | if (crtc->config->shared_dpll < 0) |
e2b78267 DV |
1157 | return NULL; |
1158 | ||
6e3c9717 | 1159 | return &dev_priv->shared_dplls[crtc->config->shared_dpll]; |
e2b78267 DV |
1160 | } |
1161 | ||
040484af | 1162 | /* For ILK+ */ |
55607e8a DV |
1163 | void assert_shared_dpll(struct drm_i915_private *dev_priv, |
1164 | struct intel_shared_dpll *pll, | |
1165 | bool state) | |
040484af | 1166 | { |
040484af | 1167 | bool cur_state; |
5358901f | 1168 | struct intel_dpll_hw_state hw_state; |
040484af | 1169 | |
92b27b08 | 1170 | if (WARN (!pll, |
46edb027 | 1171 | "asserting DPLL %s with no DPLL\n", state_string(state))) |
ee7b9f93 | 1172 | return; |
ee7b9f93 | 1173 | |
5358901f | 1174 | cur_state = pll->get_hw_state(dev_priv, pll, &hw_state); |
e2c719b7 | 1175 | I915_STATE_WARN(cur_state != state, |
5358901f DV |
1176 | "%s assertion failure (expected %s, current %s)\n", |
1177 | pll->name, state_string(state), state_string(cur_state)); | |
040484af | 1178 | } |
040484af JB |
1179 | |
1180 | static void assert_fdi_tx(struct drm_i915_private *dev_priv, | |
1181 | enum pipe pipe, bool state) | |
1182 | { | |
1183 | int reg; | |
1184 | u32 val; | |
1185 | bool cur_state; | |
ad80a810 PZ |
1186 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1187 | pipe); | |
040484af | 1188 | |
affa9354 PZ |
1189 | if (HAS_DDI(dev_priv->dev)) { |
1190 | /* DDI does not have a specific FDI_TX register */ | |
ad80a810 | 1191 | reg = TRANS_DDI_FUNC_CTL(cpu_transcoder); |
bf507ef7 | 1192 | val = I915_READ(reg); |
ad80a810 | 1193 | cur_state = !!(val & TRANS_DDI_FUNC_ENABLE); |
bf507ef7 ED |
1194 | } else { |
1195 | reg = FDI_TX_CTL(pipe); | |
1196 | val = I915_READ(reg); | |
1197 | cur_state = !!(val & FDI_TX_ENABLE); | |
1198 | } | |
e2c719b7 | 1199 | I915_STATE_WARN(cur_state != state, |
040484af JB |
1200 | "FDI TX state assertion failure (expected %s, current %s)\n", |
1201 | state_string(state), state_string(cur_state)); | |
1202 | } | |
1203 | #define assert_fdi_tx_enabled(d, p) assert_fdi_tx(d, p, true) | |
1204 | #define assert_fdi_tx_disabled(d, p) assert_fdi_tx(d, p, false) | |
1205 | ||
1206 | static void assert_fdi_rx(struct drm_i915_private *dev_priv, | |
1207 | enum pipe pipe, bool state) | |
1208 | { | |
1209 | int reg; | |
1210 | u32 val; | |
1211 | bool cur_state; | |
1212 | ||
d63fa0dc PZ |
1213 | reg = FDI_RX_CTL(pipe); |
1214 | val = I915_READ(reg); | |
1215 | cur_state = !!(val & FDI_RX_ENABLE); | |
e2c719b7 | 1216 | I915_STATE_WARN(cur_state != state, |
040484af JB |
1217 | "FDI RX state assertion failure (expected %s, current %s)\n", |
1218 | state_string(state), state_string(cur_state)); | |
1219 | } | |
1220 | #define assert_fdi_rx_enabled(d, p) assert_fdi_rx(d, p, true) | |
1221 | #define assert_fdi_rx_disabled(d, p) assert_fdi_rx(d, p, false) | |
1222 | ||
1223 | static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv, | |
1224 | enum pipe pipe) | |
1225 | { | |
1226 | int reg; | |
1227 | u32 val; | |
1228 | ||
1229 | /* ILK FDI PLL is always enabled */ | |
3d13ef2e | 1230 | if (INTEL_INFO(dev_priv->dev)->gen == 5) |
040484af JB |
1231 | return; |
1232 | ||
bf507ef7 | 1233 | /* On Haswell, DDI ports are responsible for the FDI PLL setup */ |
affa9354 | 1234 | if (HAS_DDI(dev_priv->dev)) |
bf507ef7 ED |
1235 | return; |
1236 | ||
040484af JB |
1237 | reg = FDI_TX_CTL(pipe); |
1238 | val = I915_READ(reg); | |
e2c719b7 | 1239 | I915_STATE_WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n"); |
040484af JB |
1240 | } |
1241 | ||
55607e8a DV |
1242 | void assert_fdi_rx_pll(struct drm_i915_private *dev_priv, |
1243 | enum pipe pipe, bool state) | |
040484af JB |
1244 | { |
1245 | int reg; | |
1246 | u32 val; | |
55607e8a | 1247 | bool cur_state; |
040484af JB |
1248 | |
1249 | reg = FDI_RX_CTL(pipe); | |
1250 | val = I915_READ(reg); | |
55607e8a | 1251 | cur_state = !!(val & FDI_RX_PLL_ENABLE); |
e2c719b7 | 1252 | I915_STATE_WARN(cur_state != state, |
55607e8a DV |
1253 | "FDI RX PLL assertion failure (expected %s, current %s)\n", |
1254 | state_string(state), state_string(cur_state)); | |
040484af JB |
1255 | } |
1256 | ||
b680c37a DV |
1257 | void assert_panel_unlocked(struct drm_i915_private *dev_priv, |
1258 | enum pipe pipe) | |
ea0760cf | 1259 | { |
bedd4dba JN |
1260 | struct drm_device *dev = dev_priv->dev; |
1261 | int pp_reg; | |
ea0760cf JB |
1262 | u32 val; |
1263 | enum pipe panel_pipe = PIPE_A; | |
0de3b485 | 1264 | bool locked = true; |
ea0760cf | 1265 | |
bedd4dba JN |
1266 | if (WARN_ON(HAS_DDI(dev))) |
1267 | return; | |
1268 | ||
1269 | if (HAS_PCH_SPLIT(dev)) { | |
1270 | u32 port_sel; | |
1271 | ||
ea0760cf | 1272 | pp_reg = PCH_PP_CONTROL; |
bedd4dba JN |
1273 | port_sel = I915_READ(PCH_PP_ON_DELAYS) & PANEL_PORT_SELECT_MASK; |
1274 | ||
1275 | if (port_sel == PANEL_PORT_SELECT_LVDS && | |
1276 | I915_READ(PCH_LVDS) & LVDS_PIPEB_SELECT) | |
1277 | panel_pipe = PIPE_B; | |
1278 | /* XXX: else fix for eDP */ | |
1279 | } else if (IS_VALLEYVIEW(dev)) { | |
1280 | /* presumably write lock depends on pipe, not port select */ | |
1281 | pp_reg = VLV_PIPE_PP_CONTROL(pipe); | |
1282 | panel_pipe = pipe; | |
ea0760cf JB |
1283 | } else { |
1284 | pp_reg = PP_CONTROL; | |
bedd4dba JN |
1285 | if (I915_READ(LVDS) & LVDS_PIPEB_SELECT) |
1286 | panel_pipe = PIPE_B; | |
ea0760cf JB |
1287 | } |
1288 | ||
1289 | val = I915_READ(pp_reg); | |
1290 | if (!(val & PANEL_POWER_ON) || | |
ec49ba2d | 1291 | ((val & PANEL_UNLOCK_MASK) == PANEL_UNLOCK_REGS)) |
ea0760cf JB |
1292 | locked = false; |
1293 | ||
e2c719b7 | 1294 | I915_STATE_WARN(panel_pipe == pipe && locked, |
ea0760cf | 1295 | "panel assertion failure, pipe %c regs locked\n", |
9db4a9c7 | 1296 | pipe_name(pipe)); |
ea0760cf JB |
1297 | } |
1298 | ||
93ce0ba6 JN |
1299 | static void assert_cursor(struct drm_i915_private *dev_priv, |
1300 | enum pipe pipe, bool state) | |
1301 | { | |
1302 | struct drm_device *dev = dev_priv->dev; | |
1303 | bool cur_state; | |
1304 | ||
d9d82081 | 1305 | if (IS_845G(dev) || IS_I865G(dev)) |
93ce0ba6 | 1306 | cur_state = I915_READ(_CURACNTR) & CURSOR_ENABLE; |
d9d82081 | 1307 | else |
5efb3e28 | 1308 | cur_state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; |
93ce0ba6 | 1309 | |
e2c719b7 | 1310 | I915_STATE_WARN(cur_state != state, |
93ce0ba6 JN |
1311 | "cursor on pipe %c assertion failure (expected %s, current %s)\n", |
1312 | pipe_name(pipe), state_string(state), state_string(cur_state)); | |
1313 | } | |
1314 | #define assert_cursor_enabled(d, p) assert_cursor(d, p, true) | |
1315 | #define assert_cursor_disabled(d, p) assert_cursor(d, p, false) | |
1316 | ||
b840d907 JB |
1317 | void assert_pipe(struct drm_i915_private *dev_priv, |
1318 | enum pipe pipe, bool state) | |
b24e7179 JB |
1319 | { |
1320 | int reg; | |
1321 | u32 val; | |
63d7bbe9 | 1322 | bool cur_state; |
702e7a56 PZ |
1323 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1324 | pipe); | |
b24e7179 | 1325 | |
b6b5d049 VS |
1326 | /* if we need the pipe quirk it must be always on */ |
1327 | if ((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
1328 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
8e636784 DV |
1329 | state = true; |
1330 | ||
f458ebbc | 1331 | if (!intel_display_power_is_enabled(dev_priv, |
b97186f0 | 1332 | POWER_DOMAIN_TRANSCODER(cpu_transcoder))) { |
69310161 PZ |
1333 | cur_state = false; |
1334 | } else { | |
1335 | reg = PIPECONF(cpu_transcoder); | |
1336 | val = I915_READ(reg); | |
1337 | cur_state = !!(val & PIPECONF_ENABLE); | |
1338 | } | |
1339 | ||
e2c719b7 | 1340 | I915_STATE_WARN(cur_state != state, |
63d7bbe9 | 1341 | "pipe %c assertion failure (expected %s, current %s)\n", |
9db4a9c7 | 1342 | pipe_name(pipe), state_string(state), state_string(cur_state)); |
b24e7179 JB |
1343 | } |
1344 | ||
931872fc CW |
1345 | static void assert_plane(struct drm_i915_private *dev_priv, |
1346 | enum plane plane, bool state) | |
b24e7179 JB |
1347 | { |
1348 | int reg; | |
1349 | u32 val; | |
931872fc | 1350 | bool cur_state; |
b24e7179 JB |
1351 | |
1352 | reg = DSPCNTR(plane); | |
1353 | val = I915_READ(reg); | |
931872fc | 1354 | cur_state = !!(val & DISPLAY_PLANE_ENABLE); |
e2c719b7 | 1355 | I915_STATE_WARN(cur_state != state, |
931872fc CW |
1356 | "plane %c assertion failure (expected %s, current %s)\n", |
1357 | plane_name(plane), state_string(state), state_string(cur_state)); | |
b24e7179 JB |
1358 | } |
1359 | ||
931872fc CW |
1360 | #define assert_plane_enabled(d, p) assert_plane(d, p, true) |
1361 | #define assert_plane_disabled(d, p) assert_plane(d, p, false) | |
1362 | ||
b24e7179 JB |
1363 | static void assert_planes_disabled(struct drm_i915_private *dev_priv, |
1364 | enum pipe pipe) | |
1365 | { | |
653e1026 | 1366 | struct drm_device *dev = dev_priv->dev; |
b24e7179 JB |
1367 | int reg, i; |
1368 | u32 val; | |
1369 | int cur_pipe; | |
1370 | ||
653e1026 VS |
1371 | /* Primary planes are fixed to pipes on gen4+ */ |
1372 | if (INTEL_INFO(dev)->gen >= 4) { | |
28c05794 AJ |
1373 | reg = DSPCNTR(pipe); |
1374 | val = I915_READ(reg); | |
e2c719b7 | 1375 | I915_STATE_WARN(val & DISPLAY_PLANE_ENABLE, |
28c05794 AJ |
1376 | "plane %c assertion failure, should be disabled but not\n", |
1377 | plane_name(pipe)); | |
19ec1358 | 1378 | return; |
28c05794 | 1379 | } |
19ec1358 | 1380 | |
b24e7179 | 1381 | /* Need to check both planes against the pipe */ |
055e393f | 1382 | for_each_pipe(dev_priv, i) { |
b24e7179 JB |
1383 | reg = DSPCNTR(i); |
1384 | val = I915_READ(reg); | |
1385 | cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >> | |
1386 | DISPPLANE_SEL_PIPE_SHIFT; | |
e2c719b7 | 1387 | I915_STATE_WARN((val & DISPLAY_PLANE_ENABLE) && pipe == cur_pipe, |
9db4a9c7 JB |
1388 | "plane %c assertion failure, should be off on pipe %c but is still active\n", |
1389 | plane_name(i), pipe_name(pipe)); | |
b24e7179 JB |
1390 | } |
1391 | } | |
1392 | ||
19332d7a JB |
1393 | static void assert_sprites_disabled(struct drm_i915_private *dev_priv, |
1394 | enum pipe pipe) | |
1395 | { | |
20674eef | 1396 | struct drm_device *dev = dev_priv->dev; |
1fe47785 | 1397 | int reg, sprite; |
19332d7a JB |
1398 | u32 val; |
1399 | ||
7feb8b88 | 1400 | if (INTEL_INFO(dev)->gen >= 9) { |
3bdcfc0c | 1401 | for_each_sprite(dev_priv, pipe, sprite) { |
7feb8b88 | 1402 | val = I915_READ(PLANE_CTL(pipe, sprite)); |
e2c719b7 | 1403 | I915_STATE_WARN(val & PLANE_CTL_ENABLE, |
7feb8b88 DL |
1404 | "plane %d assertion failure, should be off on pipe %c but is still active\n", |
1405 | sprite, pipe_name(pipe)); | |
1406 | } | |
1407 | } else if (IS_VALLEYVIEW(dev)) { | |
3bdcfc0c | 1408 | for_each_sprite(dev_priv, pipe, sprite) { |
1fe47785 | 1409 | reg = SPCNTR(pipe, sprite); |
20674eef | 1410 | val = I915_READ(reg); |
e2c719b7 | 1411 | I915_STATE_WARN(val & SP_ENABLE, |
20674eef | 1412 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
1fe47785 | 1413 | sprite_name(pipe, sprite), pipe_name(pipe)); |
20674eef VS |
1414 | } |
1415 | } else if (INTEL_INFO(dev)->gen >= 7) { | |
1416 | reg = SPRCTL(pipe); | |
19332d7a | 1417 | val = I915_READ(reg); |
e2c719b7 | 1418 | I915_STATE_WARN(val & SPRITE_ENABLE, |
06da8da2 | 1419 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
20674eef VS |
1420 | plane_name(pipe), pipe_name(pipe)); |
1421 | } else if (INTEL_INFO(dev)->gen >= 5) { | |
1422 | reg = DVSCNTR(pipe); | |
19332d7a | 1423 | val = I915_READ(reg); |
e2c719b7 | 1424 | I915_STATE_WARN(val & DVS_ENABLE, |
06da8da2 | 1425 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
20674eef | 1426 | plane_name(pipe), pipe_name(pipe)); |
19332d7a JB |
1427 | } |
1428 | } | |
1429 | ||
08c71e5e VS |
1430 | static void assert_vblank_disabled(struct drm_crtc *crtc) |
1431 | { | |
e2c719b7 | 1432 | if (I915_STATE_WARN_ON(drm_crtc_vblank_get(crtc) == 0)) |
08c71e5e VS |
1433 | drm_crtc_vblank_put(crtc); |
1434 | } | |
1435 | ||
89eff4be | 1436 | static void ibx_assert_pch_refclk_enabled(struct drm_i915_private *dev_priv) |
92f2584a JB |
1437 | { |
1438 | u32 val; | |
1439 | bool enabled; | |
1440 | ||
e2c719b7 | 1441 | I915_STATE_WARN_ON(!(HAS_PCH_IBX(dev_priv->dev) || HAS_PCH_CPT(dev_priv->dev))); |
9d82aa17 | 1442 | |
92f2584a JB |
1443 | val = I915_READ(PCH_DREF_CONTROL); |
1444 | enabled = !!(val & (DREF_SSC_SOURCE_MASK | DREF_NONSPREAD_SOURCE_MASK | | |
1445 | DREF_SUPERSPREAD_SOURCE_MASK)); | |
e2c719b7 | 1446 | I915_STATE_WARN(!enabled, "PCH refclk assertion failure, should be active but is disabled\n"); |
92f2584a JB |
1447 | } |
1448 | ||
ab9412ba DV |
1449 | static void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv, |
1450 | enum pipe pipe) | |
92f2584a JB |
1451 | { |
1452 | int reg; | |
1453 | u32 val; | |
1454 | bool enabled; | |
1455 | ||
ab9412ba | 1456 | reg = PCH_TRANSCONF(pipe); |
92f2584a JB |
1457 | val = I915_READ(reg); |
1458 | enabled = !!(val & TRANS_ENABLE); | |
e2c719b7 | 1459 | I915_STATE_WARN(enabled, |
9db4a9c7 JB |
1460 | "transcoder assertion failed, should be off on pipe %c but is still active\n", |
1461 | pipe_name(pipe)); | |
92f2584a JB |
1462 | } |
1463 | ||
4e634389 KP |
1464 | static bool dp_pipe_enabled(struct drm_i915_private *dev_priv, |
1465 | enum pipe pipe, u32 port_sel, u32 val) | |
f0575e92 KP |
1466 | { |
1467 | if ((val & DP_PORT_EN) == 0) | |
1468 | return false; | |
1469 | ||
1470 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1471 | u32 trans_dp_ctl_reg = TRANS_DP_CTL(pipe); | |
1472 | u32 trans_dp_ctl = I915_READ(trans_dp_ctl_reg); | |
1473 | if ((trans_dp_ctl & TRANS_DP_PORT_SEL_MASK) != port_sel) | |
1474 | return false; | |
44f37d1f CML |
1475 | } else if (IS_CHERRYVIEW(dev_priv->dev)) { |
1476 | if ((val & DP_PIPE_MASK_CHV) != DP_PIPE_SELECT_CHV(pipe)) | |
1477 | return false; | |
f0575e92 KP |
1478 | } else { |
1479 | if ((val & DP_PIPE_MASK) != (pipe << 30)) | |
1480 | return false; | |
1481 | } | |
1482 | return true; | |
1483 | } | |
1484 | ||
1519b995 KP |
1485 | static bool hdmi_pipe_enabled(struct drm_i915_private *dev_priv, |
1486 | enum pipe pipe, u32 val) | |
1487 | { | |
dc0fa718 | 1488 | if ((val & SDVO_ENABLE) == 0) |
1519b995 KP |
1489 | return false; |
1490 | ||
1491 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
dc0fa718 | 1492 | if ((val & SDVO_PIPE_SEL_MASK_CPT) != SDVO_PIPE_SEL_CPT(pipe)) |
1519b995 | 1493 | return false; |
44f37d1f CML |
1494 | } else if (IS_CHERRYVIEW(dev_priv->dev)) { |
1495 | if ((val & SDVO_PIPE_SEL_MASK_CHV) != SDVO_PIPE_SEL_CHV(pipe)) | |
1496 | return false; | |
1519b995 | 1497 | } else { |
dc0fa718 | 1498 | if ((val & SDVO_PIPE_SEL_MASK) != SDVO_PIPE_SEL(pipe)) |
1519b995 KP |
1499 | return false; |
1500 | } | |
1501 | return true; | |
1502 | } | |
1503 | ||
1504 | static bool lvds_pipe_enabled(struct drm_i915_private *dev_priv, | |
1505 | enum pipe pipe, u32 val) | |
1506 | { | |
1507 | if ((val & LVDS_PORT_EN) == 0) | |
1508 | return false; | |
1509 | ||
1510 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1511 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) | |
1512 | return false; | |
1513 | } else { | |
1514 | if ((val & LVDS_PIPE_MASK) != LVDS_PIPE(pipe)) | |
1515 | return false; | |
1516 | } | |
1517 | return true; | |
1518 | } | |
1519 | ||
1520 | static bool adpa_pipe_enabled(struct drm_i915_private *dev_priv, | |
1521 | enum pipe pipe, u32 val) | |
1522 | { | |
1523 | if ((val & ADPA_DAC_ENABLE) == 0) | |
1524 | return false; | |
1525 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1526 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) | |
1527 | return false; | |
1528 | } else { | |
1529 | if ((val & ADPA_PIPE_SELECT_MASK) != ADPA_PIPE_SELECT(pipe)) | |
1530 | return false; | |
1531 | } | |
1532 | return true; | |
1533 | } | |
1534 | ||
291906f1 | 1535 | static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv, |
f0575e92 | 1536 | enum pipe pipe, int reg, u32 port_sel) |
291906f1 | 1537 | { |
47a05eca | 1538 | u32 val = I915_READ(reg); |
e2c719b7 | 1539 | I915_STATE_WARN(dp_pipe_enabled(dev_priv, pipe, port_sel, val), |
291906f1 | 1540 | "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1541 | reg, pipe_name(pipe)); |
de9a35ab | 1542 | |
e2c719b7 | 1543 | I915_STATE_WARN(HAS_PCH_IBX(dev_priv->dev) && (val & DP_PORT_EN) == 0 |
75c5da27 | 1544 | && (val & DP_PIPEB_SELECT), |
de9a35ab | 1545 | "IBX PCH dp port still using transcoder B\n"); |
291906f1 JB |
1546 | } |
1547 | ||
1548 | static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv, | |
1549 | enum pipe pipe, int reg) | |
1550 | { | |
47a05eca | 1551 | u32 val = I915_READ(reg); |
e2c719b7 | 1552 | I915_STATE_WARN(hdmi_pipe_enabled(dev_priv, pipe, val), |
23c99e77 | 1553 | "PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1554 | reg, pipe_name(pipe)); |
de9a35ab | 1555 | |
e2c719b7 | 1556 | I915_STATE_WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_ENABLE) == 0 |
75c5da27 | 1557 | && (val & SDVO_PIPE_B_SELECT), |
de9a35ab | 1558 | "IBX PCH hdmi port still using transcoder B\n"); |
291906f1 JB |
1559 | } |
1560 | ||
1561 | static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv, | |
1562 | enum pipe pipe) | |
1563 | { | |
1564 | int reg; | |
1565 | u32 val; | |
291906f1 | 1566 | |
f0575e92 KP |
1567 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_B, TRANS_DP_PORT_SEL_B); |
1568 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_C, TRANS_DP_PORT_SEL_C); | |
1569 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_D, TRANS_DP_PORT_SEL_D); | |
291906f1 JB |
1570 | |
1571 | reg = PCH_ADPA; | |
1572 | val = I915_READ(reg); | |
e2c719b7 | 1573 | I915_STATE_WARN(adpa_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1574 | "PCH VGA enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1575 | pipe_name(pipe)); |
291906f1 JB |
1576 | |
1577 | reg = PCH_LVDS; | |
1578 | val = I915_READ(reg); | |
e2c719b7 | 1579 | I915_STATE_WARN(lvds_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1580 | "PCH LVDS enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1581 | pipe_name(pipe)); |
291906f1 | 1582 | |
e2debe91 PZ |
1583 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIB); |
1584 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIC); | |
1585 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMID); | |
291906f1 JB |
1586 | } |
1587 | ||
40e9cf64 JB |
1588 | static void intel_init_dpio(struct drm_device *dev) |
1589 | { | |
1590 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1591 | ||
1592 | if (!IS_VALLEYVIEW(dev)) | |
1593 | return; | |
1594 | ||
a09caddd CML |
1595 | /* |
1596 | * IOSF_PORT_DPIO is used for VLV x2 PHY (DP/HDMI B and C), | |
1597 | * CHV x1 PHY (DP/HDMI D) | |
1598 | * IOSF_PORT_DPIO_2 is used for CHV x2 PHY (DP/HDMI B and C) | |
1599 | */ | |
1600 | if (IS_CHERRYVIEW(dev)) { | |
1601 | DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO_2; | |
1602 | DPIO_PHY_IOSF_PORT(DPIO_PHY1) = IOSF_PORT_DPIO; | |
1603 | } else { | |
1604 | DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO; | |
1605 | } | |
5382f5f3 JB |
1606 | } |
1607 | ||
d288f65f | 1608 | static void vlv_enable_pll(struct intel_crtc *crtc, |
5cec258b | 1609 | const struct intel_crtc_state *pipe_config) |
87442f73 | 1610 | { |
426115cf DV |
1611 | struct drm_device *dev = crtc->base.dev; |
1612 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1613 | int reg = DPLL(crtc->pipe); | |
d288f65f | 1614 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
87442f73 | 1615 | |
426115cf | 1616 | assert_pipe_disabled(dev_priv, crtc->pipe); |
87442f73 DV |
1617 | |
1618 | /* No really, not for ILK+ */ | |
1619 | BUG_ON(!IS_VALLEYVIEW(dev_priv->dev)); | |
1620 | ||
1621 | /* PLL is protected by panel, make sure we can write it */ | |
6a9e7363 | 1622 | if (IS_MOBILE(dev_priv->dev)) |
426115cf | 1623 | assert_panel_unlocked(dev_priv, crtc->pipe); |
87442f73 | 1624 | |
426115cf DV |
1625 | I915_WRITE(reg, dpll); |
1626 | POSTING_READ(reg); | |
1627 | udelay(150); | |
1628 | ||
1629 | if (wait_for(((I915_READ(reg) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) | |
1630 | DRM_ERROR("DPLL %d failed to lock\n", crtc->pipe); | |
1631 | ||
d288f65f | 1632 | I915_WRITE(DPLL_MD(crtc->pipe), pipe_config->dpll_hw_state.dpll_md); |
426115cf | 1633 | POSTING_READ(DPLL_MD(crtc->pipe)); |
87442f73 DV |
1634 | |
1635 | /* We do this three times for luck */ | |
426115cf | 1636 | I915_WRITE(reg, dpll); |
87442f73 DV |
1637 | POSTING_READ(reg); |
1638 | udelay(150); /* wait for warmup */ | |
426115cf | 1639 | I915_WRITE(reg, dpll); |
87442f73 DV |
1640 | POSTING_READ(reg); |
1641 | udelay(150); /* wait for warmup */ | |
426115cf | 1642 | I915_WRITE(reg, dpll); |
87442f73 DV |
1643 | POSTING_READ(reg); |
1644 | udelay(150); /* wait for warmup */ | |
1645 | } | |
1646 | ||
d288f65f | 1647 | static void chv_enable_pll(struct intel_crtc *crtc, |
5cec258b | 1648 | const struct intel_crtc_state *pipe_config) |
9d556c99 CML |
1649 | { |
1650 | struct drm_device *dev = crtc->base.dev; | |
1651 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1652 | int pipe = crtc->pipe; | |
1653 | enum dpio_channel port = vlv_pipe_to_channel(pipe); | |
9d556c99 CML |
1654 | u32 tmp; |
1655 | ||
1656 | assert_pipe_disabled(dev_priv, crtc->pipe); | |
1657 | ||
1658 | BUG_ON(!IS_CHERRYVIEW(dev_priv->dev)); | |
1659 | ||
1660 | mutex_lock(&dev_priv->dpio_lock); | |
1661 | ||
1662 | /* Enable back the 10bit clock to display controller */ | |
1663 | tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); | |
1664 | tmp |= DPIO_DCLKP_EN; | |
1665 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), tmp); | |
1666 | ||
1667 | /* | |
1668 | * Need to wait > 100ns between dclkp clock enable bit and PLL enable. | |
1669 | */ | |
1670 | udelay(1); | |
1671 | ||
1672 | /* Enable PLL */ | |
d288f65f | 1673 | I915_WRITE(DPLL(pipe), pipe_config->dpll_hw_state.dpll); |
9d556c99 CML |
1674 | |
1675 | /* Check PLL is locked */ | |
a11b0703 | 1676 | if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) |
9d556c99 CML |
1677 | DRM_ERROR("PLL %d failed to lock\n", pipe); |
1678 | ||
a11b0703 | 1679 | /* not sure when this should be written */ |
d288f65f | 1680 | I915_WRITE(DPLL_MD(pipe), pipe_config->dpll_hw_state.dpll_md); |
a11b0703 VS |
1681 | POSTING_READ(DPLL_MD(pipe)); |
1682 | ||
9d556c99 CML |
1683 | mutex_unlock(&dev_priv->dpio_lock); |
1684 | } | |
1685 | ||
1c4e0274 VS |
1686 | static int intel_num_dvo_pipes(struct drm_device *dev) |
1687 | { | |
1688 | struct intel_crtc *crtc; | |
1689 | int count = 0; | |
1690 | ||
1691 | for_each_intel_crtc(dev, crtc) | |
1692 | count += crtc->active && | |
409ee761 | 1693 | intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO); |
1c4e0274 VS |
1694 | |
1695 | return count; | |
1696 | } | |
1697 | ||
66e3d5c0 | 1698 | static void i9xx_enable_pll(struct intel_crtc *crtc) |
63d7bbe9 | 1699 | { |
66e3d5c0 DV |
1700 | struct drm_device *dev = crtc->base.dev; |
1701 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1702 | int reg = DPLL(crtc->pipe); | |
6e3c9717 | 1703 | u32 dpll = crtc->config->dpll_hw_state.dpll; |
63d7bbe9 | 1704 | |
66e3d5c0 | 1705 | assert_pipe_disabled(dev_priv, crtc->pipe); |
58c6eaa2 | 1706 | |
63d7bbe9 | 1707 | /* No really, not for ILK+ */ |
3d13ef2e | 1708 | BUG_ON(INTEL_INFO(dev)->gen >= 5); |
63d7bbe9 JB |
1709 | |
1710 | /* PLL is protected by panel, make sure we can write it */ | |
66e3d5c0 DV |
1711 | if (IS_MOBILE(dev) && !IS_I830(dev)) |
1712 | assert_panel_unlocked(dev_priv, crtc->pipe); | |
63d7bbe9 | 1713 | |
1c4e0274 VS |
1714 | /* Enable DVO 2x clock on both PLLs if necessary */ |
1715 | if (IS_I830(dev) && intel_num_dvo_pipes(dev) > 0) { | |
1716 | /* | |
1717 | * It appears to be important that we don't enable this | |
1718 | * for the current pipe before otherwise configuring the | |
1719 | * PLL. No idea how this should be handled if multiple | |
1720 | * DVO outputs are enabled simultaneosly. | |
1721 | */ | |
1722 | dpll |= DPLL_DVO_2X_MODE; | |
1723 | I915_WRITE(DPLL(!crtc->pipe), | |
1724 | I915_READ(DPLL(!crtc->pipe)) | DPLL_DVO_2X_MODE); | |
1725 | } | |
66e3d5c0 DV |
1726 | |
1727 | /* Wait for the clocks to stabilize. */ | |
1728 | POSTING_READ(reg); | |
1729 | udelay(150); | |
1730 | ||
1731 | if (INTEL_INFO(dev)->gen >= 4) { | |
1732 | I915_WRITE(DPLL_MD(crtc->pipe), | |
6e3c9717 | 1733 | crtc->config->dpll_hw_state.dpll_md); |
66e3d5c0 DV |
1734 | } else { |
1735 | /* The pixel multiplier can only be updated once the | |
1736 | * DPLL is enabled and the clocks are stable. | |
1737 | * | |
1738 | * So write it again. | |
1739 | */ | |
1740 | I915_WRITE(reg, dpll); | |
1741 | } | |
63d7bbe9 JB |
1742 | |
1743 | /* We do this three times for luck */ | |
66e3d5c0 | 1744 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1745 | POSTING_READ(reg); |
1746 | udelay(150); /* wait for warmup */ | |
66e3d5c0 | 1747 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1748 | POSTING_READ(reg); |
1749 | udelay(150); /* wait for warmup */ | |
66e3d5c0 | 1750 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1751 | POSTING_READ(reg); |
1752 | udelay(150); /* wait for warmup */ | |
1753 | } | |
1754 | ||
1755 | /** | |
50b44a44 | 1756 | * i9xx_disable_pll - disable a PLL |
63d7bbe9 JB |
1757 | * @dev_priv: i915 private structure |
1758 | * @pipe: pipe PLL to disable | |
1759 | * | |
1760 | * Disable the PLL for @pipe, making sure the pipe is off first. | |
1761 | * | |
1762 | * Note! This is for pre-ILK only. | |
1763 | */ | |
1c4e0274 | 1764 | static void i9xx_disable_pll(struct intel_crtc *crtc) |
63d7bbe9 | 1765 | { |
1c4e0274 VS |
1766 | struct drm_device *dev = crtc->base.dev; |
1767 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1768 | enum pipe pipe = crtc->pipe; | |
1769 | ||
1770 | /* Disable DVO 2x clock on both PLLs if necessary */ | |
1771 | if (IS_I830(dev) && | |
409ee761 | 1772 | intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO) && |
1c4e0274 VS |
1773 | intel_num_dvo_pipes(dev) == 1) { |
1774 | I915_WRITE(DPLL(PIPE_B), | |
1775 | I915_READ(DPLL(PIPE_B)) & ~DPLL_DVO_2X_MODE); | |
1776 | I915_WRITE(DPLL(PIPE_A), | |
1777 | I915_READ(DPLL(PIPE_A)) & ~DPLL_DVO_2X_MODE); | |
1778 | } | |
1779 | ||
b6b5d049 VS |
1780 | /* Don't disable pipe or pipe PLLs if needed */ |
1781 | if ((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
1782 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
63d7bbe9 JB |
1783 | return; |
1784 | ||
1785 | /* Make sure the pipe isn't still relying on us */ | |
1786 | assert_pipe_disabled(dev_priv, pipe); | |
1787 | ||
50b44a44 DV |
1788 | I915_WRITE(DPLL(pipe), 0); |
1789 | POSTING_READ(DPLL(pipe)); | |
63d7bbe9 JB |
1790 | } |
1791 | ||
f6071166 JB |
1792 | static void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) |
1793 | { | |
1794 | u32 val = 0; | |
1795 | ||
1796 | /* Make sure the pipe isn't still relying on us */ | |
1797 | assert_pipe_disabled(dev_priv, pipe); | |
1798 | ||
e5cbfbfb ID |
1799 | /* |
1800 | * Leave integrated clock source and reference clock enabled for pipe B. | |
1801 | * The latter is needed for VGA hotplug / manual detection. | |
1802 | */ | |
f6071166 | 1803 | if (pipe == PIPE_B) |
e5cbfbfb | 1804 | val = DPLL_INTEGRATED_CRI_CLK_VLV | DPLL_REFA_CLK_ENABLE_VLV; |
f6071166 JB |
1805 | I915_WRITE(DPLL(pipe), val); |
1806 | POSTING_READ(DPLL(pipe)); | |
076ed3b2 CML |
1807 | |
1808 | } | |
1809 | ||
1810 | static void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) | |
1811 | { | |
d752048d | 1812 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
076ed3b2 CML |
1813 | u32 val; |
1814 | ||
a11b0703 VS |
1815 | /* Make sure the pipe isn't still relying on us */ |
1816 | assert_pipe_disabled(dev_priv, pipe); | |
076ed3b2 | 1817 | |
a11b0703 | 1818 | /* Set PLL en = 0 */ |
d17ec4ce | 1819 | val = DPLL_SSC_REF_CLOCK_CHV | DPLL_REFA_CLK_ENABLE_VLV; |
a11b0703 VS |
1820 | if (pipe != PIPE_A) |
1821 | val |= DPLL_INTEGRATED_CRI_CLK_VLV; | |
1822 | I915_WRITE(DPLL(pipe), val); | |
1823 | POSTING_READ(DPLL(pipe)); | |
d752048d VS |
1824 | |
1825 | mutex_lock(&dev_priv->dpio_lock); | |
1826 | ||
1827 | /* Disable 10bit clock to display controller */ | |
1828 | val = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); | |
1829 | val &= ~DPIO_DCLKP_EN; | |
1830 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), val); | |
1831 | ||
61407f6d VS |
1832 | /* disable left/right clock distribution */ |
1833 | if (pipe != PIPE_B) { | |
1834 | val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0); | |
1835 | val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK); | |
1836 | vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val); | |
1837 | } else { | |
1838 | val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1); | |
1839 | val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK); | |
1840 | vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val); | |
1841 | } | |
1842 | ||
d752048d | 1843 | mutex_unlock(&dev_priv->dpio_lock); |
f6071166 JB |
1844 | } |
1845 | ||
e4607fcf | 1846 | void vlv_wait_port_ready(struct drm_i915_private *dev_priv, |
9b6de0a1 VS |
1847 | struct intel_digital_port *dport, |
1848 | unsigned int expected_mask) | |
89b667f8 JB |
1849 | { |
1850 | u32 port_mask; | |
00fc31b7 | 1851 | int dpll_reg; |
89b667f8 | 1852 | |
e4607fcf CML |
1853 | switch (dport->port) { |
1854 | case PORT_B: | |
89b667f8 | 1855 | port_mask = DPLL_PORTB_READY_MASK; |
00fc31b7 | 1856 | dpll_reg = DPLL(0); |
e4607fcf CML |
1857 | break; |
1858 | case PORT_C: | |
89b667f8 | 1859 | port_mask = DPLL_PORTC_READY_MASK; |
00fc31b7 | 1860 | dpll_reg = DPLL(0); |
9b6de0a1 | 1861 | expected_mask <<= 4; |
00fc31b7 CML |
1862 | break; |
1863 | case PORT_D: | |
1864 | port_mask = DPLL_PORTD_READY_MASK; | |
1865 | dpll_reg = DPIO_PHY_STATUS; | |
e4607fcf CML |
1866 | break; |
1867 | default: | |
1868 | BUG(); | |
1869 | } | |
89b667f8 | 1870 | |
9b6de0a1 VS |
1871 | if (wait_for((I915_READ(dpll_reg) & port_mask) == expected_mask, 1000)) |
1872 | WARN(1, "timed out waiting for port %c ready: got 0x%x, expected 0x%x\n", | |
1873 | port_name(dport->port), I915_READ(dpll_reg) & port_mask, expected_mask); | |
89b667f8 JB |
1874 | } |
1875 | ||
b14b1055 DV |
1876 | static void intel_prepare_shared_dpll(struct intel_crtc *crtc) |
1877 | { | |
1878 | struct drm_device *dev = crtc->base.dev; | |
1879 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1880 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); | |
1881 | ||
be19f0ff CW |
1882 | if (WARN_ON(pll == NULL)) |
1883 | return; | |
1884 | ||
3e369b76 | 1885 | WARN_ON(!pll->config.crtc_mask); |
b14b1055 DV |
1886 | if (pll->active == 0) { |
1887 | DRM_DEBUG_DRIVER("setting up %s\n", pll->name); | |
1888 | WARN_ON(pll->on); | |
1889 | assert_shared_dpll_disabled(dev_priv, pll); | |
1890 | ||
1891 | pll->mode_set(dev_priv, pll); | |
1892 | } | |
1893 | } | |
1894 | ||
92f2584a | 1895 | /** |
85b3894f | 1896 | * intel_enable_shared_dpll - enable PCH PLL |
92f2584a JB |
1897 | * @dev_priv: i915 private structure |
1898 | * @pipe: pipe PLL to enable | |
1899 | * | |
1900 | * The PCH PLL needs to be enabled before the PCH transcoder, since it | |
1901 | * drives the transcoder clock. | |
1902 | */ | |
85b3894f | 1903 | static void intel_enable_shared_dpll(struct intel_crtc *crtc) |
92f2584a | 1904 | { |
3d13ef2e DL |
1905 | struct drm_device *dev = crtc->base.dev; |
1906 | struct drm_i915_private *dev_priv = dev->dev_private; | |
e2b78267 | 1907 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
92f2584a | 1908 | |
87a875bb | 1909 | if (WARN_ON(pll == NULL)) |
48da64a8 CW |
1910 | return; |
1911 | ||
3e369b76 | 1912 | if (WARN_ON(pll->config.crtc_mask == 0)) |
48da64a8 | 1913 | return; |
ee7b9f93 | 1914 | |
74dd6928 | 1915 | DRM_DEBUG_KMS("enable %s (active %d, on? %d) for crtc %d\n", |
46edb027 | 1916 | pll->name, pll->active, pll->on, |
e2b78267 | 1917 | crtc->base.base.id); |
92f2584a | 1918 | |
cdbd2316 DV |
1919 | if (pll->active++) { |
1920 | WARN_ON(!pll->on); | |
e9d6944e | 1921 | assert_shared_dpll_enabled(dev_priv, pll); |
ee7b9f93 JB |
1922 | return; |
1923 | } | |
f4a091c7 | 1924 | WARN_ON(pll->on); |
ee7b9f93 | 1925 | |
bd2bb1b9 PZ |
1926 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); |
1927 | ||
46edb027 | 1928 | DRM_DEBUG_KMS("enabling %s\n", pll->name); |
e7b903d2 | 1929 | pll->enable(dev_priv, pll); |
ee7b9f93 | 1930 | pll->on = true; |
92f2584a JB |
1931 | } |
1932 | ||
f6daaec2 | 1933 | static void intel_disable_shared_dpll(struct intel_crtc *crtc) |
92f2584a | 1934 | { |
3d13ef2e DL |
1935 | struct drm_device *dev = crtc->base.dev; |
1936 | struct drm_i915_private *dev_priv = dev->dev_private; | |
e2b78267 | 1937 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
4c609cb8 | 1938 | |
92f2584a | 1939 | /* PCH only available on ILK+ */ |
3d13ef2e | 1940 | BUG_ON(INTEL_INFO(dev)->gen < 5); |
87a875bb | 1941 | if (WARN_ON(pll == NULL)) |
ee7b9f93 | 1942 | return; |
92f2584a | 1943 | |
3e369b76 | 1944 | if (WARN_ON(pll->config.crtc_mask == 0)) |
48da64a8 | 1945 | return; |
7a419866 | 1946 | |
46edb027 DV |
1947 | DRM_DEBUG_KMS("disable %s (active %d, on? %d) for crtc %d\n", |
1948 | pll->name, pll->active, pll->on, | |
e2b78267 | 1949 | crtc->base.base.id); |
7a419866 | 1950 | |
48da64a8 | 1951 | if (WARN_ON(pll->active == 0)) { |
e9d6944e | 1952 | assert_shared_dpll_disabled(dev_priv, pll); |
48da64a8 CW |
1953 | return; |
1954 | } | |
1955 | ||
e9d6944e | 1956 | assert_shared_dpll_enabled(dev_priv, pll); |
f4a091c7 | 1957 | WARN_ON(!pll->on); |
cdbd2316 | 1958 | if (--pll->active) |
7a419866 | 1959 | return; |
ee7b9f93 | 1960 | |
46edb027 | 1961 | DRM_DEBUG_KMS("disabling %s\n", pll->name); |
e7b903d2 | 1962 | pll->disable(dev_priv, pll); |
ee7b9f93 | 1963 | pll->on = false; |
bd2bb1b9 PZ |
1964 | |
1965 | intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); | |
92f2584a JB |
1966 | } |
1967 | ||
b8a4f404 PZ |
1968 | static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
1969 | enum pipe pipe) | |
040484af | 1970 | { |
23670b32 | 1971 | struct drm_device *dev = dev_priv->dev; |
7c26e5c6 | 1972 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
e2b78267 | 1973 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
23670b32 | 1974 | uint32_t reg, val, pipeconf_val; |
040484af JB |
1975 | |
1976 | /* PCH only available on ILK+ */ | |
55522f37 | 1977 | BUG_ON(!HAS_PCH_SPLIT(dev)); |
040484af JB |
1978 | |
1979 | /* Make sure PCH DPLL is enabled */ | |
e72f9fbf | 1980 | assert_shared_dpll_enabled(dev_priv, |
e9d6944e | 1981 | intel_crtc_to_shared_dpll(intel_crtc)); |
040484af JB |
1982 | |
1983 | /* FDI must be feeding us bits for PCH ports */ | |
1984 | assert_fdi_tx_enabled(dev_priv, pipe); | |
1985 | assert_fdi_rx_enabled(dev_priv, pipe); | |
1986 | ||
23670b32 DV |
1987 | if (HAS_PCH_CPT(dev)) { |
1988 | /* Workaround: Set the timing override bit before enabling the | |
1989 | * pch transcoder. */ | |
1990 | reg = TRANS_CHICKEN2(pipe); | |
1991 | val = I915_READ(reg); | |
1992 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; | |
1993 | I915_WRITE(reg, val); | |
59c859d6 | 1994 | } |
23670b32 | 1995 | |
ab9412ba | 1996 | reg = PCH_TRANSCONF(pipe); |
040484af | 1997 | val = I915_READ(reg); |
5f7f726d | 1998 | pipeconf_val = I915_READ(PIPECONF(pipe)); |
e9bcff5c JB |
1999 | |
2000 | if (HAS_PCH_IBX(dev_priv->dev)) { | |
2001 | /* | |
2002 | * make the BPC in transcoder be consistent with | |
2003 | * that in pipeconf reg. | |
2004 | */ | |
dfd07d72 DV |
2005 | val &= ~PIPECONF_BPC_MASK; |
2006 | val |= pipeconf_val & PIPECONF_BPC_MASK; | |
e9bcff5c | 2007 | } |
5f7f726d PZ |
2008 | |
2009 | val &= ~TRANS_INTERLACE_MASK; | |
2010 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK) == PIPECONF_INTERLACED_ILK) | |
7c26e5c6 | 2011 | if (HAS_PCH_IBX(dev_priv->dev) && |
409ee761 | 2012 | intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
7c26e5c6 PZ |
2013 | val |= TRANS_LEGACY_INTERLACED_ILK; |
2014 | else | |
2015 | val |= TRANS_INTERLACED; | |
5f7f726d PZ |
2016 | else |
2017 | val |= TRANS_PROGRESSIVE; | |
2018 | ||
040484af JB |
2019 | I915_WRITE(reg, val | TRANS_ENABLE); |
2020 | if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100)) | |
4bb6f1f3 | 2021 | DRM_ERROR("failed to enable transcoder %c\n", pipe_name(pipe)); |
040484af JB |
2022 | } |
2023 | ||
8fb033d7 | 2024 | static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
937bb610 | 2025 | enum transcoder cpu_transcoder) |
040484af | 2026 | { |
8fb033d7 | 2027 | u32 val, pipeconf_val; |
8fb033d7 PZ |
2028 | |
2029 | /* PCH only available on ILK+ */ | |
55522f37 | 2030 | BUG_ON(!HAS_PCH_SPLIT(dev_priv->dev)); |
8fb033d7 | 2031 | |
8fb033d7 | 2032 | /* FDI must be feeding us bits for PCH ports */ |
1a240d4d | 2033 | assert_fdi_tx_enabled(dev_priv, (enum pipe) cpu_transcoder); |
937bb610 | 2034 | assert_fdi_rx_enabled(dev_priv, TRANSCODER_A); |
8fb033d7 | 2035 | |
223a6fdf PZ |
2036 | /* Workaround: set timing override bit. */ |
2037 | val = I915_READ(_TRANSA_CHICKEN2); | |
23670b32 | 2038 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; |
223a6fdf PZ |
2039 | I915_WRITE(_TRANSA_CHICKEN2, val); |
2040 | ||
25f3ef11 | 2041 | val = TRANS_ENABLE; |
937bb610 | 2042 | pipeconf_val = I915_READ(PIPECONF(cpu_transcoder)); |
8fb033d7 | 2043 | |
9a76b1c6 PZ |
2044 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK_HSW) == |
2045 | PIPECONF_INTERLACED_ILK) | |
a35f2679 | 2046 | val |= TRANS_INTERLACED; |
8fb033d7 PZ |
2047 | else |
2048 | val |= TRANS_PROGRESSIVE; | |
2049 | ||
ab9412ba DV |
2050 | I915_WRITE(LPT_TRANSCONF, val); |
2051 | if (wait_for(I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE, 100)) | |
937bb610 | 2052 | DRM_ERROR("Failed to enable PCH transcoder\n"); |
8fb033d7 PZ |
2053 | } |
2054 | ||
b8a4f404 PZ |
2055 | static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv, |
2056 | enum pipe pipe) | |
040484af | 2057 | { |
23670b32 DV |
2058 | struct drm_device *dev = dev_priv->dev; |
2059 | uint32_t reg, val; | |
040484af JB |
2060 | |
2061 | /* FDI relies on the transcoder */ | |
2062 | assert_fdi_tx_disabled(dev_priv, pipe); | |
2063 | assert_fdi_rx_disabled(dev_priv, pipe); | |
2064 | ||
291906f1 JB |
2065 | /* Ports must be off as well */ |
2066 | assert_pch_ports_disabled(dev_priv, pipe); | |
2067 | ||
ab9412ba | 2068 | reg = PCH_TRANSCONF(pipe); |
040484af JB |
2069 | val = I915_READ(reg); |
2070 | val &= ~TRANS_ENABLE; | |
2071 | I915_WRITE(reg, val); | |
2072 | /* wait for PCH transcoder off, transcoder state */ | |
2073 | if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50)) | |
4bb6f1f3 | 2074 | DRM_ERROR("failed to disable transcoder %c\n", pipe_name(pipe)); |
23670b32 DV |
2075 | |
2076 | if (!HAS_PCH_IBX(dev)) { | |
2077 | /* Workaround: Clear the timing override chicken bit again. */ | |
2078 | reg = TRANS_CHICKEN2(pipe); | |
2079 | val = I915_READ(reg); | |
2080 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; | |
2081 | I915_WRITE(reg, val); | |
2082 | } | |
040484af JB |
2083 | } |
2084 | ||
ab4d966c | 2085 | static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv) |
8fb033d7 | 2086 | { |
8fb033d7 PZ |
2087 | u32 val; |
2088 | ||
ab9412ba | 2089 | val = I915_READ(LPT_TRANSCONF); |
8fb033d7 | 2090 | val &= ~TRANS_ENABLE; |
ab9412ba | 2091 | I915_WRITE(LPT_TRANSCONF, val); |
8fb033d7 | 2092 | /* wait for PCH transcoder off, transcoder state */ |
ab9412ba | 2093 | if (wait_for((I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE) == 0, 50)) |
8a52fd9f | 2094 | DRM_ERROR("Failed to disable PCH transcoder\n"); |
223a6fdf PZ |
2095 | |
2096 | /* Workaround: clear timing override bit. */ | |
2097 | val = I915_READ(_TRANSA_CHICKEN2); | |
23670b32 | 2098 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; |
223a6fdf | 2099 | I915_WRITE(_TRANSA_CHICKEN2, val); |
040484af JB |
2100 | } |
2101 | ||
b24e7179 | 2102 | /** |
309cfea8 | 2103 | * intel_enable_pipe - enable a pipe, asserting requirements |
0372264a | 2104 | * @crtc: crtc responsible for the pipe |
b24e7179 | 2105 | * |
0372264a | 2106 | * Enable @crtc's pipe, making sure that various hardware specific requirements |
b24e7179 | 2107 | * are met, if applicable, e.g. PLL enabled, LVDS pairs enabled, etc. |
b24e7179 | 2108 | */ |
e1fdc473 | 2109 | static void intel_enable_pipe(struct intel_crtc *crtc) |
b24e7179 | 2110 | { |
0372264a PZ |
2111 | struct drm_device *dev = crtc->base.dev; |
2112 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2113 | enum pipe pipe = crtc->pipe; | |
702e7a56 PZ |
2114 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
2115 | pipe); | |
1a240d4d | 2116 | enum pipe pch_transcoder; |
b24e7179 JB |
2117 | int reg; |
2118 | u32 val; | |
2119 | ||
58c6eaa2 | 2120 | assert_planes_disabled(dev_priv, pipe); |
93ce0ba6 | 2121 | assert_cursor_disabled(dev_priv, pipe); |
58c6eaa2 DV |
2122 | assert_sprites_disabled(dev_priv, pipe); |
2123 | ||
681e5811 | 2124 | if (HAS_PCH_LPT(dev_priv->dev)) |
cc391bbb PZ |
2125 | pch_transcoder = TRANSCODER_A; |
2126 | else | |
2127 | pch_transcoder = pipe; | |
2128 | ||
b24e7179 JB |
2129 | /* |
2130 | * A pipe without a PLL won't actually be able to drive bits from | |
2131 | * a plane. On ILK+ the pipe PLLs are integrated, so we don't | |
2132 | * need the check. | |
2133 | */ | |
50360403 | 2134 | if (HAS_GMCH_DISPLAY(dev_priv->dev)) |
409ee761 | 2135 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI)) |
23538ef1 JN |
2136 | assert_dsi_pll_enabled(dev_priv); |
2137 | else | |
2138 | assert_pll_enabled(dev_priv, pipe); | |
040484af | 2139 | else { |
6e3c9717 | 2140 | if (crtc->config->has_pch_encoder) { |
040484af | 2141 | /* if driving the PCH, we need FDI enabled */ |
cc391bbb | 2142 | assert_fdi_rx_pll_enabled(dev_priv, pch_transcoder); |
1a240d4d DV |
2143 | assert_fdi_tx_pll_enabled(dev_priv, |
2144 | (enum pipe) cpu_transcoder); | |
040484af JB |
2145 | } |
2146 | /* FIXME: assert CPU port conditions for SNB+ */ | |
2147 | } | |
b24e7179 | 2148 | |
702e7a56 | 2149 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 2150 | val = I915_READ(reg); |
7ad25d48 | 2151 | if (val & PIPECONF_ENABLE) { |
b6b5d049 VS |
2152 | WARN_ON(!((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
2153 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE))); | |
00d70b15 | 2154 | return; |
7ad25d48 | 2155 | } |
00d70b15 CW |
2156 | |
2157 | I915_WRITE(reg, val | PIPECONF_ENABLE); | |
851855d8 | 2158 | POSTING_READ(reg); |
b24e7179 JB |
2159 | } |
2160 | ||
2161 | /** | |
309cfea8 | 2162 | * intel_disable_pipe - disable a pipe, asserting requirements |
575f7ab7 | 2163 | * @crtc: crtc whose pipes is to be disabled |
b24e7179 | 2164 | * |
575f7ab7 VS |
2165 | * Disable the pipe of @crtc, making sure that various hardware |
2166 | * specific requirements are met, if applicable, e.g. plane | |
2167 | * disabled, panel fitter off, etc. | |
b24e7179 JB |
2168 | * |
2169 | * Will wait until the pipe has shut down before returning. | |
2170 | */ | |
575f7ab7 | 2171 | static void intel_disable_pipe(struct intel_crtc *crtc) |
b24e7179 | 2172 | { |
575f7ab7 | 2173 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
6e3c9717 | 2174 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
575f7ab7 | 2175 | enum pipe pipe = crtc->pipe; |
b24e7179 JB |
2176 | int reg; |
2177 | u32 val; | |
2178 | ||
2179 | /* | |
2180 | * Make sure planes won't keep trying to pump pixels to us, | |
2181 | * or we might hang the display. | |
2182 | */ | |
2183 | assert_planes_disabled(dev_priv, pipe); | |
93ce0ba6 | 2184 | assert_cursor_disabled(dev_priv, pipe); |
19332d7a | 2185 | assert_sprites_disabled(dev_priv, pipe); |
b24e7179 | 2186 | |
702e7a56 | 2187 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 2188 | val = I915_READ(reg); |
00d70b15 CW |
2189 | if ((val & PIPECONF_ENABLE) == 0) |
2190 | return; | |
2191 | ||
67adc644 VS |
2192 | /* |
2193 | * Double wide has implications for planes | |
2194 | * so best keep it disabled when not needed. | |
2195 | */ | |
6e3c9717 | 2196 | if (crtc->config->double_wide) |
67adc644 VS |
2197 | val &= ~PIPECONF_DOUBLE_WIDE; |
2198 | ||
2199 | /* Don't disable pipe or pipe PLLs if needed */ | |
b6b5d049 VS |
2200 | if (!(pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) && |
2201 | !(pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
67adc644 VS |
2202 | val &= ~PIPECONF_ENABLE; |
2203 | ||
2204 | I915_WRITE(reg, val); | |
2205 | if ((val & PIPECONF_ENABLE) == 0) | |
2206 | intel_wait_for_pipe_off(crtc); | |
b24e7179 JB |
2207 | } |
2208 | ||
d74362c9 KP |
2209 | /* |
2210 | * Plane regs are double buffered, going from enabled->disabled needs a | |
2211 | * trigger in order to latch. The display address reg provides this. | |
2212 | */ | |
1dba99f4 VS |
2213 | void intel_flush_primary_plane(struct drm_i915_private *dev_priv, |
2214 | enum plane plane) | |
d74362c9 | 2215 | { |
3d13ef2e DL |
2216 | struct drm_device *dev = dev_priv->dev; |
2217 | u32 reg = INTEL_INFO(dev)->gen >= 4 ? DSPSURF(plane) : DSPADDR(plane); | |
1dba99f4 VS |
2218 | |
2219 | I915_WRITE(reg, I915_READ(reg)); | |
2220 | POSTING_READ(reg); | |
d74362c9 KP |
2221 | } |
2222 | ||
b24e7179 | 2223 | /** |
262ca2b0 | 2224 | * intel_enable_primary_hw_plane - enable the primary plane on a given pipe |
fdd508a6 VS |
2225 | * @plane: plane to be enabled |
2226 | * @crtc: crtc for the plane | |
b24e7179 | 2227 | * |
fdd508a6 | 2228 | * Enable @plane on @crtc, making sure that the pipe is running first. |
b24e7179 | 2229 | */ |
fdd508a6 VS |
2230 | static void intel_enable_primary_hw_plane(struct drm_plane *plane, |
2231 | struct drm_crtc *crtc) | |
b24e7179 | 2232 | { |
fdd508a6 VS |
2233 | struct drm_device *dev = plane->dev; |
2234 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2235 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
b24e7179 JB |
2236 | |
2237 | /* If the pipe isn't enabled, we can't pump pixels and may hang */ | |
fdd508a6 | 2238 | assert_pipe_enabled(dev_priv, intel_crtc->pipe); |
b70709a6 | 2239 | to_intel_plane_state(plane->state)->visible = true; |
939c2fe8 | 2240 | |
fdd508a6 VS |
2241 | dev_priv->display.update_primary_plane(crtc, plane->fb, |
2242 | crtc->x, crtc->y); | |
b24e7179 JB |
2243 | } |
2244 | ||
693db184 CW |
2245 | static bool need_vtd_wa(struct drm_device *dev) |
2246 | { | |
2247 | #ifdef CONFIG_INTEL_IOMMU | |
2248 | if (INTEL_INFO(dev)->gen >= 6 && intel_iommu_gfx_mapped) | |
2249 | return true; | |
2250 | #endif | |
2251 | return false; | |
2252 | } | |
2253 | ||
50470bb0 | 2254 | unsigned int |
6761dd31 TU |
2255 | intel_tile_height(struct drm_device *dev, uint32_t pixel_format, |
2256 | uint64_t fb_format_modifier) | |
a57ce0b2 | 2257 | { |
6761dd31 TU |
2258 | unsigned int tile_height; |
2259 | uint32_t pixel_bytes; | |
a57ce0b2 | 2260 | |
b5d0e9bf DL |
2261 | switch (fb_format_modifier) { |
2262 | case DRM_FORMAT_MOD_NONE: | |
2263 | tile_height = 1; | |
2264 | break; | |
2265 | case I915_FORMAT_MOD_X_TILED: | |
2266 | tile_height = IS_GEN2(dev) ? 16 : 8; | |
2267 | break; | |
2268 | case I915_FORMAT_MOD_Y_TILED: | |
2269 | tile_height = 32; | |
2270 | break; | |
2271 | case I915_FORMAT_MOD_Yf_TILED: | |
6761dd31 TU |
2272 | pixel_bytes = drm_format_plane_cpp(pixel_format, 0); |
2273 | switch (pixel_bytes) { | |
b5d0e9bf | 2274 | default: |
6761dd31 | 2275 | case 1: |
b5d0e9bf DL |
2276 | tile_height = 64; |
2277 | break; | |
6761dd31 TU |
2278 | case 2: |
2279 | case 4: | |
b5d0e9bf DL |
2280 | tile_height = 32; |
2281 | break; | |
6761dd31 | 2282 | case 8: |
b5d0e9bf DL |
2283 | tile_height = 16; |
2284 | break; | |
6761dd31 | 2285 | case 16: |
b5d0e9bf DL |
2286 | WARN_ONCE(1, |
2287 | "128-bit pixels are not supported for display!"); | |
2288 | tile_height = 16; | |
2289 | break; | |
2290 | } | |
2291 | break; | |
2292 | default: | |
2293 | MISSING_CASE(fb_format_modifier); | |
2294 | tile_height = 1; | |
2295 | break; | |
2296 | } | |
091df6cb | 2297 | |
6761dd31 TU |
2298 | return tile_height; |
2299 | } | |
2300 | ||
2301 | unsigned int | |
2302 | intel_fb_align_height(struct drm_device *dev, unsigned int height, | |
2303 | uint32_t pixel_format, uint64_t fb_format_modifier) | |
2304 | { | |
2305 | return ALIGN(height, intel_tile_height(dev, pixel_format, | |
2306 | fb_format_modifier)); | |
a57ce0b2 JB |
2307 | } |
2308 | ||
f64b98cd TU |
2309 | static int |
2310 | intel_fill_fb_ggtt_view(struct i915_ggtt_view *view, struct drm_framebuffer *fb, | |
2311 | const struct drm_plane_state *plane_state) | |
2312 | { | |
50470bb0 | 2313 | struct intel_rotation_info *info = &view->rotation_info; |
50470bb0 | 2314 | |
f64b98cd TU |
2315 | *view = i915_ggtt_view_normal; |
2316 | ||
50470bb0 TU |
2317 | if (!plane_state) |
2318 | return 0; | |
2319 | ||
121920fa | 2320 | if (!intel_rotation_90_or_270(plane_state->rotation)) |
50470bb0 TU |
2321 | return 0; |
2322 | ||
9abc4648 | 2323 | *view = i915_ggtt_view_rotated; |
50470bb0 TU |
2324 | |
2325 | info->height = fb->height; | |
2326 | info->pixel_format = fb->pixel_format; | |
2327 | info->pitch = fb->pitches[0]; | |
2328 | info->fb_modifier = fb->modifier[0]; | |
2329 | ||
f64b98cd TU |
2330 | return 0; |
2331 | } | |
2332 | ||
127bd2ac | 2333 | int |
850c4cdc TU |
2334 | intel_pin_and_fence_fb_obj(struct drm_plane *plane, |
2335 | struct drm_framebuffer *fb, | |
82bc3b2d | 2336 | const struct drm_plane_state *plane_state, |
a4872ba6 | 2337 | struct intel_engine_cs *pipelined) |
6b95a207 | 2338 | { |
850c4cdc | 2339 | struct drm_device *dev = fb->dev; |
ce453d81 | 2340 | struct drm_i915_private *dev_priv = dev->dev_private; |
850c4cdc | 2341 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
f64b98cd | 2342 | struct i915_ggtt_view view; |
6b95a207 KH |
2343 | u32 alignment; |
2344 | int ret; | |
2345 | ||
ebcdd39e MR |
2346 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
2347 | ||
7b911adc TU |
2348 | switch (fb->modifier[0]) { |
2349 | case DRM_FORMAT_MOD_NONE: | |
1fada4cc DL |
2350 | if (INTEL_INFO(dev)->gen >= 9) |
2351 | alignment = 256 * 1024; | |
2352 | else if (IS_BROADWATER(dev) || IS_CRESTLINE(dev)) | |
534843da | 2353 | alignment = 128 * 1024; |
a6c45cf0 | 2354 | else if (INTEL_INFO(dev)->gen >= 4) |
534843da CW |
2355 | alignment = 4 * 1024; |
2356 | else | |
2357 | alignment = 64 * 1024; | |
6b95a207 | 2358 | break; |
7b911adc | 2359 | case I915_FORMAT_MOD_X_TILED: |
1fada4cc DL |
2360 | if (INTEL_INFO(dev)->gen >= 9) |
2361 | alignment = 256 * 1024; | |
2362 | else { | |
2363 | /* pin() will align the object as required by fence */ | |
2364 | alignment = 0; | |
2365 | } | |
6b95a207 | 2366 | break; |
7b911adc | 2367 | case I915_FORMAT_MOD_Y_TILED: |
1327b9a1 DL |
2368 | case I915_FORMAT_MOD_Yf_TILED: |
2369 | if (WARN_ONCE(INTEL_INFO(dev)->gen < 9, | |
2370 | "Y tiling bo slipped through, driver bug!\n")) | |
2371 | return -EINVAL; | |
2372 | alignment = 1 * 1024 * 1024; | |
2373 | break; | |
6b95a207 | 2374 | default: |
7b911adc TU |
2375 | MISSING_CASE(fb->modifier[0]); |
2376 | return -EINVAL; | |
6b95a207 KH |
2377 | } |
2378 | ||
f64b98cd TU |
2379 | ret = intel_fill_fb_ggtt_view(&view, fb, plane_state); |
2380 | if (ret) | |
2381 | return ret; | |
2382 | ||
693db184 CW |
2383 | /* Note that the w/a also requires 64 PTE of padding following the |
2384 | * bo. We currently fill all unused PTE with the shadow page and so | |
2385 | * we should always have valid PTE following the scanout preventing | |
2386 | * the VT-d warning. | |
2387 | */ | |
2388 | if (need_vtd_wa(dev) && alignment < 256 * 1024) | |
2389 | alignment = 256 * 1024; | |
2390 | ||
d6dd6843 PZ |
2391 | /* |
2392 | * Global gtt pte registers are special registers which actually forward | |
2393 | * writes to a chunk of system memory. Which means that there is no risk | |
2394 | * that the register values disappear as soon as we call | |
2395 | * intel_runtime_pm_put(), so it is correct to wrap only the | |
2396 | * pin/unpin/fence and not more. | |
2397 | */ | |
2398 | intel_runtime_pm_get(dev_priv); | |
2399 | ||
ce453d81 | 2400 | dev_priv->mm.interruptible = false; |
e6617330 | 2401 | ret = i915_gem_object_pin_to_display_plane(obj, alignment, pipelined, |
f64b98cd | 2402 | &view); |
48b956c5 | 2403 | if (ret) |
ce453d81 | 2404 | goto err_interruptible; |
6b95a207 KH |
2405 | |
2406 | /* Install a fence for tiled scan-out. Pre-i965 always needs a | |
2407 | * fence, whereas 965+ only requires a fence if using | |
2408 | * framebuffer compression. For simplicity, we always install | |
2409 | * a fence as the cost is not that onerous. | |
2410 | */ | |
06d98131 | 2411 | ret = i915_gem_object_get_fence(obj); |
9a5a53b3 CW |
2412 | if (ret) |
2413 | goto err_unpin; | |
1690e1eb | 2414 | |
9a5a53b3 | 2415 | i915_gem_object_pin_fence(obj); |
6b95a207 | 2416 | |
ce453d81 | 2417 | dev_priv->mm.interruptible = true; |
d6dd6843 | 2418 | intel_runtime_pm_put(dev_priv); |
6b95a207 | 2419 | return 0; |
48b956c5 CW |
2420 | |
2421 | err_unpin: | |
f64b98cd | 2422 | i915_gem_object_unpin_from_display_plane(obj, &view); |
ce453d81 CW |
2423 | err_interruptible: |
2424 | dev_priv->mm.interruptible = true; | |
d6dd6843 | 2425 | intel_runtime_pm_put(dev_priv); |
48b956c5 | 2426 | return ret; |
6b95a207 KH |
2427 | } |
2428 | ||
82bc3b2d TU |
2429 | static void intel_unpin_fb_obj(struct drm_framebuffer *fb, |
2430 | const struct drm_plane_state *plane_state) | |
1690e1eb | 2431 | { |
82bc3b2d | 2432 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
f64b98cd TU |
2433 | struct i915_ggtt_view view; |
2434 | int ret; | |
82bc3b2d | 2435 | |
ebcdd39e MR |
2436 | WARN_ON(!mutex_is_locked(&obj->base.dev->struct_mutex)); |
2437 | ||
f64b98cd TU |
2438 | ret = intel_fill_fb_ggtt_view(&view, fb, plane_state); |
2439 | WARN_ONCE(ret, "Couldn't get view from plane state!"); | |
2440 | ||
1690e1eb | 2441 | i915_gem_object_unpin_fence(obj); |
f64b98cd | 2442 | i915_gem_object_unpin_from_display_plane(obj, &view); |
1690e1eb CW |
2443 | } |
2444 | ||
c2c75131 DV |
2445 | /* Computes the linear offset to the base tile and adjusts x, y. bytes per pixel |
2446 | * is assumed to be a power-of-two. */ | |
bc752862 CW |
2447 | unsigned long intel_gen4_compute_page_offset(int *x, int *y, |
2448 | unsigned int tiling_mode, | |
2449 | unsigned int cpp, | |
2450 | unsigned int pitch) | |
c2c75131 | 2451 | { |
bc752862 CW |
2452 | if (tiling_mode != I915_TILING_NONE) { |
2453 | unsigned int tile_rows, tiles; | |
c2c75131 | 2454 | |
bc752862 CW |
2455 | tile_rows = *y / 8; |
2456 | *y %= 8; | |
c2c75131 | 2457 | |
bc752862 CW |
2458 | tiles = *x / (512/cpp); |
2459 | *x %= 512/cpp; | |
2460 | ||
2461 | return tile_rows * pitch * 8 + tiles * 4096; | |
2462 | } else { | |
2463 | unsigned int offset; | |
2464 | ||
2465 | offset = *y * pitch + *x * cpp; | |
2466 | *y = 0; | |
2467 | *x = (offset & 4095) / cpp; | |
2468 | return offset & -4096; | |
2469 | } | |
c2c75131 DV |
2470 | } |
2471 | ||
b35d63fa | 2472 | static int i9xx_format_to_fourcc(int format) |
46f297fb JB |
2473 | { |
2474 | switch (format) { | |
2475 | case DISPPLANE_8BPP: | |
2476 | return DRM_FORMAT_C8; | |
2477 | case DISPPLANE_BGRX555: | |
2478 | return DRM_FORMAT_XRGB1555; | |
2479 | case DISPPLANE_BGRX565: | |
2480 | return DRM_FORMAT_RGB565; | |
2481 | default: | |
2482 | case DISPPLANE_BGRX888: | |
2483 | return DRM_FORMAT_XRGB8888; | |
2484 | case DISPPLANE_RGBX888: | |
2485 | return DRM_FORMAT_XBGR8888; | |
2486 | case DISPPLANE_BGRX101010: | |
2487 | return DRM_FORMAT_XRGB2101010; | |
2488 | case DISPPLANE_RGBX101010: | |
2489 | return DRM_FORMAT_XBGR2101010; | |
2490 | } | |
2491 | } | |
2492 | ||
bc8d7dff DL |
2493 | static int skl_format_to_fourcc(int format, bool rgb_order, bool alpha) |
2494 | { | |
2495 | switch (format) { | |
2496 | case PLANE_CTL_FORMAT_RGB_565: | |
2497 | return DRM_FORMAT_RGB565; | |
2498 | default: | |
2499 | case PLANE_CTL_FORMAT_XRGB_8888: | |
2500 | if (rgb_order) { | |
2501 | if (alpha) | |
2502 | return DRM_FORMAT_ABGR8888; | |
2503 | else | |
2504 | return DRM_FORMAT_XBGR8888; | |
2505 | } else { | |
2506 | if (alpha) | |
2507 | return DRM_FORMAT_ARGB8888; | |
2508 | else | |
2509 | return DRM_FORMAT_XRGB8888; | |
2510 | } | |
2511 | case PLANE_CTL_FORMAT_XRGB_2101010: | |
2512 | if (rgb_order) | |
2513 | return DRM_FORMAT_XBGR2101010; | |
2514 | else | |
2515 | return DRM_FORMAT_XRGB2101010; | |
2516 | } | |
2517 | } | |
2518 | ||
5724dbd1 | 2519 | static bool |
f6936e29 DV |
2520 | intel_alloc_initial_plane_obj(struct intel_crtc *crtc, |
2521 | struct intel_initial_plane_config *plane_config) | |
46f297fb JB |
2522 | { |
2523 | struct drm_device *dev = crtc->base.dev; | |
2524 | struct drm_i915_gem_object *obj = NULL; | |
2525 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; | |
2d14030b | 2526 | struct drm_framebuffer *fb = &plane_config->fb->base; |
f37b5c2b DV |
2527 | u32 base_aligned = round_down(plane_config->base, PAGE_SIZE); |
2528 | u32 size_aligned = round_up(plane_config->base + plane_config->size, | |
2529 | PAGE_SIZE); | |
2530 | ||
2531 | size_aligned -= base_aligned; | |
46f297fb | 2532 | |
ff2652ea CW |
2533 | if (plane_config->size == 0) |
2534 | return false; | |
2535 | ||
f37b5c2b DV |
2536 | obj = i915_gem_object_create_stolen_for_preallocated(dev, |
2537 | base_aligned, | |
2538 | base_aligned, | |
2539 | size_aligned); | |
46f297fb | 2540 | if (!obj) |
484b41dd | 2541 | return false; |
46f297fb | 2542 | |
49af449b DL |
2543 | obj->tiling_mode = plane_config->tiling; |
2544 | if (obj->tiling_mode == I915_TILING_X) | |
6bf129df | 2545 | obj->stride = fb->pitches[0]; |
46f297fb | 2546 | |
6bf129df DL |
2547 | mode_cmd.pixel_format = fb->pixel_format; |
2548 | mode_cmd.width = fb->width; | |
2549 | mode_cmd.height = fb->height; | |
2550 | mode_cmd.pitches[0] = fb->pitches[0]; | |
18c5247e DV |
2551 | mode_cmd.modifier[0] = fb->modifier[0]; |
2552 | mode_cmd.flags = DRM_MODE_FB_MODIFIERS; | |
46f297fb JB |
2553 | |
2554 | mutex_lock(&dev->struct_mutex); | |
6bf129df | 2555 | if (intel_framebuffer_init(dev, to_intel_framebuffer(fb), |
484b41dd | 2556 | &mode_cmd, obj)) { |
46f297fb JB |
2557 | DRM_DEBUG_KMS("intel fb init failed\n"); |
2558 | goto out_unref_obj; | |
2559 | } | |
46f297fb | 2560 | mutex_unlock(&dev->struct_mutex); |
484b41dd | 2561 | |
f6936e29 | 2562 | DRM_DEBUG_KMS("initial plane fb obj %p\n", obj); |
484b41dd | 2563 | return true; |
46f297fb JB |
2564 | |
2565 | out_unref_obj: | |
2566 | drm_gem_object_unreference(&obj->base); | |
2567 | mutex_unlock(&dev->struct_mutex); | |
484b41dd JB |
2568 | return false; |
2569 | } | |
2570 | ||
afd65eb4 MR |
2571 | /* Update plane->state->fb to match plane->fb after driver-internal updates */ |
2572 | static void | |
2573 | update_state_fb(struct drm_plane *plane) | |
2574 | { | |
2575 | if (plane->fb == plane->state->fb) | |
2576 | return; | |
2577 | ||
2578 | if (plane->state->fb) | |
2579 | drm_framebuffer_unreference(plane->state->fb); | |
2580 | plane->state->fb = plane->fb; | |
2581 | if (plane->state->fb) | |
2582 | drm_framebuffer_reference(plane->state->fb); | |
2583 | } | |
2584 | ||
5724dbd1 | 2585 | static void |
f6936e29 DV |
2586 | intel_find_initial_plane_obj(struct intel_crtc *intel_crtc, |
2587 | struct intel_initial_plane_config *plane_config) | |
484b41dd JB |
2588 | { |
2589 | struct drm_device *dev = intel_crtc->base.dev; | |
d9ceb816 | 2590 | struct drm_i915_private *dev_priv = dev->dev_private; |
484b41dd JB |
2591 | struct drm_crtc *c; |
2592 | struct intel_crtc *i; | |
2ff8fde1 | 2593 | struct drm_i915_gem_object *obj; |
88595ac9 DV |
2594 | struct drm_plane *primary = intel_crtc->base.primary; |
2595 | struct drm_framebuffer *fb; | |
484b41dd | 2596 | |
2d14030b | 2597 | if (!plane_config->fb) |
484b41dd JB |
2598 | return; |
2599 | ||
f6936e29 | 2600 | if (intel_alloc_initial_plane_obj(intel_crtc, plane_config)) { |
88595ac9 DV |
2601 | fb = &plane_config->fb->base; |
2602 | goto valid_fb; | |
f55548b5 | 2603 | } |
484b41dd | 2604 | |
2d14030b | 2605 | kfree(plane_config->fb); |
484b41dd JB |
2606 | |
2607 | /* | |
2608 | * Failed to alloc the obj, check to see if we should share | |
2609 | * an fb with another CRTC instead | |
2610 | */ | |
70e1e0ec | 2611 | for_each_crtc(dev, c) { |
484b41dd JB |
2612 | i = to_intel_crtc(c); |
2613 | ||
2614 | if (c == &intel_crtc->base) | |
2615 | continue; | |
2616 | ||
2ff8fde1 MR |
2617 | if (!i->active) |
2618 | continue; | |
2619 | ||
88595ac9 DV |
2620 | fb = c->primary->fb; |
2621 | if (!fb) | |
484b41dd JB |
2622 | continue; |
2623 | ||
88595ac9 | 2624 | obj = intel_fb_obj(fb); |
2ff8fde1 | 2625 | if (i915_gem_obj_ggtt_offset(obj) == plane_config->base) { |
88595ac9 DV |
2626 | drm_framebuffer_reference(fb); |
2627 | goto valid_fb; | |
484b41dd JB |
2628 | } |
2629 | } | |
88595ac9 DV |
2630 | |
2631 | return; | |
2632 | ||
2633 | valid_fb: | |
2634 | obj = intel_fb_obj(fb); | |
2635 | if (obj->tiling_mode != I915_TILING_NONE) | |
2636 | dev_priv->preserve_bios_swizzle = true; | |
2637 | ||
2638 | primary->fb = fb; | |
2639 | primary->state->crtc = &intel_crtc->base; | |
2640 | primary->crtc = &intel_crtc->base; | |
2641 | update_state_fb(primary); | |
2642 | obj->frontbuffer_bits |= INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe); | |
46f297fb JB |
2643 | } |
2644 | ||
29b9bde6 DV |
2645 | static void i9xx_update_primary_plane(struct drm_crtc *crtc, |
2646 | struct drm_framebuffer *fb, | |
2647 | int x, int y) | |
81255565 JB |
2648 | { |
2649 | struct drm_device *dev = crtc->dev; | |
2650 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2651 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
b70709a6 ML |
2652 | struct drm_plane *primary = crtc->primary; |
2653 | bool visible = to_intel_plane_state(primary->state)->visible; | |
c9ba6fad | 2654 | struct drm_i915_gem_object *obj; |
81255565 | 2655 | int plane = intel_crtc->plane; |
e506a0c6 | 2656 | unsigned long linear_offset; |
81255565 | 2657 | u32 dspcntr; |
f45651ba | 2658 | u32 reg = DSPCNTR(plane); |
48404c1e | 2659 | int pixel_size; |
f45651ba | 2660 | |
b70709a6 | 2661 | if (!visible || !fb) { |
fdd508a6 VS |
2662 | I915_WRITE(reg, 0); |
2663 | if (INTEL_INFO(dev)->gen >= 4) | |
2664 | I915_WRITE(DSPSURF(plane), 0); | |
2665 | else | |
2666 | I915_WRITE(DSPADDR(plane), 0); | |
2667 | POSTING_READ(reg); | |
2668 | return; | |
2669 | } | |
2670 | ||
c9ba6fad VS |
2671 | obj = intel_fb_obj(fb); |
2672 | if (WARN_ON(obj == NULL)) | |
2673 | return; | |
2674 | ||
2675 | pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); | |
2676 | ||
f45651ba VS |
2677 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
2678 | ||
fdd508a6 | 2679 | dspcntr |= DISPLAY_PLANE_ENABLE; |
f45651ba VS |
2680 | |
2681 | if (INTEL_INFO(dev)->gen < 4) { | |
2682 | if (intel_crtc->pipe == PIPE_B) | |
2683 | dspcntr |= DISPPLANE_SEL_PIPE_B; | |
2684 | ||
2685 | /* pipesrc and dspsize control the size that is scaled from, | |
2686 | * which should always be the user's requested size. | |
2687 | */ | |
2688 | I915_WRITE(DSPSIZE(plane), | |
6e3c9717 ACO |
2689 | ((intel_crtc->config->pipe_src_h - 1) << 16) | |
2690 | (intel_crtc->config->pipe_src_w - 1)); | |
f45651ba | 2691 | I915_WRITE(DSPPOS(plane), 0); |
c14b0485 VS |
2692 | } else if (IS_CHERRYVIEW(dev) && plane == PLANE_B) { |
2693 | I915_WRITE(PRIMSIZE(plane), | |
6e3c9717 ACO |
2694 | ((intel_crtc->config->pipe_src_h - 1) << 16) | |
2695 | (intel_crtc->config->pipe_src_w - 1)); | |
c14b0485 VS |
2696 | I915_WRITE(PRIMPOS(plane), 0); |
2697 | I915_WRITE(PRIMCNSTALPHA(plane), 0); | |
f45651ba | 2698 | } |
81255565 | 2699 | |
57779d06 VS |
2700 | switch (fb->pixel_format) { |
2701 | case DRM_FORMAT_C8: | |
81255565 JB |
2702 | dspcntr |= DISPPLANE_8BPP; |
2703 | break; | |
57779d06 VS |
2704 | case DRM_FORMAT_XRGB1555: |
2705 | case DRM_FORMAT_ARGB1555: | |
2706 | dspcntr |= DISPPLANE_BGRX555; | |
81255565 | 2707 | break; |
57779d06 VS |
2708 | case DRM_FORMAT_RGB565: |
2709 | dspcntr |= DISPPLANE_BGRX565; | |
2710 | break; | |
2711 | case DRM_FORMAT_XRGB8888: | |
2712 | case DRM_FORMAT_ARGB8888: | |
2713 | dspcntr |= DISPPLANE_BGRX888; | |
2714 | break; | |
2715 | case DRM_FORMAT_XBGR8888: | |
2716 | case DRM_FORMAT_ABGR8888: | |
2717 | dspcntr |= DISPPLANE_RGBX888; | |
2718 | break; | |
2719 | case DRM_FORMAT_XRGB2101010: | |
2720 | case DRM_FORMAT_ARGB2101010: | |
2721 | dspcntr |= DISPPLANE_BGRX101010; | |
2722 | break; | |
2723 | case DRM_FORMAT_XBGR2101010: | |
2724 | case DRM_FORMAT_ABGR2101010: | |
2725 | dspcntr |= DISPPLANE_RGBX101010; | |
81255565 JB |
2726 | break; |
2727 | default: | |
baba133a | 2728 | BUG(); |
81255565 | 2729 | } |
57779d06 | 2730 | |
f45651ba VS |
2731 | if (INTEL_INFO(dev)->gen >= 4 && |
2732 | obj->tiling_mode != I915_TILING_NONE) | |
2733 | dspcntr |= DISPPLANE_TILED; | |
81255565 | 2734 | |
de1aa629 VS |
2735 | if (IS_G4X(dev)) |
2736 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; | |
2737 | ||
b9897127 | 2738 | linear_offset = y * fb->pitches[0] + x * pixel_size; |
81255565 | 2739 | |
c2c75131 DV |
2740 | if (INTEL_INFO(dev)->gen >= 4) { |
2741 | intel_crtc->dspaddr_offset = | |
bc752862 | 2742 | intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode, |
b9897127 | 2743 | pixel_size, |
bc752862 | 2744 | fb->pitches[0]); |
c2c75131 DV |
2745 | linear_offset -= intel_crtc->dspaddr_offset; |
2746 | } else { | |
e506a0c6 | 2747 | intel_crtc->dspaddr_offset = linear_offset; |
c2c75131 | 2748 | } |
e506a0c6 | 2749 | |
8e7d688b | 2750 | if (crtc->primary->state->rotation == BIT(DRM_ROTATE_180)) { |
48404c1e SJ |
2751 | dspcntr |= DISPPLANE_ROTATE_180; |
2752 | ||
6e3c9717 ACO |
2753 | x += (intel_crtc->config->pipe_src_w - 1); |
2754 | y += (intel_crtc->config->pipe_src_h - 1); | |
48404c1e SJ |
2755 | |
2756 | /* Finding the last pixel of the last line of the display | |
2757 | data and adding to linear_offset*/ | |
2758 | linear_offset += | |
6e3c9717 ACO |
2759 | (intel_crtc->config->pipe_src_h - 1) * fb->pitches[0] + |
2760 | (intel_crtc->config->pipe_src_w - 1) * pixel_size; | |
48404c1e SJ |
2761 | } |
2762 | ||
2763 | I915_WRITE(reg, dspcntr); | |
2764 | ||
01f2c773 | 2765 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
a6c45cf0 | 2766 | if (INTEL_INFO(dev)->gen >= 4) { |
85ba7b7d DV |
2767 | I915_WRITE(DSPSURF(plane), |
2768 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); | |
5eddb70b | 2769 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); |
e506a0c6 | 2770 | I915_WRITE(DSPLINOFF(plane), linear_offset); |
5eddb70b | 2771 | } else |
f343c5f6 | 2772 | I915_WRITE(DSPADDR(plane), i915_gem_obj_ggtt_offset(obj) + linear_offset); |
5eddb70b | 2773 | POSTING_READ(reg); |
17638cd6 JB |
2774 | } |
2775 | ||
29b9bde6 DV |
2776 | static void ironlake_update_primary_plane(struct drm_crtc *crtc, |
2777 | struct drm_framebuffer *fb, | |
2778 | int x, int y) | |
17638cd6 JB |
2779 | { |
2780 | struct drm_device *dev = crtc->dev; | |
2781 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2782 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
b70709a6 ML |
2783 | struct drm_plane *primary = crtc->primary; |
2784 | bool visible = to_intel_plane_state(primary->state)->visible; | |
c9ba6fad | 2785 | struct drm_i915_gem_object *obj; |
17638cd6 | 2786 | int plane = intel_crtc->plane; |
e506a0c6 | 2787 | unsigned long linear_offset; |
17638cd6 | 2788 | u32 dspcntr; |
f45651ba | 2789 | u32 reg = DSPCNTR(plane); |
48404c1e | 2790 | int pixel_size; |
f45651ba | 2791 | |
b70709a6 | 2792 | if (!visible || !fb) { |
fdd508a6 VS |
2793 | I915_WRITE(reg, 0); |
2794 | I915_WRITE(DSPSURF(plane), 0); | |
2795 | POSTING_READ(reg); | |
2796 | return; | |
2797 | } | |
2798 | ||
c9ba6fad VS |
2799 | obj = intel_fb_obj(fb); |
2800 | if (WARN_ON(obj == NULL)) | |
2801 | return; | |
2802 | ||
2803 | pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); | |
2804 | ||
f45651ba VS |
2805 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
2806 | ||
fdd508a6 | 2807 | dspcntr |= DISPLAY_PLANE_ENABLE; |
f45651ba VS |
2808 | |
2809 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) | |
2810 | dspcntr |= DISPPLANE_PIPE_CSC_ENABLE; | |
17638cd6 | 2811 | |
57779d06 VS |
2812 | switch (fb->pixel_format) { |
2813 | case DRM_FORMAT_C8: | |
17638cd6 JB |
2814 | dspcntr |= DISPPLANE_8BPP; |
2815 | break; | |
57779d06 VS |
2816 | case DRM_FORMAT_RGB565: |
2817 | dspcntr |= DISPPLANE_BGRX565; | |
17638cd6 | 2818 | break; |
57779d06 VS |
2819 | case DRM_FORMAT_XRGB8888: |
2820 | case DRM_FORMAT_ARGB8888: | |
2821 | dspcntr |= DISPPLANE_BGRX888; | |
2822 | break; | |
2823 | case DRM_FORMAT_XBGR8888: | |
2824 | case DRM_FORMAT_ABGR8888: | |
2825 | dspcntr |= DISPPLANE_RGBX888; | |
2826 | break; | |
2827 | case DRM_FORMAT_XRGB2101010: | |
2828 | case DRM_FORMAT_ARGB2101010: | |
2829 | dspcntr |= DISPPLANE_BGRX101010; | |
2830 | break; | |
2831 | case DRM_FORMAT_XBGR2101010: | |
2832 | case DRM_FORMAT_ABGR2101010: | |
2833 | dspcntr |= DISPPLANE_RGBX101010; | |
17638cd6 JB |
2834 | break; |
2835 | default: | |
baba133a | 2836 | BUG(); |
17638cd6 JB |
2837 | } |
2838 | ||
2839 | if (obj->tiling_mode != I915_TILING_NONE) | |
2840 | dspcntr |= DISPPLANE_TILED; | |
17638cd6 | 2841 | |
f45651ba | 2842 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) |
1f5d76db | 2843 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; |
17638cd6 | 2844 | |
b9897127 | 2845 | linear_offset = y * fb->pitches[0] + x * pixel_size; |
c2c75131 | 2846 | intel_crtc->dspaddr_offset = |
bc752862 | 2847 | intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode, |
b9897127 | 2848 | pixel_size, |
bc752862 | 2849 | fb->pitches[0]); |
c2c75131 | 2850 | linear_offset -= intel_crtc->dspaddr_offset; |
8e7d688b | 2851 | if (crtc->primary->state->rotation == BIT(DRM_ROTATE_180)) { |
48404c1e SJ |
2852 | dspcntr |= DISPPLANE_ROTATE_180; |
2853 | ||
2854 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) { | |
6e3c9717 ACO |
2855 | x += (intel_crtc->config->pipe_src_w - 1); |
2856 | y += (intel_crtc->config->pipe_src_h - 1); | |
48404c1e SJ |
2857 | |
2858 | /* Finding the last pixel of the last line of the display | |
2859 | data and adding to linear_offset*/ | |
2860 | linear_offset += | |
6e3c9717 ACO |
2861 | (intel_crtc->config->pipe_src_h - 1) * fb->pitches[0] + |
2862 | (intel_crtc->config->pipe_src_w - 1) * pixel_size; | |
48404c1e SJ |
2863 | } |
2864 | } | |
2865 | ||
2866 | I915_WRITE(reg, dspcntr); | |
17638cd6 | 2867 | |
01f2c773 | 2868 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
85ba7b7d DV |
2869 | I915_WRITE(DSPSURF(plane), |
2870 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); | |
b3dc685e | 2871 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
bc1c91eb DL |
2872 | I915_WRITE(DSPOFFSET(plane), (y << 16) | x); |
2873 | } else { | |
2874 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); | |
2875 | I915_WRITE(DSPLINOFF(plane), linear_offset); | |
2876 | } | |
17638cd6 | 2877 | POSTING_READ(reg); |
17638cd6 JB |
2878 | } |
2879 | ||
b321803d DL |
2880 | u32 intel_fb_stride_alignment(struct drm_device *dev, uint64_t fb_modifier, |
2881 | uint32_t pixel_format) | |
2882 | { | |
2883 | u32 bits_per_pixel = drm_format_plane_cpp(pixel_format, 0) * 8; | |
2884 | ||
2885 | /* | |
2886 | * The stride is either expressed as a multiple of 64 bytes | |
2887 | * chunks for linear buffers or in number of tiles for tiled | |
2888 | * buffers. | |
2889 | */ | |
2890 | switch (fb_modifier) { | |
2891 | case DRM_FORMAT_MOD_NONE: | |
2892 | return 64; | |
2893 | case I915_FORMAT_MOD_X_TILED: | |
2894 | if (INTEL_INFO(dev)->gen == 2) | |
2895 | return 128; | |
2896 | return 512; | |
2897 | case I915_FORMAT_MOD_Y_TILED: | |
2898 | /* No need to check for old gens and Y tiling since this is | |
2899 | * about the display engine and those will be blocked before | |
2900 | * we get here. | |
2901 | */ | |
2902 | return 128; | |
2903 | case I915_FORMAT_MOD_Yf_TILED: | |
2904 | if (bits_per_pixel == 8) | |
2905 | return 64; | |
2906 | else | |
2907 | return 128; | |
2908 | default: | |
2909 | MISSING_CASE(fb_modifier); | |
2910 | return 64; | |
2911 | } | |
2912 | } | |
2913 | ||
121920fa TU |
2914 | unsigned long intel_plane_obj_offset(struct intel_plane *intel_plane, |
2915 | struct drm_i915_gem_object *obj) | |
2916 | { | |
9abc4648 | 2917 | const struct i915_ggtt_view *view = &i915_ggtt_view_normal; |
121920fa TU |
2918 | |
2919 | if (intel_rotation_90_or_270(intel_plane->base.state->rotation)) | |
9abc4648 | 2920 | view = &i915_ggtt_view_rotated; |
121920fa TU |
2921 | |
2922 | return i915_gem_obj_ggtt_offset_view(obj, view); | |
2923 | } | |
2924 | ||
a1b2278e CK |
2925 | /* |
2926 | * This function detaches (aka. unbinds) unused scalers in hardware | |
2927 | */ | |
2928 | void skl_detach_scalers(struct intel_crtc *intel_crtc) | |
2929 | { | |
2930 | struct drm_device *dev; | |
2931 | struct drm_i915_private *dev_priv; | |
2932 | struct intel_crtc_scaler_state *scaler_state; | |
2933 | int i; | |
2934 | ||
2935 | if (!intel_crtc || !intel_crtc->config) | |
2936 | return; | |
2937 | ||
2938 | dev = intel_crtc->base.dev; | |
2939 | dev_priv = dev->dev_private; | |
2940 | scaler_state = &intel_crtc->config->scaler_state; | |
2941 | ||
2942 | /* loop through and disable scalers that aren't in use */ | |
2943 | for (i = 0; i < intel_crtc->num_scalers; i++) { | |
2944 | if (!scaler_state->scalers[i].in_use) { | |
2945 | I915_WRITE(SKL_PS_CTRL(intel_crtc->pipe, i), 0); | |
2946 | I915_WRITE(SKL_PS_WIN_POS(intel_crtc->pipe, i), 0); | |
2947 | I915_WRITE(SKL_PS_WIN_SZ(intel_crtc->pipe, i), 0); | |
2948 | DRM_DEBUG_KMS("CRTC:%d Disabled scaler id %u.%u\n", | |
2949 | intel_crtc->base.base.id, intel_crtc->pipe, i); | |
2950 | } | |
2951 | } | |
2952 | } | |
2953 | ||
6156a456 | 2954 | u32 skl_plane_ctl_format(uint32_t pixel_format) |
70d21f0e | 2955 | { |
65438bcc | 2956 | u32 format = 0; |
b250a4c4 | 2957 | |
6156a456 | 2958 | switch (pixel_format) { |
d161cf7a DL |
2959 | case DRM_FORMAT_C8: |
2960 | format = PLANE_CTL_FORMAT_INDEXED; | |
2961 | break; | |
70d21f0e | 2962 | case DRM_FORMAT_RGB565: |
65438bcc | 2963 | format = PLANE_CTL_FORMAT_RGB_565; |
f75fb42a | 2964 | break; |
70d21f0e | 2965 | case DRM_FORMAT_XBGR8888: |
65438bcc | 2966 | format = PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX; |
6156a456 CK |
2967 | break; |
2968 | case DRM_FORMAT_XRGB8888: | |
65438bcc | 2969 | format = PLANE_CTL_FORMAT_XRGB_8888; |
70d21f0e | 2970 | break; |
6156a456 CK |
2971 | /* |
2972 | * XXX: For ARBG/ABGR formats we default to expecting scanout buffers | |
2973 | * to be already pre-multiplied. We need to add a knob (or a different | |
2974 | * DRM_FORMAT) for user-space to configure that. | |
2975 | */ | |
f75fb42a | 2976 | case DRM_FORMAT_ABGR8888: |
65438bcc | 2977 | format = PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX | |
6156a456 CK |
2978 | PLANE_CTL_ALPHA_SW_PREMULTIPLY; |
2979 | break; | |
2980 | case DRM_FORMAT_ARGB8888: | |
65438bcc | 2981 | format = PLANE_CTL_FORMAT_XRGB_8888 | |
6156a456 | 2982 | PLANE_CTL_ALPHA_SW_PREMULTIPLY; |
f75fb42a | 2983 | break; |
70d21f0e | 2984 | case DRM_FORMAT_XRGB2101010: |
65438bcc | 2985 | format = PLANE_CTL_FORMAT_XRGB_2101010; |
70d21f0e DL |
2986 | break; |
2987 | case DRM_FORMAT_XBGR2101010: | |
65438bcc | 2988 | format = PLANE_CTL_ORDER_RGBX | PLANE_CTL_FORMAT_XRGB_2101010; |
6156a456 CK |
2989 | break; |
2990 | case DRM_FORMAT_YUYV: | |
65438bcc | 2991 | format = PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YUYV; |
6156a456 CK |
2992 | break; |
2993 | case DRM_FORMAT_YVYU: | |
65438bcc | 2994 | format = PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YVYU; |
6156a456 CK |
2995 | break; |
2996 | case DRM_FORMAT_UYVY: | |
65438bcc | 2997 | format = PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_UYVY; |
6156a456 CK |
2998 | break; |
2999 | case DRM_FORMAT_VYUY: | |
65438bcc | 3000 | format = PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_VYUY; |
70d21f0e DL |
3001 | break; |
3002 | default: | |
4249eeef | 3003 | MISSING_CASE(pixel_format); |
70d21f0e | 3004 | } |
8cfcba41 | 3005 | |
65438bcc | 3006 | return format; |
6156a456 | 3007 | } |
70d21f0e | 3008 | |
6156a456 CK |
3009 | u32 skl_plane_ctl_tiling(uint64_t fb_modifier) |
3010 | { | |
3011 | u32 plane_ctl_tiling = 0; | |
b250a4c4 | 3012 | |
6156a456 | 3013 | switch (fb_modifier) { |
30af77c4 | 3014 | case DRM_FORMAT_MOD_NONE: |
70d21f0e | 3015 | break; |
30af77c4 | 3016 | case I915_FORMAT_MOD_X_TILED: |
6156a456 | 3017 | plane_ctl_tiling = PLANE_CTL_TILED_X; |
b321803d DL |
3018 | break; |
3019 | case I915_FORMAT_MOD_Y_TILED: | |
6156a456 | 3020 | plane_ctl_tiling = PLANE_CTL_TILED_Y; |
b321803d DL |
3021 | break; |
3022 | case I915_FORMAT_MOD_Yf_TILED: | |
6156a456 | 3023 | plane_ctl_tiling = PLANE_CTL_TILED_YF; |
70d21f0e DL |
3024 | break; |
3025 | default: | |
6156a456 | 3026 | MISSING_CASE(fb_modifier); |
70d21f0e | 3027 | } |
8cfcba41 | 3028 | |
6156a456 CK |
3029 | return plane_ctl_tiling; |
3030 | } | |
70d21f0e | 3031 | |
6156a456 CK |
3032 | u32 skl_plane_ctl_rotation(unsigned int rotation) |
3033 | { | |
3034 | u32 plane_ctl_rotation = 0; | |
b250a4c4 | 3035 | |
3b7a5119 | 3036 | switch (rotation) { |
6156a456 CK |
3037 | case BIT(DRM_ROTATE_0): |
3038 | break; | |
3b7a5119 | 3039 | case BIT(DRM_ROTATE_90): |
6156a456 | 3040 | plane_ctl_rotation = PLANE_CTL_ROTATE_90; |
3b7a5119 | 3041 | break; |
3b7a5119 | 3042 | case BIT(DRM_ROTATE_180): |
6156a456 | 3043 | plane_ctl_rotation = PLANE_CTL_ROTATE_180; |
3b7a5119 | 3044 | break; |
3b7a5119 | 3045 | case BIT(DRM_ROTATE_270): |
6156a456 | 3046 | plane_ctl_rotation = PLANE_CTL_ROTATE_270; |
3b7a5119 | 3047 | break; |
6156a456 CK |
3048 | default: |
3049 | MISSING_CASE(rotation); | |
3050 | } | |
3051 | ||
3052 | return plane_ctl_rotation; | |
3053 | } | |
3054 | ||
3055 | static void skylake_update_primary_plane(struct drm_crtc *crtc, | |
3056 | struct drm_framebuffer *fb, | |
3057 | int x, int y) | |
3058 | { | |
3059 | struct drm_device *dev = crtc->dev; | |
3060 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3061 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
b70709a6 ML |
3062 | struct drm_plane *plane = crtc->primary; |
3063 | bool visible = to_intel_plane_state(plane->state)->visible; | |
6156a456 CK |
3064 | struct drm_i915_gem_object *obj; |
3065 | int pipe = intel_crtc->pipe; | |
3066 | u32 plane_ctl, stride_div, stride; | |
3067 | u32 tile_height, plane_offset, plane_size; | |
3068 | unsigned int rotation; | |
3069 | int x_offset, y_offset; | |
3070 | unsigned long surf_addr; | |
6156a456 CK |
3071 | struct intel_crtc_state *crtc_state = intel_crtc->config; |
3072 | struct intel_plane_state *plane_state; | |
3073 | int src_x = 0, src_y = 0, src_w = 0, src_h = 0; | |
3074 | int dst_x = 0, dst_y = 0, dst_w = 0, dst_h = 0; | |
3075 | int scaler_id = -1; | |
3076 | ||
6156a456 CK |
3077 | plane_state = to_intel_plane_state(plane->state); |
3078 | ||
b70709a6 | 3079 | if (!visible || !fb) { |
6156a456 CK |
3080 | I915_WRITE(PLANE_CTL(pipe, 0), 0); |
3081 | I915_WRITE(PLANE_SURF(pipe, 0), 0); | |
3082 | POSTING_READ(PLANE_CTL(pipe, 0)); | |
3083 | return; | |
3b7a5119 | 3084 | } |
70d21f0e | 3085 | |
6156a456 CK |
3086 | plane_ctl = PLANE_CTL_ENABLE | |
3087 | PLANE_CTL_PIPE_GAMMA_ENABLE | | |
3088 | PLANE_CTL_PIPE_CSC_ENABLE; | |
3089 | ||
3090 | plane_ctl |= skl_plane_ctl_format(fb->pixel_format); | |
3091 | plane_ctl |= skl_plane_ctl_tiling(fb->modifier[0]); | |
3092 | plane_ctl |= PLANE_CTL_PLANE_GAMMA_DISABLE; | |
3093 | ||
3094 | rotation = plane->state->rotation; | |
3095 | plane_ctl |= skl_plane_ctl_rotation(rotation); | |
3096 | ||
b321803d DL |
3097 | obj = intel_fb_obj(fb); |
3098 | stride_div = intel_fb_stride_alignment(dev, fb->modifier[0], | |
3099 | fb->pixel_format); | |
3b7a5119 SJ |
3100 | surf_addr = intel_plane_obj_offset(to_intel_plane(plane), obj); |
3101 | ||
6156a456 CK |
3102 | /* |
3103 | * FIXME: intel_plane_state->src, dst aren't set when transitional | |
3104 | * update_plane helpers are called from legacy paths. | |
3105 | * Once full atomic crtc is available, below check can be avoided. | |
3106 | */ | |
3107 | if (drm_rect_width(&plane_state->src)) { | |
3108 | scaler_id = plane_state->scaler_id; | |
3109 | src_x = plane_state->src.x1 >> 16; | |
3110 | src_y = plane_state->src.y1 >> 16; | |
3111 | src_w = drm_rect_width(&plane_state->src) >> 16; | |
3112 | src_h = drm_rect_height(&plane_state->src) >> 16; | |
3113 | dst_x = plane_state->dst.x1; | |
3114 | dst_y = plane_state->dst.y1; | |
3115 | dst_w = drm_rect_width(&plane_state->dst); | |
3116 | dst_h = drm_rect_height(&plane_state->dst); | |
3117 | ||
3118 | WARN_ON(x != src_x || y != src_y); | |
3119 | } else { | |
3120 | src_w = intel_crtc->config->pipe_src_w; | |
3121 | src_h = intel_crtc->config->pipe_src_h; | |
3122 | } | |
3123 | ||
3b7a5119 SJ |
3124 | if (intel_rotation_90_or_270(rotation)) { |
3125 | /* stride = Surface height in tiles */ | |
2614f17d | 3126 | tile_height = intel_tile_height(dev, fb->pixel_format, |
3b7a5119 SJ |
3127 | fb->modifier[0]); |
3128 | stride = DIV_ROUND_UP(fb->height, tile_height); | |
6156a456 | 3129 | x_offset = stride * tile_height - y - src_h; |
3b7a5119 | 3130 | y_offset = x; |
6156a456 | 3131 | plane_size = (src_w - 1) << 16 | (src_h - 1); |
3b7a5119 SJ |
3132 | } else { |
3133 | stride = fb->pitches[0] / stride_div; | |
3134 | x_offset = x; | |
3135 | y_offset = y; | |
6156a456 | 3136 | plane_size = (src_h - 1) << 16 | (src_w - 1); |
3b7a5119 SJ |
3137 | } |
3138 | plane_offset = y_offset << 16 | x_offset; | |
b321803d | 3139 | |
70d21f0e | 3140 | I915_WRITE(PLANE_CTL(pipe, 0), plane_ctl); |
3b7a5119 SJ |
3141 | I915_WRITE(PLANE_OFFSET(pipe, 0), plane_offset); |
3142 | I915_WRITE(PLANE_SIZE(pipe, 0), plane_size); | |
3143 | I915_WRITE(PLANE_STRIDE(pipe, 0), stride); | |
6156a456 CK |
3144 | |
3145 | if (scaler_id >= 0) { | |
3146 | uint32_t ps_ctrl = 0; | |
3147 | ||
3148 | WARN_ON(!dst_w || !dst_h); | |
3149 | ps_ctrl = PS_SCALER_EN | PS_PLANE_SEL(0) | | |
3150 | crtc_state->scaler_state.scalers[scaler_id].mode; | |
3151 | I915_WRITE(SKL_PS_CTRL(pipe, scaler_id), ps_ctrl); | |
3152 | I915_WRITE(SKL_PS_PWR_GATE(pipe, scaler_id), 0); | |
3153 | I915_WRITE(SKL_PS_WIN_POS(pipe, scaler_id), (dst_x << 16) | dst_y); | |
3154 | I915_WRITE(SKL_PS_WIN_SZ(pipe, scaler_id), (dst_w << 16) | dst_h); | |
3155 | I915_WRITE(PLANE_POS(pipe, 0), 0); | |
3156 | } else { | |
3157 | I915_WRITE(PLANE_POS(pipe, 0), (dst_y << 16) | dst_x); | |
3158 | } | |
3159 | ||
121920fa | 3160 | I915_WRITE(PLANE_SURF(pipe, 0), surf_addr); |
70d21f0e DL |
3161 | |
3162 | POSTING_READ(PLANE_SURF(pipe, 0)); | |
3163 | } | |
3164 | ||
17638cd6 JB |
3165 | /* Assume fb object is pinned & idle & fenced and just update base pointers */ |
3166 | static int | |
3167 | intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, | |
3168 | int x, int y, enum mode_set_atomic state) | |
3169 | { | |
3170 | struct drm_device *dev = crtc->dev; | |
3171 | struct drm_i915_private *dev_priv = dev->dev_private; | |
17638cd6 | 3172 | |
6b8e6ed0 CW |
3173 | if (dev_priv->display.disable_fbc) |
3174 | dev_priv->display.disable_fbc(dev); | |
81255565 | 3175 | |
29b9bde6 DV |
3176 | dev_priv->display.update_primary_plane(crtc, fb, x, y); |
3177 | ||
3178 | return 0; | |
81255565 JB |
3179 | } |
3180 | ||
7514747d | 3181 | static void intel_complete_page_flips(struct drm_device *dev) |
96a02917 | 3182 | { |
96a02917 VS |
3183 | struct drm_crtc *crtc; |
3184 | ||
70e1e0ec | 3185 | for_each_crtc(dev, crtc) { |
96a02917 VS |
3186 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3187 | enum plane plane = intel_crtc->plane; | |
3188 | ||
3189 | intel_prepare_page_flip(dev, plane); | |
3190 | intel_finish_page_flip_plane(dev, plane); | |
3191 | } | |
7514747d VS |
3192 | } |
3193 | ||
3194 | static void intel_update_primary_planes(struct drm_device *dev) | |
3195 | { | |
3196 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3197 | struct drm_crtc *crtc; | |
96a02917 | 3198 | |
70e1e0ec | 3199 | for_each_crtc(dev, crtc) { |
96a02917 VS |
3200 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3201 | ||
51fd371b | 3202 | drm_modeset_lock(&crtc->mutex, NULL); |
947fdaad CW |
3203 | /* |
3204 | * FIXME: Once we have proper support for primary planes (and | |
3205 | * disabling them without disabling the entire crtc) allow again | |
66e514c1 | 3206 | * a NULL crtc->primary->fb. |
947fdaad | 3207 | */ |
f4510a27 | 3208 | if (intel_crtc->active && crtc->primary->fb) |
262ca2b0 | 3209 | dev_priv->display.update_primary_plane(crtc, |
66e514c1 | 3210 | crtc->primary->fb, |
262ca2b0 MR |
3211 | crtc->x, |
3212 | crtc->y); | |
51fd371b | 3213 | drm_modeset_unlock(&crtc->mutex); |
96a02917 VS |
3214 | } |
3215 | } | |
3216 | ||
ce22dba9 ML |
3217 | void intel_crtc_reset(struct intel_crtc *crtc) |
3218 | { | |
3219 | struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); | |
3220 | ||
3221 | if (!crtc->active) | |
3222 | return; | |
3223 | ||
3224 | intel_crtc_disable_planes(&crtc->base); | |
3225 | dev_priv->display.crtc_disable(&crtc->base); | |
3226 | dev_priv->display.crtc_enable(&crtc->base); | |
3227 | intel_crtc_enable_planes(&crtc->base); | |
3228 | } | |
3229 | ||
7514747d VS |
3230 | void intel_prepare_reset(struct drm_device *dev) |
3231 | { | |
f98ce92f VS |
3232 | struct drm_i915_private *dev_priv = to_i915(dev); |
3233 | struct intel_crtc *crtc; | |
3234 | ||
7514747d VS |
3235 | /* no reset support for gen2 */ |
3236 | if (IS_GEN2(dev)) | |
3237 | return; | |
3238 | ||
3239 | /* reset doesn't touch the display */ | |
3240 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) | |
3241 | return; | |
3242 | ||
3243 | drm_modeset_lock_all(dev); | |
f98ce92f VS |
3244 | |
3245 | /* | |
3246 | * Disabling the crtcs gracefully seems nicer. Also the | |
3247 | * g33 docs say we should at least disable all the planes. | |
3248 | */ | |
3249 | for_each_intel_crtc(dev, crtc) { | |
ce22dba9 ML |
3250 | if (!crtc->active) |
3251 | continue; | |
3252 | ||
3253 | intel_crtc_disable_planes(&crtc->base); | |
3254 | dev_priv->display.crtc_disable(&crtc->base); | |
f98ce92f | 3255 | } |
7514747d VS |
3256 | } |
3257 | ||
3258 | void intel_finish_reset(struct drm_device *dev) | |
3259 | { | |
3260 | struct drm_i915_private *dev_priv = to_i915(dev); | |
3261 | ||
3262 | /* | |
3263 | * Flips in the rings will be nuked by the reset, | |
3264 | * so complete all pending flips so that user space | |
3265 | * will get its events and not get stuck. | |
3266 | */ | |
3267 | intel_complete_page_flips(dev); | |
3268 | ||
3269 | /* no reset support for gen2 */ | |
3270 | if (IS_GEN2(dev)) | |
3271 | return; | |
3272 | ||
3273 | /* reset doesn't touch the display */ | |
3274 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) { | |
3275 | /* | |
3276 | * Flips in the rings have been nuked by the reset, | |
3277 | * so update the base address of all primary | |
3278 | * planes to the the last fb to make sure we're | |
3279 | * showing the correct fb after a reset. | |
3280 | */ | |
3281 | intel_update_primary_planes(dev); | |
3282 | return; | |
3283 | } | |
3284 | ||
3285 | /* | |
3286 | * The display has been reset as well, | |
3287 | * so need a full re-initialization. | |
3288 | */ | |
3289 | intel_runtime_pm_disable_interrupts(dev_priv); | |
3290 | intel_runtime_pm_enable_interrupts(dev_priv); | |
3291 | ||
3292 | intel_modeset_init_hw(dev); | |
3293 | ||
3294 | spin_lock_irq(&dev_priv->irq_lock); | |
3295 | if (dev_priv->display.hpd_irq_setup) | |
3296 | dev_priv->display.hpd_irq_setup(dev); | |
3297 | spin_unlock_irq(&dev_priv->irq_lock); | |
3298 | ||
3299 | intel_modeset_setup_hw_state(dev, true); | |
3300 | ||
3301 | intel_hpd_init(dev_priv); | |
3302 | ||
3303 | drm_modeset_unlock_all(dev); | |
3304 | } | |
3305 | ||
2e2f351d | 3306 | static void |
14667a4b CW |
3307 | intel_finish_fb(struct drm_framebuffer *old_fb) |
3308 | { | |
2ff8fde1 | 3309 | struct drm_i915_gem_object *obj = intel_fb_obj(old_fb); |
2e2f351d | 3310 | struct drm_i915_private *dev_priv = to_i915(obj->base.dev); |
14667a4b CW |
3311 | bool was_interruptible = dev_priv->mm.interruptible; |
3312 | int ret; | |
3313 | ||
14667a4b CW |
3314 | /* Big Hammer, we also need to ensure that any pending |
3315 | * MI_WAIT_FOR_EVENT inside a user batch buffer on the | |
3316 | * current scanout is retired before unpinning the old | |
2e2f351d CW |
3317 | * framebuffer. Note that we rely on userspace rendering |
3318 | * into the buffer attached to the pipe they are waiting | |
3319 | * on. If not, userspace generates a GPU hang with IPEHR | |
3320 | * point to the MI_WAIT_FOR_EVENT. | |
14667a4b CW |
3321 | * |
3322 | * This should only fail upon a hung GPU, in which case we | |
3323 | * can safely continue. | |
3324 | */ | |
3325 | dev_priv->mm.interruptible = false; | |
2e2f351d | 3326 | ret = i915_gem_object_wait_rendering(obj, true); |
14667a4b CW |
3327 | dev_priv->mm.interruptible = was_interruptible; |
3328 | ||
2e2f351d | 3329 | WARN_ON(ret); |
14667a4b CW |
3330 | } |
3331 | ||
7d5e3799 CW |
3332 | static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) |
3333 | { | |
3334 | struct drm_device *dev = crtc->dev; | |
3335 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3336 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
7d5e3799 CW |
3337 | bool pending; |
3338 | ||
3339 | if (i915_reset_in_progress(&dev_priv->gpu_error) || | |
3340 | intel_crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter)) | |
3341 | return false; | |
3342 | ||
5e2d7afc | 3343 | spin_lock_irq(&dev->event_lock); |
7d5e3799 | 3344 | pending = to_intel_crtc(crtc)->unpin_work != NULL; |
5e2d7afc | 3345 | spin_unlock_irq(&dev->event_lock); |
7d5e3799 CW |
3346 | |
3347 | return pending; | |
3348 | } | |
3349 | ||
e30e8f75 GP |
3350 | static void intel_update_pipe_size(struct intel_crtc *crtc) |
3351 | { | |
3352 | struct drm_device *dev = crtc->base.dev; | |
3353 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3354 | const struct drm_display_mode *adjusted_mode; | |
3355 | ||
3356 | if (!i915.fastboot) | |
3357 | return; | |
3358 | ||
3359 | /* | |
3360 | * Update pipe size and adjust fitter if needed: the reason for this is | |
3361 | * that in compute_mode_changes we check the native mode (not the pfit | |
3362 | * mode) to see if we can flip rather than do a full mode set. In the | |
3363 | * fastboot case, we'll flip, but if we don't update the pipesrc and | |
3364 | * pfit state, we'll end up with a big fb scanned out into the wrong | |
3365 | * sized surface. | |
3366 | * | |
3367 | * To fix this properly, we need to hoist the checks up into | |
3368 | * compute_mode_changes (or above), check the actual pfit state and | |
3369 | * whether the platform allows pfit disable with pipe active, and only | |
3370 | * then update the pipesrc and pfit state, even on the flip path. | |
3371 | */ | |
3372 | ||
6e3c9717 | 3373 | adjusted_mode = &crtc->config->base.adjusted_mode; |
e30e8f75 GP |
3374 | |
3375 | I915_WRITE(PIPESRC(crtc->pipe), | |
3376 | ((adjusted_mode->crtc_hdisplay - 1) << 16) | | |
3377 | (adjusted_mode->crtc_vdisplay - 1)); | |
6e3c9717 | 3378 | if (!crtc->config->pch_pfit.enabled && |
409ee761 ACO |
3379 | (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) || |
3380 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) { | |
e30e8f75 GP |
3381 | I915_WRITE(PF_CTL(crtc->pipe), 0); |
3382 | I915_WRITE(PF_WIN_POS(crtc->pipe), 0); | |
3383 | I915_WRITE(PF_WIN_SZ(crtc->pipe), 0); | |
3384 | } | |
6e3c9717 ACO |
3385 | crtc->config->pipe_src_w = adjusted_mode->crtc_hdisplay; |
3386 | crtc->config->pipe_src_h = adjusted_mode->crtc_vdisplay; | |
e30e8f75 GP |
3387 | } |
3388 | ||
5e84e1a4 ZW |
3389 | static void intel_fdi_normal_train(struct drm_crtc *crtc) |
3390 | { | |
3391 | struct drm_device *dev = crtc->dev; | |
3392 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3393 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3394 | int pipe = intel_crtc->pipe; | |
3395 | u32 reg, temp; | |
3396 | ||
3397 | /* enable normal train */ | |
3398 | reg = FDI_TX_CTL(pipe); | |
3399 | temp = I915_READ(reg); | |
61e499bf | 3400 | if (IS_IVYBRIDGE(dev)) { |
357555c0 JB |
3401 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
3402 | temp |= FDI_LINK_TRAIN_NONE_IVB | FDI_TX_ENHANCE_FRAME_ENABLE; | |
61e499bf KP |
3403 | } else { |
3404 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3405 | temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE; | |
357555c0 | 3406 | } |
5e84e1a4 ZW |
3407 | I915_WRITE(reg, temp); |
3408 | ||
3409 | reg = FDI_RX_CTL(pipe); | |
3410 | temp = I915_READ(reg); | |
3411 | if (HAS_PCH_CPT(dev)) { | |
3412 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3413 | temp |= FDI_LINK_TRAIN_NORMAL_CPT; | |
3414 | } else { | |
3415 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3416 | temp |= FDI_LINK_TRAIN_NONE; | |
3417 | } | |
3418 | I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE); | |
3419 | ||
3420 | /* wait one idle pattern time */ | |
3421 | POSTING_READ(reg); | |
3422 | udelay(1000); | |
357555c0 JB |
3423 | |
3424 | /* IVB wants error correction enabled */ | |
3425 | if (IS_IVYBRIDGE(dev)) | |
3426 | I915_WRITE(reg, I915_READ(reg) | FDI_FS_ERRC_ENABLE | | |
3427 | FDI_FE_ERRC_ENABLE); | |
5e84e1a4 ZW |
3428 | } |
3429 | ||
8db9d77b ZW |
3430 | /* The FDI link training functions for ILK/Ibexpeak. */ |
3431 | static void ironlake_fdi_link_train(struct drm_crtc *crtc) | |
3432 | { | |
3433 | struct drm_device *dev = crtc->dev; | |
3434 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3435 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3436 | int pipe = intel_crtc->pipe; | |
5eddb70b | 3437 | u32 reg, temp, tries; |
8db9d77b | 3438 | |
1c8562f6 | 3439 | /* FDI needs bits from pipe first */ |
0fc932b8 | 3440 | assert_pipe_enabled(dev_priv, pipe); |
0fc932b8 | 3441 | |
e1a44743 AJ |
3442 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3443 | for train result */ | |
5eddb70b CW |
3444 | reg = FDI_RX_IMR(pipe); |
3445 | temp = I915_READ(reg); | |
e1a44743 AJ |
3446 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3447 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
3448 | I915_WRITE(reg, temp); |
3449 | I915_READ(reg); | |
e1a44743 AJ |
3450 | udelay(150); |
3451 | ||
8db9d77b | 3452 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
3453 | reg = FDI_TX_CTL(pipe); |
3454 | temp = I915_READ(reg); | |
627eb5a3 | 3455 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3456 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
8db9d77b ZW |
3457 | temp &= ~FDI_LINK_TRAIN_NONE; |
3458 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b | 3459 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 3460 | |
5eddb70b CW |
3461 | reg = FDI_RX_CTL(pipe); |
3462 | temp = I915_READ(reg); | |
8db9d77b ZW |
3463 | temp &= ~FDI_LINK_TRAIN_NONE; |
3464 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b CW |
3465 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3466 | ||
3467 | POSTING_READ(reg); | |
8db9d77b ZW |
3468 | udelay(150); |
3469 | ||
5b2adf89 | 3470 | /* Ironlake workaround, enable clock pointer after FDI enable*/ |
8f5718a6 DV |
3471 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
3472 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR | | |
3473 | FDI_RX_PHASE_SYNC_POINTER_EN); | |
5b2adf89 | 3474 | |
5eddb70b | 3475 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 3476 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 3477 | temp = I915_READ(reg); |
8db9d77b ZW |
3478 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3479 | ||
3480 | if ((temp & FDI_RX_BIT_LOCK)) { | |
3481 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
5eddb70b | 3482 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
8db9d77b ZW |
3483 | break; |
3484 | } | |
8db9d77b | 3485 | } |
e1a44743 | 3486 | if (tries == 5) |
5eddb70b | 3487 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
3488 | |
3489 | /* Train 2 */ | |
5eddb70b CW |
3490 | reg = FDI_TX_CTL(pipe); |
3491 | temp = I915_READ(reg); | |
8db9d77b ZW |
3492 | temp &= ~FDI_LINK_TRAIN_NONE; |
3493 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 3494 | I915_WRITE(reg, temp); |
8db9d77b | 3495 | |
5eddb70b CW |
3496 | reg = FDI_RX_CTL(pipe); |
3497 | temp = I915_READ(reg); | |
8db9d77b ZW |
3498 | temp &= ~FDI_LINK_TRAIN_NONE; |
3499 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 3500 | I915_WRITE(reg, temp); |
8db9d77b | 3501 | |
5eddb70b CW |
3502 | POSTING_READ(reg); |
3503 | udelay(150); | |
8db9d77b | 3504 | |
5eddb70b | 3505 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 3506 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 3507 | temp = I915_READ(reg); |
8db9d77b ZW |
3508 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3509 | ||
3510 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
5eddb70b | 3511 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
8db9d77b ZW |
3512 | DRM_DEBUG_KMS("FDI train 2 done.\n"); |
3513 | break; | |
3514 | } | |
8db9d77b | 3515 | } |
e1a44743 | 3516 | if (tries == 5) |
5eddb70b | 3517 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
3518 | |
3519 | DRM_DEBUG_KMS("FDI train done\n"); | |
5c5313c8 | 3520 | |
8db9d77b ZW |
3521 | } |
3522 | ||
0206e353 | 3523 | static const int snb_b_fdi_train_param[] = { |
8db9d77b ZW |
3524 | FDI_LINK_TRAIN_400MV_0DB_SNB_B, |
3525 | FDI_LINK_TRAIN_400MV_6DB_SNB_B, | |
3526 | FDI_LINK_TRAIN_600MV_3_5DB_SNB_B, | |
3527 | FDI_LINK_TRAIN_800MV_0DB_SNB_B, | |
3528 | }; | |
3529 | ||
3530 | /* The FDI link training functions for SNB/Cougarpoint. */ | |
3531 | static void gen6_fdi_link_train(struct drm_crtc *crtc) | |
3532 | { | |
3533 | struct drm_device *dev = crtc->dev; | |
3534 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3535 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3536 | int pipe = intel_crtc->pipe; | |
fa37d39e | 3537 | u32 reg, temp, i, retry; |
8db9d77b | 3538 | |
e1a44743 AJ |
3539 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3540 | for train result */ | |
5eddb70b CW |
3541 | reg = FDI_RX_IMR(pipe); |
3542 | temp = I915_READ(reg); | |
e1a44743 AJ |
3543 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3544 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
3545 | I915_WRITE(reg, temp); |
3546 | ||
3547 | POSTING_READ(reg); | |
e1a44743 AJ |
3548 | udelay(150); |
3549 | ||
8db9d77b | 3550 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
3551 | reg = FDI_TX_CTL(pipe); |
3552 | temp = I915_READ(reg); | |
627eb5a3 | 3553 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3554 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
8db9d77b ZW |
3555 | temp &= ~FDI_LINK_TRAIN_NONE; |
3556 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3557 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
3558 | /* SNB-B */ | |
3559 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
5eddb70b | 3560 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 3561 | |
d74cf324 DV |
3562 | I915_WRITE(FDI_RX_MISC(pipe), |
3563 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
3564 | ||
5eddb70b CW |
3565 | reg = FDI_RX_CTL(pipe); |
3566 | temp = I915_READ(reg); | |
8db9d77b ZW |
3567 | if (HAS_PCH_CPT(dev)) { |
3568 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3569 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
3570 | } else { | |
3571 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3572 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3573 | } | |
5eddb70b CW |
3574 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3575 | ||
3576 | POSTING_READ(reg); | |
8db9d77b ZW |
3577 | udelay(150); |
3578 | ||
0206e353 | 3579 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
3580 | reg = FDI_TX_CTL(pipe); |
3581 | temp = I915_READ(reg); | |
8db9d77b ZW |
3582 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3583 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
3584 | I915_WRITE(reg, temp); |
3585 | ||
3586 | POSTING_READ(reg); | |
8db9d77b ZW |
3587 | udelay(500); |
3588 | ||
fa37d39e SP |
3589 | for (retry = 0; retry < 5; retry++) { |
3590 | reg = FDI_RX_IIR(pipe); | |
3591 | temp = I915_READ(reg); | |
3592 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
3593 | if (temp & FDI_RX_BIT_LOCK) { | |
3594 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
3595 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
3596 | break; | |
3597 | } | |
3598 | udelay(50); | |
8db9d77b | 3599 | } |
fa37d39e SP |
3600 | if (retry < 5) |
3601 | break; | |
8db9d77b ZW |
3602 | } |
3603 | if (i == 4) | |
5eddb70b | 3604 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
3605 | |
3606 | /* Train 2 */ | |
5eddb70b CW |
3607 | reg = FDI_TX_CTL(pipe); |
3608 | temp = I915_READ(reg); | |
8db9d77b ZW |
3609 | temp &= ~FDI_LINK_TRAIN_NONE; |
3610 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
3611 | if (IS_GEN6(dev)) { | |
3612 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
3613 | /* SNB-B */ | |
3614 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
3615 | } | |
5eddb70b | 3616 | I915_WRITE(reg, temp); |
8db9d77b | 3617 | |
5eddb70b CW |
3618 | reg = FDI_RX_CTL(pipe); |
3619 | temp = I915_READ(reg); | |
8db9d77b ZW |
3620 | if (HAS_PCH_CPT(dev)) { |
3621 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3622 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
3623 | } else { | |
3624 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3625 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
3626 | } | |
5eddb70b CW |
3627 | I915_WRITE(reg, temp); |
3628 | ||
3629 | POSTING_READ(reg); | |
8db9d77b ZW |
3630 | udelay(150); |
3631 | ||
0206e353 | 3632 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
3633 | reg = FDI_TX_CTL(pipe); |
3634 | temp = I915_READ(reg); | |
8db9d77b ZW |
3635 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3636 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
3637 | I915_WRITE(reg, temp); |
3638 | ||
3639 | POSTING_READ(reg); | |
8db9d77b ZW |
3640 | udelay(500); |
3641 | ||
fa37d39e SP |
3642 | for (retry = 0; retry < 5; retry++) { |
3643 | reg = FDI_RX_IIR(pipe); | |
3644 | temp = I915_READ(reg); | |
3645 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
3646 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
3647 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
3648 | DRM_DEBUG_KMS("FDI train 2 done.\n"); | |
3649 | break; | |
3650 | } | |
3651 | udelay(50); | |
8db9d77b | 3652 | } |
fa37d39e SP |
3653 | if (retry < 5) |
3654 | break; | |
8db9d77b ZW |
3655 | } |
3656 | if (i == 4) | |
5eddb70b | 3657 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
3658 | |
3659 | DRM_DEBUG_KMS("FDI train done.\n"); | |
3660 | } | |
3661 | ||
357555c0 JB |
3662 | /* Manual link training for Ivy Bridge A0 parts */ |
3663 | static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) | |
3664 | { | |
3665 | struct drm_device *dev = crtc->dev; | |
3666 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3667 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3668 | int pipe = intel_crtc->pipe; | |
139ccd3f | 3669 | u32 reg, temp, i, j; |
357555c0 JB |
3670 | |
3671 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit | |
3672 | for train result */ | |
3673 | reg = FDI_RX_IMR(pipe); | |
3674 | temp = I915_READ(reg); | |
3675 | temp &= ~FDI_RX_SYMBOL_LOCK; | |
3676 | temp &= ~FDI_RX_BIT_LOCK; | |
3677 | I915_WRITE(reg, temp); | |
3678 | ||
3679 | POSTING_READ(reg); | |
3680 | udelay(150); | |
3681 | ||
01a415fd DV |
3682 | DRM_DEBUG_KMS("FDI_RX_IIR before link train 0x%x\n", |
3683 | I915_READ(FDI_RX_IIR(pipe))); | |
3684 | ||
139ccd3f JB |
3685 | /* Try each vswing and preemphasis setting twice before moving on */ |
3686 | for (j = 0; j < ARRAY_SIZE(snb_b_fdi_train_param) * 2; j++) { | |
3687 | /* disable first in case we need to retry */ | |
3688 | reg = FDI_TX_CTL(pipe); | |
3689 | temp = I915_READ(reg); | |
3690 | temp &= ~(FDI_LINK_TRAIN_AUTO | FDI_LINK_TRAIN_NONE_IVB); | |
3691 | temp &= ~FDI_TX_ENABLE; | |
3692 | I915_WRITE(reg, temp); | |
357555c0 | 3693 | |
139ccd3f JB |
3694 | reg = FDI_RX_CTL(pipe); |
3695 | temp = I915_READ(reg); | |
3696 | temp &= ~FDI_LINK_TRAIN_AUTO; | |
3697 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3698 | temp &= ~FDI_RX_ENABLE; | |
3699 | I915_WRITE(reg, temp); | |
357555c0 | 3700 | |
139ccd3f | 3701 | /* enable CPU FDI TX and PCH FDI RX */ |
357555c0 JB |
3702 | reg = FDI_TX_CTL(pipe); |
3703 | temp = I915_READ(reg); | |
139ccd3f | 3704 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3705 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
139ccd3f | 3706 | temp |= FDI_LINK_TRAIN_PATTERN_1_IVB; |
357555c0 | 3707 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
139ccd3f JB |
3708 | temp |= snb_b_fdi_train_param[j/2]; |
3709 | temp |= FDI_COMPOSITE_SYNC; | |
3710 | I915_WRITE(reg, temp | FDI_TX_ENABLE); | |
357555c0 | 3711 | |
139ccd3f JB |
3712 | I915_WRITE(FDI_RX_MISC(pipe), |
3713 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
357555c0 | 3714 | |
139ccd3f | 3715 | reg = FDI_RX_CTL(pipe); |
357555c0 | 3716 | temp = I915_READ(reg); |
139ccd3f JB |
3717 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
3718 | temp |= FDI_COMPOSITE_SYNC; | |
3719 | I915_WRITE(reg, temp | FDI_RX_ENABLE); | |
357555c0 | 3720 | |
139ccd3f JB |
3721 | POSTING_READ(reg); |
3722 | udelay(1); /* should be 0.5us */ | |
357555c0 | 3723 | |
139ccd3f JB |
3724 | for (i = 0; i < 4; i++) { |
3725 | reg = FDI_RX_IIR(pipe); | |
3726 | temp = I915_READ(reg); | |
3727 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
357555c0 | 3728 | |
139ccd3f JB |
3729 | if (temp & FDI_RX_BIT_LOCK || |
3730 | (I915_READ(reg) & FDI_RX_BIT_LOCK)) { | |
3731 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
3732 | DRM_DEBUG_KMS("FDI train 1 done, level %i.\n", | |
3733 | i); | |
3734 | break; | |
3735 | } | |
3736 | udelay(1); /* should be 0.5us */ | |
3737 | } | |
3738 | if (i == 4) { | |
3739 | DRM_DEBUG_KMS("FDI train 1 fail on vswing %d\n", j / 2); | |
3740 | continue; | |
3741 | } | |
357555c0 | 3742 | |
139ccd3f | 3743 | /* Train 2 */ |
357555c0 JB |
3744 | reg = FDI_TX_CTL(pipe); |
3745 | temp = I915_READ(reg); | |
139ccd3f JB |
3746 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
3747 | temp |= FDI_LINK_TRAIN_PATTERN_2_IVB; | |
3748 | I915_WRITE(reg, temp); | |
3749 | ||
3750 | reg = FDI_RX_CTL(pipe); | |
3751 | temp = I915_READ(reg); | |
3752 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3753 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
357555c0 JB |
3754 | I915_WRITE(reg, temp); |
3755 | ||
3756 | POSTING_READ(reg); | |
139ccd3f | 3757 | udelay(2); /* should be 1.5us */ |
357555c0 | 3758 | |
139ccd3f JB |
3759 | for (i = 0; i < 4; i++) { |
3760 | reg = FDI_RX_IIR(pipe); | |
3761 | temp = I915_READ(reg); | |
3762 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
357555c0 | 3763 | |
139ccd3f JB |
3764 | if (temp & FDI_RX_SYMBOL_LOCK || |
3765 | (I915_READ(reg) & FDI_RX_SYMBOL_LOCK)) { | |
3766 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
3767 | DRM_DEBUG_KMS("FDI train 2 done, level %i.\n", | |
3768 | i); | |
3769 | goto train_done; | |
3770 | } | |
3771 | udelay(2); /* should be 1.5us */ | |
357555c0 | 3772 | } |
139ccd3f JB |
3773 | if (i == 4) |
3774 | DRM_DEBUG_KMS("FDI train 2 fail on vswing %d\n", j / 2); | |
357555c0 | 3775 | } |
357555c0 | 3776 | |
139ccd3f | 3777 | train_done: |
357555c0 JB |
3778 | DRM_DEBUG_KMS("FDI train done.\n"); |
3779 | } | |
3780 | ||
88cefb6c | 3781 | static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc) |
2c07245f | 3782 | { |
88cefb6c | 3783 | struct drm_device *dev = intel_crtc->base.dev; |
2c07245f | 3784 | struct drm_i915_private *dev_priv = dev->dev_private; |
2c07245f | 3785 | int pipe = intel_crtc->pipe; |
5eddb70b | 3786 | u32 reg, temp; |
79e53945 | 3787 | |
c64e311e | 3788 | |
c98e9dcf | 3789 | /* enable PCH FDI RX PLL, wait warmup plus DMI latency */ |
5eddb70b CW |
3790 | reg = FDI_RX_CTL(pipe); |
3791 | temp = I915_READ(reg); | |
627eb5a3 | 3792 | temp &= ~(FDI_DP_PORT_WIDTH_MASK | (0x7 << 16)); |
6e3c9717 | 3793 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
dfd07d72 | 3794 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
5eddb70b CW |
3795 | I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE); |
3796 | ||
3797 | POSTING_READ(reg); | |
c98e9dcf JB |
3798 | udelay(200); |
3799 | ||
3800 | /* Switch from Rawclk to PCDclk */ | |
5eddb70b CW |
3801 | temp = I915_READ(reg); |
3802 | I915_WRITE(reg, temp | FDI_PCDCLK); | |
3803 | ||
3804 | POSTING_READ(reg); | |
c98e9dcf JB |
3805 | udelay(200); |
3806 | ||
20749730 PZ |
3807 | /* Enable CPU FDI TX PLL, always on for Ironlake */ |
3808 | reg = FDI_TX_CTL(pipe); | |
3809 | temp = I915_READ(reg); | |
3810 | if ((temp & FDI_TX_PLL_ENABLE) == 0) { | |
3811 | I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE); | |
5eddb70b | 3812 | |
20749730 PZ |
3813 | POSTING_READ(reg); |
3814 | udelay(100); | |
6be4a607 | 3815 | } |
0e23b99d JB |
3816 | } |
3817 | ||
88cefb6c DV |
3818 | static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc) |
3819 | { | |
3820 | struct drm_device *dev = intel_crtc->base.dev; | |
3821 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3822 | int pipe = intel_crtc->pipe; | |
3823 | u32 reg, temp; | |
3824 | ||
3825 | /* Switch from PCDclk to Rawclk */ | |
3826 | reg = FDI_RX_CTL(pipe); | |
3827 | temp = I915_READ(reg); | |
3828 | I915_WRITE(reg, temp & ~FDI_PCDCLK); | |
3829 | ||
3830 | /* Disable CPU FDI TX PLL */ | |
3831 | reg = FDI_TX_CTL(pipe); | |
3832 | temp = I915_READ(reg); | |
3833 | I915_WRITE(reg, temp & ~FDI_TX_PLL_ENABLE); | |
3834 | ||
3835 | POSTING_READ(reg); | |
3836 | udelay(100); | |
3837 | ||
3838 | reg = FDI_RX_CTL(pipe); | |
3839 | temp = I915_READ(reg); | |
3840 | I915_WRITE(reg, temp & ~FDI_RX_PLL_ENABLE); | |
3841 | ||
3842 | /* Wait for the clocks to turn off. */ | |
3843 | POSTING_READ(reg); | |
3844 | udelay(100); | |
3845 | } | |
3846 | ||
0fc932b8 JB |
3847 | static void ironlake_fdi_disable(struct drm_crtc *crtc) |
3848 | { | |
3849 | struct drm_device *dev = crtc->dev; | |
3850 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3851 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3852 | int pipe = intel_crtc->pipe; | |
3853 | u32 reg, temp; | |
3854 | ||
3855 | /* disable CPU FDI tx and PCH FDI rx */ | |
3856 | reg = FDI_TX_CTL(pipe); | |
3857 | temp = I915_READ(reg); | |
3858 | I915_WRITE(reg, temp & ~FDI_TX_ENABLE); | |
3859 | POSTING_READ(reg); | |
3860 | ||
3861 | reg = FDI_RX_CTL(pipe); | |
3862 | temp = I915_READ(reg); | |
3863 | temp &= ~(0x7 << 16); | |
dfd07d72 | 3864 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
3865 | I915_WRITE(reg, temp & ~FDI_RX_ENABLE); |
3866 | ||
3867 | POSTING_READ(reg); | |
3868 | udelay(100); | |
3869 | ||
3870 | /* Ironlake workaround, disable clock pointer after downing FDI */ | |
eba905b2 | 3871 | if (HAS_PCH_IBX(dev)) |
6f06ce18 | 3872 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
0fc932b8 JB |
3873 | |
3874 | /* still set train pattern 1 */ | |
3875 | reg = FDI_TX_CTL(pipe); | |
3876 | temp = I915_READ(reg); | |
3877 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3878 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3879 | I915_WRITE(reg, temp); | |
3880 | ||
3881 | reg = FDI_RX_CTL(pipe); | |
3882 | temp = I915_READ(reg); | |
3883 | if (HAS_PCH_CPT(dev)) { | |
3884 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3885 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
3886 | } else { | |
3887 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3888 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3889 | } | |
3890 | /* BPC in FDI rx is consistent with that in PIPECONF */ | |
3891 | temp &= ~(0x07 << 16); | |
dfd07d72 | 3892 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
3893 | I915_WRITE(reg, temp); |
3894 | ||
3895 | POSTING_READ(reg); | |
3896 | udelay(100); | |
3897 | } | |
3898 | ||
5dce5b93 CW |
3899 | bool intel_has_pending_fb_unpin(struct drm_device *dev) |
3900 | { | |
3901 | struct intel_crtc *crtc; | |
3902 | ||
3903 | /* Note that we don't need to be called with mode_config.lock here | |
3904 | * as our list of CRTC objects is static for the lifetime of the | |
3905 | * device and so cannot disappear as we iterate. Similarly, we can | |
3906 | * happily treat the predicates as racy, atomic checks as userspace | |
3907 | * cannot claim and pin a new fb without at least acquring the | |
3908 | * struct_mutex and so serialising with us. | |
3909 | */ | |
d3fcc808 | 3910 | for_each_intel_crtc(dev, crtc) { |
5dce5b93 CW |
3911 | if (atomic_read(&crtc->unpin_work_count) == 0) |
3912 | continue; | |
3913 | ||
3914 | if (crtc->unpin_work) | |
3915 | intel_wait_for_vblank(dev, crtc->pipe); | |
3916 | ||
3917 | return true; | |
3918 | } | |
3919 | ||
3920 | return false; | |
3921 | } | |
3922 | ||
d6bbafa1 CW |
3923 | static void page_flip_completed(struct intel_crtc *intel_crtc) |
3924 | { | |
3925 | struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev); | |
3926 | struct intel_unpin_work *work = intel_crtc->unpin_work; | |
3927 | ||
3928 | /* ensure that the unpin work is consistent wrt ->pending. */ | |
3929 | smp_rmb(); | |
3930 | intel_crtc->unpin_work = NULL; | |
3931 | ||
3932 | if (work->event) | |
3933 | drm_send_vblank_event(intel_crtc->base.dev, | |
3934 | intel_crtc->pipe, | |
3935 | work->event); | |
3936 | ||
3937 | drm_crtc_vblank_put(&intel_crtc->base); | |
3938 | ||
3939 | wake_up_all(&dev_priv->pending_flip_queue); | |
3940 | queue_work(dev_priv->wq, &work->work); | |
3941 | ||
3942 | trace_i915_flip_complete(intel_crtc->plane, | |
3943 | work->pending_flip_obj); | |
3944 | } | |
3945 | ||
46a55d30 | 3946 | void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) |
e6c3a2a6 | 3947 | { |
0f91128d | 3948 | struct drm_device *dev = crtc->dev; |
5bb61643 | 3949 | struct drm_i915_private *dev_priv = dev->dev_private; |
e6c3a2a6 | 3950 | |
2c10d571 | 3951 | WARN_ON(waitqueue_active(&dev_priv->pending_flip_queue)); |
9c787942 CW |
3952 | if (WARN_ON(wait_event_timeout(dev_priv->pending_flip_queue, |
3953 | !intel_crtc_has_pending_flip(crtc), | |
3954 | 60*HZ) == 0)) { | |
3955 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2c10d571 | 3956 | |
5e2d7afc | 3957 | spin_lock_irq(&dev->event_lock); |
9c787942 CW |
3958 | if (intel_crtc->unpin_work) { |
3959 | WARN_ONCE(1, "Removing stuck page flip\n"); | |
3960 | page_flip_completed(intel_crtc); | |
3961 | } | |
5e2d7afc | 3962 | spin_unlock_irq(&dev->event_lock); |
9c787942 | 3963 | } |
5bb61643 | 3964 | |
975d568a CW |
3965 | if (crtc->primary->fb) { |
3966 | mutex_lock(&dev->struct_mutex); | |
3967 | intel_finish_fb(crtc->primary->fb); | |
3968 | mutex_unlock(&dev->struct_mutex); | |
3969 | } | |
e6c3a2a6 CW |
3970 | } |
3971 | ||
e615efe4 ED |
3972 | /* Program iCLKIP clock to the desired frequency */ |
3973 | static void lpt_program_iclkip(struct drm_crtc *crtc) | |
3974 | { | |
3975 | struct drm_device *dev = crtc->dev; | |
3976 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6e3c9717 | 3977 | int clock = to_intel_crtc(crtc)->config->base.adjusted_mode.crtc_clock; |
e615efe4 ED |
3978 | u32 divsel, phaseinc, auxdiv, phasedir = 0; |
3979 | u32 temp; | |
3980 | ||
09153000 DV |
3981 | mutex_lock(&dev_priv->dpio_lock); |
3982 | ||
e615efe4 ED |
3983 | /* It is necessary to ungate the pixclk gate prior to programming |
3984 | * the divisors, and gate it back when it is done. | |
3985 | */ | |
3986 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_GATE); | |
3987 | ||
3988 | /* Disable SSCCTL */ | |
3989 | intel_sbi_write(dev_priv, SBI_SSCCTL6, | |
988d6ee8 PZ |
3990 | intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK) | |
3991 | SBI_SSCCTL_DISABLE, | |
3992 | SBI_ICLK); | |
e615efe4 ED |
3993 | |
3994 | /* 20MHz is a corner case which is out of range for the 7-bit divisor */ | |
12d7ceed | 3995 | if (clock == 20000) { |
e615efe4 ED |
3996 | auxdiv = 1; |
3997 | divsel = 0x41; | |
3998 | phaseinc = 0x20; | |
3999 | } else { | |
4000 | /* The iCLK virtual clock root frequency is in MHz, | |
241bfc38 DL |
4001 | * but the adjusted_mode->crtc_clock in in KHz. To get the |
4002 | * divisors, it is necessary to divide one by another, so we | |
e615efe4 ED |
4003 | * convert the virtual clock precision to KHz here for higher |
4004 | * precision. | |
4005 | */ | |
4006 | u32 iclk_virtual_root_freq = 172800 * 1000; | |
4007 | u32 iclk_pi_range = 64; | |
4008 | u32 desired_divisor, msb_divisor_value, pi_value; | |
4009 | ||
12d7ceed | 4010 | desired_divisor = (iclk_virtual_root_freq / clock); |
e615efe4 ED |
4011 | msb_divisor_value = desired_divisor / iclk_pi_range; |
4012 | pi_value = desired_divisor % iclk_pi_range; | |
4013 | ||
4014 | auxdiv = 0; | |
4015 | divsel = msb_divisor_value - 2; | |
4016 | phaseinc = pi_value; | |
4017 | } | |
4018 | ||
4019 | /* This should not happen with any sane values */ | |
4020 | WARN_ON(SBI_SSCDIVINTPHASE_DIVSEL(divsel) & | |
4021 | ~SBI_SSCDIVINTPHASE_DIVSEL_MASK); | |
4022 | WARN_ON(SBI_SSCDIVINTPHASE_DIR(phasedir) & | |
4023 | ~SBI_SSCDIVINTPHASE_INCVAL_MASK); | |
4024 | ||
4025 | DRM_DEBUG_KMS("iCLKIP clock: found settings for %dKHz refresh rate: auxdiv=%x, divsel=%x, phasedir=%x, phaseinc=%x\n", | |
12d7ceed | 4026 | clock, |
e615efe4 ED |
4027 | auxdiv, |
4028 | divsel, | |
4029 | phasedir, | |
4030 | phaseinc); | |
4031 | ||
4032 | /* Program SSCDIVINTPHASE6 */ | |
988d6ee8 | 4033 | temp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE6, SBI_ICLK); |
e615efe4 ED |
4034 | temp &= ~SBI_SSCDIVINTPHASE_DIVSEL_MASK; |
4035 | temp |= SBI_SSCDIVINTPHASE_DIVSEL(divsel); | |
4036 | temp &= ~SBI_SSCDIVINTPHASE_INCVAL_MASK; | |
4037 | temp |= SBI_SSCDIVINTPHASE_INCVAL(phaseinc); | |
4038 | temp |= SBI_SSCDIVINTPHASE_DIR(phasedir); | |
4039 | temp |= SBI_SSCDIVINTPHASE_PROPAGATE; | |
988d6ee8 | 4040 | intel_sbi_write(dev_priv, SBI_SSCDIVINTPHASE6, temp, SBI_ICLK); |
e615efe4 ED |
4041 | |
4042 | /* Program SSCAUXDIV */ | |
988d6ee8 | 4043 | temp = intel_sbi_read(dev_priv, SBI_SSCAUXDIV6, SBI_ICLK); |
e615efe4 ED |
4044 | temp &= ~SBI_SSCAUXDIV_FINALDIV2SEL(1); |
4045 | temp |= SBI_SSCAUXDIV_FINALDIV2SEL(auxdiv); | |
988d6ee8 | 4046 | intel_sbi_write(dev_priv, SBI_SSCAUXDIV6, temp, SBI_ICLK); |
e615efe4 ED |
4047 | |
4048 | /* Enable modulator and associated divider */ | |
988d6ee8 | 4049 | temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); |
e615efe4 | 4050 | temp &= ~SBI_SSCCTL_DISABLE; |
988d6ee8 | 4051 | intel_sbi_write(dev_priv, SBI_SSCCTL6, temp, SBI_ICLK); |
e615efe4 ED |
4052 | |
4053 | /* Wait for initialization time */ | |
4054 | udelay(24); | |
4055 | ||
4056 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_UNGATE); | |
09153000 DV |
4057 | |
4058 | mutex_unlock(&dev_priv->dpio_lock); | |
e615efe4 ED |
4059 | } |
4060 | ||
275f01b2 DV |
4061 | static void ironlake_pch_transcoder_set_timings(struct intel_crtc *crtc, |
4062 | enum pipe pch_transcoder) | |
4063 | { | |
4064 | struct drm_device *dev = crtc->base.dev; | |
4065 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6e3c9717 | 4066 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
275f01b2 DV |
4067 | |
4068 | I915_WRITE(PCH_TRANS_HTOTAL(pch_transcoder), | |
4069 | I915_READ(HTOTAL(cpu_transcoder))); | |
4070 | I915_WRITE(PCH_TRANS_HBLANK(pch_transcoder), | |
4071 | I915_READ(HBLANK(cpu_transcoder))); | |
4072 | I915_WRITE(PCH_TRANS_HSYNC(pch_transcoder), | |
4073 | I915_READ(HSYNC(cpu_transcoder))); | |
4074 | ||
4075 | I915_WRITE(PCH_TRANS_VTOTAL(pch_transcoder), | |
4076 | I915_READ(VTOTAL(cpu_transcoder))); | |
4077 | I915_WRITE(PCH_TRANS_VBLANK(pch_transcoder), | |
4078 | I915_READ(VBLANK(cpu_transcoder))); | |
4079 | I915_WRITE(PCH_TRANS_VSYNC(pch_transcoder), | |
4080 | I915_READ(VSYNC(cpu_transcoder))); | |
4081 | I915_WRITE(PCH_TRANS_VSYNCSHIFT(pch_transcoder), | |
4082 | I915_READ(VSYNCSHIFT(cpu_transcoder))); | |
4083 | } | |
4084 | ||
003632d9 | 4085 | static void cpt_set_fdi_bc_bifurcation(struct drm_device *dev, bool enable) |
1fbc0d78 DV |
4086 | { |
4087 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4088 | uint32_t temp; | |
4089 | ||
4090 | temp = I915_READ(SOUTH_CHICKEN1); | |
003632d9 | 4091 | if (!!(temp & FDI_BC_BIFURCATION_SELECT) == enable) |
1fbc0d78 DV |
4092 | return; |
4093 | ||
4094 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); | |
4095 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); | |
4096 | ||
003632d9 ACO |
4097 | temp &= ~FDI_BC_BIFURCATION_SELECT; |
4098 | if (enable) | |
4099 | temp |= FDI_BC_BIFURCATION_SELECT; | |
4100 | ||
4101 | DRM_DEBUG_KMS("%sabling fdi C rx\n", enable ? "en" : "dis"); | |
1fbc0d78 DV |
4102 | I915_WRITE(SOUTH_CHICKEN1, temp); |
4103 | POSTING_READ(SOUTH_CHICKEN1); | |
4104 | } | |
4105 | ||
4106 | static void ivybridge_update_fdi_bc_bifurcation(struct intel_crtc *intel_crtc) | |
4107 | { | |
4108 | struct drm_device *dev = intel_crtc->base.dev; | |
1fbc0d78 DV |
4109 | |
4110 | switch (intel_crtc->pipe) { | |
4111 | case PIPE_A: | |
4112 | break; | |
4113 | case PIPE_B: | |
6e3c9717 | 4114 | if (intel_crtc->config->fdi_lanes > 2) |
003632d9 | 4115 | cpt_set_fdi_bc_bifurcation(dev, false); |
1fbc0d78 | 4116 | else |
003632d9 | 4117 | cpt_set_fdi_bc_bifurcation(dev, true); |
1fbc0d78 DV |
4118 | |
4119 | break; | |
4120 | case PIPE_C: | |
003632d9 | 4121 | cpt_set_fdi_bc_bifurcation(dev, true); |
1fbc0d78 DV |
4122 | |
4123 | break; | |
4124 | default: | |
4125 | BUG(); | |
4126 | } | |
4127 | } | |
4128 | ||
f67a559d JB |
4129 | /* |
4130 | * Enable PCH resources required for PCH ports: | |
4131 | * - PCH PLLs | |
4132 | * - FDI training & RX/TX | |
4133 | * - update transcoder timings | |
4134 | * - DP transcoding bits | |
4135 | * - transcoder | |
4136 | */ | |
4137 | static void ironlake_pch_enable(struct drm_crtc *crtc) | |
0e23b99d JB |
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); | |
4142 | int pipe = intel_crtc->pipe; | |
ee7b9f93 | 4143 | u32 reg, temp; |
2c07245f | 4144 | |
ab9412ba | 4145 | assert_pch_transcoder_disabled(dev_priv, pipe); |
e7e164db | 4146 | |
1fbc0d78 DV |
4147 | if (IS_IVYBRIDGE(dev)) |
4148 | ivybridge_update_fdi_bc_bifurcation(intel_crtc); | |
4149 | ||
cd986abb DV |
4150 | /* Write the TU size bits before fdi link training, so that error |
4151 | * detection works. */ | |
4152 | I915_WRITE(FDI_RX_TUSIZE1(pipe), | |
4153 | I915_READ(PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); | |
4154 | ||
c98e9dcf | 4155 | /* For PCH output, training FDI link */ |
674cf967 | 4156 | dev_priv->display.fdi_link_train(crtc); |
2c07245f | 4157 | |
3ad8a208 DV |
4158 | /* We need to program the right clock selection before writing the pixel |
4159 | * mutliplier into the DPLL. */ | |
303b81e0 | 4160 | if (HAS_PCH_CPT(dev)) { |
ee7b9f93 | 4161 | u32 sel; |
4b645f14 | 4162 | |
c98e9dcf | 4163 | temp = I915_READ(PCH_DPLL_SEL); |
11887397 DV |
4164 | temp |= TRANS_DPLL_ENABLE(pipe); |
4165 | sel = TRANS_DPLLB_SEL(pipe); | |
6e3c9717 | 4166 | if (intel_crtc->config->shared_dpll == DPLL_ID_PCH_PLL_B) |
ee7b9f93 JB |
4167 | temp |= sel; |
4168 | else | |
4169 | temp &= ~sel; | |
c98e9dcf | 4170 | I915_WRITE(PCH_DPLL_SEL, temp); |
c98e9dcf | 4171 | } |
5eddb70b | 4172 | |
3ad8a208 DV |
4173 | /* XXX: pch pll's can be enabled any time before we enable the PCH |
4174 | * transcoder, and we actually should do this to not upset any PCH | |
4175 | * transcoder that already use the clock when we share it. | |
4176 | * | |
4177 | * Note that enable_shared_dpll tries to do the right thing, but | |
4178 | * get_shared_dpll unconditionally resets the pll - we need that to have | |
4179 | * the right LVDS enable sequence. */ | |
85b3894f | 4180 | intel_enable_shared_dpll(intel_crtc); |
3ad8a208 | 4181 | |
d9b6cb56 JB |
4182 | /* set transcoder timing, panel must allow it */ |
4183 | assert_panel_unlocked(dev_priv, pipe); | |
275f01b2 | 4184 | ironlake_pch_transcoder_set_timings(intel_crtc, pipe); |
8db9d77b | 4185 | |
303b81e0 | 4186 | intel_fdi_normal_train(crtc); |
5e84e1a4 | 4187 | |
c98e9dcf | 4188 | /* For PCH DP, enable TRANS_DP_CTL */ |
6e3c9717 | 4189 | if (HAS_PCH_CPT(dev) && intel_crtc->config->has_dp_encoder) { |
dfd07d72 | 4190 | u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) >> 5; |
5eddb70b CW |
4191 | reg = TRANS_DP_CTL(pipe); |
4192 | temp = I915_READ(reg); | |
4193 | temp &= ~(TRANS_DP_PORT_SEL_MASK | | |
220cad3c EA |
4194 | TRANS_DP_SYNC_MASK | |
4195 | TRANS_DP_BPC_MASK); | |
5eddb70b CW |
4196 | temp |= (TRANS_DP_OUTPUT_ENABLE | |
4197 | TRANS_DP_ENH_FRAMING); | |
9325c9f0 | 4198 | temp |= bpc << 9; /* same format but at 11:9 */ |
c98e9dcf JB |
4199 | |
4200 | if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC) | |
5eddb70b | 4201 | temp |= TRANS_DP_HSYNC_ACTIVE_HIGH; |
c98e9dcf | 4202 | if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC) |
5eddb70b | 4203 | temp |= TRANS_DP_VSYNC_ACTIVE_HIGH; |
c98e9dcf JB |
4204 | |
4205 | switch (intel_trans_dp_port_sel(crtc)) { | |
4206 | case PCH_DP_B: | |
5eddb70b | 4207 | temp |= TRANS_DP_PORT_SEL_B; |
c98e9dcf JB |
4208 | break; |
4209 | case PCH_DP_C: | |
5eddb70b | 4210 | temp |= TRANS_DP_PORT_SEL_C; |
c98e9dcf JB |
4211 | break; |
4212 | case PCH_DP_D: | |
5eddb70b | 4213 | temp |= TRANS_DP_PORT_SEL_D; |
c98e9dcf JB |
4214 | break; |
4215 | default: | |
e95d41e1 | 4216 | BUG(); |
32f9d658 | 4217 | } |
2c07245f | 4218 | |
5eddb70b | 4219 | I915_WRITE(reg, temp); |
6be4a607 | 4220 | } |
b52eb4dc | 4221 | |
b8a4f404 | 4222 | ironlake_enable_pch_transcoder(dev_priv, pipe); |
f67a559d JB |
4223 | } |
4224 | ||
1507e5bd PZ |
4225 | static void lpt_pch_enable(struct drm_crtc *crtc) |
4226 | { | |
4227 | struct drm_device *dev = crtc->dev; | |
4228 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4229 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6e3c9717 | 4230 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
1507e5bd | 4231 | |
ab9412ba | 4232 | assert_pch_transcoder_disabled(dev_priv, TRANSCODER_A); |
1507e5bd | 4233 | |
8c52b5e8 | 4234 | lpt_program_iclkip(crtc); |
1507e5bd | 4235 | |
0540e488 | 4236 | /* Set transcoder timing. */ |
275f01b2 | 4237 | ironlake_pch_transcoder_set_timings(intel_crtc, PIPE_A); |
1507e5bd | 4238 | |
937bb610 | 4239 | lpt_enable_pch_transcoder(dev_priv, cpu_transcoder); |
f67a559d JB |
4240 | } |
4241 | ||
716c2e55 | 4242 | void intel_put_shared_dpll(struct intel_crtc *crtc) |
ee7b9f93 | 4243 | { |
e2b78267 | 4244 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
ee7b9f93 JB |
4245 | |
4246 | if (pll == NULL) | |
4247 | return; | |
4248 | ||
3e369b76 | 4249 | if (!(pll->config.crtc_mask & (1 << crtc->pipe))) { |
1e6f2ddc | 4250 | WARN(1, "bad %s crtc mask\n", pll->name); |
ee7b9f93 JB |
4251 | return; |
4252 | } | |
4253 | ||
3e369b76 ACO |
4254 | pll->config.crtc_mask &= ~(1 << crtc->pipe); |
4255 | if (pll->config.crtc_mask == 0) { | |
f4a091c7 DV |
4256 | WARN_ON(pll->on); |
4257 | WARN_ON(pll->active); | |
4258 | } | |
4259 | ||
6e3c9717 | 4260 | crtc->config->shared_dpll = DPLL_ID_PRIVATE; |
ee7b9f93 JB |
4261 | } |
4262 | ||
190f68c5 ACO |
4263 | struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc, |
4264 | struct intel_crtc_state *crtc_state) | |
ee7b9f93 | 4265 | { |
e2b78267 | 4266 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
8bd31e67 | 4267 | struct intel_shared_dpll *pll; |
e2b78267 | 4268 | enum intel_dpll_id i; |
ee7b9f93 | 4269 | |
98b6bd99 DV |
4270 | if (HAS_PCH_IBX(dev_priv->dev)) { |
4271 | /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */ | |
d94ab068 | 4272 | i = (enum intel_dpll_id) crtc->pipe; |
e72f9fbf | 4273 | pll = &dev_priv->shared_dplls[i]; |
98b6bd99 | 4274 | |
46edb027 DV |
4275 | DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n", |
4276 | crtc->base.base.id, pll->name); | |
98b6bd99 | 4277 | |
8bd31e67 | 4278 | WARN_ON(pll->new_config->crtc_mask); |
f2a69f44 | 4279 | |
98b6bd99 DV |
4280 | goto found; |
4281 | } | |
4282 | ||
bcddf610 S |
4283 | if (IS_BROXTON(dev_priv->dev)) { |
4284 | /* PLL is attached to port in bxt */ | |
4285 | struct intel_encoder *encoder; | |
4286 | struct intel_digital_port *intel_dig_port; | |
4287 | ||
4288 | encoder = intel_ddi_get_crtc_new_encoder(crtc_state); | |
4289 | if (WARN_ON(!encoder)) | |
4290 | return NULL; | |
4291 | ||
4292 | intel_dig_port = enc_to_dig_port(&encoder->base); | |
4293 | /* 1:1 mapping between ports and PLLs */ | |
4294 | i = (enum intel_dpll_id)intel_dig_port->port; | |
4295 | pll = &dev_priv->shared_dplls[i]; | |
4296 | DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n", | |
4297 | crtc->base.base.id, pll->name); | |
4298 | WARN_ON(pll->new_config->crtc_mask); | |
4299 | ||
4300 | goto found; | |
4301 | } | |
4302 | ||
e72f9fbf DV |
4303 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
4304 | pll = &dev_priv->shared_dplls[i]; | |
ee7b9f93 JB |
4305 | |
4306 | /* Only want to check enabled timings first */ | |
8bd31e67 | 4307 | if (pll->new_config->crtc_mask == 0) |
ee7b9f93 JB |
4308 | continue; |
4309 | ||
190f68c5 | 4310 | if (memcmp(&crtc_state->dpll_hw_state, |
8bd31e67 ACO |
4311 | &pll->new_config->hw_state, |
4312 | sizeof(pll->new_config->hw_state)) == 0) { | |
4313 | DRM_DEBUG_KMS("CRTC:%d sharing existing %s (crtc mask 0x%08x, ative %d)\n", | |
1e6f2ddc | 4314 | crtc->base.base.id, pll->name, |
8bd31e67 ACO |
4315 | pll->new_config->crtc_mask, |
4316 | pll->active); | |
ee7b9f93 JB |
4317 | goto found; |
4318 | } | |
4319 | } | |
4320 | ||
4321 | /* Ok no matching timings, maybe there's a free one? */ | |
e72f9fbf DV |
4322 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
4323 | pll = &dev_priv->shared_dplls[i]; | |
8bd31e67 | 4324 | if (pll->new_config->crtc_mask == 0) { |
46edb027 DV |
4325 | DRM_DEBUG_KMS("CRTC:%d allocated %s\n", |
4326 | crtc->base.base.id, pll->name); | |
ee7b9f93 JB |
4327 | goto found; |
4328 | } | |
4329 | } | |
4330 | ||
4331 | return NULL; | |
4332 | ||
4333 | found: | |
8bd31e67 | 4334 | if (pll->new_config->crtc_mask == 0) |
190f68c5 | 4335 | pll->new_config->hw_state = crtc_state->dpll_hw_state; |
f2a69f44 | 4336 | |
190f68c5 | 4337 | crtc_state->shared_dpll = i; |
46edb027 DV |
4338 | DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name, |
4339 | pipe_name(crtc->pipe)); | |
ee7b9f93 | 4340 | |
8bd31e67 | 4341 | pll->new_config->crtc_mask |= 1 << crtc->pipe; |
e04c7350 | 4342 | |
ee7b9f93 JB |
4343 | return pll; |
4344 | } | |
4345 | ||
8bd31e67 ACO |
4346 | /** |
4347 | * intel_shared_dpll_start_config - start a new PLL staged config | |
4348 | * @dev_priv: DRM device | |
4349 | * @clear_pipes: mask of pipes that will have their PLLs freed | |
4350 | * | |
4351 | * Starts a new PLL staged config, copying the current config but | |
4352 | * releasing the references of pipes specified in clear_pipes. | |
4353 | */ | |
4354 | static int intel_shared_dpll_start_config(struct drm_i915_private *dev_priv, | |
4355 | unsigned clear_pipes) | |
4356 | { | |
4357 | struct intel_shared_dpll *pll; | |
4358 | enum intel_dpll_id i; | |
4359 | ||
4360 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
4361 | pll = &dev_priv->shared_dplls[i]; | |
4362 | ||
4363 | pll->new_config = kmemdup(&pll->config, sizeof pll->config, | |
4364 | GFP_KERNEL); | |
4365 | if (!pll->new_config) | |
4366 | goto cleanup; | |
4367 | ||
4368 | pll->new_config->crtc_mask &= ~clear_pipes; | |
4369 | } | |
4370 | ||
4371 | return 0; | |
4372 | ||
4373 | cleanup: | |
4374 | while (--i >= 0) { | |
4375 | pll = &dev_priv->shared_dplls[i]; | |
f354d733 | 4376 | kfree(pll->new_config); |
8bd31e67 ACO |
4377 | pll->new_config = NULL; |
4378 | } | |
4379 | ||
4380 | return -ENOMEM; | |
4381 | } | |
4382 | ||
4383 | static void intel_shared_dpll_commit(struct drm_i915_private *dev_priv) | |
4384 | { | |
4385 | struct intel_shared_dpll *pll; | |
4386 | enum intel_dpll_id i; | |
4387 | ||
4388 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
4389 | pll = &dev_priv->shared_dplls[i]; | |
4390 | ||
4391 | WARN_ON(pll->new_config == &pll->config); | |
4392 | ||
4393 | pll->config = *pll->new_config; | |
4394 | kfree(pll->new_config); | |
4395 | pll->new_config = NULL; | |
4396 | } | |
4397 | } | |
4398 | ||
4399 | static void intel_shared_dpll_abort_config(struct drm_i915_private *dev_priv) | |
4400 | { | |
4401 | struct intel_shared_dpll *pll; | |
4402 | enum intel_dpll_id i; | |
4403 | ||
4404 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
4405 | pll = &dev_priv->shared_dplls[i]; | |
4406 | ||
4407 | WARN_ON(pll->new_config == &pll->config); | |
4408 | ||
4409 | kfree(pll->new_config); | |
4410 | pll->new_config = NULL; | |
4411 | } | |
4412 | } | |
4413 | ||
a1520318 | 4414 | static void cpt_verify_modeset(struct drm_device *dev, int pipe) |
d4270e57 JB |
4415 | { |
4416 | struct drm_i915_private *dev_priv = dev->dev_private; | |
23670b32 | 4417 | int dslreg = PIPEDSL(pipe); |
d4270e57 JB |
4418 | u32 temp; |
4419 | ||
4420 | temp = I915_READ(dslreg); | |
4421 | udelay(500); | |
4422 | if (wait_for(I915_READ(dslreg) != temp, 5)) { | |
d4270e57 | 4423 | if (wait_for(I915_READ(dslreg) != temp, 5)) |
84f44ce7 | 4424 | DRM_ERROR("mode set failed: pipe %c stuck\n", pipe_name(pipe)); |
d4270e57 JB |
4425 | } |
4426 | } | |
4427 | ||
a1b2278e CK |
4428 | /** |
4429 | * skl_update_scaler_users - Stages update to crtc's scaler state | |
4430 | * @intel_crtc: crtc | |
4431 | * @crtc_state: crtc_state | |
4432 | * @plane: plane (NULL indicates crtc is requesting update) | |
4433 | * @plane_state: plane's state | |
4434 | * @force_detach: request unconditional detachment of scaler | |
4435 | * | |
4436 | * This function updates scaler state for requested plane or crtc. | |
4437 | * To request scaler usage update for a plane, caller shall pass plane pointer. | |
4438 | * To request scaler usage update for crtc, caller shall pass plane pointer | |
4439 | * as NULL. | |
4440 | * | |
4441 | * Return | |
4442 | * 0 - scaler_usage updated successfully | |
4443 | * error - requested scaling cannot be supported or other error condition | |
4444 | */ | |
4445 | int | |
4446 | skl_update_scaler_users( | |
4447 | struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state, | |
4448 | struct intel_plane *intel_plane, struct intel_plane_state *plane_state, | |
4449 | int force_detach) | |
4450 | { | |
4451 | int need_scaling; | |
4452 | int idx; | |
4453 | int src_w, src_h, dst_w, dst_h; | |
4454 | int *scaler_id; | |
4455 | struct drm_framebuffer *fb; | |
4456 | struct intel_crtc_scaler_state *scaler_state; | |
6156a456 | 4457 | unsigned int rotation; |
a1b2278e CK |
4458 | |
4459 | if (!intel_crtc || !crtc_state) | |
4460 | return 0; | |
4461 | ||
4462 | scaler_state = &crtc_state->scaler_state; | |
4463 | ||
4464 | idx = intel_plane ? drm_plane_index(&intel_plane->base) : SKL_CRTC_INDEX; | |
4465 | fb = intel_plane ? plane_state->base.fb : NULL; | |
4466 | ||
4467 | if (intel_plane) { | |
4468 | src_w = drm_rect_width(&plane_state->src) >> 16; | |
4469 | src_h = drm_rect_height(&plane_state->src) >> 16; | |
4470 | dst_w = drm_rect_width(&plane_state->dst); | |
4471 | dst_h = drm_rect_height(&plane_state->dst); | |
4472 | scaler_id = &plane_state->scaler_id; | |
6156a456 | 4473 | rotation = plane_state->base.rotation; |
a1b2278e CK |
4474 | } else { |
4475 | struct drm_display_mode *adjusted_mode = | |
4476 | &crtc_state->base.adjusted_mode; | |
4477 | src_w = crtc_state->pipe_src_w; | |
4478 | src_h = crtc_state->pipe_src_h; | |
4479 | dst_w = adjusted_mode->hdisplay; | |
4480 | dst_h = adjusted_mode->vdisplay; | |
4481 | scaler_id = &scaler_state->scaler_id; | |
6156a456 | 4482 | rotation = DRM_ROTATE_0; |
a1b2278e | 4483 | } |
6156a456 CK |
4484 | |
4485 | need_scaling = intel_rotation_90_or_270(rotation) ? | |
4486 | (src_h != dst_w || src_w != dst_h): | |
4487 | (src_w != dst_w || src_h != dst_h); | |
a1b2278e CK |
4488 | |
4489 | /* | |
4490 | * if plane is being disabled or scaler is no more required or force detach | |
4491 | * - free scaler binded to this plane/crtc | |
4492 | * - in order to do this, update crtc->scaler_usage | |
4493 | * | |
4494 | * Here scaler state in crtc_state is set free so that | |
4495 | * scaler can be assigned to other user. Actual register | |
4496 | * update to free the scaler is done in plane/panel-fit programming. | |
4497 | * For this purpose crtc/plane_state->scaler_id isn't reset here. | |
4498 | */ | |
4499 | if (force_detach || !need_scaling || (intel_plane && | |
4500 | (!fb || !plane_state->visible))) { | |
4501 | if (*scaler_id >= 0) { | |
4502 | scaler_state->scaler_users &= ~(1 << idx); | |
4503 | scaler_state->scalers[*scaler_id].in_use = 0; | |
4504 | ||
4505 | DRM_DEBUG_KMS("Staged freeing scaler id %d.%d from %s:%d " | |
4506 | "crtc_state = %p scaler_users = 0x%x\n", | |
4507 | intel_crtc->pipe, *scaler_id, intel_plane ? "PLANE" : "CRTC", | |
4508 | intel_plane ? intel_plane->base.base.id : | |
4509 | intel_crtc->base.base.id, crtc_state, | |
4510 | scaler_state->scaler_users); | |
4511 | *scaler_id = -1; | |
4512 | } | |
4513 | return 0; | |
4514 | } | |
4515 | ||
4516 | /* range checks */ | |
4517 | if (src_w < SKL_MIN_SRC_W || src_h < SKL_MIN_SRC_H || | |
4518 | dst_w < SKL_MIN_DST_W || dst_h < SKL_MIN_DST_H || | |
4519 | ||
4520 | src_w > SKL_MAX_SRC_W || src_h > SKL_MAX_SRC_H || | |
4521 | dst_w > SKL_MAX_DST_W || dst_h > SKL_MAX_DST_H) { | |
4522 | DRM_DEBUG_KMS("%s:%d scaler_user index %u.%u: src %ux%u dst %ux%u " | |
4523 | "size is out of scaler range\n", | |
4524 | intel_plane ? "PLANE" : "CRTC", | |
4525 | intel_plane ? intel_plane->base.base.id : intel_crtc->base.base.id, | |
4526 | intel_crtc->pipe, idx, src_w, src_h, dst_w, dst_h); | |
4527 | return -EINVAL; | |
4528 | } | |
4529 | ||
4530 | /* check colorkey */ | |
4531 | if (intel_plane && intel_plane->ckey.flags != I915_SET_COLORKEY_NONE) { | |
4532 | DRM_DEBUG_KMS("PLANE:%d scaling with color key not allowed", | |
4533 | intel_plane->base.base.id); | |
4534 | return -EINVAL; | |
4535 | } | |
4536 | ||
4537 | /* Check src format */ | |
4538 | if (intel_plane) { | |
4539 | switch (fb->pixel_format) { | |
4540 | case DRM_FORMAT_RGB565: | |
4541 | case DRM_FORMAT_XBGR8888: | |
4542 | case DRM_FORMAT_XRGB8888: | |
4543 | case DRM_FORMAT_ABGR8888: | |
4544 | case DRM_FORMAT_ARGB8888: | |
4545 | case DRM_FORMAT_XRGB2101010: | |
4546 | case DRM_FORMAT_ARGB2101010: | |
4547 | case DRM_FORMAT_XBGR2101010: | |
4548 | case DRM_FORMAT_ABGR2101010: | |
4549 | case DRM_FORMAT_YUYV: | |
4550 | case DRM_FORMAT_YVYU: | |
4551 | case DRM_FORMAT_UYVY: | |
4552 | case DRM_FORMAT_VYUY: | |
4553 | break; | |
4554 | default: | |
4555 | DRM_DEBUG_KMS("PLANE:%d FB:%d unsupported scaling format 0x%x\n", | |
4556 | intel_plane->base.base.id, fb->base.id, fb->pixel_format); | |
4557 | return -EINVAL; | |
4558 | } | |
4559 | } | |
4560 | ||
4561 | /* mark this plane as a scaler user in crtc_state */ | |
4562 | scaler_state->scaler_users |= (1 << idx); | |
4563 | DRM_DEBUG_KMS("%s:%d staged scaling request for %ux%u->%ux%u " | |
4564 | "crtc_state = %p scaler_users = 0x%x\n", | |
4565 | intel_plane ? "PLANE" : "CRTC", | |
4566 | intel_plane ? intel_plane->base.base.id : intel_crtc->base.base.id, | |
4567 | src_w, src_h, dst_w, dst_h, crtc_state, scaler_state->scaler_users); | |
4568 | return 0; | |
4569 | } | |
4570 | ||
4571 | static void skylake_pfit_update(struct intel_crtc *crtc, int enable) | |
bd2e244f JB |
4572 | { |
4573 | struct drm_device *dev = crtc->base.dev; | |
4574 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4575 | int pipe = crtc->pipe; | |
a1b2278e CK |
4576 | struct intel_crtc_scaler_state *scaler_state = |
4577 | &crtc->config->scaler_state; | |
4578 | ||
4579 | DRM_DEBUG_KMS("for crtc_state = %p\n", crtc->config); | |
4580 | ||
4581 | /* To update pfit, first update scaler state */ | |
4582 | skl_update_scaler_users(crtc, crtc->config, NULL, NULL, !enable); | |
4583 | intel_atomic_setup_scalers(crtc->base.dev, crtc, crtc->config); | |
4584 | skl_detach_scalers(crtc); | |
4585 | if (!enable) | |
4586 | return; | |
bd2e244f | 4587 | |
6e3c9717 | 4588 | if (crtc->config->pch_pfit.enabled) { |
a1b2278e CK |
4589 | int id; |
4590 | ||
4591 | if (WARN_ON(crtc->config->scaler_state.scaler_id < 0)) { | |
4592 | DRM_ERROR("Requesting pfit without getting a scaler first\n"); | |
4593 | return; | |
4594 | } | |
4595 | ||
4596 | id = scaler_state->scaler_id; | |
4597 | I915_WRITE(SKL_PS_CTRL(pipe, id), PS_SCALER_EN | | |
4598 | PS_FILTER_MEDIUM | scaler_state->scalers[id].mode); | |
4599 | I915_WRITE(SKL_PS_WIN_POS(pipe, id), crtc->config->pch_pfit.pos); | |
4600 | I915_WRITE(SKL_PS_WIN_SZ(pipe, id), crtc->config->pch_pfit.size); | |
4601 | ||
4602 | DRM_DEBUG_KMS("for crtc_state = %p scaler_id = %d\n", crtc->config, id); | |
bd2e244f JB |
4603 | } |
4604 | } | |
4605 | ||
b074cec8 JB |
4606 | static void ironlake_pfit_enable(struct intel_crtc *crtc) |
4607 | { | |
4608 | struct drm_device *dev = crtc->base.dev; | |
4609 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4610 | int pipe = crtc->pipe; | |
4611 | ||
6e3c9717 | 4612 | if (crtc->config->pch_pfit.enabled) { |
b074cec8 JB |
4613 | /* Force use of hard-coded filter coefficients |
4614 | * as some pre-programmed values are broken, | |
4615 | * e.g. x201. | |
4616 | */ | |
4617 | if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) | |
4618 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | | |
4619 | PF_PIPE_SEL_IVB(pipe)); | |
4620 | else | |
4621 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); | |
6e3c9717 ACO |
4622 | I915_WRITE(PF_WIN_POS(pipe), crtc->config->pch_pfit.pos); |
4623 | I915_WRITE(PF_WIN_SZ(pipe), crtc->config->pch_pfit.size); | |
d4270e57 JB |
4624 | } |
4625 | } | |
4626 | ||
4a3b8769 | 4627 | static void intel_enable_sprite_planes(struct drm_crtc *crtc) |
bb53d4ae VS |
4628 | { |
4629 | struct drm_device *dev = crtc->dev; | |
4630 | enum pipe pipe = to_intel_crtc(crtc)->pipe; | |
af2b653b | 4631 | struct drm_plane *plane; |
bb53d4ae VS |
4632 | struct intel_plane *intel_plane; |
4633 | ||
af2b653b MR |
4634 | drm_for_each_legacy_plane(plane, &dev->mode_config.plane_list) { |
4635 | intel_plane = to_intel_plane(plane); | |
bb53d4ae VS |
4636 | if (intel_plane->pipe == pipe) |
4637 | intel_plane_restore(&intel_plane->base); | |
af2b653b | 4638 | } |
bb53d4ae VS |
4639 | } |
4640 | ||
20bc8673 | 4641 | void hsw_enable_ips(struct intel_crtc *crtc) |
d77e4531 | 4642 | { |
cea165c3 VS |
4643 | struct drm_device *dev = crtc->base.dev; |
4644 | struct drm_i915_private *dev_priv = dev->dev_private; | |
d77e4531 | 4645 | |
6e3c9717 | 4646 | if (!crtc->config->ips_enabled) |
d77e4531 PZ |
4647 | return; |
4648 | ||
cea165c3 VS |
4649 | /* We can only enable IPS after we enable a plane and wait for a vblank */ |
4650 | intel_wait_for_vblank(dev, crtc->pipe); | |
4651 | ||
d77e4531 | 4652 | assert_plane_enabled(dev_priv, crtc->plane); |
cea165c3 | 4653 | if (IS_BROADWELL(dev)) { |
2a114cc1 BW |
4654 | mutex_lock(&dev_priv->rps.hw_lock); |
4655 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0xc0000000)); | |
4656 | mutex_unlock(&dev_priv->rps.hw_lock); | |
4657 | /* Quoting Art Runyan: "its not safe to expect any particular | |
4658 | * value in IPS_CTL bit 31 after enabling IPS through the | |
e59150dc JB |
4659 | * mailbox." Moreover, the mailbox may return a bogus state, |
4660 | * so we need to just enable it and continue on. | |
2a114cc1 BW |
4661 | */ |
4662 | } else { | |
4663 | I915_WRITE(IPS_CTL, IPS_ENABLE); | |
4664 | /* The bit only becomes 1 in the next vblank, so this wait here | |
4665 | * is essentially intel_wait_for_vblank. If we don't have this | |
4666 | * and don't wait for vblanks until the end of crtc_enable, then | |
4667 | * the HW state readout code will complain that the expected | |
4668 | * IPS_CTL value is not the one we read. */ | |
4669 | if (wait_for(I915_READ_NOTRACE(IPS_CTL) & IPS_ENABLE, 50)) | |
4670 | DRM_ERROR("Timed out waiting for IPS enable\n"); | |
4671 | } | |
d77e4531 PZ |
4672 | } |
4673 | ||
20bc8673 | 4674 | void hsw_disable_ips(struct intel_crtc *crtc) |
d77e4531 PZ |
4675 | { |
4676 | struct drm_device *dev = crtc->base.dev; | |
4677 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4678 | ||
6e3c9717 | 4679 | if (!crtc->config->ips_enabled) |
d77e4531 PZ |
4680 | return; |
4681 | ||
4682 | assert_plane_enabled(dev_priv, crtc->plane); | |
23d0b130 | 4683 | if (IS_BROADWELL(dev)) { |
2a114cc1 BW |
4684 | mutex_lock(&dev_priv->rps.hw_lock); |
4685 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0)); | |
4686 | mutex_unlock(&dev_priv->rps.hw_lock); | |
23d0b130 BW |
4687 | /* wait for pcode to finish disabling IPS, which may take up to 42ms */ |
4688 | if (wait_for((I915_READ(IPS_CTL) & IPS_ENABLE) == 0, 42)) | |
4689 | DRM_ERROR("Timed out waiting for IPS disable\n"); | |
e59150dc | 4690 | } else { |
2a114cc1 | 4691 | I915_WRITE(IPS_CTL, 0); |
e59150dc JB |
4692 | POSTING_READ(IPS_CTL); |
4693 | } | |
d77e4531 PZ |
4694 | |
4695 | /* We need to wait for a vblank before we can disable the plane. */ | |
4696 | intel_wait_for_vblank(dev, crtc->pipe); | |
4697 | } | |
4698 | ||
4699 | /** Loads the palette/gamma unit for the CRTC with the prepared values */ | |
4700 | static void intel_crtc_load_lut(struct drm_crtc *crtc) | |
4701 | { | |
4702 | struct drm_device *dev = crtc->dev; | |
4703 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4704 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4705 | enum pipe pipe = intel_crtc->pipe; | |
4706 | int palreg = PALETTE(pipe); | |
4707 | int i; | |
4708 | bool reenable_ips = false; | |
4709 | ||
4710 | /* The clocks have to be on to load the palette. */ | |
83d65738 | 4711 | if (!crtc->state->enable || !intel_crtc->active) |
d77e4531 PZ |
4712 | return; |
4713 | ||
50360403 | 4714 | if (HAS_GMCH_DISPLAY(dev_priv->dev)) { |
409ee761 | 4715 | if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI)) |
d77e4531 PZ |
4716 | assert_dsi_pll_enabled(dev_priv); |
4717 | else | |
4718 | assert_pll_enabled(dev_priv, pipe); | |
4719 | } | |
4720 | ||
4721 | /* use legacy palette for Ironlake */ | |
7a1db49a | 4722 | if (!HAS_GMCH_DISPLAY(dev)) |
d77e4531 PZ |
4723 | palreg = LGC_PALETTE(pipe); |
4724 | ||
4725 | /* Workaround : Do not read or write the pipe palette/gamma data while | |
4726 | * GAMMA_MODE is configured for split gamma and IPS_CTL has IPS enabled. | |
4727 | */ | |
6e3c9717 | 4728 | if (IS_HASWELL(dev) && intel_crtc->config->ips_enabled && |
d77e4531 PZ |
4729 | ((I915_READ(GAMMA_MODE(pipe)) & GAMMA_MODE_MODE_MASK) == |
4730 | GAMMA_MODE_MODE_SPLIT)) { | |
4731 | hsw_disable_ips(intel_crtc); | |
4732 | reenable_ips = true; | |
4733 | } | |
4734 | ||
4735 | for (i = 0; i < 256; i++) { | |
4736 | I915_WRITE(palreg + 4 * i, | |
4737 | (intel_crtc->lut_r[i] << 16) | | |
4738 | (intel_crtc->lut_g[i] << 8) | | |
4739 | intel_crtc->lut_b[i]); | |
4740 | } | |
4741 | ||
4742 | if (reenable_ips) | |
4743 | hsw_enable_ips(intel_crtc); | |
4744 | } | |
4745 | ||
7cac945f | 4746 | static void intel_crtc_dpms_overlay_disable(struct intel_crtc *intel_crtc) |
d3eedb1a | 4747 | { |
7cac945f | 4748 | if (intel_crtc->overlay) { |
d3eedb1a VS |
4749 | struct drm_device *dev = intel_crtc->base.dev; |
4750 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4751 | ||
4752 | mutex_lock(&dev->struct_mutex); | |
4753 | dev_priv->mm.interruptible = false; | |
4754 | (void) intel_overlay_switch_off(intel_crtc->overlay); | |
4755 | dev_priv->mm.interruptible = true; | |
4756 | mutex_unlock(&dev->struct_mutex); | |
4757 | } | |
4758 | ||
4759 | /* Let userspace switch the overlay on again. In most cases userspace | |
4760 | * has to recompute where to put it anyway. | |
4761 | */ | |
4762 | } | |
4763 | ||
87d4300a ML |
4764 | /** |
4765 | * intel_post_enable_primary - Perform operations after enabling primary plane | |
4766 | * @crtc: the CRTC whose primary plane was just enabled | |
4767 | * | |
4768 | * Performs potentially sleeping operations that must be done after the primary | |
4769 | * plane is enabled, such as updating FBC and IPS. Note that this may be | |
4770 | * called due to an explicit primary plane update, or due to an implicit | |
4771 | * re-enable that is caused when a sprite plane is updated to no longer | |
4772 | * completely hide the primary plane. | |
4773 | */ | |
4774 | static void | |
4775 | intel_post_enable_primary(struct drm_crtc *crtc) | |
a5c4d7bc VS |
4776 | { |
4777 | struct drm_device *dev = crtc->dev; | |
87d4300a | 4778 | struct drm_i915_private *dev_priv = dev->dev_private; |
a5c4d7bc VS |
4779 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4780 | int pipe = intel_crtc->pipe; | |
a5c4d7bc | 4781 | |
87d4300a ML |
4782 | /* |
4783 | * BDW signals flip done immediately if the plane | |
4784 | * is disabled, even if the plane enable is already | |
4785 | * armed to occur at the next vblank :( | |
4786 | */ | |
4787 | if (IS_BROADWELL(dev)) | |
4788 | intel_wait_for_vblank(dev, pipe); | |
a5c4d7bc | 4789 | |
87d4300a ML |
4790 | /* |
4791 | * FIXME IPS should be fine as long as one plane is | |
4792 | * enabled, but in practice it seems to have problems | |
4793 | * when going from primary only to sprite only and vice | |
4794 | * versa. | |
4795 | */ | |
a5c4d7bc VS |
4796 | hsw_enable_ips(intel_crtc); |
4797 | ||
4798 | mutex_lock(&dev->struct_mutex); | |
7ff0ebcc | 4799 | intel_fbc_update(dev); |
a5c4d7bc | 4800 | mutex_unlock(&dev->struct_mutex); |
f99d7069 DV |
4801 | |
4802 | /* | |
87d4300a ML |
4803 | * Gen2 reports pipe underruns whenever all planes are disabled. |
4804 | * So don't enable underrun reporting before at least some planes | |
4805 | * are enabled. | |
4806 | * FIXME: Need to fix the logic to work when we turn off all planes | |
4807 | * but leave the pipe running. | |
f99d7069 | 4808 | */ |
87d4300a ML |
4809 | if (IS_GEN2(dev)) |
4810 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); | |
4811 | ||
4812 | /* Underruns don't raise interrupts, so check manually. */ | |
4813 | if (HAS_GMCH_DISPLAY(dev)) | |
4814 | i9xx_check_fifo_underruns(dev_priv); | |
a5c4d7bc VS |
4815 | } |
4816 | ||
87d4300a ML |
4817 | /** |
4818 | * intel_pre_disable_primary - Perform operations before disabling primary plane | |
4819 | * @crtc: the CRTC whose primary plane is to be disabled | |
4820 | * | |
4821 | * Performs potentially sleeping operations that must be done before the | |
4822 | * primary plane is disabled, such as updating FBC and IPS. Note that this may | |
4823 | * be called due to an explicit primary plane update, or due to an implicit | |
4824 | * disable that is caused when a sprite plane completely hides the primary | |
4825 | * plane. | |
4826 | */ | |
4827 | static void | |
4828 | intel_pre_disable_primary(struct drm_crtc *crtc) | |
a5c4d7bc VS |
4829 | { |
4830 | struct drm_device *dev = crtc->dev; | |
4831 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4832 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4833 | int pipe = intel_crtc->pipe; | |
a5c4d7bc | 4834 | |
87d4300a ML |
4835 | /* |
4836 | * Gen2 reports pipe underruns whenever all planes are disabled. | |
4837 | * So diasble underrun reporting before all the planes get disabled. | |
4838 | * FIXME: Need to fix the logic to work when we turn off all planes | |
4839 | * but leave the pipe running. | |
4840 | */ | |
4841 | if (IS_GEN2(dev)) | |
4842 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); | |
a5c4d7bc | 4843 | |
87d4300a ML |
4844 | /* |
4845 | * Vblank time updates from the shadow to live plane control register | |
4846 | * are blocked if the memory self-refresh mode is active at that | |
4847 | * moment. So to make sure the plane gets truly disabled, disable | |
4848 | * first the self-refresh mode. The self-refresh enable bit in turn | |
4849 | * will be checked/applied by the HW only at the next frame start | |
4850 | * event which is after the vblank start event, so we need to have a | |
4851 | * wait-for-vblank between disabling the plane and the pipe. | |
4852 | */ | |
4853 | if (HAS_GMCH_DISPLAY(dev)) | |
4854 | intel_set_memory_cxsr(dev_priv, false); | |
4855 | ||
4856 | mutex_lock(&dev->struct_mutex); | |
e35fef21 | 4857 | if (dev_priv->fbc.crtc == intel_crtc) |
7ff0ebcc | 4858 | intel_fbc_disable(dev); |
87d4300a | 4859 | mutex_unlock(&dev->struct_mutex); |
a5c4d7bc | 4860 | |
87d4300a ML |
4861 | /* |
4862 | * FIXME IPS should be fine as long as one plane is | |
4863 | * enabled, but in practice it seems to have problems | |
4864 | * when going from primary only to sprite only and vice | |
4865 | * versa. | |
4866 | */ | |
a5c4d7bc | 4867 | hsw_disable_ips(intel_crtc); |
87d4300a ML |
4868 | } |
4869 | ||
4870 | static void intel_crtc_enable_planes(struct drm_crtc *crtc) | |
4871 | { | |
87d4300a ML |
4872 | intel_enable_primary_hw_plane(crtc->primary, crtc); |
4873 | intel_enable_sprite_planes(crtc); | |
4874 | intel_crtc_update_cursor(crtc, true); | |
87d4300a ML |
4875 | |
4876 | intel_post_enable_primary(crtc); | |
4877 | } | |
4878 | ||
4879 | static void intel_crtc_disable_planes(struct drm_crtc *crtc) | |
4880 | { | |
4881 | struct drm_device *dev = crtc->dev; | |
4882 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4883 | struct intel_plane *intel_plane; | |
4884 | int pipe = intel_crtc->pipe; | |
4885 | ||
4886 | intel_crtc_wait_for_pending_flips(crtc); | |
4887 | ||
4888 | intel_pre_disable_primary(crtc); | |
a5c4d7bc | 4889 | |
7cac945f | 4890 | intel_crtc_dpms_overlay_disable(intel_crtc); |
27321ae8 ML |
4891 | for_each_intel_plane(dev, intel_plane) { |
4892 | if (intel_plane->pipe == pipe) { | |
4893 | struct drm_crtc *from = intel_plane->base.crtc; | |
4894 | ||
4895 | intel_plane->disable_plane(&intel_plane->base, | |
4896 | from ?: crtc, true); | |
4897 | } | |
4898 | } | |
f98551ae | 4899 | |
f99d7069 DV |
4900 | /* |
4901 | * FIXME: Once we grow proper nuclear flip support out of this we need | |
4902 | * to compute the mask of flip planes precisely. For the time being | |
4903 | * consider this a flip to a NULL plane. | |
4904 | */ | |
4905 | intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_ALL_MASK(pipe)); | |
a5c4d7bc VS |
4906 | } |
4907 | ||
f67a559d JB |
4908 | static void ironlake_crtc_enable(struct drm_crtc *crtc) |
4909 | { | |
4910 | struct drm_device *dev = crtc->dev; | |
4911 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4912 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 4913 | struct intel_encoder *encoder; |
f67a559d | 4914 | int pipe = intel_crtc->pipe; |
f67a559d | 4915 | |
83d65738 | 4916 | WARN_ON(!crtc->state->enable); |
08a48469 | 4917 | |
f67a559d JB |
4918 | if (intel_crtc->active) |
4919 | return; | |
4920 | ||
6e3c9717 | 4921 | if (intel_crtc->config->has_pch_encoder) |
b14b1055 DV |
4922 | intel_prepare_shared_dpll(intel_crtc); |
4923 | ||
6e3c9717 | 4924 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 4925 | intel_dp_set_m_n(intel_crtc, M1_N1); |
29407aab DV |
4926 | |
4927 | intel_set_pipe_timings(intel_crtc); | |
4928 | ||
6e3c9717 | 4929 | if (intel_crtc->config->has_pch_encoder) { |
29407aab | 4930 | intel_cpu_transcoder_set_m_n(intel_crtc, |
6e3c9717 | 4931 | &intel_crtc->config->fdi_m_n, NULL); |
29407aab DV |
4932 | } |
4933 | ||
4934 | ironlake_set_pipeconf(crtc); | |
4935 | ||
f67a559d | 4936 | intel_crtc->active = true; |
8664281b | 4937 | |
a72e4c9f DV |
4938 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4939 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, true); | |
8664281b | 4940 | |
f6736a1a | 4941 | for_each_encoder_on_crtc(dev, crtc, encoder) |
952735ee DV |
4942 | if (encoder->pre_enable) |
4943 | encoder->pre_enable(encoder); | |
f67a559d | 4944 | |
6e3c9717 | 4945 | if (intel_crtc->config->has_pch_encoder) { |
fff367c7 DV |
4946 | /* Note: FDI PLL enabling _must_ be done before we enable the |
4947 | * cpu pipes, hence this is separate from all the other fdi/pch | |
4948 | * enabling. */ | |
88cefb6c | 4949 | ironlake_fdi_pll_enable(intel_crtc); |
46b6f814 DV |
4950 | } else { |
4951 | assert_fdi_tx_disabled(dev_priv, pipe); | |
4952 | assert_fdi_rx_disabled(dev_priv, pipe); | |
4953 | } | |
f67a559d | 4954 | |
b074cec8 | 4955 | ironlake_pfit_enable(intel_crtc); |
f67a559d | 4956 | |
9c54c0dd JB |
4957 | /* |
4958 | * On ILK+ LUT must be loaded before the pipe is running but with | |
4959 | * clocks enabled | |
4960 | */ | |
4961 | intel_crtc_load_lut(crtc); | |
4962 | ||
f37fcc2a | 4963 | intel_update_watermarks(crtc); |
e1fdc473 | 4964 | intel_enable_pipe(intel_crtc); |
f67a559d | 4965 | |
6e3c9717 | 4966 | if (intel_crtc->config->has_pch_encoder) |
f67a559d | 4967 | ironlake_pch_enable(crtc); |
c98e9dcf | 4968 | |
f9b61ff6 DV |
4969 | assert_vblank_disabled(crtc); |
4970 | drm_crtc_vblank_on(crtc); | |
4971 | ||
fa5c73b1 DV |
4972 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4973 | encoder->enable(encoder); | |
61b77ddd DV |
4974 | |
4975 | if (HAS_PCH_CPT(dev)) | |
a1520318 | 4976 | cpt_verify_modeset(dev, intel_crtc->pipe); |
6be4a607 JB |
4977 | } |
4978 | ||
42db64ef PZ |
4979 | /* IPS only exists on ULT machines and is tied to pipe A. */ |
4980 | static bool hsw_crtc_supports_ips(struct intel_crtc *crtc) | |
4981 | { | |
f5adf94e | 4982 | return HAS_IPS(crtc->base.dev) && crtc->pipe == PIPE_A; |
42db64ef PZ |
4983 | } |
4984 | ||
e4916946 PZ |
4985 | /* |
4986 | * This implements the workaround described in the "notes" section of the mode | |
4987 | * set sequence documentation. When going from no pipes or single pipe to | |
4988 | * multiple pipes, and planes are enabled after the pipe, we need to wait at | |
4989 | * least 2 vblanks on the first pipe before enabling planes on the second pipe. | |
4990 | */ | |
4991 | static void haswell_mode_set_planes_workaround(struct intel_crtc *crtc) | |
4992 | { | |
4993 | struct drm_device *dev = crtc->base.dev; | |
4994 | struct intel_crtc *crtc_it, *other_active_crtc = NULL; | |
4995 | ||
4996 | /* We want to get the other_active_crtc only if there's only 1 other | |
4997 | * active crtc. */ | |
d3fcc808 | 4998 | for_each_intel_crtc(dev, crtc_it) { |
e4916946 PZ |
4999 | if (!crtc_it->active || crtc_it == crtc) |
5000 | continue; | |
5001 | ||
5002 | if (other_active_crtc) | |
5003 | return; | |
5004 | ||
5005 | other_active_crtc = crtc_it; | |
5006 | } | |
5007 | if (!other_active_crtc) | |
5008 | return; | |
5009 | ||
5010 | intel_wait_for_vblank(dev, other_active_crtc->pipe); | |
5011 | intel_wait_for_vblank(dev, other_active_crtc->pipe); | |
5012 | } | |
5013 | ||
4f771f10 PZ |
5014 | static void haswell_crtc_enable(struct drm_crtc *crtc) |
5015 | { | |
5016 | struct drm_device *dev = crtc->dev; | |
5017 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5018 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
5019 | struct intel_encoder *encoder; | |
5020 | int pipe = intel_crtc->pipe; | |
4f771f10 | 5021 | |
83d65738 | 5022 | WARN_ON(!crtc->state->enable); |
4f771f10 PZ |
5023 | |
5024 | if (intel_crtc->active) | |
5025 | return; | |
5026 | ||
df8ad70c DV |
5027 | if (intel_crtc_to_shared_dpll(intel_crtc)) |
5028 | intel_enable_shared_dpll(intel_crtc); | |
5029 | ||
6e3c9717 | 5030 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 5031 | intel_dp_set_m_n(intel_crtc, M1_N1); |
229fca97 DV |
5032 | |
5033 | intel_set_pipe_timings(intel_crtc); | |
5034 | ||
6e3c9717 ACO |
5035 | if (intel_crtc->config->cpu_transcoder != TRANSCODER_EDP) { |
5036 | I915_WRITE(PIPE_MULT(intel_crtc->config->cpu_transcoder), | |
5037 | intel_crtc->config->pixel_multiplier - 1); | |
ebb69c95 CT |
5038 | } |
5039 | ||
6e3c9717 | 5040 | if (intel_crtc->config->has_pch_encoder) { |
229fca97 | 5041 | intel_cpu_transcoder_set_m_n(intel_crtc, |
6e3c9717 | 5042 | &intel_crtc->config->fdi_m_n, NULL); |
229fca97 DV |
5043 | } |
5044 | ||
5045 | haswell_set_pipeconf(crtc); | |
5046 | ||
5047 | intel_set_pipe_csc(crtc); | |
5048 | ||
4f771f10 | 5049 | intel_crtc->active = true; |
8664281b | 5050 | |
a72e4c9f | 5051 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4f771f10 PZ |
5052 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5053 | if (encoder->pre_enable) | |
5054 | encoder->pre_enable(encoder); | |
5055 | ||
6e3c9717 | 5056 | if (intel_crtc->config->has_pch_encoder) { |
a72e4c9f DV |
5057 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, |
5058 | true); | |
4fe9467d ID |
5059 | dev_priv->display.fdi_link_train(crtc); |
5060 | } | |
5061 | ||
1f544388 | 5062 | intel_ddi_enable_pipe_clock(intel_crtc); |
4f771f10 | 5063 | |
ff6d9f55 | 5064 | if (INTEL_INFO(dev)->gen == 9) |
a1b2278e | 5065 | skylake_pfit_update(intel_crtc, 1); |
ff6d9f55 | 5066 | else if (INTEL_INFO(dev)->gen < 9) |
bd2e244f | 5067 | ironlake_pfit_enable(intel_crtc); |
ff6d9f55 JB |
5068 | else |
5069 | MISSING_CASE(INTEL_INFO(dev)->gen); | |
4f771f10 PZ |
5070 | |
5071 | /* | |
5072 | * On ILK+ LUT must be loaded before the pipe is running but with | |
5073 | * clocks enabled | |
5074 | */ | |
5075 | intel_crtc_load_lut(crtc); | |
5076 | ||
1f544388 | 5077 | intel_ddi_set_pipe_settings(crtc); |
8228c251 | 5078 | intel_ddi_enable_transcoder_func(crtc); |
4f771f10 | 5079 | |
f37fcc2a | 5080 | intel_update_watermarks(crtc); |
e1fdc473 | 5081 | intel_enable_pipe(intel_crtc); |
42db64ef | 5082 | |
6e3c9717 | 5083 | if (intel_crtc->config->has_pch_encoder) |
1507e5bd | 5084 | lpt_pch_enable(crtc); |
4f771f10 | 5085 | |
6e3c9717 | 5086 | if (intel_crtc->config->dp_encoder_is_mst) |
0e32b39c DA |
5087 | intel_ddi_set_vc_payload_alloc(crtc, true); |
5088 | ||
f9b61ff6 DV |
5089 | assert_vblank_disabled(crtc); |
5090 | drm_crtc_vblank_on(crtc); | |
5091 | ||
8807e55b | 5092 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
4f771f10 | 5093 | encoder->enable(encoder); |
8807e55b JN |
5094 | intel_opregion_notify_encoder(encoder, true); |
5095 | } | |
4f771f10 | 5096 | |
e4916946 PZ |
5097 | /* If we change the relative order between pipe/planes enabling, we need |
5098 | * to change the workaround. */ | |
5099 | haswell_mode_set_planes_workaround(intel_crtc); | |
4f771f10 PZ |
5100 | } |
5101 | ||
3f8dce3a DV |
5102 | static void ironlake_pfit_disable(struct intel_crtc *crtc) |
5103 | { | |
5104 | struct drm_device *dev = crtc->base.dev; | |
5105 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5106 | int pipe = crtc->pipe; | |
5107 | ||
5108 | /* To avoid upsetting the power well on haswell only disable the pfit if | |
5109 | * it's in use. The hw state code will make sure we get this right. */ | |
6e3c9717 | 5110 | if (crtc->config->pch_pfit.enabled) { |
3f8dce3a DV |
5111 | I915_WRITE(PF_CTL(pipe), 0); |
5112 | I915_WRITE(PF_WIN_POS(pipe), 0); | |
5113 | I915_WRITE(PF_WIN_SZ(pipe), 0); | |
5114 | } | |
5115 | } | |
5116 | ||
6be4a607 JB |
5117 | static void ironlake_crtc_disable(struct drm_crtc *crtc) |
5118 | { | |
5119 | struct drm_device *dev = crtc->dev; | |
5120 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5121 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 5122 | struct intel_encoder *encoder; |
6be4a607 | 5123 | int pipe = intel_crtc->pipe; |
5eddb70b | 5124 | u32 reg, temp; |
b52eb4dc | 5125 | |
f7abfe8b CW |
5126 | if (!intel_crtc->active) |
5127 | return; | |
5128 | ||
ea9d758d DV |
5129 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5130 | encoder->disable(encoder); | |
5131 | ||
f9b61ff6 DV |
5132 | drm_crtc_vblank_off(crtc); |
5133 | assert_vblank_disabled(crtc); | |
5134 | ||
6e3c9717 | 5135 | if (intel_crtc->config->has_pch_encoder) |
a72e4c9f | 5136 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, false); |
d925c59a | 5137 | |
575f7ab7 | 5138 | intel_disable_pipe(intel_crtc); |
32f9d658 | 5139 | |
3f8dce3a | 5140 | ironlake_pfit_disable(intel_crtc); |
2c07245f | 5141 | |
bf49ec8c DV |
5142 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5143 | if (encoder->post_disable) | |
5144 | encoder->post_disable(encoder); | |
2c07245f | 5145 | |
6e3c9717 | 5146 | if (intel_crtc->config->has_pch_encoder) { |
d925c59a | 5147 | ironlake_fdi_disable(crtc); |
913d8d11 | 5148 | |
d925c59a | 5149 | ironlake_disable_pch_transcoder(dev_priv, pipe); |
6be4a607 | 5150 | |
d925c59a DV |
5151 | if (HAS_PCH_CPT(dev)) { |
5152 | /* disable TRANS_DP_CTL */ | |
5153 | reg = TRANS_DP_CTL(pipe); | |
5154 | temp = I915_READ(reg); | |
5155 | temp &= ~(TRANS_DP_OUTPUT_ENABLE | | |
5156 | TRANS_DP_PORT_SEL_MASK); | |
5157 | temp |= TRANS_DP_PORT_SEL_NONE; | |
5158 | I915_WRITE(reg, temp); | |
5159 | ||
5160 | /* disable DPLL_SEL */ | |
5161 | temp = I915_READ(PCH_DPLL_SEL); | |
11887397 | 5162 | temp &= ~(TRANS_DPLL_ENABLE(pipe) | TRANS_DPLLB_SEL(pipe)); |
d925c59a | 5163 | I915_WRITE(PCH_DPLL_SEL, temp); |
9db4a9c7 | 5164 | } |
e3421a18 | 5165 | |
d925c59a | 5166 | /* disable PCH DPLL */ |
e72f9fbf | 5167 | intel_disable_shared_dpll(intel_crtc); |
8db9d77b | 5168 | |
d925c59a DV |
5169 | ironlake_fdi_pll_disable(intel_crtc); |
5170 | } | |
6b383a7f | 5171 | |
f7abfe8b | 5172 | intel_crtc->active = false; |
46ba614c | 5173 | intel_update_watermarks(crtc); |
d1ebd816 BW |
5174 | |
5175 | mutex_lock(&dev->struct_mutex); | |
7ff0ebcc | 5176 | intel_fbc_update(dev); |
d1ebd816 | 5177 | mutex_unlock(&dev->struct_mutex); |
6be4a607 | 5178 | } |
1b3c7a47 | 5179 | |
4f771f10 | 5180 | static void haswell_crtc_disable(struct drm_crtc *crtc) |
ee7b9f93 | 5181 | { |
4f771f10 PZ |
5182 | struct drm_device *dev = crtc->dev; |
5183 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ee7b9f93 | 5184 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4f771f10 | 5185 | struct intel_encoder *encoder; |
6e3c9717 | 5186 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
ee7b9f93 | 5187 | |
4f771f10 PZ |
5188 | if (!intel_crtc->active) |
5189 | return; | |
5190 | ||
8807e55b JN |
5191 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
5192 | intel_opregion_notify_encoder(encoder, false); | |
4f771f10 | 5193 | encoder->disable(encoder); |
8807e55b | 5194 | } |
4f771f10 | 5195 | |
f9b61ff6 DV |
5196 | drm_crtc_vblank_off(crtc); |
5197 | assert_vblank_disabled(crtc); | |
5198 | ||
6e3c9717 | 5199 | if (intel_crtc->config->has_pch_encoder) |
a72e4c9f DV |
5200 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, |
5201 | false); | |
575f7ab7 | 5202 | intel_disable_pipe(intel_crtc); |
4f771f10 | 5203 | |
6e3c9717 | 5204 | if (intel_crtc->config->dp_encoder_is_mst) |
a4bf214f VS |
5205 | intel_ddi_set_vc_payload_alloc(crtc, false); |
5206 | ||
ad80a810 | 5207 | intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder); |
4f771f10 | 5208 | |
ff6d9f55 | 5209 | if (INTEL_INFO(dev)->gen == 9) |
a1b2278e | 5210 | skylake_pfit_update(intel_crtc, 0); |
ff6d9f55 | 5211 | else if (INTEL_INFO(dev)->gen < 9) |
bd2e244f | 5212 | ironlake_pfit_disable(intel_crtc); |
ff6d9f55 JB |
5213 | else |
5214 | MISSING_CASE(INTEL_INFO(dev)->gen); | |
4f771f10 | 5215 | |
1f544388 | 5216 | intel_ddi_disable_pipe_clock(intel_crtc); |
4f771f10 | 5217 | |
6e3c9717 | 5218 | if (intel_crtc->config->has_pch_encoder) { |
ab4d966c | 5219 | lpt_disable_pch_transcoder(dev_priv); |
1ad960f2 | 5220 | intel_ddi_fdi_disable(crtc); |
83616634 | 5221 | } |
4f771f10 | 5222 | |
97b040aa ID |
5223 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5224 | if (encoder->post_disable) | |
5225 | encoder->post_disable(encoder); | |
5226 | ||
4f771f10 | 5227 | intel_crtc->active = false; |
46ba614c | 5228 | intel_update_watermarks(crtc); |
4f771f10 PZ |
5229 | |
5230 | mutex_lock(&dev->struct_mutex); | |
7ff0ebcc | 5231 | intel_fbc_update(dev); |
4f771f10 | 5232 | mutex_unlock(&dev->struct_mutex); |
df8ad70c DV |
5233 | |
5234 | if (intel_crtc_to_shared_dpll(intel_crtc)) | |
5235 | intel_disable_shared_dpll(intel_crtc); | |
4f771f10 PZ |
5236 | } |
5237 | ||
ee7b9f93 JB |
5238 | static void ironlake_crtc_off(struct drm_crtc *crtc) |
5239 | { | |
5240 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
e72f9fbf | 5241 | intel_put_shared_dpll(intel_crtc); |
ee7b9f93 JB |
5242 | } |
5243 | ||
6441ab5f | 5244 | |
2dd24552 JB |
5245 | static void i9xx_pfit_enable(struct intel_crtc *crtc) |
5246 | { | |
5247 | struct drm_device *dev = crtc->base.dev; | |
5248 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6e3c9717 | 5249 | struct intel_crtc_state *pipe_config = crtc->config; |
2dd24552 | 5250 | |
681a8504 | 5251 | if (!pipe_config->gmch_pfit.control) |
2dd24552 JB |
5252 | return; |
5253 | ||
2dd24552 | 5254 | /* |
c0b03411 DV |
5255 | * The panel fitter should only be adjusted whilst the pipe is disabled, |
5256 | * according to register description and PRM. | |
2dd24552 | 5257 | */ |
c0b03411 DV |
5258 | WARN_ON(I915_READ(PFIT_CONTROL) & PFIT_ENABLE); |
5259 | assert_pipe_disabled(dev_priv, crtc->pipe); | |
2dd24552 | 5260 | |
b074cec8 JB |
5261 | I915_WRITE(PFIT_PGM_RATIOS, pipe_config->gmch_pfit.pgm_ratios); |
5262 | I915_WRITE(PFIT_CONTROL, pipe_config->gmch_pfit.control); | |
5a80c45c DV |
5263 | |
5264 | /* Border color in case we don't scale up to the full screen. Black by | |
5265 | * default, change to something else for debugging. */ | |
5266 | I915_WRITE(BCLRPAT(crtc->pipe), 0); | |
2dd24552 JB |
5267 | } |
5268 | ||
d05410f9 DA |
5269 | static enum intel_display_power_domain port_to_power_domain(enum port port) |
5270 | { | |
5271 | switch (port) { | |
5272 | case PORT_A: | |
5273 | return POWER_DOMAIN_PORT_DDI_A_4_LANES; | |
5274 | case PORT_B: | |
5275 | return POWER_DOMAIN_PORT_DDI_B_4_LANES; | |
5276 | case PORT_C: | |
5277 | return POWER_DOMAIN_PORT_DDI_C_4_LANES; | |
5278 | case PORT_D: | |
5279 | return POWER_DOMAIN_PORT_DDI_D_4_LANES; | |
5280 | default: | |
5281 | WARN_ON_ONCE(1); | |
5282 | return POWER_DOMAIN_PORT_OTHER; | |
5283 | } | |
5284 | } | |
5285 | ||
77d22dca ID |
5286 | #define for_each_power_domain(domain, mask) \ |
5287 | for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \ | |
5288 | if ((1 << (domain)) & (mask)) | |
5289 | ||
319be8ae ID |
5290 | enum intel_display_power_domain |
5291 | intel_display_port_power_domain(struct intel_encoder *intel_encoder) | |
5292 | { | |
5293 | struct drm_device *dev = intel_encoder->base.dev; | |
5294 | struct intel_digital_port *intel_dig_port; | |
5295 | ||
5296 | switch (intel_encoder->type) { | |
5297 | case INTEL_OUTPUT_UNKNOWN: | |
5298 | /* Only DDI platforms should ever use this output type */ | |
5299 | WARN_ON_ONCE(!HAS_DDI(dev)); | |
5300 | case INTEL_OUTPUT_DISPLAYPORT: | |
5301 | case INTEL_OUTPUT_HDMI: | |
5302 | case INTEL_OUTPUT_EDP: | |
5303 | intel_dig_port = enc_to_dig_port(&intel_encoder->base); | |
d05410f9 | 5304 | return port_to_power_domain(intel_dig_port->port); |
0e32b39c DA |
5305 | case INTEL_OUTPUT_DP_MST: |
5306 | intel_dig_port = enc_to_mst(&intel_encoder->base)->primary; | |
5307 | return port_to_power_domain(intel_dig_port->port); | |
319be8ae ID |
5308 | case INTEL_OUTPUT_ANALOG: |
5309 | return POWER_DOMAIN_PORT_CRT; | |
5310 | case INTEL_OUTPUT_DSI: | |
5311 | return POWER_DOMAIN_PORT_DSI; | |
5312 | default: | |
5313 | return POWER_DOMAIN_PORT_OTHER; | |
5314 | } | |
5315 | } | |
5316 | ||
5317 | static unsigned long get_crtc_power_domains(struct drm_crtc *crtc) | |
77d22dca | 5318 | { |
319be8ae ID |
5319 | struct drm_device *dev = crtc->dev; |
5320 | struct intel_encoder *intel_encoder; | |
5321 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
5322 | enum pipe pipe = intel_crtc->pipe; | |
77d22dca ID |
5323 | unsigned long mask; |
5324 | enum transcoder transcoder; | |
5325 | ||
5326 | transcoder = intel_pipe_to_cpu_transcoder(dev->dev_private, pipe); | |
5327 | ||
5328 | mask = BIT(POWER_DOMAIN_PIPE(pipe)); | |
5329 | mask |= BIT(POWER_DOMAIN_TRANSCODER(transcoder)); | |
6e3c9717 ACO |
5330 | if (intel_crtc->config->pch_pfit.enabled || |
5331 | intel_crtc->config->pch_pfit.force_thru) | |
77d22dca ID |
5332 | mask |= BIT(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe)); |
5333 | ||
319be8ae ID |
5334 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) |
5335 | mask |= BIT(intel_display_port_power_domain(intel_encoder)); | |
5336 | ||
77d22dca ID |
5337 | return mask; |
5338 | } | |
5339 | ||
679dacd4 | 5340 | static void modeset_update_crtc_power_domains(struct drm_atomic_state *state) |
77d22dca | 5341 | { |
679dacd4 | 5342 | struct drm_device *dev = state->dev; |
77d22dca ID |
5343 | struct drm_i915_private *dev_priv = dev->dev_private; |
5344 | unsigned long pipe_domains[I915_MAX_PIPES] = { 0, }; | |
5345 | struct intel_crtc *crtc; | |
5346 | ||
5347 | /* | |
5348 | * First get all needed power domains, then put all unneeded, to avoid | |
5349 | * any unnecessary toggling of the power wells. | |
5350 | */ | |
d3fcc808 | 5351 | for_each_intel_crtc(dev, crtc) { |
77d22dca ID |
5352 | enum intel_display_power_domain domain; |
5353 | ||
83d65738 | 5354 | if (!crtc->base.state->enable) |
77d22dca ID |
5355 | continue; |
5356 | ||
319be8ae | 5357 | pipe_domains[crtc->pipe] = get_crtc_power_domains(&crtc->base); |
77d22dca ID |
5358 | |
5359 | for_each_power_domain(domain, pipe_domains[crtc->pipe]) | |
5360 | intel_display_power_get(dev_priv, domain); | |
5361 | } | |
5362 | ||
50f6e502 | 5363 | if (dev_priv->display.modeset_global_resources) |
679dacd4 | 5364 | dev_priv->display.modeset_global_resources(state); |
50f6e502 | 5365 | |
d3fcc808 | 5366 | for_each_intel_crtc(dev, crtc) { |
77d22dca ID |
5367 | enum intel_display_power_domain domain; |
5368 | ||
5369 | for_each_power_domain(domain, crtc->enabled_power_domains) | |
5370 | intel_display_power_put(dev_priv, domain); | |
5371 | ||
5372 | crtc->enabled_power_domains = pipe_domains[crtc->pipe]; | |
5373 | } | |
5374 | ||
5375 | intel_display_set_init_power(dev_priv, false); | |
5376 | } | |
5377 | ||
f8437dd1 VK |
5378 | void broxton_set_cdclk(struct drm_device *dev, int frequency) |
5379 | { | |
5380 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5381 | uint32_t divider; | |
5382 | uint32_t ratio; | |
5383 | uint32_t current_freq; | |
5384 | int ret; | |
5385 | ||
5386 | /* frequency = 19.2MHz * ratio / 2 / div{1,1.5,2,4} */ | |
5387 | switch (frequency) { | |
5388 | case 144000: | |
5389 | divider = BXT_CDCLK_CD2X_DIV_SEL_4; | |
5390 | ratio = BXT_DE_PLL_RATIO(60); | |
5391 | break; | |
5392 | case 288000: | |
5393 | divider = BXT_CDCLK_CD2X_DIV_SEL_2; | |
5394 | ratio = BXT_DE_PLL_RATIO(60); | |
5395 | break; | |
5396 | case 384000: | |
5397 | divider = BXT_CDCLK_CD2X_DIV_SEL_1_5; | |
5398 | ratio = BXT_DE_PLL_RATIO(60); | |
5399 | break; | |
5400 | case 576000: | |
5401 | divider = BXT_CDCLK_CD2X_DIV_SEL_1; | |
5402 | ratio = BXT_DE_PLL_RATIO(60); | |
5403 | break; | |
5404 | case 624000: | |
5405 | divider = BXT_CDCLK_CD2X_DIV_SEL_1; | |
5406 | ratio = BXT_DE_PLL_RATIO(65); | |
5407 | break; | |
5408 | case 19200: | |
5409 | /* | |
5410 | * Bypass frequency with DE PLL disabled. Init ratio, divider | |
5411 | * to suppress GCC warning. | |
5412 | */ | |
5413 | ratio = 0; | |
5414 | divider = 0; | |
5415 | break; | |
5416 | default: | |
5417 | DRM_ERROR("unsupported CDCLK freq %d", frequency); | |
5418 | ||
5419 | return; | |
5420 | } | |
5421 | ||
5422 | mutex_lock(&dev_priv->rps.hw_lock); | |
5423 | /* Inform power controller of upcoming frequency change */ | |
5424 | ret = sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ, | |
5425 | 0x80000000); | |
5426 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5427 | ||
5428 | if (ret) { | |
5429 | DRM_ERROR("PCode CDCLK freq change notify failed (err %d, freq %d)\n", | |
5430 | ret, frequency); | |
5431 | return; | |
5432 | } | |
5433 | ||
5434 | current_freq = I915_READ(CDCLK_CTL) & CDCLK_FREQ_DECIMAL_MASK; | |
5435 | /* convert from .1 fixpoint MHz with -1MHz offset to kHz */ | |
5436 | current_freq = current_freq * 500 + 1000; | |
5437 | ||
5438 | /* | |
5439 | * DE PLL has to be disabled when | |
5440 | * - setting to 19.2MHz (bypass, PLL isn't used) | |
5441 | * - before setting to 624MHz (PLL needs toggling) | |
5442 | * - before setting to any frequency from 624MHz (PLL needs toggling) | |
5443 | */ | |
5444 | if (frequency == 19200 || frequency == 624000 || | |
5445 | current_freq == 624000) { | |
5446 | I915_WRITE(BXT_DE_PLL_ENABLE, ~BXT_DE_PLL_PLL_ENABLE); | |
5447 | /* Timeout 200us */ | |
5448 | if (wait_for(!(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK), | |
5449 | 1)) | |
5450 | DRM_ERROR("timout waiting for DE PLL unlock\n"); | |
5451 | } | |
5452 | ||
5453 | if (frequency != 19200) { | |
5454 | uint32_t val; | |
5455 | ||
5456 | val = I915_READ(BXT_DE_PLL_CTL); | |
5457 | val &= ~BXT_DE_PLL_RATIO_MASK; | |
5458 | val |= ratio; | |
5459 | I915_WRITE(BXT_DE_PLL_CTL, val); | |
5460 | ||
5461 | I915_WRITE(BXT_DE_PLL_ENABLE, BXT_DE_PLL_PLL_ENABLE); | |
5462 | /* Timeout 200us */ | |
5463 | if (wait_for(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK, 1)) | |
5464 | DRM_ERROR("timeout waiting for DE PLL lock\n"); | |
5465 | ||
5466 | val = I915_READ(CDCLK_CTL); | |
5467 | val &= ~BXT_CDCLK_CD2X_DIV_SEL_MASK; | |
5468 | val |= divider; | |
5469 | /* | |
5470 | * Disable SSA Precharge when CD clock frequency < 500 MHz, | |
5471 | * enable otherwise. | |
5472 | */ | |
5473 | val &= ~BXT_CDCLK_SSA_PRECHARGE_ENABLE; | |
5474 | if (frequency >= 500000) | |
5475 | val |= BXT_CDCLK_SSA_PRECHARGE_ENABLE; | |
5476 | ||
5477 | val &= ~CDCLK_FREQ_DECIMAL_MASK; | |
5478 | /* convert from kHz to .1 fixpoint MHz with -1MHz offset */ | |
5479 | val |= (frequency - 1000) / 500; | |
5480 | I915_WRITE(CDCLK_CTL, val); | |
5481 | } | |
5482 | ||
5483 | mutex_lock(&dev_priv->rps.hw_lock); | |
5484 | ret = sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ, | |
5485 | DIV_ROUND_UP(frequency, 25000)); | |
5486 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5487 | ||
5488 | if (ret) { | |
5489 | DRM_ERROR("PCode CDCLK freq set failed, (err %d, freq %d)\n", | |
5490 | ret, frequency); | |
5491 | return; | |
5492 | } | |
5493 | ||
5494 | dev_priv->cdclk_freq = frequency; | |
5495 | } | |
5496 | ||
5497 | void broxton_init_cdclk(struct drm_device *dev) | |
5498 | { | |
5499 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5500 | uint32_t val; | |
5501 | ||
5502 | /* | |
5503 | * NDE_RSTWRN_OPT RST PCH Handshake En must always be 0b on BXT | |
5504 | * or else the reset will hang because there is no PCH to respond. | |
5505 | * Move the handshake programming to initialization sequence. | |
5506 | * Previously was left up to BIOS. | |
5507 | */ | |
5508 | val = I915_READ(HSW_NDE_RSTWRN_OPT); | |
5509 | val &= ~RESET_PCH_HANDSHAKE_ENABLE; | |
5510 | I915_WRITE(HSW_NDE_RSTWRN_OPT, val); | |
5511 | ||
5512 | /* Enable PG1 for cdclk */ | |
5513 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); | |
5514 | ||
5515 | /* check if cd clock is enabled */ | |
5516 | if (I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_PLL_ENABLE) { | |
5517 | DRM_DEBUG_KMS("Display already initialized\n"); | |
5518 | return; | |
5519 | } | |
5520 | ||
5521 | /* | |
5522 | * FIXME: | |
5523 | * - The initial CDCLK needs to be read from VBT. | |
5524 | * Need to make this change after VBT has changes for BXT. | |
5525 | * - check if setting the max (or any) cdclk freq is really necessary | |
5526 | * here, it belongs to modeset time | |
5527 | */ | |
5528 | broxton_set_cdclk(dev, 624000); | |
5529 | ||
5530 | I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) | DBUF_POWER_REQUEST); | |
22e02c0b VS |
5531 | POSTING_READ(DBUF_CTL); |
5532 | ||
f8437dd1 VK |
5533 | udelay(10); |
5534 | ||
5535 | if (!(I915_READ(DBUF_CTL) & DBUF_POWER_STATE)) | |
5536 | DRM_ERROR("DBuf power enable timeout!\n"); | |
5537 | } | |
5538 | ||
5539 | void broxton_uninit_cdclk(struct drm_device *dev) | |
5540 | { | |
5541 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5542 | ||
5543 | I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) & ~DBUF_POWER_REQUEST); | |
22e02c0b VS |
5544 | POSTING_READ(DBUF_CTL); |
5545 | ||
f8437dd1 VK |
5546 | udelay(10); |
5547 | ||
5548 | if (I915_READ(DBUF_CTL) & DBUF_POWER_STATE) | |
5549 | DRM_ERROR("DBuf power disable timeout!\n"); | |
5550 | ||
5551 | /* Set minimum (bypass) frequency, in effect turning off the DE PLL */ | |
5552 | broxton_set_cdclk(dev, 19200); | |
5553 | ||
5554 | intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); | |
5555 | } | |
5556 | ||
dfcab17e | 5557 | /* returns HPLL frequency in kHz */ |
f8bf63fd | 5558 | static int valleyview_get_vco(struct drm_i915_private *dev_priv) |
30a970c6 | 5559 | { |
586f49dc | 5560 | int hpll_freq, vco_freq[] = { 800, 1600, 2000, 2400 }; |
30a970c6 | 5561 | |
586f49dc JB |
5562 | /* Obtain SKU information */ |
5563 | mutex_lock(&dev_priv->dpio_lock); | |
5564 | hpll_freq = vlv_cck_read(dev_priv, CCK_FUSE_REG) & | |
5565 | CCK_FUSE_HPLL_FREQ_MASK; | |
5566 | mutex_unlock(&dev_priv->dpio_lock); | |
30a970c6 | 5567 | |
dfcab17e | 5568 | return vco_freq[hpll_freq] * 1000; |
30a970c6 JB |
5569 | } |
5570 | ||
f8bf63fd VS |
5571 | static void vlv_update_cdclk(struct drm_device *dev) |
5572 | { | |
5573 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5574 | ||
164dfd28 | 5575 | dev_priv->cdclk_freq = dev_priv->display.get_display_clock_speed(dev); |
43dc52c3 | 5576 | DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz\n", |
164dfd28 | 5577 | dev_priv->cdclk_freq); |
f8bf63fd VS |
5578 | |
5579 | /* | |
5580 | * Program the gmbus_freq based on the cdclk frequency. | |
5581 | * BSpec erroneously claims we should aim for 4MHz, but | |
5582 | * in fact 1MHz is the correct frequency. | |
5583 | */ | |
164dfd28 | 5584 | I915_WRITE(GMBUSFREQ_VLV, DIV_ROUND_UP(dev_priv->cdclk_freq, 1000)); |
f8bf63fd VS |
5585 | } |
5586 | ||
30a970c6 JB |
5587 | /* Adjust CDclk dividers to allow high res or save power if possible */ |
5588 | static void valleyview_set_cdclk(struct drm_device *dev, int cdclk) | |
5589 | { | |
5590 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5591 | u32 val, cmd; | |
5592 | ||
164dfd28 VK |
5593 | WARN_ON(dev_priv->display.get_display_clock_speed(dev) |
5594 | != dev_priv->cdclk_freq); | |
d60c4473 | 5595 | |
dfcab17e | 5596 | if (cdclk >= 320000) /* jump to highest voltage for 400MHz too */ |
30a970c6 | 5597 | cmd = 2; |
dfcab17e | 5598 | else if (cdclk == 266667) |
30a970c6 JB |
5599 | cmd = 1; |
5600 | else | |
5601 | cmd = 0; | |
5602 | ||
5603 | mutex_lock(&dev_priv->rps.hw_lock); | |
5604 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); | |
5605 | val &= ~DSPFREQGUAR_MASK; | |
5606 | val |= (cmd << DSPFREQGUAR_SHIFT); | |
5607 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); | |
5608 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & | |
5609 | DSPFREQSTAT_MASK) == (cmd << DSPFREQSTAT_SHIFT), | |
5610 | 50)) { | |
5611 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
5612 | } | |
5613 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5614 | ||
dfcab17e | 5615 | if (cdclk == 400000) { |
6bcda4f0 | 5616 | u32 divider; |
30a970c6 | 5617 | |
6bcda4f0 | 5618 | divider = DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, cdclk) - 1; |
30a970c6 JB |
5619 | |
5620 | mutex_lock(&dev_priv->dpio_lock); | |
5621 | /* adjust cdclk divider */ | |
5622 | val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); | |
9cf33db5 | 5623 | val &= ~DISPLAY_FREQUENCY_VALUES; |
30a970c6 JB |
5624 | val |= divider; |
5625 | vlv_cck_write(dev_priv, CCK_DISPLAY_CLOCK_CONTROL, val); | |
a877e801 VS |
5626 | |
5627 | if (wait_for((vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL) & | |
5628 | DISPLAY_FREQUENCY_STATUS) == (divider << DISPLAY_FREQUENCY_STATUS_SHIFT), | |
5629 | 50)) | |
5630 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
30a970c6 JB |
5631 | mutex_unlock(&dev_priv->dpio_lock); |
5632 | } | |
5633 | ||
5634 | mutex_lock(&dev_priv->dpio_lock); | |
5635 | /* adjust self-refresh exit latency value */ | |
5636 | val = vlv_bunit_read(dev_priv, BUNIT_REG_BISOC); | |
5637 | val &= ~0x7f; | |
5638 | ||
5639 | /* | |
5640 | * For high bandwidth configs, we set a higher latency in the bunit | |
5641 | * so that the core display fetch happens in time to avoid underruns. | |
5642 | */ | |
dfcab17e | 5643 | if (cdclk == 400000) |
30a970c6 JB |
5644 | val |= 4500 / 250; /* 4.5 usec */ |
5645 | else | |
5646 | val |= 3000 / 250; /* 3.0 usec */ | |
5647 | vlv_bunit_write(dev_priv, BUNIT_REG_BISOC, val); | |
5648 | mutex_unlock(&dev_priv->dpio_lock); | |
5649 | ||
f8bf63fd | 5650 | vlv_update_cdclk(dev); |
30a970c6 JB |
5651 | } |
5652 | ||
383c5a6a VS |
5653 | static void cherryview_set_cdclk(struct drm_device *dev, int cdclk) |
5654 | { | |
5655 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5656 | u32 val, cmd; | |
5657 | ||
164dfd28 VK |
5658 | WARN_ON(dev_priv->display.get_display_clock_speed(dev) |
5659 | != dev_priv->cdclk_freq); | |
383c5a6a VS |
5660 | |
5661 | switch (cdclk) { | |
383c5a6a VS |
5662 | case 333333: |
5663 | case 320000: | |
383c5a6a | 5664 | case 266667: |
383c5a6a | 5665 | case 200000: |
383c5a6a VS |
5666 | break; |
5667 | default: | |
5f77eeb0 | 5668 | MISSING_CASE(cdclk); |
383c5a6a VS |
5669 | return; |
5670 | } | |
5671 | ||
9d0d3fda VS |
5672 | /* |
5673 | * Specs are full of misinformation, but testing on actual | |
5674 | * hardware has shown that we just need to write the desired | |
5675 | * CCK divider into the Punit register. | |
5676 | */ | |
5677 | cmd = DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, cdclk) - 1; | |
5678 | ||
383c5a6a VS |
5679 | mutex_lock(&dev_priv->rps.hw_lock); |
5680 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); | |
5681 | val &= ~DSPFREQGUAR_MASK_CHV; | |
5682 | val |= (cmd << DSPFREQGUAR_SHIFT_CHV); | |
5683 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); | |
5684 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & | |
5685 | DSPFREQSTAT_MASK_CHV) == (cmd << DSPFREQSTAT_SHIFT_CHV), | |
5686 | 50)) { | |
5687 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
5688 | } | |
5689 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5690 | ||
5691 | vlv_update_cdclk(dev); | |
5692 | } | |
5693 | ||
30a970c6 JB |
5694 | static int valleyview_calc_cdclk(struct drm_i915_private *dev_priv, |
5695 | int max_pixclk) | |
5696 | { | |
6bcda4f0 | 5697 | int freq_320 = (dev_priv->hpll_freq << 1) % 320000 != 0 ? 333333 : 320000; |
6cca3195 | 5698 | int limit = IS_CHERRYVIEW(dev_priv) ? 95 : 90; |
29dc7ef3 | 5699 | |
30a970c6 JB |
5700 | /* |
5701 | * Really only a few cases to deal with, as only 4 CDclks are supported: | |
5702 | * 200MHz | |
5703 | * 267MHz | |
29dc7ef3 | 5704 | * 320/333MHz (depends on HPLL freq) |
6cca3195 VS |
5705 | * 400MHz (VLV only) |
5706 | * So we check to see whether we're above 90% (VLV) or 95% (CHV) | |
5707 | * of the lower bin and adjust if needed. | |
e37c67a1 VS |
5708 | * |
5709 | * We seem to get an unstable or solid color picture at 200MHz. | |
5710 | * Not sure what's wrong. For now use 200MHz only when all pipes | |
5711 | * are off. | |
30a970c6 | 5712 | */ |
6cca3195 VS |
5713 | if (!IS_CHERRYVIEW(dev_priv) && |
5714 | max_pixclk > freq_320*limit/100) | |
dfcab17e | 5715 | return 400000; |
6cca3195 | 5716 | else if (max_pixclk > 266667*limit/100) |
29dc7ef3 | 5717 | return freq_320; |
e37c67a1 | 5718 | else if (max_pixclk > 0) |
dfcab17e | 5719 | return 266667; |
e37c67a1 VS |
5720 | else |
5721 | return 200000; | |
30a970c6 JB |
5722 | } |
5723 | ||
f8437dd1 VK |
5724 | static int broxton_calc_cdclk(struct drm_i915_private *dev_priv, |
5725 | int max_pixclk) | |
5726 | { | |
5727 | /* | |
5728 | * FIXME: | |
5729 | * - remove the guardband, it's not needed on BXT | |
5730 | * - set 19.2MHz bypass frequency if there are no active pipes | |
5731 | */ | |
5732 | if (max_pixclk > 576000*9/10) | |
5733 | return 624000; | |
5734 | else if (max_pixclk > 384000*9/10) | |
5735 | return 576000; | |
5736 | else if (max_pixclk > 288000*9/10) | |
5737 | return 384000; | |
5738 | else if (max_pixclk > 144000*9/10) | |
5739 | return 288000; | |
5740 | else | |
5741 | return 144000; | |
5742 | } | |
5743 | ||
a821fc46 ACO |
5744 | /* Compute the max pixel clock for new configuration. Uses atomic state if |
5745 | * that's non-NULL, look at current state otherwise. */ | |
5746 | static int intel_mode_max_pixclk(struct drm_device *dev, | |
5747 | struct drm_atomic_state *state) | |
30a970c6 | 5748 | { |
30a970c6 | 5749 | struct intel_crtc *intel_crtc; |
304603f4 | 5750 | struct intel_crtc_state *crtc_state; |
30a970c6 JB |
5751 | int max_pixclk = 0; |
5752 | ||
d3fcc808 | 5753 | for_each_intel_crtc(dev, intel_crtc) { |
a821fc46 ACO |
5754 | if (state) |
5755 | crtc_state = | |
5756 | intel_atomic_get_crtc_state(state, intel_crtc); | |
5757 | else | |
5758 | crtc_state = intel_crtc->config; | |
304603f4 ACO |
5759 | if (IS_ERR(crtc_state)) |
5760 | return PTR_ERR(crtc_state); | |
5761 | ||
5762 | if (!crtc_state->base.enable) | |
5763 | continue; | |
5764 | ||
5765 | max_pixclk = max(max_pixclk, | |
5766 | crtc_state->base.adjusted_mode.crtc_clock); | |
30a970c6 JB |
5767 | } |
5768 | ||
5769 | return max_pixclk; | |
5770 | } | |
5771 | ||
0a9ab303 | 5772 | static int valleyview_modeset_global_pipes(struct drm_atomic_state *state) |
30a970c6 | 5773 | { |
304603f4 | 5774 | struct drm_i915_private *dev_priv = to_i915(state->dev); |
0a9ab303 ACO |
5775 | struct drm_crtc *crtc; |
5776 | struct drm_crtc_state *crtc_state; | |
a821fc46 | 5777 | int max_pixclk = intel_mode_max_pixclk(state->dev, state); |
0a9ab303 | 5778 | int cdclk, i; |
30a970c6 | 5779 | |
304603f4 ACO |
5780 | if (max_pixclk < 0) |
5781 | return max_pixclk; | |
30a970c6 | 5782 | |
f8437dd1 VK |
5783 | if (IS_VALLEYVIEW(dev_priv)) |
5784 | cdclk = valleyview_calc_cdclk(dev_priv, max_pixclk); | |
5785 | else | |
5786 | cdclk = broxton_calc_cdclk(dev_priv, max_pixclk); | |
5787 | ||
5788 | if (cdclk == dev_priv->cdclk_freq) | |
304603f4 | 5789 | return 0; |
30a970c6 | 5790 | |
0a9ab303 ACO |
5791 | /* add all active pipes to the state */ |
5792 | for_each_crtc(state->dev, crtc) { | |
5793 | if (!crtc->state->enable) | |
5794 | continue; | |
5795 | ||
5796 | crtc_state = drm_atomic_get_crtc_state(state, crtc); | |
5797 | if (IS_ERR(crtc_state)) | |
5798 | return PTR_ERR(crtc_state); | |
5799 | } | |
5800 | ||
2f2d7aa1 | 5801 | /* disable/enable all currently active pipes while we change cdclk */ |
0a9ab303 ACO |
5802 | for_each_crtc_in_state(state, crtc, crtc_state, i) |
5803 | if (crtc_state->enable) | |
5804 | crtc_state->mode_changed = true; | |
304603f4 ACO |
5805 | |
5806 | return 0; | |
30a970c6 JB |
5807 | } |
5808 | ||
1e69cd74 VS |
5809 | static void vlv_program_pfi_credits(struct drm_i915_private *dev_priv) |
5810 | { | |
5811 | unsigned int credits, default_credits; | |
5812 | ||
5813 | if (IS_CHERRYVIEW(dev_priv)) | |
5814 | default_credits = PFI_CREDIT(12); | |
5815 | else | |
5816 | default_credits = PFI_CREDIT(8); | |
5817 | ||
164dfd28 | 5818 | if (DIV_ROUND_CLOSEST(dev_priv->cdclk_freq, 1000) >= dev_priv->rps.cz_freq) { |
1e69cd74 VS |
5819 | /* CHV suggested value is 31 or 63 */ |
5820 | if (IS_CHERRYVIEW(dev_priv)) | |
5821 | credits = PFI_CREDIT_31; | |
5822 | else | |
5823 | credits = PFI_CREDIT(15); | |
5824 | } else { | |
5825 | credits = default_credits; | |
5826 | } | |
5827 | ||
5828 | /* | |
5829 | * WA - write default credits before re-programming | |
5830 | * FIXME: should we also set the resend bit here? | |
5831 | */ | |
5832 | I915_WRITE(GCI_CONTROL, VGA_FAST_MODE_DISABLE | | |
5833 | default_credits); | |
5834 | ||
5835 | I915_WRITE(GCI_CONTROL, VGA_FAST_MODE_DISABLE | | |
5836 | credits | PFI_CREDIT_RESEND); | |
5837 | ||
5838 | /* | |
5839 | * FIXME is this guaranteed to clear | |
5840 | * immediately or should we poll for it? | |
5841 | */ | |
5842 | WARN_ON(I915_READ(GCI_CONTROL) & PFI_CREDIT_RESEND); | |
5843 | } | |
5844 | ||
a821fc46 | 5845 | static void valleyview_modeset_global_resources(struct drm_atomic_state *old_state) |
30a970c6 | 5846 | { |
a821fc46 | 5847 | struct drm_device *dev = old_state->dev; |
30a970c6 | 5848 | struct drm_i915_private *dev_priv = dev->dev_private; |
a821fc46 | 5849 | int max_pixclk = intel_mode_max_pixclk(dev, NULL); |
304603f4 ACO |
5850 | int req_cdclk; |
5851 | ||
a821fc46 ACO |
5852 | /* The path in intel_mode_max_pixclk() with a NULL atomic state should |
5853 | * never fail. */ | |
304603f4 ACO |
5854 | if (WARN_ON(max_pixclk < 0)) |
5855 | return; | |
30a970c6 | 5856 | |
304603f4 | 5857 | req_cdclk = valleyview_calc_cdclk(dev_priv, max_pixclk); |
30a970c6 | 5858 | |
164dfd28 | 5859 | if (req_cdclk != dev_priv->cdclk_freq) { |
738c05c0 ID |
5860 | /* |
5861 | * FIXME: We can end up here with all power domains off, yet | |
5862 | * with a CDCLK frequency other than the minimum. To account | |
5863 | * for this take the PIPE-A power domain, which covers the HW | |
5864 | * blocks needed for the following programming. This can be | |
5865 | * removed once it's guaranteed that we get here either with | |
5866 | * the minimum CDCLK set, or the required power domains | |
5867 | * enabled. | |
5868 | */ | |
5869 | intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A); | |
5870 | ||
383c5a6a VS |
5871 | if (IS_CHERRYVIEW(dev)) |
5872 | cherryview_set_cdclk(dev, req_cdclk); | |
5873 | else | |
5874 | valleyview_set_cdclk(dev, req_cdclk); | |
738c05c0 | 5875 | |
1e69cd74 VS |
5876 | vlv_program_pfi_credits(dev_priv); |
5877 | ||
738c05c0 | 5878 | intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A); |
383c5a6a | 5879 | } |
30a970c6 JB |
5880 | } |
5881 | ||
89b667f8 JB |
5882 | static void valleyview_crtc_enable(struct drm_crtc *crtc) |
5883 | { | |
5884 | struct drm_device *dev = crtc->dev; | |
a72e4c9f | 5885 | struct drm_i915_private *dev_priv = to_i915(dev); |
89b667f8 JB |
5886 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5887 | struct intel_encoder *encoder; | |
5888 | int pipe = intel_crtc->pipe; | |
23538ef1 | 5889 | bool is_dsi; |
89b667f8 | 5890 | |
83d65738 | 5891 | WARN_ON(!crtc->state->enable); |
89b667f8 JB |
5892 | |
5893 | if (intel_crtc->active) | |
5894 | return; | |
5895 | ||
409ee761 | 5896 | is_dsi = intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI); |
8525a235 | 5897 | |
1ae0d137 VS |
5898 | if (!is_dsi) { |
5899 | if (IS_CHERRYVIEW(dev)) | |
6e3c9717 | 5900 | chv_prepare_pll(intel_crtc, intel_crtc->config); |
1ae0d137 | 5901 | else |
6e3c9717 | 5902 | vlv_prepare_pll(intel_crtc, intel_crtc->config); |
1ae0d137 | 5903 | } |
5b18e57c | 5904 | |
6e3c9717 | 5905 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 5906 | intel_dp_set_m_n(intel_crtc, M1_N1); |
5b18e57c DV |
5907 | |
5908 | intel_set_pipe_timings(intel_crtc); | |
5909 | ||
c14b0485 VS |
5910 | if (IS_CHERRYVIEW(dev) && pipe == PIPE_B) { |
5911 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5912 | ||
5913 | I915_WRITE(CHV_BLEND(pipe), CHV_BLEND_LEGACY); | |
5914 | I915_WRITE(CHV_CANVAS(pipe), 0); | |
5915 | } | |
5916 | ||
5b18e57c DV |
5917 | i9xx_set_pipeconf(intel_crtc); |
5918 | ||
89b667f8 | 5919 | intel_crtc->active = true; |
89b667f8 | 5920 | |
a72e4c9f | 5921 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4a3436e8 | 5922 | |
89b667f8 JB |
5923 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5924 | if (encoder->pre_pll_enable) | |
5925 | encoder->pre_pll_enable(encoder); | |
5926 | ||
9d556c99 CML |
5927 | if (!is_dsi) { |
5928 | if (IS_CHERRYVIEW(dev)) | |
6e3c9717 | 5929 | chv_enable_pll(intel_crtc, intel_crtc->config); |
9d556c99 | 5930 | else |
6e3c9717 | 5931 | vlv_enable_pll(intel_crtc, intel_crtc->config); |
9d556c99 | 5932 | } |
89b667f8 JB |
5933 | |
5934 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
5935 | if (encoder->pre_enable) | |
5936 | encoder->pre_enable(encoder); | |
5937 | ||
2dd24552 JB |
5938 | i9xx_pfit_enable(intel_crtc); |
5939 | ||
63cbb074 VS |
5940 | intel_crtc_load_lut(crtc); |
5941 | ||
f37fcc2a | 5942 | intel_update_watermarks(crtc); |
e1fdc473 | 5943 | intel_enable_pipe(intel_crtc); |
be6a6f8e | 5944 | |
4b3a9526 VS |
5945 | assert_vblank_disabled(crtc); |
5946 | drm_crtc_vblank_on(crtc); | |
5947 | ||
f9b61ff6 DV |
5948 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5949 | encoder->enable(encoder); | |
89b667f8 JB |
5950 | } |
5951 | ||
f13c2ef3 DV |
5952 | static void i9xx_set_pll_dividers(struct intel_crtc *crtc) |
5953 | { | |
5954 | struct drm_device *dev = crtc->base.dev; | |
5955 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5956 | ||
6e3c9717 ACO |
5957 | I915_WRITE(FP0(crtc->pipe), crtc->config->dpll_hw_state.fp0); |
5958 | I915_WRITE(FP1(crtc->pipe), crtc->config->dpll_hw_state.fp1); | |
f13c2ef3 DV |
5959 | } |
5960 | ||
0b8765c6 | 5961 | static void i9xx_crtc_enable(struct drm_crtc *crtc) |
79e53945 JB |
5962 | { |
5963 | struct drm_device *dev = crtc->dev; | |
a72e4c9f | 5964 | struct drm_i915_private *dev_priv = to_i915(dev); |
79e53945 | 5965 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
ef9c3aee | 5966 | struct intel_encoder *encoder; |
79e53945 | 5967 | int pipe = intel_crtc->pipe; |
79e53945 | 5968 | |
83d65738 | 5969 | WARN_ON(!crtc->state->enable); |
08a48469 | 5970 | |
f7abfe8b CW |
5971 | if (intel_crtc->active) |
5972 | return; | |
5973 | ||
f13c2ef3 DV |
5974 | i9xx_set_pll_dividers(intel_crtc); |
5975 | ||
6e3c9717 | 5976 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 5977 | intel_dp_set_m_n(intel_crtc, M1_N1); |
5b18e57c DV |
5978 | |
5979 | intel_set_pipe_timings(intel_crtc); | |
5980 | ||
5b18e57c DV |
5981 | i9xx_set_pipeconf(intel_crtc); |
5982 | ||
f7abfe8b | 5983 | intel_crtc->active = true; |
6b383a7f | 5984 | |
4a3436e8 | 5985 | if (!IS_GEN2(dev)) |
a72e4c9f | 5986 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4a3436e8 | 5987 | |
9d6d9f19 MK |
5988 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5989 | if (encoder->pre_enable) | |
5990 | encoder->pre_enable(encoder); | |
5991 | ||
f6736a1a DV |
5992 | i9xx_enable_pll(intel_crtc); |
5993 | ||
2dd24552 JB |
5994 | i9xx_pfit_enable(intel_crtc); |
5995 | ||
63cbb074 VS |
5996 | intel_crtc_load_lut(crtc); |
5997 | ||
f37fcc2a | 5998 | intel_update_watermarks(crtc); |
e1fdc473 | 5999 | intel_enable_pipe(intel_crtc); |
be6a6f8e | 6000 | |
4b3a9526 VS |
6001 | assert_vblank_disabled(crtc); |
6002 | drm_crtc_vblank_on(crtc); | |
6003 | ||
f9b61ff6 DV |
6004 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6005 | encoder->enable(encoder); | |
0b8765c6 | 6006 | } |
79e53945 | 6007 | |
87476d63 DV |
6008 | static void i9xx_pfit_disable(struct intel_crtc *crtc) |
6009 | { | |
6010 | struct drm_device *dev = crtc->base.dev; | |
6011 | struct drm_i915_private *dev_priv = dev->dev_private; | |
87476d63 | 6012 | |
6e3c9717 | 6013 | if (!crtc->config->gmch_pfit.control) |
328d8e82 | 6014 | return; |
87476d63 | 6015 | |
328d8e82 | 6016 | assert_pipe_disabled(dev_priv, crtc->pipe); |
87476d63 | 6017 | |
328d8e82 DV |
6018 | DRM_DEBUG_DRIVER("disabling pfit, current: 0x%08x\n", |
6019 | I915_READ(PFIT_CONTROL)); | |
6020 | I915_WRITE(PFIT_CONTROL, 0); | |
87476d63 DV |
6021 | } |
6022 | ||
0b8765c6 JB |
6023 | static void i9xx_crtc_disable(struct drm_crtc *crtc) |
6024 | { | |
6025 | struct drm_device *dev = crtc->dev; | |
6026 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6027 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 6028 | struct intel_encoder *encoder; |
0b8765c6 | 6029 | int pipe = intel_crtc->pipe; |
ef9c3aee | 6030 | |
f7abfe8b CW |
6031 | if (!intel_crtc->active) |
6032 | return; | |
6033 | ||
6304cd91 VS |
6034 | /* |
6035 | * On gen2 planes are double buffered but the pipe isn't, so we must | |
6036 | * wait for planes to fully turn off before disabling the pipe. | |
564ed191 ID |
6037 | * We also need to wait on all gmch platforms because of the |
6038 | * self-refresh mode constraint explained above. | |
6304cd91 | 6039 | */ |
564ed191 | 6040 | intel_wait_for_vblank(dev, pipe); |
6304cd91 | 6041 | |
4b3a9526 VS |
6042 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6043 | encoder->disable(encoder); | |
6044 | ||
f9b61ff6 DV |
6045 | drm_crtc_vblank_off(crtc); |
6046 | assert_vblank_disabled(crtc); | |
6047 | ||
575f7ab7 | 6048 | intel_disable_pipe(intel_crtc); |
24a1f16d | 6049 | |
87476d63 | 6050 | i9xx_pfit_disable(intel_crtc); |
24a1f16d | 6051 | |
89b667f8 JB |
6052 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6053 | if (encoder->post_disable) | |
6054 | encoder->post_disable(encoder); | |
6055 | ||
409ee761 | 6056 | if (!intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI)) { |
076ed3b2 CML |
6057 | if (IS_CHERRYVIEW(dev)) |
6058 | chv_disable_pll(dev_priv, pipe); | |
6059 | else if (IS_VALLEYVIEW(dev)) | |
6060 | vlv_disable_pll(dev_priv, pipe); | |
6061 | else | |
1c4e0274 | 6062 | i9xx_disable_pll(intel_crtc); |
076ed3b2 | 6063 | } |
0b8765c6 | 6064 | |
4a3436e8 | 6065 | if (!IS_GEN2(dev)) |
a72e4c9f | 6066 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); |
4a3436e8 | 6067 | |
f7abfe8b | 6068 | intel_crtc->active = false; |
46ba614c | 6069 | intel_update_watermarks(crtc); |
f37fcc2a | 6070 | |
efa9624e | 6071 | mutex_lock(&dev->struct_mutex); |
7ff0ebcc | 6072 | intel_fbc_update(dev); |
efa9624e | 6073 | mutex_unlock(&dev->struct_mutex); |
0b8765c6 JB |
6074 | } |
6075 | ||
ee7b9f93 JB |
6076 | static void i9xx_crtc_off(struct drm_crtc *crtc) |
6077 | { | |
6078 | } | |
6079 | ||
b04c5bd6 BF |
6080 | /* Master function to enable/disable CRTC and corresponding power wells */ |
6081 | void intel_crtc_control(struct drm_crtc *crtc, bool enable) | |
976f8a20 DV |
6082 | { |
6083 | struct drm_device *dev = crtc->dev; | |
6084 | struct drm_i915_private *dev_priv = dev->dev_private; | |
0e572fe7 | 6085 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
0e572fe7 DV |
6086 | enum intel_display_power_domain domain; |
6087 | unsigned long domains; | |
976f8a20 | 6088 | |
0e572fe7 DV |
6089 | if (enable) { |
6090 | if (!intel_crtc->active) { | |
e1e9fb84 DV |
6091 | domains = get_crtc_power_domains(crtc); |
6092 | for_each_power_domain(domain, domains) | |
6093 | intel_display_power_get(dev_priv, domain); | |
6094 | intel_crtc->enabled_power_domains = domains; | |
0e572fe7 DV |
6095 | |
6096 | dev_priv->display.crtc_enable(crtc); | |
ce22dba9 | 6097 | intel_crtc_enable_planes(crtc); |
0e572fe7 DV |
6098 | } |
6099 | } else { | |
6100 | if (intel_crtc->active) { | |
ce22dba9 | 6101 | intel_crtc_disable_planes(crtc); |
0e572fe7 DV |
6102 | dev_priv->display.crtc_disable(crtc); |
6103 | ||
e1e9fb84 DV |
6104 | domains = intel_crtc->enabled_power_domains; |
6105 | for_each_power_domain(domain, domains) | |
6106 | intel_display_power_put(dev_priv, domain); | |
6107 | intel_crtc->enabled_power_domains = 0; | |
0e572fe7 DV |
6108 | } |
6109 | } | |
b04c5bd6 BF |
6110 | } |
6111 | ||
6112 | /** | |
6113 | * Sets the power management mode of the pipe and plane. | |
6114 | */ | |
6115 | void intel_crtc_update_dpms(struct drm_crtc *crtc) | |
6116 | { | |
6117 | struct drm_device *dev = crtc->dev; | |
6118 | struct intel_encoder *intel_encoder; | |
6119 | bool enable = false; | |
6120 | ||
6121 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) | |
6122 | enable |= intel_encoder->connectors_active; | |
6123 | ||
6124 | intel_crtc_control(crtc, enable); | |
0f63cca2 ACO |
6125 | |
6126 | crtc->state->active = enable; | |
976f8a20 DV |
6127 | } |
6128 | ||
cdd59983 CW |
6129 | static void intel_crtc_disable(struct drm_crtc *crtc) |
6130 | { | |
cdd59983 | 6131 | struct drm_device *dev = crtc->dev; |
976f8a20 | 6132 | struct drm_connector *connector; |
ee7b9f93 | 6133 | struct drm_i915_private *dev_priv = dev->dev_private; |
cdd59983 | 6134 | |
976f8a20 | 6135 | /* crtc should still be enabled when we disable it. */ |
83d65738 | 6136 | WARN_ON(!crtc->state->enable); |
976f8a20 | 6137 | |
ce22dba9 | 6138 | intel_crtc_disable_planes(crtc); |
976f8a20 | 6139 | dev_priv->display.crtc_disable(crtc); |
ee7b9f93 JB |
6140 | dev_priv->display.off(crtc); |
6141 | ||
70a101f8 | 6142 | drm_plane_helper_disable(crtc->primary); |
976f8a20 DV |
6143 | |
6144 | /* Update computed state. */ | |
6145 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
6146 | if (!connector->encoder || !connector->encoder->crtc) | |
6147 | continue; | |
6148 | ||
6149 | if (connector->encoder->crtc != crtc) | |
6150 | continue; | |
6151 | ||
6152 | connector->dpms = DRM_MODE_DPMS_OFF; | |
6153 | to_intel_encoder(connector->encoder)->connectors_active = false; | |
cdd59983 CW |
6154 | } |
6155 | } | |
6156 | ||
ea5b213a | 6157 | void intel_encoder_destroy(struct drm_encoder *encoder) |
7e7d76c3 | 6158 | { |
4ef69c7a | 6159 | struct intel_encoder *intel_encoder = to_intel_encoder(encoder); |
ea5b213a | 6160 | |
ea5b213a CW |
6161 | drm_encoder_cleanup(encoder); |
6162 | kfree(intel_encoder); | |
7e7d76c3 JB |
6163 | } |
6164 | ||
9237329d | 6165 | /* Simple dpms helper for encoders with just one connector, no cloning and only |
5ab432ef DV |
6166 | * one kind of off state. It clamps all !ON modes to fully OFF and changes the |
6167 | * state of the entire output pipe. */ | |
9237329d | 6168 | static void intel_encoder_dpms(struct intel_encoder *encoder, int mode) |
7e7d76c3 | 6169 | { |
5ab432ef DV |
6170 | if (mode == DRM_MODE_DPMS_ON) { |
6171 | encoder->connectors_active = true; | |
6172 | ||
b2cabb0e | 6173 | intel_crtc_update_dpms(encoder->base.crtc); |
5ab432ef DV |
6174 | } else { |
6175 | encoder->connectors_active = false; | |
6176 | ||
b2cabb0e | 6177 | intel_crtc_update_dpms(encoder->base.crtc); |
5ab432ef | 6178 | } |
79e53945 JB |
6179 | } |
6180 | ||
0a91ca29 DV |
6181 | /* Cross check the actual hw state with our own modeset state tracking (and it's |
6182 | * internal consistency). */ | |
b980514c | 6183 | static void intel_connector_check_state(struct intel_connector *connector) |
79e53945 | 6184 | { |
0a91ca29 DV |
6185 | if (connector->get_hw_state(connector)) { |
6186 | struct intel_encoder *encoder = connector->encoder; | |
6187 | struct drm_crtc *crtc; | |
6188 | bool encoder_enabled; | |
6189 | enum pipe pipe; | |
6190 | ||
6191 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", | |
6192 | connector->base.base.id, | |
c23cc417 | 6193 | connector->base.name); |
0a91ca29 | 6194 | |
0e32b39c DA |
6195 | /* there is no real hw state for MST connectors */ |
6196 | if (connector->mst_port) | |
6197 | return; | |
6198 | ||
e2c719b7 | 6199 | I915_STATE_WARN(connector->base.dpms == DRM_MODE_DPMS_OFF, |
0a91ca29 | 6200 | "wrong connector dpms state\n"); |
e2c719b7 | 6201 | I915_STATE_WARN(connector->base.encoder != &encoder->base, |
0a91ca29 | 6202 | "active connector not linked to encoder\n"); |
0a91ca29 | 6203 | |
36cd7444 | 6204 | if (encoder) { |
e2c719b7 | 6205 | I915_STATE_WARN(!encoder->connectors_active, |
36cd7444 DA |
6206 | "encoder->connectors_active not set\n"); |
6207 | ||
6208 | encoder_enabled = encoder->get_hw_state(encoder, &pipe); | |
e2c719b7 RC |
6209 | I915_STATE_WARN(!encoder_enabled, "encoder not enabled\n"); |
6210 | if (I915_STATE_WARN_ON(!encoder->base.crtc)) | |
36cd7444 | 6211 | return; |
0a91ca29 | 6212 | |
36cd7444 | 6213 | crtc = encoder->base.crtc; |
0a91ca29 | 6214 | |
83d65738 MR |
6215 | I915_STATE_WARN(!crtc->state->enable, |
6216 | "crtc not enabled\n"); | |
e2c719b7 RC |
6217 | I915_STATE_WARN(!to_intel_crtc(crtc)->active, "crtc not active\n"); |
6218 | I915_STATE_WARN(pipe != to_intel_crtc(crtc)->pipe, | |
36cd7444 DA |
6219 | "encoder active on the wrong pipe\n"); |
6220 | } | |
0a91ca29 | 6221 | } |
79e53945 JB |
6222 | } |
6223 | ||
08d9bc92 ACO |
6224 | int intel_connector_init(struct intel_connector *connector) |
6225 | { | |
6226 | struct drm_connector_state *connector_state; | |
6227 | ||
6228 | connector_state = kzalloc(sizeof *connector_state, GFP_KERNEL); | |
6229 | if (!connector_state) | |
6230 | return -ENOMEM; | |
6231 | ||
6232 | connector->base.state = connector_state; | |
6233 | return 0; | |
6234 | } | |
6235 | ||
6236 | struct intel_connector *intel_connector_alloc(void) | |
6237 | { | |
6238 | struct intel_connector *connector; | |
6239 | ||
6240 | connector = kzalloc(sizeof *connector, GFP_KERNEL); | |
6241 | if (!connector) | |
6242 | return NULL; | |
6243 | ||
6244 | if (intel_connector_init(connector) < 0) { | |
6245 | kfree(connector); | |
6246 | return NULL; | |
6247 | } | |
6248 | ||
6249 | return connector; | |
6250 | } | |
6251 | ||
5ab432ef DV |
6252 | /* Even simpler default implementation, if there's really no special case to |
6253 | * consider. */ | |
6254 | void intel_connector_dpms(struct drm_connector *connector, int mode) | |
79e53945 | 6255 | { |
5ab432ef DV |
6256 | /* All the simple cases only support two dpms states. */ |
6257 | if (mode != DRM_MODE_DPMS_ON) | |
6258 | mode = DRM_MODE_DPMS_OFF; | |
d4270e57 | 6259 | |
5ab432ef DV |
6260 | if (mode == connector->dpms) |
6261 | return; | |
6262 | ||
6263 | connector->dpms = mode; | |
6264 | ||
6265 | /* Only need to change hw state when actually enabled */ | |
c9976dcf CW |
6266 | if (connector->encoder) |
6267 | intel_encoder_dpms(to_intel_encoder(connector->encoder), mode); | |
0a91ca29 | 6268 | |
b980514c | 6269 | intel_modeset_check_state(connector->dev); |
79e53945 JB |
6270 | } |
6271 | ||
f0947c37 DV |
6272 | /* Simple connector->get_hw_state implementation for encoders that support only |
6273 | * one connector and no cloning and hence the encoder state determines the state | |
6274 | * of the connector. */ | |
6275 | bool intel_connector_get_hw_state(struct intel_connector *connector) | |
ea5b213a | 6276 | { |
24929352 | 6277 | enum pipe pipe = 0; |
f0947c37 | 6278 | struct intel_encoder *encoder = connector->encoder; |
ea5b213a | 6279 | |
f0947c37 | 6280 | return encoder->get_hw_state(encoder, &pipe); |
ea5b213a CW |
6281 | } |
6282 | ||
6d293983 | 6283 | static int pipe_required_fdi_lanes(struct intel_crtc_state *crtc_state) |
d272ddfa | 6284 | { |
6d293983 ACO |
6285 | if (crtc_state->base.enable && crtc_state->has_pch_encoder) |
6286 | return crtc_state->fdi_lanes; | |
d272ddfa VS |
6287 | |
6288 | return 0; | |
6289 | } | |
6290 | ||
6d293983 | 6291 | static int ironlake_check_fdi_lanes(struct drm_device *dev, enum pipe pipe, |
5cec258b | 6292 | struct intel_crtc_state *pipe_config) |
1857e1da | 6293 | { |
6d293983 ACO |
6294 | struct drm_atomic_state *state = pipe_config->base.state; |
6295 | struct intel_crtc *other_crtc; | |
6296 | struct intel_crtc_state *other_crtc_state; | |
6297 | ||
1857e1da DV |
6298 | DRM_DEBUG_KMS("checking fdi config on pipe %c, lanes %i\n", |
6299 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6300 | if (pipe_config->fdi_lanes > 4) { | |
6301 | DRM_DEBUG_KMS("invalid fdi lane config on pipe %c: %i lanes\n", | |
6302 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 6303 | return -EINVAL; |
1857e1da DV |
6304 | } |
6305 | ||
bafb6553 | 6306 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
1857e1da DV |
6307 | if (pipe_config->fdi_lanes > 2) { |
6308 | DRM_DEBUG_KMS("only 2 lanes on haswell, required: %i lanes\n", | |
6309 | pipe_config->fdi_lanes); | |
6d293983 | 6310 | return -EINVAL; |
1857e1da | 6311 | } else { |
6d293983 | 6312 | return 0; |
1857e1da DV |
6313 | } |
6314 | } | |
6315 | ||
6316 | if (INTEL_INFO(dev)->num_pipes == 2) | |
6d293983 | 6317 | return 0; |
1857e1da DV |
6318 | |
6319 | /* Ivybridge 3 pipe is really complicated */ | |
6320 | switch (pipe) { | |
6321 | case PIPE_A: | |
6d293983 | 6322 | return 0; |
1857e1da | 6323 | case PIPE_B: |
6d293983 ACO |
6324 | if (pipe_config->fdi_lanes <= 2) |
6325 | return 0; | |
6326 | ||
6327 | other_crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev, PIPE_C)); | |
6328 | other_crtc_state = | |
6329 | intel_atomic_get_crtc_state(state, other_crtc); | |
6330 | if (IS_ERR(other_crtc_state)) | |
6331 | return PTR_ERR(other_crtc_state); | |
6332 | ||
6333 | if (pipe_required_fdi_lanes(other_crtc_state) > 0) { | |
1857e1da DV |
6334 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n", |
6335 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 6336 | return -EINVAL; |
1857e1da | 6337 | } |
6d293983 | 6338 | return 0; |
1857e1da | 6339 | case PIPE_C: |
251cc67c VS |
6340 | if (pipe_config->fdi_lanes > 2) { |
6341 | DRM_DEBUG_KMS("only 2 lanes on pipe %c: required %i lanes\n", | |
6342 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 6343 | return -EINVAL; |
251cc67c | 6344 | } |
6d293983 ACO |
6345 | |
6346 | other_crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev, PIPE_B)); | |
6347 | other_crtc_state = | |
6348 | intel_atomic_get_crtc_state(state, other_crtc); | |
6349 | if (IS_ERR(other_crtc_state)) | |
6350 | return PTR_ERR(other_crtc_state); | |
6351 | ||
6352 | if (pipe_required_fdi_lanes(other_crtc_state) > 2) { | |
1857e1da | 6353 | DRM_DEBUG_KMS("fdi link B uses too many lanes to enable link C\n"); |
6d293983 | 6354 | return -EINVAL; |
1857e1da | 6355 | } |
6d293983 | 6356 | return 0; |
1857e1da DV |
6357 | default: |
6358 | BUG(); | |
6359 | } | |
6360 | } | |
6361 | ||
e29c22c0 DV |
6362 | #define RETRY 1 |
6363 | static int ironlake_fdi_compute_config(struct intel_crtc *intel_crtc, | |
5cec258b | 6364 | struct intel_crtc_state *pipe_config) |
877d48d5 | 6365 | { |
1857e1da | 6366 | struct drm_device *dev = intel_crtc->base.dev; |
2d112de7 | 6367 | struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
6d293983 ACO |
6368 | int lane, link_bw, fdi_dotclock, ret; |
6369 | bool needs_recompute = false; | |
877d48d5 | 6370 | |
e29c22c0 | 6371 | retry: |
877d48d5 DV |
6372 | /* FDI is a binary signal running at ~2.7GHz, encoding |
6373 | * each output octet as 10 bits. The actual frequency | |
6374 | * is stored as a divider into a 100MHz clock, and the | |
6375 | * mode pixel clock is stored in units of 1KHz. | |
6376 | * Hence the bw of each lane in terms of the mode signal | |
6377 | * is: | |
6378 | */ | |
6379 | link_bw = intel_fdi_link_freq(dev) * MHz(100)/KHz(1)/10; | |
6380 | ||
241bfc38 | 6381 | fdi_dotclock = adjusted_mode->crtc_clock; |
877d48d5 | 6382 | |
2bd89a07 | 6383 | lane = ironlake_get_lanes_required(fdi_dotclock, link_bw, |
877d48d5 DV |
6384 | pipe_config->pipe_bpp); |
6385 | ||
6386 | pipe_config->fdi_lanes = lane; | |
6387 | ||
2bd89a07 | 6388 | intel_link_compute_m_n(pipe_config->pipe_bpp, lane, fdi_dotclock, |
877d48d5 | 6389 | link_bw, &pipe_config->fdi_m_n); |
1857e1da | 6390 | |
6d293983 ACO |
6391 | ret = ironlake_check_fdi_lanes(intel_crtc->base.dev, |
6392 | intel_crtc->pipe, pipe_config); | |
6393 | if (ret == -EINVAL && pipe_config->pipe_bpp > 6*3) { | |
e29c22c0 DV |
6394 | pipe_config->pipe_bpp -= 2*3; |
6395 | DRM_DEBUG_KMS("fdi link bw constraint, reducing pipe bpp to %i\n", | |
6396 | pipe_config->pipe_bpp); | |
6397 | needs_recompute = true; | |
6398 | pipe_config->bw_constrained = true; | |
6399 | ||
6400 | goto retry; | |
6401 | } | |
6402 | ||
6403 | if (needs_recompute) | |
6404 | return RETRY; | |
6405 | ||
6d293983 | 6406 | return ret; |
877d48d5 DV |
6407 | } |
6408 | ||
42db64ef | 6409 | static void hsw_compute_ips_config(struct intel_crtc *crtc, |
5cec258b | 6410 | struct intel_crtc_state *pipe_config) |
42db64ef | 6411 | { |
d330a953 | 6412 | pipe_config->ips_enabled = i915.enable_ips && |
3c4ca58c | 6413 | hsw_crtc_supports_ips(crtc) && |
b6dfdc9b | 6414 | pipe_config->pipe_bpp <= 24; |
42db64ef PZ |
6415 | } |
6416 | ||
a43f6e0f | 6417 | static int intel_crtc_compute_config(struct intel_crtc *crtc, |
5cec258b | 6418 | struct intel_crtc_state *pipe_config) |
79e53945 | 6419 | { |
a43f6e0f | 6420 | struct drm_device *dev = crtc->base.dev; |
8bd31e67 | 6421 | struct drm_i915_private *dev_priv = dev->dev_private; |
2d112de7 | 6422 | struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
d03c93d4 | 6423 | int ret; |
89749350 | 6424 | |
ad3a4479 | 6425 | /* FIXME should check pixel clock limits on all platforms */ |
cf532bb2 | 6426 | if (INTEL_INFO(dev)->gen < 4) { |
cf532bb2 VS |
6427 | int clock_limit = |
6428 | dev_priv->display.get_display_clock_speed(dev); | |
6429 | ||
6430 | /* | |
6431 | * Enable pixel doubling when the dot clock | |
6432 | * is > 90% of the (display) core speed. | |
6433 | * | |
b397c96b VS |
6434 | * GDG double wide on either pipe, |
6435 | * otherwise pipe A only. | |
cf532bb2 | 6436 | */ |
b397c96b | 6437 | if ((crtc->pipe == PIPE_A || IS_I915G(dev)) && |
241bfc38 | 6438 | adjusted_mode->crtc_clock > clock_limit * 9 / 10) { |
ad3a4479 | 6439 | clock_limit *= 2; |
cf532bb2 | 6440 | pipe_config->double_wide = true; |
ad3a4479 VS |
6441 | } |
6442 | ||
241bfc38 | 6443 | if (adjusted_mode->crtc_clock > clock_limit * 9 / 10) |
e29c22c0 | 6444 | return -EINVAL; |
2c07245f | 6445 | } |
89749350 | 6446 | |
1d1d0e27 VS |
6447 | /* |
6448 | * Pipe horizontal size must be even in: | |
6449 | * - DVO ganged mode | |
6450 | * - LVDS dual channel mode | |
6451 | * - Double wide pipe | |
6452 | */ | |
a93e255f | 6453 | if ((intel_pipe_will_have_type(pipe_config, INTEL_OUTPUT_LVDS) && |
1d1d0e27 VS |
6454 | intel_is_dual_link_lvds(dev)) || pipe_config->double_wide) |
6455 | pipe_config->pipe_src_w &= ~1; | |
6456 | ||
8693a824 DL |
6457 | /* Cantiga+ cannot handle modes with a hsync front porch of 0. |
6458 | * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw. | |
44f46b42 CW |
6459 | */ |
6460 | if ((INTEL_INFO(dev)->gen > 4 || IS_G4X(dev)) && | |
6461 | adjusted_mode->hsync_start == adjusted_mode->hdisplay) | |
e29c22c0 | 6462 | return -EINVAL; |
44f46b42 | 6463 | |
f5adf94e | 6464 | if (HAS_IPS(dev)) |
a43f6e0f DV |
6465 | hsw_compute_ips_config(crtc, pipe_config); |
6466 | ||
877d48d5 | 6467 | if (pipe_config->has_pch_encoder) |
a43f6e0f | 6468 | return ironlake_fdi_compute_config(crtc, pipe_config); |
877d48d5 | 6469 | |
d03c93d4 CK |
6470 | /* FIXME: remove below call once atomic mode set is place and all crtc |
6471 | * related checks called from atomic_crtc_check function */ | |
6472 | ret = 0; | |
6473 | DRM_DEBUG_KMS("intel_crtc = %p drm_state (pipe_config->base.state) = %p\n", | |
6474 | crtc, pipe_config->base.state); | |
6475 | ret = intel_atomic_setup_scalers(dev, crtc, pipe_config); | |
6476 | ||
6477 | return ret; | |
79e53945 JB |
6478 | } |
6479 | ||
1652d19e VS |
6480 | static int skylake_get_display_clock_speed(struct drm_device *dev) |
6481 | { | |
6482 | struct drm_i915_private *dev_priv = to_i915(dev); | |
6483 | uint32_t lcpll1 = I915_READ(LCPLL1_CTL); | |
6484 | uint32_t cdctl = I915_READ(CDCLK_CTL); | |
6485 | uint32_t linkrate; | |
6486 | ||
6487 | if (!(lcpll1 & LCPLL_PLL_ENABLE)) { | |
6488 | WARN(1, "LCPLL1 not enabled\n"); | |
6489 | return 24000; /* 24MHz is the cd freq with NSSC ref */ | |
6490 | } | |
6491 | ||
6492 | if ((cdctl & CDCLK_FREQ_SEL_MASK) == CDCLK_FREQ_540) | |
6493 | return 540000; | |
6494 | ||
6495 | linkrate = (I915_READ(DPLL_CTRL1) & | |
71cd8423 | 6496 | DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0)) >> 1; |
1652d19e | 6497 | |
71cd8423 DL |
6498 | if (linkrate == DPLL_CTRL1_LINK_RATE_2160 || |
6499 | linkrate == DPLL_CTRL1_LINK_RATE_1080) { | |
1652d19e VS |
6500 | /* vco 8640 */ |
6501 | switch (cdctl & CDCLK_FREQ_SEL_MASK) { | |
6502 | case CDCLK_FREQ_450_432: | |
6503 | return 432000; | |
6504 | case CDCLK_FREQ_337_308: | |
6505 | return 308570; | |
6506 | case CDCLK_FREQ_675_617: | |
6507 | return 617140; | |
6508 | default: | |
6509 | WARN(1, "Unknown cd freq selection\n"); | |
6510 | } | |
6511 | } else { | |
6512 | /* vco 8100 */ | |
6513 | switch (cdctl & CDCLK_FREQ_SEL_MASK) { | |
6514 | case CDCLK_FREQ_450_432: | |
6515 | return 450000; | |
6516 | case CDCLK_FREQ_337_308: | |
6517 | return 337500; | |
6518 | case CDCLK_FREQ_675_617: | |
6519 | return 675000; | |
6520 | default: | |
6521 | WARN(1, "Unknown cd freq selection\n"); | |
6522 | } | |
6523 | } | |
6524 | ||
6525 | /* error case, do as if DPLL0 isn't enabled */ | |
6526 | return 24000; | |
6527 | } | |
6528 | ||
6529 | static int broadwell_get_display_clock_speed(struct drm_device *dev) | |
6530 | { | |
6531 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6532 | uint32_t lcpll = I915_READ(LCPLL_CTL); | |
6533 | uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK; | |
6534 | ||
6535 | if (lcpll & LCPLL_CD_SOURCE_FCLK) | |
6536 | return 800000; | |
6537 | else if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
6538 | return 450000; | |
6539 | else if (freq == LCPLL_CLK_FREQ_450) | |
6540 | return 450000; | |
6541 | else if (freq == LCPLL_CLK_FREQ_54O_BDW) | |
6542 | return 540000; | |
6543 | else if (freq == LCPLL_CLK_FREQ_337_5_BDW) | |
6544 | return 337500; | |
6545 | else | |
6546 | return 675000; | |
6547 | } | |
6548 | ||
6549 | static int haswell_get_display_clock_speed(struct drm_device *dev) | |
6550 | { | |
6551 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6552 | uint32_t lcpll = I915_READ(LCPLL_CTL); | |
6553 | uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK; | |
6554 | ||
6555 | if (lcpll & LCPLL_CD_SOURCE_FCLK) | |
6556 | return 800000; | |
6557 | else if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
6558 | return 450000; | |
6559 | else if (freq == LCPLL_CLK_FREQ_450) | |
6560 | return 450000; | |
6561 | else if (IS_HSW_ULT(dev)) | |
6562 | return 337500; | |
6563 | else | |
6564 | return 540000; | |
79e53945 JB |
6565 | } |
6566 | ||
25eb05fc JB |
6567 | static int valleyview_get_display_clock_speed(struct drm_device *dev) |
6568 | { | |
d197b7d3 | 6569 | struct drm_i915_private *dev_priv = dev->dev_private; |
d197b7d3 VS |
6570 | u32 val; |
6571 | int divider; | |
6572 | ||
6bcda4f0 VS |
6573 | if (dev_priv->hpll_freq == 0) |
6574 | dev_priv->hpll_freq = valleyview_get_vco(dev_priv); | |
6575 | ||
d197b7d3 VS |
6576 | mutex_lock(&dev_priv->dpio_lock); |
6577 | val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); | |
6578 | mutex_unlock(&dev_priv->dpio_lock); | |
6579 | ||
6580 | divider = val & DISPLAY_FREQUENCY_VALUES; | |
6581 | ||
7d007f40 VS |
6582 | WARN((val & DISPLAY_FREQUENCY_STATUS) != |
6583 | (divider << DISPLAY_FREQUENCY_STATUS_SHIFT), | |
6584 | "cdclk change in progress\n"); | |
6585 | ||
6bcda4f0 | 6586 | return DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, divider + 1); |
25eb05fc JB |
6587 | } |
6588 | ||
b37a6434 VS |
6589 | static int ilk_get_display_clock_speed(struct drm_device *dev) |
6590 | { | |
6591 | return 450000; | |
6592 | } | |
6593 | ||
e70236a8 JB |
6594 | static int i945_get_display_clock_speed(struct drm_device *dev) |
6595 | { | |
6596 | return 400000; | |
6597 | } | |
79e53945 | 6598 | |
e70236a8 | 6599 | static int i915_get_display_clock_speed(struct drm_device *dev) |
79e53945 | 6600 | { |
e907f170 | 6601 | return 333333; |
e70236a8 | 6602 | } |
79e53945 | 6603 | |
e70236a8 JB |
6604 | static int i9xx_misc_get_display_clock_speed(struct drm_device *dev) |
6605 | { | |
6606 | return 200000; | |
6607 | } | |
79e53945 | 6608 | |
257a7ffc DV |
6609 | static int pnv_get_display_clock_speed(struct drm_device *dev) |
6610 | { | |
6611 | u16 gcfgc = 0; | |
6612 | ||
6613 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); | |
6614 | ||
6615 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
6616 | case GC_DISPLAY_CLOCK_267_MHZ_PNV: | |
e907f170 | 6617 | return 266667; |
257a7ffc | 6618 | case GC_DISPLAY_CLOCK_333_MHZ_PNV: |
e907f170 | 6619 | return 333333; |
257a7ffc | 6620 | case GC_DISPLAY_CLOCK_444_MHZ_PNV: |
e907f170 | 6621 | return 444444; |
257a7ffc DV |
6622 | case GC_DISPLAY_CLOCK_200_MHZ_PNV: |
6623 | return 200000; | |
6624 | default: | |
6625 | DRM_ERROR("Unknown pnv display core clock 0x%04x\n", gcfgc); | |
6626 | case GC_DISPLAY_CLOCK_133_MHZ_PNV: | |
e907f170 | 6627 | return 133333; |
257a7ffc | 6628 | case GC_DISPLAY_CLOCK_167_MHZ_PNV: |
e907f170 | 6629 | return 166667; |
257a7ffc DV |
6630 | } |
6631 | } | |
6632 | ||
e70236a8 JB |
6633 | static int i915gm_get_display_clock_speed(struct drm_device *dev) |
6634 | { | |
6635 | u16 gcfgc = 0; | |
79e53945 | 6636 | |
e70236a8 JB |
6637 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); |
6638 | ||
6639 | if (gcfgc & GC_LOW_FREQUENCY_ENABLE) | |
e907f170 | 6640 | return 133333; |
e70236a8 JB |
6641 | else { |
6642 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
6643 | case GC_DISPLAY_CLOCK_333_MHZ: | |
e907f170 | 6644 | return 333333; |
e70236a8 JB |
6645 | default: |
6646 | case GC_DISPLAY_CLOCK_190_200_MHZ: | |
6647 | return 190000; | |
79e53945 | 6648 | } |
e70236a8 JB |
6649 | } |
6650 | } | |
6651 | ||
6652 | static int i865_get_display_clock_speed(struct drm_device *dev) | |
6653 | { | |
e907f170 | 6654 | return 266667; |
e70236a8 JB |
6655 | } |
6656 | ||
6657 | static int i855_get_display_clock_speed(struct drm_device *dev) | |
6658 | { | |
6659 | u16 hpllcc = 0; | |
6660 | /* Assume that the hardware is in the high speed state. This | |
6661 | * should be the default. | |
6662 | */ | |
6663 | switch (hpllcc & GC_CLOCK_CONTROL_MASK) { | |
6664 | case GC_CLOCK_133_200: | |
6665 | case GC_CLOCK_100_200: | |
6666 | return 200000; | |
6667 | case GC_CLOCK_166_250: | |
6668 | return 250000; | |
6669 | case GC_CLOCK_100_133: | |
e907f170 | 6670 | return 133333; |
e70236a8 | 6671 | } |
79e53945 | 6672 | |
e70236a8 JB |
6673 | /* Shouldn't happen */ |
6674 | return 0; | |
6675 | } | |
79e53945 | 6676 | |
e70236a8 JB |
6677 | static int i830_get_display_clock_speed(struct drm_device *dev) |
6678 | { | |
e907f170 | 6679 | return 133333; |
79e53945 JB |
6680 | } |
6681 | ||
2c07245f | 6682 | static void |
a65851af | 6683 | intel_reduce_m_n_ratio(uint32_t *num, uint32_t *den) |
2c07245f | 6684 | { |
a65851af VS |
6685 | while (*num > DATA_LINK_M_N_MASK || |
6686 | *den > DATA_LINK_M_N_MASK) { | |
2c07245f ZW |
6687 | *num >>= 1; |
6688 | *den >>= 1; | |
6689 | } | |
6690 | } | |
6691 | ||
a65851af VS |
6692 | static void compute_m_n(unsigned int m, unsigned int n, |
6693 | uint32_t *ret_m, uint32_t *ret_n) | |
6694 | { | |
6695 | *ret_n = min_t(unsigned int, roundup_pow_of_two(n), DATA_LINK_N_MAX); | |
6696 | *ret_m = div_u64((uint64_t) m * *ret_n, n); | |
6697 | intel_reduce_m_n_ratio(ret_m, ret_n); | |
6698 | } | |
6699 | ||
e69d0bc1 DV |
6700 | void |
6701 | intel_link_compute_m_n(int bits_per_pixel, int nlanes, | |
6702 | int pixel_clock, int link_clock, | |
6703 | struct intel_link_m_n *m_n) | |
2c07245f | 6704 | { |
e69d0bc1 | 6705 | m_n->tu = 64; |
a65851af VS |
6706 | |
6707 | compute_m_n(bits_per_pixel * pixel_clock, | |
6708 | link_clock * nlanes * 8, | |
6709 | &m_n->gmch_m, &m_n->gmch_n); | |
6710 | ||
6711 | compute_m_n(pixel_clock, link_clock, | |
6712 | &m_n->link_m, &m_n->link_n); | |
2c07245f ZW |
6713 | } |
6714 | ||
a7615030 CW |
6715 | static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv) |
6716 | { | |
d330a953 JN |
6717 | if (i915.panel_use_ssc >= 0) |
6718 | return i915.panel_use_ssc != 0; | |
41aa3448 | 6719 | return dev_priv->vbt.lvds_use_ssc |
435793df | 6720 | && !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE); |
a7615030 CW |
6721 | } |
6722 | ||
a93e255f ACO |
6723 | static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state, |
6724 | int num_connectors) | |
c65d77d8 | 6725 | { |
a93e255f | 6726 | struct drm_device *dev = crtc_state->base.crtc->dev; |
c65d77d8 JB |
6727 | struct drm_i915_private *dev_priv = dev->dev_private; |
6728 | int refclk; | |
6729 | ||
a93e255f ACO |
6730 | WARN_ON(!crtc_state->base.state); |
6731 | ||
5ab7b0b7 | 6732 | if (IS_VALLEYVIEW(dev) || IS_BROXTON(dev)) { |
9a0ea498 | 6733 | refclk = 100000; |
a93e255f | 6734 | } else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
c65d77d8 | 6735 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) { |
e91e941b VS |
6736 | refclk = dev_priv->vbt.lvds_ssc_freq; |
6737 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk); | |
c65d77d8 JB |
6738 | } else if (!IS_GEN2(dev)) { |
6739 | refclk = 96000; | |
6740 | } else { | |
6741 | refclk = 48000; | |
6742 | } | |
6743 | ||
6744 | return refclk; | |
6745 | } | |
6746 | ||
7429e9d4 | 6747 | static uint32_t pnv_dpll_compute_fp(struct dpll *dpll) |
c65d77d8 | 6748 | { |
7df00d7a | 6749 | return (1 << dpll->n) << 16 | dpll->m2; |
7429e9d4 | 6750 | } |
f47709a9 | 6751 | |
7429e9d4 DV |
6752 | static uint32_t i9xx_dpll_compute_fp(struct dpll *dpll) |
6753 | { | |
6754 | return dpll->n << 16 | dpll->m1 << 8 | dpll->m2; | |
c65d77d8 JB |
6755 | } |
6756 | ||
f47709a9 | 6757 | static void i9xx_update_pll_dividers(struct intel_crtc *crtc, |
190f68c5 | 6758 | struct intel_crtc_state *crtc_state, |
a7516a05 JB |
6759 | intel_clock_t *reduced_clock) |
6760 | { | |
f47709a9 | 6761 | struct drm_device *dev = crtc->base.dev; |
a7516a05 JB |
6762 | u32 fp, fp2 = 0; |
6763 | ||
6764 | if (IS_PINEVIEW(dev)) { | |
190f68c5 | 6765 | fp = pnv_dpll_compute_fp(&crtc_state->dpll); |
a7516a05 | 6766 | if (reduced_clock) |
7429e9d4 | 6767 | fp2 = pnv_dpll_compute_fp(reduced_clock); |
a7516a05 | 6768 | } else { |
190f68c5 | 6769 | fp = i9xx_dpll_compute_fp(&crtc_state->dpll); |
a7516a05 | 6770 | if (reduced_clock) |
7429e9d4 | 6771 | fp2 = i9xx_dpll_compute_fp(reduced_clock); |
a7516a05 JB |
6772 | } |
6773 | ||
190f68c5 | 6774 | crtc_state->dpll_hw_state.fp0 = fp; |
a7516a05 | 6775 | |
f47709a9 | 6776 | crtc->lowfreq_avail = false; |
a93e255f | 6777 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
ab585dea | 6778 | reduced_clock) { |
190f68c5 | 6779 | crtc_state->dpll_hw_state.fp1 = fp2; |
f47709a9 | 6780 | crtc->lowfreq_avail = true; |
a7516a05 | 6781 | } else { |
190f68c5 | 6782 | crtc_state->dpll_hw_state.fp1 = fp; |
a7516a05 JB |
6783 | } |
6784 | } | |
6785 | ||
5e69f97f CML |
6786 | static void vlv_pllb_recal_opamp(struct drm_i915_private *dev_priv, enum pipe |
6787 | pipe) | |
89b667f8 JB |
6788 | { |
6789 | u32 reg_val; | |
6790 | ||
6791 | /* | |
6792 | * PLLB opamp always calibrates to max value of 0x3f, force enable it | |
6793 | * and set it to a reasonable value instead. | |
6794 | */ | |
ab3c759a | 6795 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
89b667f8 JB |
6796 | reg_val &= 0xffffff00; |
6797 | reg_val |= 0x00000030; | |
ab3c759a | 6798 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
89b667f8 | 6799 | |
ab3c759a | 6800 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
89b667f8 JB |
6801 | reg_val &= 0x8cffffff; |
6802 | reg_val = 0x8c000000; | |
ab3c759a | 6803 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
89b667f8 | 6804 | |
ab3c759a | 6805 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
89b667f8 | 6806 | reg_val &= 0xffffff00; |
ab3c759a | 6807 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
89b667f8 | 6808 | |
ab3c759a | 6809 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
89b667f8 JB |
6810 | reg_val &= 0x00ffffff; |
6811 | reg_val |= 0xb0000000; | |
ab3c759a | 6812 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
89b667f8 JB |
6813 | } |
6814 | ||
b551842d DV |
6815 | static void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc, |
6816 | struct intel_link_m_n *m_n) | |
6817 | { | |
6818 | struct drm_device *dev = crtc->base.dev; | |
6819 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6820 | int pipe = crtc->pipe; | |
6821 | ||
e3b95f1e DV |
6822 | I915_WRITE(PCH_TRANS_DATA_M1(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
6823 | I915_WRITE(PCH_TRANS_DATA_N1(pipe), m_n->gmch_n); | |
6824 | I915_WRITE(PCH_TRANS_LINK_M1(pipe), m_n->link_m); | |
6825 | I915_WRITE(PCH_TRANS_LINK_N1(pipe), m_n->link_n); | |
b551842d DV |
6826 | } |
6827 | ||
6828 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, | |
f769cd24 VK |
6829 | struct intel_link_m_n *m_n, |
6830 | struct intel_link_m_n *m2_n2) | |
b551842d DV |
6831 | { |
6832 | struct drm_device *dev = crtc->base.dev; | |
6833 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6834 | int pipe = crtc->pipe; | |
6e3c9717 | 6835 | enum transcoder transcoder = crtc->config->cpu_transcoder; |
b551842d DV |
6836 | |
6837 | if (INTEL_INFO(dev)->gen >= 5) { | |
6838 | I915_WRITE(PIPE_DATA_M1(transcoder), TU_SIZE(m_n->tu) | m_n->gmch_m); | |
6839 | I915_WRITE(PIPE_DATA_N1(transcoder), m_n->gmch_n); | |
6840 | I915_WRITE(PIPE_LINK_M1(transcoder), m_n->link_m); | |
6841 | I915_WRITE(PIPE_LINK_N1(transcoder), m_n->link_n); | |
f769cd24 VK |
6842 | /* M2_N2 registers to be set only for gen < 8 (M2_N2 available |
6843 | * for gen < 8) and if DRRS is supported (to make sure the | |
6844 | * registers are not unnecessarily accessed). | |
6845 | */ | |
44395bfe | 6846 | if (m2_n2 && (IS_CHERRYVIEW(dev) || INTEL_INFO(dev)->gen < 8) && |
6e3c9717 | 6847 | crtc->config->has_drrs) { |
f769cd24 VK |
6848 | I915_WRITE(PIPE_DATA_M2(transcoder), |
6849 | TU_SIZE(m2_n2->tu) | m2_n2->gmch_m); | |
6850 | I915_WRITE(PIPE_DATA_N2(transcoder), m2_n2->gmch_n); | |
6851 | I915_WRITE(PIPE_LINK_M2(transcoder), m2_n2->link_m); | |
6852 | I915_WRITE(PIPE_LINK_N2(transcoder), m2_n2->link_n); | |
6853 | } | |
b551842d | 6854 | } else { |
e3b95f1e DV |
6855 | I915_WRITE(PIPE_DATA_M_G4X(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
6856 | I915_WRITE(PIPE_DATA_N_G4X(pipe), m_n->gmch_n); | |
6857 | I915_WRITE(PIPE_LINK_M_G4X(pipe), m_n->link_m); | |
6858 | I915_WRITE(PIPE_LINK_N_G4X(pipe), m_n->link_n); | |
b551842d DV |
6859 | } |
6860 | } | |
6861 | ||
fe3cd48d | 6862 | void intel_dp_set_m_n(struct intel_crtc *crtc, enum link_m_n_set m_n) |
03afc4a2 | 6863 | { |
fe3cd48d R |
6864 | struct intel_link_m_n *dp_m_n, *dp_m2_n2 = NULL; |
6865 | ||
6866 | if (m_n == M1_N1) { | |
6867 | dp_m_n = &crtc->config->dp_m_n; | |
6868 | dp_m2_n2 = &crtc->config->dp_m2_n2; | |
6869 | } else if (m_n == M2_N2) { | |
6870 | ||
6871 | /* | |
6872 | * M2_N2 registers are not supported. Hence m2_n2 divider value | |
6873 | * needs to be programmed into M1_N1. | |
6874 | */ | |
6875 | dp_m_n = &crtc->config->dp_m2_n2; | |
6876 | } else { | |
6877 | DRM_ERROR("Unsupported divider value\n"); | |
6878 | return; | |
6879 | } | |
6880 | ||
6e3c9717 ACO |
6881 | if (crtc->config->has_pch_encoder) |
6882 | intel_pch_transcoder_set_m_n(crtc, &crtc->config->dp_m_n); | |
03afc4a2 | 6883 | else |
fe3cd48d | 6884 | intel_cpu_transcoder_set_m_n(crtc, dp_m_n, dp_m2_n2); |
03afc4a2 DV |
6885 | } |
6886 | ||
d288f65f | 6887 | static void vlv_update_pll(struct intel_crtc *crtc, |
5cec258b | 6888 | struct intel_crtc_state *pipe_config) |
bdd4b6a6 DV |
6889 | { |
6890 | u32 dpll, dpll_md; | |
6891 | ||
6892 | /* | |
6893 | * Enable DPIO clock input. We should never disable the reference | |
6894 | * clock for pipe B, since VGA hotplug / manual detection depends | |
6895 | * on it. | |
6896 | */ | |
6897 | dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REFA_CLK_ENABLE_VLV | | |
6898 | DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_CLOCK_VLV; | |
6899 | /* We should never disable this, set it here for state tracking */ | |
6900 | if (crtc->pipe == PIPE_B) | |
6901 | dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; | |
6902 | dpll |= DPLL_VCO_ENABLE; | |
d288f65f | 6903 | pipe_config->dpll_hw_state.dpll = dpll; |
bdd4b6a6 | 6904 | |
d288f65f | 6905 | dpll_md = (pipe_config->pixel_multiplier - 1) |
bdd4b6a6 | 6906 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
d288f65f | 6907 | pipe_config->dpll_hw_state.dpll_md = dpll_md; |
bdd4b6a6 DV |
6908 | } |
6909 | ||
d288f65f | 6910 | static void vlv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 6911 | const struct intel_crtc_state *pipe_config) |
a0c4da24 | 6912 | { |
f47709a9 | 6913 | struct drm_device *dev = crtc->base.dev; |
a0c4da24 | 6914 | struct drm_i915_private *dev_priv = dev->dev_private; |
f47709a9 | 6915 | int pipe = crtc->pipe; |
bdd4b6a6 | 6916 | u32 mdiv; |
a0c4da24 | 6917 | u32 bestn, bestm1, bestm2, bestp1, bestp2; |
bdd4b6a6 | 6918 | u32 coreclk, reg_val; |
a0c4da24 | 6919 | |
09153000 DV |
6920 | mutex_lock(&dev_priv->dpio_lock); |
6921 | ||
d288f65f VS |
6922 | bestn = pipe_config->dpll.n; |
6923 | bestm1 = pipe_config->dpll.m1; | |
6924 | bestm2 = pipe_config->dpll.m2; | |
6925 | bestp1 = pipe_config->dpll.p1; | |
6926 | bestp2 = pipe_config->dpll.p2; | |
a0c4da24 | 6927 | |
89b667f8 JB |
6928 | /* See eDP HDMI DPIO driver vbios notes doc */ |
6929 | ||
6930 | /* PLL B needs special handling */ | |
bdd4b6a6 | 6931 | if (pipe == PIPE_B) |
5e69f97f | 6932 | vlv_pllb_recal_opamp(dev_priv, pipe); |
89b667f8 JB |
6933 | |
6934 | /* Set up Tx target for periodic Rcomp update */ | |
ab3c759a | 6935 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9_BCAST, 0x0100000f); |
89b667f8 JB |
6936 | |
6937 | /* Disable target IRef on PLL */ | |
ab3c759a | 6938 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW8(pipe)); |
89b667f8 | 6939 | reg_val &= 0x00ffffff; |
ab3c759a | 6940 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW8(pipe), reg_val); |
89b667f8 JB |
6941 | |
6942 | /* Disable fast lock */ | |
ab3c759a | 6943 | vlv_dpio_write(dev_priv, pipe, VLV_CMN_DW0, 0x610); |
89b667f8 JB |
6944 | |
6945 | /* Set idtafcrecal before PLL is enabled */ | |
a0c4da24 JB |
6946 | mdiv = ((bestm1 << DPIO_M1DIV_SHIFT) | (bestm2 & DPIO_M2DIV_MASK)); |
6947 | mdiv |= ((bestp1 << DPIO_P1_SHIFT) | (bestp2 << DPIO_P2_SHIFT)); | |
6948 | mdiv |= ((bestn << DPIO_N_SHIFT)); | |
a0c4da24 | 6949 | mdiv |= (1 << DPIO_K_SHIFT); |
7df5080b JB |
6950 | |
6951 | /* | |
6952 | * Post divider depends on pixel clock rate, DAC vs digital (and LVDS, | |
6953 | * but we don't support that). | |
6954 | * Note: don't use the DAC post divider as it seems unstable. | |
6955 | */ | |
6956 | mdiv |= (DPIO_POST_DIV_HDMIDP << DPIO_POST_DIV_SHIFT); | |
ab3c759a | 6957 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
a0c4da24 | 6958 | |
a0c4da24 | 6959 | mdiv |= DPIO_ENABLE_CALIBRATION; |
ab3c759a | 6960 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
a0c4da24 | 6961 | |
89b667f8 | 6962 | /* Set HBR and RBR LPF coefficients */ |
d288f65f | 6963 | if (pipe_config->port_clock == 162000 || |
409ee761 ACO |
6964 | intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG) || |
6965 | intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) | |
ab3c759a | 6966 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
885b0120 | 6967 | 0x009f0003); |
89b667f8 | 6968 | else |
ab3c759a | 6969 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
89b667f8 JB |
6970 | 0x00d0000f); |
6971 | ||
681a8504 | 6972 | if (pipe_config->has_dp_encoder) { |
89b667f8 | 6973 | /* Use SSC source */ |
bdd4b6a6 | 6974 | if (pipe == PIPE_A) |
ab3c759a | 6975 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
6976 | 0x0df40000); |
6977 | else | |
ab3c759a | 6978 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
6979 | 0x0df70000); |
6980 | } else { /* HDMI or VGA */ | |
6981 | /* Use bend source */ | |
bdd4b6a6 | 6982 | if (pipe == PIPE_A) |
ab3c759a | 6983 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
6984 | 0x0df70000); |
6985 | else | |
ab3c759a | 6986 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
6987 | 0x0df40000); |
6988 | } | |
a0c4da24 | 6989 | |
ab3c759a | 6990 | coreclk = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW7(pipe)); |
89b667f8 | 6991 | coreclk = (coreclk & 0x0000ff00) | 0x01c00000; |
409ee761 ACO |
6992 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) || |
6993 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) | |
89b667f8 | 6994 | coreclk |= 0x01000000; |
ab3c759a | 6995 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW7(pipe), coreclk); |
a0c4da24 | 6996 | |
ab3c759a | 6997 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW11(pipe), 0x87871000); |
09153000 | 6998 | mutex_unlock(&dev_priv->dpio_lock); |
a0c4da24 JB |
6999 | } |
7000 | ||
d288f65f | 7001 | static void chv_update_pll(struct intel_crtc *crtc, |
5cec258b | 7002 | struct intel_crtc_state *pipe_config) |
1ae0d137 | 7003 | { |
d288f65f | 7004 | pipe_config->dpll_hw_state.dpll = DPLL_SSC_REF_CLOCK_CHV | |
1ae0d137 VS |
7005 | DPLL_REFA_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS | |
7006 | DPLL_VCO_ENABLE; | |
7007 | if (crtc->pipe != PIPE_A) | |
d288f65f | 7008 | pipe_config->dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; |
1ae0d137 | 7009 | |
d288f65f VS |
7010 | pipe_config->dpll_hw_state.dpll_md = |
7011 | (pipe_config->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; | |
1ae0d137 VS |
7012 | } |
7013 | ||
d288f65f | 7014 | static void chv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 7015 | const struct intel_crtc_state *pipe_config) |
9d556c99 CML |
7016 | { |
7017 | struct drm_device *dev = crtc->base.dev; | |
7018 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7019 | int pipe = crtc->pipe; | |
7020 | int dpll_reg = DPLL(crtc->pipe); | |
7021 | enum dpio_channel port = vlv_pipe_to_channel(pipe); | |
9cbe40c1 | 7022 | u32 loopfilter, tribuf_calcntr; |
9d556c99 | 7023 | u32 bestn, bestm1, bestm2, bestp1, bestp2, bestm2_frac; |
a945ce7e | 7024 | u32 dpio_val; |
9cbe40c1 | 7025 | int vco; |
9d556c99 | 7026 | |
d288f65f VS |
7027 | bestn = pipe_config->dpll.n; |
7028 | bestm2_frac = pipe_config->dpll.m2 & 0x3fffff; | |
7029 | bestm1 = pipe_config->dpll.m1; | |
7030 | bestm2 = pipe_config->dpll.m2 >> 22; | |
7031 | bestp1 = pipe_config->dpll.p1; | |
7032 | bestp2 = pipe_config->dpll.p2; | |
9cbe40c1 | 7033 | vco = pipe_config->dpll.vco; |
a945ce7e | 7034 | dpio_val = 0; |
9cbe40c1 | 7035 | loopfilter = 0; |
9d556c99 CML |
7036 | |
7037 | /* | |
7038 | * Enable Refclk and SSC | |
7039 | */ | |
a11b0703 | 7040 | I915_WRITE(dpll_reg, |
d288f65f | 7041 | pipe_config->dpll_hw_state.dpll & ~DPLL_VCO_ENABLE); |
a11b0703 VS |
7042 | |
7043 | mutex_lock(&dev_priv->dpio_lock); | |
9d556c99 | 7044 | |
9d556c99 CML |
7045 | /* p1 and p2 divider */ |
7046 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW13(port), | |
7047 | 5 << DPIO_CHV_S1_DIV_SHIFT | | |
7048 | bestp1 << DPIO_CHV_P1_DIV_SHIFT | | |
7049 | bestp2 << DPIO_CHV_P2_DIV_SHIFT | | |
7050 | 1 << DPIO_CHV_K_DIV_SHIFT); | |
7051 | ||
7052 | /* Feedback post-divider - m2 */ | |
7053 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW0(port), bestm2); | |
7054 | ||
7055 | /* Feedback refclk divider - n and m1 */ | |
7056 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW1(port), | |
7057 | DPIO_CHV_M1_DIV_BY_2 | | |
7058 | 1 << DPIO_CHV_N_DIV_SHIFT); | |
7059 | ||
7060 | /* M2 fraction division */ | |
a945ce7e VP |
7061 | if (bestm2_frac) |
7062 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW2(port), bestm2_frac); | |
9d556c99 CML |
7063 | |
7064 | /* M2 fraction division enable */ | |
a945ce7e VP |
7065 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW3(port)); |
7066 | dpio_val &= ~(DPIO_CHV_FEEDFWD_GAIN_MASK | DPIO_CHV_FRAC_DIV_EN); | |
7067 | dpio_val |= (2 << DPIO_CHV_FEEDFWD_GAIN_SHIFT); | |
7068 | if (bestm2_frac) | |
7069 | dpio_val |= DPIO_CHV_FRAC_DIV_EN; | |
7070 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW3(port), dpio_val); | |
9d556c99 | 7071 | |
de3a0fde VP |
7072 | /* Program digital lock detect threshold */ |
7073 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW9(port)); | |
7074 | dpio_val &= ~(DPIO_CHV_INT_LOCK_THRESHOLD_MASK | | |
7075 | DPIO_CHV_INT_LOCK_THRESHOLD_SEL_COARSE); | |
7076 | dpio_val |= (0x5 << DPIO_CHV_INT_LOCK_THRESHOLD_SHIFT); | |
7077 | if (!bestm2_frac) | |
7078 | dpio_val |= DPIO_CHV_INT_LOCK_THRESHOLD_SEL_COARSE; | |
7079 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW9(port), dpio_val); | |
7080 | ||
9d556c99 | 7081 | /* Loop filter */ |
9cbe40c1 VP |
7082 | if (vco == 5400000) { |
7083 | loopfilter |= (0x3 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7084 | loopfilter |= (0x8 << DPIO_CHV_INT_COEFF_SHIFT); | |
7085 | loopfilter |= (0x1 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7086 | tribuf_calcntr = 0x9; | |
7087 | } else if (vco <= 6200000) { | |
7088 | loopfilter |= (0x5 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7089 | loopfilter |= (0xB << DPIO_CHV_INT_COEFF_SHIFT); | |
7090 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7091 | tribuf_calcntr = 0x9; | |
7092 | } else if (vco <= 6480000) { | |
7093 | loopfilter |= (0x4 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7094 | loopfilter |= (0x9 << DPIO_CHV_INT_COEFF_SHIFT); | |
7095 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7096 | tribuf_calcntr = 0x8; | |
7097 | } else { | |
7098 | /* Not supported. Apply the same limits as in the max case */ | |
7099 | loopfilter |= (0x4 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7100 | loopfilter |= (0x9 << DPIO_CHV_INT_COEFF_SHIFT); | |
7101 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7102 | tribuf_calcntr = 0; | |
7103 | } | |
9d556c99 CML |
7104 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW6(port), loopfilter); |
7105 | ||
968040b2 | 7106 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW8(port)); |
9cbe40c1 VP |
7107 | dpio_val &= ~DPIO_CHV_TDC_TARGET_CNT_MASK; |
7108 | dpio_val |= (tribuf_calcntr << DPIO_CHV_TDC_TARGET_CNT_SHIFT); | |
7109 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW8(port), dpio_val); | |
7110 | ||
9d556c99 CML |
7111 | /* AFC Recal */ |
7112 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), | |
7113 | vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)) | | |
7114 | DPIO_AFC_RECAL); | |
7115 | ||
7116 | mutex_unlock(&dev_priv->dpio_lock); | |
7117 | } | |
7118 | ||
d288f65f VS |
7119 | /** |
7120 | * vlv_force_pll_on - forcibly enable just the PLL | |
7121 | * @dev_priv: i915 private structure | |
7122 | * @pipe: pipe PLL to enable | |
7123 | * @dpll: PLL configuration | |
7124 | * | |
7125 | * Enable the PLL for @pipe using the supplied @dpll config. To be used | |
7126 | * in cases where we need the PLL enabled even when @pipe is not going to | |
7127 | * be enabled. | |
7128 | */ | |
7129 | void vlv_force_pll_on(struct drm_device *dev, enum pipe pipe, | |
7130 | const struct dpll *dpll) | |
7131 | { | |
7132 | struct intel_crtc *crtc = | |
7133 | to_intel_crtc(intel_get_crtc_for_pipe(dev, pipe)); | |
5cec258b | 7134 | struct intel_crtc_state pipe_config = { |
a93e255f | 7135 | .base.crtc = &crtc->base, |
d288f65f VS |
7136 | .pixel_multiplier = 1, |
7137 | .dpll = *dpll, | |
7138 | }; | |
7139 | ||
7140 | if (IS_CHERRYVIEW(dev)) { | |
7141 | chv_update_pll(crtc, &pipe_config); | |
7142 | chv_prepare_pll(crtc, &pipe_config); | |
7143 | chv_enable_pll(crtc, &pipe_config); | |
7144 | } else { | |
7145 | vlv_update_pll(crtc, &pipe_config); | |
7146 | vlv_prepare_pll(crtc, &pipe_config); | |
7147 | vlv_enable_pll(crtc, &pipe_config); | |
7148 | } | |
7149 | } | |
7150 | ||
7151 | /** | |
7152 | * vlv_force_pll_off - forcibly disable just the PLL | |
7153 | * @dev_priv: i915 private structure | |
7154 | * @pipe: pipe PLL to disable | |
7155 | * | |
7156 | * Disable the PLL for @pipe. To be used in cases where we need | |
7157 | * the PLL enabled even when @pipe is not going to be enabled. | |
7158 | */ | |
7159 | void vlv_force_pll_off(struct drm_device *dev, enum pipe pipe) | |
7160 | { | |
7161 | if (IS_CHERRYVIEW(dev)) | |
7162 | chv_disable_pll(to_i915(dev), pipe); | |
7163 | else | |
7164 | vlv_disable_pll(to_i915(dev), pipe); | |
7165 | } | |
7166 | ||
f47709a9 | 7167 | static void i9xx_update_pll(struct intel_crtc *crtc, |
190f68c5 | 7168 | struct intel_crtc_state *crtc_state, |
f47709a9 | 7169 | intel_clock_t *reduced_clock, |
eb1cbe48 DV |
7170 | int num_connectors) |
7171 | { | |
f47709a9 | 7172 | struct drm_device *dev = crtc->base.dev; |
eb1cbe48 | 7173 | struct drm_i915_private *dev_priv = dev->dev_private; |
eb1cbe48 DV |
7174 | u32 dpll; |
7175 | bool is_sdvo; | |
190f68c5 | 7176 | struct dpll *clock = &crtc_state->dpll; |
eb1cbe48 | 7177 | |
190f68c5 | 7178 | i9xx_update_pll_dividers(crtc, crtc_state, reduced_clock); |
2a8f64ca | 7179 | |
a93e255f ACO |
7180 | is_sdvo = intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_SDVO) || |
7181 | intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_HDMI); | |
eb1cbe48 DV |
7182 | |
7183 | dpll = DPLL_VGA_MODE_DIS; | |
7184 | ||
a93e255f | 7185 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
eb1cbe48 DV |
7186 | dpll |= DPLLB_MODE_LVDS; |
7187 | else | |
7188 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
6cc5f341 | 7189 | |
ef1b460d | 7190 | if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
190f68c5 | 7191 | dpll |= (crtc_state->pixel_multiplier - 1) |
198a037f | 7192 | << SDVO_MULTIPLIER_SHIFT_HIRES; |
eb1cbe48 | 7193 | } |
198a037f DV |
7194 | |
7195 | if (is_sdvo) | |
4a33e48d | 7196 | dpll |= DPLL_SDVO_HIGH_SPEED; |
198a037f | 7197 | |
190f68c5 | 7198 | if (crtc_state->has_dp_encoder) |
4a33e48d | 7199 | dpll |= DPLL_SDVO_HIGH_SPEED; |
eb1cbe48 DV |
7200 | |
7201 | /* compute bitmask from p1 value */ | |
7202 | if (IS_PINEVIEW(dev)) | |
7203 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW; | |
7204 | else { | |
7205 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
7206 | if (IS_G4X(dev) && reduced_clock) | |
7207 | dpll |= (1 << (reduced_clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; | |
7208 | } | |
7209 | switch (clock->p2) { | |
7210 | case 5: | |
7211 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
7212 | break; | |
7213 | case 7: | |
7214 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
7215 | break; | |
7216 | case 10: | |
7217 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
7218 | break; | |
7219 | case 14: | |
7220 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
7221 | break; | |
7222 | } | |
7223 | if (INTEL_INFO(dev)->gen >= 4) | |
7224 | dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); | |
7225 | ||
190f68c5 | 7226 | if (crtc_state->sdvo_tv_clock) |
eb1cbe48 | 7227 | dpll |= PLL_REF_INPUT_TVCLKINBC; |
a93e255f | 7228 | else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
eb1cbe48 DV |
7229 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
7230 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; | |
7231 | else | |
7232 | dpll |= PLL_REF_INPUT_DREFCLK; | |
7233 | ||
7234 | dpll |= DPLL_VCO_ENABLE; | |
190f68c5 | 7235 | crtc_state->dpll_hw_state.dpll = dpll; |
8bcc2795 | 7236 | |
eb1cbe48 | 7237 | if (INTEL_INFO(dev)->gen >= 4) { |
190f68c5 | 7238 | u32 dpll_md = (crtc_state->pixel_multiplier - 1) |
ef1b460d | 7239 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
190f68c5 | 7240 | crtc_state->dpll_hw_state.dpll_md = dpll_md; |
eb1cbe48 DV |
7241 | } |
7242 | } | |
7243 | ||
f47709a9 | 7244 | static void i8xx_update_pll(struct intel_crtc *crtc, |
190f68c5 | 7245 | struct intel_crtc_state *crtc_state, |
f47709a9 | 7246 | intel_clock_t *reduced_clock, |
eb1cbe48 DV |
7247 | int num_connectors) |
7248 | { | |
f47709a9 | 7249 | struct drm_device *dev = crtc->base.dev; |
eb1cbe48 | 7250 | struct drm_i915_private *dev_priv = dev->dev_private; |
eb1cbe48 | 7251 | u32 dpll; |
190f68c5 | 7252 | struct dpll *clock = &crtc_state->dpll; |
eb1cbe48 | 7253 | |
190f68c5 | 7254 | i9xx_update_pll_dividers(crtc, crtc_state, reduced_clock); |
2a8f64ca | 7255 | |
eb1cbe48 DV |
7256 | dpll = DPLL_VGA_MODE_DIS; |
7257 | ||
a93e255f | 7258 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
eb1cbe48 DV |
7259 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
7260 | } else { | |
7261 | if (clock->p1 == 2) | |
7262 | dpll |= PLL_P1_DIVIDE_BY_TWO; | |
7263 | else | |
7264 | dpll |= (clock->p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
7265 | if (clock->p2 == 4) | |
7266 | dpll |= PLL_P2_DIVIDE_BY_4; | |
7267 | } | |
7268 | ||
a93e255f | 7269 | if (!IS_I830(dev) && intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_DVO)) |
4a33e48d DV |
7270 | dpll |= DPLL_DVO_2X_MODE; |
7271 | ||
a93e255f | 7272 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
eb1cbe48 DV |
7273 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
7274 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; | |
7275 | else | |
7276 | dpll |= PLL_REF_INPUT_DREFCLK; | |
7277 | ||
7278 | dpll |= DPLL_VCO_ENABLE; | |
190f68c5 | 7279 | crtc_state->dpll_hw_state.dpll = dpll; |
eb1cbe48 DV |
7280 | } |
7281 | ||
8a654f3b | 7282 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc) |
b0e77b9c PZ |
7283 | { |
7284 | struct drm_device *dev = intel_crtc->base.dev; | |
7285 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7286 | enum pipe pipe = intel_crtc->pipe; | |
6e3c9717 | 7287 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
8a654f3b | 7288 | struct drm_display_mode *adjusted_mode = |
6e3c9717 | 7289 | &intel_crtc->config->base.adjusted_mode; |
1caea6e9 VS |
7290 | uint32_t crtc_vtotal, crtc_vblank_end; |
7291 | int vsyncshift = 0; | |
4d8a62ea DV |
7292 | |
7293 | /* We need to be careful not to changed the adjusted mode, for otherwise | |
7294 | * the hw state checker will get angry at the mismatch. */ | |
7295 | crtc_vtotal = adjusted_mode->crtc_vtotal; | |
7296 | crtc_vblank_end = adjusted_mode->crtc_vblank_end; | |
b0e77b9c | 7297 | |
609aeaca | 7298 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { |
b0e77b9c | 7299 | /* the chip adds 2 halflines automatically */ |
4d8a62ea DV |
7300 | crtc_vtotal -= 1; |
7301 | crtc_vblank_end -= 1; | |
609aeaca | 7302 | |
409ee761 | 7303 | if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
609aeaca VS |
7304 | vsyncshift = (adjusted_mode->crtc_htotal - 1) / 2; |
7305 | else | |
7306 | vsyncshift = adjusted_mode->crtc_hsync_start - | |
7307 | adjusted_mode->crtc_htotal / 2; | |
1caea6e9 VS |
7308 | if (vsyncshift < 0) |
7309 | vsyncshift += adjusted_mode->crtc_htotal; | |
b0e77b9c PZ |
7310 | } |
7311 | ||
7312 | if (INTEL_INFO(dev)->gen > 3) | |
fe2b8f9d | 7313 | I915_WRITE(VSYNCSHIFT(cpu_transcoder), vsyncshift); |
b0e77b9c | 7314 | |
fe2b8f9d | 7315 | I915_WRITE(HTOTAL(cpu_transcoder), |
b0e77b9c PZ |
7316 | (adjusted_mode->crtc_hdisplay - 1) | |
7317 | ((adjusted_mode->crtc_htotal - 1) << 16)); | |
fe2b8f9d | 7318 | I915_WRITE(HBLANK(cpu_transcoder), |
b0e77b9c PZ |
7319 | (adjusted_mode->crtc_hblank_start - 1) | |
7320 | ((adjusted_mode->crtc_hblank_end - 1) << 16)); | |
fe2b8f9d | 7321 | I915_WRITE(HSYNC(cpu_transcoder), |
b0e77b9c PZ |
7322 | (adjusted_mode->crtc_hsync_start - 1) | |
7323 | ((adjusted_mode->crtc_hsync_end - 1) << 16)); | |
7324 | ||
fe2b8f9d | 7325 | I915_WRITE(VTOTAL(cpu_transcoder), |
b0e77b9c | 7326 | (adjusted_mode->crtc_vdisplay - 1) | |
4d8a62ea | 7327 | ((crtc_vtotal - 1) << 16)); |
fe2b8f9d | 7328 | I915_WRITE(VBLANK(cpu_transcoder), |
b0e77b9c | 7329 | (adjusted_mode->crtc_vblank_start - 1) | |
4d8a62ea | 7330 | ((crtc_vblank_end - 1) << 16)); |
fe2b8f9d | 7331 | I915_WRITE(VSYNC(cpu_transcoder), |
b0e77b9c PZ |
7332 | (adjusted_mode->crtc_vsync_start - 1) | |
7333 | ((adjusted_mode->crtc_vsync_end - 1) << 16)); | |
7334 | ||
b5e508d4 PZ |
7335 | /* Workaround: when the EDP input selection is B, the VTOTAL_B must be |
7336 | * programmed with the VTOTAL_EDP value. Same for VTOTAL_C. This is | |
7337 | * documented on the DDI_FUNC_CTL register description, EDP Input Select | |
7338 | * bits. */ | |
7339 | if (IS_HASWELL(dev) && cpu_transcoder == TRANSCODER_EDP && | |
7340 | (pipe == PIPE_B || pipe == PIPE_C)) | |
7341 | I915_WRITE(VTOTAL(pipe), I915_READ(VTOTAL(cpu_transcoder))); | |
7342 | ||
b0e77b9c PZ |
7343 | /* pipesrc controls the size that is scaled from, which should |
7344 | * always be the user's requested size. | |
7345 | */ | |
7346 | I915_WRITE(PIPESRC(pipe), | |
6e3c9717 ACO |
7347 | ((intel_crtc->config->pipe_src_w - 1) << 16) | |
7348 | (intel_crtc->config->pipe_src_h - 1)); | |
b0e77b9c PZ |
7349 | } |
7350 | ||
1bd1bd80 | 7351 | static void intel_get_pipe_timings(struct intel_crtc *crtc, |
5cec258b | 7352 | struct intel_crtc_state *pipe_config) |
1bd1bd80 DV |
7353 | { |
7354 | struct drm_device *dev = crtc->base.dev; | |
7355 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7356 | enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; | |
7357 | uint32_t tmp; | |
7358 | ||
7359 | tmp = I915_READ(HTOTAL(cpu_transcoder)); | |
2d112de7 ACO |
7360 | pipe_config->base.adjusted_mode.crtc_hdisplay = (tmp & 0xffff) + 1; |
7361 | pipe_config->base.adjusted_mode.crtc_htotal = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7362 | tmp = I915_READ(HBLANK(cpu_transcoder)); |
2d112de7 ACO |
7363 | pipe_config->base.adjusted_mode.crtc_hblank_start = (tmp & 0xffff) + 1; |
7364 | pipe_config->base.adjusted_mode.crtc_hblank_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7365 | tmp = I915_READ(HSYNC(cpu_transcoder)); |
2d112de7 ACO |
7366 | pipe_config->base.adjusted_mode.crtc_hsync_start = (tmp & 0xffff) + 1; |
7367 | pipe_config->base.adjusted_mode.crtc_hsync_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 DV |
7368 | |
7369 | tmp = I915_READ(VTOTAL(cpu_transcoder)); | |
2d112de7 ACO |
7370 | pipe_config->base.adjusted_mode.crtc_vdisplay = (tmp & 0xffff) + 1; |
7371 | pipe_config->base.adjusted_mode.crtc_vtotal = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7372 | tmp = I915_READ(VBLANK(cpu_transcoder)); |
2d112de7 ACO |
7373 | pipe_config->base.adjusted_mode.crtc_vblank_start = (tmp & 0xffff) + 1; |
7374 | pipe_config->base.adjusted_mode.crtc_vblank_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7375 | tmp = I915_READ(VSYNC(cpu_transcoder)); |
2d112de7 ACO |
7376 | pipe_config->base.adjusted_mode.crtc_vsync_start = (tmp & 0xffff) + 1; |
7377 | pipe_config->base.adjusted_mode.crtc_vsync_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 DV |
7378 | |
7379 | if (I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_INTERLACE_MASK) { | |
2d112de7 ACO |
7380 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_INTERLACE; |
7381 | pipe_config->base.adjusted_mode.crtc_vtotal += 1; | |
7382 | pipe_config->base.adjusted_mode.crtc_vblank_end += 1; | |
1bd1bd80 DV |
7383 | } |
7384 | ||
7385 | tmp = I915_READ(PIPESRC(crtc->pipe)); | |
37327abd VS |
7386 | pipe_config->pipe_src_h = (tmp & 0xffff) + 1; |
7387 | pipe_config->pipe_src_w = ((tmp >> 16) & 0xffff) + 1; | |
7388 | ||
2d112de7 ACO |
7389 | pipe_config->base.mode.vdisplay = pipe_config->pipe_src_h; |
7390 | pipe_config->base.mode.hdisplay = pipe_config->pipe_src_w; | |
1bd1bd80 DV |
7391 | } |
7392 | ||
f6a83288 | 7393 | void intel_mode_from_pipe_config(struct drm_display_mode *mode, |
5cec258b | 7394 | struct intel_crtc_state *pipe_config) |
babea61d | 7395 | { |
2d112de7 ACO |
7396 | mode->hdisplay = pipe_config->base.adjusted_mode.crtc_hdisplay; |
7397 | mode->htotal = pipe_config->base.adjusted_mode.crtc_htotal; | |
7398 | mode->hsync_start = pipe_config->base.adjusted_mode.crtc_hsync_start; | |
7399 | mode->hsync_end = pipe_config->base.adjusted_mode.crtc_hsync_end; | |
babea61d | 7400 | |
2d112de7 ACO |
7401 | mode->vdisplay = pipe_config->base.adjusted_mode.crtc_vdisplay; |
7402 | mode->vtotal = pipe_config->base.adjusted_mode.crtc_vtotal; | |
7403 | mode->vsync_start = pipe_config->base.adjusted_mode.crtc_vsync_start; | |
7404 | mode->vsync_end = pipe_config->base.adjusted_mode.crtc_vsync_end; | |
babea61d | 7405 | |
2d112de7 | 7406 | mode->flags = pipe_config->base.adjusted_mode.flags; |
babea61d | 7407 | |
2d112de7 ACO |
7408 | mode->clock = pipe_config->base.adjusted_mode.crtc_clock; |
7409 | mode->flags |= pipe_config->base.adjusted_mode.flags; | |
babea61d JB |
7410 | } |
7411 | ||
84b046f3 DV |
7412 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc) |
7413 | { | |
7414 | struct drm_device *dev = intel_crtc->base.dev; | |
7415 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7416 | uint32_t pipeconf; | |
7417 | ||
9f11a9e4 | 7418 | pipeconf = 0; |
84b046f3 | 7419 | |
b6b5d049 VS |
7420 | if ((intel_crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
7421 | (intel_crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
7422 | pipeconf |= I915_READ(PIPECONF(intel_crtc->pipe)) & PIPECONF_ENABLE; | |
67c72a12 | 7423 | |
6e3c9717 | 7424 | if (intel_crtc->config->double_wide) |
cf532bb2 | 7425 | pipeconf |= PIPECONF_DOUBLE_WIDE; |
84b046f3 | 7426 | |
ff9ce46e DV |
7427 | /* only g4x and later have fancy bpc/dither controls */ |
7428 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { | |
ff9ce46e | 7429 | /* Bspec claims that we can't use dithering for 30bpp pipes. */ |
6e3c9717 | 7430 | if (intel_crtc->config->dither && intel_crtc->config->pipe_bpp != 30) |
ff9ce46e | 7431 | pipeconf |= PIPECONF_DITHER_EN | |
84b046f3 | 7432 | PIPECONF_DITHER_TYPE_SP; |
84b046f3 | 7433 | |
6e3c9717 | 7434 | switch (intel_crtc->config->pipe_bpp) { |
ff9ce46e DV |
7435 | case 18: |
7436 | pipeconf |= PIPECONF_6BPC; | |
7437 | break; | |
7438 | case 24: | |
7439 | pipeconf |= PIPECONF_8BPC; | |
7440 | break; | |
7441 | case 30: | |
7442 | pipeconf |= PIPECONF_10BPC; | |
7443 | break; | |
7444 | default: | |
7445 | /* Case prevented by intel_choose_pipe_bpp_dither. */ | |
7446 | BUG(); | |
84b046f3 DV |
7447 | } |
7448 | } | |
7449 | ||
7450 | if (HAS_PIPE_CXSR(dev)) { | |
7451 | if (intel_crtc->lowfreq_avail) { | |
7452 | DRM_DEBUG_KMS("enabling CxSR downclocking\n"); | |
7453 | pipeconf |= PIPECONF_CXSR_DOWNCLOCK; | |
7454 | } else { | |
7455 | DRM_DEBUG_KMS("disabling CxSR downclocking\n"); | |
84b046f3 DV |
7456 | } |
7457 | } | |
7458 | ||
6e3c9717 | 7459 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) { |
efc2cfff | 7460 | if (INTEL_INFO(dev)->gen < 4 || |
409ee761 | 7461 | intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
efc2cfff VS |
7462 | pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; |
7463 | else | |
7464 | pipeconf |= PIPECONF_INTERLACE_W_SYNC_SHIFT; | |
7465 | } else | |
84b046f3 DV |
7466 | pipeconf |= PIPECONF_PROGRESSIVE; |
7467 | ||
6e3c9717 | 7468 | if (IS_VALLEYVIEW(dev) && intel_crtc->config->limited_color_range) |
9f11a9e4 | 7469 | pipeconf |= PIPECONF_COLOR_RANGE_SELECT; |
9c8e09b7 | 7470 | |
84b046f3 DV |
7471 | I915_WRITE(PIPECONF(intel_crtc->pipe), pipeconf); |
7472 | POSTING_READ(PIPECONF(intel_crtc->pipe)); | |
7473 | } | |
7474 | ||
190f68c5 ACO |
7475 | static int i9xx_crtc_compute_clock(struct intel_crtc *crtc, |
7476 | struct intel_crtc_state *crtc_state) | |
79e53945 | 7477 | { |
c7653199 | 7478 | struct drm_device *dev = crtc->base.dev; |
79e53945 | 7479 | struct drm_i915_private *dev_priv = dev->dev_private; |
c751ce4f | 7480 | int refclk, num_connectors = 0; |
652c393a | 7481 | intel_clock_t clock, reduced_clock; |
a16af721 | 7482 | bool ok, has_reduced_clock = false; |
e9fd1c02 | 7483 | bool is_lvds = false, is_dsi = false; |
5eddb70b | 7484 | struct intel_encoder *encoder; |
d4906093 | 7485 | const intel_limit_t *limit; |
55bb9992 | 7486 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 7487 | struct drm_connector *connector; |
55bb9992 ACO |
7488 | struct drm_connector_state *connector_state; |
7489 | int i; | |
79e53945 | 7490 | |
da3ced29 | 7491 | for_each_connector_in_state(state, connector, connector_state, i) { |
55bb9992 ACO |
7492 | if (connector_state->crtc != &crtc->base) |
7493 | continue; | |
7494 | ||
7495 | encoder = to_intel_encoder(connector_state->best_encoder); | |
7496 | ||
5eddb70b | 7497 | switch (encoder->type) { |
79e53945 JB |
7498 | case INTEL_OUTPUT_LVDS: |
7499 | is_lvds = true; | |
7500 | break; | |
e9fd1c02 JN |
7501 | case INTEL_OUTPUT_DSI: |
7502 | is_dsi = true; | |
7503 | break; | |
6847d71b PZ |
7504 | default: |
7505 | break; | |
79e53945 | 7506 | } |
43565a06 | 7507 | |
c751ce4f | 7508 | num_connectors++; |
79e53945 JB |
7509 | } |
7510 | ||
f2335330 | 7511 | if (is_dsi) |
5b18e57c | 7512 | return 0; |
f2335330 | 7513 | |
190f68c5 | 7514 | if (!crtc_state->clock_set) { |
a93e255f | 7515 | refclk = i9xx_get_refclk(crtc_state, num_connectors); |
79e53945 | 7516 | |
e9fd1c02 JN |
7517 | /* |
7518 | * Returns a set of divisors for the desired target clock with | |
7519 | * the given refclk, or FALSE. The returned values represent | |
7520 | * the clock equation: reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + | |
7521 | * 2) / p1 / p2. | |
7522 | */ | |
a93e255f ACO |
7523 | limit = intel_limit(crtc_state, refclk); |
7524 | ok = dev_priv->display.find_dpll(limit, crtc_state, | |
190f68c5 | 7525 | crtc_state->port_clock, |
e9fd1c02 | 7526 | refclk, NULL, &clock); |
f2335330 | 7527 | if (!ok) { |
e9fd1c02 JN |
7528 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
7529 | return -EINVAL; | |
7530 | } | |
79e53945 | 7531 | |
f2335330 JN |
7532 | if (is_lvds && dev_priv->lvds_downclock_avail) { |
7533 | /* | |
7534 | * Ensure we match the reduced clock's P to the target | |
7535 | * clock. If the clocks don't match, we can't switch | |
7536 | * the display clock by using the FP0/FP1. In such case | |
7537 | * we will disable the LVDS downclock feature. | |
7538 | */ | |
7539 | has_reduced_clock = | |
a93e255f | 7540 | dev_priv->display.find_dpll(limit, crtc_state, |
f2335330 JN |
7541 | dev_priv->lvds_downclock, |
7542 | refclk, &clock, | |
7543 | &reduced_clock); | |
7544 | } | |
7545 | /* Compat-code for transition, will disappear. */ | |
190f68c5 ACO |
7546 | crtc_state->dpll.n = clock.n; |
7547 | crtc_state->dpll.m1 = clock.m1; | |
7548 | crtc_state->dpll.m2 = clock.m2; | |
7549 | crtc_state->dpll.p1 = clock.p1; | |
7550 | crtc_state->dpll.p2 = clock.p2; | |
f47709a9 | 7551 | } |
7026d4ac | 7552 | |
e9fd1c02 | 7553 | if (IS_GEN2(dev)) { |
190f68c5 | 7554 | i8xx_update_pll(crtc, crtc_state, |
2a8f64ca VP |
7555 | has_reduced_clock ? &reduced_clock : NULL, |
7556 | num_connectors); | |
9d556c99 | 7557 | } else if (IS_CHERRYVIEW(dev)) { |
190f68c5 | 7558 | chv_update_pll(crtc, crtc_state); |
e9fd1c02 | 7559 | } else if (IS_VALLEYVIEW(dev)) { |
190f68c5 | 7560 | vlv_update_pll(crtc, crtc_state); |
e9fd1c02 | 7561 | } else { |
190f68c5 | 7562 | i9xx_update_pll(crtc, crtc_state, |
eb1cbe48 | 7563 | has_reduced_clock ? &reduced_clock : NULL, |
eba905b2 | 7564 | num_connectors); |
e9fd1c02 | 7565 | } |
79e53945 | 7566 | |
c8f7a0db | 7567 | return 0; |
f564048e EA |
7568 | } |
7569 | ||
2fa2fe9a | 7570 | static void i9xx_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 7571 | struct intel_crtc_state *pipe_config) |
2fa2fe9a DV |
7572 | { |
7573 | struct drm_device *dev = crtc->base.dev; | |
7574 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7575 | uint32_t tmp; | |
7576 | ||
dc9e7dec VS |
7577 | if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev))) |
7578 | return; | |
7579 | ||
2fa2fe9a | 7580 | tmp = I915_READ(PFIT_CONTROL); |
06922821 DV |
7581 | if (!(tmp & PFIT_ENABLE)) |
7582 | return; | |
2fa2fe9a | 7583 | |
06922821 | 7584 | /* Check whether the pfit is attached to our pipe. */ |
2fa2fe9a DV |
7585 | if (INTEL_INFO(dev)->gen < 4) { |
7586 | if (crtc->pipe != PIPE_B) | |
7587 | return; | |
2fa2fe9a DV |
7588 | } else { |
7589 | if ((tmp & PFIT_PIPE_MASK) != (crtc->pipe << PFIT_PIPE_SHIFT)) | |
7590 | return; | |
7591 | } | |
7592 | ||
06922821 | 7593 | pipe_config->gmch_pfit.control = tmp; |
2fa2fe9a DV |
7594 | pipe_config->gmch_pfit.pgm_ratios = I915_READ(PFIT_PGM_RATIOS); |
7595 | if (INTEL_INFO(dev)->gen < 5) | |
7596 | pipe_config->gmch_pfit.lvds_border_bits = | |
7597 | I915_READ(LVDS) & LVDS_BORDER_ENABLE; | |
7598 | } | |
7599 | ||
acbec814 | 7600 | static void vlv_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 7601 | struct intel_crtc_state *pipe_config) |
acbec814 JB |
7602 | { |
7603 | struct drm_device *dev = crtc->base.dev; | |
7604 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7605 | int pipe = pipe_config->cpu_transcoder; | |
7606 | intel_clock_t clock; | |
7607 | u32 mdiv; | |
662c6ecb | 7608 | int refclk = 100000; |
acbec814 | 7609 | |
f573de5a SK |
7610 | /* In case of MIPI DPLL will not even be used */ |
7611 | if (!(pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE)) | |
7612 | return; | |
7613 | ||
acbec814 | 7614 | mutex_lock(&dev_priv->dpio_lock); |
ab3c759a | 7615 | mdiv = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW3(pipe)); |
acbec814 JB |
7616 | mutex_unlock(&dev_priv->dpio_lock); |
7617 | ||
7618 | clock.m1 = (mdiv >> DPIO_M1DIV_SHIFT) & 7; | |
7619 | clock.m2 = mdiv & DPIO_M2DIV_MASK; | |
7620 | clock.n = (mdiv >> DPIO_N_SHIFT) & 0xf; | |
7621 | clock.p1 = (mdiv >> DPIO_P1_SHIFT) & 7; | |
7622 | clock.p2 = (mdiv >> DPIO_P2_SHIFT) & 0x1f; | |
7623 | ||
f646628b | 7624 | vlv_clock(refclk, &clock); |
acbec814 | 7625 | |
f646628b VS |
7626 | /* clock.dot is the fast clock */ |
7627 | pipe_config->port_clock = clock.dot / 5; | |
acbec814 JB |
7628 | } |
7629 | ||
5724dbd1 DL |
7630 | static void |
7631 | i9xx_get_initial_plane_config(struct intel_crtc *crtc, | |
7632 | struct intel_initial_plane_config *plane_config) | |
1ad292b5 JB |
7633 | { |
7634 | struct drm_device *dev = crtc->base.dev; | |
7635 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7636 | u32 val, base, offset; | |
7637 | int pipe = crtc->pipe, plane = crtc->plane; | |
7638 | int fourcc, pixel_format; | |
6761dd31 | 7639 | unsigned int aligned_height; |
b113d5ee | 7640 | struct drm_framebuffer *fb; |
1b842c89 | 7641 | struct intel_framebuffer *intel_fb; |
1ad292b5 | 7642 | |
42a7b088 DL |
7643 | val = I915_READ(DSPCNTR(plane)); |
7644 | if (!(val & DISPLAY_PLANE_ENABLE)) | |
7645 | return; | |
7646 | ||
d9806c9f | 7647 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 7648 | if (!intel_fb) { |
1ad292b5 JB |
7649 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
7650 | return; | |
7651 | } | |
7652 | ||
1b842c89 DL |
7653 | fb = &intel_fb->base; |
7654 | ||
18c5247e DV |
7655 | if (INTEL_INFO(dev)->gen >= 4) { |
7656 | if (val & DISPPLANE_TILED) { | |
49af449b | 7657 | plane_config->tiling = I915_TILING_X; |
18c5247e DV |
7658 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; |
7659 | } | |
7660 | } | |
1ad292b5 JB |
7661 | |
7662 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; | |
b35d63fa | 7663 | fourcc = i9xx_format_to_fourcc(pixel_format); |
b113d5ee DL |
7664 | fb->pixel_format = fourcc; |
7665 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
1ad292b5 JB |
7666 | |
7667 | if (INTEL_INFO(dev)->gen >= 4) { | |
49af449b | 7668 | if (plane_config->tiling) |
1ad292b5 JB |
7669 | offset = I915_READ(DSPTILEOFF(plane)); |
7670 | else | |
7671 | offset = I915_READ(DSPLINOFF(plane)); | |
7672 | base = I915_READ(DSPSURF(plane)) & 0xfffff000; | |
7673 | } else { | |
7674 | base = I915_READ(DSPADDR(plane)); | |
7675 | } | |
7676 | plane_config->base = base; | |
7677 | ||
7678 | val = I915_READ(PIPESRC(pipe)); | |
b113d5ee DL |
7679 | fb->width = ((val >> 16) & 0xfff) + 1; |
7680 | fb->height = ((val >> 0) & 0xfff) + 1; | |
1ad292b5 JB |
7681 | |
7682 | val = I915_READ(DSPSTRIDE(pipe)); | |
b113d5ee | 7683 | fb->pitches[0] = val & 0xffffffc0; |
1ad292b5 | 7684 | |
b113d5ee | 7685 | aligned_height = intel_fb_align_height(dev, fb->height, |
091df6cb DV |
7686 | fb->pixel_format, |
7687 | fb->modifier[0]); | |
1ad292b5 | 7688 | |
f37b5c2b | 7689 | plane_config->size = fb->pitches[0] * aligned_height; |
1ad292b5 | 7690 | |
2844a921 DL |
7691 | DRM_DEBUG_KMS("pipe/plane %c/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
7692 | pipe_name(pipe), plane, fb->width, fb->height, | |
7693 | fb->bits_per_pixel, base, fb->pitches[0], | |
7694 | plane_config->size); | |
1ad292b5 | 7695 | |
2d14030b | 7696 | plane_config->fb = intel_fb; |
1ad292b5 JB |
7697 | } |
7698 | ||
70b23a98 | 7699 | static void chv_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 7700 | struct intel_crtc_state *pipe_config) |
70b23a98 VS |
7701 | { |
7702 | struct drm_device *dev = crtc->base.dev; | |
7703 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7704 | int pipe = pipe_config->cpu_transcoder; | |
7705 | enum dpio_channel port = vlv_pipe_to_channel(pipe); | |
7706 | intel_clock_t clock; | |
7707 | u32 cmn_dw13, pll_dw0, pll_dw1, pll_dw2; | |
7708 | int refclk = 100000; | |
7709 | ||
7710 | mutex_lock(&dev_priv->dpio_lock); | |
7711 | cmn_dw13 = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW13(port)); | |
7712 | pll_dw0 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW0(port)); | |
7713 | pll_dw1 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW1(port)); | |
7714 | pll_dw2 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW2(port)); | |
7715 | mutex_unlock(&dev_priv->dpio_lock); | |
7716 | ||
7717 | clock.m1 = (pll_dw1 & 0x7) == DPIO_CHV_M1_DIV_BY_2 ? 2 : 0; | |
7718 | clock.m2 = ((pll_dw0 & 0xff) << 22) | (pll_dw2 & 0x3fffff); | |
7719 | clock.n = (pll_dw1 >> DPIO_CHV_N_DIV_SHIFT) & 0xf; | |
7720 | clock.p1 = (cmn_dw13 >> DPIO_CHV_P1_DIV_SHIFT) & 0x7; | |
7721 | clock.p2 = (cmn_dw13 >> DPIO_CHV_P2_DIV_SHIFT) & 0x1f; | |
7722 | ||
7723 | chv_clock(refclk, &clock); | |
7724 | ||
7725 | /* clock.dot is the fast clock */ | |
7726 | pipe_config->port_clock = clock.dot / 5; | |
7727 | } | |
7728 | ||
0e8ffe1b | 7729 | static bool i9xx_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 7730 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
7731 | { |
7732 | struct drm_device *dev = crtc->base.dev; | |
7733 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7734 | uint32_t tmp; | |
7735 | ||
f458ebbc DV |
7736 | if (!intel_display_power_is_enabled(dev_priv, |
7737 | POWER_DOMAIN_PIPE(crtc->pipe))) | |
b5482bd0 ID |
7738 | return false; |
7739 | ||
e143a21c | 7740 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
c0d43d62 | 7741 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
eccb140b | 7742 | |
0e8ffe1b DV |
7743 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
7744 | if (!(tmp & PIPECONF_ENABLE)) | |
7745 | return false; | |
7746 | ||
42571aef VS |
7747 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { |
7748 | switch (tmp & PIPECONF_BPC_MASK) { | |
7749 | case PIPECONF_6BPC: | |
7750 | pipe_config->pipe_bpp = 18; | |
7751 | break; | |
7752 | case PIPECONF_8BPC: | |
7753 | pipe_config->pipe_bpp = 24; | |
7754 | break; | |
7755 | case PIPECONF_10BPC: | |
7756 | pipe_config->pipe_bpp = 30; | |
7757 | break; | |
7758 | default: | |
7759 | break; | |
7760 | } | |
7761 | } | |
7762 | ||
b5a9fa09 DV |
7763 | if (IS_VALLEYVIEW(dev) && (tmp & PIPECONF_COLOR_RANGE_SELECT)) |
7764 | pipe_config->limited_color_range = true; | |
7765 | ||
282740f7 VS |
7766 | if (INTEL_INFO(dev)->gen < 4) |
7767 | pipe_config->double_wide = tmp & PIPECONF_DOUBLE_WIDE; | |
7768 | ||
1bd1bd80 DV |
7769 | intel_get_pipe_timings(crtc, pipe_config); |
7770 | ||
2fa2fe9a DV |
7771 | i9xx_get_pfit_config(crtc, pipe_config); |
7772 | ||
6c49f241 DV |
7773 | if (INTEL_INFO(dev)->gen >= 4) { |
7774 | tmp = I915_READ(DPLL_MD(crtc->pipe)); | |
7775 | pipe_config->pixel_multiplier = | |
7776 | ((tmp & DPLL_MD_UDI_MULTIPLIER_MASK) | |
7777 | >> DPLL_MD_UDI_MULTIPLIER_SHIFT) + 1; | |
8bcc2795 | 7778 | pipe_config->dpll_hw_state.dpll_md = tmp; |
6c49f241 DV |
7779 | } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
7780 | tmp = I915_READ(DPLL(crtc->pipe)); | |
7781 | pipe_config->pixel_multiplier = | |
7782 | ((tmp & SDVO_MULTIPLIER_MASK) | |
7783 | >> SDVO_MULTIPLIER_SHIFT_HIRES) + 1; | |
7784 | } else { | |
7785 | /* Note that on i915G/GM the pixel multiplier is in the sdvo | |
7786 | * port and will be fixed up in the encoder->get_config | |
7787 | * function. */ | |
7788 | pipe_config->pixel_multiplier = 1; | |
7789 | } | |
8bcc2795 DV |
7790 | pipe_config->dpll_hw_state.dpll = I915_READ(DPLL(crtc->pipe)); |
7791 | if (!IS_VALLEYVIEW(dev)) { | |
1c4e0274 VS |
7792 | /* |
7793 | * DPLL_DVO_2X_MODE must be enabled for both DPLLs | |
7794 | * on 830. Filter it out here so that we don't | |
7795 | * report errors due to that. | |
7796 | */ | |
7797 | if (IS_I830(dev)) | |
7798 | pipe_config->dpll_hw_state.dpll &= ~DPLL_DVO_2X_MODE; | |
7799 | ||
8bcc2795 DV |
7800 | pipe_config->dpll_hw_state.fp0 = I915_READ(FP0(crtc->pipe)); |
7801 | pipe_config->dpll_hw_state.fp1 = I915_READ(FP1(crtc->pipe)); | |
165e901c VS |
7802 | } else { |
7803 | /* Mask out read-only status bits. */ | |
7804 | pipe_config->dpll_hw_state.dpll &= ~(DPLL_LOCK_VLV | | |
7805 | DPLL_PORTC_READY_MASK | | |
7806 | DPLL_PORTB_READY_MASK); | |
8bcc2795 | 7807 | } |
6c49f241 | 7808 | |
70b23a98 VS |
7809 | if (IS_CHERRYVIEW(dev)) |
7810 | chv_crtc_clock_get(crtc, pipe_config); | |
7811 | else if (IS_VALLEYVIEW(dev)) | |
acbec814 JB |
7812 | vlv_crtc_clock_get(crtc, pipe_config); |
7813 | else | |
7814 | i9xx_crtc_clock_get(crtc, pipe_config); | |
18442d08 | 7815 | |
0e8ffe1b DV |
7816 | return true; |
7817 | } | |
7818 | ||
dde86e2d | 7819 | static void ironlake_init_pch_refclk(struct drm_device *dev) |
13d83a67 JB |
7820 | { |
7821 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13d83a67 | 7822 | struct intel_encoder *encoder; |
74cfd7ac | 7823 | u32 val, final; |
13d83a67 | 7824 | bool has_lvds = false; |
199e5d79 | 7825 | bool has_cpu_edp = false; |
199e5d79 | 7826 | bool has_panel = false; |
99eb6a01 KP |
7827 | bool has_ck505 = false; |
7828 | bool can_ssc = false; | |
13d83a67 JB |
7829 | |
7830 | /* We need to take the global config into account */ | |
b2784e15 | 7831 | for_each_intel_encoder(dev, encoder) { |
199e5d79 KP |
7832 | switch (encoder->type) { |
7833 | case INTEL_OUTPUT_LVDS: | |
7834 | has_panel = true; | |
7835 | has_lvds = true; | |
7836 | break; | |
7837 | case INTEL_OUTPUT_EDP: | |
7838 | has_panel = true; | |
2de6905f | 7839 | if (enc_to_dig_port(&encoder->base)->port == PORT_A) |
199e5d79 KP |
7840 | has_cpu_edp = true; |
7841 | break; | |
6847d71b PZ |
7842 | default: |
7843 | break; | |
13d83a67 JB |
7844 | } |
7845 | } | |
7846 | ||
99eb6a01 | 7847 | if (HAS_PCH_IBX(dev)) { |
41aa3448 | 7848 | has_ck505 = dev_priv->vbt.display_clock_mode; |
99eb6a01 KP |
7849 | can_ssc = has_ck505; |
7850 | } else { | |
7851 | has_ck505 = false; | |
7852 | can_ssc = true; | |
7853 | } | |
7854 | ||
2de6905f ID |
7855 | DRM_DEBUG_KMS("has_panel %d has_lvds %d has_ck505 %d\n", |
7856 | has_panel, has_lvds, has_ck505); | |
13d83a67 JB |
7857 | |
7858 | /* Ironlake: try to setup display ref clock before DPLL | |
7859 | * enabling. This is only under driver's control after | |
7860 | * PCH B stepping, previous chipset stepping should be | |
7861 | * ignoring this setting. | |
7862 | */ | |
74cfd7ac CW |
7863 | val = I915_READ(PCH_DREF_CONTROL); |
7864 | ||
7865 | /* As we must carefully and slowly disable/enable each source in turn, | |
7866 | * compute the final state we want first and check if we need to | |
7867 | * make any changes at all. | |
7868 | */ | |
7869 | final = val; | |
7870 | final &= ~DREF_NONSPREAD_SOURCE_MASK; | |
7871 | if (has_ck505) | |
7872 | final |= DREF_NONSPREAD_CK505_ENABLE; | |
7873 | else | |
7874 | final |= DREF_NONSPREAD_SOURCE_ENABLE; | |
7875 | ||
7876 | final &= ~DREF_SSC_SOURCE_MASK; | |
7877 | final &= ~DREF_CPU_SOURCE_OUTPUT_MASK; | |
7878 | final &= ~DREF_SSC1_ENABLE; | |
7879 | ||
7880 | if (has_panel) { | |
7881 | final |= DREF_SSC_SOURCE_ENABLE; | |
7882 | ||
7883 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
7884 | final |= DREF_SSC1_ENABLE; | |
7885 | ||
7886 | if (has_cpu_edp) { | |
7887 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
7888 | final |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; | |
7889 | else | |
7890 | final |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; | |
7891 | } else | |
7892 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; | |
7893 | } else { | |
7894 | final |= DREF_SSC_SOURCE_DISABLE; | |
7895 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; | |
7896 | } | |
7897 | ||
7898 | if (final == val) | |
7899 | return; | |
7900 | ||
13d83a67 | 7901 | /* Always enable nonspread source */ |
74cfd7ac | 7902 | val &= ~DREF_NONSPREAD_SOURCE_MASK; |
13d83a67 | 7903 | |
99eb6a01 | 7904 | if (has_ck505) |
74cfd7ac | 7905 | val |= DREF_NONSPREAD_CK505_ENABLE; |
99eb6a01 | 7906 | else |
74cfd7ac | 7907 | val |= DREF_NONSPREAD_SOURCE_ENABLE; |
13d83a67 | 7908 | |
199e5d79 | 7909 | if (has_panel) { |
74cfd7ac CW |
7910 | val &= ~DREF_SSC_SOURCE_MASK; |
7911 | val |= DREF_SSC_SOURCE_ENABLE; | |
13d83a67 | 7912 | |
199e5d79 | 7913 | /* SSC must be turned on before enabling the CPU output */ |
99eb6a01 | 7914 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 7915 | DRM_DEBUG_KMS("Using SSC on panel\n"); |
74cfd7ac | 7916 | val |= DREF_SSC1_ENABLE; |
e77166b5 | 7917 | } else |
74cfd7ac | 7918 | val &= ~DREF_SSC1_ENABLE; |
199e5d79 KP |
7919 | |
7920 | /* Get SSC going before enabling the outputs */ | |
74cfd7ac | 7921 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
7922 | POSTING_READ(PCH_DREF_CONTROL); |
7923 | udelay(200); | |
7924 | ||
74cfd7ac | 7925 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
13d83a67 JB |
7926 | |
7927 | /* Enable CPU source on CPU attached eDP */ | |
199e5d79 | 7928 | if (has_cpu_edp) { |
99eb6a01 | 7929 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 7930 | DRM_DEBUG_KMS("Using SSC on eDP\n"); |
74cfd7ac | 7931 | val |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; |
eba905b2 | 7932 | } else |
74cfd7ac | 7933 | val |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; |
199e5d79 | 7934 | } else |
74cfd7ac | 7935 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 7936 | |
74cfd7ac | 7937 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
7938 | POSTING_READ(PCH_DREF_CONTROL); |
7939 | udelay(200); | |
7940 | } else { | |
7941 | DRM_DEBUG_KMS("Disabling SSC entirely\n"); | |
7942 | ||
74cfd7ac | 7943 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
199e5d79 KP |
7944 | |
7945 | /* Turn off CPU output */ | |
74cfd7ac | 7946 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 7947 | |
74cfd7ac | 7948 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
7949 | POSTING_READ(PCH_DREF_CONTROL); |
7950 | udelay(200); | |
7951 | ||
7952 | /* Turn off the SSC source */ | |
74cfd7ac CW |
7953 | val &= ~DREF_SSC_SOURCE_MASK; |
7954 | val |= DREF_SSC_SOURCE_DISABLE; | |
199e5d79 KP |
7955 | |
7956 | /* Turn off SSC1 */ | |
74cfd7ac | 7957 | val &= ~DREF_SSC1_ENABLE; |
199e5d79 | 7958 | |
74cfd7ac | 7959 | I915_WRITE(PCH_DREF_CONTROL, val); |
13d83a67 JB |
7960 | POSTING_READ(PCH_DREF_CONTROL); |
7961 | udelay(200); | |
7962 | } | |
74cfd7ac CW |
7963 | |
7964 | BUG_ON(val != final); | |
13d83a67 JB |
7965 | } |
7966 | ||
f31f2d55 | 7967 | static void lpt_reset_fdi_mphy(struct drm_i915_private *dev_priv) |
dde86e2d | 7968 | { |
f31f2d55 | 7969 | uint32_t tmp; |
dde86e2d | 7970 | |
0ff066a9 PZ |
7971 | tmp = I915_READ(SOUTH_CHICKEN2); |
7972 | tmp |= FDI_MPHY_IOSFSB_RESET_CTL; | |
7973 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
dde86e2d | 7974 | |
0ff066a9 PZ |
7975 | if (wait_for_atomic_us(I915_READ(SOUTH_CHICKEN2) & |
7976 | FDI_MPHY_IOSFSB_RESET_STATUS, 100)) | |
7977 | DRM_ERROR("FDI mPHY reset assert timeout\n"); | |
dde86e2d | 7978 | |
0ff066a9 PZ |
7979 | tmp = I915_READ(SOUTH_CHICKEN2); |
7980 | tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL; | |
7981 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
dde86e2d | 7982 | |
0ff066a9 PZ |
7983 | if (wait_for_atomic_us((I915_READ(SOUTH_CHICKEN2) & |
7984 | FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100)) | |
7985 | DRM_ERROR("FDI mPHY reset de-assert timeout\n"); | |
f31f2d55 PZ |
7986 | } |
7987 | ||
7988 | /* WaMPhyProgramming:hsw */ | |
7989 | static void lpt_program_fdi_mphy(struct drm_i915_private *dev_priv) | |
7990 | { | |
7991 | uint32_t tmp; | |
dde86e2d PZ |
7992 | |
7993 | tmp = intel_sbi_read(dev_priv, 0x8008, SBI_MPHY); | |
7994 | tmp &= ~(0xFF << 24); | |
7995 | tmp |= (0x12 << 24); | |
7996 | intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY); | |
7997 | ||
dde86e2d PZ |
7998 | tmp = intel_sbi_read(dev_priv, 0x2008, SBI_MPHY); |
7999 | tmp |= (1 << 11); | |
8000 | intel_sbi_write(dev_priv, 0x2008, tmp, SBI_MPHY); | |
8001 | ||
8002 | tmp = intel_sbi_read(dev_priv, 0x2108, SBI_MPHY); | |
8003 | tmp |= (1 << 11); | |
8004 | intel_sbi_write(dev_priv, 0x2108, tmp, SBI_MPHY); | |
8005 | ||
dde86e2d PZ |
8006 | tmp = intel_sbi_read(dev_priv, 0x206C, SBI_MPHY); |
8007 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
8008 | intel_sbi_write(dev_priv, 0x206C, tmp, SBI_MPHY); | |
8009 | ||
8010 | tmp = intel_sbi_read(dev_priv, 0x216C, SBI_MPHY); | |
8011 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
8012 | intel_sbi_write(dev_priv, 0x216C, tmp, SBI_MPHY); | |
8013 | ||
0ff066a9 PZ |
8014 | tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY); |
8015 | tmp &= ~(7 << 13); | |
8016 | tmp |= (5 << 13); | |
8017 | intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY); | |
dde86e2d | 8018 | |
0ff066a9 PZ |
8019 | tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY); |
8020 | tmp &= ~(7 << 13); | |
8021 | tmp |= (5 << 13); | |
8022 | intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY); | |
dde86e2d PZ |
8023 | |
8024 | tmp = intel_sbi_read(dev_priv, 0x208C, SBI_MPHY); | |
8025 | tmp &= ~0xFF; | |
8026 | tmp |= 0x1C; | |
8027 | intel_sbi_write(dev_priv, 0x208C, tmp, SBI_MPHY); | |
8028 | ||
8029 | tmp = intel_sbi_read(dev_priv, 0x218C, SBI_MPHY); | |
8030 | tmp &= ~0xFF; | |
8031 | tmp |= 0x1C; | |
8032 | intel_sbi_write(dev_priv, 0x218C, tmp, SBI_MPHY); | |
8033 | ||
8034 | tmp = intel_sbi_read(dev_priv, 0x2098, SBI_MPHY); | |
8035 | tmp &= ~(0xFF << 16); | |
8036 | tmp |= (0x1C << 16); | |
8037 | intel_sbi_write(dev_priv, 0x2098, tmp, SBI_MPHY); | |
8038 | ||
8039 | tmp = intel_sbi_read(dev_priv, 0x2198, SBI_MPHY); | |
8040 | tmp &= ~(0xFF << 16); | |
8041 | tmp |= (0x1C << 16); | |
8042 | intel_sbi_write(dev_priv, 0x2198, tmp, SBI_MPHY); | |
8043 | ||
0ff066a9 PZ |
8044 | tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY); |
8045 | tmp |= (1 << 27); | |
8046 | intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY); | |
dde86e2d | 8047 | |
0ff066a9 PZ |
8048 | tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY); |
8049 | tmp |= (1 << 27); | |
8050 | intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY); | |
dde86e2d | 8051 | |
0ff066a9 PZ |
8052 | tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY); |
8053 | tmp &= ~(0xF << 28); | |
8054 | tmp |= (4 << 28); | |
8055 | intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY); | |
dde86e2d | 8056 | |
0ff066a9 PZ |
8057 | tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY); |
8058 | tmp &= ~(0xF << 28); | |
8059 | tmp |= (4 << 28); | |
8060 | intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY); | |
f31f2d55 PZ |
8061 | } |
8062 | ||
2fa86a1f PZ |
8063 | /* Implements 3 different sequences from BSpec chapter "Display iCLK |
8064 | * Programming" based on the parameters passed: | |
8065 | * - Sequence to enable CLKOUT_DP | |
8066 | * - Sequence to enable CLKOUT_DP without spread | |
8067 | * - Sequence to enable CLKOUT_DP for FDI usage and configure PCH FDI I/O | |
8068 | */ | |
8069 | static void lpt_enable_clkout_dp(struct drm_device *dev, bool with_spread, | |
8070 | bool with_fdi) | |
f31f2d55 PZ |
8071 | { |
8072 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2fa86a1f PZ |
8073 | uint32_t reg, tmp; |
8074 | ||
8075 | if (WARN(with_fdi && !with_spread, "FDI requires downspread\n")) | |
8076 | with_spread = true; | |
8077 | if (WARN(dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE && | |
8078 | with_fdi, "LP PCH doesn't have FDI\n")) | |
8079 | with_fdi = false; | |
f31f2d55 PZ |
8080 | |
8081 | mutex_lock(&dev_priv->dpio_lock); | |
8082 | ||
8083 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
8084 | tmp &= ~SBI_SSCCTL_DISABLE; | |
8085 | tmp |= SBI_SSCCTL_PATHALT; | |
8086 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
8087 | ||
8088 | udelay(24); | |
8089 | ||
2fa86a1f PZ |
8090 | if (with_spread) { |
8091 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
8092 | tmp &= ~SBI_SSCCTL_PATHALT; | |
8093 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
f31f2d55 | 8094 | |
2fa86a1f PZ |
8095 | if (with_fdi) { |
8096 | lpt_reset_fdi_mphy(dev_priv); | |
8097 | lpt_program_fdi_mphy(dev_priv); | |
8098 | } | |
8099 | } | |
dde86e2d | 8100 | |
2fa86a1f PZ |
8101 | reg = (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) ? |
8102 | SBI_GEN0 : SBI_DBUFF0; | |
8103 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); | |
8104 | tmp |= SBI_GEN0_CFG_BUFFENABLE_DISABLE; | |
8105 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); | |
c00db246 DV |
8106 | |
8107 | mutex_unlock(&dev_priv->dpio_lock); | |
dde86e2d PZ |
8108 | } |
8109 | ||
47701c3b PZ |
8110 | /* Sequence to disable CLKOUT_DP */ |
8111 | static void lpt_disable_clkout_dp(struct drm_device *dev) | |
8112 | { | |
8113 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8114 | uint32_t reg, tmp; | |
8115 | ||
8116 | mutex_lock(&dev_priv->dpio_lock); | |
8117 | ||
8118 | reg = (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) ? | |
8119 | SBI_GEN0 : SBI_DBUFF0; | |
8120 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); | |
8121 | tmp &= ~SBI_GEN0_CFG_BUFFENABLE_DISABLE; | |
8122 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); | |
8123 | ||
8124 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
8125 | if (!(tmp & SBI_SSCCTL_DISABLE)) { | |
8126 | if (!(tmp & SBI_SSCCTL_PATHALT)) { | |
8127 | tmp |= SBI_SSCCTL_PATHALT; | |
8128 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
8129 | udelay(32); | |
8130 | } | |
8131 | tmp |= SBI_SSCCTL_DISABLE; | |
8132 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
8133 | } | |
8134 | ||
8135 | mutex_unlock(&dev_priv->dpio_lock); | |
8136 | } | |
8137 | ||
bf8fa3d3 PZ |
8138 | static void lpt_init_pch_refclk(struct drm_device *dev) |
8139 | { | |
bf8fa3d3 PZ |
8140 | struct intel_encoder *encoder; |
8141 | bool has_vga = false; | |
8142 | ||
b2784e15 | 8143 | for_each_intel_encoder(dev, encoder) { |
bf8fa3d3 PZ |
8144 | switch (encoder->type) { |
8145 | case INTEL_OUTPUT_ANALOG: | |
8146 | has_vga = true; | |
8147 | break; | |
6847d71b PZ |
8148 | default: |
8149 | break; | |
bf8fa3d3 PZ |
8150 | } |
8151 | } | |
8152 | ||
47701c3b PZ |
8153 | if (has_vga) |
8154 | lpt_enable_clkout_dp(dev, true, true); | |
8155 | else | |
8156 | lpt_disable_clkout_dp(dev); | |
bf8fa3d3 PZ |
8157 | } |
8158 | ||
dde86e2d PZ |
8159 | /* |
8160 | * Initialize reference clocks when the driver loads | |
8161 | */ | |
8162 | void intel_init_pch_refclk(struct drm_device *dev) | |
8163 | { | |
8164 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
8165 | ironlake_init_pch_refclk(dev); | |
8166 | else if (HAS_PCH_LPT(dev)) | |
8167 | lpt_init_pch_refclk(dev); | |
8168 | } | |
8169 | ||
55bb9992 | 8170 | static int ironlake_get_refclk(struct intel_crtc_state *crtc_state) |
d9d444cb | 8171 | { |
55bb9992 | 8172 | struct drm_device *dev = crtc_state->base.crtc->dev; |
d9d444cb | 8173 | struct drm_i915_private *dev_priv = dev->dev_private; |
55bb9992 | 8174 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 8175 | struct drm_connector *connector; |
55bb9992 | 8176 | struct drm_connector_state *connector_state; |
d9d444cb | 8177 | struct intel_encoder *encoder; |
55bb9992 | 8178 | int num_connectors = 0, i; |
d9d444cb JB |
8179 | bool is_lvds = false; |
8180 | ||
da3ced29 | 8181 | for_each_connector_in_state(state, connector, connector_state, i) { |
55bb9992 ACO |
8182 | if (connector_state->crtc != crtc_state->base.crtc) |
8183 | continue; | |
8184 | ||
8185 | encoder = to_intel_encoder(connector_state->best_encoder); | |
8186 | ||
d9d444cb JB |
8187 | switch (encoder->type) { |
8188 | case INTEL_OUTPUT_LVDS: | |
8189 | is_lvds = true; | |
8190 | break; | |
6847d71b PZ |
8191 | default: |
8192 | break; | |
d9d444cb JB |
8193 | } |
8194 | num_connectors++; | |
8195 | } | |
8196 | ||
8197 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) { | |
e91e941b | 8198 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", |
41aa3448 | 8199 | dev_priv->vbt.lvds_ssc_freq); |
e91e941b | 8200 | return dev_priv->vbt.lvds_ssc_freq; |
d9d444cb JB |
8201 | } |
8202 | ||
8203 | return 120000; | |
8204 | } | |
8205 | ||
6ff93609 | 8206 | static void ironlake_set_pipeconf(struct drm_crtc *crtc) |
79e53945 | 8207 | { |
c8203565 | 8208 | struct drm_i915_private *dev_priv = crtc->dev->dev_private; |
79e53945 JB |
8209 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8210 | int pipe = intel_crtc->pipe; | |
c8203565 PZ |
8211 | uint32_t val; |
8212 | ||
78114071 | 8213 | val = 0; |
c8203565 | 8214 | |
6e3c9717 | 8215 | switch (intel_crtc->config->pipe_bpp) { |
c8203565 | 8216 | case 18: |
dfd07d72 | 8217 | val |= PIPECONF_6BPC; |
c8203565 PZ |
8218 | break; |
8219 | case 24: | |
dfd07d72 | 8220 | val |= PIPECONF_8BPC; |
c8203565 PZ |
8221 | break; |
8222 | case 30: | |
dfd07d72 | 8223 | val |= PIPECONF_10BPC; |
c8203565 PZ |
8224 | break; |
8225 | case 36: | |
dfd07d72 | 8226 | val |= PIPECONF_12BPC; |
c8203565 PZ |
8227 | break; |
8228 | default: | |
cc769b62 PZ |
8229 | /* Case prevented by intel_choose_pipe_bpp_dither. */ |
8230 | BUG(); | |
c8203565 PZ |
8231 | } |
8232 | ||
6e3c9717 | 8233 | if (intel_crtc->config->dither) |
c8203565 PZ |
8234 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
8235 | ||
6e3c9717 | 8236 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
c8203565 PZ |
8237 | val |= PIPECONF_INTERLACED_ILK; |
8238 | else | |
8239 | val |= PIPECONF_PROGRESSIVE; | |
8240 | ||
6e3c9717 | 8241 | if (intel_crtc->config->limited_color_range) |
3685a8f3 | 8242 | val |= PIPECONF_COLOR_RANGE_SELECT; |
3685a8f3 | 8243 | |
c8203565 PZ |
8244 | I915_WRITE(PIPECONF(pipe), val); |
8245 | POSTING_READ(PIPECONF(pipe)); | |
8246 | } | |
8247 | ||
86d3efce VS |
8248 | /* |
8249 | * Set up the pipe CSC unit. | |
8250 | * | |
8251 | * Currently only full range RGB to limited range RGB conversion | |
8252 | * is supported, but eventually this should handle various | |
8253 | * RGB<->YCbCr scenarios as well. | |
8254 | */ | |
50f3b016 | 8255 | static void intel_set_pipe_csc(struct drm_crtc *crtc) |
86d3efce VS |
8256 | { |
8257 | struct drm_device *dev = crtc->dev; | |
8258 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8259 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
8260 | int pipe = intel_crtc->pipe; | |
8261 | uint16_t coeff = 0x7800; /* 1.0 */ | |
8262 | ||
8263 | /* | |
8264 | * TODO: Check what kind of values actually come out of the pipe | |
8265 | * with these coeff/postoff values and adjust to get the best | |
8266 | * accuracy. Perhaps we even need to take the bpc value into | |
8267 | * consideration. | |
8268 | */ | |
8269 | ||
6e3c9717 | 8270 | if (intel_crtc->config->limited_color_range) |
86d3efce VS |
8271 | coeff = ((235 - 16) * (1 << 12) / 255) & 0xff8; /* 0.xxx... */ |
8272 | ||
8273 | /* | |
8274 | * GY/GU and RY/RU should be the other way around according | |
8275 | * to BSpec, but reality doesn't agree. Just set them up in | |
8276 | * a way that results in the correct picture. | |
8277 | */ | |
8278 | I915_WRITE(PIPE_CSC_COEFF_RY_GY(pipe), coeff << 16); | |
8279 | I915_WRITE(PIPE_CSC_COEFF_BY(pipe), 0); | |
8280 | ||
8281 | I915_WRITE(PIPE_CSC_COEFF_RU_GU(pipe), coeff); | |
8282 | I915_WRITE(PIPE_CSC_COEFF_BU(pipe), 0); | |
8283 | ||
8284 | I915_WRITE(PIPE_CSC_COEFF_RV_GV(pipe), 0); | |
8285 | I915_WRITE(PIPE_CSC_COEFF_BV(pipe), coeff << 16); | |
8286 | ||
8287 | I915_WRITE(PIPE_CSC_PREOFF_HI(pipe), 0); | |
8288 | I915_WRITE(PIPE_CSC_PREOFF_ME(pipe), 0); | |
8289 | I915_WRITE(PIPE_CSC_PREOFF_LO(pipe), 0); | |
8290 | ||
8291 | if (INTEL_INFO(dev)->gen > 6) { | |
8292 | uint16_t postoff = 0; | |
8293 | ||
6e3c9717 | 8294 | if (intel_crtc->config->limited_color_range) |
32cf0cb0 | 8295 | postoff = (16 * (1 << 12) / 255) & 0x1fff; |
86d3efce VS |
8296 | |
8297 | I915_WRITE(PIPE_CSC_POSTOFF_HI(pipe), postoff); | |
8298 | I915_WRITE(PIPE_CSC_POSTOFF_ME(pipe), postoff); | |
8299 | I915_WRITE(PIPE_CSC_POSTOFF_LO(pipe), postoff); | |
8300 | ||
8301 | I915_WRITE(PIPE_CSC_MODE(pipe), 0); | |
8302 | } else { | |
8303 | uint32_t mode = CSC_MODE_YUV_TO_RGB; | |
8304 | ||
6e3c9717 | 8305 | if (intel_crtc->config->limited_color_range) |
86d3efce VS |
8306 | mode |= CSC_BLACK_SCREEN_OFFSET; |
8307 | ||
8308 | I915_WRITE(PIPE_CSC_MODE(pipe), mode); | |
8309 | } | |
8310 | } | |
8311 | ||
6ff93609 | 8312 | static void haswell_set_pipeconf(struct drm_crtc *crtc) |
ee2b0b38 | 8313 | { |
756f85cf PZ |
8314 | struct drm_device *dev = crtc->dev; |
8315 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ee2b0b38 | 8316 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
756f85cf | 8317 | enum pipe pipe = intel_crtc->pipe; |
6e3c9717 | 8318 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
ee2b0b38 PZ |
8319 | uint32_t val; |
8320 | ||
3eff4faa | 8321 | val = 0; |
ee2b0b38 | 8322 | |
6e3c9717 | 8323 | if (IS_HASWELL(dev) && intel_crtc->config->dither) |
ee2b0b38 PZ |
8324 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
8325 | ||
6e3c9717 | 8326 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
ee2b0b38 PZ |
8327 | val |= PIPECONF_INTERLACED_ILK; |
8328 | else | |
8329 | val |= PIPECONF_PROGRESSIVE; | |
8330 | ||
702e7a56 PZ |
8331 | I915_WRITE(PIPECONF(cpu_transcoder), val); |
8332 | POSTING_READ(PIPECONF(cpu_transcoder)); | |
3eff4faa DV |
8333 | |
8334 | I915_WRITE(GAMMA_MODE(intel_crtc->pipe), GAMMA_MODE_MODE_8BIT); | |
8335 | POSTING_READ(GAMMA_MODE(intel_crtc->pipe)); | |
756f85cf | 8336 | |
3cdf122c | 8337 | if (IS_BROADWELL(dev) || INTEL_INFO(dev)->gen >= 9) { |
756f85cf PZ |
8338 | val = 0; |
8339 | ||
6e3c9717 | 8340 | switch (intel_crtc->config->pipe_bpp) { |
756f85cf PZ |
8341 | case 18: |
8342 | val |= PIPEMISC_DITHER_6_BPC; | |
8343 | break; | |
8344 | case 24: | |
8345 | val |= PIPEMISC_DITHER_8_BPC; | |
8346 | break; | |
8347 | case 30: | |
8348 | val |= PIPEMISC_DITHER_10_BPC; | |
8349 | break; | |
8350 | case 36: | |
8351 | val |= PIPEMISC_DITHER_12_BPC; | |
8352 | break; | |
8353 | default: | |
8354 | /* Case prevented by pipe_config_set_bpp. */ | |
8355 | BUG(); | |
8356 | } | |
8357 | ||
6e3c9717 | 8358 | if (intel_crtc->config->dither) |
756f85cf PZ |
8359 | val |= PIPEMISC_DITHER_ENABLE | PIPEMISC_DITHER_TYPE_SP; |
8360 | ||
8361 | I915_WRITE(PIPEMISC(pipe), val); | |
8362 | } | |
ee2b0b38 PZ |
8363 | } |
8364 | ||
6591c6e4 | 8365 | static bool ironlake_compute_clocks(struct drm_crtc *crtc, |
190f68c5 | 8366 | struct intel_crtc_state *crtc_state, |
6591c6e4 PZ |
8367 | intel_clock_t *clock, |
8368 | bool *has_reduced_clock, | |
8369 | intel_clock_t *reduced_clock) | |
8370 | { | |
8371 | struct drm_device *dev = crtc->dev; | |
8372 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6591c6e4 | 8373 | int refclk; |
d4906093 | 8374 | const intel_limit_t *limit; |
a16af721 | 8375 | bool ret, is_lvds = false; |
79e53945 | 8376 | |
a93e255f | 8377 | is_lvds = intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS); |
79e53945 | 8378 | |
55bb9992 | 8379 | refclk = ironlake_get_refclk(crtc_state); |
79e53945 | 8380 | |
d4906093 ML |
8381 | /* |
8382 | * Returns a set of divisors for the desired target clock with the given | |
8383 | * refclk, or FALSE. The returned values represent the clock equation: | |
8384 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. | |
8385 | */ | |
a93e255f ACO |
8386 | limit = intel_limit(crtc_state, refclk); |
8387 | ret = dev_priv->display.find_dpll(limit, crtc_state, | |
190f68c5 | 8388 | crtc_state->port_clock, |
ee9300bb | 8389 | refclk, NULL, clock); |
6591c6e4 PZ |
8390 | if (!ret) |
8391 | return false; | |
cda4b7d3 | 8392 | |
ddc9003c | 8393 | if (is_lvds && dev_priv->lvds_downclock_avail) { |
cec2f356 SP |
8394 | /* |
8395 | * Ensure we match the reduced clock's P to the target clock. | |
8396 | * If the clocks don't match, we can't switch the display clock | |
8397 | * by using the FP0/FP1. In such case we will disable the LVDS | |
8398 | * downclock feature. | |
8399 | */ | |
ee9300bb | 8400 | *has_reduced_clock = |
a93e255f | 8401 | dev_priv->display.find_dpll(limit, crtc_state, |
ee9300bb DV |
8402 | dev_priv->lvds_downclock, |
8403 | refclk, clock, | |
8404 | reduced_clock); | |
652c393a | 8405 | } |
61e9653f | 8406 | |
6591c6e4 PZ |
8407 | return true; |
8408 | } | |
8409 | ||
d4b1931c PZ |
8410 | int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp) |
8411 | { | |
8412 | /* | |
8413 | * Account for spread spectrum to avoid | |
8414 | * oversubscribing the link. Max center spread | |
8415 | * is 2.5%; use 5% for safety's sake. | |
8416 | */ | |
8417 | u32 bps = target_clock * bpp * 21 / 20; | |
619d4d04 | 8418 | return DIV_ROUND_UP(bps, link_bw * 8); |
d4b1931c PZ |
8419 | } |
8420 | ||
7429e9d4 | 8421 | static bool ironlake_needs_fb_cb_tune(struct dpll *dpll, int factor) |
6cf86a5e | 8422 | { |
7429e9d4 | 8423 | return i9xx_dpll_compute_m(dpll) < factor * dpll->n; |
f48d8f23 PZ |
8424 | } |
8425 | ||
de13a2e3 | 8426 | static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, |
190f68c5 | 8427 | struct intel_crtc_state *crtc_state, |
7429e9d4 | 8428 | u32 *fp, |
9a7c7890 | 8429 | intel_clock_t *reduced_clock, u32 *fp2) |
79e53945 | 8430 | { |
de13a2e3 | 8431 | struct drm_crtc *crtc = &intel_crtc->base; |
79e53945 JB |
8432 | struct drm_device *dev = crtc->dev; |
8433 | struct drm_i915_private *dev_priv = dev->dev_private; | |
55bb9992 | 8434 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 8435 | struct drm_connector *connector; |
55bb9992 ACO |
8436 | struct drm_connector_state *connector_state; |
8437 | struct intel_encoder *encoder; | |
de13a2e3 | 8438 | uint32_t dpll; |
55bb9992 | 8439 | int factor, num_connectors = 0, i; |
09ede541 | 8440 | bool is_lvds = false, is_sdvo = false; |
79e53945 | 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 | ||
8448 | switch (encoder->type) { | |
79e53945 JB |
8449 | case INTEL_OUTPUT_LVDS: |
8450 | is_lvds = true; | |
8451 | break; | |
8452 | case INTEL_OUTPUT_SDVO: | |
7d57382e | 8453 | case INTEL_OUTPUT_HDMI: |
79e53945 | 8454 | is_sdvo = true; |
79e53945 | 8455 | break; |
6847d71b PZ |
8456 | default: |
8457 | break; | |
79e53945 | 8458 | } |
43565a06 | 8459 | |
c751ce4f | 8460 | num_connectors++; |
79e53945 | 8461 | } |
79e53945 | 8462 | |
c1858123 | 8463 | /* Enable autotuning of the PLL clock (if permissible) */ |
8febb297 EA |
8464 | factor = 21; |
8465 | if (is_lvds) { | |
8466 | if ((intel_panel_use_ssc(dev_priv) && | |
e91e941b | 8467 | dev_priv->vbt.lvds_ssc_freq == 100000) || |
f0b44056 | 8468 | (HAS_PCH_IBX(dev) && intel_is_dual_link_lvds(dev))) |
8febb297 | 8469 | factor = 25; |
190f68c5 | 8470 | } else if (crtc_state->sdvo_tv_clock) |
8febb297 | 8471 | factor = 20; |
c1858123 | 8472 | |
190f68c5 | 8473 | if (ironlake_needs_fb_cb_tune(&crtc_state->dpll, factor)) |
7d0ac5b7 | 8474 | *fp |= FP_CB_TUNE; |
2c07245f | 8475 | |
9a7c7890 DV |
8476 | if (fp2 && (reduced_clock->m < factor * reduced_clock->n)) |
8477 | *fp2 |= FP_CB_TUNE; | |
8478 | ||
5eddb70b | 8479 | dpll = 0; |
2c07245f | 8480 | |
a07d6787 EA |
8481 | if (is_lvds) |
8482 | dpll |= DPLLB_MODE_LVDS; | |
8483 | else | |
8484 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
198a037f | 8485 | |
190f68c5 | 8486 | dpll |= (crtc_state->pixel_multiplier - 1) |
ef1b460d | 8487 | << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT; |
198a037f DV |
8488 | |
8489 | if (is_sdvo) | |
4a33e48d | 8490 | dpll |= DPLL_SDVO_HIGH_SPEED; |
190f68c5 | 8491 | if (crtc_state->has_dp_encoder) |
4a33e48d | 8492 | dpll |= DPLL_SDVO_HIGH_SPEED; |
79e53945 | 8493 | |
a07d6787 | 8494 | /* compute bitmask from p1 value */ |
190f68c5 | 8495 | dpll |= (1 << (crtc_state->dpll.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
a07d6787 | 8496 | /* also FPA1 */ |
190f68c5 | 8497 | dpll |= (1 << (crtc_state->dpll.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; |
a07d6787 | 8498 | |
190f68c5 | 8499 | switch (crtc_state->dpll.p2) { |
a07d6787 EA |
8500 | case 5: |
8501 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
8502 | break; | |
8503 | case 7: | |
8504 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
8505 | break; | |
8506 | case 10: | |
8507 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
8508 | break; | |
8509 | case 14: | |
8510 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
8511 | break; | |
79e53945 JB |
8512 | } |
8513 | ||
b4c09f3b | 8514 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
43565a06 | 8515 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
79e53945 JB |
8516 | else |
8517 | dpll |= PLL_REF_INPUT_DREFCLK; | |
8518 | ||
959e16d6 | 8519 | return dpll | DPLL_VCO_ENABLE; |
de13a2e3 PZ |
8520 | } |
8521 | ||
190f68c5 ACO |
8522 | static int ironlake_crtc_compute_clock(struct intel_crtc *crtc, |
8523 | struct intel_crtc_state *crtc_state) | |
de13a2e3 | 8524 | { |
c7653199 | 8525 | struct drm_device *dev = crtc->base.dev; |
de13a2e3 | 8526 | intel_clock_t clock, reduced_clock; |
cbbab5bd | 8527 | u32 dpll = 0, fp = 0, fp2 = 0; |
e2f12b07 | 8528 | bool ok, has_reduced_clock = false; |
8b47047b | 8529 | bool is_lvds = false; |
e2b78267 | 8530 | struct intel_shared_dpll *pll; |
de13a2e3 | 8531 | |
409ee761 | 8532 | is_lvds = intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS); |
79e53945 | 8533 | |
5dc5298b PZ |
8534 | WARN(!(HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)), |
8535 | "Unexpected PCH type %d\n", INTEL_PCH_TYPE(dev)); | |
a07d6787 | 8536 | |
190f68c5 | 8537 | ok = ironlake_compute_clocks(&crtc->base, crtc_state, &clock, |
de13a2e3 | 8538 | &has_reduced_clock, &reduced_clock); |
190f68c5 | 8539 | if (!ok && !crtc_state->clock_set) { |
de13a2e3 PZ |
8540 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
8541 | return -EINVAL; | |
79e53945 | 8542 | } |
f47709a9 | 8543 | /* Compat-code for transition, will disappear. */ |
190f68c5 ACO |
8544 | if (!crtc_state->clock_set) { |
8545 | crtc_state->dpll.n = clock.n; | |
8546 | crtc_state->dpll.m1 = clock.m1; | |
8547 | crtc_state->dpll.m2 = clock.m2; | |
8548 | crtc_state->dpll.p1 = clock.p1; | |
8549 | crtc_state->dpll.p2 = clock.p2; | |
f47709a9 | 8550 | } |
79e53945 | 8551 | |
5dc5298b | 8552 | /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */ |
190f68c5 ACO |
8553 | if (crtc_state->has_pch_encoder) { |
8554 | fp = i9xx_dpll_compute_fp(&crtc_state->dpll); | |
cbbab5bd | 8555 | if (has_reduced_clock) |
7429e9d4 | 8556 | fp2 = i9xx_dpll_compute_fp(&reduced_clock); |
cbbab5bd | 8557 | |
190f68c5 | 8558 | dpll = ironlake_compute_dpll(crtc, crtc_state, |
cbbab5bd DV |
8559 | &fp, &reduced_clock, |
8560 | has_reduced_clock ? &fp2 : NULL); | |
8561 | ||
190f68c5 ACO |
8562 | crtc_state->dpll_hw_state.dpll = dpll; |
8563 | crtc_state->dpll_hw_state.fp0 = fp; | |
66e985c0 | 8564 | if (has_reduced_clock) |
190f68c5 | 8565 | crtc_state->dpll_hw_state.fp1 = fp2; |
66e985c0 | 8566 | else |
190f68c5 | 8567 | crtc_state->dpll_hw_state.fp1 = fp; |
66e985c0 | 8568 | |
190f68c5 | 8569 | pll = intel_get_shared_dpll(crtc, crtc_state); |
ee7b9f93 | 8570 | if (pll == NULL) { |
84f44ce7 | 8571 | DRM_DEBUG_DRIVER("failed to find PLL for pipe %c\n", |
c7653199 | 8572 | pipe_name(crtc->pipe)); |
4b645f14 JB |
8573 | return -EINVAL; |
8574 | } | |
3fb37703 | 8575 | } |
79e53945 | 8576 | |
ab585dea | 8577 | if (is_lvds && has_reduced_clock) |
c7653199 | 8578 | crtc->lowfreq_avail = true; |
bcd644e0 | 8579 | else |
c7653199 | 8580 | crtc->lowfreq_avail = false; |
e2b78267 | 8581 | |
c8f7a0db | 8582 | return 0; |
79e53945 JB |
8583 | } |
8584 | ||
eb14cb74 VS |
8585 | static void intel_pch_transcoder_get_m_n(struct intel_crtc *crtc, |
8586 | struct intel_link_m_n *m_n) | |
8587 | { | |
8588 | struct drm_device *dev = crtc->base.dev; | |
8589 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8590 | enum pipe pipe = crtc->pipe; | |
8591 | ||
8592 | m_n->link_m = I915_READ(PCH_TRANS_LINK_M1(pipe)); | |
8593 | m_n->link_n = I915_READ(PCH_TRANS_LINK_N1(pipe)); | |
8594 | m_n->gmch_m = I915_READ(PCH_TRANS_DATA_M1(pipe)) | |
8595 | & ~TU_SIZE_MASK; | |
8596 | m_n->gmch_n = I915_READ(PCH_TRANS_DATA_N1(pipe)); | |
8597 | m_n->tu = ((I915_READ(PCH_TRANS_DATA_M1(pipe)) | |
8598 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
8599 | } | |
8600 | ||
8601 | static void intel_cpu_transcoder_get_m_n(struct intel_crtc *crtc, | |
8602 | enum transcoder transcoder, | |
b95af8be VK |
8603 | struct intel_link_m_n *m_n, |
8604 | struct intel_link_m_n *m2_n2) | |
72419203 DV |
8605 | { |
8606 | struct drm_device *dev = crtc->base.dev; | |
8607 | struct drm_i915_private *dev_priv = dev->dev_private; | |
eb14cb74 | 8608 | enum pipe pipe = crtc->pipe; |
72419203 | 8609 | |
eb14cb74 VS |
8610 | if (INTEL_INFO(dev)->gen >= 5) { |
8611 | m_n->link_m = I915_READ(PIPE_LINK_M1(transcoder)); | |
8612 | m_n->link_n = I915_READ(PIPE_LINK_N1(transcoder)); | |
8613 | m_n->gmch_m = I915_READ(PIPE_DATA_M1(transcoder)) | |
8614 | & ~TU_SIZE_MASK; | |
8615 | m_n->gmch_n = I915_READ(PIPE_DATA_N1(transcoder)); | |
8616 | m_n->tu = ((I915_READ(PIPE_DATA_M1(transcoder)) | |
8617 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
b95af8be VK |
8618 | /* Read M2_N2 registers only for gen < 8 (M2_N2 available for |
8619 | * gen < 8) and if DRRS is supported (to make sure the | |
8620 | * registers are not unnecessarily read). | |
8621 | */ | |
8622 | if (m2_n2 && INTEL_INFO(dev)->gen < 8 && | |
6e3c9717 | 8623 | crtc->config->has_drrs) { |
b95af8be VK |
8624 | m2_n2->link_m = I915_READ(PIPE_LINK_M2(transcoder)); |
8625 | m2_n2->link_n = I915_READ(PIPE_LINK_N2(transcoder)); | |
8626 | m2_n2->gmch_m = I915_READ(PIPE_DATA_M2(transcoder)) | |
8627 | & ~TU_SIZE_MASK; | |
8628 | m2_n2->gmch_n = I915_READ(PIPE_DATA_N2(transcoder)); | |
8629 | m2_n2->tu = ((I915_READ(PIPE_DATA_M2(transcoder)) | |
8630 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
8631 | } | |
eb14cb74 VS |
8632 | } else { |
8633 | m_n->link_m = I915_READ(PIPE_LINK_M_G4X(pipe)); | |
8634 | m_n->link_n = I915_READ(PIPE_LINK_N_G4X(pipe)); | |
8635 | m_n->gmch_m = I915_READ(PIPE_DATA_M_G4X(pipe)) | |
8636 | & ~TU_SIZE_MASK; | |
8637 | m_n->gmch_n = I915_READ(PIPE_DATA_N_G4X(pipe)); | |
8638 | m_n->tu = ((I915_READ(PIPE_DATA_M_G4X(pipe)) | |
8639 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
8640 | } | |
8641 | } | |
8642 | ||
8643 | void intel_dp_get_m_n(struct intel_crtc *crtc, | |
5cec258b | 8644 | struct intel_crtc_state *pipe_config) |
eb14cb74 | 8645 | { |
681a8504 | 8646 | if (pipe_config->has_pch_encoder) |
eb14cb74 VS |
8647 | intel_pch_transcoder_get_m_n(crtc, &pipe_config->dp_m_n); |
8648 | else | |
8649 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, | |
b95af8be VK |
8650 | &pipe_config->dp_m_n, |
8651 | &pipe_config->dp_m2_n2); | |
eb14cb74 | 8652 | } |
72419203 | 8653 | |
eb14cb74 | 8654 | static void ironlake_get_fdi_m_n_config(struct intel_crtc *crtc, |
5cec258b | 8655 | struct intel_crtc_state *pipe_config) |
eb14cb74 VS |
8656 | { |
8657 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, | |
b95af8be | 8658 | &pipe_config->fdi_m_n, NULL); |
72419203 DV |
8659 | } |
8660 | ||
bd2e244f | 8661 | static void skylake_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 8662 | struct intel_crtc_state *pipe_config) |
bd2e244f JB |
8663 | { |
8664 | struct drm_device *dev = crtc->base.dev; | |
8665 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a1b2278e CK |
8666 | struct intel_crtc_scaler_state *scaler_state = &pipe_config->scaler_state; |
8667 | uint32_t ps_ctrl = 0; | |
8668 | int id = -1; | |
8669 | int i; | |
bd2e244f | 8670 | |
a1b2278e CK |
8671 | /* find scaler attached to this pipe */ |
8672 | for (i = 0; i < crtc->num_scalers; i++) { | |
8673 | ps_ctrl = I915_READ(SKL_PS_CTRL(crtc->pipe, i)); | |
8674 | if (ps_ctrl & PS_SCALER_EN && !(ps_ctrl & PS_PLANE_SEL_MASK)) { | |
8675 | id = i; | |
8676 | pipe_config->pch_pfit.enabled = true; | |
8677 | pipe_config->pch_pfit.pos = I915_READ(SKL_PS_WIN_POS(crtc->pipe, i)); | |
8678 | pipe_config->pch_pfit.size = I915_READ(SKL_PS_WIN_SZ(crtc->pipe, i)); | |
8679 | break; | |
8680 | } | |
8681 | } | |
bd2e244f | 8682 | |
a1b2278e CK |
8683 | scaler_state->scaler_id = id; |
8684 | if (id >= 0) { | |
8685 | scaler_state->scaler_users |= (1 << SKL_CRTC_INDEX); | |
8686 | } else { | |
8687 | scaler_state->scaler_users &= ~(1 << SKL_CRTC_INDEX); | |
bd2e244f JB |
8688 | } |
8689 | } | |
8690 | ||
5724dbd1 DL |
8691 | static void |
8692 | skylake_get_initial_plane_config(struct intel_crtc *crtc, | |
8693 | struct intel_initial_plane_config *plane_config) | |
bc8d7dff DL |
8694 | { |
8695 | struct drm_device *dev = crtc->base.dev; | |
8696 | struct drm_i915_private *dev_priv = dev->dev_private; | |
40f46283 | 8697 | u32 val, base, offset, stride_mult, tiling; |
bc8d7dff DL |
8698 | int pipe = crtc->pipe; |
8699 | int fourcc, pixel_format; | |
6761dd31 | 8700 | unsigned int aligned_height; |
bc8d7dff | 8701 | struct drm_framebuffer *fb; |
1b842c89 | 8702 | struct intel_framebuffer *intel_fb; |
bc8d7dff | 8703 | |
d9806c9f | 8704 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 8705 | if (!intel_fb) { |
bc8d7dff DL |
8706 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
8707 | return; | |
8708 | } | |
8709 | ||
1b842c89 DL |
8710 | fb = &intel_fb->base; |
8711 | ||
bc8d7dff | 8712 | val = I915_READ(PLANE_CTL(pipe, 0)); |
42a7b088 DL |
8713 | if (!(val & PLANE_CTL_ENABLE)) |
8714 | goto error; | |
8715 | ||
bc8d7dff DL |
8716 | pixel_format = val & PLANE_CTL_FORMAT_MASK; |
8717 | fourcc = skl_format_to_fourcc(pixel_format, | |
8718 | val & PLANE_CTL_ORDER_RGBX, | |
8719 | val & PLANE_CTL_ALPHA_MASK); | |
8720 | fb->pixel_format = fourcc; | |
8721 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
8722 | ||
40f46283 DL |
8723 | tiling = val & PLANE_CTL_TILED_MASK; |
8724 | switch (tiling) { | |
8725 | case PLANE_CTL_TILED_LINEAR: | |
8726 | fb->modifier[0] = DRM_FORMAT_MOD_NONE; | |
8727 | break; | |
8728 | case PLANE_CTL_TILED_X: | |
8729 | plane_config->tiling = I915_TILING_X; | |
8730 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; | |
8731 | break; | |
8732 | case PLANE_CTL_TILED_Y: | |
8733 | fb->modifier[0] = I915_FORMAT_MOD_Y_TILED; | |
8734 | break; | |
8735 | case PLANE_CTL_TILED_YF: | |
8736 | fb->modifier[0] = I915_FORMAT_MOD_Yf_TILED; | |
8737 | break; | |
8738 | default: | |
8739 | MISSING_CASE(tiling); | |
8740 | goto error; | |
8741 | } | |
8742 | ||
bc8d7dff DL |
8743 | base = I915_READ(PLANE_SURF(pipe, 0)) & 0xfffff000; |
8744 | plane_config->base = base; | |
8745 | ||
8746 | offset = I915_READ(PLANE_OFFSET(pipe, 0)); | |
8747 | ||
8748 | val = I915_READ(PLANE_SIZE(pipe, 0)); | |
8749 | fb->height = ((val >> 16) & 0xfff) + 1; | |
8750 | fb->width = ((val >> 0) & 0x1fff) + 1; | |
8751 | ||
8752 | val = I915_READ(PLANE_STRIDE(pipe, 0)); | |
40f46283 DL |
8753 | stride_mult = intel_fb_stride_alignment(dev, fb->modifier[0], |
8754 | fb->pixel_format); | |
bc8d7dff DL |
8755 | fb->pitches[0] = (val & 0x3ff) * stride_mult; |
8756 | ||
8757 | aligned_height = intel_fb_align_height(dev, fb->height, | |
091df6cb DV |
8758 | fb->pixel_format, |
8759 | fb->modifier[0]); | |
bc8d7dff | 8760 | |
f37b5c2b | 8761 | plane_config->size = fb->pitches[0] * aligned_height; |
bc8d7dff DL |
8762 | |
8763 | DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", | |
8764 | pipe_name(pipe), fb->width, fb->height, | |
8765 | fb->bits_per_pixel, base, fb->pitches[0], | |
8766 | plane_config->size); | |
8767 | ||
2d14030b | 8768 | plane_config->fb = intel_fb; |
bc8d7dff DL |
8769 | return; |
8770 | ||
8771 | error: | |
8772 | kfree(fb); | |
8773 | } | |
8774 | ||
2fa2fe9a | 8775 | static void ironlake_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 8776 | struct intel_crtc_state *pipe_config) |
2fa2fe9a DV |
8777 | { |
8778 | struct drm_device *dev = crtc->base.dev; | |
8779 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8780 | uint32_t tmp; | |
8781 | ||
8782 | tmp = I915_READ(PF_CTL(crtc->pipe)); | |
8783 | ||
8784 | if (tmp & PF_ENABLE) { | |
fd4daa9c | 8785 | pipe_config->pch_pfit.enabled = true; |
2fa2fe9a DV |
8786 | pipe_config->pch_pfit.pos = I915_READ(PF_WIN_POS(crtc->pipe)); |
8787 | pipe_config->pch_pfit.size = I915_READ(PF_WIN_SZ(crtc->pipe)); | |
cb8b2a30 DV |
8788 | |
8789 | /* We currently do not free assignements of panel fitters on | |
8790 | * ivb/hsw (since we don't use the higher upscaling modes which | |
8791 | * differentiates them) so just WARN about this case for now. */ | |
8792 | if (IS_GEN7(dev)) { | |
8793 | WARN_ON((tmp & PF_PIPE_SEL_MASK_IVB) != | |
8794 | PF_PIPE_SEL_IVB(crtc->pipe)); | |
8795 | } | |
2fa2fe9a | 8796 | } |
79e53945 JB |
8797 | } |
8798 | ||
5724dbd1 DL |
8799 | static void |
8800 | ironlake_get_initial_plane_config(struct intel_crtc *crtc, | |
8801 | struct intel_initial_plane_config *plane_config) | |
4c6baa59 JB |
8802 | { |
8803 | struct drm_device *dev = crtc->base.dev; | |
8804 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8805 | u32 val, base, offset; | |
aeee5a49 | 8806 | int pipe = crtc->pipe; |
4c6baa59 | 8807 | int fourcc, pixel_format; |
6761dd31 | 8808 | unsigned int aligned_height; |
b113d5ee | 8809 | struct drm_framebuffer *fb; |
1b842c89 | 8810 | struct intel_framebuffer *intel_fb; |
4c6baa59 | 8811 | |
42a7b088 DL |
8812 | val = I915_READ(DSPCNTR(pipe)); |
8813 | if (!(val & DISPLAY_PLANE_ENABLE)) | |
8814 | return; | |
8815 | ||
d9806c9f | 8816 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 8817 | if (!intel_fb) { |
4c6baa59 JB |
8818 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
8819 | return; | |
8820 | } | |
8821 | ||
1b842c89 DL |
8822 | fb = &intel_fb->base; |
8823 | ||
18c5247e DV |
8824 | if (INTEL_INFO(dev)->gen >= 4) { |
8825 | if (val & DISPPLANE_TILED) { | |
49af449b | 8826 | plane_config->tiling = I915_TILING_X; |
18c5247e DV |
8827 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; |
8828 | } | |
8829 | } | |
4c6baa59 JB |
8830 | |
8831 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; | |
b35d63fa | 8832 | fourcc = i9xx_format_to_fourcc(pixel_format); |
b113d5ee DL |
8833 | fb->pixel_format = fourcc; |
8834 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
4c6baa59 | 8835 | |
aeee5a49 | 8836 | base = I915_READ(DSPSURF(pipe)) & 0xfffff000; |
4c6baa59 | 8837 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
aeee5a49 | 8838 | offset = I915_READ(DSPOFFSET(pipe)); |
4c6baa59 | 8839 | } else { |
49af449b | 8840 | if (plane_config->tiling) |
aeee5a49 | 8841 | offset = I915_READ(DSPTILEOFF(pipe)); |
4c6baa59 | 8842 | else |
aeee5a49 | 8843 | offset = I915_READ(DSPLINOFF(pipe)); |
4c6baa59 JB |
8844 | } |
8845 | plane_config->base = base; | |
8846 | ||
8847 | val = I915_READ(PIPESRC(pipe)); | |
b113d5ee DL |
8848 | fb->width = ((val >> 16) & 0xfff) + 1; |
8849 | fb->height = ((val >> 0) & 0xfff) + 1; | |
4c6baa59 JB |
8850 | |
8851 | val = I915_READ(DSPSTRIDE(pipe)); | |
b113d5ee | 8852 | fb->pitches[0] = val & 0xffffffc0; |
4c6baa59 | 8853 | |
b113d5ee | 8854 | aligned_height = intel_fb_align_height(dev, fb->height, |
091df6cb DV |
8855 | fb->pixel_format, |
8856 | fb->modifier[0]); | |
4c6baa59 | 8857 | |
f37b5c2b | 8858 | plane_config->size = fb->pitches[0] * aligned_height; |
4c6baa59 | 8859 | |
2844a921 DL |
8860 | DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
8861 | pipe_name(pipe), fb->width, fb->height, | |
8862 | fb->bits_per_pixel, base, fb->pitches[0], | |
8863 | plane_config->size); | |
b113d5ee | 8864 | |
2d14030b | 8865 | plane_config->fb = intel_fb; |
4c6baa59 JB |
8866 | } |
8867 | ||
0e8ffe1b | 8868 | static bool ironlake_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 8869 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
8870 | { |
8871 | struct drm_device *dev = crtc->base.dev; | |
8872 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8873 | uint32_t tmp; | |
8874 | ||
f458ebbc DV |
8875 | if (!intel_display_power_is_enabled(dev_priv, |
8876 | POWER_DOMAIN_PIPE(crtc->pipe))) | |
930e8c9e PZ |
8877 | return false; |
8878 | ||
e143a21c | 8879 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
c0d43d62 | 8880 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
eccb140b | 8881 | |
0e8ffe1b DV |
8882 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
8883 | if (!(tmp & PIPECONF_ENABLE)) | |
8884 | return false; | |
8885 | ||
42571aef VS |
8886 | switch (tmp & PIPECONF_BPC_MASK) { |
8887 | case PIPECONF_6BPC: | |
8888 | pipe_config->pipe_bpp = 18; | |
8889 | break; | |
8890 | case PIPECONF_8BPC: | |
8891 | pipe_config->pipe_bpp = 24; | |
8892 | break; | |
8893 | case PIPECONF_10BPC: | |
8894 | pipe_config->pipe_bpp = 30; | |
8895 | break; | |
8896 | case PIPECONF_12BPC: | |
8897 | pipe_config->pipe_bpp = 36; | |
8898 | break; | |
8899 | default: | |
8900 | break; | |
8901 | } | |
8902 | ||
b5a9fa09 DV |
8903 | if (tmp & PIPECONF_COLOR_RANGE_SELECT) |
8904 | pipe_config->limited_color_range = true; | |
8905 | ||
ab9412ba | 8906 | if (I915_READ(PCH_TRANSCONF(crtc->pipe)) & TRANS_ENABLE) { |
66e985c0 DV |
8907 | struct intel_shared_dpll *pll; |
8908 | ||
88adfff1 DV |
8909 | pipe_config->has_pch_encoder = true; |
8910 | ||
627eb5a3 DV |
8911 | tmp = I915_READ(FDI_RX_CTL(crtc->pipe)); |
8912 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
8913 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
72419203 DV |
8914 | |
8915 | ironlake_get_fdi_m_n_config(crtc, pipe_config); | |
6c49f241 | 8916 | |
c0d43d62 | 8917 | if (HAS_PCH_IBX(dev_priv->dev)) { |
d94ab068 DV |
8918 | pipe_config->shared_dpll = |
8919 | (enum intel_dpll_id) crtc->pipe; | |
c0d43d62 DV |
8920 | } else { |
8921 | tmp = I915_READ(PCH_DPLL_SEL); | |
8922 | if (tmp & TRANS_DPLLB_SEL(crtc->pipe)) | |
8923 | pipe_config->shared_dpll = DPLL_ID_PCH_PLL_B; | |
8924 | else | |
8925 | pipe_config->shared_dpll = DPLL_ID_PCH_PLL_A; | |
8926 | } | |
66e985c0 DV |
8927 | |
8928 | pll = &dev_priv->shared_dplls[pipe_config->shared_dpll]; | |
8929 | ||
8930 | WARN_ON(!pll->get_hw_state(dev_priv, pll, | |
8931 | &pipe_config->dpll_hw_state)); | |
c93f54cf DV |
8932 | |
8933 | tmp = pipe_config->dpll_hw_state.dpll; | |
8934 | pipe_config->pixel_multiplier = | |
8935 | ((tmp & PLL_REF_SDVO_HDMI_MULTIPLIER_MASK) | |
8936 | >> PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT) + 1; | |
18442d08 VS |
8937 | |
8938 | ironlake_pch_clock_get(crtc, pipe_config); | |
6c49f241 DV |
8939 | } else { |
8940 | pipe_config->pixel_multiplier = 1; | |
627eb5a3 DV |
8941 | } |
8942 | ||
1bd1bd80 DV |
8943 | intel_get_pipe_timings(crtc, pipe_config); |
8944 | ||
2fa2fe9a DV |
8945 | ironlake_get_pfit_config(crtc, pipe_config); |
8946 | ||
0e8ffe1b DV |
8947 | return true; |
8948 | } | |
8949 | ||
be256dc7 PZ |
8950 | static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv) |
8951 | { | |
8952 | struct drm_device *dev = dev_priv->dev; | |
be256dc7 | 8953 | struct intel_crtc *crtc; |
be256dc7 | 8954 | |
d3fcc808 | 8955 | for_each_intel_crtc(dev, crtc) |
e2c719b7 | 8956 | I915_STATE_WARN(crtc->active, "CRTC for pipe %c enabled\n", |
be256dc7 PZ |
8957 | pipe_name(crtc->pipe)); |
8958 | ||
e2c719b7 RC |
8959 | I915_STATE_WARN(I915_READ(HSW_PWR_WELL_DRIVER), "Power well on\n"); |
8960 | I915_STATE_WARN(I915_READ(SPLL_CTL) & SPLL_PLL_ENABLE, "SPLL enabled\n"); | |
8961 | I915_STATE_WARN(I915_READ(WRPLL_CTL1) & WRPLL_PLL_ENABLE, "WRPLL1 enabled\n"); | |
8962 | I915_STATE_WARN(I915_READ(WRPLL_CTL2) & WRPLL_PLL_ENABLE, "WRPLL2 enabled\n"); | |
8963 | I915_STATE_WARN(I915_READ(PCH_PP_STATUS) & PP_ON, "Panel power on\n"); | |
8964 | I915_STATE_WARN(I915_READ(BLC_PWM_CPU_CTL2) & BLM_PWM_ENABLE, | |
be256dc7 | 8965 | "CPU PWM1 enabled\n"); |
c5107b87 | 8966 | if (IS_HASWELL(dev)) |
e2c719b7 | 8967 | I915_STATE_WARN(I915_READ(HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE, |
c5107b87 | 8968 | "CPU PWM2 enabled\n"); |
e2c719b7 | 8969 | I915_STATE_WARN(I915_READ(BLC_PWM_PCH_CTL1) & BLM_PCH_PWM_ENABLE, |
be256dc7 | 8970 | "PCH PWM1 enabled\n"); |
e2c719b7 | 8971 | I915_STATE_WARN(I915_READ(UTIL_PIN_CTL) & UTIL_PIN_ENABLE, |
be256dc7 | 8972 | "Utility pin enabled\n"); |
e2c719b7 | 8973 | I915_STATE_WARN(I915_READ(PCH_GTC_CTL) & PCH_GTC_ENABLE, "PCH GTC enabled\n"); |
be256dc7 | 8974 | |
9926ada1 PZ |
8975 | /* |
8976 | * In theory we can still leave IRQs enabled, as long as only the HPD | |
8977 | * interrupts remain enabled. We used to check for that, but since it's | |
8978 | * gen-specific and since we only disable LCPLL after we fully disable | |
8979 | * the interrupts, the check below should be enough. | |
8980 | */ | |
e2c719b7 | 8981 | I915_STATE_WARN(intel_irqs_enabled(dev_priv), "IRQs enabled\n"); |
be256dc7 PZ |
8982 | } |
8983 | ||
9ccd5aeb PZ |
8984 | static uint32_t hsw_read_dcomp(struct drm_i915_private *dev_priv) |
8985 | { | |
8986 | struct drm_device *dev = dev_priv->dev; | |
8987 | ||
8988 | if (IS_HASWELL(dev)) | |
8989 | return I915_READ(D_COMP_HSW); | |
8990 | else | |
8991 | return I915_READ(D_COMP_BDW); | |
8992 | } | |
8993 | ||
3c4c9b81 PZ |
8994 | static void hsw_write_dcomp(struct drm_i915_private *dev_priv, uint32_t val) |
8995 | { | |
8996 | struct drm_device *dev = dev_priv->dev; | |
8997 | ||
8998 | if (IS_HASWELL(dev)) { | |
8999 | mutex_lock(&dev_priv->rps.hw_lock); | |
9000 | if (sandybridge_pcode_write(dev_priv, GEN6_PCODE_WRITE_D_COMP, | |
9001 | val)) | |
f475dadf | 9002 | DRM_ERROR("Failed to write to D_COMP\n"); |
3c4c9b81 PZ |
9003 | mutex_unlock(&dev_priv->rps.hw_lock); |
9004 | } else { | |
9ccd5aeb PZ |
9005 | I915_WRITE(D_COMP_BDW, val); |
9006 | POSTING_READ(D_COMP_BDW); | |
3c4c9b81 | 9007 | } |
be256dc7 PZ |
9008 | } |
9009 | ||
9010 | /* | |
9011 | * This function implements pieces of two sequences from BSpec: | |
9012 | * - Sequence for display software to disable LCPLL | |
9013 | * - Sequence for display software to allow package C8+ | |
9014 | * The steps implemented here are just the steps that actually touch the LCPLL | |
9015 | * register. Callers should take care of disabling all the display engine | |
9016 | * functions, doing the mode unset, fixing interrupts, etc. | |
9017 | */ | |
6ff58d53 PZ |
9018 | static void hsw_disable_lcpll(struct drm_i915_private *dev_priv, |
9019 | bool switch_to_fclk, bool allow_power_down) | |
be256dc7 PZ |
9020 | { |
9021 | uint32_t val; | |
9022 | ||
9023 | assert_can_disable_lcpll(dev_priv); | |
9024 | ||
9025 | val = I915_READ(LCPLL_CTL); | |
9026 | ||
9027 | if (switch_to_fclk) { | |
9028 | val |= LCPLL_CD_SOURCE_FCLK; | |
9029 | I915_WRITE(LCPLL_CTL, val); | |
9030 | ||
9031 | if (wait_for_atomic_us(I915_READ(LCPLL_CTL) & | |
9032 | LCPLL_CD_SOURCE_FCLK_DONE, 1)) | |
9033 | DRM_ERROR("Switching to FCLK failed\n"); | |
9034 | ||
9035 | val = I915_READ(LCPLL_CTL); | |
9036 | } | |
9037 | ||
9038 | val |= LCPLL_PLL_DISABLE; | |
9039 | I915_WRITE(LCPLL_CTL, val); | |
9040 | POSTING_READ(LCPLL_CTL); | |
9041 | ||
9042 | if (wait_for((I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK) == 0, 1)) | |
9043 | DRM_ERROR("LCPLL still locked\n"); | |
9044 | ||
9ccd5aeb | 9045 | val = hsw_read_dcomp(dev_priv); |
be256dc7 | 9046 | val |= D_COMP_COMP_DISABLE; |
3c4c9b81 | 9047 | hsw_write_dcomp(dev_priv, val); |
be256dc7 PZ |
9048 | ndelay(100); |
9049 | ||
9ccd5aeb PZ |
9050 | if (wait_for((hsw_read_dcomp(dev_priv) & D_COMP_RCOMP_IN_PROGRESS) == 0, |
9051 | 1)) | |
be256dc7 PZ |
9052 | DRM_ERROR("D_COMP RCOMP still in progress\n"); |
9053 | ||
9054 | if (allow_power_down) { | |
9055 | val = I915_READ(LCPLL_CTL); | |
9056 | val |= LCPLL_POWER_DOWN_ALLOW; | |
9057 | I915_WRITE(LCPLL_CTL, val); | |
9058 | POSTING_READ(LCPLL_CTL); | |
9059 | } | |
9060 | } | |
9061 | ||
9062 | /* | |
9063 | * Fully restores LCPLL, disallowing power down and switching back to LCPLL | |
9064 | * source. | |
9065 | */ | |
6ff58d53 | 9066 | static void hsw_restore_lcpll(struct drm_i915_private *dev_priv) |
be256dc7 PZ |
9067 | { |
9068 | uint32_t val; | |
9069 | ||
9070 | val = I915_READ(LCPLL_CTL); | |
9071 | ||
9072 | if ((val & (LCPLL_PLL_LOCK | LCPLL_PLL_DISABLE | LCPLL_CD_SOURCE_FCLK | | |
9073 | LCPLL_POWER_DOWN_ALLOW)) == LCPLL_PLL_LOCK) | |
9074 | return; | |
9075 | ||
a8a8bd54 PZ |
9076 | /* |
9077 | * Make sure we're not on PC8 state before disabling PC8, otherwise | |
9078 | * we'll hang the machine. To prevent PC8 state, just enable force_wake. | |
a8a8bd54 | 9079 | */ |
59bad947 | 9080 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); |
215733fa | 9081 | |
be256dc7 PZ |
9082 | if (val & LCPLL_POWER_DOWN_ALLOW) { |
9083 | val &= ~LCPLL_POWER_DOWN_ALLOW; | |
9084 | I915_WRITE(LCPLL_CTL, val); | |
35d8f2eb | 9085 | POSTING_READ(LCPLL_CTL); |
be256dc7 PZ |
9086 | } |
9087 | ||
9ccd5aeb | 9088 | val = hsw_read_dcomp(dev_priv); |
be256dc7 PZ |
9089 | val |= D_COMP_COMP_FORCE; |
9090 | val &= ~D_COMP_COMP_DISABLE; | |
3c4c9b81 | 9091 | hsw_write_dcomp(dev_priv, val); |
be256dc7 PZ |
9092 | |
9093 | val = I915_READ(LCPLL_CTL); | |
9094 | val &= ~LCPLL_PLL_DISABLE; | |
9095 | I915_WRITE(LCPLL_CTL, val); | |
9096 | ||
9097 | if (wait_for(I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK, 5)) | |
9098 | DRM_ERROR("LCPLL not locked yet\n"); | |
9099 | ||
9100 | if (val & LCPLL_CD_SOURCE_FCLK) { | |
9101 | val = I915_READ(LCPLL_CTL); | |
9102 | val &= ~LCPLL_CD_SOURCE_FCLK; | |
9103 | I915_WRITE(LCPLL_CTL, val); | |
9104 | ||
9105 | if (wait_for_atomic_us((I915_READ(LCPLL_CTL) & | |
9106 | LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1)) | |
9107 | DRM_ERROR("Switching back to LCPLL failed\n"); | |
9108 | } | |
215733fa | 9109 | |
59bad947 | 9110 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); |
be256dc7 PZ |
9111 | } |
9112 | ||
765dab67 PZ |
9113 | /* |
9114 | * Package states C8 and deeper are really deep PC states that can only be | |
9115 | * reached when all the devices on the system allow it, so even if the graphics | |
9116 | * device allows PC8+, it doesn't mean the system will actually get to these | |
9117 | * states. Our driver only allows PC8+ when going into runtime PM. | |
9118 | * | |
9119 | * The requirements for PC8+ are that all the outputs are disabled, the power | |
9120 | * well is disabled and most interrupts are disabled, and these are also | |
9121 | * requirements for runtime PM. When these conditions are met, we manually do | |
9122 | * the other conditions: disable the interrupts, clocks and switch LCPLL refclk | |
9123 | * to Fclk. If we're in PC8+ and we get an non-hotplug interrupt, we can hard | |
9124 | * hang the machine. | |
9125 | * | |
9126 | * When we really reach PC8 or deeper states (not just when we allow it) we lose | |
9127 | * the state of some registers, so when we come back from PC8+ we need to | |
9128 | * restore this state. We don't get into PC8+ if we're not in RC6, so we don't | |
9129 | * need to take care of the registers kept by RC6. Notice that this happens even | |
9130 | * if we don't put the device in PCI D3 state (which is what currently happens | |
9131 | * because of the runtime PM support). | |
9132 | * | |
9133 | * For more, read "Display Sequences for Package C8" on the hardware | |
9134 | * documentation. | |
9135 | */ | |
a14cb6fc | 9136 | void hsw_enable_pc8(struct drm_i915_private *dev_priv) |
c67a470b | 9137 | { |
c67a470b PZ |
9138 | struct drm_device *dev = dev_priv->dev; |
9139 | uint32_t val; | |
9140 | ||
c67a470b PZ |
9141 | DRM_DEBUG_KMS("Enabling package C8+\n"); |
9142 | ||
c67a470b PZ |
9143 | if (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) { |
9144 | val = I915_READ(SOUTH_DSPCLK_GATE_D); | |
9145 | val &= ~PCH_LP_PARTITION_LEVEL_DISABLE; | |
9146 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); | |
9147 | } | |
9148 | ||
9149 | lpt_disable_clkout_dp(dev); | |
c67a470b PZ |
9150 | hsw_disable_lcpll(dev_priv, true, true); |
9151 | } | |
9152 | ||
a14cb6fc | 9153 | void hsw_disable_pc8(struct drm_i915_private *dev_priv) |
c67a470b PZ |
9154 | { |
9155 | struct drm_device *dev = dev_priv->dev; | |
9156 | uint32_t val; | |
9157 | ||
c67a470b PZ |
9158 | DRM_DEBUG_KMS("Disabling package C8+\n"); |
9159 | ||
9160 | hsw_restore_lcpll(dev_priv); | |
c67a470b PZ |
9161 | lpt_init_pch_refclk(dev); |
9162 | ||
9163 | if (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) { | |
9164 | val = I915_READ(SOUTH_DSPCLK_GATE_D); | |
9165 | val |= PCH_LP_PARTITION_LEVEL_DISABLE; | |
9166 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); | |
9167 | } | |
9168 | ||
9169 | intel_prepare_ddi(dev); | |
c67a470b PZ |
9170 | } |
9171 | ||
a821fc46 | 9172 | static void broxton_modeset_global_resources(struct drm_atomic_state *old_state) |
f8437dd1 | 9173 | { |
a821fc46 | 9174 | struct drm_device *dev = old_state->dev; |
f8437dd1 | 9175 | struct drm_i915_private *dev_priv = dev->dev_private; |
a821fc46 | 9176 | int max_pixclk = intel_mode_max_pixclk(dev, NULL); |
f8437dd1 VK |
9177 | int req_cdclk; |
9178 | ||
9179 | /* see the comment in valleyview_modeset_global_resources */ | |
9180 | if (WARN_ON(max_pixclk < 0)) | |
9181 | return; | |
9182 | ||
9183 | req_cdclk = broxton_calc_cdclk(dev_priv, max_pixclk); | |
9184 | ||
9185 | if (req_cdclk != dev_priv->cdclk_freq) | |
9186 | broxton_set_cdclk(dev, req_cdclk); | |
9187 | } | |
9188 | ||
190f68c5 ACO |
9189 | static int haswell_crtc_compute_clock(struct intel_crtc *crtc, |
9190 | struct intel_crtc_state *crtc_state) | |
09b4ddf9 | 9191 | { |
190f68c5 | 9192 | if (!intel_ddi_pll_select(crtc, crtc_state)) |
6441ab5f | 9193 | return -EINVAL; |
716c2e55 | 9194 | |
c7653199 | 9195 | crtc->lowfreq_avail = false; |
644cef34 | 9196 | |
c8f7a0db | 9197 | return 0; |
79e53945 JB |
9198 | } |
9199 | ||
3760b59c S |
9200 | static void bxt_get_ddi_pll(struct drm_i915_private *dev_priv, |
9201 | enum port port, | |
9202 | struct intel_crtc_state *pipe_config) | |
9203 | { | |
9204 | switch (port) { | |
9205 | case PORT_A: | |
9206 | pipe_config->ddi_pll_sel = SKL_DPLL0; | |
9207 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL1; | |
9208 | break; | |
9209 | case PORT_B: | |
9210 | pipe_config->ddi_pll_sel = SKL_DPLL1; | |
9211 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL2; | |
9212 | break; | |
9213 | case PORT_C: | |
9214 | pipe_config->ddi_pll_sel = SKL_DPLL2; | |
9215 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL3; | |
9216 | break; | |
9217 | default: | |
9218 | DRM_ERROR("Incorrect port type\n"); | |
9219 | } | |
9220 | } | |
9221 | ||
96b7dfb7 S |
9222 | static void skylake_get_ddi_pll(struct drm_i915_private *dev_priv, |
9223 | enum port port, | |
5cec258b | 9224 | struct intel_crtc_state *pipe_config) |
96b7dfb7 | 9225 | { |
3148ade7 | 9226 | u32 temp, dpll_ctl1; |
96b7dfb7 S |
9227 | |
9228 | temp = I915_READ(DPLL_CTRL2) & DPLL_CTRL2_DDI_CLK_SEL_MASK(port); | |
9229 | pipe_config->ddi_pll_sel = temp >> (port * 3 + 1); | |
9230 | ||
9231 | switch (pipe_config->ddi_pll_sel) { | |
3148ade7 DL |
9232 | case SKL_DPLL0: |
9233 | /* | |
9234 | * On SKL the eDP DPLL (DPLL0 as we don't use SSC) is not part | |
9235 | * of the shared DPLL framework and thus needs to be read out | |
9236 | * separately | |
9237 | */ | |
9238 | dpll_ctl1 = I915_READ(DPLL_CTRL1); | |
9239 | pipe_config->dpll_hw_state.ctrl1 = dpll_ctl1 & 0x3f; | |
9240 | break; | |
96b7dfb7 S |
9241 | case SKL_DPLL1: |
9242 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL1; | |
9243 | break; | |
9244 | case SKL_DPLL2: | |
9245 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL2; | |
9246 | break; | |
9247 | case SKL_DPLL3: | |
9248 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL3; | |
9249 | break; | |
96b7dfb7 S |
9250 | } |
9251 | } | |
9252 | ||
7d2c8175 DL |
9253 | static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv, |
9254 | enum port port, | |
5cec258b | 9255 | struct intel_crtc_state *pipe_config) |
7d2c8175 DL |
9256 | { |
9257 | pipe_config->ddi_pll_sel = I915_READ(PORT_CLK_SEL(port)); | |
9258 | ||
9259 | switch (pipe_config->ddi_pll_sel) { | |
9260 | case PORT_CLK_SEL_WRPLL1: | |
9261 | pipe_config->shared_dpll = DPLL_ID_WRPLL1; | |
9262 | break; | |
9263 | case PORT_CLK_SEL_WRPLL2: | |
9264 | pipe_config->shared_dpll = DPLL_ID_WRPLL2; | |
9265 | break; | |
9266 | } | |
9267 | } | |
9268 | ||
26804afd | 9269 | static void haswell_get_ddi_port_state(struct intel_crtc *crtc, |
5cec258b | 9270 | struct intel_crtc_state *pipe_config) |
26804afd DV |
9271 | { |
9272 | struct drm_device *dev = crtc->base.dev; | |
9273 | struct drm_i915_private *dev_priv = dev->dev_private; | |
d452c5b6 | 9274 | struct intel_shared_dpll *pll; |
26804afd DV |
9275 | enum port port; |
9276 | uint32_t tmp; | |
9277 | ||
9278 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder)); | |
9279 | ||
9280 | port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT; | |
9281 | ||
96b7dfb7 S |
9282 | if (IS_SKYLAKE(dev)) |
9283 | skylake_get_ddi_pll(dev_priv, port, pipe_config); | |
3760b59c S |
9284 | else if (IS_BROXTON(dev)) |
9285 | bxt_get_ddi_pll(dev_priv, port, pipe_config); | |
96b7dfb7 S |
9286 | else |
9287 | haswell_get_ddi_pll(dev_priv, port, pipe_config); | |
9cd86933 | 9288 | |
d452c5b6 DV |
9289 | if (pipe_config->shared_dpll >= 0) { |
9290 | pll = &dev_priv->shared_dplls[pipe_config->shared_dpll]; | |
9291 | ||
9292 | WARN_ON(!pll->get_hw_state(dev_priv, pll, | |
9293 | &pipe_config->dpll_hw_state)); | |
9294 | } | |
9295 | ||
26804afd DV |
9296 | /* |
9297 | * Haswell has only FDI/PCH transcoder A. It is which is connected to | |
9298 | * DDI E. So just check whether this pipe is wired to DDI E and whether | |
9299 | * the PCH transcoder is on. | |
9300 | */ | |
ca370455 DL |
9301 | if (INTEL_INFO(dev)->gen < 9 && |
9302 | (port == PORT_E) && I915_READ(LPT_TRANSCONF) & TRANS_ENABLE) { | |
26804afd DV |
9303 | pipe_config->has_pch_encoder = true; |
9304 | ||
9305 | tmp = I915_READ(FDI_RX_CTL(PIPE_A)); | |
9306 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
9307 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
9308 | ||
9309 | ironlake_get_fdi_m_n_config(crtc, pipe_config); | |
9310 | } | |
9311 | } | |
9312 | ||
0e8ffe1b | 9313 | static bool haswell_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 9314 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
9315 | { |
9316 | struct drm_device *dev = crtc->base.dev; | |
9317 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2fa2fe9a | 9318 | enum intel_display_power_domain pfit_domain; |
0e8ffe1b DV |
9319 | uint32_t tmp; |
9320 | ||
f458ebbc | 9321 | if (!intel_display_power_is_enabled(dev_priv, |
b5482bd0 ID |
9322 | POWER_DOMAIN_PIPE(crtc->pipe))) |
9323 | return false; | |
9324 | ||
e143a21c | 9325 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
c0d43d62 DV |
9326 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
9327 | ||
eccb140b DV |
9328 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); |
9329 | if (tmp & TRANS_DDI_FUNC_ENABLE) { | |
9330 | enum pipe trans_edp_pipe; | |
9331 | switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { | |
9332 | default: | |
9333 | WARN(1, "unknown pipe linked to edp transcoder\n"); | |
9334 | case TRANS_DDI_EDP_INPUT_A_ONOFF: | |
9335 | case TRANS_DDI_EDP_INPUT_A_ON: | |
9336 | trans_edp_pipe = PIPE_A; | |
9337 | break; | |
9338 | case TRANS_DDI_EDP_INPUT_B_ONOFF: | |
9339 | trans_edp_pipe = PIPE_B; | |
9340 | break; | |
9341 | case TRANS_DDI_EDP_INPUT_C_ONOFF: | |
9342 | trans_edp_pipe = PIPE_C; | |
9343 | break; | |
9344 | } | |
9345 | ||
9346 | if (trans_edp_pipe == crtc->pipe) | |
9347 | pipe_config->cpu_transcoder = TRANSCODER_EDP; | |
9348 | } | |
9349 | ||
f458ebbc | 9350 | if (!intel_display_power_is_enabled(dev_priv, |
eccb140b | 9351 | POWER_DOMAIN_TRANSCODER(pipe_config->cpu_transcoder))) |
2bfce950 PZ |
9352 | return false; |
9353 | ||
eccb140b | 9354 | tmp = I915_READ(PIPECONF(pipe_config->cpu_transcoder)); |
0e8ffe1b DV |
9355 | if (!(tmp & PIPECONF_ENABLE)) |
9356 | return false; | |
9357 | ||
26804afd | 9358 | haswell_get_ddi_port_state(crtc, pipe_config); |
627eb5a3 | 9359 | |
1bd1bd80 DV |
9360 | intel_get_pipe_timings(crtc, pipe_config); |
9361 | ||
a1b2278e CK |
9362 | if (INTEL_INFO(dev)->gen >= 9) { |
9363 | skl_init_scalers(dev, crtc, pipe_config); | |
9364 | } | |
9365 | ||
2fa2fe9a | 9366 | pfit_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe); |
af99ceda CK |
9367 | |
9368 | if (INTEL_INFO(dev)->gen >= 9) { | |
9369 | pipe_config->scaler_state.scaler_id = -1; | |
9370 | pipe_config->scaler_state.scaler_users &= ~(1 << SKL_CRTC_INDEX); | |
9371 | } | |
9372 | ||
bd2e244f | 9373 | if (intel_display_power_is_enabled(dev_priv, pfit_domain)) { |
ff6d9f55 | 9374 | if (INTEL_INFO(dev)->gen == 9) |
bd2e244f | 9375 | skylake_get_pfit_config(crtc, pipe_config); |
ff6d9f55 | 9376 | else if (INTEL_INFO(dev)->gen < 9) |
bd2e244f | 9377 | ironlake_get_pfit_config(crtc, pipe_config); |
ff6d9f55 JB |
9378 | else |
9379 | MISSING_CASE(INTEL_INFO(dev)->gen); | |
bd2e244f | 9380 | } |
88adfff1 | 9381 | |
e59150dc JB |
9382 | if (IS_HASWELL(dev)) |
9383 | pipe_config->ips_enabled = hsw_crtc_supports_ips(crtc) && | |
9384 | (I915_READ(IPS_CTL) & IPS_ENABLE); | |
42db64ef | 9385 | |
ebb69c95 CT |
9386 | if (pipe_config->cpu_transcoder != TRANSCODER_EDP) { |
9387 | pipe_config->pixel_multiplier = | |
9388 | I915_READ(PIPE_MULT(pipe_config->cpu_transcoder)) + 1; | |
9389 | } else { | |
9390 | pipe_config->pixel_multiplier = 1; | |
9391 | } | |
6c49f241 | 9392 | |
0e8ffe1b DV |
9393 | return true; |
9394 | } | |
9395 | ||
560b85bb CW |
9396 | static void i845_update_cursor(struct drm_crtc *crtc, u32 base) |
9397 | { | |
9398 | struct drm_device *dev = crtc->dev; | |
9399 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9400 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
dc41c154 | 9401 | uint32_t cntl = 0, size = 0; |
560b85bb | 9402 | |
dc41c154 | 9403 | if (base) { |
3dd512fb MR |
9404 | unsigned int width = intel_crtc->base.cursor->state->crtc_w; |
9405 | unsigned int height = intel_crtc->base.cursor->state->crtc_h; | |
dc41c154 VS |
9406 | unsigned int stride = roundup_pow_of_two(width) * 4; |
9407 | ||
9408 | switch (stride) { | |
9409 | default: | |
9410 | WARN_ONCE(1, "Invalid cursor width/stride, width=%u, stride=%u\n", | |
9411 | width, stride); | |
9412 | stride = 256; | |
9413 | /* fallthrough */ | |
9414 | case 256: | |
9415 | case 512: | |
9416 | case 1024: | |
9417 | case 2048: | |
9418 | break; | |
4b0e333e CW |
9419 | } |
9420 | ||
dc41c154 VS |
9421 | cntl |= CURSOR_ENABLE | |
9422 | CURSOR_GAMMA_ENABLE | | |
9423 | CURSOR_FORMAT_ARGB | | |
9424 | CURSOR_STRIDE(stride); | |
9425 | ||
9426 | size = (height << 12) | width; | |
4b0e333e | 9427 | } |
560b85bb | 9428 | |
dc41c154 VS |
9429 | if (intel_crtc->cursor_cntl != 0 && |
9430 | (intel_crtc->cursor_base != base || | |
9431 | intel_crtc->cursor_size != size || | |
9432 | intel_crtc->cursor_cntl != cntl)) { | |
9433 | /* On these chipsets we can only modify the base/size/stride | |
9434 | * whilst the cursor is disabled. | |
9435 | */ | |
9436 | I915_WRITE(_CURACNTR, 0); | |
4b0e333e | 9437 | POSTING_READ(_CURACNTR); |
dc41c154 | 9438 | intel_crtc->cursor_cntl = 0; |
4b0e333e | 9439 | } |
560b85bb | 9440 | |
99d1f387 | 9441 | if (intel_crtc->cursor_base != base) { |
9db4a9c7 | 9442 | I915_WRITE(_CURABASE, base); |
99d1f387 VS |
9443 | intel_crtc->cursor_base = base; |
9444 | } | |
4726e0b0 | 9445 | |
dc41c154 VS |
9446 | if (intel_crtc->cursor_size != size) { |
9447 | I915_WRITE(CURSIZE, size); | |
9448 | intel_crtc->cursor_size = size; | |
4b0e333e | 9449 | } |
560b85bb | 9450 | |
4b0e333e | 9451 | if (intel_crtc->cursor_cntl != cntl) { |
4b0e333e CW |
9452 | I915_WRITE(_CURACNTR, cntl); |
9453 | POSTING_READ(_CURACNTR); | |
4b0e333e | 9454 | intel_crtc->cursor_cntl = cntl; |
560b85bb | 9455 | } |
560b85bb CW |
9456 | } |
9457 | ||
560b85bb | 9458 | static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base) |
65a21cd6 JB |
9459 | { |
9460 | struct drm_device *dev = crtc->dev; | |
9461 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9462 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
9463 | int pipe = intel_crtc->pipe; | |
4b0e333e CW |
9464 | uint32_t cntl; |
9465 | ||
9466 | cntl = 0; | |
9467 | if (base) { | |
9468 | cntl = MCURSOR_GAMMA_ENABLE; | |
3dd512fb | 9469 | switch (intel_crtc->base.cursor->state->crtc_w) { |
4726e0b0 SK |
9470 | case 64: |
9471 | cntl |= CURSOR_MODE_64_ARGB_AX; | |
9472 | break; | |
9473 | case 128: | |
9474 | cntl |= CURSOR_MODE_128_ARGB_AX; | |
9475 | break; | |
9476 | case 256: | |
9477 | cntl |= CURSOR_MODE_256_ARGB_AX; | |
9478 | break; | |
9479 | default: | |
3dd512fb | 9480 | MISSING_CASE(intel_crtc->base.cursor->state->crtc_w); |
4726e0b0 | 9481 | return; |
65a21cd6 | 9482 | } |
4b0e333e | 9483 | cntl |= pipe << 28; /* Connect to correct pipe */ |
47bf17a7 VS |
9484 | |
9485 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) | |
9486 | cntl |= CURSOR_PIPE_CSC_ENABLE; | |
4b0e333e | 9487 | } |
65a21cd6 | 9488 | |
8e7d688b | 9489 | if (crtc->cursor->state->rotation == BIT(DRM_ROTATE_180)) |
4398ad45 VS |
9490 | cntl |= CURSOR_ROTATE_180; |
9491 | ||
4b0e333e CW |
9492 | if (intel_crtc->cursor_cntl != cntl) { |
9493 | I915_WRITE(CURCNTR(pipe), cntl); | |
9494 | POSTING_READ(CURCNTR(pipe)); | |
9495 | intel_crtc->cursor_cntl = cntl; | |
65a21cd6 | 9496 | } |
4b0e333e | 9497 | |
65a21cd6 | 9498 | /* and commit changes on next vblank */ |
5efb3e28 VS |
9499 | I915_WRITE(CURBASE(pipe), base); |
9500 | POSTING_READ(CURBASE(pipe)); | |
99d1f387 VS |
9501 | |
9502 | intel_crtc->cursor_base = base; | |
65a21cd6 JB |
9503 | } |
9504 | ||
cda4b7d3 | 9505 | /* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */ |
6b383a7f CW |
9506 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, |
9507 | bool on) | |
cda4b7d3 CW |
9508 | { |
9509 | struct drm_device *dev = crtc->dev; | |
9510 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9511 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
9512 | int pipe = intel_crtc->pipe; | |
3d7d6510 MR |
9513 | int x = crtc->cursor_x; |
9514 | int y = crtc->cursor_y; | |
d6e4db15 | 9515 | u32 base = 0, pos = 0; |
cda4b7d3 | 9516 | |
d6e4db15 | 9517 | if (on) |
cda4b7d3 | 9518 | base = intel_crtc->cursor_addr; |
cda4b7d3 | 9519 | |
6e3c9717 | 9520 | if (x >= intel_crtc->config->pipe_src_w) |
d6e4db15 VS |
9521 | base = 0; |
9522 | ||
6e3c9717 | 9523 | if (y >= intel_crtc->config->pipe_src_h) |
cda4b7d3 CW |
9524 | base = 0; |
9525 | ||
9526 | if (x < 0) { | |
3dd512fb | 9527 | if (x + intel_crtc->base.cursor->state->crtc_w <= 0) |
cda4b7d3 CW |
9528 | base = 0; |
9529 | ||
9530 | pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT; | |
9531 | x = -x; | |
9532 | } | |
9533 | pos |= x << CURSOR_X_SHIFT; | |
9534 | ||
9535 | if (y < 0) { | |
3dd512fb | 9536 | if (y + intel_crtc->base.cursor->state->crtc_h <= 0) |
cda4b7d3 CW |
9537 | base = 0; |
9538 | ||
9539 | pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT; | |
9540 | y = -y; | |
9541 | } | |
9542 | pos |= y << CURSOR_Y_SHIFT; | |
9543 | ||
4b0e333e | 9544 | if (base == 0 && intel_crtc->cursor_base == 0) |
cda4b7d3 CW |
9545 | return; |
9546 | ||
5efb3e28 VS |
9547 | I915_WRITE(CURPOS(pipe), pos); |
9548 | ||
4398ad45 VS |
9549 | /* ILK+ do this automagically */ |
9550 | if (HAS_GMCH_DISPLAY(dev) && | |
8e7d688b | 9551 | crtc->cursor->state->rotation == BIT(DRM_ROTATE_180)) { |
3dd512fb MR |
9552 | base += (intel_crtc->base.cursor->state->crtc_h * |
9553 | intel_crtc->base.cursor->state->crtc_w - 1) * 4; | |
4398ad45 VS |
9554 | } |
9555 | ||
8ac54669 | 9556 | if (IS_845G(dev) || IS_I865G(dev)) |
5efb3e28 VS |
9557 | i845_update_cursor(crtc, base); |
9558 | else | |
9559 | i9xx_update_cursor(crtc, base); | |
cda4b7d3 CW |
9560 | } |
9561 | ||
dc41c154 VS |
9562 | static bool cursor_size_ok(struct drm_device *dev, |
9563 | uint32_t width, uint32_t height) | |
9564 | { | |
9565 | if (width == 0 || height == 0) | |
9566 | return false; | |
9567 | ||
9568 | /* | |
9569 | * 845g/865g are special in that they are only limited by | |
9570 | * the width of their cursors, the height is arbitrary up to | |
9571 | * the precision of the register. Everything else requires | |
9572 | * square cursors, limited to a few power-of-two sizes. | |
9573 | */ | |
9574 | if (IS_845G(dev) || IS_I865G(dev)) { | |
9575 | if ((width & 63) != 0) | |
9576 | return false; | |
9577 | ||
9578 | if (width > (IS_845G(dev) ? 64 : 512)) | |
9579 | return false; | |
9580 | ||
9581 | if (height > 1023) | |
9582 | return false; | |
9583 | } else { | |
9584 | switch (width | height) { | |
9585 | case 256: | |
9586 | case 128: | |
9587 | if (IS_GEN2(dev)) | |
9588 | return false; | |
9589 | case 64: | |
9590 | break; | |
9591 | default: | |
9592 | return false; | |
9593 | } | |
9594 | } | |
9595 | ||
9596 | return true; | |
9597 | } | |
9598 | ||
79e53945 | 9599 | static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, |
7203425a | 9600 | u16 *blue, uint32_t start, uint32_t size) |
79e53945 | 9601 | { |
7203425a | 9602 | int end = (start + size > 256) ? 256 : start + size, i; |
79e53945 | 9603 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
79e53945 | 9604 | |
7203425a | 9605 | for (i = start; i < end; i++) { |
79e53945 JB |
9606 | intel_crtc->lut_r[i] = red[i] >> 8; |
9607 | intel_crtc->lut_g[i] = green[i] >> 8; | |
9608 | intel_crtc->lut_b[i] = blue[i] >> 8; | |
9609 | } | |
9610 | ||
9611 | intel_crtc_load_lut(crtc); | |
9612 | } | |
9613 | ||
79e53945 JB |
9614 | /* VESA 640x480x72Hz mode to set on the pipe */ |
9615 | static struct drm_display_mode load_detect_mode = { | |
9616 | DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664, | |
9617 | 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), | |
9618 | }; | |
9619 | ||
a8bb6818 DV |
9620 | struct drm_framebuffer * |
9621 | __intel_framebuffer_create(struct drm_device *dev, | |
9622 | struct drm_mode_fb_cmd2 *mode_cmd, | |
9623 | struct drm_i915_gem_object *obj) | |
d2dff872 CW |
9624 | { |
9625 | struct intel_framebuffer *intel_fb; | |
9626 | int ret; | |
9627 | ||
9628 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); | |
9629 | if (!intel_fb) { | |
6ccb81f2 | 9630 | drm_gem_object_unreference(&obj->base); |
d2dff872 CW |
9631 | return ERR_PTR(-ENOMEM); |
9632 | } | |
9633 | ||
9634 | ret = intel_framebuffer_init(dev, intel_fb, mode_cmd, obj); | |
dd4916c5 DV |
9635 | if (ret) |
9636 | goto err; | |
d2dff872 CW |
9637 | |
9638 | return &intel_fb->base; | |
dd4916c5 | 9639 | err: |
6ccb81f2 | 9640 | drm_gem_object_unreference(&obj->base); |
dd4916c5 DV |
9641 | kfree(intel_fb); |
9642 | ||
9643 | return ERR_PTR(ret); | |
d2dff872 CW |
9644 | } |
9645 | ||
b5ea642a | 9646 | static struct drm_framebuffer * |
a8bb6818 DV |
9647 | intel_framebuffer_create(struct drm_device *dev, |
9648 | struct drm_mode_fb_cmd2 *mode_cmd, | |
9649 | struct drm_i915_gem_object *obj) | |
9650 | { | |
9651 | struct drm_framebuffer *fb; | |
9652 | int ret; | |
9653 | ||
9654 | ret = i915_mutex_lock_interruptible(dev); | |
9655 | if (ret) | |
9656 | return ERR_PTR(ret); | |
9657 | fb = __intel_framebuffer_create(dev, mode_cmd, obj); | |
9658 | mutex_unlock(&dev->struct_mutex); | |
9659 | ||
9660 | return fb; | |
9661 | } | |
9662 | ||
d2dff872 CW |
9663 | static u32 |
9664 | intel_framebuffer_pitch_for_width(int width, int bpp) | |
9665 | { | |
9666 | u32 pitch = DIV_ROUND_UP(width * bpp, 8); | |
9667 | return ALIGN(pitch, 64); | |
9668 | } | |
9669 | ||
9670 | static u32 | |
9671 | intel_framebuffer_size_for_mode(struct drm_display_mode *mode, int bpp) | |
9672 | { | |
9673 | u32 pitch = intel_framebuffer_pitch_for_width(mode->hdisplay, bpp); | |
1267a26b | 9674 | return PAGE_ALIGN(pitch * mode->vdisplay); |
d2dff872 CW |
9675 | } |
9676 | ||
9677 | static struct drm_framebuffer * | |
9678 | intel_framebuffer_create_for_mode(struct drm_device *dev, | |
9679 | struct drm_display_mode *mode, | |
9680 | int depth, int bpp) | |
9681 | { | |
9682 | struct drm_i915_gem_object *obj; | |
0fed39bd | 9683 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; |
d2dff872 CW |
9684 | |
9685 | obj = i915_gem_alloc_object(dev, | |
9686 | intel_framebuffer_size_for_mode(mode, bpp)); | |
9687 | if (obj == NULL) | |
9688 | return ERR_PTR(-ENOMEM); | |
9689 | ||
9690 | mode_cmd.width = mode->hdisplay; | |
9691 | mode_cmd.height = mode->vdisplay; | |
308e5bcb JB |
9692 | mode_cmd.pitches[0] = intel_framebuffer_pitch_for_width(mode_cmd.width, |
9693 | bpp); | |
5ca0c34a | 9694 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); |
d2dff872 CW |
9695 | |
9696 | return intel_framebuffer_create(dev, &mode_cmd, obj); | |
9697 | } | |
9698 | ||
9699 | static struct drm_framebuffer * | |
9700 | mode_fits_in_fbdev(struct drm_device *dev, | |
9701 | struct drm_display_mode *mode) | |
9702 | { | |
4520f53a | 9703 | #ifdef CONFIG_DRM_I915_FBDEV |
d2dff872 CW |
9704 | struct drm_i915_private *dev_priv = dev->dev_private; |
9705 | struct drm_i915_gem_object *obj; | |
9706 | struct drm_framebuffer *fb; | |
9707 | ||
4c0e5528 | 9708 | if (!dev_priv->fbdev) |
d2dff872 CW |
9709 | return NULL; |
9710 | ||
4c0e5528 | 9711 | if (!dev_priv->fbdev->fb) |
d2dff872 CW |
9712 | return NULL; |
9713 | ||
4c0e5528 DV |
9714 | obj = dev_priv->fbdev->fb->obj; |
9715 | BUG_ON(!obj); | |
9716 | ||
8bcd4553 | 9717 | fb = &dev_priv->fbdev->fb->base; |
01f2c773 VS |
9718 | if (fb->pitches[0] < intel_framebuffer_pitch_for_width(mode->hdisplay, |
9719 | fb->bits_per_pixel)) | |
d2dff872 CW |
9720 | return NULL; |
9721 | ||
01f2c773 | 9722 | if (obj->base.size < mode->vdisplay * fb->pitches[0]) |
d2dff872 CW |
9723 | return NULL; |
9724 | ||
9725 | return fb; | |
4520f53a DV |
9726 | #else |
9727 | return NULL; | |
9728 | #endif | |
d2dff872 CW |
9729 | } |
9730 | ||
d3a40d1b ACO |
9731 | static int intel_modeset_setup_plane_state(struct drm_atomic_state *state, |
9732 | struct drm_crtc *crtc, | |
9733 | struct drm_display_mode *mode, | |
9734 | struct drm_framebuffer *fb, | |
9735 | int x, int y) | |
9736 | { | |
9737 | struct drm_plane_state *plane_state; | |
9738 | int hdisplay, vdisplay; | |
9739 | int ret; | |
9740 | ||
9741 | plane_state = drm_atomic_get_plane_state(state, crtc->primary); | |
9742 | if (IS_ERR(plane_state)) | |
9743 | return PTR_ERR(plane_state); | |
9744 | ||
9745 | if (mode) | |
9746 | drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay); | |
9747 | else | |
9748 | hdisplay = vdisplay = 0; | |
9749 | ||
9750 | ret = drm_atomic_set_crtc_for_plane(plane_state, fb ? crtc : NULL); | |
9751 | if (ret) | |
9752 | return ret; | |
9753 | drm_atomic_set_fb_for_plane(plane_state, fb); | |
9754 | plane_state->crtc_x = 0; | |
9755 | plane_state->crtc_y = 0; | |
9756 | plane_state->crtc_w = hdisplay; | |
9757 | plane_state->crtc_h = vdisplay; | |
9758 | plane_state->src_x = x << 16; | |
9759 | plane_state->src_y = y << 16; | |
9760 | plane_state->src_w = hdisplay << 16; | |
9761 | plane_state->src_h = vdisplay << 16; | |
9762 | ||
9763 | return 0; | |
9764 | } | |
9765 | ||
d2434ab7 | 9766 | bool intel_get_load_detect_pipe(struct drm_connector *connector, |
7173188d | 9767 | struct drm_display_mode *mode, |
51fd371b RC |
9768 | struct intel_load_detect_pipe *old, |
9769 | struct drm_modeset_acquire_ctx *ctx) | |
79e53945 JB |
9770 | { |
9771 | struct intel_crtc *intel_crtc; | |
d2434ab7 DV |
9772 | struct intel_encoder *intel_encoder = |
9773 | intel_attached_encoder(connector); | |
79e53945 | 9774 | struct drm_crtc *possible_crtc; |
4ef69c7a | 9775 | struct drm_encoder *encoder = &intel_encoder->base; |
79e53945 JB |
9776 | struct drm_crtc *crtc = NULL; |
9777 | struct drm_device *dev = encoder->dev; | |
94352cf9 | 9778 | struct drm_framebuffer *fb; |
51fd371b | 9779 | struct drm_mode_config *config = &dev->mode_config; |
83a57153 | 9780 | struct drm_atomic_state *state = NULL; |
944b0c76 | 9781 | struct drm_connector_state *connector_state; |
4be07317 | 9782 | struct intel_crtc_state *crtc_state; |
51fd371b | 9783 | int ret, i = -1; |
79e53945 | 9784 | |
d2dff872 | 9785 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
c23cc417 | 9786 | connector->base.id, connector->name, |
8e329a03 | 9787 | encoder->base.id, encoder->name); |
d2dff872 | 9788 | |
51fd371b RC |
9789 | retry: |
9790 | ret = drm_modeset_lock(&config->connection_mutex, ctx); | |
9791 | if (ret) | |
9792 | goto fail_unlock; | |
6e9f798d | 9793 | |
79e53945 JB |
9794 | /* |
9795 | * Algorithm gets a little messy: | |
7a5e4805 | 9796 | * |
79e53945 JB |
9797 | * - if the connector already has an assigned crtc, use it (but make |
9798 | * sure it's on first) | |
7a5e4805 | 9799 | * |
79e53945 JB |
9800 | * - try to find the first unused crtc that can drive this connector, |
9801 | * and use that if we find one | |
79e53945 JB |
9802 | */ |
9803 | ||
9804 | /* See if we already have a CRTC for this connector */ | |
9805 | if (encoder->crtc) { | |
9806 | crtc = encoder->crtc; | |
8261b191 | 9807 | |
51fd371b | 9808 | ret = drm_modeset_lock(&crtc->mutex, ctx); |
4d02e2de DV |
9809 | if (ret) |
9810 | goto fail_unlock; | |
9811 | ret = drm_modeset_lock(&crtc->primary->mutex, ctx); | |
51fd371b RC |
9812 | if (ret) |
9813 | goto fail_unlock; | |
7b24056b | 9814 | |
24218aac | 9815 | old->dpms_mode = connector->dpms; |
8261b191 CW |
9816 | old->load_detect_temp = false; |
9817 | ||
9818 | /* Make sure the crtc and connector are running */ | |
24218aac DV |
9819 | if (connector->dpms != DRM_MODE_DPMS_ON) |
9820 | connector->funcs->dpms(connector, DRM_MODE_DPMS_ON); | |
8261b191 | 9821 | |
7173188d | 9822 | return true; |
79e53945 JB |
9823 | } |
9824 | ||
9825 | /* Find an unused one (if possible) */ | |
70e1e0ec | 9826 | for_each_crtc(dev, possible_crtc) { |
79e53945 JB |
9827 | i++; |
9828 | if (!(encoder->possible_crtcs & (1 << i))) | |
9829 | continue; | |
83d65738 | 9830 | if (possible_crtc->state->enable) |
a459249c VS |
9831 | continue; |
9832 | /* This can occur when applying the pipe A quirk on resume. */ | |
9833 | if (to_intel_crtc(possible_crtc)->new_enabled) | |
9834 | continue; | |
9835 | ||
9836 | crtc = possible_crtc; | |
9837 | break; | |
79e53945 JB |
9838 | } |
9839 | ||
9840 | /* | |
9841 | * If we didn't find an unused CRTC, don't use any. | |
9842 | */ | |
9843 | if (!crtc) { | |
7173188d | 9844 | DRM_DEBUG_KMS("no pipe available for load-detect\n"); |
51fd371b | 9845 | goto fail_unlock; |
79e53945 JB |
9846 | } |
9847 | ||
51fd371b RC |
9848 | ret = drm_modeset_lock(&crtc->mutex, ctx); |
9849 | if (ret) | |
4d02e2de DV |
9850 | goto fail_unlock; |
9851 | ret = drm_modeset_lock(&crtc->primary->mutex, ctx); | |
9852 | if (ret) | |
51fd371b | 9853 | goto fail_unlock; |
fc303101 DV |
9854 | intel_encoder->new_crtc = to_intel_crtc(crtc); |
9855 | to_intel_connector(connector)->new_encoder = intel_encoder; | |
79e53945 JB |
9856 | |
9857 | intel_crtc = to_intel_crtc(crtc); | |
412b61d8 | 9858 | intel_crtc->new_enabled = true; |
24218aac | 9859 | old->dpms_mode = connector->dpms; |
8261b191 | 9860 | old->load_detect_temp = true; |
d2dff872 | 9861 | old->release_fb = NULL; |
79e53945 | 9862 | |
83a57153 ACO |
9863 | state = drm_atomic_state_alloc(dev); |
9864 | if (!state) | |
9865 | return false; | |
9866 | ||
9867 | state->acquire_ctx = ctx; | |
9868 | ||
944b0c76 ACO |
9869 | connector_state = drm_atomic_get_connector_state(state, connector); |
9870 | if (IS_ERR(connector_state)) { | |
9871 | ret = PTR_ERR(connector_state); | |
9872 | goto fail; | |
9873 | } | |
9874 | ||
9875 | connector_state->crtc = crtc; | |
9876 | connector_state->best_encoder = &intel_encoder->base; | |
9877 | ||
4be07317 ACO |
9878 | crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); |
9879 | if (IS_ERR(crtc_state)) { | |
9880 | ret = PTR_ERR(crtc_state); | |
9881 | goto fail; | |
9882 | } | |
9883 | ||
49d6fa21 | 9884 | crtc_state->base.active = crtc_state->base.enable = true; |
4be07317 | 9885 | |
6492711d CW |
9886 | if (!mode) |
9887 | mode = &load_detect_mode; | |
79e53945 | 9888 | |
d2dff872 CW |
9889 | /* We need a framebuffer large enough to accommodate all accesses |
9890 | * that the plane may generate whilst we perform load detection. | |
9891 | * We can not rely on the fbcon either being present (we get called | |
9892 | * during its initialisation to detect all boot displays, or it may | |
9893 | * not even exist) or that it is large enough to satisfy the | |
9894 | * requested mode. | |
9895 | */ | |
94352cf9 DV |
9896 | fb = mode_fits_in_fbdev(dev, mode); |
9897 | if (fb == NULL) { | |
d2dff872 | 9898 | DRM_DEBUG_KMS("creating tmp fb for load-detection\n"); |
94352cf9 DV |
9899 | fb = intel_framebuffer_create_for_mode(dev, mode, 24, 32); |
9900 | old->release_fb = fb; | |
d2dff872 CW |
9901 | } else |
9902 | DRM_DEBUG_KMS("reusing fbdev for load-detection framebuffer\n"); | |
94352cf9 | 9903 | if (IS_ERR(fb)) { |
d2dff872 | 9904 | DRM_DEBUG_KMS("failed to allocate framebuffer for load-detection\n"); |
412b61d8 | 9905 | goto fail; |
79e53945 | 9906 | } |
79e53945 | 9907 | |
d3a40d1b ACO |
9908 | ret = intel_modeset_setup_plane_state(state, crtc, mode, fb, 0, 0); |
9909 | if (ret) | |
9910 | goto fail; | |
9911 | ||
8c7b5ccb ACO |
9912 | drm_mode_copy(&crtc_state->base.mode, mode); |
9913 | ||
9914 | if (intel_set_mode(crtc, state)) { | |
6492711d | 9915 | DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n"); |
d2dff872 CW |
9916 | if (old->release_fb) |
9917 | old->release_fb->funcs->destroy(old->release_fb); | |
412b61d8 | 9918 | goto fail; |
79e53945 | 9919 | } |
9128b040 | 9920 | crtc->primary->crtc = crtc; |
7173188d | 9921 | |
79e53945 | 9922 | /* let the connector get through one full cycle before testing */ |
9d0498a2 | 9923 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
7173188d | 9924 | return true; |
412b61d8 VS |
9925 | |
9926 | fail: | |
83d65738 | 9927 | intel_crtc->new_enabled = crtc->state->enable; |
51fd371b | 9928 | fail_unlock: |
e5d958ef ACO |
9929 | drm_atomic_state_free(state); |
9930 | state = NULL; | |
83a57153 | 9931 | |
51fd371b RC |
9932 | if (ret == -EDEADLK) { |
9933 | drm_modeset_backoff(ctx); | |
9934 | goto retry; | |
9935 | } | |
9936 | ||
412b61d8 | 9937 | return false; |
79e53945 JB |
9938 | } |
9939 | ||
d2434ab7 | 9940 | void intel_release_load_detect_pipe(struct drm_connector *connector, |
49172fee ACO |
9941 | struct intel_load_detect_pipe *old, |
9942 | struct drm_modeset_acquire_ctx *ctx) | |
79e53945 | 9943 | { |
83a57153 | 9944 | struct drm_device *dev = connector->dev; |
d2434ab7 DV |
9945 | struct intel_encoder *intel_encoder = |
9946 | intel_attached_encoder(connector); | |
4ef69c7a | 9947 | struct drm_encoder *encoder = &intel_encoder->base; |
7b24056b | 9948 | struct drm_crtc *crtc = encoder->crtc; |
412b61d8 | 9949 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
83a57153 | 9950 | struct drm_atomic_state *state; |
944b0c76 | 9951 | struct drm_connector_state *connector_state; |
4be07317 | 9952 | struct intel_crtc_state *crtc_state; |
d3a40d1b | 9953 | int ret; |
79e53945 | 9954 | |
d2dff872 | 9955 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
c23cc417 | 9956 | connector->base.id, connector->name, |
8e329a03 | 9957 | encoder->base.id, encoder->name); |
d2dff872 | 9958 | |
8261b191 | 9959 | if (old->load_detect_temp) { |
83a57153 | 9960 | state = drm_atomic_state_alloc(dev); |
944b0c76 ACO |
9961 | if (!state) |
9962 | goto fail; | |
83a57153 ACO |
9963 | |
9964 | state->acquire_ctx = ctx; | |
9965 | ||
944b0c76 ACO |
9966 | connector_state = drm_atomic_get_connector_state(state, connector); |
9967 | if (IS_ERR(connector_state)) | |
9968 | goto fail; | |
9969 | ||
4be07317 ACO |
9970 | crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); |
9971 | if (IS_ERR(crtc_state)) | |
9972 | goto fail; | |
9973 | ||
fc303101 DV |
9974 | to_intel_connector(connector)->new_encoder = NULL; |
9975 | intel_encoder->new_crtc = NULL; | |
412b61d8 | 9976 | intel_crtc->new_enabled = false; |
944b0c76 ACO |
9977 | |
9978 | connector_state->best_encoder = NULL; | |
9979 | connector_state->crtc = NULL; | |
9980 | ||
49d6fa21 | 9981 | crtc_state->base.enable = crtc_state->base.active = false; |
4be07317 | 9982 | |
d3a40d1b ACO |
9983 | ret = intel_modeset_setup_plane_state(state, crtc, NULL, NULL, |
9984 | 0, 0); | |
9985 | if (ret) | |
9986 | goto fail; | |
9987 | ||
2bfb4627 ACO |
9988 | ret = intel_set_mode(crtc, state); |
9989 | if (ret) | |
9990 | goto fail; | |
d2dff872 | 9991 | |
36206361 DV |
9992 | if (old->release_fb) { |
9993 | drm_framebuffer_unregister_private(old->release_fb); | |
9994 | drm_framebuffer_unreference(old->release_fb); | |
9995 | } | |
d2dff872 | 9996 | |
0622a53c | 9997 | return; |
79e53945 JB |
9998 | } |
9999 | ||
c751ce4f | 10000 | /* Switch crtc and encoder back off if necessary */ |
24218aac DV |
10001 | if (old->dpms_mode != DRM_MODE_DPMS_ON) |
10002 | connector->funcs->dpms(connector, old->dpms_mode); | |
944b0c76 ACO |
10003 | |
10004 | return; | |
10005 | fail: | |
10006 | DRM_DEBUG_KMS("Couldn't release load detect pipe.\n"); | |
10007 | drm_atomic_state_free(state); | |
79e53945 JB |
10008 | } |
10009 | ||
da4a1efa | 10010 | static int i9xx_pll_refclk(struct drm_device *dev, |
5cec258b | 10011 | const struct intel_crtc_state *pipe_config) |
da4a1efa VS |
10012 | { |
10013 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10014 | u32 dpll = pipe_config->dpll_hw_state.dpll; | |
10015 | ||
10016 | if ((dpll & PLL_REF_INPUT_MASK) == PLLB_REF_INPUT_SPREADSPECTRUMIN) | |
e91e941b | 10017 | return dev_priv->vbt.lvds_ssc_freq; |
da4a1efa VS |
10018 | else if (HAS_PCH_SPLIT(dev)) |
10019 | return 120000; | |
10020 | else if (!IS_GEN2(dev)) | |
10021 | return 96000; | |
10022 | else | |
10023 | return 48000; | |
10024 | } | |
10025 | ||
79e53945 | 10026 | /* Returns the clock of the currently programmed mode of the given pipe. */ |
f1f644dc | 10027 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 10028 | struct intel_crtc_state *pipe_config) |
79e53945 | 10029 | { |
f1f644dc | 10030 | struct drm_device *dev = crtc->base.dev; |
79e53945 | 10031 | struct drm_i915_private *dev_priv = dev->dev_private; |
f1f644dc | 10032 | int pipe = pipe_config->cpu_transcoder; |
293623f7 | 10033 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
79e53945 JB |
10034 | u32 fp; |
10035 | intel_clock_t clock; | |
da4a1efa | 10036 | int refclk = i9xx_pll_refclk(dev, pipe_config); |
79e53945 JB |
10037 | |
10038 | if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) | |
293623f7 | 10039 | fp = pipe_config->dpll_hw_state.fp0; |
79e53945 | 10040 | else |
293623f7 | 10041 | fp = pipe_config->dpll_hw_state.fp1; |
79e53945 JB |
10042 | |
10043 | clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; | |
f2b115e6 AJ |
10044 | if (IS_PINEVIEW(dev)) { |
10045 | clock.n = ffs((fp & FP_N_PINEVIEW_DIV_MASK) >> FP_N_DIV_SHIFT) - 1; | |
10046 | clock.m2 = (fp & FP_M2_PINEVIEW_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
2177832f SL |
10047 | } else { |
10048 | clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; | |
10049 | clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
10050 | } | |
10051 | ||
a6c45cf0 | 10052 | if (!IS_GEN2(dev)) { |
f2b115e6 AJ |
10053 | if (IS_PINEVIEW(dev)) |
10054 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW) >> | |
10055 | DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW); | |
2177832f SL |
10056 | else |
10057 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >> | |
79e53945 JB |
10058 | DPLL_FPA01_P1_POST_DIV_SHIFT); |
10059 | ||
10060 | switch (dpll & DPLL_MODE_MASK) { | |
10061 | case DPLLB_MODE_DAC_SERIAL: | |
10062 | clock.p2 = dpll & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ? | |
10063 | 5 : 10; | |
10064 | break; | |
10065 | case DPLLB_MODE_LVDS: | |
10066 | clock.p2 = dpll & DPLLB_LVDS_P2_CLOCK_DIV_7 ? | |
10067 | 7 : 14; | |
10068 | break; | |
10069 | default: | |
28c97730 | 10070 | DRM_DEBUG_KMS("Unknown DPLL mode %08x in programmed " |
79e53945 | 10071 | "mode\n", (int)(dpll & DPLL_MODE_MASK)); |
f1f644dc | 10072 | return; |
79e53945 JB |
10073 | } |
10074 | ||
ac58c3f0 | 10075 | if (IS_PINEVIEW(dev)) |
da4a1efa | 10076 | pineview_clock(refclk, &clock); |
ac58c3f0 | 10077 | else |
da4a1efa | 10078 | i9xx_clock(refclk, &clock); |
79e53945 | 10079 | } else { |
0fb58223 | 10080 | u32 lvds = IS_I830(dev) ? 0 : I915_READ(LVDS); |
b1c560d1 | 10081 | bool is_lvds = (pipe == 1) && (lvds & LVDS_PORT_EN); |
79e53945 JB |
10082 | |
10083 | if (is_lvds) { | |
10084 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> | |
10085 | DPLL_FPA01_P1_POST_DIV_SHIFT); | |
b1c560d1 VS |
10086 | |
10087 | if (lvds & LVDS_CLKB_POWER_UP) | |
10088 | clock.p2 = 7; | |
10089 | else | |
10090 | clock.p2 = 14; | |
79e53945 JB |
10091 | } else { |
10092 | if (dpll & PLL_P1_DIVIDE_BY_TWO) | |
10093 | clock.p1 = 2; | |
10094 | else { | |
10095 | clock.p1 = ((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830) >> | |
10096 | DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; | |
10097 | } | |
10098 | if (dpll & PLL_P2_DIVIDE_BY_4) | |
10099 | clock.p2 = 4; | |
10100 | else | |
10101 | clock.p2 = 2; | |
79e53945 | 10102 | } |
da4a1efa VS |
10103 | |
10104 | i9xx_clock(refclk, &clock); | |
79e53945 JB |
10105 | } |
10106 | ||
18442d08 VS |
10107 | /* |
10108 | * This value includes pixel_multiplier. We will use | |
241bfc38 | 10109 | * port_clock to compute adjusted_mode.crtc_clock in the |
18442d08 VS |
10110 | * encoder's get_config() function. |
10111 | */ | |
10112 | pipe_config->port_clock = clock.dot; | |
f1f644dc JB |
10113 | } |
10114 | ||
6878da05 VS |
10115 | int intel_dotclock_calculate(int link_freq, |
10116 | const struct intel_link_m_n *m_n) | |
f1f644dc | 10117 | { |
f1f644dc JB |
10118 | /* |
10119 | * The calculation for the data clock is: | |
1041a02f | 10120 | * pixel_clock = ((m/n)*(link_clock * nr_lanes))/bpp |
f1f644dc | 10121 | * But we want to avoid losing precison if possible, so: |
1041a02f | 10122 | * pixel_clock = ((m * link_clock * nr_lanes)/(n*bpp)) |
f1f644dc JB |
10123 | * |
10124 | * and the link clock is simpler: | |
1041a02f | 10125 | * link_clock = (m * link_clock) / n |
f1f644dc JB |
10126 | */ |
10127 | ||
6878da05 VS |
10128 | if (!m_n->link_n) |
10129 | return 0; | |
f1f644dc | 10130 | |
6878da05 VS |
10131 | return div_u64((u64)m_n->link_m * link_freq, m_n->link_n); |
10132 | } | |
f1f644dc | 10133 | |
18442d08 | 10134 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
5cec258b | 10135 | struct intel_crtc_state *pipe_config) |
6878da05 VS |
10136 | { |
10137 | struct drm_device *dev = crtc->base.dev; | |
79e53945 | 10138 | |
18442d08 VS |
10139 | /* read out port_clock from the DPLL */ |
10140 | i9xx_crtc_clock_get(crtc, pipe_config); | |
f1f644dc | 10141 | |
f1f644dc | 10142 | /* |
18442d08 | 10143 | * This value does not include pixel_multiplier. |
241bfc38 | 10144 | * We will check that port_clock and adjusted_mode.crtc_clock |
18442d08 VS |
10145 | * agree once we know their relationship in the encoder's |
10146 | * get_config() function. | |
79e53945 | 10147 | */ |
2d112de7 | 10148 | pipe_config->base.adjusted_mode.crtc_clock = |
18442d08 VS |
10149 | intel_dotclock_calculate(intel_fdi_link_freq(dev) * 10000, |
10150 | &pipe_config->fdi_m_n); | |
79e53945 JB |
10151 | } |
10152 | ||
10153 | /** Returns the currently programmed mode of the given pipe. */ | |
10154 | struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, | |
10155 | struct drm_crtc *crtc) | |
10156 | { | |
548f245b | 10157 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 | 10158 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6e3c9717 | 10159 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
79e53945 | 10160 | struct drm_display_mode *mode; |
5cec258b | 10161 | struct intel_crtc_state pipe_config; |
fe2b8f9d PZ |
10162 | int htot = I915_READ(HTOTAL(cpu_transcoder)); |
10163 | int hsync = I915_READ(HSYNC(cpu_transcoder)); | |
10164 | int vtot = I915_READ(VTOTAL(cpu_transcoder)); | |
10165 | int vsync = I915_READ(VSYNC(cpu_transcoder)); | |
293623f7 | 10166 | enum pipe pipe = intel_crtc->pipe; |
79e53945 JB |
10167 | |
10168 | mode = kzalloc(sizeof(*mode), GFP_KERNEL); | |
10169 | if (!mode) | |
10170 | return NULL; | |
10171 | ||
f1f644dc JB |
10172 | /* |
10173 | * Construct a pipe_config sufficient for getting the clock info | |
10174 | * back out of crtc_clock_get. | |
10175 | * | |
10176 | * Note, if LVDS ever uses a non-1 pixel multiplier, we'll need | |
10177 | * to use a real value here instead. | |
10178 | */ | |
293623f7 | 10179 | pipe_config.cpu_transcoder = (enum transcoder) pipe; |
f1f644dc | 10180 | pipe_config.pixel_multiplier = 1; |
293623f7 VS |
10181 | pipe_config.dpll_hw_state.dpll = I915_READ(DPLL(pipe)); |
10182 | pipe_config.dpll_hw_state.fp0 = I915_READ(FP0(pipe)); | |
10183 | pipe_config.dpll_hw_state.fp1 = I915_READ(FP1(pipe)); | |
f1f644dc JB |
10184 | i9xx_crtc_clock_get(intel_crtc, &pipe_config); |
10185 | ||
773ae034 | 10186 | mode->clock = pipe_config.port_clock / pipe_config.pixel_multiplier; |
79e53945 JB |
10187 | mode->hdisplay = (htot & 0xffff) + 1; |
10188 | mode->htotal = ((htot & 0xffff0000) >> 16) + 1; | |
10189 | mode->hsync_start = (hsync & 0xffff) + 1; | |
10190 | mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; | |
10191 | mode->vdisplay = (vtot & 0xffff) + 1; | |
10192 | mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; | |
10193 | mode->vsync_start = (vsync & 0xffff) + 1; | |
10194 | mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; | |
10195 | ||
10196 | drm_mode_set_name(mode); | |
79e53945 JB |
10197 | |
10198 | return mode; | |
10199 | } | |
10200 | ||
652c393a JB |
10201 | static void intel_decrease_pllclock(struct drm_crtc *crtc) |
10202 | { | |
10203 | struct drm_device *dev = crtc->dev; | |
fbee40df | 10204 | struct drm_i915_private *dev_priv = dev->dev_private; |
652c393a | 10205 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
652c393a | 10206 | |
baff296c | 10207 | if (!HAS_GMCH_DISPLAY(dev)) |
652c393a JB |
10208 | return; |
10209 | ||
10210 | if (!dev_priv->lvds_downclock_avail) | |
10211 | return; | |
10212 | ||
10213 | /* | |
10214 | * Since this is called by a timer, we should never get here in | |
10215 | * the manual case. | |
10216 | */ | |
10217 | if (!HAS_PIPE_CXSR(dev) && intel_crtc->lowfreq_avail) { | |
dc257cf1 DV |
10218 | int pipe = intel_crtc->pipe; |
10219 | int dpll_reg = DPLL(pipe); | |
10220 | int dpll; | |
f6e5b160 | 10221 | |
44d98a61 | 10222 | DRM_DEBUG_DRIVER("downclocking LVDS\n"); |
652c393a | 10223 | |
8ac5a6d5 | 10224 | assert_panel_unlocked(dev_priv, pipe); |
652c393a | 10225 | |
dc257cf1 | 10226 | dpll = I915_READ(dpll_reg); |
652c393a JB |
10227 | dpll |= DISPLAY_RATE_SELECT_FPA1; |
10228 | I915_WRITE(dpll_reg, dpll); | |
9d0498a2 | 10229 | intel_wait_for_vblank(dev, pipe); |
652c393a JB |
10230 | dpll = I915_READ(dpll_reg); |
10231 | if (!(dpll & DISPLAY_RATE_SELECT_FPA1)) | |
44d98a61 | 10232 | DRM_DEBUG_DRIVER("failed to downclock LVDS!\n"); |
652c393a JB |
10233 | } |
10234 | ||
10235 | } | |
10236 | ||
f047e395 CW |
10237 | void intel_mark_busy(struct drm_device *dev) |
10238 | { | |
c67a470b PZ |
10239 | struct drm_i915_private *dev_priv = dev->dev_private; |
10240 | ||
f62a0076 CW |
10241 | if (dev_priv->mm.busy) |
10242 | return; | |
10243 | ||
43694d69 | 10244 | intel_runtime_pm_get(dev_priv); |
c67a470b | 10245 | i915_update_gfx_val(dev_priv); |
43cf3bf0 CW |
10246 | if (INTEL_INFO(dev)->gen >= 6) |
10247 | gen6_rps_busy(dev_priv); | |
f62a0076 | 10248 | dev_priv->mm.busy = true; |
f047e395 CW |
10249 | } |
10250 | ||
10251 | void intel_mark_idle(struct drm_device *dev) | |
652c393a | 10252 | { |
c67a470b | 10253 | struct drm_i915_private *dev_priv = dev->dev_private; |
652c393a | 10254 | struct drm_crtc *crtc; |
652c393a | 10255 | |
f62a0076 CW |
10256 | if (!dev_priv->mm.busy) |
10257 | return; | |
10258 | ||
10259 | dev_priv->mm.busy = false; | |
10260 | ||
70e1e0ec | 10261 | for_each_crtc(dev, crtc) { |
f4510a27 | 10262 | if (!crtc->primary->fb) |
652c393a JB |
10263 | continue; |
10264 | ||
725a5b54 | 10265 | intel_decrease_pllclock(crtc); |
652c393a | 10266 | } |
b29c19b6 | 10267 | |
3d13ef2e | 10268 | if (INTEL_INFO(dev)->gen >= 6) |
b29c19b6 | 10269 | gen6_rps_idle(dev->dev_private); |
bb4cdd53 | 10270 | |
43694d69 | 10271 | intel_runtime_pm_put(dev_priv); |
652c393a JB |
10272 | } |
10273 | ||
79e53945 JB |
10274 | static void intel_crtc_destroy(struct drm_crtc *crtc) |
10275 | { | |
10276 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
67e77c5a DV |
10277 | struct drm_device *dev = crtc->dev; |
10278 | struct intel_unpin_work *work; | |
67e77c5a | 10279 | |
5e2d7afc | 10280 | spin_lock_irq(&dev->event_lock); |
67e77c5a DV |
10281 | work = intel_crtc->unpin_work; |
10282 | intel_crtc->unpin_work = NULL; | |
5e2d7afc | 10283 | spin_unlock_irq(&dev->event_lock); |
67e77c5a DV |
10284 | |
10285 | if (work) { | |
10286 | cancel_work_sync(&work->work); | |
10287 | kfree(work); | |
10288 | } | |
79e53945 JB |
10289 | |
10290 | drm_crtc_cleanup(crtc); | |
67e77c5a | 10291 | |
79e53945 JB |
10292 | kfree(intel_crtc); |
10293 | } | |
10294 | ||
6b95a207 KH |
10295 | static void intel_unpin_work_fn(struct work_struct *__work) |
10296 | { | |
10297 | struct intel_unpin_work *work = | |
10298 | container_of(__work, struct intel_unpin_work, work); | |
b4a98e57 | 10299 | struct drm_device *dev = work->crtc->dev; |
f99d7069 | 10300 | enum pipe pipe = to_intel_crtc(work->crtc)->pipe; |
6b95a207 | 10301 | |
b4a98e57 | 10302 | mutex_lock(&dev->struct_mutex); |
82bc3b2d | 10303 | intel_unpin_fb_obj(work->old_fb, work->crtc->primary->state); |
05394f39 | 10304 | drm_gem_object_unreference(&work->pending_flip_obj->base); |
d9e86c0e | 10305 | |
7ff0ebcc | 10306 | intel_fbc_update(dev); |
f06cc1b9 JH |
10307 | |
10308 | if (work->flip_queued_req) | |
146d84f0 | 10309 | i915_gem_request_assign(&work->flip_queued_req, NULL); |
b4a98e57 CW |
10310 | mutex_unlock(&dev->struct_mutex); |
10311 | ||
f99d7069 | 10312 | intel_frontbuffer_flip_complete(dev, INTEL_FRONTBUFFER_PRIMARY(pipe)); |
89ed88ba | 10313 | drm_framebuffer_unreference(work->old_fb); |
f99d7069 | 10314 | |
b4a98e57 CW |
10315 | BUG_ON(atomic_read(&to_intel_crtc(work->crtc)->unpin_work_count) == 0); |
10316 | atomic_dec(&to_intel_crtc(work->crtc)->unpin_work_count); | |
10317 | ||
6b95a207 KH |
10318 | kfree(work); |
10319 | } | |
10320 | ||
1afe3e9d | 10321 | static void do_intel_finish_page_flip(struct drm_device *dev, |
49b14a5c | 10322 | struct drm_crtc *crtc) |
6b95a207 | 10323 | { |
6b95a207 KH |
10324 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
10325 | struct intel_unpin_work *work; | |
6b95a207 KH |
10326 | unsigned long flags; |
10327 | ||
10328 | /* Ignore early vblank irqs */ | |
10329 | if (intel_crtc == NULL) | |
10330 | return; | |
10331 | ||
f326038a DV |
10332 | /* |
10333 | * This is called both by irq handlers and the reset code (to complete | |
10334 | * lost pageflips) so needs the full irqsave spinlocks. | |
10335 | */ | |
6b95a207 KH |
10336 | spin_lock_irqsave(&dev->event_lock, flags); |
10337 | work = intel_crtc->unpin_work; | |
e7d841ca CW |
10338 | |
10339 | /* Ensure we don't miss a work->pending update ... */ | |
10340 | smp_rmb(); | |
10341 | ||
10342 | if (work == NULL || atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) { | |
6b95a207 KH |
10343 | spin_unlock_irqrestore(&dev->event_lock, flags); |
10344 | return; | |
10345 | } | |
10346 | ||
d6bbafa1 | 10347 | page_flip_completed(intel_crtc); |
0af7e4df | 10348 | |
6b95a207 | 10349 | spin_unlock_irqrestore(&dev->event_lock, flags); |
6b95a207 KH |
10350 | } |
10351 | ||
1afe3e9d JB |
10352 | void intel_finish_page_flip(struct drm_device *dev, int pipe) |
10353 | { | |
fbee40df | 10354 | struct drm_i915_private *dev_priv = dev->dev_private; |
1afe3e9d JB |
10355 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
10356 | ||
49b14a5c | 10357 | do_intel_finish_page_flip(dev, crtc); |
1afe3e9d JB |
10358 | } |
10359 | ||
10360 | void intel_finish_page_flip_plane(struct drm_device *dev, int plane) | |
10361 | { | |
fbee40df | 10362 | struct drm_i915_private *dev_priv = dev->dev_private; |
1afe3e9d JB |
10363 | struct drm_crtc *crtc = dev_priv->plane_to_crtc_mapping[plane]; |
10364 | ||
49b14a5c | 10365 | do_intel_finish_page_flip(dev, crtc); |
1afe3e9d JB |
10366 | } |
10367 | ||
75f7f3ec VS |
10368 | /* Is 'a' after or equal to 'b'? */ |
10369 | static bool g4x_flip_count_after_eq(u32 a, u32 b) | |
10370 | { | |
10371 | return !((a - b) & 0x80000000); | |
10372 | } | |
10373 | ||
10374 | static bool page_flip_finished(struct intel_crtc *crtc) | |
10375 | { | |
10376 | struct drm_device *dev = crtc->base.dev; | |
10377 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10378 | ||
bdfa7542 VS |
10379 | if (i915_reset_in_progress(&dev_priv->gpu_error) || |
10380 | crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter)) | |
10381 | return true; | |
10382 | ||
75f7f3ec VS |
10383 | /* |
10384 | * The relevant registers doen't exist on pre-ctg. | |
10385 | * As the flip done interrupt doesn't trigger for mmio | |
10386 | * flips on gmch platforms, a flip count check isn't | |
10387 | * really needed there. But since ctg has the registers, | |
10388 | * include it in the check anyway. | |
10389 | */ | |
10390 | if (INTEL_INFO(dev)->gen < 5 && !IS_G4X(dev)) | |
10391 | return true; | |
10392 | ||
10393 | /* | |
10394 | * A DSPSURFLIVE check isn't enough in case the mmio and CS flips | |
10395 | * used the same base address. In that case the mmio flip might | |
10396 | * have completed, but the CS hasn't even executed the flip yet. | |
10397 | * | |
10398 | * A flip count check isn't enough as the CS might have updated | |
10399 | * the base address just after start of vblank, but before we | |
10400 | * managed to process the interrupt. This means we'd complete the | |
10401 | * CS flip too soon. | |
10402 | * | |
10403 | * Combining both checks should get us a good enough result. It may | |
10404 | * still happen that the CS flip has been executed, but has not | |
10405 | * yet actually completed. But in case the base address is the same | |
10406 | * anyway, we don't really care. | |
10407 | */ | |
10408 | return (I915_READ(DSPSURFLIVE(crtc->plane)) & ~0xfff) == | |
10409 | crtc->unpin_work->gtt_offset && | |
10410 | g4x_flip_count_after_eq(I915_READ(PIPE_FLIPCOUNT_GM45(crtc->pipe)), | |
10411 | crtc->unpin_work->flip_count); | |
10412 | } | |
10413 | ||
6b95a207 KH |
10414 | void intel_prepare_page_flip(struct drm_device *dev, int plane) |
10415 | { | |
fbee40df | 10416 | struct drm_i915_private *dev_priv = dev->dev_private; |
6b95a207 KH |
10417 | struct intel_crtc *intel_crtc = |
10418 | to_intel_crtc(dev_priv->plane_to_crtc_mapping[plane]); | |
10419 | unsigned long flags; | |
10420 | ||
f326038a DV |
10421 | |
10422 | /* | |
10423 | * This is called both by irq handlers and the reset code (to complete | |
10424 | * lost pageflips) so needs the full irqsave spinlocks. | |
10425 | * | |
10426 | * NB: An MMIO update of the plane base pointer will also | |
e7d841ca CW |
10427 | * generate a page-flip completion irq, i.e. every modeset |
10428 | * is also accompanied by a spurious intel_prepare_page_flip(). | |
10429 | */ | |
6b95a207 | 10430 | spin_lock_irqsave(&dev->event_lock, flags); |
75f7f3ec | 10431 | if (intel_crtc->unpin_work && page_flip_finished(intel_crtc)) |
e7d841ca | 10432 | atomic_inc_not_zero(&intel_crtc->unpin_work->pending); |
6b95a207 KH |
10433 | spin_unlock_irqrestore(&dev->event_lock, flags); |
10434 | } | |
10435 | ||
eba905b2 | 10436 | static inline void intel_mark_page_flip_active(struct intel_crtc *intel_crtc) |
e7d841ca CW |
10437 | { |
10438 | /* Ensure that the work item is consistent when activating it ... */ | |
10439 | smp_wmb(); | |
10440 | atomic_set(&intel_crtc->unpin_work->pending, INTEL_FLIP_PENDING); | |
10441 | /* and that it is marked active as soon as the irq could fire. */ | |
10442 | smp_wmb(); | |
10443 | } | |
10444 | ||
8c9f3aaf JB |
10445 | static int intel_gen2_queue_flip(struct drm_device *dev, |
10446 | struct drm_crtc *crtc, | |
10447 | struct drm_framebuffer *fb, | |
ed8d1975 | 10448 | struct drm_i915_gem_object *obj, |
a4872ba6 | 10449 | struct intel_engine_cs *ring, |
ed8d1975 | 10450 | uint32_t flags) |
8c9f3aaf | 10451 | { |
8c9f3aaf | 10452 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8c9f3aaf JB |
10453 | u32 flip_mask; |
10454 | int ret; | |
10455 | ||
6d90c952 | 10456 | ret = intel_ring_begin(ring, 6); |
8c9f3aaf | 10457 | if (ret) |
4fa62c89 | 10458 | return ret; |
8c9f3aaf JB |
10459 | |
10460 | /* Can't queue multiple flips, so wait for the previous | |
10461 | * one to finish before executing the next. | |
10462 | */ | |
10463 | if (intel_crtc->plane) | |
10464 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
10465 | else | |
10466 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
6d90c952 DV |
10467 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
10468 | intel_ring_emit(ring, MI_NOOP); | |
10469 | intel_ring_emit(ring, MI_DISPLAY_FLIP | | |
10470 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
10471 | intel_ring_emit(ring, fb->pitches[0]); | |
75f7f3ec | 10472 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
6d90c952 | 10473 | intel_ring_emit(ring, 0); /* aux display base address, unused */ |
e7d841ca CW |
10474 | |
10475 | intel_mark_page_flip_active(intel_crtc); | |
09246732 | 10476 | __intel_ring_advance(ring); |
83d4092b | 10477 | return 0; |
8c9f3aaf JB |
10478 | } |
10479 | ||
10480 | static int intel_gen3_queue_flip(struct drm_device *dev, | |
10481 | struct drm_crtc *crtc, | |
10482 | struct drm_framebuffer *fb, | |
ed8d1975 | 10483 | struct drm_i915_gem_object *obj, |
a4872ba6 | 10484 | struct intel_engine_cs *ring, |
ed8d1975 | 10485 | uint32_t flags) |
8c9f3aaf | 10486 | { |
8c9f3aaf | 10487 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8c9f3aaf JB |
10488 | u32 flip_mask; |
10489 | int ret; | |
10490 | ||
6d90c952 | 10491 | ret = intel_ring_begin(ring, 6); |
8c9f3aaf | 10492 | if (ret) |
4fa62c89 | 10493 | return ret; |
8c9f3aaf JB |
10494 | |
10495 | if (intel_crtc->plane) | |
10496 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
10497 | else | |
10498 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
6d90c952 DV |
10499 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
10500 | intel_ring_emit(ring, MI_NOOP); | |
10501 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | | |
10502 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
10503 | intel_ring_emit(ring, fb->pitches[0]); | |
75f7f3ec | 10504 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
6d90c952 DV |
10505 | intel_ring_emit(ring, MI_NOOP); |
10506 | ||
e7d841ca | 10507 | intel_mark_page_flip_active(intel_crtc); |
09246732 | 10508 | __intel_ring_advance(ring); |
83d4092b | 10509 | return 0; |
8c9f3aaf JB |
10510 | } |
10511 | ||
10512 | static int intel_gen4_queue_flip(struct drm_device *dev, | |
10513 | struct drm_crtc *crtc, | |
10514 | struct drm_framebuffer *fb, | |
ed8d1975 | 10515 | struct drm_i915_gem_object *obj, |
a4872ba6 | 10516 | struct intel_engine_cs *ring, |
ed8d1975 | 10517 | uint32_t flags) |
8c9f3aaf JB |
10518 | { |
10519 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10520 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
10521 | uint32_t pf, pipesrc; | |
10522 | int ret; | |
10523 | ||
6d90c952 | 10524 | ret = intel_ring_begin(ring, 4); |
8c9f3aaf | 10525 | if (ret) |
4fa62c89 | 10526 | return ret; |
8c9f3aaf JB |
10527 | |
10528 | /* i965+ uses the linear or tiled offsets from the | |
10529 | * Display Registers (which do not change across a page-flip) | |
10530 | * so we need only reprogram the base address. | |
10531 | */ | |
6d90c952 DV |
10532 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
10533 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
10534 | intel_ring_emit(ring, fb->pitches[0]); | |
75f7f3ec | 10535 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset | |
c2c75131 | 10536 | obj->tiling_mode); |
8c9f3aaf JB |
10537 | |
10538 | /* XXX Enabling the panel-fitter across page-flip is so far | |
10539 | * untested on non-native modes, so ignore it for now. | |
10540 | * pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE; | |
10541 | */ | |
10542 | pf = 0; | |
10543 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; | |
6d90c952 | 10544 | intel_ring_emit(ring, pf | pipesrc); |
e7d841ca CW |
10545 | |
10546 | intel_mark_page_flip_active(intel_crtc); | |
09246732 | 10547 | __intel_ring_advance(ring); |
83d4092b | 10548 | return 0; |
8c9f3aaf JB |
10549 | } |
10550 | ||
10551 | static int intel_gen6_queue_flip(struct drm_device *dev, | |
10552 | struct drm_crtc *crtc, | |
10553 | struct drm_framebuffer *fb, | |
ed8d1975 | 10554 | struct drm_i915_gem_object *obj, |
a4872ba6 | 10555 | struct intel_engine_cs *ring, |
ed8d1975 | 10556 | uint32_t flags) |
8c9f3aaf JB |
10557 | { |
10558 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10559 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
10560 | uint32_t pf, pipesrc; | |
10561 | int ret; | |
10562 | ||
6d90c952 | 10563 | ret = intel_ring_begin(ring, 4); |
8c9f3aaf | 10564 | if (ret) |
4fa62c89 | 10565 | return ret; |
8c9f3aaf | 10566 | |
6d90c952 DV |
10567 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
10568 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
10569 | intel_ring_emit(ring, fb->pitches[0] | obj->tiling_mode); | |
75f7f3ec | 10570 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
8c9f3aaf | 10571 | |
dc257cf1 DV |
10572 | /* Contrary to the suggestions in the documentation, |
10573 | * "Enable Panel Fitter" does not seem to be required when page | |
10574 | * flipping with a non-native mode, and worse causes a normal | |
10575 | * modeset to fail. | |
10576 | * pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE; | |
10577 | */ | |
10578 | pf = 0; | |
8c9f3aaf | 10579 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; |
6d90c952 | 10580 | intel_ring_emit(ring, pf | pipesrc); |
e7d841ca CW |
10581 | |
10582 | intel_mark_page_flip_active(intel_crtc); | |
09246732 | 10583 | __intel_ring_advance(ring); |
83d4092b | 10584 | return 0; |
8c9f3aaf JB |
10585 | } |
10586 | ||
7c9017e5 JB |
10587 | static int intel_gen7_queue_flip(struct drm_device *dev, |
10588 | struct drm_crtc *crtc, | |
10589 | struct drm_framebuffer *fb, | |
ed8d1975 | 10590 | struct drm_i915_gem_object *obj, |
a4872ba6 | 10591 | struct intel_engine_cs *ring, |
ed8d1975 | 10592 | uint32_t flags) |
7c9017e5 | 10593 | { |
7c9017e5 | 10594 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
cb05d8de | 10595 | uint32_t plane_bit = 0; |
ffe74d75 CW |
10596 | int len, ret; |
10597 | ||
eba905b2 | 10598 | switch (intel_crtc->plane) { |
cb05d8de DV |
10599 | case PLANE_A: |
10600 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_A; | |
10601 | break; | |
10602 | case PLANE_B: | |
10603 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_B; | |
10604 | break; | |
10605 | case PLANE_C: | |
10606 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_C; | |
10607 | break; | |
10608 | default: | |
10609 | WARN_ONCE(1, "unknown plane in flip command\n"); | |
4fa62c89 | 10610 | return -ENODEV; |
cb05d8de DV |
10611 | } |
10612 | ||
ffe74d75 | 10613 | len = 4; |
f476828a | 10614 | if (ring->id == RCS) { |
ffe74d75 | 10615 | len += 6; |
f476828a DL |
10616 | /* |
10617 | * On Gen 8, SRM is now taking an extra dword to accommodate | |
10618 | * 48bits addresses, and we need a NOOP for the batch size to | |
10619 | * stay even. | |
10620 | */ | |
10621 | if (IS_GEN8(dev)) | |
10622 | len += 2; | |
10623 | } | |
ffe74d75 | 10624 | |
f66fab8e VS |
10625 | /* |
10626 | * BSpec MI_DISPLAY_FLIP for IVB: | |
10627 | * "The full packet must be contained within the same cache line." | |
10628 | * | |
10629 | * Currently the LRI+SRM+MI_DISPLAY_FLIP all fit within the same | |
10630 | * cacheline, if we ever start emitting more commands before | |
10631 | * the MI_DISPLAY_FLIP we may need to first emit everything else, | |
10632 | * then do the cacheline alignment, and finally emit the | |
10633 | * MI_DISPLAY_FLIP. | |
10634 | */ | |
10635 | ret = intel_ring_cacheline_align(ring); | |
10636 | if (ret) | |
4fa62c89 | 10637 | return ret; |
f66fab8e | 10638 | |
ffe74d75 | 10639 | ret = intel_ring_begin(ring, len); |
7c9017e5 | 10640 | if (ret) |
4fa62c89 | 10641 | return ret; |
7c9017e5 | 10642 | |
ffe74d75 CW |
10643 | /* Unmask the flip-done completion message. Note that the bspec says that |
10644 | * we should do this for both the BCS and RCS, and that we must not unmask | |
10645 | * more than one flip event at any time (or ensure that one flip message | |
10646 | * can be sent by waiting for flip-done prior to queueing new flips). | |
10647 | * Experimentation says that BCS works despite DERRMR masking all | |
10648 | * flip-done completion events and that unmasking all planes at once | |
10649 | * for the RCS also doesn't appear to drop events. Setting the DERRMR | |
10650 | * to zero does lead to lockups within MI_DISPLAY_FLIP. | |
10651 | */ | |
10652 | if (ring->id == RCS) { | |
10653 | intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1)); | |
10654 | intel_ring_emit(ring, DERRMR); | |
10655 | intel_ring_emit(ring, ~(DERRMR_PIPEA_PRI_FLIP_DONE | | |
10656 | DERRMR_PIPEB_PRI_FLIP_DONE | | |
10657 | DERRMR_PIPEC_PRI_FLIP_DONE)); | |
f476828a DL |
10658 | if (IS_GEN8(dev)) |
10659 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM_GEN8(1) | | |
10660 | MI_SRM_LRM_GLOBAL_GTT); | |
10661 | else | |
10662 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM(1) | | |
10663 | MI_SRM_LRM_GLOBAL_GTT); | |
ffe74d75 CW |
10664 | intel_ring_emit(ring, DERRMR); |
10665 | intel_ring_emit(ring, ring->scratch.gtt_offset + 256); | |
f476828a DL |
10666 | if (IS_GEN8(dev)) { |
10667 | intel_ring_emit(ring, 0); | |
10668 | intel_ring_emit(ring, MI_NOOP); | |
10669 | } | |
ffe74d75 CW |
10670 | } |
10671 | ||
cb05d8de | 10672 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit); |
01f2c773 | 10673 | intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); |
75f7f3ec | 10674 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
7c9017e5 | 10675 | intel_ring_emit(ring, (MI_NOOP)); |
e7d841ca CW |
10676 | |
10677 | intel_mark_page_flip_active(intel_crtc); | |
09246732 | 10678 | __intel_ring_advance(ring); |
83d4092b | 10679 | return 0; |
7c9017e5 JB |
10680 | } |
10681 | ||
84c33a64 SG |
10682 | static bool use_mmio_flip(struct intel_engine_cs *ring, |
10683 | struct drm_i915_gem_object *obj) | |
10684 | { | |
10685 | /* | |
10686 | * This is not being used for older platforms, because | |
10687 | * non-availability of flip done interrupt forces us to use | |
10688 | * CS flips. Older platforms derive flip done using some clever | |
10689 | * tricks involving the flip_pending status bits and vblank irqs. | |
10690 | * So using MMIO flips there would disrupt this mechanism. | |
10691 | */ | |
10692 | ||
8e09bf83 CW |
10693 | if (ring == NULL) |
10694 | return true; | |
10695 | ||
84c33a64 SG |
10696 | if (INTEL_INFO(ring->dev)->gen < 5) |
10697 | return false; | |
10698 | ||
10699 | if (i915.use_mmio_flip < 0) | |
10700 | return false; | |
10701 | else if (i915.use_mmio_flip > 0) | |
10702 | return true; | |
14bf993e OM |
10703 | else if (i915.enable_execlists) |
10704 | return true; | |
84c33a64 | 10705 | else |
41c52415 | 10706 | return ring != i915_gem_request_get_ring(obj->last_read_req); |
84c33a64 SG |
10707 | } |
10708 | ||
ff944564 DL |
10709 | static void skl_do_mmio_flip(struct intel_crtc *intel_crtc) |
10710 | { | |
10711 | struct drm_device *dev = intel_crtc->base.dev; | |
10712 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10713 | struct drm_framebuffer *fb = intel_crtc->base.primary->fb; | |
ff944564 DL |
10714 | const enum pipe pipe = intel_crtc->pipe; |
10715 | u32 ctl, stride; | |
10716 | ||
10717 | ctl = I915_READ(PLANE_CTL(pipe, 0)); | |
10718 | ctl &= ~PLANE_CTL_TILED_MASK; | |
2ebef630 TU |
10719 | switch (fb->modifier[0]) { |
10720 | case DRM_FORMAT_MOD_NONE: | |
10721 | break; | |
10722 | case I915_FORMAT_MOD_X_TILED: | |
ff944564 | 10723 | ctl |= PLANE_CTL_TILED_X; |
2ebef630 TU |
10724 | break; |
10725 | case I915_FORMAT_MOD_Y_TILED: | |
10726 | ctl |= PLANE_CTL_TILED_Y; | |
10727 | break; | |
10728 | case I915_FORMAT_MOD_Yf_TILED: | |
10729 | ctl |= PLANE_CTL_TILED_YF; | |
10730 | break; | |
10731 | default: | |
10732 | MISSING_CASE(fb->modifier[0]); | |
10733 | } | |
ff944564 DL |
10734 | |
10735 | /* | |
10736 | * The stride is either expressed as a multiple of 64 bytes chunks for | |
10737 | * linear buffers or in number of tiles for tiled buffers. | |
10738 | */ | |
2ebef630 TU |
10739 | stride = fb->pitches[0] / |
10740 | intel_fb_stride_alignment(dev, fb->modifier[0], | |
10741 | fb->pixel_format); | |
ff944564 DL |
10742 | |
10743 | /* | |
10744 | * Both PLANE_CTL and PLANE_STRIDE are not updated on vblank but on | |
10745 | * PLANE_SURF updates, the update is then guaranteed to be atomic. | |
10746 | */ | |
10747 | I915_WRITE(PLANE_CTL(pipe, 0), ctl); | |
10748 | I915_WRITE(PLANE_STRIDE(pipe, 0), stride); | |
10749 | ||
10750 | I915_WRITE(PLANE_SURF(pipe, 0), intel_crtc->unpin_work->gtt_offset); | |
10751 | POSTING_READ(PLANE_SURF(pipe, 0)); | |
10752 | } | |
10753 | ||
10754 | static void ilk_do_mmio_flip(struct intel_crtc *intel_crtc) | |
84c33a64 SG |
10755 | { |
10756 | struct drm_device *dev = intel_crtc->base.dev; | |
10757 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10758 | struct intel_framebuffer *intel_fb = | |
10759 | to_intel_framebuffer(intel_crtc->base.primary->fb); | |
10760 | struct drm_i915_gem_object *obj = intel_fb->obj; | |
10761 | u32 dspcntr; | |
10762 | u32 reg; | |
10763 | ||
84c33a64 SG |
10764 | reg = DSPCNTR(intel_crtc->plane); |
10765 | dspcntr = I915_READ(reg); | |
10766 | ||
c5d97472 DL |
10767 | if (obj->tiling_mode != I915_TILING_NONE) |
10768 | dspcntr |= DISPPLANE_TILED; | |
10769 | else | |
10770 | dspcntr &= ~DISPPLANE_TILED; | |
10771 | ||
84c33a64 SG |
10772 | I915_WRITE(reg, dspcntr); |
10773 | ||
10774 | I915_WRITE(DSPSURF(intel_crtc->plane), | |
10775 | intel_crtc->unpin_work->gtt_offset); | |
10776 | POSTING_READ(DSPSURF(intel_crtc->plane)); | |
84c33a64 | 10777 | |
ff944564 DL |
10778 | } |
10779 | ||
10780 | /* | |
10781 | * XXX: This is the temporary way to update the plane registers until we get | |
10782 | * around to using the usual plane update functions for MMIO flips | |
10783 | */ | |
10784 | static void intel_do_mmio_flip(struct intel_crtc *intel_crtc) | |
10785 | { | |
10786 | struct drm_device *dev = intel_crtc->base.dev; | |
10787 | bool atomic_update; | |
10788 | u32 start_vbl_count; | |
10789 | ||
10790 | intel_mark_page_flip_active(intel_crtc); | |
10791 | ||
10792 | atomic_update = intel_pipe_update_start(intel_crtc, &start_vbl_count); | |
10793 | ||
10794 | if (INTEL_INFO(dev)->gen >= 9) | |
10795 | skl_do_mmio_flip(intel_crtc); | |
10796 | else | |
10797 | /* use_mmio_flip() retricts MMIO flips to ilk+ */ | |
10798 | ilk_do_mmio_flip(intel_crtc); | |
10799 | ||
9362c7c5 ACO |
10800 | if (atomic_update) |
10801 | intel_pipe_update_end(intel_crtc, start_vbl_count); | |
84c33a64 SG |
10802 | } |
10803 | ||
9362c7c5 | 10804 | static void intel_mmio_flip_work_func(struct work_struct *work) |
84c33a64 | 10805 | { |
b2cfe0ab CW |
10806 | struct intel_mmio_flip *mmio_flip = |
10807 | container_of(work, struct intel_mmio_flip, work); | |
84c33a64 | 10808 | |
b2cfe0ab CW |
10809 | if (mmio_flip->rq) |
10810 | WARN_ON(__i915_wait_request(mmio_flip->rq, | |
10811 | mmio_flip->crtc->reset_counter, | |
10812 | false, NULL, NULL)); | |
84c33a64 | 10813 | |
b2cfe0ab CW |
10814 | intel_do_mmio_flip(mmio_flip->crtc); |
10815 | ||
10816 | i915_gem_request_unreference__unlocked(mmio_flip->rq); | |
10817 | kfree(mmio_flip); | |
84c33a64 SG |
10818 | } |
10819 | ||
10820 | static int intel_queue_mmio_flip(struct drm_device *dev, | |
10821 | struct drm_crtc *crtc, | |
10822 | struct drm_framebuffer *fb, | |
10823 | struct drm_i915_gem_object *obj, | |
10824 | struct intel_engine_cs *ring, | |
10825 | uint32_t flags) | |
10826 | { | |
b2cfe0ab CW |
10827 | struct intel_mmio_flip *mmio_flip; |
10828 | ||
10829 | mmio_flip = kmalloc(sizeof(*mmio_flip), GFP_KERNEL); | |
10830 | if (mmio_flip == NULL) | |
10831 | return -ENOMEM; | |
84c33a64 | 10832 | |
b2cfe0ab CW |
10833 | mmio_flip->rq = i915_gem_request_reference(obj->last_write_req); |
10834 | mmio_flip->crtc = to_intel_crtc(crtc); | |
536f5b5e | 10835 | |
b2cfe0ab CW |
10836 | INIT_WORK(&mmio_flip->work, intel_mmio_flip_work_func); |
10837 | schedule_work(&mmio_flip->work); | |
84c33a64 | 10838 | |
84c33a64 SG |
10839 | return 0; |
10840 | } | |
10841 | ||
8c9f3aaf JB |
10842 | static int intel_default_queue_flip(struct drm_device *dev, |
10843 | struct drm_crtc *crtc, | |
10844 | struct drm_framebuffer *fb, | |
ed8d1975 | 10845 | struct drm_i915_gem_object *obj, |
a4872ba6 | 10846 | struct intel_engine_cs *ring, |
ed8d1975 | 10847 | uint32_t flags) |
8c9f3aaf JB |
10848 | { |
10849 | return -ENODEV; | |
10850 | } | |
10851 | ||
d6bbafa1 CW |
10852 | static bool __intel_pageflip_stall_check(struct drm_device *dev, |
10853 | struct drm_crtc *crtc) | |
10854 | { | |
10855 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10856 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
10857 | struct intel_unpin_work *work = intel_crtc->unpin_work; | |
10858 | u32 addr; | |
10859 | ||
10860 | if (atomic_read(&work->pending) >= INTEL_FLIP_COMPLETE) | |
10861 | return true; | |
10862 | ||
10863 | if (!work->enable_stall_check) | |
10864 | return false; | |
10865 | ||
10866 | if (work->flip_ready_vblank == 0) { | |
3a8a946e DV |
10867 | if (work->flip_queued_req && |
10868 | !i915_gem_request_completed(work->flip_queued_req, true)) | |
d6bbafa1 CW |
10869 | return false; |
10870 | ||
1e3feefd | 10871 | work->flip_ready_vblank = drm_crtc_vblank_count(crtc); |
d6bbafa1 CW |
10872 | } |
10873 | ||
1e3feefd | 10874 | if (drm_crtc_vblank_count(crtc) - work->flip_ready_vblank < 3) |
d6bbafa1 CW |
10875 | return false; |
10876 | ||
10877 | /* Potential stall - if we see that the flip has happened, | |
10878 | * assume a missed interrupt. */ | |
10879 | if (INTEL_INFO(dev)->gen >= 4) | |
10880 | addr = I915_HI_DISPBASE(I915_READ(DSPSURF(intel_crtc->plane))); | |
10881 | else | |
10882 | addr = I915_READ(DSPADDR(intel_crtc->plane)); | |
10883 | ||
10884 | /* There is a potential issue here with a false positive after a flip | |
10885 | * to the same address. We could address this by checking for a | |
10886 | * non-incrementing frame counter. | |
10887 | */ | |
10888 | return addr == work->gtt_offset; | |
10889 | } | |
10890 | ||
10891 | void intel_check_page_flip(struct drm_device *dev, int pipe) | |
10892 | { | |
10893 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10894 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
10895 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6ad790c0 | 10896 | struct intel_unpin_work *work; |
f326038a | 10897 | |
6c51d46f | 10898 | WARN_ON(!in_interrupt()); |
d6bbafa1 CW |
10899 | |
10900 | if (crtc == NULL) | |
10901 | return; | |
10902 | ||
f326038a | 10903 | spin_lock(&dev->event_lock); |
6ad790c0 CW |
10904 | work = intel_crtc->unpin_work; |
10905 | if (work != NULL && __intel_pageflip_stall_check(dev, crtc)) { | |
d6bbafa1 | 10906 | WARN_ONCE(1, "Kicking stuck page flip: queued at %d, now %d\n", |
6ad790c0 | 10907 | work->flip_queued_vblank, drm_vblank_count(dev, pipe)); |
d6bbafa1 | 10908 | page_flip_completed(intel_crtc); |
6ad790c0 | 10909 | work = NULL; |
d6bbafa1 | 10910 | } |
6ad790c0 CW |
10911 | if (work != NULL && |
10912 | drm_vblank_count(dev, pipe) - work->flip_queued_vblank > 1) | |
10913 | intel_queue_rps_boost_for_request(dev, work->flip_queued_req); | |
f326038a | 10914 | spin_unlock(&dev->event_lock); |
d6bbafa1 CW |
10915 | } |
10916 | ||
6b95a207 KH |
10917 | static int intel_crtc_page_flip(struct drm_crtc *crtc, |
10918 | struct drm_framebuffer *fb, | |
ed8d1975 KP |
10919 | struct drm_pending_vblank_event *event, |
10920 | uint32_t page_flip_flags) | |
6b95a207 KH |
10921 | { |
10922 | struct drm_device *dev = crtc->dev; | |
10923 | struct drm_i915_private *dev_priv = dev->dev_private; | |
f4510a27 | 10924 | struct drm_framebuffer *old_fb = crtc->primary->fb; |
2ff8fde1 | 10925 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
6b95a207 | 10926 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
455a6808 | 10927 | struct drm_plane *primary = crtc->primary; |
a071fa00 | 10928 | enum pipe pipe = intel_crtc->pipe; |
6b95a207 | 10929 | struct intel_unpin_work *work; |
a4872ba6 | 10930 | struct intel_engine_cs *ring; |
cf5d8a46 | 10931 | bool mmio_flip; |
52e68630 | 10932 | int ret; |
6b95a207 | 10933 | |
2ff8fde1 MR |
10934 | /* |
10935 | * drm_mode_page_flip_ioctl() should already catch this, but double | |
10936 | * check to be safe. In the future we may enable pageflipping from | |
10937 | * a disabled primary plane. | |
10938 | */ | |
10939 | if (WARN_ON(intel_fb_obj(old_fb) == NULL)) | |
10940 | return -EBUSY; | |
10941 | ||
e6a595d2 | 10942 | /* Can't change pixel format via MI display flips. */ |
f4510a27 | 10943 | if (fb->pixel_format != crtc->primary->fb->pixel_format) |
e6a595d2 VS |
10944 | return -EINVAL; |
10945 | ||
10946 | /* | |
10947 | * TILEOFF/LINOFF registers can't be changed via MI display flips. | |
10948 | * Note that pitch changes could also affect these register. | |
10949 | */ | |
10950 | if (INTEL_INFO(dev)->gen > 3 && | |
f4510a27 MR |
10951 | (fb->offsets[0] != crtc->primary->fb->offsets[0] || |
10952 | fb->pitches[0] != crtc->primary->fb->pitches[0])) | |
e6a595d2 VS |
10953 | return -EINVAL; |
10954 | ||
f900db47 CW |
10955 | if (i915_terminally_wedged(&dev_priv->gpu_error)) |
10956 | goto out_hang; | |
10957 | ||
b14c5679 | 10958 | work = kzalloc(sizeof(*work), GFP_KERNEL); |
6b95a207 KH |
10959 | if (work == NULL) |
10960 | return -ENOMEM; | |
10961 | ||
6b95a207 | 10962 | work->event = event; |
b4a98e57 | 10963 | work->crtc = crtc; |
ab8d6675 | 10964 | work->old_fb = old_fb; |
6b95a207 KH |
10965 | INIT_WORK(&work->work, intel_unpin_work_fn); |
10966 | ||
87b6b101 | 10967 | ret = drm_crtc_vblank_get(crtc); |
7317c75e JB |
10968 | if (ret) |
10969 | goto free_work; | |
10970 | ||
6b95a207 | 10971 | /* We borrow the event spin lock for protecting unpin_work */ |
5e2d7afc | 10972 | spin_lock_irq(&dev->event_lock); |
6b95a207 | 10973 | if (intel_crtc->unpin_work) { |
d6bbafa1 CW |
10974 | /* Before declaring the flip queue wedged, check if |
10975 | * the hardware completed the operation behind our backs. | |
10976 | */ | |
10977 | if (__intel_pageflip_stall_check(dev, crtc)) { | |
10978 | DRM_DEBUG_DRIVER("flip queue: previous flip completed, continuing\n"); | |
10979 | page_flip_completed(intel_crtc); | |
10980 | } else { | |
10981 | DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); | |
5e2d7afc | 10982 | spin_unlock_irq(&dev->event_lock); |
468f0b44 | 10983 | |
d6bbafa1 CW |
10984 | drm_crtc_vblank_put(crtc); |
10985 | kfree(work); | |
10986 | return -EBUSY; | |
10987 | } | |
6b95a207 KH |
10988 | } |
10989 | intel_crtc->unpin_work = work; | |
5e2d7afc | 10990 | spin_unlock_irq(&dev->event_lock); |
6b95a207 | 10991 | |
b4a98e57 CW |
10992 | if (atomic_read(&intel_crtc->unpin_work_count) >= 2) |
10993 | flush_workqueue(dev_priv->wq); | |
10994 | ||
75dfca80 | 10995 | /* Reference the objects for the scheduled work. */ |
ab8d6675 | 10996 | drm_framebuffer_reference(work->old_fb); |
05394f39 | 10997 | drm_gem_object_reference(&obj->base); |
6b95a207 | 10998 | |
f4510a27 | 10999 | crtc->primary->fb = fb; |
afd65eb4 | 11000 | update_state_fb(crtc->primary); |
1ed1f968 | 11001 | |
e1f99ce6 | 11002 | work->pending_flip_obj = obj; |
e1f99ce6 | 11003 | |
89ed88ba CW |
11004 | ret = i915_mutex_lock_interruptible(dev); |
11005 | if (ret) | |
11006 | goto cleanup; | |
11007 | ||
b4a98e57 | 11008 | atomic_inc(&intel_crtc->unpin_work_count); |
10d83730 | 11009 | intel_crtc->reset_counter = atomic_read(&dev_priv->gpu_error.reset_counter); |
e1f99ce6 | 11010 | |
75f7f3ec | 11011 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) |
a071fa00 | 11012 | work->flip_count = I915_READ(PIPE_FLIPCOUNT_GM45(pipe)) + 1; |
75f7f3ec | 11013 | |
4fa62c89 VS |
11014 | if (IS_VALLEYVIEW(dev)) { |
11015 | ring = &dev_priv->ring[BCS]; | |
ab8d6675 | 11016 | if (obj->tiling_mode != intel_fb_obj(work->old_fb)->tiling_mode) |
8e09bf83 CW |
11017 | /* vlv: DISPLAY_FLIP fails to change tiling */ |
11018 | ring = NULL; | |
48bf5b2d | 11019 | } else if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) { |
2a92d5bc | 11020 | ring = &dev_priv->ring[BCS]; |
4fa62c89 | 11021 | } else if (INTEL_INFO(dev)->gen >= 7) { |
41c52415 | 11022 | ring = i915_gem_request_get_ring(obj->last_read_req); |
4fa62c89 VS |
11023 | if (ring == NULL || ring->id != RCS) |
11024 | ring = &dev_priv->ring[BCS]; | |
11025 | } else { | |
11026 | ring = &dev_priv->ring[RCS]; | |
11027 | } | |
11028 | ||
cf5d8a46 CW |
11029 | mmio_flip = use_mmio_flip(ring, obj); |
11030 | ||
11031 | /* When using CS flips, we want to emit semaphores between rings. | |
11032 | * However, when using mmio flips we will create a task to do the | |
11033 | * synchronisation, so all we want here is to pin the framebuffer | |
11034 | * into the display plane and skip any waits. | |
11035 | */ | |
82bc3b2d | 11036 | ret = intel_pin_and_fence_fb_obj(crtc->primary, fb, |
cf5d8a46 CW |
11037 | crtc->primary->state, |
11038 | mmio_flip ? i915_gem_request_get_ring(obj->last_read_req) : ring); | |
8c9f3aaf JB |
11039 | if (ret) |
11040 | goto cleanup_pending; | |
6b95a207 | 11041 | |
121920fa TU |
11042 | work->gtt_offset = intel_plane_obj_offset(to_intel_plane(primary), obj) |
11043 | + intel_crtc->dspaddr_offset; | |
4fa62c89 | 11044 | |
cf5d8a46 | 11045 | if (mmio_flip) { |
84c33a64 SG |
11046 | ret = intel_queue_mmio_flip(dev, crtc, fb, obj, ring, |
11047 | page_flip_flags); | |
d6bbafa1 CW |
11048 | if (ret) |
11049 | goto cleanup_unpin; | |
11050 | ||
f06cc1b9 JH |
11051 | i915_gem_request_assign(&work->flip_queued_req, |
11052 | obj->last_write_req); | |
d6bbafa1 | 11053 | } else { |
d94b5030 CW |
11054 | if (obj->last_write_req) { |
11055 | ret = i915_gem_check_olr(obj->last_write_req); | |
11056 | if (ret) | |
11057 | goto cleanup_unpin; | |
11058 | } | |
11059 | ||
84c33a64 | 11060 | ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, ring, |
d6bbafa1 CW |
11061 | page_flip_flags); |
11062 | if (ret) | |
11063 | goto cleanup_unpin; | |
11064 | ||
f06cc1b9 JH |
11065 | i915_gem_request_assign(&work->flip_queued_req, |
11066 | intel_ring_get_request(ring)); | |
d6bbafa1 CW |
11067 | } |
11068 | ||
1e3feefd | 11069 | work->flip_queued_vblank = drm_crtc_vblank_count(crtc); |
d6bbafa1 | 11070 | work->enable_stall_check = true; |
4fa62c89 | 11071 | |
ab8d6675 | 11072 | i915_gem_track_fb(intel_fb_obj(work->old_fb), obj, |
a071fa00 DV |
11073 | INTEL_FRONTBUFFER_PRIMARY(pipe)); |
11074 | ||
7ff0ebcc | 11075 | intel_fbc_disable(dev); |
f99d7069 | 11076 | intel_frontbuffer_flip_prepare(dev, INTEL_FRONTBUFFER_PRIMARY(pipe)); |
6b95a207 KH |
11077 | mutex_unlock(&dev->struct_mutex); |
11078 | ||
e5510fac JB |
11079 | trace_i915_flip_request(intel_crtc->plane, obj); |
11080 | ||
6b95a207 | 11081 | return 0; |
96b099fd | 11082 | |
4fa62c89 | 11083 | cleanup_unpin: |
82bc3b2d | 11084 | intel_unpin_fb_obj(fb, crtc->primary->state); |
8c9f3aaf | 11085 | cleanup_pending: |
b4a98e57 | 11086 | atomic_dec(&intel_crtc->unpin_work_count); |
89ed88ba CW |
11087 | mutex_unlock(&dev->struct_mutex); |
11088 | cleanup: | |
f4510a27 | 11089 | crtc->primary->fb = old_fb; |
afd65eb4 | 11090 | update_state_fb(crtc->primary); |
89ed88ba CW |
11091 | |
11092 | drm_gem_object_unreference_unlocked(&obj->base); | |
ab8d6675 | 11093 | drm_framebuffer_unreference(work->old_fb); |
96b099fd | 11094 | |
5e2d7afc | 11095 | spin_lock_irq(&dev->event_lock); |
96b099fd | 11096 | intel_crtc->unpin_work = NULL; |
5e2d7afc | 11097 | spin_unlock_irq(&dev->event_lock); |
96b099fd | 11098 | |
87b6b101 | 11099 | drm_crtc_vblank_put(crtc); |
7317c75e | 11100 | free_work: |
96b099fd CW |
11101 | kfree(work); |
11102 | ||
f900db47 CW |
11103 | if (ret == -EIO) { |
11104 | out_hang: | |
53a366b9 | 11105 | ret = intel_plane_restore(primary); |
f0d3dad3 | 11106 | if (ret == 0 && event) { |
5e2d7afc | 11107 | spin_lock_irq(&dev->event_lock); |
a071fa00 | 11108 | drm_send_vblank_event(dev, pipe, event); |
5e2d7afc | 11109 | spin_unlock_irq(&dev->event_lock); |
f0d3dad3 | 11110 | } |
f900db47 | 11111 | } |
96b099fd | 11112 | return ret; |
6b95a207 KH |
11113 | } |
11114 | ||
65b38e0d | 11115 | static const struct drm_crtc_helper_funcs intel_helper_funcs = { |
f6e5b160 CW |
11116 | .mode_set_base_atomic = intel_pipe_set_base_atomic, |
11117 | .load_lut = intel_crtc_load_lut, | |
ea2c67bb MR |
11118 | .atomic_begin = intel_begin_crtc_commit, |
11119 | .atomic_flush = intel_finish_crtc_commit, | |
f6e5b160 CW |
11120 | }; |
11121 | ||
9a935856 DV |
11122 | /** |
11123 | * intel_modeset_update_staged_output_state | |
11124 | * | |
11125 | * Updates the staged output configuration state, e.g. after we've read out the | |
11126 | * current hw state. | |
11127 | */ | |
11128 | static void intel_modeset_update_staged_output_state(struct drm_device *dev) | |
f6e5b160 | 11129 | { |
7668851f | 11130 | struct intel_crtc *crtc; |
9a935856 DV |
11131 | struct intel_encoder *encoder; |
11132 | struct intel_connector *connector; | |
f6e5b160 | 11133 | |
3a3371ff | 11134 | for_each_intel_connector(dev, connector) { |
9a935856 DV |
11135 | connector->new_encoder = |
11136 | to_intel_encoder(connector->base.encoder); | |
11137 | } | |
f6e5b160 | 11138 | |
b2784e15 | 11139 | for_each_intel_encoder(dev, encoder) { |
9a935856 DV |
11140 | encoder->new_crtc = |
11141 | to_intel_crtc(encoder->base.crtc); | |
11142 | } | |
7668851f | 11143 | |
d3fcc808 | 11144 | for_each_intel_crtc(dev, crtc) { |
83d65738 | 11145 | crtc->new_enabled = crtc->base.state->enable; |
7668851f | 11146 | } |
f6e5b160 CW |
11147 | } |
11148 | ||
d29b2f9d ACO |
11149 | /* Transitional helper to copy current connector/encoder state to |
11150 | * connector->state. This is needed so that code that is partially | |
11151 | * converted to atomic does the right thing. | |
11152 | */ | |
11153 | static void intel_modeset_update_connector_atomic_state(struct drm_device *dev) | |
11154 | { | |
11155 | struct intel_connector *connector; | |
11156 | ||
11157 | for_each_intel_connector(dev, connector) { | |
11158 | if (connector->base.encoder) { | |
11159 | connector->base.state->best_encoder = | |
11160 | connector->base.encoder; | |
11161 | connector->base.state->crtc = | |
11162 | connector->base.encoder->crtc; | |
11163 | } else { | |
11164 | connector->base.state->best_encoder = NULL; | |
11165 | connector->base.state->crtc = NULL; | |
11166 | } | |
11167 | } | |
11168 | } | |
11169 | ||
a821fc46 | 11170 | /* Fixup legacy state after an atomic state swap. |
9a935856 | 11171 | */ |
a821fc46 | 11172 | static void intel_modeset_fixup_state(struct drm_atomic_state *state) |
9a935856 | 11173 | { |
a821fc46 | 11174 | struct intel_crtc *crtc; |
9a935856 | 11175 | struct intel_encoder *encoder; |
a821fc46 | 11176 | struct intel_connector *connector; |
d5432a9d | 11177 | |
a821fc46 ACO |
11178 | for_each_intel_connector(state->dev, connector) { |
11179 | connector->base.encoder = connector->base.state->best_encoder; | |
11180 | if (connector->base.encoder) | |
11181 | connector->base.encoder->crtc = | |
11182 | connector->base.state->crtc; | |
9a935856 | 11183 | } |
f6e5b160 | 11184 | |
d5432a9d ACO |
11185 | /* Update crtc of disabled encoders */ |
11186 | for_each_intel_encoder(state->dev, encoder) { | |
11187 | int num_connectors = 0; | |
11188 | ||
a821fc46 ACO |
11189 | for_each_intel_connector(state->dev, connector) |
11190 | if (connector->base.encoder == &encoder->base) | |
d5432a9d ACO |
11191 | num_connectors++; |
11192 | ||
11193 | if (num_connectors == 0) | |
11194 | encoder->base.crtc = NULL; | |
9a935856 | 11195 | } |
7668851f | 11196 | |
a821fc46 ACO |
11197 | for_each_intel_crtc(state->dev, crtc) { |
11198 | crtc->base.enabled = crtc->base.state->enable; | |
11199 | crtc->config = to_intel_crtc_state(crtc->base.state); | |
7668851f | 11200 | } |
d29b2f9d | 11201 | |
d5432a9d ACO |
11202 | /* Copy the new configuration to the staged state, to keep the few |
11203 | * pieces of code that haven't been converted yet happy */ | |
11204 | intel_modeset_update_staged_output_state(state->dev); | |
9a935856 DV |
11205 | } |
11206 | ||
050f7aeb | 11207 | static void |
eba905b2 | 11208 | connected_sink_compute_bpp(struct intel_connector *connector, |
5cec258b | 11209 | struct intel_crtc_state *pipe_config) |
050f7aeb DV |
11210 | { |
11211 | int bpp = pipe_config->pipe_bpp; | |
11212 | ||
11213 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] checking for sink bpp constrains\n", | |
11214 | connector->base.base.id, | |
c23cc417 | 11215 | connector->base.name); |
050f7aeb DV |
11216 | |
11217 | /* Don't use an invalid EDID bpc value */ | |
11218 | if (connector->base.display_info.bpc && | |
11219 | connector->base.display_info.bpc * 3 < bpp) { | |
11220 | DRM_DEBUG_KMS("clamping display bpp (was %d) to EDID reported max of %d\n", | |
11221 | bpp, connector->base.display_info.bpc*3); | |
11222 | pipe_config->pipe_bpp = connector->base.display_info.bpc*3; | |
11223 | } | |
11224 | ||
11225 | /* Clamp bpp to 8 on screens without EDID 1.4 */ | |
11226 | if (connector->base.display_info.bpc == 0 && bpp > 24) { | |
11227 | DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of 24\n", | |
11228 | bpp); | |
11229 | pipe_config->pipe_bpp = 24; | |
11230 | } | |
11231 | } | |
11232 | ||
4e53c2e0 | 11233 | static int |
050f7aeb | 11234 | compute_baseline_pipe_bpp(struct intel_crtc *crtc, |
5cec258b | 11235 | struct intel_crtc_state *pipe_config) |
4e53c2e0 | 11236 | { |
050f7aeb | 11237 | struct drm_device *dev = crtc->base.dev; |
1486017f | 11238 | struct drm_atomic_state *state; |
da3ced29 ACO |
11239 | struct drm_connector *connector; |
11240 | struct drm_connector_state *connector_state; | |
1486017f | 11241 | int bpp, i; |
4e53c2e0 | 11242 | |
d328c9d7 | 11243 | if ((IS_G4X(dev) || IS_VALLEYVIEW(dev))) |
4e53c2e0 | 11244 | bpp = 10*3; |
d328c9d7 DV |
11245 | else if (INTEL_INFO(dev)->gen >= 5) |
11246 | bpp = 12*3; | |
11247 | else | |
11248 | bpp = 8*3; | |
11249 | ||
4e53c2e0 | 11250 | |
4e53c2e0 DV |
11251 | pipe_config->pipe_bpp = bpp; |
11252 | ||
1486017f ACO |
11253 | state = pipe_config->base.state; |
11254 | ||
4e53c2e0 | 11255 | /* Clamp display bpp to EDID value */ |
da3ced29 ACO |
11256 | for_each_connector_in_state(state, connector, connector_state, i) { |
11257 | if (connector_state->crtc != &crtc->base) | |
4e53c2e0 DV |
11258 | continue; |
11259 | ||
da3ced29 ACO |
11260 | connected_sink_compute_bpp(to_intel_connector(connector), |
11261 | pipe_config); | |
4e53c2e0 DV |
11262 | } |
11263 | ||
11264 | return bpp; | |
11265 | } | |
11266 | ||
644db711 DV |
11267 | static void intel_dump_crtc_timings(const struct drm_display_mode *mode) |
11268 | { | |
11269 | DRM_DEBUG_KMS("crtc timings: %d %d %d %d %d %d %d %d %d, " | |
11270 | "type: 0x%x flags: 0x%x\n", | |
1342830c | 11271 | mode->crtc_clock, |
644db711 DV |
11272 | mode->crtc_hdisplay, mode->crtc_hsync_start, |
11273 | mode->crtc_hsync_end, mode->crtc_htotal, | |
11274 | mode->crtc_vdisplay, mode->crtc_vsync_start, | |
11275 | mode->crtc_vsync_end, mode->crtc_vtotal, mode->type, mode->flags); | |
11276 | } | |
11277 | ||
c0b03411 | 11278 | static void intel_dump_pipe_config(struct intel_crtc *crtc, |
5cec258b | 11279 | struct intel_crtc_state *pipe_config, |
c0b03411 DV |
11280 | const char *context) |
11281 | { | |
6a60cd87 CK |
11282 | struct drm_device *dev = crtc->base.dev; |
11283 | struct drm_plane *plane; | |
11284 | struct intel_plane *intel_plane; | |
11285 | struct intel_plane_state *state; | |
11286 | struct drm_framebuffer *fb; | |
11287 | ||
11288 | DRM_DEBUG_KMS("[CRTC:%d]%s config %p for pipe %c\n", crtc->base.base.id, | |
11289 | context, pipe_config, pipe_name(crtc->pipe)); | |
c0b03411 DV |
11290 | |
11291 | DRM_DEBUG_KMS("cpu_transcoder: %c\n", transcoder_name(pipe_config->cpu_transcoder)); | |
11292 | DRM_DEBUG_KMS("pipe bpp: %i, dithering: %i\n", | |
11293 | pipe_config->pipe_bpp, pipe_config->dither); | |
11294 | DRM_DEBUG_KMS("fdi/pch: %i, lanes: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", | |
11295 | pipe_config->has_pch_encoder, | |
11296 | pipe_config->fdi_lanes, | |
11297 | pipe_config->fdi_m_n.gmch_m, pipe_config->fdi_m_n.gmch_n, | |
11298 | pipe_config->fdi_m_n.link_m, pipe_config->fdi_m_n.link_n, | |
11299 | pipe_config->fdi_m_n.tu); | |
eb14cb74 VS |
11300 | DRM_DEBUG_KMS("dp: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", |
11301 | pipe_config->has_dp_encoder, | |
11302 | pipe_config->dp_m_n.gmch_m, pipe_config->dp_m_n.gmch_n, | |
11303 | pipe_config->dp_m_n.link_m, pipe_config->dp_m_n.link_n, | |
11304 | pipe_config->dp_m_n.tu); | |
b95af8be VK |
11305 | |
11306 | DRM_DEBUG_KMS("dp: %i, gmch_m2: %u, gmch_n2: %u, link_m2: %u, link_n2: %u, tu2: %u\n", | |
11307 | pipe_config->has_dp_encoder, | |
11308 | pipe_config->dp_m2_n2.gmch_m, | |
11309 | pipe_config->dp_m2_n2.gmch_n, | |
11310 | pipe_config->dp_m2_n2.link_m, | |
11311 | pipe_config->dp_m2_n2.link_n, | |
11312 | pipe_config->dp_m2_n2.tu); | |
11313 | ||
55072d19 DV |
11314 | DRM_DEBUG_KMS("audio: %i, infoframes: %i\n", |
11315 | pipe_config->has_audio, | |
11316 | pipe_config->has_infoframe); | |
11317 | ||
c0b03411 | 11318 | DRM_DEBUG_KMS("requested mode:\n"); |
2d112de7 | 11319 | drm_mode_debug_printmodeline(&pipe_config->base.mode); |
c0b03411 | 11320 | DRM_DEBUG_KMS("adjusted mode:\n"); |
2d112de7 ACO |
11321 | drm_mode_debug_printmodeline(&pipe_config->base.adjusted_mode); |
11322 | intel_dump_crtc_timings(&pipe_config->base.adjusted_mode); | |
d71b8d4a | 11323 | DRM_DEBUG_KMS("port clock: %d\n", pipe_config->port_clock); |
37327abd VS |
11324 | DRM_DEBUG_KMS("pipe src size: %dx%d\n", |
11325 | pipe_config->pipe_src_w, pipe_config->pipe_src_h); | |
6a60cd87 CK |
11326 | DRM_DEBUG_KMS("num_scalers: %d\n", crtc->num_scalers); |
11327 | DRM_DEBUG_KMS("scaler_users: 0x%x\n", pipe_config->scaler_state.scaler_users); | |
11328 | DRM_DEBUG_KMS("scaler id: %d\n", pipe_config->scaler_state.scaler_id); | |
c0b03411 DV |
11329 | DRM_DEBUG_KMS("gmch pfit: control: 0x%08x, ratios: 0x%08x, lvds border: 0x%08x\n", |
11330 | pipe_config->gmch_pfit.control, | |
11331 | pipe_config->gmch_pfit.pgm_ratios, | |
11332 | pipe_config->gmch_pfit.lvds_border_bits); | |
fd4daa9c | 11333 | DRM_DEBUG_KMS("pch pfit: pos: 0x%08x, size: 0x%08x, %s\n", |
c0b03411 | 11334 | pipe_config->pch_pfit.pos, |
fd4daa9c CW |
11335 | pipe_config->pch_pfit.size, |
11336 | pipe_config->pch_pfit.enabled ? "enabled" : "disabled"); | |
42db64ef | 11337 | DRM_DEBUG_KMS("ips: %i\n", pipe_config->ips_enabled); |
cf532bb2 | 11338 | DRM_DEBUG_KMS("double wide: %i\n", pipe_config->double_wide); |
6a60cd87 CK |
11339 | |
11340 | DRM_DEBUG_KMS("planes on this crtc\n"); | |
11341 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { | |
11342 | intel_plane = to_intel_plane(plane); | |
11343 | if (intel_plane->pipe != crtc->pipe) | |
11344 | continue; | |
11345 | ||
11346 | state = to_intel_plane_state(plane->state); | |
11347 | fb = state->base.fb; | |
11348 | if (!fb) { | |
11349 | DRM_DEBUG_KMS("%s PLANE:%d plane: %u.%u idx: %d " | |
11350 | "disabled, scaler_id = %d\n", | |
11351 | plane->type == DRM_PLANE_TYPE_CURSOR ? "CURSOR" : "STANDARD", | |
11352 | plane->base.id, intel_plane->pipe, | |
11353 | (crtc->base.primary == plane) ? 0 : intel_plane->plane + 1, | |
11354 | drm_plane_index(plane), state->scaler_id); | |
11355 | continue; | |
11356 | } | |
11357 | ||
11358 | DRM_DEBUG_KMS("%s PLANE:%d plane: %u.%u idx: %d enabled", | |
11359 | plane->type == DRM_PLANE_TYPE_CURSOR ? "CURSOR" : "STANDARD", | |
11360 | plane->base.id, intel_plane->pipe, | |
11361 | crtc->base.primary == plane ? 0 : intel_plane->plane + 1, | |
11362 | drm_plane_index(plane)); | |
11363 | DRM_DEBUG_KMS("\tFB:%d, fb = %ux%u format = 0x%x", | |
11364 | fb->base.id, fb->width, fb->height, fb->pixel_format); | |
11365 | DRM_DEBUG_KMS("\tscaler:%d src (%u, %u) %ux%u dst (%u, %u) %ux%u\n", | |
11366 | state->scaler_id, | |
11367 | state->src.x1 >> 16, state->src.y1 >> 16, | |
11368 | drm_rect_width(&state->src) >> 16, | |
11369 | drm_rect_height(&state->src) >> 16, | |
11370 | state->dst.x1, state->dst.y1, | |
11371 | drm_rect_width(&state->dst), drm_rect_height(&state->dst)); | |
11372 | } | |
c0b03411 DV |
11373 | } |
11374 | ||
bc079e8b VS |
11375 | static bool encoders_cloneable(const struct intel_encoder *a, |
11376 | const struct intel_encoder *b) | |
accfc0c5 | 11377 | { |
bc079e8b VS |
11378 | /* masks could be asymmetric, so check both ways */ |
11379 | return a == b || (a->cloneable & (1 << b->type) && | |
11380 | b->cloneable & (1 << a->type)); | |
11381 | } | |
11382 | ||
98a221da ACO |
11383 | static bool check_single_encoder_cloning(struct drm_atomic_state *state, |
11384 | struct intel_crtc *crtc, | |
bc079e8b VS |
11385 | struct intel_encoder *encoder) |
11386 | { | |
bc079e8b | 11387 | struct intel_encoder *source_encoder; |
da3ced29 | 11388 | struct drm_connector *connector; |
98a221da ACO |
11389 | struct drm_connector_state *connector_state; |
11390 | int i; | |
bc079e8b | 11391 | |
da3ced29 | 11392 | for_each_connector_in_state(state, connector, connector_state, i) { |
98a221da | 11393 | if (connector_state->crtc != &crtc->base) |
bc079e8b VS |
11394 | continue; |
11395 | ||
98a221da ACO |
11396 | source_encoder = |
11397 | to_intel_encoder(connector_state->best_encoder); | |
bc079e8b VS |
11398 | if (!encoders_cloneable(encoder, source_encoder)) |
11399 | return false; | |
11400 | } | |
11401 | ||
11402 | return true; | |
11403 | } | |
11404 | ||
98a221da ACO |
11405 | static bool check_encoder_cloning(struct drm_atomic_state *state, |
11406 | struct intel_crtc *crtc) | |
bc079e8b | 11407 | { |
accfc0c5 | 11408 | struct intel_encoder *encoder; |
da3ced29 | 11409 | struct drm_connector *connector; |
98a221da ACO |
11410 | struct drm_connector_state *connector_state; |
11411 | int i; | |
accfc0c5 | 11412 | |
da3ced29 | 11413 | for_each_connector_in_state(state, connector, connector_state, i) { |
98a221da ACO |
11414 | if (connector_state->crtc != &crtc->base) |
11415 | continue; | |
11416 | ||
11417 | encoder = to_intel_encoder(connector_state->best_encoder); | |
11418 | if (!check_single_encoder_cloning(state, crtc, encoder)) | |
bc079e8b | 11419 | return false; |
accfc0c5 DV |
11420 | } |
11421 | ||
bc079e8b | 11422 | return true; |
accfc0c5 DV |
11423 | } |
11424 | ||
5448a00d | 11425 | static bool check_digital_port_conflicts(struct drm_atomic_state *state) |
00f0b378 | 11426 | { |
5448a00d ACO |
11427 | struct drm_device *dev = state->dev; |
11428 | struct intel_encoder *encoder; | |
da3ced29 | 11429 | struct drm_connector *connector; |
5448a00d | 11430 | struct drm_connector_state *connector_state; |
00f0b378 | 11431 | unsigned int used_ports = 0; |
5448a00d | 11432 | int i; |
00f0b378 VS |
11433 | |
11434 | /* | |
11435 | * Walk the connector list instead of the encoder | |
11436 | * list to detect the problem on ddi platforms | |
11437 | * where there's just one encoder per digital port. | |
11438 | */ | |
da3ced29 | 11439 | for_each_connector_in_state(state, connector, connector_state, i) { |
5448a00d | 11440 | if (!connector_state->best_encoder) |
00f0b378 VS |
11441 | continue; |
11442 | ||
5448a00d ACO |
11443 | encoder = to_intel_encoder(connector_state->best_encoder); |
11444 | ||
11445 | WARN_ON(!connector_state->crtc); | |
00f0b378 VS |
11446 | |
11447 | switch (encoder->type) { | |
11448 | unsigned int port_mask; | |
11449 | case INTEL_OUTPUT_UNKNOWN: | |
11450 | if (WARN_ON(!HAS_DDI(dev))) | |
11451 | break; | |
11452 | case INTEL_OUTPUT_DISPLAYPORT: | |
11453 | case INTEL_OUTPUT_HDMI: | |
11454 | case INTEL_OUTPUT_EDP: | |
11455 | port_mask = 1 << enc_to_dig_port(&encoder->base)->port; | |
11456 | ||
11457 | /* the same port mustn't appear more than once */ | |
11458 | if (used_ports & port_mask) | |
11459 | return false; | |
11460 | ||
11461 | used_ports |= port_mask; | |
11462 | default: | |
11463 | break; | |
11464 | } | |
11465 | } | |
11466 | ||
11467 | return true; | |
11468 | } | |
11469 | ||
83a57153 ACO |
11470 | static void |
11471 | clear_intel_crtc_state(struct intel_crtc_state *crtc_state) | |
11472 | { | |
11473 | struct drm_crtc_state tmp_state; | |
663a3640 | 11474 | struct intel_crtc_scaler_state scaler_state; |
4978cc93 ACO |
11475 | struct intel_dpll_hw_state dpll_hw_state; |
11476 | enum intel_dpll_id shared_dpll; | |
83a57153 | 11477 | |
663a3640 | 11478 | /* Clear only the intel specific part of the crtc state excluding scalers */ |
83a57153 | 11479 | tmp_state = crtc_state->base; |
663a3640 | 11480 | scaler_state = crtc_state->scaler_state; |
4978cc93 ACO |
11481 | shared_dpll = crtc_state->shared_dpll; |
11482 | dpll_hw_state = crtc_state->dpll_hw_state; | |
11483 | ||
83a57153 | 11484 | memset(crtc_state, 0, sizeof *crtc_state); |
4978cc93 | 11485 | |
83a57153 | 11486 | crtc_state->base = tmp_state; |
663a3640 | 11487 | crtc_state->scaler_state = scaler_state; |
4978cc93 ACO |
11488 | crtc_state->shared_dpll = shared_dpll; |
11489 | crtc_state->dpll_hw_state = dpll_hw_state; | |
83a57153 ACO |
11490 | } |
11491 | ||
548ee15b | 11492 | static int |
b8cecdf5 | 11493 | intel_modeset_pipe_config(struct drm_crtc *crtc, |
548ee15b ACO |
11494 | struct drm_atomic_state *state, |
11495 | struct intel_crtc_state *pipe_config) | |
ee7b9f93 | 11496 | { |
7758a113 | 11497 | struct intel_encoder *encoder; |
da3ced29 | 11498 | struct drm_connector *connector; |
0b901879 | 11499 | struct drm_connector_state *connector_state; |
d328c9d7 | 11500 | int base_bpp, ret = -EINVAL; |
0b901879 | 11501 | int i; |
e29c22c0 | 11502 | bool retry = true; |
ee7b9f93 | 11503 | |
98a221da | 11504 | if (!check_encoder_cloning(state, to_intel_crtc(crtc))) { |
accfc0c5 | 11505 | DRM_DEBUG_KMS("rejecting invalid cloning configuration\n"); |
548ee15b | 11506 | return -EINVAL; |
accfc0c5 DV |
11507 | } |
11508 | ||
5448a00d | 11509 | if (!check_digital_port_conflicts(state)) { |
00f0b378 | 11510 | DRM_DEBUG_KMS("rejecting conflicting digital port configuration\n"); |
548ee15b | 11511 | return -EINVAL; |
00f0b378 VS |
11512 | } |
11513 | ||
83a57153 | 11514 | clear_intel_crtc_state(pipe_config); |
7758a113 | 11515 | |
e143a21c DV |
11516 | pipe_config->cpu_transcoder = |
11517 | (enum transcoder) to_intel_crtc(crtc)->pipe; | |
b8cecdf5 | 11518 | |
2960bc9c ID |
11519 | /* |
11520 | * Sanitize sync polarity flags based on requested ones. If neither | |
11521 | * positive or negative polarity is requested, treat this as meaning | |
11522 | * negative polarity. | |
11523 | */ | |
2d112de7 | 11524 | if (!(pipe_config->base.adjusted_mode.flags & |
2960bc9c | 11525 | (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NHSYNC))) |
2d112de7 | 11526 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_NHSYNC; |
2960bc9c | 11527 | |
2d112de7 | 11528 | if (!(pipe_config->base.adjusted_mode.flags & |
2960bc9c | 11529 | (DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC))) |
2d112de7 | 11530 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_NVSYNC; |
2960bc9c | 11531 | |
050f7aeb DV |
11532 | /* Compute a starting value for pipe_config->pipe_bpp taking the source |
11533 | * plane pixel format and any sink constraints into account. Returns the | |
11534 | * source plane bpp so that dithering can be selected on mismatches | |
11535 | * after encoders and crtc also have had their say. */ | |
d328c9d7 DV |
11536 | base_bpp = compute_baseline_pipe_bpp(to_intel_crtc(crtc), |
11537 | pipe_config); | |
11538 | if (base_bpp < 0) | |
4e53c2e0 DV |
11539 | goto fail; |
11540 | ||
e41a56be VS |
11541 | /* |
11542 | * Determine the real pipe dimensions. Note that stereo modes can | |
11543 | * increase the actual pipe size due to the frame doubling and | |
11544 | * insertion of additional space for blanks between the frame. This | |
11545 | * is stored in the crtc timings. We use the requested mode to do this | |
11546 | * computation to clearly distinguish it from the adjusted mode, which | |
11547 | * can be changed by the connectors in the below retry loop. | |
11548 | */ | |
2d112de7 | 11549 | drm_crtc_get_hv_timing(&pipe_config->base.mode, |
ecb7e16b GP |
11550 | &pipe_config->pipe_src_w, |
11551 | &pipe_config->pipe_src_h); | |
e41a56be | 11552 | |
e29c22c0 | 11553 | encoder_retry: |
ef1b460d | 11554 | /* Ensure the port clock defaults are reset when retrying. */ |
ff9a6750 | 11555 | pipe_config->port_clock = 0; |
ef1b460d | 11556 | pipe_config->pixel_multiplier = 1; |
ff9a6750 | 11557 | |
135c81b8 | 11558 | /* Fill in default crtc timings, allow encoders to overwrite them. */ |
2d112de7 ACO |
11559 | drm_mode_set_crtcinfo(&pipe_config->base.adjusted_mode, |
11560 | CRTC_STEREO_DOUBLE); | |
135c81b8 | 11561 | |
7758a113 DV |
11562 | /* Pass our mode to the connectors and the CRTC to give them a chance to |
11563 | * adjust it according to limitations or connector properties, and also | |
11564 | * a chance to reject the mode entirely. | |
47f1c6c9 | 11565 | */ |
da3ced29 | 11566 | for_each_connector_in_state(state, connector, connector_state, i) { |
0b901879 | 11567 | if (connector_state->crtc != crtc) |
7758a113 | 11568 | continue; |
7ae89233 | 11569 | |
0b901879 ACO |
11570 | encoder = to_intel_encoder(connector_state->best_encoder); |
11571 | ||
efea6e8e DV |
11572 | if (!(encoder->compute_config(encoder, pipe_config))) { |
11573 | DRM_DEBUG_KMS("Encoder config failure\n"); | |
7758a113 DV |
11574 | goto fail; |
11575 | } | |
ee7b9f93 | 11576 | } |
47f1c6c9 | 11577 | |
ff9a6750 DV |
11578 | /* Set default port clock if not overwritten by the encoder. Needs to be |
11579 | * done afterwards in case the encoder adjusts the mode. */ | |
11580 | if (!pipe_config->port_clock) | |
2d112de7 | 11581 | pipe_config->port_clock = pipe_config->base.adjusted_mode.crtc_clock |
241bfc38 | 11582 | * pipe_config->pixel_multiplier; |
ff9a6750 | 11583 | |
a43f6e0f | 11584 | ret = intel_crtc_compute_config(to_intel_crtc(crtc), pipe_config); |
e29c22c0 | 11585 | if (ret < 0) { |
7758a113 DV |
11586 | DRM_DEBUG_KMS("CRTC fixup failed\n"); |
11587 | goto fail; | |
ee7b9f93 | 11588 | } |
e29c22c0 DV |
11589 | |
11590 | if (ret == RETRY) { | |
11591 | if (WARN(!retry, "loop in pipe configuration computation\n")) { | |
11592 | ret = -EINVAL; | |
11593 | goto fail; | |
11594 | } | |
11595 | ||
11596 | DRM_DEBUG_KMS("CRTC bw constrained, retrying\n"); | |
11597 | retry = false; | |
11598 | goto encoder_retry; | |
11599 | } | |
11600 | ||
d328c9d7 | 11601 | pipe_config->dither = pipe_config->pipe_bpp != base_bpp; |
4e53c2e0 | 11602 | DRM_DEBUG_KMS("plane bpp: %i, pipe bpp: %i, dithering: %i\n", |
d328c9d7 | 11603 | base_bpp, pipe_config->pipe_bpp, pipe_config->dither); |
4e53c2e0 | 11604 | |
548ee15b | 11605 | return 0; |
7758a113 | 11606 | fail: |
548ee15b | 11607 | return ret; |
ee7b9f93 | 11608 | } |
47f1c6c9 | 11609 | |
ea9d758d | 11610 | static bool intel_crtc_in_use(struct drm_crtc *crtc) |
f6e5b160 | 11611 | { |
ea9d758d | 11612 | struct drm_encoder *encoder; |
f6e5b160 | 11613 | struct drm_device *dev = crtc->dev; |
f6e5b160 | 11614 | |
ea9d758d DV |
11615 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
11616 | if (encoder->crtc == crtc) | |
11617 | return true; | |
11618 | ||
11619 | return false; | |
11620 | } | |
11621 | ||
0a9ab303 ACO |
11622 | static bool |
11623 | needs_modeset(struct drm_crtc_state *state) | |
11624 | { | |
11625 | return state->mode_changed || state->active_changed; | |
11626 | } | |
11627 | ||
ea9d758d | 11628 | static void |
0a9ab303 | 11629 | intel_modeset_update_state(struct drm_atomic_state *state) |
ea9d758d | 11630 | { |
0a9ab303 | 11631 | struct drm_device *dev = state->dev; |
ba41c0de | 11632 | struct drm_i915_private *dev_priv = dev->dev_private; |
ea9d758d | 11633 | struct intel_encoder *intel_encoder; |
0a9ab303 ACO |
11634 | struct drm_crtc *crtc; |
11635 | struct drm_crtc_state *crtc_state; | |
ea9d758d | 11636 | struct drm_connector *connector; |
0a9ab303 | 11637 | int i; |
ea9d758d | 11638 | |
ba41c0de DV |
11639 | intel_shared_dpll_commit(dev_priv); |
11640 | ||
b2784e15 | 11641 | for_each_intel_encoder(dev, intel_encoder) { |
ea9d758d DV |
11642 | if (!intel_encoder->base.crtc) |
11643 | continue; | |
11644 | ||
0a9ab303 ACO |
11645 | for_each_crtc_in_state(state, crtc, crtc_state, i) |
11646 | if (crtc == intel_encoder->base.crtc) | |
11647 | break; | |
11648 | ||
11649 | if (crtc != intel_encoder->base.crtc) | |
11650 | continue; | |
ea9d758d | 11651 | |
0a9ab303 | 11652 | if (crtc_state->enable && needs_modeset(crtc_state)) |
ea9d758d DV |
11653 | intel_encoder->connectors_active = false; |
11654 | } | |
11655 | ||
a821fc46 ACO |
11656 | drm_atomic_helper_swap_state(state->dev, state); |
11657 | intel_modeset_fixup_state(state); | |
ea9d758d | 11658 | |
7668851f | 11659 | /* Double check state. */ |
0a9ab303 ACO |
11660 | for_each_crtc(dev, crtc) { |
11661 | WARN_ON(crtc->state->enable != intel_crtc_in_use(crtc)); | |
ea9d758d DV |
11662 | } |
11663 | ||
11664 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
11665 | if (!connector->encoder || !connector->encoder->crtc) | |
11666 | continue; | |
11667 | ||
0a9ab303 ACO |
11668 | for_each_crtc_in_state(state, crtc, crtc_state, i) |
11669 | if (crtc == connector->encoder->crtc) | |
11670 | break; | |
11671 | ||
11672 | if (crtc != connector->encoder->crtc) | |
11673 | continue; | |
ea9d758d | 11674 | |
a821fc46 | 11675 | if (crtc->state->enable && needs_modeset(crtc->state)) { |
68d34720 DV |
11676 | struct drm_property *dpms_property = |
11677 | dev->mode_config.dpms_property; | |
11678 | ||
ea9d758d | 11679 | connector->dpms = DRM_MODE_DPMS_ON; |
662595df | 11680 | drm_object_property_set_value(&connector->base, |
68d34720 DV |
11681 | dpms_property, |
11682 | DRM_MODE_DPMS_ON); | |
ea9d758d DV |
11683 | |
11684 | intel_encoder = to_intel_encoder(connector->encoder); | |
11685 | intel_encoder->connectors_active = true; | |
11686 | } | |
11687 | } | |
11688 | ||
11689 | } | |
11690 | ||
3bd26263 | 11691 | static bool intel_fuzzy_clock_check(int clock1, int clock2) |
f1f644dc | 11692 | { |
3bd26263 | 11693 | int diff; |
f1f644dc JB |
11694 | |
11695 | if (clock1 == clock2) | |
11696 | return true; | |
11697 | ||
11698 | if (!clock1 || !clock2) | |
11699 | return false; | |
11700 | ||
11701 | diff = abs(clock1 - clock2); | |
11702 | ||
11703 | if (((((diff + clock1 + clock2) * 100)) / (clock1 + clock2)) < 105) | |
11704 | return true; | |
11705 | ||
11706 | return false; | |
11707 | } | |
11708 | ||
25c5b266 DV |
11709 | #define for_each_intel_crtc_masked(dev, mask, intel_crtc) \ |
11710 | list_for_each_entry((intel_crtc), \ | |
11711 | &(dev)->mode_config.crtc_list, \ | |
11712 | base.head) \ | |
0973f18f | 11713 | if (mask & (1 <<(intel_crtc)->pipe)) |
25c5b266 | 11714 | |
0e8ffe1b | 11715 | static bool |
2fa2fe9a | 11716 | intel_pipe_config_compare(struct drm_device *dev, |
5cec258b ACO |
11717 | struct intel_crtc_state *current_config, |
11718 | struct intel_crtc_state *pipe_config) | |
0e8ffe1b | 11719 | { |
66e985c0 DV |
11720 | #define PIPE_CONF_CHECK_X(name) \ |
11721 | if (current_config->name != pipe_config->name) { \ | |
11722 | DRM_ERROR("mismatch in " #name " " \ | |
11723 | "(expected 0x%08x, found 0x%08x)\n", \ | |
11724 | current_config->name, \ | |
11725 | pipe_config->name); \ | |
11726 | return false; \ | |
11727 | } | |
11728 | ||
08a24034 DV |
11729 | #define PIPE_CONF_CHECK_I(name) \ |
11730 | if (current_config->name != pipe_config->name) { \ | |
11731 | DRM_ERROR("mismatch in " #name " " \ | |
11732 | "(expected %i, found %i)\n", \ | |
11733 | current_config->name, \ | |
11734 | pipe_config->name); \ | |
11735 | return false; \ | |
88adfff1 DV |
11736 | } |
11737 | ||
b95af8be VK |
11738 | /* This is required for BDW+ where there is only one set of registers for |
11739 | * switching between high and low RR. | |
11740 | * This macro can be used whenever a comparison has to be made between one | |
11741 | * hw state and multiple sw state variables. | |
11742 | */ | |
11743 | #define PIPE_CONF_CHECK_I_ALT(name, alt_name) \ | |
11744 | if ((current_config->name != pipe_config->name) && \ | |
11745 | (current_config->alt_name != pipe_config->name)) { \ | |
11746 | DRM_ERROR("mismatch in " #name " " \ | |
11747 | "(expected %i or %i, found %i)\n", \ | |
11748 | current_config->name, \ | |
11749 | current_config->alt_name, \ | |
11750 | pipe_config->name); \ | |
11751 | return false; \ | |
11752 | } | |
11753 | ||
1bd1bd80 DV |
11754 | #define PIPE_CONF_CHECK_FLAGS(name, mask) \ |
11755 | if ((current_config->name ^ pipe_config->name) & (mask)) { \ | |
6f02488e | 11756 | DRM_ERROR("mismatch in " #name "(" #mask ") " \ |
1bd1bd80 DV |
11757 | "(expected %i, found %i)\n", \ |
11758 | current_config->name & (mask), \ | |
11759 | pipe_config->name & (mask)); \ | |
11760 | return false; \ | |
11761 | } | |
11762 | ||
5e550656 VS |
11763 | #define PIPE_CONF_CHECK_CLOCK_FUZZY(name) \ |
11764 | if (!intel_fuzzy_clock_check(current_config->name, pipe_config->name)) { \ | |
11765 | DRM_ERROR("mismatch in " #name " " \ | |
11766 | "(expected %i, found %i)\n", \ | |
11767 | current_config->name, \ | |
11768 | pipe_config->name); \ | |
11769 | return false; \ | |
11770 | } | |
11771 | ||
bb760063 DV |
11772 | #define PIPE_CONF_QUIRK(quirk) \ |
11773 | ((current_config->quirks | pipe_config->quirks) & (quirk)) | |
11774 | ||
eccb140b DV |
11775 | PIPE_CONF_CHECK_I(cpu_transcoder); |
11776 | ||
08a24034 DV |
11777 | PIPE_CONF_CHECK_I(has_pch_encoder); |
11778 | PIPE_CONF_CHECK_I(fdi_lanes); | |
72419203 DV |
11779 | PIPE_CONF_CHECK_I(fdi_m_n.gmch_m); |
11780 | PIPE_CONF_CHECK_I(fdi_m_n.gmch_n); | |
11781 | PIPE_CONF_CHECK_I(fdi_m_n.link_m); | |
11782 | PIPE_CONF_CHECK_I(fdi_m_n.link_n); | |
11783 | PIPE_CONF_CHECK_I(fdi_m_n.tu); | |
08a24034 | 11784 | |
eb14cb74 | 11785 | PIPE_CONF_CHECK_I(has_dp_encoder); |
b95af8be VK |
11786 | |
11787 | if (INTEL_INFO(dev)->gen < 8) { | |
11788 | PIPE_CONF_CHECK_I(dp_m_n.gmch_m); | |
11789 | PIPE_CONF_CHECK_I(dp_m_n.gmch_n); | |
11790 | PIPE_CONF_CHECK_I(dp_m_n.link_m); | |
11791 | PIPE_CONF_CHECK_I(dp_m_n.link_n); | |
11792 | PIPE_CONF_CHECK_I(dp_m_n.tu); | |
11793 | ||
11794 | if (current_config->has_drrs) { | |
11795 | PIPE_CONF_CHECK_I(dp_m2_n2.gmch_m); | |
11796 | PIPE_CONF_CHECK_I(dp_m2_n2.gmch_n); | |
11797 | PIPE_CONF_CHECK_I(dp_m2_n2.link_m); | |
11798 | PIPE_CONF_CHECK_I(dp_m2_n2.link_n); | |
11799 | PIPE_CONF_CHECK_I(dp_m2_n2.tu); | |
11800 | } | |
11801 | } else { | |
11802 | PIPE_CONF_CHECK_I_ALT(dp_m_n.gmch_m, dp_m2_n2.gmch_m); | |
11803 | PIPE_CONF_CHECK_I_ALT(dp_m_n.gmch_n, dp_m2_n2.gmch_n); | |
11804 | PIPE_CONF_CHECK_I_ALT(dp_m_n.link_m, dp_m2_n2.link_m); | |
11805 | PIPE_CONF_CHECK_I_ALT(dp_m_n.link_n, dp_m2_n2.link_n); | |
11806 | PIPE_CONF_CHECK_I_ALT(dp_m_n.tu, dp_m2_n2.tu); | |
11807 | } | |
eb14cb74 | 11808 | |
2d112de7 ACO |
11809 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hdisplay); |
11810 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_htotal); | |
11811 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hblank_start); | |
11812 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hblank_end); | |
11813 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hsync_start); | |
11814 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hsync_end); | |
1bd1bd80 | 11815 | |
2d112de7 ACO |
11816 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vdisplay); |
11817 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vtotal); | |
11818 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vblank_start); | |
11819 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vblank_end); | |
11820 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vsync_start); | |
11821 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vsync_end); | |
1bd1bd80 | 11822 | |
c93f54cf | 11823 | PIPE_CONF_CHECK_I(pixel_multiplier); |
6897b4b5 | 11824 | PIPE_CONF_CHECK_I(has_hdmi_sink); |
b5a9fa09 DV |
11825 | if ((INTEL_INFO(dev)->gen < 8 && !IS_HASWELL(dev)) || |
11826 | IS_VALLEYVIEW(dev)) | |
11827 | PIPE_CONF_CHECK_I(limited_color_range); | |
e43823ec | 11828 | PIPE_CONF_CHECK_I(has_infoframe); |
6c49f241 | 11829 | |
9ed109a7 DV |
11830 | PIPE_CONF_CHECK_I(has_audio); |
11831 | ||
2d112de7 | 11832 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
1bd1bd80 DV |
11833 | DRM_MODE_FLAG_INTERLACE); |
11834 | ||
bb760063 | 11835 | if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS)) { |
2d112de7 | 11836 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 11837 | DRM_MODE_FLAG_PHSYNC); |
2d112de7 | 11838 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 11839 | DRM_MODE_FLAG_NHSYNC); |
2d112de7 | 11840 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 11841 | DRM_MODE_FLAG_PVSYNC); |
2d112de7 | 11842 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 DV |
11843 | DRM_MODE_FLAG_NVSYNC); |
11844 | } | |
045ac3b5 | 11845 | |
37327abd VS |
11846 | PIPE_CONF_CHECK_I(pipe_src_w); |
11847 | PIPE_CONF_CHECK_I(pipe_src_h); | |
1bd1bd80 | 11848 | |
9953599b DV |
11849 | /* |
11850 | * FIXME: BIOS likes to set up a cloned config with lvds+external | |
11851 | * screen. Since we don't yet re-compute the pipe config when moving | |
11852 | * just the lvds port away to another pipe the sw tracking won't match. | |
11853 | * | |
11854 | * Proper atomic modesets with recomputed global state will fix this. | |
11855 | * Until then just don't check gmch state for inherited modes. | |
11856 | */ | |
11857 | if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_INHERITED_MODE)) { | |
11858 | PIPE_CONF_CHECK_I(gmch_pfit.control); | |
11859 | /* pfit ratios are autocomputed by the hw on gen4+ */ | |
11860 | if (INTEL_INFO(dev)->gen < 4) | |
11861 | PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios); | |
11862 | PIPE_CONF_CHECK_I(gmch_pfit.lvds_border_bits); | |
11863 | } | |
11864 | ||
fd4daa9c CW |
11865 | PIPE_CONF_CHECK_I(pch_pfit.enabled); |
11866 | if (current_config->pch_pfit.enabled) { | |
11867 | PIPE_CONF_CHECK_I(pch_pfit.pos); | |
11868 | PIPE_CONF_CHECK_I(pch_pfit.size); | |
11869 | } | |
2fa2fe9a | 11870 | |
a1b2278e CK |
11871 | PIPE_CONF_CHECK_I(scaler_state.scaler_id); |
11872 | ||
e59150dc JB |
11873 | /* BDW+ don't expose a synchronous way to read the state */ |
11874 | if (IS_HASWELL(dev)) | |
11875 | PIPE_CONF_CHECK_I(ips_enabled); | |
42db64ef | 11876 | |
282740f7 VS |
11877 | PIPE_CONF_CHECK_I(double_wide); |
11878 | ||
26804afd DV |
11879 | PIPE_CONF_CHECK_X(ddi_pll_sel); |
11880 | ||
c0d43d62 | 11881 | PIPE_CONF_CHECK_I(shared_dpll); |
66e985c0 | 11882 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll); |
8bcc2795 | 11883 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md); |
66e985c0 DV |
11884 | PIPE_CONF_CHECK_X(dpll_hw_state.fp0); |
11885 | PIPE_CONF_CHECK_X(dpll_hw_state.fp1); | |
d452c5b6 | 11886 | PIPE_CONF_CHECK_X(dpll_hw_state.wrpll); |
3f4cd19f DL |
11887 | PIPE_CONF_CHECK_X(dpll_hw_state.ctrl1); |
11888 | PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr1); | |
11889 | PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr2); | |
c0d43d62 | 11890 | |
42571aef VS |
11891 | if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) |
11892 | PIPE_CONF_CHECK_I(pipe_bpp); | |
11893 | ||
2d112de7 | 11894 | PIPE_CONF_CHECK_CLOCK_FUZZY(base.adjusted_mode.crtc_clock); |
a9a7e98a | 11895 | PIPE_CONF_CHECK_CLOCK_FUZZY(port_clock); |
5e550656 | 11896 | |
66e985c0 | 11897 | #undef PIPE_CONF_CHECK_X |
08a24034 | 11898 | #undef PIPE_CONF_CHECK_I |
b95af8be | 11899 | #undef PIPE_CONF_CHECK_I_ALT |
1bd1bd80 | 11900 | #undef PIPE_CONF_CHECK_FLAGS |
5e550656 | 11901 | #undef PIPE_CONF_CHECK_CLOCK_FUZZY |
bb760063 | 11902 | #undef PIPE_CONF_QUIRK |
88adfff1 | 11903 | |
0e8ffe1b DV |
11904 | return true; |
11905 | } | |
11906 | ||
08db6652 DL |
11907 | static void check_wm_state(struct drm_device *dev) |
11908 | { | |
11909 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11910 | struct skl_ddb_allocation hw_ddb, *sw_ddb; | |
11911 | struct intel_crtc *intel_crtc; | |
11912 | int plane; | |
11913 | ||
11914 | if (INTEL_INFO(dev)->gen < 9) | |
11915 | return; | |
11916 | ||
11917 | skl_ddb_get_hw_state(dev_priv, &hw_ddb); | |
11918 | sw_ddb = &dev_priv->wm.skl_hw.ddb; | |
11919 | ||
11920 | for_each_intel_crtc(dev, intel_crtc) { | |
11921 | struct skl_ddb_entry *hw_entry, *sw_entry; | |
11922 | const enum pipe pipe = intel_crtc->pipe; | |
11923 | ||
11924 | if (!intel_crtc->active) | |
11925 | continue; | |
11926 | ||
11927 | /* planes */ | |
dd740780 | 11928 | for_each_plane(dev_priv, pipe, plane) { |
08db6652 DL |
11929 | hw_entry = &hw_ddb.plane[pipe][plane]; |
11930 | sw_entry = &sw_ddb->plane[pipe][plane]; | |
11931 | ||
11932 | if (skl_ddb_entry_equal(hw_entry, sw_entry)) | |
11933 | continue; | |
11934 | ||
11935 | DRM_ERROR("mismatch in DDB state pipe %c plane %d " | |
11936 | "(expected (%u,%u), found (%u,%u))\n", | |
11937 | pipe_name(pipe), plane + 1, | |
11938 | sw_entry->start, sw_entry->end, | |
11939 | hw_entry->start, hw_entry->end); | |
11940 | } | |
11941 | ||
11942 | /* cursor */ | |
11943 | hw_entry = &hw_ddb.cursor[pipe]; | |
11944 | sw_entry = &sw_ddb->cursor[pipe]; | |
11945 | ||
11946 | if (skl_ddb_entry_equal(hw_entry, sw_entry)) | |
11947 | continue; | |
11948 | ||
11949 | DRM_ERROR("mismatch in DDB state pipe %c cursor " | |
11950 | "(expected (%u,%u), found (%u,%u))\n", | |
11951 | pipe_name(pipe), | |
11952 | sw_entry->start, sw_entry->end, | |
11953 | hw_entry->start, hw_entry->end); | |
11954 | } | |
11955 | } | |
11956 | ||
91d1b4bd DV |
11957 | static void |
11958 | check_connector_state(struct drm_device *dev) | |
8af6cf88 | 11959 | { |
8af6cf88 DV |
11960 | struct intel_connector *connector; |
11961 | ||
3a3371ff | 11962 | for_each_intel_connector(dev, connector) { |
8af6cf88 DV |
11963 | /* This also checks the encoder/connector hw state with the |
11964 | * ->get_hw_state callbacks. */ | |
11965 | intel_connector_check_state(connector); | |
11966 | ||
e2c719b7 | 11967 | I915_STATE_WARN(&connector->new_encoder->base != connector->base.encoder, |
8af6cf88 DV |
11968 | "connector's staged encoder doesn't match current encoder\n"); |
11969 | } | |
91d1b4bd DV |
11970 | } |
11971 | ||
11972 | static void | |
11973 | check_encoder_state(struct drm_device *dev) | |
11974 | { | |
11975 | struct intel_encoder *encoder; | |
11976 | struct intel_connector *connector; | |
8af6cf88 | 11977 | |
b2784e15 | 11978 | for_each_intel_encoder(dev, encoder) { |
8af6cf88 DV |
11979 | bool enabled = false; |
11980 | bool active = false; | |
11981 | enum pipe pipe, tracked_pipe; | |
11982 | ||
11983 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", | |
11984 | encoder->base.base.id, | |
8e329a03 | 11985 | encoder->base.name); |
8af6cf88 | 11986 | |
e2c719b7 | 11987 | I915_STATE_WARN(&encoder->new_crtc->base != encoder->base.crtc, |
8af6cf88 | 11988 | "encoder's stage crtc doesn't match current crtc\n"); |
e2c719b7 | 11989 | I915_STATE_WARN(encoder->connectors_active && !encoder->base.crtc, |
8af6cf88 DV |
11990 | "encoder's active_connectors set, but no crtc\n"); |
11991 | ||
3a3371ff | 11992 | for_each_intel_connector(dev, connector) { |
8af6cf88 DV |
11993 | if (connector->base.encoder != &encoder->base) |
11994 | continue; | |
11995 | enabled = true; | |
11996 | if (connector->base.dpms != DRM_MODE_DPMS_OFF) | |
11997 | active = true; | |
11998 | } | |
0e32b39c DA |
11999 | /* |
12000 | * for MST connectors if we unplug the connector is gone | |
12001 | * away but the encoder is still connected to a crtc | |
12002 | * until a modeset happens in response to the hotplug. | |
12003 | */ | |
12004 | if (!enabled && encoder->base.encoder_type == DRM_MODE_ENCODER_DPMST) | |
12005 | continue; | |
12006 | ||
e2c719b7 | 12007 | I915_STATE_WARN(!!encoder->base.crtc != enabled, |
8af6cf88 DV |
12008 | "encoder's enabled state mismatch " |
12009 | "(expected %i, found %i)\n", | |
12010 | !!encoder->base.crtc, enabled); | |
e2c719b7 | 12011 | I915_STATE_WARN(active && !encoder->base.crtc, |
8af6cf88 DV |
12012 | "active encoder with no crtc\n"); |
12013 | ||
e2c719b7 | 12014 | I915_STATE_WARN(encoder->connectors_active != active, |
8af6cf88 DV |
12015 | "encoder's computed active state doesn't match tracked active state " |
12016 | "(expected %i, found %i)\n", active, encoder->connectors_active); | |
12017 | ||
12018 | active = encoder->get_hw_state(encoder, &pipe); | |
e2c719b7 | 12019 | I915_STATE_WARN(active != encoder->connectors_active, |
8af6cf88 DV |
12020 | "encoder's hw state doesn't match sw tracking " |
12021 | "(expected %i, found %i)\n", | |
12022 | encoder->connectors_active, active); | |
12023 | ||
12024 | if (!encoder->base.crtc) | |
12025 | continue; | |
12026 | ||
12027 | tracked_pipe = to_intel_crtc(encoder->base.crtc)->pipe; | |
e2c719b7 | 12028 | I915_STATE_WARN(active && pipe != tracked_pipe, |
8af6cf88 DV |
12029 | "active encoder's pipe doesn't match" |
12030 | "(expected %i, found %i)\n", | |
12031 | tracked_pipe, pipe); | |
12032 | ||
12033 | } | |
91d1b4bd DV |
12034 | } |
12035 | ||
12036 | static void | |
12037 | check_crtc_state(struct drm_device *dev) | |
12038 | { | |
fbee40df | 12039 | struct drm_i915_private *dev_priv = dev->dev_private; |
91d1b4bd DV |
12040 | struct intel_crtc *crtc; |
12041 | struct intel_encoder *encoder; | |
5cec258b | 12042 | struct intel_crtc_state pipe_config; |
8af6cf88 | 12043 | |
d3fcc808 | 12044 | for_each_intel_crtc(dev, crtc) { |
8af6cf88 DV |
12045 | bool enabled = false; |
12046 | bool active = false; | |
12047 | ||
045ac3b5 JB |
12048 | memset(&pipe_config, 0, sizeof(pipe_config)); |
12049 | ||
8af6cf88 DV |
12050 | DRM_DEBUG_KMS("[CRTC:%d]\n", |
12051 | crtc->base.base.id); | |
12052 | ||
83d65738 | 12053 | I915_STATE_WARN(crtc->active && !crtc->base.state->enable, |
8af6cf88 DV |
12054 | "active crtc, but not enabled in sw tracking\n"); |
12055 | ||
b2784e15 | 12056 | for_each_intel_encoder(dev, encoder) { |
8af6cf88 DV |
12057 | if (encoder->base.crtc != &crtc->base) |
12058 | continue; | |
12059 | enabled = true; | |
12060 | if (encoder->connectors_active) | |
12061 | active = true; | |
12062 | } | |
6c49f241 | 12063 | |
e2c719b7 | 12064 | I915_STATE_WARN(active != crtc->active, |
8af6cf88 DV |
12065 | "crtc's computed active state doesn't match tracked active state " |
12066 | "(expected %i, found %i)\n", active, crtc->active); | |
83d65738 | 12067 | I915_STATE_WARN(enabled != crtc->base.state->enable, |
8af6cf88 | 12068 | "crtc's computed enabled state doesn't match tracked enabled state " |
83d65738 MR |
12069 | "(expected %i, found %i)\n", enabled, |
12070 | crtc->base.state->enable); | |
8af6cf88 | 12071 | |
0e8ffe1b DV |
12072 | active = dev_priv->display.get_pipe_config(crtc, |
12073 | &pipe_config); | |
d62cf62a | 12074 | |
b6b5d049 VS |
12075 | /* hw state is inconsistent with the pipe quirk */ |
12076 | if ((crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
12077 | (crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
d62cf62a DV |
12078 | active = crtc->active; |
12079 | ||
b2784e15 | 12080 | for_each_intel_encoder(dev, encoder) { |
3eaba51c | 12081 | enum pipe pipe; |
6c49f241 DV |
12082 | if (encoder->base.crtc != &crtc->base) |
12083 | continue; | |
1d37b689 | 12084 | if (encoder->get_hw_state(encoder, &pipe)) |
6c49f241 DV |
12085 | encoder->get_config(encoder, &pipe_config); |
12086 | } | |
12087 | ||
e2c719b7 | 12088 | I915_STATE_WARN(crtc->active != active, |
0e8ffe1b DV |
12089 | "crtc active state doesn't match with hw state " |
12090 | "(expected %i, found %i)\n", crtc->active, active); | |
12091 | ||
c0b03411 | 12092 | if (active && |
6e3c9717 | 12093 | !intel_pipe_config_compare(dev, crtc->config, &pipe_config)) { |
e2c719b7 | 12094 | I915_STATE_WARN(1, "pipe state doesn't match!\n"); |
c0b03411 DV |
12095 | intel_dump_pipe_config(crtc, &pipe_config, |
12096 | "[hw state]"); | |
6e3c9717 | 12097 | intel_dump_pipe_config(crtc, crtc->config, |
c0b03411 DV |
12098 | "[sw state]"); |
12099 | } | |
8af6cf88 DV |
12100 | } |
12101 | } | |
12102 | ||
91d1b4bd DV |
12103 | static void |
12104 | check_shared_dpll_state(struct drm_device *dev) | |
12105 | { | |
fbee40df | 12106 | struct drm_i915_private *dev_priv = dev->dev_private; |
91d1b4bd DV |
12107 | struct intel_crtc *crtc; |
12108 | struct intel_dpll_hw_state dpll_hw_state; | |
12109 | int i; | |
5358901f DV |
12110 | |
12111 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
12112 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
12113 | int enabled_crtcs = 0, active_crtcs = 0; | |
12114 | bool active; | |
12115 | ||
12116 | memset(&dpll_hw_state, 0, sizeof(dpll_hw_state)); | |
12117 | ||
12118 | DRM_DEBUG_KMS("%s\n", pll->name); | |
12119 | ||
12120 | active = pll->get_hw_state(dev_priv, pll, &dpll_hw_state); | |
12121 | ||
e2c719b7 | 12122 | I915_STATE_WARN(pll->active > hweight32(pll->config.crtc_mask), |
5358901f | 12123 | "more active pll users than references: %i vs %i\n", |
3e369b76 | 12124 | pll->active, hweight32(pll->config.crtc_mask)); |
e2c719b7 | 12125 | I915_STATE_WARN(pll->active && !pll->on, |
5358901f | 12126 | "pll in active use but not on in sw tracking\n"); |
e2c719b7 | 12127 | I915_STATE_WARN(pll->on && !pll->active, |
35c95375 | 12128 | "pll in on but not on in use in sw tracking\n"); |
e2c719b7 | 12129 | I915_STATE_WARN(pll->on != active, |
5358901f DV |
12130 | "pll on state mismatch (expected %i, found %i)\n", |
12131 | pll->on, active); | |
12132 | ||
d3fcc808 | 12133 | for_each_intel_crtc(dev, crtc) { |
83d65738 | 12134 | if (crtc->base.state->enable && intel_crtc_to_shared_dpll(crtc) == pll) |
5358901f DV |
12135 | enabled_crtcs++; |
12136 | if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) | |
12137 | active_crtcs++; | |
12138 | } | |
e2c719b7 | 12139 | I915_STATE_WARN(pll->active != active_crtcs, |
5358901f DV |
12140 | "pll active crtcs mismatch (expected %i, found %i)\n", |
12141 | pll->active, active_crtcs); | |
e2c719b7 | 12142 | I915_STATE_WARN(hweight32(pll->config.crtc_mask) != enabled_crtcs, |
5358901f | 12143 | "pll enabled crtcs mismatch (expected %i, found %i)\n", |
3e369b76 | 12144 | hweight32(pll->config.crtc_mask), enabled_crtcs); |
66e985c0 | 12145 | |
e2c719b7 | 12146 | I915_STATE_WARN(pll->on && memcmp(&pll->config.hw_state, &dpll_hw_state, |
66e985c0 DV |
12147 | sizeof(dpll_hw_state)), |
12148 | "pll hw state mismatch\n"); | |
5358901f | 12149 | } |
8af6cf88 DV |
12150 | } |
12151 | ||
91d1b4bd DV |
12152 | void |
12153 | intel_modeset_check_state(struct drm_device *dev) | |
12154 | { | |
08db6652 | 12155 | check_wm_state(dev); |
91d1b4bd DV |
12156 | check_connector_state(dev); |
12157 | check_encoder_state(dev); | |
12158 | check_crtc_state(dev); | |
12159 | check_shared_dpll_state(dev); | |
12160 | } | |
12161 | ||
5cec258b | 12162 | void ironlake_check_encoder_dotclock(const struct intel_crtc_state *pipe_config, |
18442d08 VS |
12163 | int dotclock) |
12164 | { | |
12165 | /* | |
12166 | * FDI already provided one idea for the dotclock. | |
12167 | * Yell if the encoder disagrees. | |
12168 | */ | |
2d112de7 | 12169 | WARN(!intel_fuzzy_clock_check(pipe_config->base.adjusted_mode.crtc_clock, dotclock), |
18442d08 | 12170 | "FDI dotclock and encoder dotclock mismatch, fdi: %i, encoder: %i\n", |
2d112de7 | 12171 | pipe_config->base.adjusted_mode.crtc_clock, dotclock); |
18442d08 VS |
12172 | } |
12173 | ||
80715b2f VS |
12174 | static void update_scanline_offset(struct intel_crtc *crtc) |
12175 | { | |
12176 | struct drm_device *dev = crtc->base.dev; | |
12177 | ||
12178 | /* | |
12179 | * The scanline counter increments at the leading edge of hsync. | |
12180 | * | |
12181 | * On most platforms it starts counting from vtotal-1 on the | |
12182 | * first active line. That means the scanline counter value is | |
12183 | * always one less than what we would expect. Ie. just after | |
12184 | * start of vblank, which also occurs at start of hsync (on the | |
12185 | * last active line), the scanline counter will read vblank_start-1. | |
12186 | * | |
12187 | * On gen2 the scanline counter starts counting from 1 instead | |
12188 | * of vtotal-1, so we have to subtract one (or rather add vtotal-1 | |
12189 | * to keep the value positive), instead of adding one. | |
12190 | * | |
12191 | * On HSW+ the behaviour of the scanline counter depends on the output | |
12192 | * type. For DP ports it behaves like most other platforms, but on HDMI | |
12193 | * there's an extra 1 line difference. So we need to add two instead of | |
12194 | * one to the value. | |
12195 | */ | |
12196 | if (IS_GEN2(dev)) { | |
6e3c9717 | 12197 | const struct drm_display_mode *mode = &crtc->config->base.adjusted_mode; |
80715b2f VS |
12198 | int vtotal; |
12199 | ||
12200 | vtotal = mode->crtc_vtotal; | |
12201 | if (mode->flags & DRM_MODE_FLAG_INTERLACE) | |
12202 | vtotal /= 2; | |
12203 | ||
12204 | crtc->scanline_offset = vtotal - 1; | |
12205 | } else if (HAS_DDI(dev) && | |
409ee761 | 12206 | intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) { |
80715b2f VS |
12207 | crtc->scanline_offset = 2; |
12208 | } else | |
12209 | crtc->scanline_offset = 1; | |
12210 | } | |
12211 | ||
5cec258b | 12212 | static struct intel_crtc_state * |
7f27126e | 12213 | intel_modeset_compute_config(struct drm_crtc *crtc, |
0a9ab303 | 12214 | struct drm_atomic_state *state) |
7f27126e | 12215 | { |
548ee15b | 12216 | struct intel_crtc_state *pipe_config; |
0b901879 ACO |
12217 | int ret = 0; |
12218 | ||
12219 | ret = drm_atomic_add_affected_connectors(state, crtc); | |
12220 | if (ret) | |
12221 | return ERR_PTR(ret); | |
7f27126e | 12222 | |
8c7b5ccb ACO |
12223 | ret = drm_atomic_helper_check_modeset(state->dev, state); |
12224 | if (ret) | |
12225 | return ERR_PTR(ret); | |
7f27126e | 12226 | |
7f27126e JB |
12227 | /* |
12228 | * Note this needs changes when we start tracking multiple modes | |
12229 | * and crtcs. At that point we'll need to compute the whole config | |
12230 | * (i.e. one pipe_config for each crtc) rather than just the one | |
12231 | * for this crtc. | |
12232 | */ | |
548ee15b ACO |
12233 | pipe_config = intel_atomic_get_crtc_state(state, to_intel_crtc(crtc)); |
12234 | if (IS_ERR(pipe_config)) | |
12235 | return pipe_config; | |
83a57153 | 12236 | |
4fed33f6 | 12237 | if (!pipe_config->base.enable) |
548ee15b | 12238 | return pipe_config; |
7f27126e | 12239 | |
8c7b5ccb | 12240 | ret = intel_modeset_pipe_config(crtc, state, pipe_config); |
548ee15b ACO |
12241 | if (ret) |
12242 | return ERR_PTR(ret); | |
12243 | ||
8d8c9b51 ACO |
12244 | /* Check things that can only be changed through modeset */ |
12245 | if (pipe_config->has_audio != | |
12246 | to_intel_crtc(crtc)->config->has_audio) | |
12247 | pipe_config->base.mode_changed = true; | |
12248 | ||
12249 | /* | |
12250 | * Note we have an issue here with infoframes: current code | |
12251 | * only updates them on the full mode set path per hw | |
12252 | * requirements. So here we should be checking for any | |
12253 | * required changes and forcing a mode set. | |
12254 | */ | |
12255 | ||
548ee15b | 12256 | intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config,"[modeset]"); |
db7542dd | 12257 | |
8c7b5ccb ACO |
12258 | ret = drm_atomic_helper_check_planes(state->dev, state); |
12259 | if (ret) | |
12260 | return ERR_PTR(ret); | |
12261 | ||
548ee15b | 12262 | return pipe_config; |
7f27126e JB |
12263 | } |
12264 | ||
0a9ab303 | 12265 | static int __intel_set_mode_setup_plls(struct drm_atomic_state *state) |
ed6739ef | 12266 | { |
225da59b | 12267 | struct drm_device *dev = state->dev; |
ed6739ef | 12268 | struct drm_i915_private *dev_priv = to_i915(dev); |
0a9ab303 | 12269 | unsigned clear_pipes = 0; |
ed6739ef | 12270 | struct intel_crtc *intel_crtc; |
0a9ab303 ACO |
12271 | struct intel_crtc_state *intel_crtc_state; |
12272 | struct drm_crtc *crtc; | |
12273 | struct drm_crtc_state *crtc_state; | |
ed6739ef | 12274 | int ret = 0; |
0a9ab303 | 12275 | int i; |
ed6739ef ACO |
12276 | |
12277 | if (!dev_priv->display.crtc_compute_clock) | |
12278 | return 0; | |
12279 | ||
0a9ab303 ACO |
12280 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
12281 | intel_crtc = to_intel_crtc(crtc); | |
4978cc93 | 12282 | intel_crtc_state = to_intel_crtc_state(crtc_state); |
0a9ab303 | 12283 | |
4978cc93 | 12284 | if (needs_modeset(crtc_state)) { |
0a9ab303 | 12285 | clear_pipes |= 1 << intel_crtc->pipe; |
4978cc93 ACO |
12286 | intel_crtc_state->shared_dpll = DPLL_ID_PRIVATE; |
12287 | memset(&intel_crtc_state->dpll_hw_state, 0, | |
12288 | sizeof(intel_crtc_state->dpll_hw_state)); | |
12289 | } | |
0a9ab303 ACO |
12290 | } |
12291 | ||
ed6739ef ACO |
12292 | ret = intel_shared_dpll_start_config(dev_priv, clear_pipes); |
12293 | if (ret) | |
12294 | goto done; | |
12295 | ||
0a9ab303 ACO |
12296 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
12297 | if (!needs_modeset(crtc_state) || !crtc_state->enable) | |
225da59b ACO |
12298 | continue; |
12299 | ||
0a9ab303 ACO |
12300 | intel_crtc = to_intel_crtc(crtc); |
12301 | intel_crtc_state = to_intel_crtc_state(crtc_state); | |
12302 | ||
ed6739ef | 12303 | ret = dev_priv->display.crtc_compute_clock(intel_crtc, |
0a9ab303 | 12304 | intel_crtc_state); |
ed6739ef ACO |
12305 | if (ret) { |
12306 | intel_shared_dpll_abort_config(dev_priv); | |
12307 | goto done; | |
12308 | } | |
12309 | } | |
12310 | ||
12311 | done: | |
12312 | return ret; | |
12313 | } | |
12314 | ||
054518dd ACO |
12315 | /* Code that should eventually be part of atomic_check() */ |
12316 | static int __intel_set_mode_checks(struct drm_atomic_state *state) | |
12317 | { | |
12318 | struct drm_device *dev = state->dev; | |
12319 | int ret; | |
12320 | ||
12321 | /* | |
12322 | * See if the config requires any additional preparation, e.g. | |
12323 | * to adjust global state with pipes off. We need to do this | |
12324 | * here so we can get the modeset_pipe updated config for the new | |
12325 | * mode set on this crtc. For other crtcs we need to use the | |
12326 | * adjusted_mode bits in the crtc directly. | |
12327 | */ | |
12328 | if (IS_VALLEYVIEW(dev) || IS_BROXTON(dev)) { | |
12329 | ret = valleyview_modeset_global_pipes(state); | |
12330 | if (ret) | |
12331 | return ret; | |
12332 | } | |
12333 | ||
12334 | ret = __intel_set_mode_setup_plls(state); | |
12335 | if (ret) | |
12336 | return ret; | |
12337 | ||
12338 | return 0; | |
12339 | } | |
12340 | ||
0a9ab303 | 12341 | static int __intel_set_mode(struct drm_crtc *modeset_crtc, |
0a9ab303 | 12342 | struct intel_crtc_state *pipe_config) |
a6778b3c | 12343 | { |
0a9ab303 | 12344 | struct drm_device *dev = modeset_crtc->dev; |
fbee40df | 12345 | struct drm_i915_private *dev_priv = dev->dev_private; |
304603f4 | 12346 | struct drm_atomic_state *state = pipe_config->base.state; |
0a9ab303 ACO |
12347 | struct drm_crtc *crtc; |
12348 | struct drm_crtc_state *crtc_state; | |
c0c36b94 | 12349 | int ret = 0; |
0a9ab303 | 12350 | int i; |
a6778b3c | 12351 | |
054518dd ACO |
12352 | ret = __intel_set_mode_checks(state); |
12353 | if (ret < 0) | |
12354 | return ret; | |
12355 | ||
d4afb8cc ACO |
12356 | ret = drm_atomic_helper_prepare_planes(dev, state); |
12357 | if (ret) | |
12358 | return ret; | |
12359 | ||
0a9ab303 ACO |
12360 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
12361 | if (!needs_modeset(crtc_state)) | |
12362 | continue; | |
460da916 | 12363 | |
0a9ab303 ACO |
12364 | if (!crtc_state->enable) { |
12365 | intel_crtc_disable(crtc); | |
12366 | } else if (crtc->state->enable) { | |
12367 | intel_crtc_disable_planes(crtc); | |
12368 | dev_priv->display.crtc_disable(crtc); | |
ce22dba9 | 12369 | } |
ea9d758d | 12370 | } |
a6778b3c | 12371 | |
6c4c86f5 DV |
12372 | /* crtc->mode is already used by the ->mode_set callbacks, hence we need |
12373 | * to set it here already despite that we pass it down the callchain. | |
7f27126e JB |
12374 | * |
12375 | * Note we'll need to fix this up when we start tracking multiple | |
12376 | * pipes; here we assume a single modeset_pipe and only track the | |
12377 | * single crtc and mode. | |
f6e5b160 | 12378 | */ |
0a9ab303 | 12379 | if (pipe_config->base.enable && needs_modeset(&pipe_config->base)) { |
8c7b5ccb | 12380 | modeset_crtc->mode = pipe_config->base.mode; |
c326c0a9 VS |
12381 | |
12382 | /* | |
12383 | * Calculate and store various constants which | |
12384 | * are later needed by vblank and swap-completion | |
12385 | * timestamping. They are derived from true hwmode. | |
12386 | */ | |
0a9ab303 | 12387 | drm_calc_timestamping_constants(modeset_crtc, |
2d112de7 | 12388 | &pipe_config->base.adjusted_mode); |
b8cecdf5 | 12389 | } |
7758a113 | 12390 | |
ea9d758d DV |
12391 | /* Only after disabling all output pipelines that will be changed can we |
12392 | * update the the output configuration. */ | |
0a9ab303 | 12393 | intel_modeset_update_state(state); |
f6e5b160 | 12394 | |
a821fc46 ACO |
12395 | /* The state has been swaped above, so state actually contains the |
12396 | * old state now. */ | |
12397 | ||
304603f4 | 12398 | modeset_update_crtc_power_domains(state); |
47fab737 | 12399 | |
d4afb8cc | 12400 | drm_atomic_helper_commit_planes(dev, state); |
a6778b3c DV |
12401 | |
12402 | /* Now enable the clocks, plane, pipe, and connectors that we set up. */ | |
0a9ab303 | 12403 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
a821fc46 | 12404 | if (!needs_modeset(crtc->state) || !crtc->state->enable) |
0a9ab303 ACO |
12405 | continue; |
12406 | ||
12407 | update_scanline_offset(to_intel_crtc(crtc)); | |
80715b2f | 12408 | |
0a9ab303 ACO |
12409 | dev_priv->display.crtc_enable(crtc); |
12410 | intel_crtc_enable_planes(crtc); | |
80715b2f | 12411 | } |
a6778b3c | 12412 | |
a6778b3c | 12413 | /* FIXME: add subpixel order */ |
83a57153 | 12414 | |
d4afb8cc ACO |
12415 | drm_atomic_helper_cleanup_planes(dev, state); |
12416 | ||
2bfb4627 ACO |
12417 | drm_atomic_state_free(state); |
12418 | ||
9eb45f22 | 12419 | return 0; |
f6e5b160 CW |
12420 | } |
12421 | ||
0a9ab303 | 12422 | static int intel_set_mode_with_config(struct drm_crtc *crtc, |
0a9ab303 | 12423 | struct intel_crtc_state *pipe_config) |
f30da187 DV |
12424 | { |
12425 | int ret; | |
12426 | ||
8c7b5ccb | 12427 | ret = __intel_set_mode(crtc, pipe_config); |
f30da187 DV |
12428 | |
12429 | if (ret == 0) | |
12430 | intel_modeset_check_state(crtc->dev); | |
12431 | ||
12432 | return ret; | |
12433 | } | |
12434 | ||
7f27126e | 12435 | static int intel_set_mode(struct drm_crtc *crtc, |
83a57153 | 12436 | struct drm_atomic_state *state) |
7f27126e | 12437 | { |
5cec258b | 12438 | struct intel_crtc_state *pipe_config; |
83a57153 | 12439 | int ret = 0; |
7f27126e | 12440 | |
8c7b5ccb | 12441 | pipe_config = intel_modeset_compute_config(crtc, state); |
83a57153 ACO |
12442 | if (IS_ERR(pipe_config)) { |
12443 | ret = PTR_ERR(pipe_config); | |
12444 | goto out; | |
12445 | } | |
12446 | ||
8c7b5ccb | 12447 | ret = intel_set_mode_with_config(crtc, pipe_config); |
83a57153 ACO |
12448 | if (ret) |
12449 | goto out; | |
7f27126e | 12450 | |
83a57153 ACO |
12451 | out: |
12452 | return ret; | |
7f27126e JB |
12453 | } |
12454 | ||
c0c36b94 CW |
12455 | void intel_crtc_restore_mode(struct drm_crtc *crtc) |
12456 | { | |
83a57153 ACO |
12457 | struct drm_device *dev = crtc->dev; |
12458 | struct drm_atomic_state *state; | |
4be07317 | 12459 | struct intel_crtc *intel_crtc; |
83a57153 ACO |
12460 | struct intel_encoder *encoder; |
12461 | struct intel_connector *connector; | |
12462 | struct drm_connector_state *connector_state; | |
4be07317 | 12463 | struct intel_crtc_state *crtc_state; |
2bfb4627 | 12464 | int ret; |
83a57153 ACO |
12465 | |
12466 | state = drm_atomic_state_alloc(dev); | |
12467 | if (!state) { | |
12468 | DRM_DEBUG_KMS("[CRTC:%d] mode restore failed, out of memory", | |
12469 | crtc->base.id); | |
12470 | return; | |
12471 | } | |
12472 | ||
12473 | state->acquire_ctx = dev->mode_config.acquire_ctx; | |
12474 | ||
12475 | /* The force restore path in the HW readout code relies on the staged | |
12476 | * config still keeping the user requested config while the actual | |
12477 | * state has been overwritten by the configuration read from HW. We | |
12478 | * need to copy the staged config to the atomic state, otherwise the | |
12479 | * mode set will just reapply the state the HW is already in. */ | |
12480 | for_each_intel_encoder(dev, encoder) { | |
12481 | if (&encoder->new_crtc->base != crtc) | |
12482 | continue; | |
12483 | ||
12484 | for_each_intel_connector(dev, connector) { | |
12485 | if (connector->new_encoder != encoder) | |
12486 | continue; | |
12487 | ||
12488 | connector_state = drm_atomic_get_connector_state(state, &connector->base); | |
12489 | if (IS_ERR(connector_state)) { | |
12490 | DRM_DEBUG_KMS("Failed to add [CONNECTOR:%d:%s] to state: %ld\n", | |
12491 | connector->base.base.id, | |
12492 | connector->base.name, | |
12493 | PTR_ERR(connector_state)); | |
12494 | continue; | |
12495 | } | |
12496 | ||
12497 | connector_state->crtc = crtc; | |
12498 | connector_state->best_encoder = &encoder->base; | |
12499 | } | |
12500 | } | |
12501 | ||
4be07317 ACO |
12502 | for_each_intel_crtc(dev, intel_crtc) { |
12503 | if (intel_crtc->new_enabled == intel_crtc->base.enabled) | |
12504 | continue; | |
12505 | ||
12506 | crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); | |
12507 | if (IS_ERR(crtc_state)) { | |
12508 | DRM_DEBUG_KMS("Failed to add [CRTC:%d] to state: %ld\n", | |
12509 | intel_crtc->base.base.id, | |
12510 | PTR_ERR(crtc_state)); | |
12511 | continue; | |
12512 | } | |
12513 | ||
49d6fa21 ML |
12514 | crtc_state->base.active = crtc_state->base.enable = |
12515 | intel_crtc->new_enabled; | |
8c7b5ccb ACO |
12516 | |
12517 | if (&intel_crtc->base == crtc) | |
12518 | drm_mode_copy(&crtc_state->base.mode, &crtc->mode); | |
4be07317 ACO |
12519 | } |
12520 | ||
d3a40d1b ACO |
12521 | intel_modeset_setup_plane_state(state, crtc, &crtc->mode, |
12522 | crtc->primary->fb, crtc->x, crtc->y); | |
12523 | ||
2bfb4627 ACO |
12524 | ret = intel_set_mode(crtc, state); |
12525 | if (ret) | |
12526 | drm_atomic_state_free(state); | |
c0c36b94 CW |
12527 | } |
12528 | ||
25c5b266 DV |
12529 | #undef for_each_intel_crtc_masked |
12530 | ||
b7885264 ACO |
12531 | static bool intel_connector_in_mode_set(struct intel_connector *connector, |
12532 | struct drm_mode_set *set) | |
12533 | { | |
12534 | int ro; | |
12535 | ||
12536 | for (ro = 0; ro < set->num_connectors; ro++) | |
12537 | if (set->connectors[ro] == &connector->base) | |
12538 | return true; | |
12539 | ||
12540 | return false; | |
12541 | } | |
12542 | ||
2e431051 | 12543 | static int |
9a935856 DV |
12544 | intel_modeset_stage_output_state(struct drm_device *dev, |
12545 | struct drm_mode_set *set, | |
944b0c76 | 12546 | struct drm_atomic_state *state) |
50f56119 | 12547 | { |
9a935856 | 12548 | struct intel_connector *connector; |
d5432a9d | 12549 | struct drm_connector *drm_connector; |
944b0c76 | 12550 | struct drm_connector_state *connector_state; |
d5432a9d ACO |
12551 | struct drm_crtc *crtc; |
12552 | struct drm_crtc_state *crtc_state; | |
12553 | int i, ret; | |
50f56119 | 12554 | |
9abdda74 | 12555 | /* The upper layers ensure that we either disable a crtc or have a list |
9a935856 DV |
12556 | * of connectors. For paranoia, double-check this. */ |
12557 | WARN_ON(!set->fb && (set->num_connectors != 0)); | |
12558 | WARN_ON(set->fb && (set->num_connectors == 0)); | |
12559 | ||
3a3371ff | 12560 | for_each_intel_connector(dev, connector) { |
b7885264 ACO |
12561 | bool in_mode_set = intel_connector_in_mode_set(connector, set); |
12562 | ||
d5432a9d ACO |
12563 | if (!in_mode_set && connector->base.state->crtc != set->crtc) |
12564 | continue; | |
12565 | ||
12566 | connector_state = | |
12567 | drm_atomic_get_connector_state(state, &connector->base); | |
12568 | if (IS_ERR(connector_state)) | |
12569 | return PTR_ERR(connector_state); | |
12570 | ||
b7885264 ACO |
12571 | if (in_mode_set) { |
12572 | int pipe = to_intel_crtc(set->crtc)->pipe; | |
d5432a9d ACO |
12573 | connector_state->best_encoder = |
12574 | &intel_find_encoder(connector, pipe)->base; | |
50f56119 DV |
12575 | } |
12576 | ||
d5432a9d | 12577 | if (connector->base.state->crtc != set->crtc) |
b7885264 ACO |
12578 | continue; |
12579 | ||
9a935856 DV |
12580 | /* If we disable the crtc, disable all its connectors. Also, if |
12581 | * the connector is on the changing crtc but not on the new | |
12582 | * connector list, disable it. */ | |
b7885264 | 12583 | if (!set->fb || !in_mode_set) { |
d5432a9d | 12584 | connector_state->best_encoder = NULL; |
9a935856 DV |
12585 | |
12586 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [NOCRTC]\n", | |
12587 | connector->base.base.id, | |
c23cc417 | 12588 | connector->base.name); |
9a935856 | 12589 | } |
50f56119 | 12590 | } |
9a935856 | 12591 | /* connector->new_encoder is now updated for all connectors. */ |
50f56119 | 12592 | |
d5432a9d ACO |
12593 | for_each_connector_in_state(state, drm_connector, connector_state, i) { |
12594 | connector = to_intel_connector(drm_connector); | |
12595 | ||
12596 | if (!connector_state->best_encoder) { | |
12597 | ret = drm_atomic_set_crtc_for_connector(connector_state, | |
12598 | NULL); | |
12599 | if (ret) | |
12600 | return ret; | |
7668851f | 12601 | |
50f56119 | 12602 | continue; |
d5432a9d | 12603 | } |
50f56119 | 12604 | |
d5432a9d ACO |
12605 | if (intel_connector_in_mode_set(connector, set)) { |
12606 | struct drm_crtc *crtc = connector->base.state->crtc; | |
12607 | ||
12608 | /* If this connector was in a previous crtc, add it | |
12609 | * to the state. We might need to disable it. */ | |
12610 | if (crtc) { | |
12611 | crtc_state = | |
12612 | drm_atomic_get_crtc_state(state, crtc); | |
12613 | if (IS_ERR(crtc_state)) | |
12614 | return PTR_ERR(crtc_state); | |
12615 | } | |
12616 | ||
12617 | ret = drm_atomic_set_crtc_for_connector(connector_state, | |
12618 | set->crtc); | |
12619 | if (ret) | |
12620 | return ret; | |
12621 | } | |
50f56119 DV |
12622 | |
12623 | /* Make sure the new CRTC will work with the encoder */ | |
d5432a9d ACO |
12624 | if (!drm_encoder_crtc_ok(connector_state->best_encoder, |
12625 | connector_state->crtc)) { | |
5e2b584e | 12626 | return -EINVAL; |
50f56119 | 12627 | } |
944b0c76 | 12628 | |
9a935856 DV |
12629 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [CRTC:%d]\n", |
12630 | connector->base.base.id, | |
c23cc417 | 12631 | connector->base.name, |
d5432a9d | 12632 | connector_state->crtc->base.id); |
944b0c76 | 12633 | |
d5432a9d ACO |
12634 | if (connector_state->best_encoder != &connector->encoder->base) |
12635 | connector->encoder = | |
12636 | to_intel_encoder(connector_state->best_encoder); | |
0e32b39c | 12637 | } |
7668851f | 12638 | |
d5432a9d | 12639 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
49d6fa21 ML |
12640 | bool has_connectors; |
12641 | ||
d5432a9d ACO |
12642 | ret = drm_atomic_add_affected_connectors(state, crtc); |
12643 | if (ret) | |
12644 | return ret; | |
4be07317 | 12645 | |
49d6fa21 ML |
12646 | has_connectors = !!drm_atomic_connectors_for_crtc(state, crtc); |
12647 | if (has_connectors != crtc_state->enable) | |
12648 | crtc_state->enable = | |
12649 | crtc_state->active = has_connectors; | |
7668851f VS |
12650 | } |
12651 | ||
8c7b5ccb ACO |
12652 | ret = intel_modeset_setup_plane_state(state, set->crtc, set->mode, |
12653 | set->fb, set->x, set->y); | |
12654 | if (ret) | |
12655 | return ret; | |
12656 | ||
12657 | crtc_state = drm_atomic_get_crtc_state(state, set->crtc); | |
12658 | if (IS_ERR(crtc_state)) | |
12659 | return PTR_ERR(crtc_state); | |
12660 | ||
12661 | if (set->mode) | |
12662 | drm_mode_copy(&crtc_state->mode, set->mode); | |
12663 | ||
12664 | if (set->num_connectors) | |
12665 | crtc_state->active = true; | |
12666 | ||
2e431051 DV |
12667 | return 0; |
12668 | } | |
12669 | ||
bb546623 ACO |
12670 | static bool primary_plane_visible(struct drm_crtc *crtc) |
12671 | { | |
12672 | struct intel_plane_state *plane_state = | |
12673 | to_intel_plane_state(crtc->primary->state); | |
12674 | ||
12675 | return plane_state->visible; | |
12676 | } | |
12677 | ||
2e431051 DV |
12678 | static int intel_crtc_set_config(struct drm_mode_set *set) |
12679 | { | |
12680 | struct drm_device *dev; | |
83a57153 | 12681 | struct drm_atomic_state *state = NULL; |
5cec258b | 12682 | struct intel_crtc_state *pipe_config; |
bb546623 | 12683 | bool primary_plane_was_visible; |
2e431051 | 12684 | int ret; |
2e431051 | 12685 | |
8d3e375e DV |
12686 | BUG_ON(!set); |
12687 | BUG_ON(!set->crtc); | |
12688 | BUG_ON(!set->crtc->helper_private); | |
2e431051 | 12689 | |
7e53f3a4 DV |
12690 | /* Enforce sane interface api - has been abused by the fb helper. */ |
12691 | BUG_ON(!set->mode && set->fb); | |
12692 | BUG_ON(set->fb && set->num_connectors == 0); | |
431e50f7 | 12693 | |
2e431051 DV |
12694 | if (set->fb) { |
12695 | DRM_DEBUG_KMS("[CRTC:%d] [FB:%d] #connectors=%d (x y) (%i %i)\n", | |
12696 | set->crtc->base.id, set->fb->base.id, | |
12697 | (int)set->num_connectors, set->x, set->y); | |
12698 | } else { | |
12699 | DRM_DEBUG_KMS("[CRTC:%d] [NOFB]\n", set->crtc->base.id); | |
2e431051 DV |
12700 | } |
12701 | ||
12702 | dev = set->crtc->dev; | |
12703 | ||
83a57153 | 12704 | state = drm_atomic_state_alloc(dev); |
7cbf41d6 ACO |
12705 | if (!state) |
12706 | return -ENOMEM; | |
83a57153 ACO |
12707 | |
12708 | state->acquire_ctx = dev->mode_config.acquire_ctx; | |
12709 | ||
462a425a | 12710 | ret = intel_modeset_stage_output_state(dev, set, state); |
2e431051 | 12711 | if (ret) |
7cbf41d6 | 12712 | goto out; |
2e431051 | 12713 | |
8c7b5ccb | 12714 | pipe_config = intel_modeset_compute_config(set->crtc, state); |
20664591 | 12715 | if (IS_ERR(pipe_config)) { |
6ac0483b | 12716 | ret = PTR_ERR(pipe_config); |
7cbf41d6 | 12717 | goto out; |
20664591 | 12718 | } |
50f52756 | 12719 | |
1f9954d0 JB |
12720 | intel_update_pipe_size(to_intel_crtc(set->crtc)); |
12721 | ||
bb546623 ACO |
12722 | primary_plane_was_visible = primary_plane_visible(set->crtc); |
12723 | ||
8c7b5ccb | 12724 | ret = intel_set_mode_with_config(set->crtc, pipe_config); |
bb546623 ACO |
12725 | |
12726 | if (ret == 0 && | |
12727 | pipe_config->base.enable && | |
12728 | pipe_config->base.planes_changed && | |
12729 | !needs_modeset(&pipe_config->base)) { | |
3b150f08 | 12730 | struct intel_crtc *intel_crtc = to_intel_crtc(set->crtc); |
3b150f08 MR |
12731 | |
12732 | /* | |
12733 | * We need to make sure the primary plane is re-enabled if it | |
12734 | * has previously been turned off. | |
12735 | */ | |
bb546623 ACO |
12736 | if (ret == 0 && !primary_plane_was_visible && |
12737 | primary_plane_visible(set->crtc)) { | |
3b150f08 | 12738 | WARN_ON(!intel_crtc->active); |
87d4300a | 12739 | intel_post_enable_primary(set->crtc); |
3b150f08 MR |
12740 | } |
12741 | ||
7ca51a3a JB |
12742 | /* |
12743 | * In the fastboot case this may be our only check of the | |
12744 | * state after boot. It would be better to only do it on | |
12745 | * the first update, but we don't have a nice way of doing that | |
12746 | * (and really, set_config isn't used much for high freq page | |
12747 | * flipping, so increasing its cost here shouldn't be a big | |
12748 | * deal). | |
12749 | */ | |
d330a953 | 12750 | if (i915.fastboot && ret == 0) |
7ca51a3a | 12751 | intel_modeset_check_state(set->crtc->dev); |
50f56119 DV |
12752 | } |
12753 | ||
2d05eae1 | 12754 | if (ret) { |
bf67dfeb DV |
12755 | DRM_DEBUG_KMS("failed to set mode on [CRTC:%d], err = %d\n", |
12756 | set->crtc->base.id, ret); | |
2d05eae1 | 12757 | } |
50f56119 | 12758 | |
7cbf41d6 | 12759 | out: |
2bfb4627 ACO |
12760 | if (ret) |
12761 | drm_atomic_state_free(state); | |
50f56119 DV |
12762 | return ret; |
12763 | } | |
f6e5b160 CW |
12764 | |
12765 | static const struct drm_crtc_funcs intel_crtc_funcs = { | |
f6e5b160 | 12766 | .gamma_set = intel_crtc_gamma_set, |
50f56119 | 12767 | .set_config = intel_crtc_set_config, |
f6e5b160 CW |
12768 | .destroy = intel_crtc_destroy, |
12769 | .page_flip = intel_crtc_page_flip, | |
1356837e MR |
12770 | .atomic_duplicate_state = intel_crtc_duplicate_state, |
12771 | .atomic_destroy_state = intel_crtc_destroy_state, | |
f6e5b160 CW |
12772 | }; |
12773 | ||
5358901f DV |
12774 | static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv, |
12775 | struct intel_shared_dpll *pll, | |
12776 | struct intel_dpll_hw_state *hw_state) | |
ee7b9f93 | 12777 | { |
5358901f | 12778 | uint32_t val; |
ee7b9f93 | 12779 | |
f458ebbc | 12780 | if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PLLS)) |
bd2bb1b9 PZ |
12781 | return false; |
12782 | ||
5358901f | 12783 | val = I915_READ(PCH_DPLL(pll->id)); |
66e985c0 DV |
12784 | hw_state->dpll = val; |
12785 | hw_state->fp0 = I915_READ(PCH_FP0(pll->id)); | |
12786 | hw_state->fp1 = I915_READ(PCH_FP1(pll->id)); | |
5358901f DV |
12787 | |
12788 | return val & DPLL_VCO_ENABLE; | |
12789 | } | |
12790 | ||
15bdd4cf DV |
12791 | static void ibx_pch_dpll_mode_set(struct drm_i915_private *dev_priv, |
12792 | struct intel_shared_dpll *pll) | |
12793 | { | |
3e369b76 ACO |
12794 | I915_WRITE(PCH_FP0(pll->id), pll->config.hw_state.fp0); |
12795 | I915_WRITE(PCH_FP1(pll->id), pll->config.hw_state.fp1); | |
15bdd4cf DV |
12796 | } |
12797 | ||
e7b903d2 DV |
12798 | static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv, |
12799 | struct intel_shared_dpll *pll) | |
12800 | { | |
e7b903d2 | 12801 | /* PCH refclock must be enabled first */ |
89eff4be | 12802 | ibx_assert_pch_refclk_enabled(dev_priv); |
e7b903d2 | 12803 | |
3e369b76 | 12804 | I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll); |
15bdd4cf DV |
12805 | |
12806 | /* Wait for the clocks to stabilize. */ | |
12807 | POSTING_READ(PCH_DPLL(pll->id)); | |
12808 | udelay(150); | |
12809 | ||
12810 | /* The pixel multiplier can only be updated once the | |
12811 | * DPLL is enabled and the clocks are stable. | |
12812 | * | |
12813 | * So write it again. | |
12814 | */ | |
3e369b76 | 12815 | I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll); |
15bdd4cf | 12816 | POSTING_READ(PCH_DPLL(pll->id)); |
e7b903d2 DV |
12817 | udelay(200); |
12818 | } | |
12819 | ||
12820 | static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv, | |
12821 | struct intel_shared_dpll *pll) | |
12822 | { | |
12823 | struct drm_device *dev = dev_priv->dev; | |
12824 | struct intel_crtc *crtc; | |
e7b903d2 DV |
12825 | |
12826 | /* Make sure no transcoder isn't still depending on us. */ | |
d3fcc808 | 12827 | for_each_intel_crtc(dev, crtc) { |
e7b903d2 DV |
12828 | if (intel_crtc_to_shared_dpll(crtc) == pll) |
12829 | assert_pch_transcoder_disabled(dev_priv, crtc->pipe); | |
ee7b9f93 JB |
12830 | } |
12831 | ||
15bdd4cf DV |
12832 | I915_WRITE(PCH_DPLL(pll->id), 0); |
12833 | POSTING_READ(PCH_DPLL(pll->id)); | |
e7b903d2 DV |
12834 | udelay(200); |
12835 | } | |
12836 | ||
46edb027 DV |
12837 | static char *ibx_pch_dpll_names[] = { |
12838 | "PCH DPLL A", | |
12839 | "PCH DPLL B", | |
12840 | }; | |
12841 | ||
7c74ade1 | 12842 | static void ibx_pch_dpll_init(struct drm_device *dev) |
ee7b9f93 | 12843 | { |
e7b903d2 | 12844 | struct drm_i915_private *dev_priv = dev->dev_private; |
ee7b9f93 JB |
12845 | int i; |
12846 | ||
7c74ade1 | 12847 | dev_priv->num_shared_dpll = 2; |
ee7b9f93 | 12848 | |
e72f9fbf | 12849 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
46edb027 DV |
12850 | dev_priv->shared_dplls[i].id = i; |
12851 | dev_priv->shared_dplls[i].name = ibx_pch_dpll_names[i]; | |
15bdd4cf | 12852 | dev_priv->shared_dplls[i].mode_set = ibx_pch_dpll_mode_set; |
e7b903d2 DV |
12853 | dev_priv->shared_dplls[i].enable = ibx_pch_dpll_enable; |
12854 | dev_priv->shared_dplls[i].disable = ibx_pch_dpll_disable; | |
5358901f DV |
12855 | dev_priv->shared_dplls[i].get_hw_state = |
12856 | ibx_pch_dpll_get_hw_state; | |
ee7b9f93 JB |
12857 | } |
12858 | } | |
12859 | ||
7c74ade1 DV |
12860 | static void intel_shared_dpll_init(struct drm_device *dev) |
12861 | { | |
e7b903d2 | 12862 | struct drm_i915_private *dev_priv = dev->dev_private; |
7c74ade1 | 12863 | |
9cd86933 DV |
12864 | if (HAS_DDI(dev)) |
12865 | intel_ddi_pll_init(dev); | |
12866 | else if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
7c74ade1 DV |
12867 | ibx_pch_dpll_init(dev); |
12868 | else | |
12869 | dev_priv->num_shared_dpll = 0; | |
12870 | ||
12871 | BUG_ON(dev_priv->num_shared_dpll > I915_NUM_PLLS); | |
7c74ade1 DV |
12872 | } |
12873 | ||
1fc0a8f7 TU |
12874 | /** |
12875 | * intel_wm_need_update - Check whether watermarks need updating | |
12876 | * @plane: drm plane | |
12877 | * @state: new plane state | |
12878 | * | |
12879 | * Check current plane state versus the new one to determine whether | |
12880 | * watermarks need to be recalculated. | |
12881 | * | |
12882 | * Returns true or false. | |
12883 | */ | |
12884 | bool intel_wm_need_update(struct drm_plane *plane, | |
12885 | struct drm_plane_state *state) | |
12886 | { | |
12887 | /* Update watermarks on tiling changes. */ | |
12888 | if (!plane->state->fb || !state->fb || | |
12889 | plane->state->fb->modifier[0] != state->fb->modifier[0] || | |
12890 | plane->state->rotation != state->rotation) | |
12891 | return true; | |
12892 | ||
12893 | return false; | |
12894 | } | |
12895 | ||
6beb8c23 MR |
12896 | /** |
12897 | * intel_prepare_plane_fb - Prepare fb for usage on plane | |
12898 | * @plane: drm plane to prepare for | |
12899 | * @fb: framebuffer to prepare for presentation | |
12900 | * | |
12901 | * Prepares a framebuffer for usage on a display plane. Generally this | |
12902 | * involves pinning the underlying object and updating the frontbuffer tracking | |
12903 | * bits. Some older platforms need special physical address handling for | |
12904 | * cursor planes. | |
12905 | * | |
12906 | * Returns 0 on success, negative error code on failure. | |
12907 | */ | |
12908 | int | |
12909 | intel_prepare_plane_fb(struct drm_plane *plane, | |
d136dfee TU |
12910 | struct drm_framebuffer *fb, |
12911 | const struct drm_plane_state *new_state) | |
465c120c MR |
12912 | { |
12913 | struct drm_device *dev = plane->dev; | |
6beb8c23 MR |
12914 | struct intel_plane *intel_plane = to_intel_plane(plane); |
12915 | enum pipe pipe = intel_plane->pipe; | |
12916 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); | |
12917 | struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb); | |
12918 | unsigned frontbuffer_bits = 0; | |
12919 | int ret = 0; | |
465c120c | 12920 | |
ea2c67bb | 12921 | if (!obj) |
465c120c MR |
12922 | return 0; |
12923 | ||
6beb8c23 MR |
12924 | switch (plane->type) { |
12925 | case DRM_PLANE_TYPE_PRIMARY: | |
12926 | frontbuffer_bits = INTEL_FRONTBUFFER_PRIMARY(pipe); | |
12927 | break; | |
12928 | case DRM_PLANE_TYPE_CURSOR: | |
12929 | frontbuffer_bits = INTEL_FRONTBUFFER_CURSOR(pipe); | |
12930 | break; | |
12931 | case DRM_PLANE_TYPE_OVERLAY: | |
12932 | frontbuffer_bits = INTEL_FRONTBUFFER_SPRITE(pipe); | |
12933 | break; | |
12934 | } | |
465c120c | 12935 | |
6beb8c23 | 12936 | mutex_lock(&dev->struct_mutex); |
465c120c | 12937 | |
6beb8c23 MR |
12938 | if (plane->type == DRM_PLANE_TYPE_CURSOR && |
12939 | INTEL_INFO(dev)->cursor_needs_physical) { | |
12940 | int align = IS_I830(dev) ? 16 * 1024 : 256; | |
12941 | ret = i915_gem_object_attach_phys(obj, align); | |
12942 | if (ret) | |
12943 | DRM_DEBUG_KMS("failed to attach phys object\n"); | |
12944 | } else { | |
82bc3b2d | 12945 | ret = intel_pin_and_fence_fb_obj(plane, fb, new_state, NULL); |
6beb8c23 | 12946 | } |
465c120c | 12947 | |
6beb8c23 MR |
12948 | if (ret == 0) |
12949 | i915_gem_track_fb(old_obj, obj, frontbuffer_bits); | |
fdd508a6 | 12950 | |
4c34574f | 12951 | mutex_unlock(&dev->struct_mutex); |
465c120c | 12952 | |
6beb8c23 MR |
12953 | return ret; |
12954 | } | |
12955 | ||
38f3ce3a MR |
12956 | /** |
12957 | * intel_cleanup_plane_fb - Cleans up an fb after plane use | |
12958 | * @plane: drm plane to clean up for | |
12959 | * @fb: old framebuffer that was on plane | |
12960 | * | |
12961 | * Cleans up a framebuffer that has just been removed from a plane. | |
12962 | */ | |
12963 | void | |
12964 | intel_cleanup_plane_fb(struct drm_plane *plane, | |
d136dfee TU |
12965 | struct drm_framebuffer *fb, |
12966 | const struct drm_plane_state *old_state) | |
38f3ce3a MR |
12967 | { |
12968 | struct drm_device *dev = plane->dev; | |
12969 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); | |
12970 | ||
12971 | if (WARN_ON(!obj)) | |
12972 | return; | |
12973 | ||
12974 | if (plane->type != DRM_PLANE_TYPE_CURSOR || | |
12975 | !INTEL_INFO(dev)->cursor_needs_physical) { | |
12976 | mutex_lock(&dev->struct_mutex); | |
82bc3b2d | 12977 | intel_unpin_fb_obj(fb, old_state); |
38f3ce3a MR |
12978 | mutex_unlock(&dev->struct_mutex); |
12979 | } | |
465c120c MR |
12980 | } |
12981 | ||
6156a456 CK |
12982 | int |
12983 | skl_max_scale(struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state) | |
12984 | { | |
12985 | int max_scale; | |
12986 | struct drm_device *dev; | |
12987 | struct drm_i915_private *dev_priv; | |
12988 | int crtc_clock, cdclk; | |
12989 | ||
12990 | if (!intel_crtc || !crtc_state) | |
12991 | return DRM_PLANE_HELPER_NO_SCALING; | |
12992 | ||
12993 | dev = intel_crtc->base.dev; | |
12994 | dev_priv = dev->dev_private; | |
12995 | crtc_clock = crtc_state->base.adjusted_mode.crtc_clock; | |
12996 | cdclk = dev_priv->display.get_display_clock_speed(dev); | |
12997 | ||
12998 | if (!crtc_clock || !cdclk) | |
12999 | return DRM_PLANE_HELPER_NO_SCALING; | |
13000 | ||
13001 | /* | |
13002 | * skl max scale is lower of: | |
13003 | * close to 3 but not 3, -1 is for that purpose | |
13004 | * or | |
13005 | * cdclk/crtc_clock | |
13006 | */ | |
13007 | max_scale = min((1 << 16) * 3 - 1, (1 << 8) * ((cdclk << 8) / crtc_clock)); | |
13008 | ||
13009 | return max_scale; | |
13010 | } | |
13011 | ||
465c120c | 13012 | static int |
3c692a41 GP |
13013 | intel_check_primary_plane(struct drm_plane *plane, |
13014 | struct intel_plane_state *state) | |
13015 | { | |
32b7eeec MR |
13016 | struct drm_device *dev = plane->dev; |
13017 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2b875c22 | 13018 | struct drm_crtc *crtc = state->base.crtc; |
ea2c67bb | 13019 | struct intel_crtc *intel_crtc; |
6156a456 | 13020 | struct intel_crtc_state *crtc_state; |
2b875c22 | 13021 | struct drm_framebuffer *fb = state->base.fb; |
3c692a41 GP |
13022 | struct drm_rect *dest = &state->dst; |
13023 | struct drm_rect *src = &state->src; | |
13024 | const struct drm_rect *clip = &state->clip; | |
d8106366 | 13025 | bool can_position = false; |
6156a456 CK |
13026 | int max_scale = DRM_PLANE_HELPER_NO_SCALING; |
13027 | int min_scale = DRM_PLANE_HELPER_NO_SCALING; | |
465c120c MR |
13028 | int ret; |
13029 | ||
ea2c67bb MR |
13030 | crtc = crtc ? crtc : plane->crtc; |
13031 | intel_crtc = to_intel_crtc(crtc); | |
6156a456 CK |
13032 | crtc_state = state->base.state ? |
13033 | intel_atomic_get_crtc_state(state->base.state, intel_crtc) : NULL; | |
ea2c67bb | 13034 | |
6156a456 CK |
13035 | if (INTEL_INFO(dev)->gen >= 9) { |
13036 | min_scale = 1; | |
13037 | max_scale = skl_max_scale(intel_crtc, crtc_state); | |
d8106366 | 13038 | can_position = true; |
6156a456 | 13039 | } |
d8106366 | 13040 | |
c59cb179 MR |
13041 | ret = drm_plane_helper_check_update(plane, crtc, fb, |
13042 | src, dest, clip, | |
6156a456 CK |
13043 | min_scale, |
13044 | max_scale, | |
d8106366 SJ |
13045 | can_position, true, |
13046 | &state->visible); | |
c59cb179 MR |
13047 | if (ret) |
13048 | return ret; | |
465c120c | 13049 | |
32b7eeec | 13050 | if (intel_crtc->active) { |
b70709a6 ML |
13051 | struct intel_plane_state *old_state = |
13052 | to_intel_plane_state(plane->state); | |
13053 | ||
32b7eeec MR |
13054 | intel_crtc->atomic.wait_for_flips = true; |
13055 | ||
13056 | /* | |
13057 | * FBC does not work on some platforms for rotated | |
13058 | * planes, so disable it when rotation is not 0 and | |
13059 | * update it when rotation is set back to 0. | |
13060 | * | |
13061 | * FIXME: This is redundant with the fbc update done in | |
13062 | * the primary plane enable function except that that | |
13063 | * one is done too late. We eventually need to unify | |
13064 | * this. | |
13065 | */ | |
b70709a6 | 13066 | if (state->visible && |
32b7eeec | 13067 | INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev) && |
e35fef21 | 13068 | dev_priv->fbc.crtc == intel_crtc && |
8e7d688b | 13069 | state->base.rotation != BIT(DRM_ROTATE_0)) { |
32b7eeec MR |
13070 | intel_crtc->atomic.disable_fbc = true; |
13071 | } | |
13072 | ||
b70709a6 | 13073 | if (state->visible && !old_state->visible) { |
32b7eeec MR |
13074 | /* |
13075 | * BDW signals flip done immediately if the plane | |
13076 | * is disabled, even if the plane enable is already | |
13077 | * armed to occur at the next vblank :( | |
13078 | */ | |
b70709a6 | 13079 | if (IS_BROADWELL(dev)) |
32b7eeec MR |
13080 | intel_crtc->atomic.wait_vblank = true; |
13081 | } | |
13082 | ||
13083 | intel_crtc->atomic.fb_bits |= | |
13084 | INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe); | |
13085 | ||
13086 | intel_crtc->atomic.update_fbc = true; | |
0fda6568 | 13087 | |
1fc0a8f7 | 13088 | if (intel_wm_need_update(plane, &state->base)) |
0fda6568 | 13089 | intel_crtc->atomic.update_wm = true; |
ccc759dc GP |
13090 | } |
13091 | ||
6156a456 CK |
13092 | if (INTEL_INFO(dev)->gen >= 9) { |
13093 | ret = skl_update_scaler_users(intel_crtc, crtc_state, | |
13094 | to_intel_plane(plane), state, 0); | |
13095 | if (ret) | |
13096 | return ret; | |
13097 | } | |
13098 | ||
14af293f GP |
13099 | return 0; |
13100 | } | |
13101 | ||
13102 | static void | |
13103 | intel_commit_primary_plane(struct drm_plane *plane, | |
13104 | struct intel_plane_state *state) | |
13105 | { | |
2b875c22 MR |
13106 | struct drm_crtc *crtc = state->base.crtc; |
13107 | struct drm_framebuffer *fb = state->base.fb; | |
13108 | struct drm_device *dev = plane->dev; | |
14af293f | 13109 | struct drm_i915_private *dev_priv = dev->dev_private; |
ea2c67bb | 13110 | struct intel_crtc *intel_crtc; |
14af293f GP |
13111 | struct drm_rect *src = &state->src; |
13112 | ||
ea2c67bb MR |
13113 | crtc = crtc ? crtc : plane->crtc; |
13114 | intel_crtc = to_intel_crtc(crtc); | |
cf4c7c12 MR |
13115 | |
13116 | plane->fb = fb; | |
9dc806fc MR |
13117 | crtc->x = src->x1 >> 16; |
13118 | crtc->y = src->y1 >> 16; | |
ccc759dc | 13119 | |
ccc759dc | 13120 | if (intel_crtc->active) { |
27321ae8 | 13121 | if (state->visible) |
ccc759dc GP |
13122 | /* FIXME: kill this fastboot hack */ |
13123 | intel_update_pipe_size(intel_crtc); | |
465c120c | 13124 | |
27321ae8 ML |
13125 | dev_priv->display.update_primary_plane(crtc, plane->fb, |
13126 | crtc->x, crtc->y); | |
ccc759dc | 13127 | } |
465c120c MR |
13128 | } |
13129 | ||
a8ad0d8e ML |
13130 | static void |
13131 | intel_disable_primary_plane(struct drm_plane *plane, | |
13132 | struct drm_crtc *crtc, | |
13133 | bool force) | |
13134 | { | |
13135 | struct drm_device *dev = plane->dev; | |
13136 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13137 | ||
a8ad0d8e ML |
13138 | dev_priv->display.update_primary_plane(crtc, NULL, 0, 0); |
13139 | } | |
13140 | ||
32b7eeec | 13141 | static void intel_begin_crtc_commit(struct drm_crtc *crtc) |
3c692a41 | 13142 | { |
32b7eeec | 13143 | struct drm_device *dev = crtc->dev; |
140fd38d | 13144 | struct drm_i915_private *dev_priv = dev->dev_private; |
3c692a41 | 13145 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
ea2c67bb MR |
13146 | struct intel_plane *intel_plane; |
13147 | struct drm_plane *p; | |
13148 | unsigned fb_bits = 0; | |
13149 | ||
13150 | /* Track fb's for any planes being disabled */ | |
13151 | list_for_each_entry(p, &dev->mode_config.plane_list, head) { | |
13152 | intel_plane = to_intel_plane(p); | |
13153 | ||
13154 | if (intel_crtc->atomic.disabled_planes & | |
13155 | (1 << drm_plane_index(p))) { | |
13156 | switch (p->type) { | |
13157 | case DRM_PLANE_TYPE_PRIMARY: | |
13158 | fb_bits = INTEL_FRONTBUFFER_PRIMARY(intel_plane->pipe); | |
13159 | break; | |
13160 | case DRM_PLANE_TYPE_CURSOR: | |
13161 | fb_bits = INTEL_FRONTBUFFER_CURSOR(intel_plane->pipe); | |
13162 | break; | |
13163 | case DRM_PLANE_TYPE_OVERLAY: | |
13164 | fb_bits = INTEL_FRONTBUFFER_SPRITE(intel_plane->pipe); | |
13165 | break; | |
13166 | } | |
3c692a41 | 13167 | |
ea2c67bb MR |
13168 | mutex_lock(&dev->struct_mutex); |
13169 | i915_gem_track_fb(intel_fb_obj(p->fb), NULL, fb_bits); | |
13170 | mutex_unlock(&dev->struct_mutex); | |
13171 | } | |
13172 | } | |
3c692a41 | 13173 | |
32b7eeec MR |
13174 | if (intel_crtc->atomic.wait_for_flips) |
13175 | intel_crtc_wait_for_pending_flips(crtc); | |
3c692a41 | 13176 | |
32b7eeec MR |
13177 | if (intel_crtc->atomic.disable_fbc) |
13178 | intel_fbc_disable(dev); | |
3c692a41 | 13179 | |
32b7eeec MR |
13180 | if (intel_crtc->atomic.pre_disable_primary) |
13181 | intel_pre_disable_primary(crtc); | |
3c692a41 | 13182 | |
32b7eeec MR |
13183 | if (intel_crtc->atomic.update_wm) |
13184 | intel_update_watermarks(crtc); | |
3c692a41 | 13185 | |
32b7eeec | 13186 | intel_runtime_pm_get(dev_priv); |
3c692a41 | 13187 | |
c34c9ee4 MR |
13188 | /* Perform vblank evasion around commit operation */ |
13189 | if (intel_crtc->active) | |
13190 | intel_crtc->atomic.evade = | |
13191 | intel_pipe_update_start(intel_crtc, | |
13192 | &intel_crtc->atomic.start_vbl_count); | |
32b7eeec MR |
13193 | } |
13194 | ||
13195 | static void intel_finish_crtc_commit(struct drm_crtc *crtc) | |
13196 | { | |
13197 | struct drm_device *dev = crtc->dev; | |
13198 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13199 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
13200 | struct drm_plane *p; | |
13201 | ||
c34c9ee4 MR |
13202 | if (intel_crtc->atomic.evade) |
13203 | intel_pipe_update_end(intel_crtc, | |
13204 | intel_crtc->atomic.start_vbl_count); | |
3c692a41 | 13205 | |
140fd38d | 13206 | intel_runtime_pm_put(dev_priv); |
3c692a41 | 13207 | |
32b7eeec MR |
13208 | if (intel_crtc->atomic.wait_vblank) |
13209 | intel_wait_for_vblank(dev, intel_crtc->pipe); | |
13210 | ||
13211 | intel_frontbuffer_flip(dev, intel_crtc->atomic.fb_bits); | |
13212 | ||
13213 | if (intel_crtc->atomic.update_fbc) { | |
ccc759dc | 13214 | mutex_lock(&dev->struct_mutex); |
7ff0ebcc | 13215 | intel_fbc_update(dev); |
ccc759dc | 13216 | mutex_unlock(&dev->struct_mutex); |
38f3ce3a | 13217 | } |
3c692a41 | 13218 | |
32b7eeec MR |
13219 | if (intel_crtc->atomic.post_enable_primary) |
13220 | intel_post_enable_primary(crtc); | |
3c692a41 | 13221 | |
32b7eeec MR |
13222 | drm_for_each_legacy_plane(p, &dev->mode_config.plane_list) |
13223 | if (intel_crtc->atomic.update_sprite_watermarks & drm_plane_index(p)) | |
13224 | intel_update_sprite_watermarks(p, crtc, 0, 0, 0, | |
13225 | false, false); | |
13226 | ||
13227 | memset(&intel_crtc->atomic, 0, sizeof(intel_crtc->atomic)); | |
3c692a41 GP |
13228 | } |
13229 | ||
cf4c7c12 | 13230 | /** |
4a3b8769 MR |
13231 | * intel_plane_destroy - destroy a plane |
13232 | * @plane: plane to destroy | |
cf4c7c12 | 13233 | * |
4a3b8769 MR |
13234 | * Common destruction function for all types of planes (primary, cursor, |
13235 | * sprite). | |
cf4c7c12 | 13236 | */ |
4a3b8769 | 13237 | void intel_plane_destroy(struct drm_plane *plane) |
465c120c MR |
13238 | { |
13239 | struct intel_plane *intel_plane = to_intel_plane(plane); | |
13240 | drm_plane_cleanup(plane); | |
13241 | kfree(intel_plane); | |
13242 | } | |
13243 | ||
65a3fea0 | 13244 | const struct drm_plane_funcs intel_plane_funcs = { |
70a101f8 MR |
13245 | .update_plane = drm_atomic_helper_update_plane, |
13246 | .disable_plane = drm_atomic_helper_disable_plane, | |
3d7d6510 | 13247 | .destroy = intel_plane_destroy, |
c196e1d6 | 13248 | .set_property = drm_atomic_helper_plane_set_property, |
a98b3431 MR |
13249 | .atomic_get_property = intel_plane_atomic_get_property, |
13250 | .atomic_set_property = intel_plane_atomic_set_property, | |
ea2c67bb MR |
13251 | .atomic_duplicate_state = intel_plane_duplicate_state, |
13252 | .atomic_destroy_state = intel_plane_destroy_state, | |
13253 | ||
465c120c MR |
13254 | }; |
13255 | ||
13256 | static struct drm_plane *intel_primary_plane_create(struct drm_device *dev, | |
13257 | int pipe) | |
13258 | { | |
13259 | struct intel_plane *primary; | |
8e7d688b | 13260 | struct intel_plane_state *state; |
465c120c MR |
13261 | const uint32_t *intel_primary_formats; |
13262 | int num_formats; | |
13263 | ||
13264 | primary = kzalloc(sizeof(*primary), GFP_KERNEL); | |
13265 | if (primary == NULL) | |
13266 | return NULL; | |
13267 | ||
8e7d688b MR |
13268 | state = intel_create_plane_state(&primary->base); |
13269 | if (!state) { | |
ea2c67bb MR |
13270 | kfree(primary); |
13271 | return NULL; | |
13272 | } | |
8e7d688b | 13273 | primary->base.state = &state->base; |
ea2c67bb | 13274 | |
465c120c MR |
13275 | primary->can_scale = false; |
13276 | primary->max_downscale = 1; | |
6156a456 CK |
13277 | if (INTEL_INFO(dev)->gen >= 9) { |
13278 | primary->can_scale = true; | |
af99ceda | 13279 | state->scaler_id = -1; |
6156a456 | 13280 | } |
465c120c MR |
13281 | primary->pipe = pipe; |
13282 | primary->plane = pipe; | |
c59cb179 MR |
13283 | primary->check_plane = intel_check_primary_plane; |
13284 | primary->commit_plane = intel_commit_primary_plane; | |
a8ad0d8e | 13285 | primary->disable_plane = intel_disable_primary_plane; |
08e221fb | 13286 | primary->ckey.flags = I915_SET_COLORKEY_NONE; |
465c120c MR |
13287 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) |
13288 | primary->plane = !pipe; | |
13289 | ||
13290 | if (INTEL_INFO(dev)->gen <= 3) { | |
568db4f2 DL |
13291 | intel_primary_formats = i8xx_primary_formats; |
13292 | num_formats = ARRAY_SIZE(i8xx_primary_formats); | |
465c120c | 13293 | } else { |
568db4f2 DL |
13294 | intel_primary_formats = i965_primary_formats; |
13295 | num_formats = ARRAY_SIZE(i965_primary_formats); | |
465c120c MR |
13296 | } |
13297 | ||
13298 | drm_universal_plane_init(dev, &primary->base, 0, | |
65a3fea0 | 13299 | &intel_plane_funcs, |
465c120c MR |
13300 | intel_primary_formats, num_formats, |
13301 | DRM_PLANE_TYPE_PRIMARY); | |
48404c1e | 13302 | |
3b7a5119 SJ |
13303 | if (INTEL_INFO(dev)->gen >= 4) |
13304 | intel_create_rotation_property(dev, primary); | |
48404c1e | 13305 | |
ea2c67bb MR |
13306 | drm_plane_helper_add(&primary->base, &intel_plane_helper_funcs); |
13307 | ||
465c120c MR |
13308 | return &primary->base; |
13309 | } | |
13310 | ||
3b7a5119 SJ |
13311 | void intel_create_rotation_property(struct drm_device *dev, struct intel_plane *plane) |
13312 | { | |
13313 | if (!dev->mode_config.rotation_property) { | |
13314 | unsigned long flags = BIT(DRM_ROTATE_0) | | |
13315 | BIT(DRM_ROTATE_180); | |
13316 | ||
13317 | if (INTEL_INFO(dev)->gen >= 9) | |
13318 | flags |= BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270); | |
13319 | ||
13320 | dev->mode_config.rotation_property = | |
13321 | drm_mode_create_rotation_property(dev, flags); | |
13322 | } | |
13323 | if (dev->mode_config.rotation_property) | |
13324 | drm_object_attach_property(&plane->base.base, | |
13325 | dev->mode_config.rotation_property, | |
13326 | plane->base.state->rotation); | |
13327 | } | |
13328 | ||
3d7d6510 | 13329 | static int |
852e787c GP |
13330 | intel_check_cursor_plane(struct drm_plane *plane, |
13331 | struct intel_plane_state *state) | |
3d7d6510 | 13332 | { |
2b875c22 | 13333 | struct drm_crtc *crtc = state->base.crtc; |
ea2c67bb | 13334 | struct drm_device *dev = plane->dev; |
2b875c22 | 13335 | struct drm_framebuffer *fb = state->base.fb; |
852e787c GP |
13336 | struct drm_rect *dest = &state->dst; |
13337 | struct drm_rect *src = &state->src; | |
13338 | const struct drm_rect *clip = &state->clip; | |
757f9a3e | 13339 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
ea2c67bb | 13340 | struct intel_crtc *intel_crtc; |
757f9a3e GP |
13341 | unsigned stride; |
13342 | int ret; | |
3d7d6510 | 13343 | |
ea2c67bb MR |
13344 | crtc = crtc ? crtc : plane->crtc; |
13345 | intel_crtc = to_intel_crtc(crtc); | |
13346 | ||
757f9a3e | 13347 | ret = drm_plane_helper_check_update(plane, crtc, fb, |
852e787c | 13348 | src, dest, clip, |
3d7d6510 MR |
13349 | DRM_PLANE_HELPER_NO_SCALING, |
13350 | DRM_PLANE_HELPER_NO_SCALING, | |
852e787c | 13351 | true, true, &state->visible); |
757f9a3e GP |
13352 | if (ret) |
13353 | return ret; | |
13354 | ||
13355 | ||
13356 | /* if we want to turn off the cursor ignore width and height */ | |
13357 | if (!obj) | |
32b7eeec | 13358 | goto finish; |
757f9a3e | 13359 | |
757f9a3e | 13360 | /* Check for which cursor types we support */ |
ea2c67bb MR |
13361 | if (!cursor_size_ok(dev, state->base.crtc_w, state->base.crtc_h)) { |
13362 | DRM_DEBUG("Cursor dimension %dx%d not supported\n", | |
13363 | state->base.crtc_w, state->base.crtc_h); | |
757f9a3e GP |
13364 | return -EINVAL; |
13365 | } | |
13366 | ||
ea2c67bb MR |
13367 | stride = roundup_pow_of_two(state->base.crtc_w) * 4; |
13368 | if (obj->base.size < stride * state->base.crtc_h) { | |
757f9a3e GP |
13369 | DRM_DEBUG_KMS("buffer is too small\n"); |
13370 | return -ENOMEM; | |
13371 | } | |
13372 | ||
3a656b54 | 13373 | if (fb->modifier[0] != DRM_FORMAT_MOD_NONE) { |
757f9a3e GP |
13374 | DRM_DEBUG_KMS("cursor cannot be tiled\n"); |
13375 | ret = -EINVAL; | |
13376 | } | |
757f9a3e | 13377 | |
32b7eeec MR |
13378 | finish: |
13379 | if (intel_crtc->active) { | |
3749f463 | 13380 | if (plane->state->crtc_w != state->base.crtc_w) |
32b7eeec MR |
13381 | intel_crtc->atomic.update_wm = true; |
13382 | ||
13383 | intel_crtc->atomic.fb_bits |= | |
13384 | INTEL_FRONTBUFFER_CURSOR(intel_crtc->pipe); | |
13385 | } | |
13386 | ||
757f9a3e | 13387 | return ret; |
852e787c | 13388 | } |
3d7d6510 | 13389 | |
a8ad0d8e ML |
13390 | static void |
13391 | intel_disable_cursor_plane(struct drm_plane *plane, | |
13392 | struct drm_crtc *crtc, | |
13393 | bool force) | |
13394 | { | |
13395 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
13396 | ||
13397 | if (!force) { | |
13398 | plane->fb = NULL; | |
13399 | intel_crtc->cursor_bo = NULL; | |
13400 | intel_crtc->cursor_addr = 0; | |
13401 | } | |
13402 | ||
13403 | intel_crtc_update_cursor(crtc, false); | |
13404 | } | |
13405 | ||
f4a2cf29 | 13406 | static void |
852e787c GP |
13407 | intel_commit_cursor_plane(struct drm_plane *plane, |
13408 | struct intel_plane_state *state) | |
13409 | { | |
2b875c22 | 13410 | struct drm_crtc *crtc = state->base.crtc; |
ea2c67bb MR |
13411 | struct drm_device *dev = plane->dev; |
13412 | struct intel_crtc *intel_crtc; | |
2b875c22 | 13413 | struct drm_i915_gem_object *obj = intel_fb_obj(state->base.fb); |
a912f12f | 13414 | uint32_t addr; |
852e787c | 13415 | |
ea2c67bb MR |
13416 | crtc = crtc ? crtc : plane->crtc; |
13417 | intel_crtc = to_intel_crtc(crtc); | |
13418 | ||
2b875c22 | 13419 | plane->fb = state->base.fb; |
ea2c67bb MR |
13420 | crtc->cursor_x = state->base.crtc_x; |
13421 | crtc->cursor_y = state->base.crtc_y; | |
13422 | ||
a912f12f GP |
13423 | if (intel_crtc->cursor_bo == obj) |
13424 | goto update; | |
4ed91096 | 13425 | |
f4a2cf29 | 13426 | if (!obj) |
a912f12f | 13427 | addr = 0; |
f4a2cf29 | 13428 | else if (!INTEL_INFO(dev)->cursor_needs_physical) |
a912f12f | 13429 | addr = i915_gem_obj_ggtt_offset(obj); |
f4a2cf29 | 13430 | else |
a912f12f | 13431 | addr = obj->phys_handle->busaddr; |
852e787c | 13432 | |
a912f12f GP |
13433 | intel_crtc->cursor_addr = addr; |
13434 | intel_crtc->cursor_bo = obj; | |
13435 | update: | |
852e787c | 13436 | |
32b7eeec | 13437 | if (intel_crtc->active) |
a912f12f | 13438 | intel_crtc_update_cursor(crtc, state->visible); |
852e787c GP |
13439 | } |
13440 | ||
3d7d6510 MR |
13441 | static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev, |
13442 | int pipe) | |
13443 | { | |
13444 | struct intel_plane *cursor; | |
8e7d688b | 13445 | struct intel_plane_state *state; |
3d7d6510 MR |
13446 | |
13447 | cursor = kzalloc(sizeof(*cursor), GFP_KERNEL); | |
13448 | if (cursor == NULL) | |
13449 | return NULL; | |
13450 | ||
8e7d688b MR |
13451 | state = intel_create_plane_state(&cursor->base); |
13452 | if (!state) { | |
ea2c67bb MR |
13453 | kfree(cursor); |
13454 | return NULL; | |
13455 | } | |
8e7d688b | 13456 | cursor->base.state = &state->base; |
ea2c67bb | 13457 | |
3d7d6510 MR |
13458 | cursor->can_scale = false; |
13459 | cursor->max_downscale = 1; | |
13460 | cursor->pipe = pipe; | |
13461 | cursor->plane = pipe; | |
c59cb179 MR |
13462 | cursor->check_plane = intel_check_cursor_plane; |
13463 | cursor->commit_plane = intel_commit_cursor_plane; | |
a8ad0d8e | 13464 | cursor->disable_plane = intel_disable_cursor_plane; |
3d7d6510 MR |
13465 | |
13466 | drm_universal_plane_init(dev, &cursor->base, 0, | |
65a3fea0 | 13467 | &intel_plane_funcs, |
3d7d6510 MR |
13468 | intel_cursor_formats, |
13469 | ARRAY_SIZE(intel_cursor_formats), | |
13470 | DRM_PLANE_TYPE_CURSOR); | |
4398ad45 VS |
13471 | |
13472 | if (INTEL_INFO(dev)->gen >= 4) { | |
13473 | if (!dev->mode_config.rotation_property) | |
13474 | dev->mode_config.rotation_property = | |
13475 | drm_mode_create_rotation_property(dev, | |
13476 | BIT(DRM_ROTATE_0) | | |
13477 | BIT(DRM_ROTATE_180)); | |
13478 | if (dev->mode_config.rotation_property) | |
13479 | drm_object_attach_property(&cursor->base.base, | |
13480 | dev->mode_config.rotation_property, | |
8e7d688b | 13481 | state->base.rotation); |
4398ad45 VS |
13482 | } |
13483 | ||
af99ceda CK |
13484 | if (INTEL_INFO(dev)->gen >=9) |
13485 | state->scaler_id = -1; | |
13486 | ||
ea2c67bb MR |
13487 | drm_plane_helper_add(&cursor->base, &intel_plane_helper_funcs); |
13488 | ||
3d7d6510 MR |
13489 | return &cursor->base; |
13490 | } | |
13491 | ||
549e2bfb CK |
13492 | static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_crtc, |
13493 | struct intel_crtc_state *crtc_state) | |
13494 | { | |
13495 | int i; | |
13496 | struct intel_scaler *intel_scaler; | |
13497 | struct intel_crtc_scaler_state *scaler_state = &crtc_state->scaler_state; | |
13498 | ||
13499 | for (i = 0; i < intel_crtc->num_scalers; i++) { | |
13500 | intel_scaler = &scaler_state->scalers[i]; | |
13501 | intel_scaler->in_use = 0; | |
13502 | intel_scaler->id = i; | |
13503 | ||
13504 | intel_scaler->mode = PS_SCALER_MODE_DYN; | |
13505 | } | |
13506 | ||
13507 | scaler_state->scaler_id = -1; | |
13508 | } | |
13509 | ||
b358d0a6 | 13510 | static void intel_crtc_init(struct drm_device *dev, int pipe) |
79e53945 | 13511 | { |
fbee40df | 13512 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 | 13513 | struct intel_crtc *intel_crtc; |
f5de6e07 | 13514 | struct intel_crtc_state *crtc_state = NULL; |
3d7d6510 MR |
13515 | struct drm_plane *primary = NULL; |
13516 | struct drm_plane *cursor = NULL; | |
465c120c | 13517 | int i, ret; |
79e53945 | 13518 | |
955382f3 | 13519 | intel_crtc = kzalloc(sizeof(*intel_crtc), GFP_KERNEL); |
79e53945 JB |
13520 | if (intel_crtc == NULL) |
13521 | return; | |
13522 | ||
f5de6e07 ACO |
13523 | crtc_state = kzalloc(sizeof(*crtc_state), GFP_KERNEL); |
13524 | if (!crtc_state) | |
13525 | goto fail; | |
550acefd ACO |
13526 | intel_crtc->config = crtc_state; |
13527 | intel_crtc->base.state = &crtc_state->base; | |
07878248 | 13528 | crtc_state->base.crtc = &intel_crtc->base; |
f5de6e07 | 13529 | |
549e2bfb CK |
13530 | /* initialize shared scalers */ |
13531 | if (INTEL_INFO(dev)->gen >= 9) { | |
13532 | if (pipe == PIPE_C) | |
13533 | intel_crtc->num_scalers = 1; | |
13534 | else | |
13535 | intel_crtc->num_scalers = SKL_NUM_SCALERS; | |
13536 | ||
13537 | skl_init_scalers(dev, intel_crtc, crtc_state); | |
13538 | } | |
13539 | ||
465c120c | 13540 | primary = intel_primary_plane_create(dev, pipe); |
3d7d6510 MR |
13541 | if (!primary) |
13542 | goto fail; | |
13543 | ||
13544 | cursor = intel_cursor_plane_create(dev, pipe); | |
13545 | if (!cursor) | |
13546 | goto fail; | |
13547 | ||
465c120c | 13548 | ret = drm_crtc_init_with_planes(dev, &intel_crtc->base, primary, |
3d7d6510 MR |
13549 | cursor, &intel_crtc_funcs); |
13550 | if (ret) | |
13551 | goto fail; | |
79e53945 JB |
13552 | |
13553 | drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256); | |
79e53945 JB |
13554 | for (i = 0; i < 256; i++) { |
13555 | intel_crtc->lut_r[i] = i; | |
13556 | intel_crtc->lut_g[i] = i; | |
13557 | intel_crtc->lut_b[i] = i; | |
13558 | } | |
13559 | ||
1f1c2e24 VS |
13560 | /* |
13561 | * On gen2/3 only plane A can do fbc, but the panel fitter and lvds port | |
8c0f92e1 | 13562 | * is hooked to pipe B. Hence we want plane A feeding pipe B. |
1f1c2e24 | 13563 | */ |
80824003 JB |
13564 | intel_crtc->pipe = pipe; |
13565 | intel_crtc->plane = pipe; | |
3a77c4c4 | 13566 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) { |
28c97730 | 13567 | DRM_DEBUG_KMS("swapping pipes & planes for FBC\n"); |
e2e767ab | 13568 | intel_crtc->plane = !pipe; |
80824003 JB |
13569 | } |
13570 | ||
4b0e333e CW |
13571 | intel_crtc->cursor_base = ~0; |
13572 | intel_crtc->cursor_cntl = ~0; | |
dc41c154 | 13573 | intel_crtc->cursor_size = ~0; |
8d7849db | 13574 | |
22fd0fab JB |
13575 | BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) || |
13576 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL); | |
13577 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] = &intel_crtc->base; | |
13578 | dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base; | |
13579 | ||
79e53945 | 13580 | drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs); |
87b6b101 DV |
13581 | |
13582 | WARN_ON(drm_crtc_index(&intel_crtc->base) != intel_crtc->pipe); | |
3d7d6510 MR |
13583 | return; |
13584 | ||
13585 | fail: | |
13586 | if (primary) | |
13587 | drm_plane_cleanup(primary); | |
13588 | if (cursor) | |
13589 | drm_plane_cleanup(cursor); | |
f5de6e07 | 13590 | kfree(crtc_state); |
3d7d6510 | 13591 | kfree(intel_crtc); |
79e53945 JB |
13592 | } |
13593 | ||
752aa88a JB |
13594 | enum pipe intel_get_pipe_from_connector(struct intel_connector *connector) |
13595 | { | |
13596 | struct drm_encoder *encoder = connector->base.encoder; | |
6e9f798d | 13597 | struct drm_device *dev = connector->base.dev; |
752aa88a | 13598 | |
51fd371b | 13599 | WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); |
752aa88a | 13600 | |
d3babd3f | 13601 | if (!encoder || WARN_ON(!encoder->crtc)) |
752aa88a JB |
13602 | return INVALID_PIPE; |
13603 | ||
13604 | return to_intel_crtc(encoder->crtc)->pipe; | |
13605 | } | |
13606 | ||
08d7b3d1 | 13607 | int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, |
05394f39 | 13608 | struct drm_file *file) |
08d7b3d1 | 13609 | { |
08d7b3d1 | 13610 | struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; |
7707e653 | 13611 | struct drm_crtc *drmmode_crtc; |
c05422d5 | 13612 | struct intel_crtc *crtc; |
08d7b3d1 | 13613 | |
7707e653 | 13614 | drmmode_crtc = drm_crtc_find(dev, pipe_from_crtc_id->crtc_id); |
08d7b3d1 | 13615 | |
7707e653 | 13616 | if (!drmmode_crtc) { |
08d7b3d1 | 13617 | DRM_ERROR("no such CRTC id\n"); |
3f2c2057 | 13618 | return -ENOENT; |
08d7b3d1 CW |
13619 | } |
13620 | ||
7707e653 | 13621 | crtc = to_intel_crtc(drmmode_crtc); |
c05422d5 | 13622 | pipe_from_crtc_id->pipe = crtc->pipe; |
08d7b3d1 | 13623 | |
c05422d5 | 13624 | return 0; |
08d7b3d1 CW |
13625 | } |
13626 | ||
66a9278e | 13627 | static int intel_encoder_clones(struct intel_encoder *encoder) |
79e53945 | 13628 | { |
66a9278e DV |
13629 | struct drm_device *dev = encoder->base.dev; |
13630 | struct intel_encoder *source_encoder; | |
79e53945 | 13631 | int index_mask = 0; |
79e53945 JB |
13632 | int entry = 0; |
13633 | ||
b2784e15 | 13634 | for_each_intel_encoder(dev, source_encoder) { |
bc079e8b | 13635 | if (encoders_cloneable(encoder, source_encoder)) |
66a9278e DV |
13636 | index_mask |= (1 << entry); |
13637 | ||
79e53945 JB |
13638 | entry++; |
13639 | } | |
4ef69c7a | 13640 | |
79e53945 JB |
13641 | return index_mask; |
13642 | } | |
13643 | ||
4d302442 CW |
13644 | static bool has_edp_a(struct drm_device *dev) |
13645 | { | |
13646 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13647 | ||
13648 | if (!IS_MOBILE(dev)) | |
13649 | return false; | |
13650 | ||
13651 | if ((I915_READ(DP_A) & DP_DETECTED) == 0) | |
13652 | return false; | |
13653 | ||
e3589908 | 13654 | if (IS_GEN5(dev) && (I915_READ(FUSE_STRAP) & ILK_eDP_A_DISABLE)) |
4d302442 CW |
13655 | return false; |
13656 | ||
13657 | return true; | |
13658 | } | |
13659 | ||
84b4e042 JB |
13660 | static bool intel_crt_present(struct drm_device *dev) |
13661 | { | |
13662 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13663 | ||
884497ed DL |
13664 | if (INTEL_INFO(dev)->gen >= 9) |
13665 | return false; | |
13666 | ||
cf404ce4 | 13667 | if (IS_HSW_ULT(dev) || IS_BDW_ULT(dev)) |
84b4e042 JB |
13668 | return false; |
13669 | ||
13670 | if (IS_CHERRYVIEW(dev)) | |
13671 | return false; | |
13672 | ||
13673 | if (IS_VALLEYVIEW(dev) && !dev_priv->vbt.int_crt_support) | |
13674 | return false; | |
13675 | ||
13676 | return true; | |
13677 | } | |
13678 | ||
79e53945 JB |
13679 | static void intel_setup_outputs(struct drm_device *dev) |
13680 | { | |
725e30ad | 13681 | struct drm_i915_private *dev_priv = dev->dev_private; |
4ef69c7a | 13682 | struct intel_encoder *encoder; |
cb0953d7 | 13683 | bool dpd_is_edp = false; |
79e53945 | 13684 | |
c9093354 | 13685 | intel_lvds_init(dev); |
79e53945 | 13686 | |
84b4e042 | 13687 | if (intel_crt_present(dev)) |
79935fca | 13688 | intel_crt_init(dev); |
cb0953d7 | 13689 | |
c776eb2e VK |
13690 | if (IS_BROXTON(dev)) { |
13691 | /* | |
13692 | * FIXME: Broxton doesn't support port detection via the | |
13693 | * DDI_BUF_CTL_A or SFUSE_STRAP registers, find another way to | |
13694 | * detect the ports. | |
13695 | */ | |
13696 | intel_ddi_init(dev, PORT_A); | |
13697 | intel_ddi_init(dev, PORT_B); | |
13698 | intel_ddi_init(dev, PORT_C); | |
13699 | } else if (HAS_DDI(dev)) { | |
0e72a5b5 ED |
13700 | int found; |
13701 | ||
de31facd JB |
13702 | /* |
13703 | * Haswell uses DDI functions to detect digital outputs. | |
13704 | * On SKL pre-D0 the strap isn't connected, so we assume | |
13705 | * it's there. | |
13706 | */ | |
0e72a5b5 | 13707 | found = I915_READ(DDI_BUF_CTL_A) & DDI_INIT_DISPLAY_DETECTED; |
de31facd JB |
13708 | /* WaIgnoreDDIAStrap: skl */ |
13709 | if (found || | |
13710 | (IS_SKYLAKE(dev) && INTEL_REVID(dev) < SKL_REVID_D0)) | |
0e72a5b5 ED |
13711 | intel_ddi_init(dev, PORT_A); |
13712 | ||
13713 | /* DDI B, C and D detection is indicated by the SFUSE_STRAP | |
13714 | * register */ | |
13715 | found = I915_READ(SFUSE_STRAP); | |
13716 | ||
13717 | if (found & SFUSE_STRAP_DDIB_DETECTED) | |
13718 | intel_ddi_init(dev, PORT_B); | |
13719 | if (found & SFUSE_STRAP_DDIC_DETECTED) | |
13720 | intel_ddi_init(dev, PORT_C); | |
13721 | if (found & SFUSE_STRAP_DDID_DETECTED) | |
13722 | intel_ddi_init(dev, PORT_D); | |
13723 | } else if (HAS_PCH_SPLIT(dev)) { | |
cb0953d7 | 13724 | int found; |
5d8a7752 | 13725 | dpd_is_edp = intel_dp_is_edp(dev, PORT_D); |
270b3042 DV |
13726 | |
13727 | if (has_edp_a(dev)) | |
13728 | intel_dp_init(dev, DP_A, PORT_A); | |
cb0953d7 | 13729 | |
dc0fa718 | 13730 | if (I915_READ(PCH_HDMIB) & SDVO_DETECTED) { |
461ed3ca | 13731 | /* PCH SDVOB multiplex with HDMIB */ |
eef4eacb | 13732 | found = intel_sdvo_init(dev, PCH_SDVOB, true); |
30ad48b7 | 13733 | if (!found) |
e2debe91 | 13734 | intel_hdmi_init(dev, PCH_HDMIB, PORT_B); |
5eb08b69 | 13735 | if (!found && (I915_READ(PCH_DP_B) & DP_DETECTED)) |
ab9d7c30 | 13736 | intel_dp_init(dev, PCH_DP_B, PORT_B); |
30ad48b7 ZW |
13737 | } |
13738 | ||
dc0fa718 | 13739 | if (I915_READ(PCH_HDMIC) & SDVO_DETECTED) |
e2debe91 | 13740 | intel_hdmi_init(dev, PCH_HDMIC, PORT_C); |
30ad48b7 | 13741 | |
dc0fa718 | 13742 | if (!dpd_is_edp && I915_READ(PCH_HDMID) & SDVO_DETECTED) |
e2debe91 | 13743 | intel_hdmi_init(dev, PCH_HDMID, PORT_D); |
30ad48b7 | 13744 | |
5eb08b69 | 13745 | if (I915_READ(PCH_DP_C) & DP_DETECTED) |
ab9d7c30 | 13746 | intel_dp_init(dev, PCH_DP_C, PORT_C); |
5eb08b69 | 13747 | |
270b3042 | 13748 | if (I915_READ(PCH_DP_D) & DP_DETECTED) |
ab9d7c30 | 13749 | intel_dp_init(dev, PCH_DP_D, PORT_D); |
4a87d65d | 13750 | } else if (IS_VALLEYVIEW(dev)) { |
e17ac6db VS |
13751 | /* |
13752 | * The DP_DETECTED bit is the latched state of the DDC | |
13753 | * SDA pin at boot. However since eDP doesn't require DDC | |
13754 | * (no way to plug in a DP->HDMI dongle) the DDC pins for | |
13755 | * eDP ports may have been muxed to an alternate function. | |
13756 | * Thus we can't rely on the DP_DETECTED bit alone to detect | |
13757 | * eDP ports. Consult the VBT as well as DP_DETECTED to | |
13758 | * detect eDP ports. | |
13759 | */ | |
d2182a66 VS |
13760 | if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIB) & SDVO_DETECTED && |
13761 | !intel_dp_is_edp(dev, PORT_B)) | |
585a94b8 AB |
13762 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIB, |
13763 | PORT_B); | |
e17ac6db VS |
13764 | if (I915_READ(VLV_DISPLAY_BASE + DP_B) & DP_DETECTED || |
13765 | intel_dp_is_edp(dev, PORT_B)) | |
13766 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_B, PORT_B); | |
585a94b8 | 13767 | |
d2182a66 VS |
13768 | if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIC) & SDVO_DETECTED && |
13769 | !intel_dp_is_edp(dev, PORT_C)) | |
6f6005a5 JB |
13770 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIC, |
13771 | PORT_C); | |
e17ac6db VS |
13772 | if (I915_READ(VLV_DISPLAY_BASE + DP_C) & DP_DETECTED || |
13773 | intel_dp_is_edp(dev, PORT_C)) | |
13774 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_C, PORT_C); | |
19c03924 | 13775 | |
9418c1f1 | 13776 | if (IS_CHERRYVIEW(dev)) { |
e17ac6db | 13777 | if (I915_READ(VLV_DISPLAY_BASE + CHV_HDMID) & SDVO_DETECTED) |
9418c1f1 VS |
13778 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + CHV_HDMID, |
13779 | PORT_D); | |
e17ac6db VS |
13780 | /* eDP not supported on port D, so don't check VBT */ |
13781 | if (I915_READ(VLV_DISPLAY_BASE + DP_D) & DP_DETECTED) | |
13782 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_D, PORT_D); | |
9418c1f1 VS |
13783 | } |
13784 | ||
3cfca973 | 13785 | intel_dsi_init(dev); |
103a196f | 13786 | } else if (SUPPORTS_DIGITAL_OUTPUTS(dev)) { |
27185ae1 | 13787 | bool found = false; |
7d57382e | 13788 | |
e2debe91 | 13789 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 13790 | DRM_DEBUG_KMS("probing SDVOB\n"); |
e2debe91 | 13791 | found = intel_sdvo_init(dev, GEN3_SDVOB, true); |
b01f2c3a JB |
13792 | if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) { |
13793 | DRM_DEBUG_KMS("probing HDMI on SDVOB\n"); | |
e2debe91 | 13794 | intel_hdmi_init(dev, GEN4_HDMIB, PORT_B); |
b01f2c3a | 13795 | } |
27185ae1 | 13796 | |
e7281eab | 13797 | if (!found && SUPPORTS_INTEGRATED_DP(dev)) |
ab9d7c30 | 13798 | intel_dp_init(dev, DP_B, PORT_B); |
725e30ad | 13799 | } |
13520b05 KH |
13800 | |
13801 | /* Before G4X SDVOC doesn't have its own detect register */ | |
13520b05 | 13802 | |
e2debe91 | 13803 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 13804 | DRM_DEBUG_KMS("probing SDVOC\n"); |
e2debe91 | 13805 | found = intel_sdvo_init(dev, GEN3_SDVOC, false); |
b01f2c3a | 13806 | } |
27185ae1 | 13807 | |
e2debe91 | 13808 | if (!found && (I915_READ(GEN3_SDVOC) & SDVO_DETECTED)) { |
27185ae1 | 13809 | |
b01f2c3a JB |
13810 | if (SUPPORTS_INTEGRATED_HDMI(dev)) { |
13811 | DRM_DEBUG_KMS("probing HDMI on SDVOC\n"); | |
e2debe91 | 13812 | intel_hdmi_init(dev, GEN4_HDMIC, PORT_C); |
b01f2c3a | 13813 | } |
e7281eab | 13814 | if (SUPPORTS_INTEGRATED_DP(dev)) |
ab9d7c30 | 13815 | intel_dp_init(dev, DP_C, PORT_C); |
725e30ad | 13816 | } |
27185ae1 | 13817 | |
b01f2c3a | 13818 | if (SUPPORTS_INTEGRATED_DP(dev) && |
e7281eab | 13819 | (I915_READ(DP_D) & DP_DETECTED)) |
ab9d7c30 | 13820 | intel_dp_init(dev, DP_D, PORT_D); |
bad720ff | 13821 | } else if (IS_GEN2(dev)) |
79e53945 JB |
13822 | intel_dvo_init(dev); |
13823 | ||
103a196f | 13824 | if (SUPPORTS_TV(dev)) |
79e53945 JB |
13825 | intel_tv_init(dev); |
13826 | ||
0bc12bcb | 13827 | intel_psr_init(dev); |
7c8f8a70 | 13828 | |
b2784e15 | 13829 | for_each_intel_encoder(dev, encoder) { |
4ef69c7a CW |
13830 | encoder->base.possible_crtcs = encoder->crtc_mask; |
13831 | encoder->base.possible_clones = | |
66a9278e | 13832 | intel_encoder_clones(encoder); |
79e53945 | 13833 | } |
47356eb6 | 13834 | |
dde86e2d | 13835 | intel_init_pch_refclk(dev); |
270b3042 DV |
13836 | |
13837 | drm_helper_move_panel_connectors_to_head(dev); | |
79e53945 JB |
13838 | } |
13839 | ||
13840 | static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb) | |
13841 | { | |
60a5ca01 | 13842 | struct drm_device *dev = fb->dev; |
79e53945 | 13843 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); |
79e53945 | 13844 | |
ef2d633e | 13845 | drm_framebuffer_cleanup(fb); |
60a5ca01 | 13846 | mutex_lock(&dev->struct_mutex); |
ef2d633e | 13847 | WARN_ON(!intel_fb->obj->framebuffer_references--); |
60a5ca01 VS |
13848 | drm_gem_object_unreference(&intel_fb->obj->base); |
13849 | mutex_unlock(&dev->struct_mutex); | |
79e53945 JB |
13850 | kfree(intel_fb); |
13851 | } | |
13852 | ||
13853 | static int intel_user_framebuffer_create_handle(struct drm_framebuffer *fb, | |
05394f39 | 13854 | struct drm_file *file, |
79e53945 JB |
13855 | unsigned int *handle) |
13856 | { | |
13857 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
05394f39 | 13858 | struct drm_i915_gem_object *obj = intel_fb->obj; |
79e53945 | 13859 | |
05394f39 | 13860 | return drm_gem_handle_create(file, &obj->base, handle); |
79e53945 JB |
13861 | } |
13862 | ||
13863 | static const struct drm_framebuffer_funcs intel_fb_funcs = { | |
13864 | .destroy = intel_user_framebuffer_destroy, | |
13865 | .create_handle = intel_user_framebuffer_create_handle, | |
13866 | }; | |
13867 | ||
b321803d DL |
13868 | static |
13869 | u32 intel_fb_pitch_limit(struct drm_device *dev, uint64_t fb_modifier, | |
13870 | uint32_t pixel_format) | |
13871 | { | |
13872 | u32 gen = INTEL_INFO(dev)->gen; | |
13873 | ||
13874 | if (gen >= 9) { | |
13875 | /* "The stride in bytes must not exceed the of the size of 8K | |
13876 | * pixels and 32K bytes." | |
13877 | */ | |
13878 | return min(8192*drm_format_plane_cpp(pixel_format, 0), 32768); | |
13879 | } else if (gen >= 5 && !IS_VALLEYVIEW(dev)) { | |
13880 | return 32*1024; | |
13881 | } else if (gen >= 4) { | |
13882 | if (fb_modifier == I915_FORMAT_MOD_X_TILED) | |
13883 | return 16*1024; | |
13884 | else | |
13885 | return 32*1024; | |
13886 | } else if (gen >= 3) { | |
13887 | if (fb_modifier == I915_FORMAT_MOD_X_TILED) | |
13888 | return 8*1024; | |
13889 | else | |
13890 | return 16*1024; | |
13891 | } else { | |
13892 | /* XXX DSPC is limited to 4k tiled */ | |
13893 | return 8*1024; | |
13894 | } | |
13895 | } | |
13896 | ||
b5ea642a DV |
13897 | static int intel_framebuffer_init(struct drm_device *dev, |
13898 | struct intel_framebuffer *intel_fb, | |
13899 | struct drm_mode_fb_cmd2 *mode_cmd, | |
13900 | struct drm_i915_gem_object *obj) | |
79e53945 | 13901 | { |
6761dd31 | 13902 | unsigned int aligned_height; |
79e53945 | 13903 | int ret; |
b321803d | 13904 | u32 pitch_limit, stride_alignment; |
79e53945 | 13905 | |
dd4916c5 DV |
13906 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
13907 | ||
2a80eada DV |
13908 | if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) { |
13909 | /* Enforce that fb modifier and tiling mode match, but only for | |
13910 | * X-tiled. This is needed for FBC. */ | |
13911 | if (!!(obj->tiling_mode == I915_TILING_X) != | |
13912 | !!(mode_cmd->modifier[0] == I915_FORMAT_MOD_X_TILED)) { | |
13913 | DRM_DEBUG("tiling_mode doesn't match fb modifier\n"); | |
13914 | return -EINVAL; | |
13915 | } | |
13916 | } else { | |
13917 | if (obj->tiling_mode == I915_TILING_X) | |
13918 | mode_cmd->modifier[0] = I915_FORMAT_MOD_X_TILED; | |
13919 | else if (obj->tiling_mode == I915_TILING_Y) { | |
13920 | DRM_DEBUG("No Y tiling for legacy addfb\n"); | |
13921 | return -EINVAL; | |
13922 | } | |
13923 | } | |
13924 | ||
9a8f0a12 TU |
13925 | /* Passed in modifier sanity checking. */ |
13926 | switch (mode_cmd->modifier[0]) { | |
13927 | case I915_FORMAT_MOD_Y_TILED: | |
13928 | case I915_FORMAT_MOD_Yf_TILED: | |
13929 | if (INTEL_INFO(dev)->gen < 9) { | |
13930 | DRM_DEBUG("Unsupported tiling 0x%llx!\n", | |
13931 | mode_cmd->modifier[0]); | |
13932 | return -EINVAL; | |
13933 | } | |
13934 | case DRM_FORMAT_MOD_NONE: | |
13935 | case I915_FORMAT_MOD_X_TILED: | |
13936 | break; | |
13937 | default: | |
c0f40428 JB |
13938 | DRM_DEBUG("Unsupported fb modifier 0x%llx!\n", |
13939 | mode_cmd->modifier[0]); | |
57cd6508 | 13940 | return -EINVAL; |
c16ed4be | 13941 | } |
57cd6508 | 13942 | |
b321803d DL |
13943 | stride_alignment = intel_fb_stride_alignment(dev, mode_cmd->modifier[0], |
13944 | mode_cmd->pixel_format); | |
13945 | if (mode_cmd->pitches[0] & (stride_alignment - 1)) { | |
13946 | DRM_DEBUG("pitch (%d) must be at least %u byte aligned\n", | |
13947 | mode_cmd->pitches[0], stride_alignment); | |
57cd6508 | 13948 | return -EINVAL; |
c16ed4be | 13949 | } |
57cd6508 | 13950 | |
b321803d DL |
13951 | pitch_limit = intel_fb_pitch_limit(dev, mode_cmd->modifier[0], |
13952 | mode_cmd->pixel_format); | |
a35cdaa0 | 13953 | if (mode_cmd->pitches[0] > pitch_limit) { |
b321803d DL |
13954 | DRM_DEBUG("%s pitch (%u) must be at less than %d\n", |
13955 | mode_cmd->modifier[0] != DRM_FORMAT_MOD_NONE ? | |
2a80eada | 13956 | "tiled" : "linear", |
a35cdaa0 | 13957 | mode_cmd->pitches[0], pitch_limit); |
5d7bd705 | 13958 | return -EINVAL; |
c16ed4be | 13959 | } |
5d7bd705 | 13960 | |
2a80eada | 13961 | if (mode_cmd->modifier[0] == I915_FORMAT_MOD_X_TILED && |
c16ed4be CW |
13962 | mode_cmd->pitches[0] != obj->stride) { |
13963 | DRM_DEBUG("pitch (%d) must match tiling stride (%d)\n", | |
13964 | mode_cmd->pitches[0], obj->stride); | |
5d7bd705 | 13965 | return -EINVAL; |
c16ed4be | 13966 | } |
5d7bd705 | 13967 | |
57779d06 | 13968 | /* Reject formats not supported by any plane early. */ |
308e5bcb | 13969 | switch (mode_cmd->pixel_format) { |
57779d06 | 13970 | case DRM_FORMAT_C8: |
04b3924d VS |
13971 | case DRM_FORMAT_RGB565: |
13972 | case DRM_FORMAT_XRGB8888: | |
13973 | case DRM_FORMAT_ARGB8888: | |
57779d06 VS |
13974 | break; |
13975 | case DRM_FORMAT_XRGB1555: | |
13976 | case DRM_FORMAT_ARGB1555: | |
c16ed4be | 13977 | if (INTEL_INFO(dev)->gen > 3) { |
4ee62c76 VS |
13978 | DRM_DEBUG("unsupported pixel format: %s\n", |
13979 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 13980 | return -EINVAL; |
c16ed4be | 13981 | } |
57779d06 VS |
13982 | break; |
13983 | case DRM_FORMAT_XBGR8888: | |
13984 | case DRM_FORMAT_ABGR8888: | |
04b3924d VS |
13985 | case DRM_FORMAT_XRGB2101010: |
13986 | case DRM_FORMAT_ARGB2101010: | |
57779d06 VS |
13987 | case DRM_FORMAT_XBGR2101010: |
13988 | case DRM_FORMAT_ABGR2101010: | |
c16ed4be | 13989 | if (INTEL_INFO(dev)->gen < 4) { |
4ee62c76 VS |
13990 | DRM_DEBUG("unsupported pixel format: %s\n", |
13991 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 13992 | return -EINVAL; |
c16ed4be | 13993 | } |
b5626747 | 13994 | break; |
04b3924d VS |
13995 | case DRM_FORMAT_YUYV: |
13996 | case DRM_FORMAT_UYVY: | |
13997 | case DRM_FORMAT_YVYU: | |
13998 | case DRM_FORMAT_VYUY: | |
c16ed4be | 13999 | if (INTEL_INFO(dev)->gen < 5) { |
4ee62c76 VS |
14000 | DRM_DEBUG("unsupported pixel format: %s\n", |
14001 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 14002 | return -EINVAL; |
c16ed4be | 14003 | } |
57cd6508 CW |
14004 | break; |
14005 | default: | |
4ee62c76 VS |
14006 | DRM_DEBUG("unsupported pixel format: %s\n", |
14007 | drm_get_format_name(mode_cmd->pixel_format)); | |
57cd6508 CW |
14008 | return -EINVAL; |
14009 | } | |
14010 | ||
90f9a336 VS |
14011 | /* FIXME need to adjust LINOFF/TILEOFF accordingly. */ |
14012 | if (mode_cmd->offsets[0] != 0) | |
14013 | return -EINVAL; | |
14014 | ||
ec2c981e | 14015 | aligned_height = intel_fb_align_height(dev, mode_cmd->height, |
091df6cb DV |
14016 | mode_cmd->pixel_format, |
14017 | mode_cmd->modifier[0]); | |
53155c0a DV |
14018 | /* FIXME drm helper for size checks (especially planar formats)? */ |
14019 | if (obj->base.size < aligned_height * mode_cmd->pitches[0]) | |
14020 | return -EINVAL; | |
14021 | ||
c7d73f6a DV |
14022 | drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd); |
14023 | intel_fb->obj = obj; | |
80075d49 | 14024 | intel_fb->obj->framebuffer_references++; |
c7d73f6a | 14025 | |
79e53945 JB |
14026 | ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs); |
14027 | if (ret) { | |
14028 | DRM_ERROR("framebuffer init failed %d\n", ret); | |
14029 | return ret; | |
14030 | } | |
14031 | ||
79e53945 JB |
14032 | return 0; |
14033 | } | |
14034 | ||
79e53945 JB |
14035 | static struct drm_framebuffer * |
14036 | intel_user_framebuffer_create(struct drm_device *dev, | |
14037 | struct drm_file *filp, | |
308e5bcb | 14038 | struct drm_mode_fb_cmd2 *mode_cmd) |
79e53945 | 14039 | { |
05394f39 | 14040 | struct drm_i915_gem_object *obj; |
79e53945 | 14041 | |
308e5bcb JB |
14042 | obj = to_intel_bo(drm_gem_object_lookup(dev, filp, |
14043 | mode_cmd->handles[0])); | |
c8725226 | 14044 | if (&obj->base == NULL) |
cce13ff7 | 14045 | return ERR_PTR(-ENOENT); |
79e53945 | 14046 | |
d2dff872 | 14047 | return intel_framebuffer_create(dev, mode_cmd, obj); |
79e53945 JB |
14048 | } |
14049 | ||
4520f53a | 14050 | #ifndef CONFIG_DRM_I915_FBDEV |
0632fef6 | 14051 | static inline void intel_fbdev_output_poll_changed(struct drm_device *dev) |
4520f53a DV |
14052 | { |
14053 | } | |
14054 | #endif | |
14055 | ||
79e53945 | 14056 | static const struct drm_mode_config_funcs intel_mode_funcs = { |
79e53945 | 14057 | .fb_create = intel_user_framebuffer_create, |
0632fef6 | 14058 | .output_poll_changed = intel_fbdev_output_poll_changed, |
5ee67f1c MR |
14059 | .atomic_check = intel_atomic_check, |
14060 | .atomic_commit = intel_atomic_commit, | |
79e53945 JB |
14061 | }; |
14062 | ||
e70236a8 JB |
14063 | /* Set up chip specific display functions */ |
14064 | static void intel_init_display(struct drm_device *dev) | |
14065 | { | |
14066 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14067 | ||
ee9300bb DV |
14068 | if (HAS_PCH_SPLIT(dev) || IS_G4X(dev)) |
14069 | dev_priv->display.find_dpll = g4x_find_best_dpll; | |
ef9348c8 CML |
14070 | else if (IS_CHERRYVIEW(dev)) |
14071 | dev_priv->display.find_dpll = chv_find_best_dpll; | |
ee9300bb DV |
14072 | else if (IS_VALLEYVIEW(dev)) |
14073 | dev_priv->display.find_dpll = vlv_find_best_dpll; | |
14074 | else if (IS_PINEVIEW(dev)) | |
14075 | dev_priv->display.find_dpll = pnv_find_best_dpll; | |
14076 | else | |
14077 | dev_priv->display.find_dpll = i9xx_find_best_dpll; | |
14078 | ||
bc8d7dff DL |
14079 | if (INTEL_INFO(dev)->gen >= 9) { |
14080 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; | |
5724dbd1 DL |
14081 | dev_priv->display.get_initial_plane_config = |
14082 | skylake_get_initial_plane_config; | |
bc8d7dff DL |
14083 | dev_priv->display.crtc_compute_clock = |
14084 | haswell_crtc_compute_clock; | |
14085 | dev_priv->display.crtc_enable = haswell_crtc_enable; | |
14086 | dev_priv->display.crtc_disable = haswell_crtc_disable; | |
14087 | dev_priv->display.off = ironlake_crtc_off; | |
14088 | dev_priv->display.update_primary_plane = | |
14089 | skylake_update_primary_plane; | |
14090 | } else if (HAS_DDI(dev)) { | |
0e8ffe1b | 14091 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; |
5724dbd1 DL |
14092 | dev_priv->display.get_initial_plane_config = |
14093 | ironlake_get_initial_plane_config; | |
797d0259 ACO |
14094 | dev_priv->display.crtc_compute_clock = |
14095 | haswell_crtc_compute_clock; | |
4f771f10 PZ |
14096 | dev_priv->display.crtc_enable = haswell_crtc_enable; |
14097 | dev_priv->display.crtc_disable = haswell_crtc_disable; | |
df8ad70c | 14098 | dev_priv->display.off = ironlake_crtc_off; |
bc8d7dff DL |
14099 | dev_priv->display.update_primary_plane = |
14100 | ironlake_update_primary_plane; | |
09b4ddf9 | 14101 | } else if (HAS_PCH_SPLIT(dev)) { |
0e8ffe1b | 14102 | dev_priv->display.get_pipe_config = ironlake_get_pipe_config; |
5724dbd1 DL |
14103 | dev_priv->display.get_initial_plane_config = |
14104 | ironlake_get_initial_plane_config; | |
3fb37703 ACO |
14105 | dev_priv->display.crtc_compute_clock = |
14106 | ironlake_crtc_compute_clock; | |
76e5a89c DV |
14107 | dev_priv->display.crtc_enable = ironlake_crtc_enable; |
14108 | dev_priv->display.crtc_disable = ironlake_crtc_disable; | |
ee7b9f93 | 14109 | dev_priv->display.off = ironlake_crtc_off; |
262ca2b0 MR |
14110 | dev_priv->display.update_primary_plane = |
14111 | ironlake_update_primary_plane; | |
89b667f8 JB |
14112 | } else if (IS_VALLEYVIEW(dev)) { |
14113 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; | |
5724dbd1 DL |
14114 | dev_priv->display.get_initial_plane_config = |
14115 | i9xx_get_initial_plane_config; | |
d6dfee7a | 14116 | dev_priv->display.crtc_compute_clock = i9xx_crtc_compute_clock; |
89b667f8 JB |
14117 | dev_priv->display.crtc_enable = valleyview_crtc_enable; |
14118 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
14119 | dev_priv->display.off = i9xx_crtc_off; | |
262ca2b0 MR |
14120 | dev_priv->display.update_primary_plane = |
14121 | i9xx_update_primary_plane; | |
f564048e | 14122 | } else { |
0e8ffe1b | 14123 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; |
5724dbd1 DL |
14124 | dev_priv->display.get_initial_plane_config = |
14125 | i9xx_get_initial_plane_config; | |
d6dfee7a | 14126 | dev_priv->display.crtc_compute_clock = i9xx_crtc_compute_clock; |
76e5a89c DV |
14127 | dev_priv->display.crtc_enable = i9xx_crtc_enable; |
14128 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
ee7b9f93 | 14129 | dev_priv->display.off = i9xx_crtc_off; |
262ca2b0 MR |
14130 | dev_priv->display.update_primary_plane = |
14131 | i9xx_update_primary_plane; | |
f564048e | 14132 | } |
e70236a8 | 14133 | |
e70236a8 | 14134 | /* Returns the core display clock speed */ |
1652d19e VS |
14135 | if (IS_SKYLAKE(dev)) |
14136 | dev_priv->display.get_display_clock_speed = | |
14137 | skylake_get_display_clock_speed; | |
14138 | else if (IS_BROADWELL(dev)) | |
14139 | dev_priv->display.get_display_clock_speed = | |
14140 | broadwell_get_display_clock_speed; | |
14141 | else if (IS_HASWELL(dev)) | |
14142 | dev_priv->display.get_display_clock_speed = | |
14143 | haswell_get_display_clock_speed; | |
14144 | else if (IS_VALLEYVIEW(dev)) | |
25eb05fc JB |
14145 | dev_priv->display.get_display_clock_speed = |
14146 | valleyview_get_display_clock_speed; | |
b37a6434 VS |
14147 | else if (IS_GEN5(dev)) |
14148 | dev_priv->display.get_display_clock_speed = | |
14149 | ilk_get_display_clock_speed; | |
a7c66cd8 VS |
14150 | else if (IS_I945G(dev) || IS_BROADWATER(dev) || |
14151 | IS_GEN6(dev) || IS_IVYBRIDGE(dev) || (IS_G33(dev) && !IS_PINEVIEW_M(dev))) | |
e70236a8 JB |
14152 | dev_priv->display.get_display_clock_speed = |
14153 | i945_get_display_clock_speed; | |
14154 | else if (IS_I915G(dev)) | |
14155 | dev_priv->display.get_display_clock_speed = | |
14156 | i915_get_display_clock_speed; | |
257a7ffc | 14157 | else if (IS_I945GM(dev) || IS_845G(dev)) |
e70236a8 JB |
14158 | dev_priv->display.get_display_clock_speed = |
14159 | i9xx_misc_get_display_clock_speed; | |
257a7ffc DV |
14160 | else if (IS_PINEVIEW(dev)) |
14161 | dev_priv->display.get_display_clock_speed = | |
14162 | pnv_get_display_clock_speed; | |
e70236a8 JB |
14163 | else if (IS_I915GM(dev)) |
14164 | dev_priv->display.get_display_clock_speed = | |
14165 | i915gm_get_display_clock_speed; | |
14166 | else if (IS_I865G(dev)) | |
14167 | dev_priv->display.get_display_clock_speed = | |
14168 | i865_get_display_clock_speed; | |
f0f8a9ce | 14169 | else if (IS_I85X(dev)) |
e70236a8 JB |
14170 | dev_priv->display.get_display_clock_speed = |
14171 | i855_get_display_clock_speed; | |
14172 | else /* 852, 830 */ | |
14173 | dev_priv->display.get_display_clock_speed = | |
14174 | i830_get_display_clock_speed; | |
14175 | ||
7c10a2b5 | 14176 | if (IS_GEN5(dev)) { |
3bb11b53 | 14177 | dev_priv->display.fdi_link_train = ironlake_fdi_link_train; |
3bb11b53 SJ |
14178 | } else if (IS_GEN6(dev)) { |
14179 | dev_priv->display.fdi_link_train = gen6_fdi_link_train; | |
3bb11b53 SJ |
14180 | } else if (IS_IVYBRIDGE(dev)) { |
14181 | /* FIXME: detect B0+ stepping and use auto training */ | |
14182 | dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train; | |
059b2fe9 | 14183 | } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
3bb11b53 | 14184 | dev_priv->display.fdi_link_train = hsw_fdi_link_train; |
30a970c6 JB |
14185 | } else if (IS_VALLEYVIEW(dev)) { |
14186 | dev_priv->display.modeset_global_resources = | |
14187 | valleyview_modeset_global_resources; | |
f8437dd1 VK |
14188 | } else if (IS_BROXTON(dev)) { |
14189 | dev_priv->display.modeset_global_resources = | |
14190 | broxton_modeset_global_resources; | |
e70236a8 | 14191 | } |
8c9f3aaf | 14192 | |
8c9f3aaf JB |
14193 | switch (INTEL_INFO(dev)->gen) { |
14194 | case 2: | |
14195 | dev_priv->display.queue_flip = intel_gen2_queue_flip; | |
14196 | break; | |
14197 | ||
14198 | case 3: | |
14199 | dev_priv->display.queue_flip = intel_gen3_queue_flip; | |
14200 | break; | |
14201 | ||
14202 | case 4: | |
14203 | case 5: | |
14204 | dev_priv->display.queue_flip = intel_gen4_queue_flip; | |
14205 | break; | |
14206 | ||
14207 | case 6: | |
14208 | dev_priv->display.queue_flip = intel_gen6_queue_flip; | |
14209 | break; | |
7c9017e5 | 14210 | case 7: |
4e0bbc31 | 14211 | case 8: /* FIXME(BDW): Check that the gen8 RCS flip works. */ |
7c9017e5 JB |
14212 | dev_priv->display.queue_flip = intel_gen7_queue_flip; |
14213 | break; | |
830c81db | 14214 | case 9: |
ba343e02 TU |
14215 | /* Drop through - unsupported since execlist only. */ |
14216 | default: | |
14217 | /* Default just returns -ENODEV to indicate unsupported */ | |
14218 | dev_priv->display.queue_flip = intel_default_queue_flip; | |
8c9f3aaf | 14219 | } |
7bd688cd JN |
14220 | |
14221 | intel_panel_init_backlight_funcs(dev); | |
e39b999a VS |
14222 | |
14223 | mutex_init(&dev_priv->pps_mutex); | |
e70236a8 JB |
14224 | } |
14225 | ||
b690e96c JB |
14226 | /* |
14227 | * Some BIOSes insist on assuming the GPU's pipe A is enabled at suspend, | |
14228 | * resume, or other times. This quirk makes sure that's the case for | |
14229 | * affected systems. | |
14230 | */ | |
0206e353 | 14231 | static void quirk_pipea_force(struct drm_device *dev) |
b690e96c JB |
14232 | { |
14233 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14234 | ||
14235 | dev_priv->quirks |= QUIRK_PIPEA_FORCE; | |
bc0daf48 | 14236 | DRM_INFO("applying pipe a force quirk\n"); |
b690e96c JB |
14237 | } |
14238 | ||
b6b5d049 VS |
14239 | static void quirk_pipeb_force(struct drm_device *dev) |
14240 | { | |
14241 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14242 | ||
14243 | dev_priv->quirks |= QUIRK_PIPEB_FORCE; | |
14244 | DRM_INFO("applying pipe b force quirk\n"); | |
14245 | } | |
14246 | ||
435793df KP |
14247 | /* |
14248 | * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason | |
14249 | */ | |
14250 | static void quirk_ssc_force_disable(struct drm_device *dev) | |
14251 | { | |
14252 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14253 | dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE; | |
bc0daf48 | 14254 | DRM_INFO("applying lvds SSC disable quirk\n"); |
435793df KP |
14255 | } |
14256 | ||
4dca20ef | 14257 | /* |
5a15ab5b CE |
14258 | * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight |
14259 | * brightness value | |
4dca20ef CE |
14260 | */ |
14261 | static void quirk_invert_brightness(struct drm_device *dev) | |
14262 | { | |
14263 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14264 | dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS; | |
bc0daf48 | 14265 | DRM_INFO("applying inverted panel brightness quirk\n"); |
435793df KP |
14266 | } |
14267 | ||
9c72cc6f SD |
14268 | /* Some VBT's incorrectly indicate no backlight is present */ |
14269 | static void quirk_backlight_present(struct drm_device *dev) | |
14270 | { | |
14271 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14272 | dev_priv->quirks |= QUIRK_BACKLIGHT_PRESENT; | |
14273 | DRM_INFO("applying backlight present quirk\n"); | |
14274 | } | |
14275 | ||
b690e96c JB |
14276 | struct intel_quirk { |
14277 | int device; | |
14278 | int subsystem_vendor; | |
14279 | int subsystem_device; | |
14280 | void (*hook)(struct drm_device *dev); | |
14281 | }; | |
14282 | ||
5f85f176 EE |
14283 | /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ |
14284 | struct intel_dmi_quirk { | |
14285 | void (*hook)(struct drm_device *dev); | |
14286 | const struct dmi_system_id (*dmi_id_list)[]; | |
14287 | }; | |
14288 | ||
14289 | static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) | |
14290 | { | |
14291 | DRM_INFO("Backlight polarity reversed on %s\n", id->ident); | |
14292 | return 1; | |
14293 | } | |
14294 | ||
14295 | static const struct intel_dmi_quirk intel_dmi_quirks[] = { | |
14296 | { | |
14297 | .dmi_id_list = &(const struct dmi_system_id[]) { | |
14298 | { | |
14299 | .callback = intel_dmi_reverse_brightness, | |
14300 | .ident = "NCR Corporation", | |
14301 | .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), | |
14302 | DMI_MATCH(DMI_PRODUCT_NAME, ""), | |
14303 | }, | |
14304 | }, | |
14305 | { } /* terminating entry */ | |
14306 | }, | |
14307 | .hook = quirk_invert_brightness, | |
14308 | }, | |
14309 | }; | |
14310 | ||
c43b5634 | 14311 | static struct intel_quirk intel_quirks[] = { |
b690e96c JB |
14312 | /* Toshiba Protege R-205, S-209 needs pipe A force quirk */ |
14313 | { 0x2592, 0x1179, 0x0001, quirk_pipea_force }, | |
14314 | ||
b690e96c JB |
14315 | /* ThinkPad T60 needs pipe A force quirk (bug #16494) */ |
14316 | { 0x2782, 0x17aa, 0x201a, quirk_pipea_force }, | |
14317 | ||
5f080c0f VS |
14318 | /* 830 needs to leave pipe A & dpll A up */ |
14319 | { 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force }, | |
14320 | ||
b6b5d049 VS |
14321 | /* 830 needs to leave pipe B & dpll B up */ |
14322 | { 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipeb_force }, | |
14323 | ||
435793df KP |
14324 | /* Lenovo U160 cannot use SSC on LVDS */ |
14325 | { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable }, | |
070d329a MAS |
14326 | |
14327 | /* Sony Vaio Y cannot use SSC on LVDS */ | |
14328 | { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable }, | |
5a15ab5b | 14329 | |
be505f64 AH |
14330 | /* Acer Aspire 5734Z must invert backlight brightness */ |
14331 | { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness }, | |
14332 | ||
14333 | /* Acer/eMachines G725 */ | |
14334 | { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness }, | |
14335 | ||
14336 | /* Acer/eMachines e725 */ | |
14337 | { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness }, | |
14338 | ||
14339 | /* Acer/Packard Bell NCL20 */ | |
14340 | { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness }, | |
14341 | ||
14342 | /* Acer Aspire 4736Z */ | |
14343 | { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness }, | |
0f540c3a JN |
14344 | |
14345 | /* Acer Aspire 5336 */ | |
14346 | { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness }, | |
2e93a1aa SD |
14347 | |
14348 | /* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */ | |
14349 | { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present }, | |
d4967d8c | 14350 | |
dfb3d47b SD |
14351 | /* Acer C720 Chromebook (Core i3 4005U) */ |
14352 | { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present }, | |
14353 | ||
b2a9601c | 14354 | /* Apple Macbook 2,1 (Core 2 T7400) */ |
14355 | { 0x27a2, 0x8086, 0x7270, quirk_backlight_present }, | |
14356 | ||
d4967d8c SD |
14357 | /* Toshiba CB35 Chromebook (Celeron 2955U) */ |
14358 | { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, | |
724cb06f SD |
14359 | |
14360 | /* HP Chromebook 14 (Celeron 2955U) */ | |
14361 | { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present }, | |
cf6f0af9 JN |
14362 | |
14363 | /* Dell Chromebook 11 */ | |
14364 | { 0x0a06, 0x1028, 0x0a35, quirk_backlight_present }, | |
b690e96c JB |
14365 | }; |
14366 | ||
14367 | static void intel_init_quirks(struct drm_device *dev) | |
14368 | { | |
14369 | struct pci_dev *d = dev->pdev; | |
14370 | int i; | |
14371 | ||
14372 | for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) { | |
14373 | struct intel_quirk *q = &intel_quirks[i]; | |
14374 | ||
14375 | if (d->device == q->device && | |
14376 | (d->subsystem_vendor == q->subsystem_vendor || | |
14377 | q->subsystem_vendor == PCI_ANY_ID) && | |
14378 | (d->subsystem_device == q->subsystem_device || | |
14379 | q->subsystem_device == PCI_ANY_ID)) | |
14380 | q->hook(dev); | |
14381 | } | |
5f85f176 EE |
14382 | for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) { |
14383 | if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0) | |
14384 | intel_dmi_quirks[i].hook(dev); | |
14385 | } | |
b690e96c JB |
14386 | } |
14387 | ||
9cce37f4 JB |
14388 | /* Disable the VGA plane that we never use */ |
14389 | static void i915_disable_vga(struct drm_device *dev) | |
14390 | { | |
14391 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14392 | u8 sr1; | |
766aa1c4 | 14393 | u32 vga_reg = i915_vgacntrl_reg(dev); |
9cce37f4 | 14394 | |
2b37c616 | 14395 | /* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */ |
9cce37f4 | 14396 | vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); |
3fdcf431 | 14397 | outb(SR01, VGA_SR_INDEX); |
9cce37f4 JB |
14398 | sr1 = inb(VGA_SR_DATA); |
14399 | outb(sr1 | 1<<5, VGA_SR_DATA); | |
14400 | vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); | |
14401 | udelay(300); | |
14402 | ||
01f5a626 | 14403 | I915_WRITE(vga_reg, VGA_DISP_DISABLE); |
9cce37f4 JB |
14404 | POSTING_READ(vga_reg); |
14405 | } | |
14406 | ||
f817586c DV |
14407 | void intel_modeset_init_hw(struct drm_device *dev) |
14408 | { | |
a8f78b58 ED |
14409 | intel_prepare_ddi(dev); |
14410 | ||
f8bf63fd VS |
14411 | if (IS_VALLEYVIEW(dev)) |
14412 | vlv_update_cdclk(dev); | |
14413 | ||
f817586c DV |
14414 | intel_init_clock_gating(dev); |
14415 | ||
8090c6b9 | 14416 | intel_enable_gt_powersave(dev); |
f817586c DV |
14417 | } |
14418 | ||
79e53945 JB |
14419 | void intel_modeset_init(struct drm_device *dev) |
14420 | { | |
652c393a | 14421 | struct drm_i915_private *dev_priv = dev->dev_private; |
1fe47785 | 14422 | int sprite, ret; |
8cc87b75 | 14423 | enum pipe pipe; |
46f297fb | 14424 | struct intel_crtc *crtc; |
79e53945 JB |
14425 | |
14426 | drm_mode_config_init(dev); | |
14427 | ||
14428 | dev->mode_config.min_width = 0; | |
14429 | dev->mode_config.min_height = 0; | |
14430 | ||
019d96cb DA |
14431 | dev->mode_config.preferred_depth = 24; |
14432 | dev->mode_config.prefer_shadow = 1; | |
14433 | ||
25bab385 TU |
14434 | dev->mode_config.allow_fb_modifiers = true; |
14435 | ||
e6ecefaa | 14436 | dev->mode_config.funcs = &intel_mode_funcs; |
79e53945 | 14437 | |
b690e96c JB |
14438 | intel_init_quirks(dev); |
14439 | ||
1fa61106 ED |
14440 | intel_init_pm(dev); |
14441 | ||
e3c74757 BW |
14442 | if (INTEL_INFO(dev)->num_pipes == 0) |
14443 | return; | |
14444 | ||
e70236a8 | 14445 | intel_init_display(dev); |
7c10a2b5 | 14446 | intel_init_audio(dev); |
e70236a8 | 14447 | |
a6c45cf0 CW |
14448 | if (IS_GEN2(dev)) { |
14449 | dev->mode_config.max_width = 2048; | |
14450 | dev->mode_config.max_height = 2048; | |
14451 | } else if (IS_GEN3(dev)) { | |
5e4d6fa7 KP |
14452 | dev->mode_config.max_width = 4096; |
14453 | dev->mode_config.max_height = 4096; | |
79e53945 | 14454 | } else { |
a6c45cf0 CW |
14455 | dev->mode_config.max_width = 8192; |
14456 | dev->mode_config.max_height = 8192; | |
79e53945 | 14457 | } |
068be561 | 14458 | |
dc41c154 VS |
14459 | if (IS_845G(dev) || IS_I865G(dev)) { |
14460 | dev->mode_config.cursor_width = IS_845G(dev) ? 64 : 512; | |
14461 | dev->mode_config.cursor_height = 1023; | |
14462 | } else if (IS_GEN2(dev)) { | |
068be561 DL |
14463 | dev->mode_config.cursor_width = GEN2_CURSOR_WIDTH; |
14464 | dev->mode_config.cursor_height = GEN2_CURSOR_HEIGHT; | |
14465 | } else { | |
14466 | dev->mode_config.cursor_width = MAX_CURSOR_WIDTH; | |
14467 | dev->mode_config.cursor_height = MAX_CURSOR_HEIGHT; | |
14468 | } | |
14469 | ||
5d4545ae | 14470 | dev->mode_config.fb_base = dev_priv->gtt.mappable_base; |
79e53945 | 14471 | |
28c97730 | 14472 | DRM_DEBUG_KMS("%d display pipe%s available.\n", |
7eb552ae BW |
14473 | INTEL_INFO(dev)->num_pipes, |
14474 | INTEL_INFO(dev)->num_pipes > 1 ? "s" : ""); | |
79e53945 | 14475 | |
055e393f | 14476 | for_each_pipe(dev_priv, pipe) { |
8cc87b75 | 14477 | intel_crtc_init(dev, pipe); |
3bdcfc0c | 14478 | for_each_sprite(dev_priv, pipe, sprite) { |
1fe47785 | 14479 | ret = intel_plane_init(dev, pipe, sprite); |
7f1f3851 | 14480 | if (ret) |
06da8da2 | 14481 | DRM_DEBUG_KMS("pipe %c sprite %c init failed: %d\n", |
1fe47785 | 14482 | pipe_name(pipe), sprite_name(pipe, sprite), ret); |
7f1f3851 | 14483 | } |
79e53945 JB |
14484 | } |
14485 | ||
f42bb70d JB |
14486 | intel_init_dpio(dev); |
14487 | ||
e72f9fbf | 14488 | intel_shared_dpll_init(dev); |
ee7b9f93 | 14489 | |
9cce37f4 JB |
14490 | /* Just disable it once at startup */ |
14491 | i915_disable_vga(dev); | |
79e53945 | 14492 | intel_setup_outputs(dev); |
11be49eb CW |
14493 | |
14494 | /* Just in case the BIOS is doing something questionable. */ | |
7ff0ebcc | 14495 | intel_fbc_disable(dev); |
fa9fa083 | 14496 | |
6e9f798d | 14497 | drm_modeset_lock_all(dev); |
fa9fa083 | 14498 | intel_modeset_setup_hw_state(dev, false); |
6e9f798d | 14499 | drm_modeset_unlock_all(dev); |
46f297fb | 14500 | |
d3fcc808 | 14501 | for_each_intel_crtc(dev, crtc) { |
46f297fb JB |
14502 | if (!crtc->active) |
14503 | continue; | |
14504 | ||
46f297fb | 14505 | /* |
46f297fb JB |
14506 | * Note that reserving the BIOS fb up front prevents us |
14507 | * from stuffing other stolen allocations like the ring | |
14508 | * on top. This prevents some ugliness at boot time, and | |
14509 | * can even allow for smooth boot transitions if the BIOS | |
14510 | * fb is large enough for the active pipe configuration. | |
14511 | */ | |
5724dbd1 DL |
14512 | if (dev_priv->display.get_initial_plane_config) { |
14513 | dev_priv->display.get_initial_plane_config(crtc, | |
46f297fb JB |
14514 | &crtc->plane_config); |
14515 | /* | |
14516 | * If the fb is shared between multiple heads, we'll | |
14517 | * just get the first one. | |
14518 | */ | |
f6936e29 | 14519 | intel_find_initial_plane_obj(crtc, &crtc->plane_config); |
46f297fb | 14520 | } |
46f297fb | 14521 | } |
2c7111db CW |
14522 | } |
14523 | ||
7fad798e DV |
14524 | static void intel_enable_pipe_a(struct drm_device *dev) |
14525 | { | |
14526 | struct intel_connector *connector; | |
14527 | struct drm_connector *crt = NULL; | |
14528 | struct intel_load_detect_pipe load_detect_temp; | |
208bf9fd | 14529 | struct drm_modeset_acquire_ctx *ctx = dev->mode_config.acquire_ctx; |
7fad798e DV |
14530 | |
14531 | /* We can't just switch on the pipe A, we need to set things up with a | |
14532 | * proper mode and output configuration. As a gross hack, enable pipe A | |
14533 | * by enabling the load detect pipe once. */ | |
3a3371ff | 14534 | for_each_intel_connector(dev, connector) { |
7fad798e DV |
14535 | if (connector->encoder->type == INTEL_OUTPUT_ANALOG) { |
14536 | crt = &connector->base; | |
14537 | break; | |
14538 | } | |
14539 | } | |
14540 | ||
14541 | if (!crt) | |
14542 | return; | |
14543 | ||
208bf9fd | 14544 | if (intel_get_load_detect_pipe(crt, NULL, &load_detect_temp, ctx)) |
49172fee | 14545 | intel_release_load_detect_pipe(crt, &load_detect_temp, ctx); |
7fad798e DV |
14546 | } |
14547 | ||
fa555837 DV |
14548 | static bool |
14549 | intel_check_plane_mapping(struct intel_crtc *crtc) | |
14550 | { | |
7eb552ae BW |
14551 | struct drm_device *dev = crtc->base.dev; |
14552 | struct drm_i915_private *dev_priv = dev->dev_private; | |
fa555837 DV |
14553 | u32 reg, val; |
14554 | ||
7eb552ae | 14555 | if (INTEL_INFO(dev)->num_pipes == 1) |
fa555837 DV |
14556 | return true; |
14557 | ||
14558 | reg = DSPCNTR(!crtc->plane); | |
14559 | val = I915_READ(reg); | |
14560 | ||
14561 | if ((val & DISPLAY_PLANE_ENABLE) && | |
14562 | (!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe)) | |
14563 | return false; | |
14564 | ||
14565 | return true; | |
14566 | } | |
14567 | ||
24929352 DV |
14568 | static void intel_sanitize_crtc(struct intel_crtc *crtc) |
14569 | { | |
14570 | struct drm_device *dev = crtc->base.dev; | |
14571 | struct drm_i915_private *dev_priv = dev->dev_private; | |
fa555837 | 14572 | u32 reg; |
24929352 | 14573 | |
24929352 | 14574 | /* Clear any frame start delays used for debugging left by the BIOS */ |
6e3c9717 | 14575 | reg = PIPECONF(crtc->config->cpu_transcoder); |
24929352 DV |
14576 | I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); |
14577 | ||
d3eaf884 | 14578 | /* restore vblank interrupts to correct state */ |
9625604c | 14579 | drm_crtc_vblank_reset(&crtc->base); |
d297e103 VS |
14580 | if (crtc->active) { |
14581 | update_scanline_offset(crtc); | |
9625604c DV |
14582 | drm_crtc_vblank_on(&crtc->base); |
14583 | } | |
d3eaf884 | 14584 | |
24929352 | 14585 | /* We need to sanitize the plane -> pipe mapping first because this will |
fa555837 DV |
14586 | * disable the crtc (and hence change the state) if it is wrong. Note |
14587 | * that gen4+ has a fixed plane -> pipe mapping. */ | |
14588 | if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) { | |
24929352 DV |
14589 | struct intel_connector *connector; |
14590 | bool plane; | |
14591 | ||
24929352 DV |
14592 | DRM_DEBUG_KMS("[CRTC:%d] wrong plane connection detected!\n", |
14593 | crtc->base.base.id); | |
14594 | ||
14595 | /* Pipe has the wrong plane attached and the plane is active. | |
14596 | * Temporarily change the plane mapping and disable everything | |
14597 | * ... */ | |
14598 | plane = crtc->plane; | |
b70709a6 | 14599 | to_intel_plane_state(crtc->base.primary->state)->visible = true; |
24929352 | 14600 | crtc->plane = !plane; |
ce22dba9 | 14601 | intel_crtc_disable_planes(&crtc->base); |
24929352 DV |
14602 | dev_priv->display.crtc_disable(&crtc->base); |
14603 | crtc->plane = plane; | |
14604 | ||
14605 | /* ... and break all links. */ | |
3a3371ff | 14606 | for_each_intel_connector(dev, connector) { |
24929352 DV |
14607 | if (connector->encoder->base.crtc != &crtc->base) |
14608 | continue; | |
14609 | ||
7f1950fb EE |
14610 | connector->base.dpms = DRM_MODE_DPMS_OFF; |
14611 | connector->base.encoder = NULL; | |
24929352 | 14612 | } |
7f1950fb EE |
14613 | /* multiple connectors may have the same encoder: |
14614 | * handle them and break crtc link separately */ | |
3a3371ff | 14615 | for_each_intel_connector(dev, connector) |
7f1950fb EE |
14616 | if (connector->encoder->base.crtc == &crtc->base) { |
14617 | connector->encoder->base.crtc = NULL; | |
14618 | connector->encoder->connectors_active = false; | |
14619 | } | |
24929352 DV |
14620 | |
14621 | WARN_ON(crtc->active); | |
83d65738 | 14622 | crtc->base.state->enable = false; |
49d6fa21 | 14623 | crtc->base.state->active = false; |
24929352 DV |
14624 | crtc->base.enabled = false; |
14625 | } | |
24929352 | 14626 | |
7fad798e DV |
14627 | if (dev_priv->quirks & QUIRK_PIPEA_FORCE && |
14628 | crtc->pipe == PIPE_A && !crtc->active) { | |
14629 | /* BIOS forgot to enable pipe A, this mostly happens after | |
14630 | * resume. Force-enable the pipe to fix this, the update_dpms | |
14631 | * call below we restore the pipe to the right state, but leave | |
14632 | * the required bits on. */ | |
14633 | intel_enable_pipe_a(dev); | |
14634 | } | |
14635 | ||
24929352 DV |
14636 | /* Adjust the state of the output pipe according to whether we |
14637 | * have active connectors/encoders. */ | |
14638 | intel_crtc_update_dpms(&crtc->base); | |
14639 | ||
83d65738 | 14640 | if (crtc->active != crtc->base.state->enable) { |
24929352 DV |
14641 | struct intel_encoder *encoder; |
14642 | ||
14643 | /* This can happen either due to bugs in the get_hw_state | |
14644 | * functions or because the pipe is force-enabled due to the | |
14645 | * pipe A quirk. */ | |
14646 | DRM_DEBUG_KMS("[CRTC:%d] hw state adjusted, was %s, now %s\n", | |
14647 | crtc->base.base.id, | |
83d65738 | 14648 | crtc->base.state->enable ? "enabled" : "disabled", |
24929352 DV |
14649 | crtc->active ? "enabled" : "disabled"); |
14650 | ||
83d65738 | 14651 | crtc->base.state->enable = crtc->active; |
49d6fa21 | 14652 | crtc->base.state->active = crtc->active; |
24929352 DV |
14653 | crtc->base.enabled = crtc->active; |
14654 | ||
14655 | /* Because we only establish the connector -> encoder -> | |
14656 | * crtc links if something is active, this means the | |
14657 | * crtc is now deactivated. Break the links. connector | |
14658 | * -> encoder links are only establish when things are | |
14659 | * actually up, hence no need to break them. */ | |
14660 | WARN_ON(crtc->active); | |
14661 | ||
14662 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) { | |
14663 | WARN_ON(encoder->connectors_active); | |
14664 | encoder->base.crtc = NULL; | |
14665 | } | |
14666 | } | |
c5ab3bc0 | 14667 | |
a3ed6aad | 14668 | if (crtc->active || HAS_GMCH_DISPLAY(dev)) { |
4cc31489 DV |
14669 | /* |
14670 | * We start out with underrun reporting disabled to avoid races. | |
14671 | * For correct bookkeeping mark this on active crtcs. | |
14672 | * | |
c5ab3bc0 DV |
14673 | * Also on gmch platforms we dont have any hardware bits to |
14674 | * disable the underrun reporting. Which means we need to start | |
14675 | * out with underrun reporting disabled also on inactive pipes, | |
14676 | * since otherwise we'll complain about the garbage we read when | |
14677 | * e.g. coming up after runtime pm. | |
14678 | * | |
4cc31489 DV |
14679 | * No protection against concurrent access is required - at |
14680 | * worst a fifo underrun happens which also sets this to false. | |
14681 | */ | |
14682 | crtc->cpu_fifo_underrun_disabled = true; | |
14683 | crtc->pch_fifo_underrun_disabled = true; | |
14684 | } | |
24929352 DV |
14685 | } |
14686 | ||
14687 | static void intel_sanitize_encoder(struct intel_encoder *encoder) | |
14688 | { | |
14689 | struct intel_connector *connector; | |
14690 | struct drm_device *dev = encoder->base.dev; | |
14691 | ||
14692 | /* We need to check both for a crtc link (meaning that the | |
14693 | * encoder is active and trying to read from a pipe) and the | |
14694 | * pipe itself being active. */ | |
14695 | bool has_active_crtc = encoder->base.crtc && | |
14696 | to_intel_crtc(encoder->base.crtc)->active; | |
14697 | ||
14698 | if (encoder->connectors_active && !has_active_crtc) { | |
14699 | DRM_DEBUG_KMS("[ENCODER:%d:%s] has active connectors but no active pipe!\n", | |
14700 | encoder->base.base.id, | |
8e329a03 | 14701 | encoder->base.name); |
24929352 DV |
14702 | |
14703 | /* Connector is active, but has no active pipe. This is | |
14704 | * fallout from our resume register restoring. Disable | |
14705 | * the encoder manually again. */ | |
14706 | if (encoder->base.crtc) { | |
14707 | DRM_DEBUG_KMS("[ENCODER:%d:%s] manually disabled\n", | |
14708 | encoder->base.base.id, | |
8e329a03 | 14709 | encoder->base.name); |
24929352 | 14710 | encoder->disable(encoder); |
a62d1497 VS |
14711 | if (encoder->post_disable) |
14712 | encoder->post_disable(encoder); | |
24929352 | 14713 | } |
7f1950fb EE |
14714 | encoder->base.crtc = NULL; |
14715 | encoder->connectors_active = false; | |
24929352 DV |
14716 | |
14717 | /* Inconsistent output/port/pipe state happens presumably due to | |
14718 | * a bug in one of the get_hw_state functions. Or someplace else | |
14719 | * in our code, like the register restore mess on resume. Clamp | |
14720 | * things to off as a safer default. */ | |
3a3371ff | 14721 | for_each_intel_connector(dev, connector) { |
24929352 DV |
14722 | if (connector->encoder != encoder) |
14723 | continue; | |
7f1950fb EE |
14724 | connector->base.dpms = DRM_MODE_DPMS_OFF; |
14725 | connector->base.encoder = NULL; | |
24929352 DV |
14726 | } |
14727 | } | |
14728 | /* Enabled encoders without active connectors will be fixed in | |
14729 | * the crtc fixup. */ | |
14730 | } | |
14731 | ||
04098753 | 14732 | void i915_redisable_vga_power_on(struct drm_device *dev) |
0fde901f KM |
14733 | { |
14734 | struct drm_i915_private *dev_priv = dev->dev_private; | |
766aa1c4 | 14735 | u32 vga_reg = i915_vgacntrl_reg(dev); |
0fde901f | 14736 | |
04098753 ID |
14737 | if (!(I915_READ(vga_reg) & VGA_DISP_DISABLE)) { |
14738 | DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); | |
14739 | i915_disable_vga(dev); | |
14740 | } | |
14741 | } | |
14742 | ||
14743 | void i915_redisable_vga(struct drm_device *dev) | |
14744 | { | |
14745 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14746 | ||
8dc8a27c PZ |
14747 | /* This function can be called both from intel_modeset_setup_hw_state or |
14748 | * at a very early point in our resume sequence, where the power well | |
14749 | * structures are not yet restored. Since this function is at a very | |
14750 | * paranoid "someone might have enabled VGA while we were not looking" | |
14751 | * level, just check if the power well is enabled instead of trying to | |
14752 | * follow the "don't touch the power well if we don't need it" policy | |
14753 | * the rest of the driver uses. */ | |
f458ebbc | 14754 | if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_VGA)) |
8dc8a27c PZ |
14755 | return; |
14756 | ||
04098753 | 14757 | i915_redisable_vga_power_on(dev); |
0fde901f KM |
14758 | } |
14759 | ||
98ec7739 VS |
14760 | static bool primary_get_hw_state(struct intel_crtc *crtc) |
14761 | { | |
14762 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; | |
14763 | ||
14764 | if (!crtc->active) | |
14765 | return false; | |
14766 | ||
14767 | return I915_READ(DSPCNTR(crtc->plane)) & DISPLAY_PLANE_ENABLE; | |
14768 | } | |
14769 | ||
30e984df | 14770 | static void intel_modeset_readout_hw_state(struct drm_device *dev) |
24929352 DV |
14771 | { |
14772 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14773 | enum pipe pipe; | |
24929352 DV |
14774 | struct intel_crtc *crtc; |
14775 | struct intel_encoder *encoder; | |
14776 | struct intel_connector *connector; | |
5358901f | 14777 | int i; |
24929352 | 14778 | |
d3fcc808 | 14779 | for_each_intel_crtc(dev, crtc) { |
b70709a6 ML |
14780 | struct drm_plane *primary = crtc->base.primary; |
14781 | struct intel_plane_state *plane_state; | |
14782 | ||
6e3c9717 | 14783 | memset(crtc->config, 0, sizeof(*crtc->config)); |
3b117c8f | 14784 | |
6e3c9717 | 14785 | crtc->config->quirks |= PIPE_CONFIG_QUIRK_INHERITED_MODE; |
9953599b | 14786 | |
0e8ffe1b | 14787 | crtc->active = dev_priv->display.get_pipe_config(crtc, |
6e3c9717 | 14788 | crtc->config); |
24929352 | 14789 | |
83d65738 | 14790 | crtc->base.state->enable = crtc->active; |
49d6fa21 | 14791 | crtc->base.state->active = crtc->active; |
24929352 | 14792 | crtc->base.enabled = crtc->active; |
b70709a6 ML |
14793 | |
14794 | plane_state = to_intel_plane_state(primary->state); | |
14795 | plane_state->visible = primary_get_hw_state(crtc); | |
24929352 DV |
14796 | |
14797 | DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n", | |
14798 | crtc->base.base.id, | |
14799 | crtc->active ? "enabled" : "disabled"); | |
14800 | } | |
14801 | ||
5358901f DV |
14802 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
14803 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
14804 | ||
3e369b76 ACO |
14805 | pll->on = pll->get_hw_state(dev_priv, pll, |
14806 | &pll->config.hw_state); | |
5358901f | 14807 | pll->active = 0; |
3e369b76 | 14808 | pll->config.crtc_mask = 0; |
d3fcc808 | 14809 | for_each_intel_crtc(dev, crtc) { |
1e6f2ddc | 14810 | if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) { |
5358901f | 14811 | pll->active++; |
3e369b76 | 14812 | pll->config.crtc_mask |= 1 << crtc->pipe; |
1e6f2ddc | 14813 | } |
5358901f | 14814 | } |
5358901f | 14815 | |
1e6f2ddc | 14816 | DRM_DEBUG_KMS("%s hw state readout: crtc_mask 0x%08x, on %i\n", |
3e369b76 | 14817 | pll->name, pll->config.crtc_mask, pll->on); |
bd2bb1b9 | 14818 | |
3e369b76 | 14819 | if (pll->config.crtc_mask) |
bd2bb1b9 | 14820 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); |
5358901f DV |
14821 | } |
14822 | ||
b2784e15 | 14823 | for_each_intel_encoder(dev, encoder) { |
24929352 DV |
14824 | pipe = 0; |
14825 | ||
14826 | if (encoder->get_hw_state(encoder, &pipe)) { | |
045ac3b5 JB |
14827 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
14828 | encoder->base.crtc = &crtc->base; | |
6e3c9717 | 14829 | encoder->get_config(encoder, crtc->config); |
24929352 DV |
14830 | } else { |
14831 | encoder->base.crtc = NULL; | |
14832 | } | |
14833 | ||
14834 | encoder->connectors_active = false; | |
6f2bcceb | 14835 | DRM_DEBUG_KMS("[ENCODER:%d:%s] hw state readout: %s, pipe %c\n", |
24929352 | 14836 | encoder->base.base.id, |
8e329a03 | 14837 | encoder->base.name, |
24929352 | 14838 | encoder->base.crtc ? "enabled" : "disabled", |
6f2bcceb | 14839 | pipe_name(pipe)); |
24929352 DV |
14840 | } |
14841 | ||
3a3371ff | 14842 | for_each_intel_connector(dev, connector) { |
24929352 DV |
14843 | if (connector->get_hw_state(connector)) { |
14844 | connector->base.dpms = DRM_MODE_DPMS_ON; | |
14845 | connector->encoder->connectors_active = true; | |
14846 | connector->base.encoder = &connector->encoder->base; | |
14847 | } else { | |
14848 | connector->base.dpms = DRM_MODE_DPMS_OFF; | |
14849 | connector->base.encoder = NULL; | |
14850 | } | |
14851 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] hw state readout: %s\n", | |
14852 | connector->base.base.id, | |
c23cc417 | 14853 | connector->base.name, |
24929352 DV |
14854 | connector->base.encoder ? "enabled" : "disabled"); |
14855 | } | |
30e984df DV |
14856 | } |
14857 | ||
14858 | /* Scan out the current hw modeset state, sanitizes it and maps it into the drm | |
14859 | * and i915 state tracking structures. */ | |
14860 | void intel_modeset_setup_hw_state(struct drm_device *dev, | |
14861 | bool force_restore) | |
14862 | { | |
14863 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14864 | enum pipe pipe; | |
30e984df DV |
14865 | struct intel_crtc *crtc; |
14866 | struct intel_encoder *encoder; | |
35c95375 | 14867 | int i; |
30e984df DV |
14868 | |
14869 | intel_modeset_readout_hw_state(dev); | |
24929352 | 14870 | |
babea61d JB |
14871 | /* |
14872 | * Now that we have the config, copy it to each CRTC struct | |
14873 | * Note that this could go away if we move to using crtc_config | |
14874 | * checking everywhere. | |
14875 | */ | |
d3fcc808 | 14876 | for_each_intel_crtc(dev, crtc) { |
d330a953 | 14877 | if (crtc->active && i915.fastboot) { |
6e3c9717 ACO |
14878 | intel_mode_from_pipe_config(&crtc->base.mode, |
14879 | crtc->config); | |
babea61d JB |
14880 | DRM_DEBUG_KMS("[CRTC:%d] found active mode: ", |
14881 | crtc->base.base.id); | |
14882 | drm_mode_debug_printmodeline(&crtc->base.mode); | |
14883 | } | |
14884 | } | |
14885 | ||
24929352 | 14886 | /* HW state is read out, now we need to sanitize this mess. */ |
b2784e15 | 14887 | for_each_intel_encoder(dev, encoder) { |
24929352 DV |
14888 | intel_sanitize_encoder(encoder); |
14889 | } | |
14890 | ||
055e393f | 14891 | for_each_pipe(dev_priv, pipe) { |
24929352 DV |
14892 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
14893 | intel_sanitize_crtc(crtc); | |
6e3c9717 ACO |
14894 | intel_dump_pipe_config(crtc, crtc->config, |
14895 | "[setup_hw_state]"); | |
24929352 | 14896 | } |
9a935856 | 14897 | |
d29b2f9d ACO |
14898 | intel_modeset_update_connector_atomic_state(dev); |
14899 | ||
35c95375 DV |
14900 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
14901 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
14902 | ||
14903 | if (!pll->on || pll->active) | |
14904 | continue; | |
14905 | ||
14906 | DRM_DEBUG_KMS("%s enabled but not in use, disabling\n", pll->name); | |
14907 | ||
14908 | pll->disable(dev_priv, pll); | |
14909 | pll->on = false; | |
14910 | } | |
14911 | ||
3078999f PB |
14912 | if (IS_GEN9(dev)) |
14913 | skl_wm_get_hw_state(dev); | |
14914 | else if (HAS_PCH_SPLIT(dev)) | |
243e6a44 VS |
14915 | ilk_wm_get_hw_state(dev); |
14916 | ||
45e2b5f6 | 14917 | if (force_restore) { |
7d0bc1ea VS |
14918 | i915_redisable_vga(dev); |
14919 | ||
f30da187 DV |
14920 | /* |
14921 | * We need to use raw interfaces for restoring state to avoid | |
14922 | * checking (bogus) intermediate states. | |
14923 | */ | |
055e393f | 14924 | for_each_pipe(dev_priv, pipe) { |
b5644d05 JB |
14925 | struct drm_crtc *crtc = |
14926 | dev_priv->pipe_to_crtc_mapping[pipe]; | |
f30da187 | 14927 | |
83a57153 | 14928 | intel_crtc_restore_mode(crtc); |
45e2b5f6 DV |
14929 | } |
14930 | } else { | |
14931 | intel_modeset_update_staged_output_state(dev); | |
14932 | } | |
8af6cf88 DV |
14933 | |
14934 | intel_modeset_check_state(dev); | |
2c7111db CW |
14935 | } |
14936 | ||
14937 | void intel_modeset_gem_init(struct drm_device *dev) | |
14938 | { | |
92122789 | 14939 | struct drm_i915_private *dev_priv = dev->dev_private; |
484b41dd | 14940 | struct drm_crtc *c; |
2ff8fde1 | 14941 | struct drm_i915_gem_object *obj; |
e0d6149b | 14942 | int ret; |
484b41dd | 14943 | |
ae48434c ID |
14944 | mutex_lock(&dev->struct_mutex); |
14945 | intel_init_gt_powersave(dev); | |
14946 | mutex_unlock(&dev->struct_mutex); | |
14947 | ||
92122789 JB |
14948 | /* |
14949 | * There may be no VBT; and if the BIOS enabled SSC we can | |
14950 | * just keep using it to avoid unnecessary flicker. Whereas if the | |
14951 | * BIOS isn't using it, don't assume it will work even if the VBT | |
14952 | * indicates as much. | |
14953 | */ | |
14954 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
14955 | dev_priv->vbt.lvds_use_ssc = !!(I915_READ(PCH_DREF_CONTROL) & | |
14956 | DREF_SSC1_ENABLE); | |
14957 | ||
1833b134 | 14958 | intel_modeset_init_hw(dev); |
02e792fb DV |
14959 | |
14960 | intel_setup_overlay(dev); | |
484b41dd JB |
14961 | |
14962 | /* | |
14963 | * Make sure any fbs we allocated at startup are properly | |
14964 | * pinned & fenced. When we do the allocation it's too early | |
14965 | * for this. | |
14966 | */ | |
70e1e0ec | 14967 | for_each_crtc(dev, c) { |
2ff8fde1 MR |
14968 | obj = intel_fb_obj(c->primary->fb); |
14969 | if (obj == NULL) | |
484b41dd JB |
14970 | continue; |
14971 | ||
e0d6149b TU |
14972 | mutex_lock(&dev->struct_mutex); |
14973 | ret = intel_pin_and_fence_fb_obj(c->primary, | |
14974 | c->primary->fb, | |
14975 | c->primary->state, | |
14976 | NULL); | |
14977 | mutex_unlock(&dev->struct_mutex); | |
14978 | if (ret) { | |
484b41dd JB |
14979 | DRM_ERROR("failed to pin boot fb on pipe %d\n", |
14980 | to_intel_crtc(c)->pipe); | |
66e514c1 DA |
14981 | drm_framebuffer_unreference(c->primary->fb); |
14982 | c->primary->fb = NULL; | |
afd65eb4 | 14983 | update_state_fb(c->primary); |
484b41dd JB |
14984 | } |
14985 | } | |
0962c3c9 VS |
14986 | |
14987 | intel_backlight_register(dev); | |
79e53945 JB |
14988 | } |
14989 | ||
4932e2c3 ID |
14990 | void intel_connector_unregister(struct intel_connector *intel_connector) |
14991 | { | |
14992 | struct drm_connector *connector = &intel_connector->base; | |
14993 | ||
14994 | intel_panel_destroy_backlight(connector); | |
34ea3d38 | 14995 | drm_connector_unregister(connector); |
4932e2c3 ID |
14996 | } |
14997 | ||
79e53945 JB |
14998 | void intel_modeset_cleanup(struct drm_device *dev) |
14999 | { | |
652c393a | 15000 | struct drm_i915_private *dev_priv = dev->dev_private; |
d9255d57 | 15001 | struct drm_connector *connector; |
652c393a | 15002 | |
2eb5252e ID |
15003 | intel_disable_gt_powersave(dev); |
15004 | ||
0962c3c9 VS |
15005 | intel_backlight_unregister(dev); |
15006 | ||
fd0c0642 DV |
15007 | /* |
15008 | * Interrupts and polling as the first thing to avoid creating havoc. | |
2eb5252e | 15009 | * Too much stuff here (turning of connectors, ...) would |
fd0c0642 DV |
15010 | * experience fancy races otherwise. |
15011 | */ | |
2aeb7d3a | 15012 | intel_irq_uninstall(dev_priv); |
eb21b92b | 15013 | |
fd0c0642 DV |
15014 | /* |
15015 | * Due to the hpd irq storm handling the hotplug work can re-arm the | |
15016 | * poll handlers. Hence disable polling after hpd handling is shut down. | |
15017 | */ | |
f87ea761 | 15018 | drm_kms_helper_poll_fini(dev); |
fd0c0642 | 15019 | |
652c393a JB |
15020 | mutex_lock(&dev->struct_mutex); |
15021 | ||
723bfd70 JB |
15022 | intel_unregister_dsm_handler(); |
15023 | ||
7ff0ebcc | 15024 | intel_fbc_disable(dev); |
e70236a8 | 15025 | |
69341a5e KH |
15026 | mutex_unlock(&dev->struct_mutex); |
15027 | ||
1630fe75 CW |
15028 | /* flush any delayed tasks or pending work */ |
15029 | flush_scheduled_work(); | |
15030 | ||
db31af1d JN |
15031 | /* destroy the backlight and sysfs files before encoders/connectors */ |
15032 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
4932e2c3 ID |
15033 | struct intel_connector *intel_connector; |
15034 | ||
15035 | intel_connector = to_intel_connector(connector); | |
15036 | intel_connector->unregister(intel_connector); | |
db31af1d | 15037 | } |
d9255d57 | 15038 | |
79e53945 | 15039 | drm_mode_config_cleanup(dev); |
4d7bb011 DV |
15040 | |
15041 | intel_cleanup_overlay(dev); | |
ae48434c ID |
15042 | |
15043 | mutex_lock(&dev->struct_mutex); | |
15044 | intel_cleanup_gt_powersave(dev); | |
15045 | mutex_unlock(&dev->struct_mutex); | |
79e53945 JB |
15046 | } |
15047 | ||
f1c79df3 ZW |
15048 | /* |
15049 | * Return which encoder is currently attached for connector. | |
15050 | */ | |
df0e9248 | 15051 | struct drm_encoder *intel_best_encoder(struct drm_connector *connector) |
79e53945 | 15052 | { |
df0e9248 CW |
15053 | return &intel_attached_encoder(connector)->base; |
15054 | } | |
f1c79df3 | 15055 | |
df0e9248 CW |
15056 | void intel_connector_attach_encoder(struct intel_connector *connector, |
15057 | struct intel_encoder *encoder) | |
15058 | { | |
15059 | connector->encoder = encoder; | |
15060 | drm_mode_connector_attach_encoder(&connector->base, | |
15061 | &encoder->base); | |
79e53945 | 15062 | } |
28d52043 DA |
15063 | |
15064 | /* | |
15065 | * set vga decode state - true == enable VGA decode | |
15066 | */ | |
15067 | int intel_modeset_vga_set_state(struct drm_device *dev, bool state) | |
15068 | { | |
15069 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a885b3cc | 15070 | unsigned reg = INTEL_INFO(dev)->gen >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL; |
28d52043 DA |
15071 | u16 gmch_ctrl; |
15072 | ||
75fa041d CW |
15073 | if (pci_read_config_word(dev_priv->bridge_dev, reg, &gmch_ctrl)) { |
15074 | DRM_ERROR("failed to read control word\n"); | |
15075 | return -EIO; | |
15076 | } | |
15077 | ||
c0cc8a55 CW |
15078 | if (!!(gmch_ctrl & INTEL_GMCH_VGA_DISABLE) == !state) |
15079 | return 0; | |
15080 | ||
28d52043 DA |
15081 | if (state) |
15082 | gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE; | |
15083 | else | |
15084 | gmch_ctrl |= INTEL_GMCH_VGA_DISABLE; | |
75fa041d CW |
15085 | |
15086 | if (pci_write_config_word(dev_priv->bridge_dev, reg, gmch_ctrl)) { | |
15087 | DRM_ERROR("failed to write control word\n"); | |
15088 | return -EIO; | |
15089 | } | |
15090 | ||
28d52043 DA |
15091 | return 0; |
15092 | } | |
c4a1d9e4 | 15093 | |
c4a1d9e4 | 15094 | struct intel_display_error_state { |
ff57f1b0 PZ |
15095 | |
15096 | u32 power_well_driver; | |
15097 | ||
63b66e5b CW |
15098 | int num_transcoders; |
15099 | ||
c4a1d9e4 CW |
15100 | struct intel_cursor_error_state { |
15101 | u32 control; | |
15102 | u32 position; | |
15103 | u32 base; | |
15104 | u32 size; | |
52331309 | 15105 | } cursor[I915_MAX_PIPES]; |
c4a1d9e4 CW |
15106 | |
15107 | struct intel_pipe_error_state { | |
ddf9c536 | 15108 | bool power_domain_on; |
c4a1d9e4 | 15109 | u32 source; |
f301b1e1 | 15110 | u32 stat; |
52331309 | 15111 | } pipe[I915_MAX_PIPES]; |
c4a1d9e4 CW |
15112 | |
15113 | struct intel_plane_error_state { | |
15114 | u32 control; | |
15115 | u32 stride; | |
15116 | u32 size; | |
15117 | u32 pos; | |
15118 | u32 addr; | |
15119 | u32 surface; | |
15120 | u32 tile_offset; | |
52331309 | 15121 | } plane[I915_MAX_PIPES]; |
63b66e5b CW |
15122 | |
15123 | struct intel_transcoder_error_state { | |
ddf9c536 | 15124 | bool power_domain_on; |
63b66e5b CW |
15125 | enum transcoder cpu_transcoder; |
15126 | ||
15127 | u32 conf; | |
15128 | ||
15129 | u32 htotal; | |
15130 | u32 hblank; | |
15131 | u32 hsync; | |
15132 | u32 vtotal; | |
15133 | u32 vblank; | |
15134 | u32 vsync; | |
15135 | } transcoder[4]; | |
c4a1d9e4 CW |
15136 | }; |
15137 | ||
15138 | struct intel_display_error_state * | |
15139 | intel_display_capture_error_state(struct drm_device *dev) | |
15140 | { | |
fbee40df | 15141 | struct drm_i915_private *dev_priv = dev->dev_private; |
c4a1d9e4 | 15142 | struct intel_display_error_state *error; |
63b66e5b CW |
15143 | int transcoders[] = { |
15144 | TRANSCODER_A, | |
15145 | TRANSCODER_B, | |
15146 | TRANSCODER_C, | |
15147 | TRANSCODER_EDP, | |
15148 | }; | |
c4a1d9e4 CW |
15149 | int i; |
15150 | ||
63b66e5b CW |
15151 | if (INTEL_INFO(dev)->num_pipes == 0) |
15152 | return NULL; | |
15153 | ||
9d1cb914 | 15154 | error = kzalloc(sizeof(*error), GFP_ATOMIC); |
c4a1d9e4 CW |
15155 | if (error == NULL) |
15156 | return NULL; | |
15157 | ||
190be112 | 15158 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
ff57f1b0 PZ |
15159 | error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER); |
15160 | ||
055e393f | 15161 | for_each_pipe(dev_priv, i) { |
ddf9c536 | 15162 | error->pipe[i].power_domain_on = |
f458ebbc DV |
15163 | __intel_display_power_is_enabled(dev_priv, |
15164 | POWER_DOMAIN_PIPE(i)); | |
ddf9c536 | 15165 | if (!error->pipe[i].power_domain_on) |
9d1cb914 PZ |
15166 | continue; |
15167 | ||
5efb3e28 VS |
15168 | error->cursor[i].control = I915_READ(CURCNTR(i)); |
15169 | error->cursor[i].position = I915_READ(CURPOS(i)); | |
15170 | error->cursor[i].base = I915_READ(CURBASE(i)); | |
c4a1d9e4 CW |
15171 | |
15172 | error->plane[i].control = I915_READ(DSPCNTR(i)); | |
15173 | error->plane[i].stride = I915_READ(DSPSTRIDE(i)); | |
80ca378b | 15174 | if (INTEL_INFO(dev)->gen <= 3) { |
51889b35 | 15175 | error->plane[i].size = I915_READ(DSPSIZE(i)); |
80ca378b PZ |
15176 | error->plane[i].pos = I915_READ(DSPPOS(i)); |
15177 | } | |
ca291363 PZ |
15178 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
15179 | error->plane[i].addr = I915_READ(DSPADDR(i)); | |
c4a1d9e4 CW |
15180 | if (INTEL_INFO(dev)->gen >= 4) { |
15181 | error->plane[i].surface = I915_READ(DSPSURF(i)); | |
15182 | error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i)); | |
15183 | } | |
15184 | ||
c4a1d9e4 | 15185 | error->pipe[i].source = I915_READ(PIPESRC(i)); |
f301b1e1 | 15186 | |
3abfce77 | 15187 | if (HAS_GMCH_DISPLAY(dev)) |
f301b1e1 | 15188 | error->pipe[i].stat = I915_READ(PIPESTAT(i)); |
63b66e5b CW |
15189 | } |
15190 | ||
15191 | error->num_transcoders = INTEL_INFO(dev)->num_pipes; | |
15192 | if (HAS_DDI(dev_priv->dev)) | |
15193 | error->num_transcoders++; /* Account for eDP. */ | |
15194 | ||
15195 | for (i = 0; i < error->num_transcoders; i++) { | |
15196 | enum transcoder cpu_transcoder = transcoders[i]; | |
15197 | ||
ddf9c536 | 15198 | error->transcoder[i].power_domain_on = |
f458ebbc | 15199 | __intel_display_power_is_enabled(dev_priv, |
38cc1daf | 15200 | POWER_DOMAIN_TRANSCODER(cpu_transcoder)); |
ddf9c536 | 15201 | if (!error->transcoder[i].power_domain_on) |
9d1cb914 PZ |
15202 | continue; |
15203 | ||
63b66e5b CW |
15204 | error->transcoder[i].cpu_transcoder = cpu_transcoder; |
15205 | ||
15206 | error->transcoder[i].conf = I915_READ(PIPECONF(cpu_transcoder)); | |
15207 | error->transcoder[i].htotal = I915_READ(HTOTAL(cpu_transcoder)); | |
15208 | error->transcoder[i].hblank = I915_READ(HBLANK(cpu_transcoder)); | |
15209 | error->transcoder[i].hsync = I915_READ(HSYNC(cpu_transcoder)); | |
15210 | error->transcoder[i].vtotal = I915_READ(VTOTAL(cpu_transcoder)); | |
15211 | error->transcoder[i].vblank = I915_READ(VBLANK(cpu_transcoder)); | |
15212 | error->transcoder[i].vsync = I915_READ(VSYNC(cpu_transcoder)); | |
c4a1d9e4 CW |
15213 | } |
15214 | ||
15215 | return error; | |
15216 | } | |
15217 | ||
edc3d884 MK |
15218 | #define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__) |
15219 | ||
c4a1d9e4 | 15220 | void |
edc3d884 | 15221 | intel_display_print_error_state(struct drm_i915_error_state_buf *m, |
c4a1d9e4 CW |
15222 | struct drm_device *dev, |
15223 | struct intel_display_error_state *error) | |
15224 | { | |
055e393f | 15225 | struct drm_i915_private *dev_priv = dev->dev_private; |
c4a1d9e4 CW |
15226 | int i; |
15227 | ||
63b66e5b CW |
15228 | if (!error) |
15229 | return; | |
15230 | ||
edc3d884 | 15231 | err_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes); |
190be112 | 15232 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
edc3d884 | 15233 | err_printf(m, "PWR_WELL_CTL2: %08x\n", |
ff57f1b0 | 15234 | error->power_well_driver); |
055e393f | 15235 | for_each_pipe(dev_priv, i) { |
edc3d884 | 15236 | err_printf(m, "Pipe [%d]:\n", i); |
ddf9c536 ID |
15237 | err_printf(m, " Power: %s\n", |
15238 | error->pipe[i].power_domain_on ? "on" : "off"); | |
edc3d884 | 15239 | err_printf(m, " SRC: %08x\n", error->pipe[i].source); |
f301b1e1 | 15240 | err_printf(m, " STAT: %08x\n", error->pipe[i].stat); |
edc3d884 MK |
15241 | |
15242 | err_printf(m, "Plane [%d]:\n", i); | |
15243 | err_printf(m, " CNTR: %08x\n", error->plane[i].control); | |
15244 | err_printf(m, " STRIDE: %08x\n", error->plane[i].stride); | |
80ca378b | 15245 | if (INTEL_INFO(dev)->gen <= 3) { |
edc3d884 MK |
15246 | err_printf(m, " SIZE: %08x\n", error->plane[i].size); |
15247 | err_printf(m, " POS: %08x\n", error->plane[i].pos); | |
80ca378b | 15248 | } |
4b71a570 | 15249 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
edc3d884 | 15250 | err_printf(m, " ADDR: %08x\n", error->plane[i].addr); |
c4a1d9e4 | 15251 | if (INTEL_INFO(dev)->gen >= 4) { |
edc3d884 MK |
15252 | err_printf(m, " SURF: %08x\n", error->plane[i].surface); |
15253 | err_printf(m, " TILEOFF: %08x\n", error->plane[i].tile_offset); | |
c4a1d9e4 CW |
15254 | } |
15255 | ||
edc3d884 MK |
15256 | err_printf(m, "Cursor [%d]:\n", i); |
15257 | err_printf(m, " CNTR: %08x\n", error->cursor[i].control); | |
15258 | err_printf(m, " POS: %08x\n", error->cursor[i].position); | |
15259 | err_printf(m, " BASE: %08x\n", error->cursor[i].base); | |
c4a1d9e4 | 15260 | } |
63b66e5b CW |
15261 | |
15262 | for (i = 0; i < error->num_transcoders; i++) { | |
1cf84bb6 | 15263 | err_printf(m, "CPU transcoder: %c\n", |
63b66e5b | 15264 | transcoder_name(error->transcoder[i].cpu_transcoder)); |
ddf9c536 ID |
15265 | err_printf(m, " Power: %s\n", |
15266 | error->transcoder[i].power_domain_on ? "on" : "off"); | |
63b66e5b CW |
15267 | err_printf(m, " CONF: %08x\n", error->transcoder[i].conf); |
15268 | err_printf(m, " HTOTAL: %08x\n", error->transcoder[i].htotal); | |
15269 | err_printf(m, " HBLANK: %08x\n", error->transcoder[i].hblank); | |
15270 | err_printf(m, " HSYNC: %08x\n", error->transcoder[i].hsync); | |
15271 | err_printf(m, " VTOTAL: %08x\n", error->transcoder[i].vtotal); | |
15272 | err_printf(m, " VBLANK: %08x\n", error->transcoder[i].vblank); | |
15273 | err_printf(m, " VSYNC: %08x\n", error->transcoder[i].vsync); | |
15274 | } | |
c4a1d9e4 | 15275 | } |
e2fcdaa9 VS |
15276 | |
15277 | void intel_modeset_preclose(struct drm_device *dev, struct drm_file *file) | |
15278 | { | |
15279 | struct intel_crtc *crtc; | |
15280 | ||
15281 | for_each_intel_crtc(dev, crtc) { | |
15282 | struct intel_unpin_work *work; | |
e2fcdaa9 | 15283 | |
5e2d7afc | 15284 | spin_lock_irq(&dev->event_lock); |
e2fcdaa9 VS |
15285 | |
15286 | work = crtc->unpin_work; | |
15287 | ||
15288 | if (work && work->event && | |
15289 | work->event->base.file_priv == file) { | |
15290 | kfree(work->event); | |
15291 | work->event = NULL; | |
15292 | } | |
15293 | ||
5e2d7afc | 15294 | spin_unlock_irq(&dev->event_lock); |
e2fcdaa9 VS |
15295 | } |
15296 | } |