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79e53945 JB |
1 | /* |
2 | * Copyright © 2006-2007 Intel Corporation | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: | |
24 | * Eric Anholt <eric@anholt.net> | |
25 | */ | |
26 | ||
618563e3 | 27 | #include <linux/dmi.h> |
c1c7af60 JB |
28 | #include <linux/module.h> |
29 | #include <linux/input.h> | |
79e53945 | 30 | #include <linux/i2c.h> |
7662c8bd | 31 | #include <linux/kernel.h> |
5a0e3ad6 | 32 | #include <linux/slab.h> |
9cce37f4 | 33 | #include <linux/vgaarb.h> |
e0dac65e | 34 | #include <drm/drm_edid.h> |
760285e7 | 35 | #include <drm/drmP.h> |
79e53945 | 36 | #include "intel_drv.h" |
760285e7 | 37 | #include <drm/i915_drm.h> |
79e53945 | 38 | #include "i915_drv.h" |
e5510fac | 39 | #include "i915_trace.h" |
760285e7 DH |
40 | #include <drm/drm_dp_helper.h> |
41 | #include <drm/drm_crtc_helper.h> | |
c0f372b3 | 42 | #include <linux/dma_remapping.h> |
79e53945 | 43 | |
3dec0095 | 44 | static void intel_increase_pllclock(struct drm_crtc *crtc); |
6b383a7f | 45 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on); |
79e53945 | 46 | |
f1f644dc JB |
47 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
48 | struct intel_crtc_config *pipe_config); | |
18442d08 VS |
49 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
50 | struct intel_crtc_config *pipe_config); | |
f1f644dc | 51 | |
e7457a9a DL |
52 | static int intel_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode, |
53 | int x, int y, struct drm_framebuffer *old_fb); | |
eb1bfe80 JB |
54 | static int intel_framebuffer_init(struct drm_device *dev, |
55 | struct intel_framebuffer *ifb, | |
56 | struct drm_mode_fb_cmd2 *mode_cmd, | |
57 | struct drm_i915_gem_object *obj); | |
e7457a9a | 58 | |
79e53945 | 59 | typedef struct { |
0206e353 | 60 | int min, max; |
79e53945 JB |
61 | } intel_range_t; |
62 | ||
63 | typedef struct { | |
0206e353 AJ |
64 | int dot_limit; |
65 | int p2_slow, p2_fast; | |
79e53945 JB |
66 | } intel_p2_t; |
67 | ||
d4906093 ML |
68 | typedef struct intel_limit intel_limit_t; |
69 | struct intel_limit { | |
0206e353 AJ |
70 | intel_range_t dot, vco, n, m, m1, m2, p, p1; |
71 | intel_p2_t p2; | |
d4906093 | 72 | }; |
79e53945 | 73 | |
d2acd215 DV |
74 | int |
75 | intel_pch_rawclk(struct drm_device *dev) | |
76 | { | |
77 | struct drm_i915_private *dev_priv = dev->dev_private; | |
78 | ||
79 | WARN_ON(!HAS_PCH_SPLIT(dev)); | |
80 | ||
81 | return I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK; | |
82 | } | |
83 | ||
021357ac CW |
84 | static inline u32 /* units of 100MHz */ |
85 | intel_fdi_link_freq(struct drm_device *dev) | |
86 | { | |
8b99e68c CW |
87 | if (IS_GEN5(dev)) { |
88 | struct drm_i915_private *dev_priv = dev->dev_private; | |
89 | return (I915_READ(FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK) + 2; | |
90 | } else | |
91 | return 27; | |
021357ac CW |
92 | } |
93 | ||
5d536e28 | 94 | static const intel_limit_t intel_limits_i8xx_dac = { |
0206e353 | 95 | .dot = { .min = 25000, .max = 350000 }, |
9c333719 | 96 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 97 | .n = { .min = 2, .max = 16 }, |
0206e353 AJ |
98 | .m = { .min = 96, .max = 140 }, |
99 | .m1 = { .min = 18, .max = 26 }, | |
100 | .m2 = { .min = 6, .max = 16 }, | |
101 | .p = { .min = 4, .max = 128 }, | |
102 | .p1 = { .min = 2, .max = 33 }, | |
273e27ca EA |
103 | .p2 = { .dot_limit = 165000, |
104 | .p2_slow = 4, .p2_fast = 2 }, | |
e4b36699 KP |
105 | }; |
106 | ||
5d536e28 DV |
107 | static const intel_limit_t intel_limits_i8xx_dvo = { |
108 | .dot = { .min = 25000, .max = 350000 }, | |
9c333719 | 109 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 110 | .n = { .min = 2, .max = 16 }, |
5d536e28 DV |
111 | .m = { .min = 96, .max = 140 }, |
112 | .m1 = { .min = 18, .max = 26 }, | |
113 | .m2 = { .min = 6, .max = 16 }, | |
114 | .p = { .min = 4, .max = 128 }, | |
115 | .p1 = { .min = 2, .max = 33 }, | |
116 | .p2 = { .dot_limit = 165000, | |
117 | .p2_slow = 4, .p2_fast = 4 }, | |
118 | }; | |
119 | ||
e4b36699 | 120 | static const intel_limit_t intel_limits_i8xx_lvds = { |
0206e353 | 121 | .dot = { .min = 25000, .max = 350000 }, |
9c333719 | 122 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 123 | .n = { .min = 2, .max = 16 }, |
0206e353 AJ |
124 | .m = { .min = 96, .max = 140 }, |
125 | .m1 = { .min = 18, .max = 26 }, | |
126 | .m2 = { .min = 6, .max = 16 }, | |
127 | .p = { .min = 4, .max = 128 }, | |
128 | .p1 = { .min = 1, .max = 6 }, | |
273e27ca EA |
129 | .p2 = { .dot_limit = 165000, |
130 | .p2_slow = 14, .p2_fast = 7 }, | |
e4b36699 | 131 | }; |
273e27ca | 132 | |
e4b36699 | 133 | static const intel_limit_t intel_limits_i9xx_sdvo = { |
0206e353 AJ |
134 | .dot = { .min = 20000, .max = 400000 }, |
135 | .vco = { .min = 1400000, .max = 2800000 }, | |
136 | .n = { .min = 1, .max = 6 }, | |
137 | .m = { .min = 70, .max = 120 }, | |
4f7dfb67 PJ |
138 | .m1 = { .min = 8, .max = 18 }, |
139 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
140 | .p = { .min = 5, .max = 80 }, |
141 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
142 | .p2 = { .dot_limit = 200000, |
143 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
144 | }; |
145 | ||
146 | static const intel_limit_t intel_limits_i9xx_lvds = { | |
0206e353 AJ |
147 | .dot = { .min = 20000, .max = 400000 }, |
148 | .vco = { .min = 1400000, .max = 2800000 }, | |
149 | .n = { .min = 1, .max = 6 }, | |
150 | .m = { .min = 70, .max = 120 }, | |
53a7d2d1 PJ |
151 | .m1 = { .min = 8, .max = 18 }, |
152 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
153 | .p = { .min = 7, .max = 98 }, |
154 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
155 | .p2 = { .dot_limit = 112000, |
156 | .p2_slow = 14, .p2_fast = 7 }, | |
e4b36699 KP |
157 | }; |
158 | ||
273e27ca | 159 | |
e4b36699 | 160 | static const intel_limit_t intel_limits_g4x_sdvo = { |
273e27ca EA |
161 | .dot = { .min = 25000, .max = 270000 }, |
162 | .vco = { .min = 1750000, .max = 3500000}, | |
163 | .n = { .min = 1, .max = 4 }, | |
164 | .m = { .min = 104, .max = 138 }, | |
165 | .m1 = { .min = 17, .max = 23 }, | |
166 | .m2 = { .min = 5, .max = 11 }, | |
167 | .p = { .min = 10, .max = 30 }, | |
168 | .p1 = { .min = 1, .max = 3}, | |
169 | .p2 = { .dot_limit = 270000, | |
170 | .p2_slow = 10, | |
171 | .p2_fast = 10 | |
044c7c41 | 172 | }, |
e4b36699 KP |
173 | }; |
174 | ||
175 | static const intel_limit_t intel_limits_g4x_hdmi = { | |
273e27ca EA |
176 | .dot = { .min = 22000, .max = 400000 }, |
177 | .vco = { .min = 1750000, .max = 3500000}, | |
178 | .n = { .min = 1, .max = 4 }, | |
179 | .m = { .min = 104, .max = 138 }, | |
180 | .m1 = { .min = 16, .max = 23 }, | |
181 | .m2 = { .min = 5, .max = 11 }, | |
182 | .p = { .min = 5, .max = 80 }, | |
183 | .p1 = { .min = 1, .max = 8}, | |
184 | .p2 = { .dot_limit = 165000, | |
185 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
186 | }; |
187 | ||
188 | static const intel_limit_t intel_limits_g4x_single_channel_lvds = { | |
273e27ca EA |
189 | .dot = { .min = 20000, .max = 115000 }, |
190 | .vco = { .min = 1750000, .max = 3500000 }, | |
191 | .n = { .min = 1, .max = 3 }, | |
192 | .m = { .min = 104, .max = 138 }, | |
193 | .m1 = { .min = 17, .max = 23 }, | |
194 | .m2 = { .min = 5, .max = 11 }, | |
195 | .p = { .min = 28, .max = 112 }, | |
196 | .p1 = { .min = 2, .max = 8 }, | |
197 | .p2 = { .dot_limit = 0, | |
198 | .p2_slow = 14, .p2_fast = 14 | |
044c7c41 | 199 | }, |
e4b36699 KP |
200 | }; |
201 | ||
202 | static const intel_limit_t intel_limits_g4x_dual_channel_lvds = { | |
273e27ca EA |
203 | .dot = { .min = 80000, .max = 224000 }, |
204 | .vco = { .min = 1750000, .max = 3500000 }, | |
205 | .n = { .min = 1, .max = 3 }, | |
206 | .m = { .min = 104, .max = 138 }, | |
207 | .m1 = { .min = 17, .max = 23 }, | |
208 | .m2 = { .min = 5, .max = 11 }, | |
209 | .p = { .min = 14, .max = 42 }, | |
210 | .p1 = { .min = 2, .max = 6 }, | |
211 | .p2 = { .dot_limit = 0, | |
212 | .p2_slow = 7, .p2_fast = 7 | |
044c7c41 | 213 | }, |
e4b36699 KP |
214 | }; |
215 | ||
f2b115e6 | 216 | static const intel_limit_t intel_limits_pineview_sdvo = { |
0206e353 AJ |
217 | .dot = { .min = 20000, .max = 400000}, |
218 | .vco = { .min = 1700000, .max = 3500000 }, | |
273e27ca | 219 | /* Pineview's Ncounter is a ring counter */ |
0206e353 AJ |
220 | .n = { .min = 3, .max = 6 }, |
221 | .m = { .min = 2, .max = 256 }, | |
273e27ca | 222 | /* Pineview only has one combined m divider, which we treat as m2. */ |
0206e353 AJ |
223 | .m1 = { .min = 0, .max = 0 }, |
224 | .m2 = { .min = 0, .max = 254 }, | |
225 | .p = { .min = 5, .max = 80 }, | |
226 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
227 | .p2 = { .dot_limit = 200000, |
228 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
229 | }; |
230 | ||
f2b115e6 | 231 | static const intel_limit_t intel_limits_pineview_lvds = { |
0206e353 AJ |
232 | .dot = { .min = 20000, .max = 400000 }, |
233 | .vco = { .min = 1700000, .max = 3500000 }, | |
234 | .n = { .min = 3, .max = 6 }, | |
235 | .m = { .min = 2, .max = 256 }, | |
236 | .m1 = { .min = 0, .max = 0 }, | |
237 | .m2 = { .min = 0, .max = 254 }, | |
238 | .p = { .min = 7, .max = 112 }, | |
239 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
240 | .p2 = { .dot_limit = 112000, |
241 | .p2_slow = 14, .p2_fast = 14 }, | |
e4b36699 KP |
242 | }; |
243 | ||
273e27ca EA |
244 | /* Ironlake / Sandybridge |
245 | * | |
246 | * We calculate clock using (register_value + 2) for N/M1/M2, so here | |
247 | * the range value for them is (actual_value - 2). | |
248 | */ | |
b91ad0ec | 249 | static const intel_limit_t intel_limits_ironlake_dac = { |
273e27ca EA |
250 | .dot = { .min = 25000, .max = 350000 }, |
251 | .vco = { .min = 1760000, .max = 3510000 }, | |
252 | .n = { .min = 1, .max = 5 }, | |
253 | .m = { .min = 79, .max = 127 }, | |
254 | .m1 = { .min = 12, .max = 22 }, | |
255 | .m2 = { .min = 5, .max = 9 }, | |
256 | .p = { .min = 5, .max = 80 }, | |
257 | .p1 = { .min = 1, .max = 8 }, | |
258 | .p2 = { .dot_limit = 225000, | |
259 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
260 | }; |
261 | ||
b91ad0ec | 262 | static const intel_limit_t intel_limits_ironlake_single_lvds = { |
273e27ca EA |
263 | .dot = { .min = 25000, .max = 350000 }, |
264 | .vco = { .min = 1760000, .max = 3510000 }, | |
265 | .n = { .min = 1, .max = 3 }, | |
266 | .m = { .min = 79, .max = 118 }, | |
267 | .m1 = { .min = 12, .max = 22 }, | |
268 | .m2 = { .min = 5, .max = 9 }, | |
269 | .p = { .min = 28, .max = 112 }, | |
270 | .p1 = { .min = 2, .max = 8 }, | |
271 | .p2 = { .dot_limit = 225000, | |
272 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
273 | }; |
274 | ||
275 | static const intel_limit_t intel_limits_ironlake_dual_lvds = { | |
273e27ca EA |
276 | .dot = { .min = 25000, .max = 350000 }, |
277 | .vco = { .min = 1760000, .max = 3510000 }, | |
278 | .n = { .min = 1, .max = 3 }, | |
279 | .m = { .min = 79, .max = 127 }, | |
280 | .m1 = { .min = 12, .max = 22 }, | |
281 | .m2 = { .min = 5, .max = 9 }, | |
282 | .p = { .min = 14, .max = 56 }, | |
283 | .p1 = { .min = 2, .max = 8 }, | |
284 | .p2 = { .dot_limit = 225000, | |
285 | .p2_slow = 7, .p2_fast = 7 }, | |
b91ad0ec ZW |
286 | }; |
287 | ||
273e27ca | 288 | /* LVDS 100mhz refclk limits. */ |
b91ad0ec | 289 | static const intel_limit_t intel_limits_ironlake_single_lvds_100m = { |
273e27ca EA |
290 | .dot = { .min = 25000, .max = 350000 }, |
291 | .vco = { .min = 1760000, .max = 3510000 }, | |
292 | .n = { .min = 1, .max = 2 }, | |
293 | .m = { .min = 79, .max = 126 }, | |
294 | .m1 = { .min = 12, .max = 22 }, | |
295 | .m2 = { .min = 5, .max = 9 }, | |
296 | .p = { .min = 28, .max = 112 }, | |
0206e353 | 297 | .p1 = { .min = 2, .max = 8 }, |
273e27ca EA |
298 | .p2 = { .dot_limit = 225000, |
299 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
300 | }; |
301 | ||
302 | static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = { | |
273e27ca EA |
303 | .dot = { .min = 25000, .max = 350000 }, |
304 | .vco = { .min = 1760000, .max = 3510000 }, | |
305 | .n = { .min = 1, .max = 3 }, | |
306 | .m = { .min = 79, .max = 126 }, | |
307 | .m1 = { .min = 12, .max = 22 }, | |
308 | .m2 = { .min = 5, .max = 9 }, | |
309 | .p = { .min = 14, .max = 42 }, | |
0206e353 | 310 | .p1 = { .min = 2, .max = 6 }, |
273e27ca EA |
311 | .p2 = { .dot_limit = 225000, |
312 | .p2_slow = 7, .p2_fast = 7 }, | |
4547668a ZY |
313 | }; |
314 | ||
dc730512 | 315 | static const intel_limit_t intel_limits_vlv = { |
f01b7962 VS |
316 | /* |
317 | * These are the data rate limits (measured in fast clocks) | |
318 | * since those are the strictest limits we have. The fast | |
319 | * clock and actual rate limits are more relaxed, so checking | |
320 | * them would make no difference. | |
321 | */ | |
322 | .dot = { .min = 25000 * 5, .max = 270000 * 5 }, | |
75e53986 | 323 | .vco = { .min = 4000000, .max = 6000000 }, |
a0c4da24 | 324 | .n = { .min = 1, .max = 7 }, |
a0c4da24 JB |
325 | .m1 = { .min = 2, .max = 3 }, |
326 | .m2 = { .min = 11, .max = 156 }, | |
b99ab663 | 327 | .p1 = { .min = 2, .max = 3 }, |
5fdc9c49 | 328 | .p2 = { .p2_slow = 2, .p2_fast = 20 }, /* slow=min, fast=max */ |
a0c4da24 JB |
329 | }; |
330 | ||
6b4bf1c4 VS |
331 | static void vlv_clock(int refclk, intel_clock_t *clock) |
332 | { | |
333 | clock->m = clock->m1 * clock->m2; | |
334 | clock->p = clock->p1 * clock->p2; | |
ed5ca77e VS |
335 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
336 | return; | |
fb03ac01 VS |
337 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
338 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
6b4bf1c4 VS |
339 | } |
340 | ||
e0638cdf PZ |
341 | /** |
342 | * Returns whether any output on the specified pipe is of the specified type | |
343 | */ | |
344 | static bool intel_pipe_has_type(struct drm_crtc *crtc, int type) | |
345 | { | |
346 | struct drm_device *dev = crtc->dev; | |
347 | struct intel_encoder *encoder; | |
348 | ||
349 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
350 | if (encoder->type == type) | |
351 | return true; | |
352 | ||
353 | return false; | |
354 | } | |
355 | ||
1b894b59 CW |
356 | static const intel_limit_t *intel_ironlake_limit(struct drm_crtc *crtc, |
357 | int refclk) | |
2c07245f | 358 | { |
b91ad0ec | 359 | struct drm_device *dev = crtc->dev; |
2c07245f | 360 | const intel_limit_t *limit; |
b91ad0ec ZW |
361 | |
362 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { | |
1974cad0 | 363 | if (intel_is_dual_link_lvds(dev)) { |
1b894b59 | 364 | if (refclk == 100000) |
b91ad0ec ZW |
365 | limit = &intel_limits_ironlake_dual_lvds_100m; |
366 | else | |
367 | limit = &intel_limits_ironlake_dual_lvds; | |
368 | } else { | |
1b894b59 | 369 | if (refclk == 100000) |
b91ad0ec ZW |
370 | limit = &intel_limits_ironlake_single_lvds_100m; |
371 | else | |
372 | limit = &intel_limits_ironlake_single_lvds; | |
373 | } | |
c6bb3538 | 374 | } else |
b91ad0ec | 375 | limit = &intel_limits_ironlake_dac; |
2c07245f ZW |
376 | |
377 | return limit; | |
378 | } | |
379 | ||
044c7c41 ML |
380 | static const intel_limit_t *intel_g4x_limit(struct drm_crtc *crtc) |
381 | { | |
382 | struct drm_device *dev = crtc->dev; | |
044c7c41 ML |
383 | const intel_limit_t *limit; |
384 | ||
385 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { | |
1974cad0 | 386 | if (intel_is_dual_link_lvds(dev)) |
e4b36699 | 387 | limit = &intel_limits_g4x_dual_channel_lvds; |
044c7c41 | 388 | else |
e4b36699 | 389 | limit = &intel_limits_g4x_single_channel_lvds; |
044c7c41 ML |
390 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI) || |
391 | intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG)) { | |
e4b36699 | 392 | limit = &intel_limits_g4x_hdmi; |
044c7c41 | 393 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO)) { |
e4b36699 | 394 | limit = &intel_limits_g4x_sdvo; |
044c7c41 | 395 | } else /* The option is for other outputs */ |
e4b36699 | 396 | limit = &intel_limits_i9xx_sdvo; |
044c7c41 ML |
397 | |
398 | return limit; | |
399 | } | |
400 | ||
1b894b59 | 401 | static const intel_limit_t *intel_limit(struct drm_crtc *crtc, int refclk) |
79e53945 JB |
402 | { |
403 | struct drm_device *dev = crtc->dev; | |
404 | const intel_limit_t *limit; | |
405 | ||
bad720ff | 406 | if (HAS_PCH_SPLIT(dev)) |
1b894b59 | 407 | limit = intel_ironlake_limit(crtc, refclk); |
2c07245f | 408 | else if (IS_G4X(dev)) { |
044c7c41 | 409 | limit = intel_g4x_limit(crtc); |
f2b115e6 | 410 | } else if (IS_PINEVIEW(dev)) { |
2177832f | 411 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) |
f2b115e6 | 412 | limit = &intel_limits_pineview_lvds; |
2177832f | 413 | else |
f2b115e6 | 414 | limit = &intel_limits_pineview_sdvo; |
a0c4da24 | 415 | } else if (IS_VALLEYVIEW(dev)) { |
dc730512 | 416 | limit = &intel_limits_vlv; |
a6c45cf0 CW |
417 | } else if (!IS_GEN2(dev)) { |
418 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) | |
419 | limit = &intel_limits_i9xx_lvds; | |
420 | else | |
421 | limit = &intel_limits_i9xx_sdvo; | |
79e53945 JB |
422 | } else { |
423 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) | |
e4b36699 | 424 | limit = &intel_limits_i8xx_lvds; |
5d536e28 | 425 | else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO)) |
e4b36699 | 426 | limit = &intel_limits_i8xx_dvo; |
5d536e28 DV |
427 | else |
428 | limit = &intel_limits_i8xx_dac; | |
79e53945 JB |
429 | } |
430 | return limit; | |
431 | } | |
432 | ||
f2b115e6 AJ |
433 | /* m1 is reserved as 0 in Pineview, n is a ring counter */ |
434 | static void pineview_clock(int refclk, intel_clock_t *clock) | |
79e53945 | 435 | { |
2177832f SL |
436 | clock->m = clock->m2 + 2; |
437 | clock->p = clock->p1 * clock->p2; | |
ed5ca77e VS |
438 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
439 | return; | |
fb03ac01 VS |
440 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
441 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
2177832f SL |
442 | } |
443 | ||
7429e9d4 DV |
444 | static uint32_t i9xx_dpll_compute_m(struct dpll *dpll) |
445 | { | |
446 | return 5 * (dpll->m1 + 2) + (dpll->m2 + 2); | |
447 | } | |
448 | ||
ac58c3f0 | 449 | static void i9xx_clock(int refclk, intel_clock_t *clock) |
2177832f | 450 | { |
7429e9d4 | 451 | clock->m = i9xx_dpll_compute_m(clock); |
79e53945 | 452 | clock->p = clock->p1 * clock->p2; |
ed5ca77e VS |
453 | if (WARN_ON(clock->n + 2 == 0 || clock->p == 0)) |
454 | return; | |
fb03ac01 VS |
455 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n + 2); |
456 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
79e53945 JB |
457 | } |
458 | ||
7c04d1d9 | 459 | #define INTELPllInvalid(s) do { /* DRM_DEBUG(s); */ return false; } while (0) |
79e53945 JB |
460 | /** |
461 | * Returns whether the given set of divisors are valid for a given refclk with | |
462 | * the given connectors. | |
463 | */ | |
464 | ||
1b894b59 CW |
465 | static bool intel_PLL_is_valid(struct drm_device *dev, |
466 | const intel_limit_t *limit, | |
467 | const intel_clock_t *clock) | |
79e53945 | 468 | { |
f01b7962 VS |
469 | if (clock->n < limit->n.min || limit->n.max < clock->n) |
470 | INTELPllInvalid("n out of range\n"); | |
79e53945 | 471 | if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1) |
0206e353 | 472 | INTELPllInvalid("p1 out of range\n"); |
79e53945 | 473 | if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2) |
0206e353 | 474 | INTELPllInvalid("m2 out of range\n"); |
79e53945 | 475 | if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1) |
0206e353 | 476 | INTELPllInvalid("m1 out of range\n"); |
f01b7962 VS |
477 | |
478 | if (!IS_PINEVIEW(dev) && !IS_VALLEYVIEW(dev)) | |
479 | if (clock->m1 <= clock->m2) | |
480 | INTELPllInvalid("m1 <= m2\n"); | |
481 | ||
482 | if (!IS_VALLEYVIEW(dev)) { | |
483 | if (clock->p < limit->p.min || limit->p.max < clock->p) | |
484 | INTELPllInvalid("p out of range\n"); | |
485 | if (clock->m < limit->m.min || limit->m.max < clock->m) | |
486 | INTELPllInvalid("m out of range\n"); | |
487 | } | |
488 | ||
79e53945 | 489 | if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) |
0206e353 | 490 | INTELPllInvalid("vco out of range\n"); |
79e53945 JB |
491 | /* XXX: We may need to be checking "Dot clock" depending on the multiplier, |
492 | * connector, etc., rather than just a single range. | |
493 | */ | |
494 | if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) | |
0206e353 | 495 | INTELPllInvalid("dot out of range\n"); |
79e53945 JB |
496 | |
497 | return true; | |
498 | } | |
499 | ||
d4906093 | 500 | static bool |
ee9300bb | 501 | i9xx_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc, |
cec2f356 SP |
502 | int target, int refclk, intel_clock_t *match_clock, |
503 | intel_clock_t *best_clock) | |
79e53945 JB |
504 | { |
505 | struct drm_device *dev = crtc->dev; | |
79e53945 | 506 | intel_clock_t clock; |
79e53945 JB |
507 | int err = target; |
508 | ||
a210b028 | 509 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { |
79e53945 | 510 | /* |
a210b028 DV |
511 | * For LVDS just rely on its current settings for dual-channel. |
512 | * We haven't figured out how to reliably set up different | |
513 | * single/dual channel state, if we even can. | |
79e53945 | 514 | */ |
1974cad0 | 515 | if (intel_is_dual_link_lvds(dev)) |
79e53945 JB |
516 | clock.p2 = limit->p2.p2_fast; |
517 | else | |
518 | clock.p2 = limit->p2.p2_slow; | |
519 | } else { | |
520 | if (target < limit->p2.dot_limit) | |
521 | clock.p2 = limit->p2.p2_slow; | |
522 | else | |
523 | clock.p2 = limit->p2.p2_fast; | |
524 | } | |
525 | ||
0206e353 | 526 | memset(best_clock, 0, sizeof(*best_clock)); |
79e53945 | 527 | |
42158660 ZY |
528 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
529 | clock.m1++) { | |
530 | for (clock.m2 = limit->m2.min; | |
531 | clock.m2 <= limit->m2.max; clock.m2++) { | |
c0efc387 | 532 | if (clock.m2 >= clock.m1) |
42158660 ZY |
533 | break; |
534 | for (clock.n = limit->n.min; | |
535 | clock.n <= limit->n.max; clock.n++) { | |
536 | for (clock.p1 = limit->p1.min; | |
537 | clock.p1 <= limit->p1.max; clock.p1++) { | |
79e53945 JB |
538 | int this_err; |
539 | ||
ac58c3f0 DV |
540 | i9xx_clock(refclk, &clock); |
541 | if (!intel_PLL_is_valid(dev, limit, | |
542 | &clock)) | |
543 | continue; | |
544 | if (match_clock && | |
545 | clock.p != match_clock->p) | |
546 | continue; | |
547 | ||
548 | this_err = abs(clock.dot - target); | |
549 | if (this_err < err) { | |
550 | *best_clock = clock; | |
551 | err = this_err; | |
552 | } | |
553 | } | |
554 | } | |
555 | } | |
556 | } | |
557 | ||
558 | return (err != target); | |
559 | } | |
560 | ||
561 | static bool | |
ee9300bb DV |
562 | pnv_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc, |
563 | int target, int refclk, intel_clock_t *match_clock, | |
564 | intel_clock_t *best_clock) | |
79e53945 JB |
565 | { |
566 | struct drm_device *dev = crtc->dev; | |
79e53945 | 567 | intel_clock_t clock; |
79e53945 JB |
568 | int err = target; |
569 | ||
a210b028 | 570 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { |
79e53945 | 571 | /* |
a210b028 DV |
572 | * For LVDS just rely on its current settings for dual-channel. |
573 | * We haven't figured out how to reliably set up different | |
574 | * single/dual channel state, if we even can. | |
79e53945 | 575 | */ |
1974cad0 | 576 | if (intel_is_dual_link_lvds(dev)) |
79e53945 JB |
577 | clock.p2 = limit->p2.p2_fast; |
578 | else | |
579 | clock.p2 = limit->p2.p2_slow; | |
580 | } else { | |
581 | if (target < limit->p2.dot_limit) | |
582 | clock.p2 = limit->p2.p2_slow; | |
583 | else | |
584 | clock.p2 = limit->p2.p2_fast; | |
585 | } | |
586 | ||
0206e353 | 587 | memset(best_clock, 0, sizeof(*best_clock)); |
79e53945 | 588 | |
42158660 ZY |
589 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
590 | clock.m1++) { | |
591 | for (clock.m2 = limit->m2.min; | |
592 | clock.m2 <= limit->m2.max; clock.m2++) { | |
42158660 ZY |
593 | for (clock.n = limit->n.min; |
594 | clock.n <= limit->n.max; clock.n++) { | |
595 | for (clock.p1 = limit->p1.min; | |
596 | clock.p1 <= limit->p1.max; clock.p1++) { | |
79e53945 JB |
597 | int this_err; |
598 | ||
ac58c3f0 | 599 | pineview_clock(refclk, &clock); |
1b894b59 CW |
600 | if (!intel_PLL_is_valid(dev, limit, |
601 | &clock)) | |
79e53945 | 602 | continue; |
cec2f356 SP |
603 | if (match_clock && |
604 | clock.p != match_clock->p) | |
605 | continue; | |
79e53945 JB |
606 | |
607 | this_err = abs(clock.dot - target); | |
608 | if (this_err < err) { | |
609 | *best_clock = clock; | |
610 | err = this_err; | |
611 | } | |
612 | } | |
613 | } | |
614 | } | |
615 | } | |
616 | ||
617 | return (err != target); | |
618 | } | |
619 | ||
d4906093 | 620 | static bool |
ee9300bb DV |
621 | g4x_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc, |
622 | int target, int refclk, intel_clock_t *match_clock, | |
623 | intel_clock_t *best_clock) | |
d4906093 ML |
624 | { |
625 | struct drm_device *dev = crtc->dev; | |
d4906093 ML |
626 | intel_clock_t clock; |
627 | int max_n; | |
628 | bool found; | |
6ba770dc AJ |
629 | /* approximately equals target * 0.00585 */ |
630 | int err_most = (target >> 8) + (target >> 9); | |
d4906093 ML |
631 | found = false; |
632 | ||
633 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { | |
1974cad0 | 634 | if (intel_is_dual_link_lvds(dev)) |
d4906093 ML |
635 | clock.p2 = limit->p2.p2_fast; |
636 | else | |
637 | clock.p2 = limit->p2.p2_slow; | |
638 | } else { | |
639 | if (target < limit->p2.dot_limit) | |
640 | clock.p2 = limit->p2.p2_slow; | |
641 | else | |
642 | clock.p2 = limit->p2.p2_fast; | |
643 | } | |
644 | ||
645 | memset(best_clock, 0, sizeof(*best_clock)); | |
646 | max_n = limit->n.max; | |
f77f13e2 | 647 | /* based on hardware requirement, prefer smaller n to precision */ |
d4906093 | 648 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
f77f13e2 | 649 | /* based on hardware requirement, prefere larger m1,m2 */ |
d4906093 ML |
650 | for (clock.m1 = limit->m1.max; |
651 | clock.m1 >= limit->m1.min; clock.m1--) { | |
652 | for (clock.m2 = limit->m2.max; | |
653 | clock.m2 >= limit->m2.min; clock.m2--) { | |
654 | for (clock.p1 = limit->p1.max; | |
655 | clock.p1 >= limit->p1.min; clock.p1--) { | |
656 | int this_err; | |
657 | ||
ac58c3f0 | 658 | i9xx_clock(refclk, &clock); |
1b894b59 CW |
659 | if (!intel_PLL_is_valid(dev, limit, |
660 | &clock)) | |
d4906093 | 661 | continue; |
1b894b59 CW |
662 | |
663 | this_err = abs(clock.dot - target); | |
d4906093 ML |
664 | if (this_err < err_most) { |
665 | *best_clock = clock; | |
666 | err_most = this_err; | |
667 | max_n = clock.n; | |
668 | found = true; | |
669 | } | |
670 | } | |
671 | } | |
672 | } | |
673 | } | |
2c07245f ZW |
674 | return found; |
675 | } | |
676 | ||
a0c4da24 | 677 | static bool |
ee9300bb DV |
678 | vlv_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc, |
679 | int target, int refclk, intel_clock_t *match_clock, | |
680 | intel_clock_t *best_clock) | |
a0c4da24 | 681 | { |
f01b7962 | 682 | struct drm_device *dev = crtc->dev; |
6b4bf1c4 | 683 | intel_clock_t clock; |
69e4f900 | 684 | unsigned int bestppm = 1000000; |
27e639bf VS |
685 | /* min update 19.2 MHz */ |
686 | int max_n = min(limit->n.max, refclk / 19200); | |
49e497ef | 687 | bool found = false; |
a0c4da24 | 688 | |
6b4bf1c4 VS |
689 | target *= 5; /* fast clock */ |
690 | ||
691 | memset(best_clock, 0, sizeof(*best_clock)); | |
a0c4da24 JB |
692 | |
693 | /* based on hardware requirement, prefer smaller n to precision */ | |
27e639bf | 694 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
811bbf05 | 695 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { |
889059d8 | 696 | for (clock.p2 = limit->p2.p2_fast; clock.p2 >= limit->p2.p2_slow; |
c1a9ae43 | 697 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { |
6b4bf1c4 | 698 | clock.p = clock.p1 * clock.p2; |
a0c4da24 | 699 | /* based on hardware requirement, prefer bigger m1,m2 values */ |
6b4bf1c4 | 700 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) { |
69e4f900 VS |
701 | unsigned int ppm, diff; |
702 | ||
6b4bf1c4 VS |
703 | clock.m2 = DIV_ROUND_CLOSEST(target * clock.p * clock.n, |
704 | refclk * clock.m1); | |
705 | ||
706 | vlv_clock(refclk, &clock); | |
43b0ac53 | 707 | |
f01b7962 VS |
708 | if (!intel_PLL_is_valid(dev, limit, |
709 | &clock)) | |
43b0ac53 VS |
710 | continue; |
711 | ||
6b4bf1c4 VS |
712 | diff = abs(clock.dot - target); |
713 | ppm = div_u64(1000000ULL * diff, target); | |
714 | ||
715 | if (ppm < 100 && clock.p > best_clock->p) { | |
43b0ac53 | 716 | bestppm = 0; |
6b4bf1c4 | 717 | *best_clock = clock; |
49e497ef | 718 | found = true; |
43b0ac53 | 719 | } |
6b4bf1c4 | 720 | |
c686122c | 721 | if (bestppm >= 10 && ppm < bestppm - 10) { |
69e4f900 | 722 | bestppm = ppm; |
6b4bf1c4 | 723 | *best_clock = clock; |
49e497ef | 724 | found = true; |
a0c4da24 JB |
725 | } |
726 | } | |
727 | } | |
728 | } | |
729 | } | |
a0c4da24 | 730 | |
49e497ef | 731 | return found; |
a0c4da24 | 732 | } |
a4fc5ed6 | 733 | |
20ddf665 VS |
734 | bool intel_crtc_active(struct drm_crtc *crtc) |
735 | { | |
736 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
737 | ||
738 | /* Be paranoid as we can arrive here with only partial | |
739 | * state retrieved from the hardware during setup. | |
740 | * | |
241bfc38 | 741 | * We can ditch the adjusted_mode.crtc_clock check as soon |
20ddf665 VS |
742 | * as Haswell has gained clock readout/fastboot support. |
743 | * | |
66e514c1 | 744 | * We can ditch the crtc->primary->fb check as soon as we can |
20ddf665 VS |
745 | * properly reconstruct framebuffers. |
746 | */ | |
f4510a27 | 747 | return intel_crtc->active && crtc->primary->fb && |
241bfc38 | 748 | intel_crtc->config.adjusted_mode.crtc_clock; |
20ddf665 VS |
749 | } |
750 | ||
a5c961d1 PZ |
751 | enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv, |
752 | enum pipe pipe) | |
753 | { | |
754 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
755 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
756 | ||
3b117c8f | 757 | return intel_crtc->config.cpu_transcoder; |
a5c961d1 PZ |
758 | } |
759 | ||
57e22f4a | 760 | static void g4x_wait_for_vblank(struct drm_device *dev, int pipe) |
a928d536 PZ |
761 | { |
762 | struct drm_i915_private *dev_priv = dev->dev_private; | |
57e22f4a | 763 | u32 frame, frame_reg = PIPE_FRMCOUNT_GM45(pipe); |
a928d536 PZ |
764 | |
765 | frame = I915_READ(frame_reg); | |
766 | ||
767 | if (wait_for(I915_READ_NOTRACE(frame_reg) != frame, 50)) | |
93937071 | 768 | WARN(1, "vblank wait timed out\n"); |
a928d536 PZ |
769 | } |
770 | ||
9d0498a2 JB |
771 | /** |
772 | * intel_wait_for_vblank - wait for vblank on a given pipe | |
773 | * @dev: drm device | |
774 | * @pipe: pipe to wait for | |
775 | * | |
776 | * Wait for vblank to occur on a given pipe. Needed for various bits of | |
777 | * mode setting code. | |
778 | */ | |
779 | void intel_wait_for_vblank(struct drm_device *dev, int pipe) | |
79e53945 | 780 | { |
9d0498a2 | 781 | struct drm_i915_private *dev_priv = dev->dev_private; |
9db4a9c7 | 782 | int pipestat_reg = PIPESTAT(pipe); |
9d0498a2 | 783 | |
57e22f4a VS |
784 | if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) { |
785 | g4x_wait_for_vblank(dev, pipe); | |
a928d536 PZ |
786 | return; |
787 | } | |
788 | ||
300387c0 CW |
789 | /* Clear existing vblank status. Note this will clear any other |
790 | * sticky status fields as well. | |
791 | * | |
792 | * This races with i915_driver_irq_handler() with the result | |
793 | * that either function could miss a vblank event. Here it is not | |
794 | * fatal, as we will either wait upon the next vblank interrupt or | |
795 | * timeout. Generally speaking intel_wait_for_vblank() is only | |
796 | * called during modeset at which time the GPU should be idle and | |
797 | * should *not* be performing page flips and thus not waiting on | |
798 | * vblanks... | |
799 | * Currently, the result of us stealing a vblank from the irq | |
800 | * handler is that a single frame will be skipped during swapbuffers. | |
801 | */ | |
802 | I915_WRITE(pipestat_reg, | |
803 | I915_READ(pipestat_reg) | PIPE_VBLANK_INTERRUPT_STATUS); | |
804 | ||
9d0498a2 | 805 | /* Wait for vblank interrupt bit to set */ |
481b6af3 CW |
806 | if (wait_for(I915_READ(pipestat_reg) & |
807 | PIPE_VBLANK_INTERRUPT_STATUS, | |
808 | 50)) | |
9d0498a2 JB |
809 | DRM_DEBUG_KMS("vblank wait timed out\n"); |
810 | } | |
811 | ||
fbf49ea2 VS |
812 | static bool pipe_dsl_stopped(struct drm_device *dev, enum pipe pipe) |
813 | { | |
814 | struct drm_i915_private *dev_priv = dev->dev_private; | |
815 | u32 reg = PIPEDSL(pipe); | |
816 | u32 line1, line2; | |
817 | u32 line_mask; | |
818 | ||
819 | if (IS_GEN2(dev)) | |
820 | line_mask = DSL_LINEMASK_GEN2; | |
821 | else | |
822 | line_mask = DSL_LINEMASK_GEN3; | |
823 | ||
824 | line1 = I915_READ(reg) & line_mask; | |
825 | mdelay(5); | |
826 | line2 = I915_READ(reg) & line_mask; | |
827 | ||
828 | return line1 == line2; | |
829 | } | |
830 | ||
ab7ad7f6 KP |
831 | /* |
832 | * intel_wait_for_pipe_off - wait for pipe to turn off | |
9d0498a2 JB |
833 | * @dev: drm device |
834 | * @pipe: pipe to wait for | |
835 | * | |
836 | * After disabling a pipe, we can't wait for vblank in the usual way, | |
837 | * spinning on the vblank interrupt status bit, since we won't actually | |
838 | * see an interrupt when the pipe is disabled. | |
839 | * | |
ab7ad7f6 KP |
840 | * On Gen4 and above: |
841 | * wait for the pipe register state bit to turn off | |
842 | * | |
843 | * Otherwise: | |
844 | * wait for the display line value to settle (it usually | |
845 | * ends up stopping at the start of the next frame). | |
58e10eb9 | 846 | * |
9d0498a2 | 847 | */ |
58e10eb9 | 848 | void intel_wait_for_pipe_off(struct drm_device *dev, int pipe) |
9d0498a2 JB |
849 | { |
850 | struct drm_i915_private *dev_priv = dev->dev_private; | |
702e7a56 PZ |
851 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
852 | pipe); | |
ab7ad7f6 KP |
853 | |
854 | if (INTEL_INFO(dev)->gen >= 4) { | |
702e7a56 | 855 | int reg = PIPECONF(cpu_transcoder); |
ab7ad7f6 KP |
856 | |
857 | /* Wait for the Pipe State to go off */ | |
58e10eb9 CW |
858 | if (wait_for((I915_READ(reg) & I965_PIPECONF_ACTIVE) == 0, |
859 | 100)) | |
284637d9 | 860 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 861 | } else { |
ab7ad7f6 | 862 | /* Wait for the display line to settle */ |
fbf49ea2 | 863 | if (wait_for(pipe_dsl_stopped(dev, pipe), 100)) |
284637d9 | 864 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 865 | } |
79e53945 JB |
866 | } |
867 | ||
b0ea7d37 DL |
868 | /* |
869 | * ibx_digital_port_connected - is the specified port connected? | |
870 | * @dev_priv: i915 private structure | |
871 | * @port: the port to test | |
872 | * | |
873 | * Returns true if @port is connected, false otherwise. | |
874 | */ | |
875 | bool ibx_digital_port_connected(struct drm_i915_private *dev_priv, | |
876 | struct intel_digital_port *port) | |
877 | { | |
878 | u32 bit; | |
879 | ||
c36346e3 DL |
880 | if (HAS_PCH_IBX(dev_priv->dev)) { |
881 | switch(port->port) { | |
882 | case PORT_B: | |
883 | bit = SDE_PORTB_HOTPLUG; | |
884 | break; | |
885 | case PORT_C: | |
886 | bit = SDE_PORTC_HOTPLUG; | |
887 | break; | |
888 | case PORT_D: | |
889 | bit = SDE_PORTD_HOTPLUG; | |
890 | break; | |
891 | default: | |
892 | return true; | |
893 | } | |
894 | } else { | |
895 | switch(port->port) { | |
896 | case PORT_B: | |
897 | bit = SDE_PORTB_HOTPLUG_CPT; | |
898 | break; | |
899 | case PORT_C: | |
900 | bit = SDE_PORTC_HOTPLUG_CPT; | |
901 | break; | |
902 | case PORT_D: | |
903 | bit = SDE_PORTD_HOTPLUG_CPT; | |
904 | break; | |
905 | default: | |
906 | return true; | |
907 | } | |
b0ea7d37 DL |
908 | } |
909 | ||
910 | return I915_READ(SDEISR) & bit; | |
911 | } | |
912 | ||
b24e7179 JB |
913 | static const char *state_string(bool enabled) |
914 | { | |
915 | return enabled ? "on" : "off"; | |
916 | } | |
917 | ||
918 | /* Only for pre-ILK configs */ | |
55607e8a DV |
919 | void assert_pll(struct drm_i915_private *dev_priv, |
920 | enum pipe pipe, bool state) | |
b24e7179 JB |
921 | { |
922 | int reg; | |
923 | u32 val; | |
924 | bool cur_state; | |
925 | ||
926 | reg = DPLL(pipe); | |
927 | val = I915_READ(reg); | |
928 | cur_state = !!(val & DPLL_VCO_ENABLE); | |
929 | WARN(cur_state != state, | |
930 | "PLL state assertion failure (expected %s, current %s)\n", | |
931 | state_string(state), state_string(cur_state)); | |
932 | } | |
b24e7179 | 933 | |
23538ef1 JN |
934 | /* XXX: the dsi pll is shared between MIPI DSI ports */ |
935 | static void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state) | |
936 | { | |
937 | u32 val; | |
938 | bool cur_state; | |
939 | ||
940 | mutex_lock(&dev_priv->dpio_lock); | |
941 | val = vlv_cck_read(dev_priv, CCK_REG_DSI_PLL_CONTROL); | |
942 | mutex_unlock(&dev_priv->dpio_lock); | |
943 | ||
944 | cur_state = val & DSI_PLL_VCO_EN; | |
945 | WARN(cur_state != state, | |
946 | "DSI PLL state assertion failure (expected %s, current %s)\n", | |
947 | state_string(state), state_string(cur_state)); | |
948 | } | |
949 | #define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true) | |
950 | #define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false) | |
951 | ||
55607e8a | 952 | struct intel_shared_dpll * |
e2b78267 DV |
953 | intel_crtc_to_shared_dpll(struct intel_crtc *crtc) |
954 | { | |
955 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; | |
956 | ||
a43f6e0f | 957 | if (crtc->config.shared_dpll < 0) |
e2b78267 DV |
958 | return NULL; |
959 | ||
a43f6e0f | 960 | return &dev_priv->shared_dplls[crtc->config.shared_dpll]; |
e2b78267 DV |
961 | } |
962 | ||
040484af | 963 | /* For ILK+ */ |
55607e8a DV |
964 | void assert_shared_dpll(struct drm_i915_private *dev_priv, |
965 | struct intel_shared_dpll *pll, | |
966 | bool state) | |
040484af | 967 | { |
040484af | 968 | bool cur_state; |
5358901f | 969 | struct intel_dpll_hw_state hw_state; |
040484af | 970 | |
9d82aa17 ED |
971 | if (HAS_PCH_LPT(dev_priv->dev)) { |
972 | DRM_DEBUG_DRIVER("LPT detected: skipping PCH PLL test\n"); | |
973 | return; | |
974 | } | |
975 | ||
92b27b08 | 976 | if (WARN (!pll, |
46edb027 | 977 | "asserting DPLL %s with no DPLL\n", state_string(state))) |
ee7b9f93 | 978 | return; |
ee7b9f93 | 979 | |
5358901f | 980 | cur_state = pll->get_hw_state(dev_priv, pll, &hw_state); |
92b27b08 | 981 | WARN(cur_state != state, |
5358901f DV |
982 | "%s assertion failure (expected %s, current %s)\n", |
983 | pll->name, state_string(state), state_string(cur_state)); | |
040484af | 984 | } |
040484af JB |
985 | |
986 | static void assert_fdi_tx(struct drm_i915_private *dev_priv, | |
987 | enum pipe pipe, bool state) | |
988 | { | |
989 | int reg; | |
990 | u32 val; | |
991 | bool cur_state; | |
ad80a810 PZ |
992 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
993 | pipe); | |
040484af | 994 | |
affa9354 PZ |
995 | if (HAS_DDI(dev_priv->dev)) { |
996 | /* DDI does not have a specific FDI_TX register */ | |
ad80a810 | 997 | reg = TRANS_DDI_FUNC_CTL(cpu_transcoder); |
bf507ef7 | 998 | val = I915_READ(reg); |
ad80a810 | 999 | cur_state = !!(val & TRANS_DDI_FUNC_ENABLE); |
bf507ef7 ED |
1000 | } else { |
1001 | reg = FDI_TX_CTL(pipe); | |
1002 | val = I915_READ(reg); | |
1003 | cur_state = !!(val & FDI_TX_ENABLE); | |
1004 | } | |
040484af JB |
1005 | WARN(cur_state != state, |
1006 | "FDI TX state assertion failure (expected %s, current %s)\n", | |
1007 | state_string(state), state_string(cur_state)); | |
1008 | } | |
1009 | #define assert_fdi_tx_enabled(d, p) assert_fdi_tx(d, p, true) | |
1010 | #define assert_fdi_tx_disabled(d, p) assert_fdi_tx(d, p, false) | |
1011 | ||
1012 | static void assert_fdi_rx(struct drm_i915_private *dev_priv, | |
1013 | enum pipe pipe, bool state) | |
1014 | { | |
1015 | int reg; | |
1016 | u32 val; | |
1017 | bool cur_state; | |
1018 | ||
d63fa0dc PZ |
1019 | reg = FDI_RX_CTL(pipe); |
1020 | val = I915_READ(reg); | |
1021 | cur_state = !!(val & FDI_RX_ENABLE); | |
040484af JB |
1022 | WARN(cur_state != state, |
1023 | "FDI RX state assertion failure (expected %s, current %s)\n", | |
1024 | state_string(state), state_string(cur_state)); | |
1025 | } | |
1026 | #define assert_fdi_rx_enabled(d, p) assert_fdi_rx(d, p, true) | |
1027 | #define assert_fdi_rx_disabled(d, p) assert_fdi_rx(d, p, false) | |
1028 | ||
1029 | static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv, | |
1030 | enum pipe pipe) | |
1031 | { | |
1032 | int reg; | |
1033 | u32 val; | |
1034 | ||
1035 | /* ILK FDI PLL is always enabled */ | |
3d13ef2e | 1036 | if (INTEL_INFO(dev_priv->dev)->gen == 5) |
040484af JB |
1037 | return; |
1038 | ||
bf507ef7 | 1039 | /* On Haswell, DDI ports are responsible for the FDI PLL setup */ |
affa9354 | 1040 | if (HAS_DDI(dev_priv->dev)) |
bf507ef7 ED |
1041 | return; |
1042 | ||
040484af JB |
1043 | reg = FDI_TX_CTL(pipe); |
1044 | val = I915_READ(reg); | |
1045 | WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n"); | |
1046 | } | |
1047 | ||
55607e8a DV |
1048 | void assert_fdi_rx_pll(struct drm_i915_private *dev_priv, |
1049 | enum pipe pipe, bool state) | |
040484af JB |
1050 | { |
1051 | int reg; | |
1052 | u32 val; | |
55607e8a | 1053 | bool cur_state; |
040484af JB |
1054 | |
1055 | reg = FDI_RX_CTL(pipe); | |
1056 | val = I915_READ(reg); | |
55607e8a DV |
1057 | cur_state = !!(val & FDI_RX_PLL_ENABLE); |
1058 | WARN(cur_state != state, | |
1059 | "FDI RX PLL assertion failure (expected %s, current %s)\n", | |
1060 | state_string(state), state_string(cur_state)); | |
040484af JB |
1061 | } |
1062 | ||
ea0760cf JB |
1063 | static void assert_panel_unlocked(struct drm_i915_private *dev_priv, |
1064 | enum pipe pipe) | |
1065 | { | |
1066 | int pp_reg, lvds_reg; | |
1067 | u32 val; | |
1068 | enum pipe panel_pipe = PIPE_A; | |
0de3b485 | 1069 | bool locked = true; |
ea0760cf JB |
1070 | |
1071 | if (HAS_PCH_SPLIT(dev_priv->dev)) { | |
1072 | pp_reg = PCH_PP_CONTROL; | |
1073 | lvds_reg = PCH_LVDS; | |
1074 | } else { | |
1075 | pp_reg = PP_CONTROL; | |
1076 | lvds_reg = LVDS; | |
1077 | } | |
1078 | ||
1079 | val = I915_READ(pp_reg); | |
1080 | if (!(val & PANEL_POWER_ON) || | |
1081 | ((val & PANEL_UNLOCK_REGS) == PANEL_UNLOCK_REGS)) | |
1082 | locked = false; | |
1083 | ||
1084 | if (I915_READ(lvds_reg) & LVDS_PIPEB_SELECT) | |
1085 | panel_pipe = PIPE_B; | |
1086 | ||
1087 | WARN(panel_pipe == pipe && locked, | |
1088 | "panel assertion failure, pipe %c regs locked\n", | |
9db4a9c7 | 1089 | pipe_name(pipe)); |
ea0760cf JB |
1090 | } |
1091 | ||
93ce0ba6 JN |
1092 | static void assert_cursor(struct drm_i915_private *dev_priv, |
1093 | enum pipe pipe, bool state) | |
1094 | { | |
1095 | struct drm_device *dev = dev_priv->dev; | |
1096 | bool cur_state; | |
1097 | ||
d9d82081 | 1098 | if (IS_845G(dev) || IS_I865G(dev)) |
93ce0ba6 | 1099 | cur_state = I915_READ(_CURACNTR) & CURSOR_ENABLE; |
d9d82081 | 1100 | else if (INTEL_INFO(dev)->gen <= 6 || IS_VALLEYVIEW(dev)) |
93ce0ba6 | 1101 | cur_state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; |
d9d82081 PZ |
1102 | else |
1103 | cur_state = I915_READ(CURCNTR_IVB(pipe)) & CURSOR_MODE; | |
93ce0ba6 JN |
1104 | |
1105 | WARN(cur_state != state, | |
1106 | "cursor on pipe %c assertion failure (expected %s, current %s)\n", | |
1107 | pipe_name(pipe), state_string(state), state_string(cur_state)); | |
1108 | } | |
1109 | #define assert_cursor_enabled(d, p) assert_cursor(d, p, true) | |
1110 | #define assert_cursor_disabled(d, p) assert_cursor(d, p, false) | |
1111 | ||
b840d907 JB |
1112 | void assert_pipe(struct drm_i915_private *dev_priv, |
1113 | enum pipe pipe, bool state) | |
b24e7179 JB |
1114 | { |
1115 | int reg; | |
1116 | u32 val; | |
63d7bbe9 | 1117 | bool cur_state; |
702e7a56 PZ |
1118 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1119 | pipe); | |
b24e7179 | 1120 | |
8e636784 DV |
1121 | /* if we need the pipe A quirk it must be always on */ |
1122 | if (pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) | |
1123 | state = true; | |
1124 | ||
da7e29bd | 1125 | if (!intel_display_power_enabled(dev_priv, |
b97186f0 | 1126 | POWER_DOMAIN_TRANSCODER(cpu_transcoder))) { |
69310161 PZ |
1127 | cur_state = false; |
1128 | } else { | |
1129 | reg = PIPECONF(cpu_transcoder); | |
1130 | val = I915_READ(reg); | |
1131 | cur_state = !!(val & PIPECONF_ENABLE); | |
1132 | } | |
1133 | ||
63d7bbe9 JB |
1134 | WARN(cur_state != state, |
1135 | "pipe %c assertion failure (expected %s, current %s)\n", | |
9db4a9c7 | 1136 | pipe_name(pipe), state_string(state), state_string(cur_state)); |
b24e7179 JB |
1137 | } |
1138 | ||
931872fc CW |
1139 | static void assert_plane(struct drm_i915_private *dev_priv, |
1140 | enum plane plane, bool state) | |
b24e7179 JB |
1141 | { |
1142 | int reg; | |
1143 | u32 val; | |
931872fc | 1144 | bool cur_state; |
b24e7179 JB |
1145 | |
1146 | reg = DSPCNTR(plane); | |
1147 | val = I915_READ(reg); | |
931872fc CW |
1148 | cur_state = !!(val & DISPLAY_PLANE_ENABLE); |
1149 | WARN(cur_state != state, | |
1150 | "plane %c assertion failure (expected %s, current %s)\n", | |
1151 | plane_name(plane), state_string(state), state_string(cur_state)); | |
b24e7179 JB |
1152 | } |
1153 | ||
931872fc CW |
1154 | #define assert_plane_enabled(d, p) assert_plane(d, p, true) |
1155 | #define assert_plane_disabled(d, p) assert_plane(d, p, false) | |
1156 | ||
b24e7179 JB |
1157 | static void assert_planes_disabled(struct drm_i915_private *dev_priv, |
1158 | enum pipe pipe) | |
1159 | { | |
653e1026 | 1160 | struct drm_device *dev = dev_priv->dev; |
b24e7179 JB |
1161 | int reg, i; |
1162 | u32 val; | |
1163 | int cur_pipe; | |
1164 | ||
653e1026 VS |
1165 | /* Primary planes are fixed to pipes on gen4+ */ |
1166 | if (INTEL_INFO(dev)->gen >= 4) { | |
28c05794 AJ |
1167 | reg = DSPCNTR(pipe); |
1168 | val = I915_READ(reg); | |
83f26f16 | 1169 | WARN(val & DISPLAY_PLANE_ENABLE, |
28c05794 AJ |
1170 | "plane %c assertion failure, should be disabled but not\n", |
1171 | plane_name(pipe)); | |
19ec1358 | 1172 | return; |
28c05794 | 1173 | } |
19ec1358 | 1174 | |
b24e7179 | 1175 | /* Need to check both planes against the pipe */ |
08e2a7de | 1176 | for_each_pipe(i) { |
b24e7179 JB |
1177 | reg = DSPCNTR(i); |
1178 | val = I915_READ(reg); | |
1179 | cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >> | |
1180 | DISPPLANE_SEL_PIPE_SHIFT; | |
1181 | WARN((val & DISPLAY_PLANE_ENABLE) && pipe == cur_pipe, | |
9db4a9c7 JB |
1182 | "plane %c assertion failure, should be off on pipe %c but is still active\n", |
1183 | plane_name(i), pipe_name(pipe)); | |
b24e7179 JB |
1184 | } |
1185 | } | |
1186 | ||
19332d7a JB |
1187 | static void assert_sprites_disabled(struct drm_i915_private *dev_priv, |
1188 | enum pipe pipe) | |
1189 | { | |
20674eef | 1190 | struct drm_device *dev = dev_priv->dev; |
1fe47785 | 1191 | int reg, sprite; |
19332d7a JB |
1192 | u32 val; |
1193 | ||
20674eef | 1194 | if (IS_VALLEYVIEW(dev)) { |
1fe47785 DL |
1195 | for_each_sprite(pipe, sprite) { |
1196 | reg = SPCNTR(pipe, sprite); | |
20674eef | 1197 | val = I915_READ(reg); |
83f26f16 | 1198 | WARN(val & SP_ENABLE, |
20674eef | 1199 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
1fe47785 | 1200 | sprite_name(pipe, sprite), pipe_name(pipe)); |
20674eef VS |
1201 | } |
1202 | } else if (INTEL_INFO(dev)->gen >= 7) { | |
1203 | reg = SPRCTL(pipe); | |
19332d7a | 1204 | val = I915_READ(reg); |
83f26f16 | 1205 | WARN(val & SPRITE_ENABLE, |
06da8da2 | 1206 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
20674eef VS |
1207 | plane_name(pipe), pipe_name(pipe)); |
1208 | } else if (INTEL_INFO(dev)->gen >= 5) { | |
1209 | reg = DVSCNTR(pipe); | |
19332d7a | 1210 | val = I915_READ(reg); |
83f26f16 | 1211 | WARN(val & DVS_ENABLE, |
06da8da2 | 1212 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
20674eef | 1213 | plane_name(pipe), pipe_name(pipe)); |
19332d7a JB |
1214 | } |
1215 | } | |
1216 | ||
89eff4be | 1217 | static void ibx_assert_pch_refclk_enabled(struct drm_i915_private *dev_priv) |
92f2584a JB |
1218 | { |
1219 | u32 val; | |
1220 | bool enabled; | |
1221 | ||
89eff4be | 1222 | WARN_ON(!(HAS_PCH_IBX(dev_priv->dev) || HAS_PCH_CPT(dev_priv->dev))); |
9d82aa17 | 1223 | |
92f2584a JB |
1224 | val = I915_READ(PCH_DREF_CONTROL); |
1225 | enabled = !!(val & (DREF_SSC_SOURCE_MASK | DREF_NONSPREAD_SOURCE_MASK | | |
1226 | DREF_SUPERSPREAD_SOURCE_MASK)); | |
1227 | WARN(!enabled, "PCH refclk assertion failure, should be active but is disabled\n"); | |
1228 | } | |
1229 | ||
ab9412ba DV |
1230 | static void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv, |
1231 | enum pipe pipe) | |
92f2584a JB |
1232 | { |
1233 | int reg; | |
1234 | u32 val; | |
1235 | bool enabled; | |
1236 | ||
ab9412ba | 1237 | reg = PCH_TRANSCONF(pipe); |
92f2584a JB |
1238 | val = I915_READ(reg); |
1239 | enabled = !!(val & TRANS_ENABLE); | |
9db4a9c7 JB |
1240 | WARN(enabled, |
1241 | "transcoder assertion failed, should be off on pipe %c but is still active\n", | |
1242 | pipe_name(pipe)); | |
92f2584a JB |
1243 | } |
1244 | ||
4e634389 KP |
1245 | static bool dp_pipe_enabled(struct drm_i915_private *dev_priv, |
1246 | enum pipe pipe, u32 port_sel, u32 val) | |
f0575e92 KP |
1247 | { |
1248 | if ((val & DP_PORT_EN) == 0) | |
1249 | return false; | |
1250 | ||
1251 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1252 | u32 trans_dp_ctl_reg = TRANS_DP_CTL(pipe); | |
1253 | u32 trans_dp_ctl = I915_READ(trans_dp_ctl_reg); | |
1254 | if ((trans_dp_ctl & TRANS_DP_PORT_SEL_MASK) != port_sel) | |
1255 | return false; | |
1256 | } else { | |
1257 | if ((val & DP_PIPE_MASK) != (pipe << 30)) | |
1258 | return false; | |
1259 | } | |
1260 | return true; | |
1261 | } | |
1262 | ||
1519b995 KP |
1263 | static bool hdmi_pipe_enabled(struct drm_i915_private *dev_priv, |
1264 | enum pipe pipe, u32 val) | |
1265 | { | |
dc0fa718 | 1266 | if ((val & SDVO_ENABLE) == 0) |
1519b995 KP |
1267 | return false; |
1268 | ||
1269 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
dc0fa718 | 1270 | if ((val & SDVO_PIPE_SEL_MASK_CPT) != SDVO_PIPE_SEL_CPT(pipe)) |
1519b995 KP |
1271 | return false; |
1272 | } else { | |
dc0fa718 | 1273 | if ((val & SDVO_PIPE_SEL_MASK) != SDVO_PIPE_SEL(pipe)) |
1519b995 KP |
1274 | return false; |
1275 | } | |
1276 | return true; | |
1277 | } | |
1278 | ||
1279 | static bool lvds_pipe_enabled(struct drm_i915_private *dev_priv, | |
1280 | enum pipe pipe, u32 val) | |
1281 | { | |
1282 | if ((val & LVDS_PORT_EN) == 0) | |
1283 | return false; | |
1284 | ||
1285 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1286 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) | |
1287 | return false; | |
1288 | } else { | |
1289 | if ((val & LVDS_PIPE_MASK) != LVDS_PIPE(pipe)) | |
1290 | return false; | |
1291 | } | |
1292 | return true; | |
1293 | } | |
1294 | ||
1295 | static bool adpa_pipe_enabled(struct drm_i915_private *dev_priv, | |
1296 | enum pipe pipe, u32 val) | |
1297 | { | |
1298 | if ((val & ADPA_DAC_ENABLE) == 0) | |
1299 | return false; | |
1300 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1301 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) | |
1302 | return false; | |
1303 | } else { | |
1304 | if ((val & ADPA_PIPE_SELECT_MASK) != ADPA_PIPE_SELECT(pipe)) | |
1305 | return false; | |
1306 | } | |
1307 | return true; | |
1308 | } | |
1309 | ||
291906f1 | 1310 | static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv, |
f0575e92 | 1311 | enum pipe pipe, int reg, u32 port_sel) |
291906f1 | 1312 | { |
47a05eca | 1313 | u32 val = I915_READ(reg); |
4e634389 | 1314 | WARN(dp_pipe_enabled(dev_priv, pipe, port_sel, val), |
291906f1 | 1315 | "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1316 | reg, pipe_name(pipe)); |
de9a35ab | 1317 | |
75c5da27 DV |
1318 | WARN(HAS_PCH_IBX(dev_priv->dev) && (val & DP_PORT_EN) == 0 |
1319 | && (val & DP_PIPEB_SELECT), | |
de9a35ab | 1320 | "IBX PCH dp port still using transcoder B\n"); |
291906f1 JB |
1321 | } |
1322 | ||
1323 | static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv, | |
1324 | enum pipe pipe, int reg) | |
1325 | { | |
47a05eca | 1326 | u32 val = I915_READ(reg); |
b70ad586 | 1327 | WARN(hdmi_pipe_enabled(dev_priv, pipe, val), |
23c99e77 | 1328 | "PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1329 | reg, pipe_name(pipe)); |
de9a35ab | 1330 | |
dc0fa718 | 1331 | WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_ENABLE) == 0 |
75c5da27 | 1332 | && (val & SDVO_PIPE_B_SELECT), |
de9a35ab | 1333 | "IBX PCH hdmi port still using transcoder B\n"); |
291906f1 JB |
1334 | } |
1335 | ||
1336 | static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv, | |
1337 | enum pipe pipe) | |
1338 | { | |
1339 | int reg; | |
1340 | u32 val; | |
291906f1 | 1341 | |
f0575e92 KP |
1342 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_B, TRANS_DP_PORT_SEL_B); |
1343 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_C, TRANS_DP_PORT_SEL_C); | |
1344 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_D, TRANS_DP_PORT_SEL_D); | |
291906f1 JB |
1345 | |
1346 | reg = PCH_ADPA; | |
1347 | val = I915_READ(reg); | |
b70ad586 | 1348 | WARN(adpa_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1349 | "PCH VGA enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1350 | pipe_name(pipe)); |
291906f1 JB |
1351 | |
1352 | reg = PCH_LVDS; | |
1353 | val = I915_READ(reg); | |
b70ad586 | 1354 | WARN(lvds_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1355 | "PCH LVDS enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1356 | pipe_name(pipe)); |
291906f1 | 1357 | |
e2debe91 PZ |
1358 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIB); |
1359 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIC); | |
1360 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMID); | |
291906f1 JB |
1361 | } |
1362 | ||
40e9cf64 JB |
1363 | static void intel_init_dpio(struct drm_device *dev) |
1364 | { | |
1365 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1366 | ||
1367 | if (!IS_VALLEYVIEW(dev)) | |
1368 | return; | |
1369 | ||
e4607fcf | 1370 | DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO; |
5382f5f3 JB |
1371 | } |
1372 | ||
1373 | static void intel_reset_dpio(struct drm_device *dev) | |
1374 | { | |
1375 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1376 | ||
1377 | if (!IS_VALLEYVIEW(dev)) | |
1378 | return; | |
1379 | ||
e5cbfbfb ID |
1380 | /* |
1381 | * Enable the CRI clock source so we can get at the display and the | |
1382 | * reference clock for VGA hotplug / manual detection. | |
1383 | */ | |
404faabc | 1384 | I915_WRITE(DPLL(PIPE_B), I915_READ(DPLL(PIPE_B)) | |
e5cbfbfb | 1385 | DPLL_REFA_CLK_ENABLE_VLV | |
404faabc ID |
1386 | DPLL_INTEGRATED_CRI_CLK_VLV); |
1387 | ||
40e9cf64 JB |
1388 | /* |
1389 | * From VLV2A0_DP_eDP_DPIO_driver_vbios_notes_10.docx - | |
1390 | * 6. De-assert cmn_reset/side_reset. Same as VLV X0. | |
1391 | * a. GUnit 0x2110 bit[0] set to 1 (def 0) | |
1392 | * b. The other bits such as sfr settings / modesel may all be set | |
1393 | * to 0. | |
1394 | * | |
1395 | * This should only be done on init and resume from S3 with both | |
1396 | * PLLs disabled, or we risk losing DPIO and PLL synchronization. | |
1397 | */ | |
1398 | I915_WRITE(DPIO_CTL, I915_READ(DPIO_CTL) | DPIO_CMNRST); | |
1399 | } | |
1400 | ||
426115cf | 1401 | static void vlv_enable_pll(struct intel_crtc *crtc) |
87442f73 | 1402 | { |
426115cf DV |
1403 | struct drm_device *dev = crtc->base.dev; |
1404 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1405 | int reg = DPLL(crtc->pipe); | |
1406 | u32 dpll = crtc->config.dpll_hw_state.dpll; | |
87442f73 | 1407 | |
426115cf | 1408 | assert_pipe_disabled(dev_priv, crtc->pipe); |
87442f73 DV |
1409 | |
1410 | /* No really, not for ILK+ */ | |
1411 | BUG_ON(!IS_VALLEYVIEW(dev_priv->dev)); | |
1412 | ||
1413 | /* PLL is protected by panel, make sure we can write it */ | |
1414 | if (IS_MOBILE(dev_priv->dev) && !IS_I830(dev_priv->dev)) | |
426115cf | 1415 | assert_panel_unlocked(dev_priv, crtc->pipe); |
87442f73 | 1416 | |
426115cf DV |
1417 | I915_WRITE(reg, dpll); |
1418 | POSTING_READ(reg); | |
1419 | udelay(150); | |
1420 | ||
1421 | if (wait_for(((I915_READ(reg) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) | |
1422 | DRM_ERROR("DPLL %d failed to lock\n", crtc->pipe); | |
1423 | ||
1424 | I915_WRITE(DPLL_MD(crtc->pipe), crtc->config.dpll_hw_state.dpll_md); | |
1425 | POSTING_READ(DPLL_MD(crtc->pipe)); | |
87442f73 DV |
1426 | |
1427 | /* We do this three times for luck */ | |
426115cf | 1428 | I915_WRITE(reg, dpll); |
87442f73 DV |
1429 | POSTING_READ(reg); |
1430 | udelay(150); /* wait for warmup */ | |
426115cf | 1431 | I915_WRITE(reg, dpll); |
87442f73 DV |
1432 | POSTING_READ(reg); |
1433 | udelay(150); /* wait for warmup */ | |
426115cf | 1434 | I915_WRITE(reg, dpll); |
87442f73 DV |
1435 | POSTING_READ(reg); |
1436 | udelay(150); /* wait for warmup */ | |
1437 | } | |
1438 | ||
66e3d5c0 | 1439 | static void i9xx_enable_pll(struct intel_crtc *crtc) |
63d7bbe9 | 1440 | { |
66e3d5c0 DV |
1441 | struct drm_device *dev = crtc->base.dev; |
1442 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1443 | int reg = DPLL(crtc->pipe); | |
1444 | u32 dpll = crtc->config.dpll_hw_state.dpll; | |
63d7bbe9 | 1445 | |
66e3d5c0 | 1446 | assert_pipe_disabled(dev_priv, crtc->pipe); |
58c6eaa2 | 1447 | |
63d7bbe9 | 1448 | /* No really, not for ILK+ */ |
3d13ef2e | 1449 | BUG_ON(INTEL_INFO(dev)->gen >= 5); |
63d7bbe9 JB |
1450 | |
1451 | /* PLL is protected by panel, make sure we can write it */ | |
66e3d5c0 DV |
1452 | if (IS_MOBILE(dev) && !IS_I830(dev)) |
1453 | assert_panel_unlocked(dev_priv, crtc->pipe); | |
63d7bbe9 | 1454 | |
66e3d5c0 DV |
1455 | I915_WRITE(reg, dpll); |
1456 | ||
1457 | /* Wait for the clocks to stabilize. */ | |
1458 | POSTING_READ(reg); | |
1459 | udelay(150); | |
1460 | ||
1461 | if (INTEL_INFO(dev)->gen >= 4) { | |
1462 | I915_WRITE(DPLL_MD(crtc->pipe), | |
1463 | crtc->config.dpll_hw_state.dpll_md); | |
1464 | } else { | |
1465 | /* The pixel multiplier can only be updated once the | |
1466 | * DPLL is enabled and the clocks are stable. | |
1467 | * | |
1468 | * So write it again. | |
1469 | */ | |
1470 | I915_WRITE(reg, dpll); | |
1471 | } | |
63d7bbe9 JB |
1472 | |
1473 | /* We do this three times for luck */ | |
66e3d5c0 | 1474 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1475 | POSTING_READ(reg); |
1476 | udelay(150); /* wait for warmup */ | |
66e3d5c0 | 1477 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1478 | POSTING_READ(reg); |
1479 | udelay(150); /* wait for warmup */ | |
66e3d5c0 | 1480 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1481 | POSTING_READ(reg); |
1482 | udelay(150); /* wait for warmup */ | |
1483 | } | |
1484 | ||
1485 | /** | |
50b44a44 | 1486 | * i9xx_disable_pll - disable a PLL |
63d7bbe9 JB |
1487 | * @dev_priv: i915 private structure |
1488 | * @pipe: pipe PLL to disable | |
1489 | * | |
1490 | * Disable the PLL for @pipe, making sure the pipe is off first. | |
1491 | * | |
1492 | * Note! This is for pre-ILK only. | |
1493 | */ | |
50b44a44 | 1494 | static void i9xx_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) |
63d7bbe9 | 1495 | { |
63d7bbe9 JB |
1496 | /* Don't disable pipe A or pipe A PLLs if needed */ |
1497 | if (pipe == PIPE_A && (dev_priv->quirks & QUIRK_PIPEA_FORCE)) | |
1498 | return; | |
1499 | ||
1500 | /* Make sure the pipe isn't still relying on us */ | |
1501 | assert_pipe_disabled(dev_priv, pipe); | |
1502 | ||
50b44a44 DV |
1503 | I915_WRITE(DPLL(pipe), 0); |
1504 | POSTING_READ(DPLL(pipe)); | |
63d7bbe9 JB |
1505 | } |
1506 | ||
f6071166 JB |
1507 | static void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) |
1508 | { | |
1509 | u32 val = 0; | |
1510 | ||
1511 | /* Make sure the pipe isn't still relying on us */ | |
1512 | assert_pipe_disabled(dev_priv, pipe); | |
1513 | ||
e5cbfbfb ID |
1514 | /* |
1515 | * Leave integrated clock source and reference clock enabled for pipe B. | |
1516 | * The latter is needed for VGA hotplug / manual detection. | |
1517 | */ | |
f6071166 | 1518 | if (pipe == PIPE_B) |
e5cbfbfb | 1519 | val = DPLL_INTEGRATED_CRI_CLK_VLV | DPLL_REFA_CLK_ENABLE_VLV; |
f6071166 JB |
1520 | I915_WRITE(DPLL(pipe), val); |
1521 | POSTING_READ(DPLL(pipe)); | |
1522 | } | |
1523 | ||
e4607fcf CML |
1524 | void vlv_wait_port_ready(struct drm_i915_private *dev_priv, |
1525 | struct intel_digital_port *dport) | |
89b667f8 JB |
1526 | { |
1527 | u32 port_mask; | |
1528 | ||
e4607fcf CML |
1529 | switch (dport->port) { |
1530 | case PORT_B: | |
89b667f8 | 1531 | port_mask = DPLL_PORTB_READY_MASK; |
e4607fcf CML |
1532 | break; |
1533 | case PORT_C: | |
89b667f8 | 1534 | port_mask = DPLL_PORTC_READY_MASK; |
e4607fcf CML |
1535 | break; |
1536 | default: | |
1537 | BUG(); | |
1538 | } | |
89b667f8 JB |
1539 | |
1540 | if (wait_for((I915_READ(DPLL(0)) & port_mask) == 0, 1000)) | |
1541 | WARN(1, "timed out waiting for port %c ready: 0x%08x\n", | |
be46ffd4 | 1542 | port_name(dport->port), I915_READ(DPLL(0))); |
89b667f8 JB |
1543 | } |
1544 | ||
92f2584a | 1545 | /** |
e72f9fbf | 1546 | * ironlake_enable_shared_dpll - enable PCH PLL |
92f2584a JB |
1547 | * @dev_priv: i915 private structure |
1548 | * @pipe: pipe PLL to enable | |
1549 | * | |
1550 | * The PCH PLL needs to be enabled before the PCH transcoder, since it | |
1551 | * drives the transcoder clock. | |
1552 | */ | |
e2b78267 | 1553 | static void ironlake_enable_shared_dpll(struct intel_crtc *crtc) |
92f2584a | 1554 | { |
3d13ef2e DL |
1555 | struct drm_device *dev = crtc->base.dev; |
1556 | struct drm_i915_private *dev_priv = dev->dev_private; | |
e2b78267 | 1557 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
92f2584a | 1558 | |
48da64a8 | 1559 | /* PCH PLLs only available on ILK, SNB and IVB */ |
3d13ef2e | 1560 | BUG_ON(INTEL_INFO(dev)->gen < 5); |
87a875bb | 1561 | if (WARN_ON(pll == NULL)) |
48da64a8 CW |
1562 | return; |
1563 | ||
1564 | if (WARN_ON(pll->refcount == 0)) | |
1565 | return; | |
ee7b9f93 | 1566 | |
46edb027 DV |
1567 | DRM_DEBUG_KMS("enable %s (active %d, on? %d)for crtc %d\n", |
1568 | pll->name, pll->active, pll->on, | |
e2b78267 | 1569 | crtc->base.base.id); |
92f2584a | 1570 | |
cdbd2316 DV |
1571 | if (pll->active++) { |
1572 | WARN_ON(!pll->on); | |
e9d6944e | 1573 | assert_shared_dpll_enabled(dev_priv, pll); |
ee7b9f93 JB |
1574 | return; |
1575 | } | |
f4a091c7 | 1576 | WARN_ON(pll->on); |
ee7b9f93 | 1577 | |
46edb027 | 1578 | DRM_DEBUG_KMS("enabling %s\n", pll->name); |
e7b903d2 | 1579 | pll->enable(dev_priv, pll); |
ee7b9f93 | 1580 | pll->on = true; |
92f2584a JB |
1581 | } |
1582 | ||
e2b78267 | 1583 | static void intel_disable_shared_dpll(struct intel_crtc *crtc) |
92f2584a | 1584 | { |
3d13ef2e DL |
1585 | struct drm_device *dev = crtc->base.dev; |
1586 | struct drm_i915_private *dev_priv = dev->dev_private; | |
e2b78267 | 1587 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
4c609cb8 | 1588 | |
92f2584a | 1589 | /* PCH only available on ILK+ */ |
3d13ef2e | 1590 | BUG_ON(INTEL_INFO(dev)->gen < 5); |
87a875bb | 1591 | if (WARN_ON(pll == NULL)) |
ee7b9f93 | 1592 | return; |
92f2584a | 1593 | |
48da64a8 CW |
1594 | if (WARN_ON(pll->refcount == 0)) |
1595 | return; | |
7a419866 | 1596 | |
46edb027 DV |
1597 | DRM_DEBUG_KMS("disable %s (active %d, on? %d) for crtc %d\n", |
1598 | pll->name, pll->active, pll->on, | |
e2b78267 | 1599 | crtc->base.base.id); |
7a419866 | 1600 | |
48da64a8 | 1601 | if (WARN_ON(pll->active == 0)) { |
e9d6944e | 1602 | assert_shared_dpll_disabled(dev_priv, pll); |
48da64a8 CW |
1603 | return; |
1604 | } | |
1605 | ||
e9d6944e | 1606 | assert_shared_dpll_enabled(dev_priv, pll); |
f4a091c7 | 1607 | WARN_ON(!pll->on); |
cdbd2316 | 1608 | if (--pll->active) |
7a419866 | 1609 | return; |
ee7b9f93 | 1610 | |
46edb027 | 1611 | DRM_DEBUG_KMS("disabling %s\n", pll->name); |
e7b903d2 | 1612 | pll->disable(dev_priv, pll); |
ee7b9f93 | 1613 | pll->on = false; |
92f2584a JB |
1614 | } |
1615 | ||
b8a4f404 PZ |
1616 | static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
1617 | enum pipe pipe) | |
040484af | 1618 | { |
23670b32 | 1619 | struct drm_device *dev = dev_priv->dev; |
7c26e5c6 | 1620 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
e2b78267 | 1621 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
23670b32 | 1622 | uint32_t reg, val, pipeconf_val; |
040484af JB |
1623 | |
1624 | /* PCH only available on ILK+ */ | |
3d13ef2e | 1625 | BUG_ON(INTEL_INFO(dev)->gen < 5); |
040484af JB |
1626 | |
1627 | /* Make sure PCH DPLL is enabled */ | |
e72f9fbf | 1628 | assert_shared_dpll_enabled(dev_priv, |
e9d6944e | 1629 | intel_crtc_to_shared_dpll(intel_crtc)); |
040484af JB |
1630 | |
1631 | /* FDI must be feeding us bits for PCH ports */ | |
1632 | assert_fdi_tx_enabled(dev_priv, pipe); | |
1633 | assert_fdi_rx_enabled(dev_priv, pipe); | |
1634 | ||
23670b32 DV |
1635 | if (HAS_PCH_CPT(dev)) { |
1636 | /* Workaround: Set the timing override bit before enabling the | |
1637 | * pch transcoder. */ | |
1638 | reg = TRANS_CHICKEN2(pipe); | |
1639 | val = I915_READ(reg); | |
1640 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; | |
1641 | I915_WRITE(reg, val); | |
59c859d6 | 1642 | } |
23670b32 | 1643 | |
ab9412ba | 1644 | reg = PCH_TRANSCONF(pipe); |
040484af | 1645 | val = I915_READ(reg); |
5f7f726d | 1646 | pipeconf_val = I915_READ(PIPECONF(pipe)); |
e9bcff5c JB |
1647 | |
1648 | if (HAS_PCH_IBX(dev_priv->dev)) { | |
1649 | /* | |
1650 | * make the BPC in transcoder be consistent with | |
1651 | * that in pipeconf reg. | |
1652 | */ | |
dfd07d72 DV |
1653 | val &= ~PIPECONF_BPC_MASK; |
1654 | val |= pipeconf_val & PIPECONF_BPC_MASK; | |
e9bcff5c | 1655 | } |
5f7f726d PZ |
1656 | |
1657 | val &= ~TRANS_INTERLACE_MASK; | |
1658 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK) == PIPECONF_INTERLACED_ILK) | |
7c26e5c6 PZ |
1659 | if (HAS_PCH_IBX(dev_priv->dev) && |
1660 | intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO)) | |
1661 | val |= TRANS_LEGACY_INTERLACED_ILK; | |
1662 | else | |
1663 | val |= TRANS_INTERLACED; | |
5f7f726d PZ |
1664 | else |
1665 | val |= TRANS_PROGRESSIVE; | |
1666 | ||
040484af JB |
1667 | I915_WRITE(reg, val | TRANS_ENABLE); |
1668 | if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100)) | |
4bb6f1f3 | 1669 | DRM_ERROR("failed to enable transcoder %c\n", pipe_name(pipe)); |
040484af JB |
1670 | } |
1671 | ||
8fb033d7 | 1672 | static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
937bb610 | 1673 | enum transcoder cpu_transcoder) |
040484af | 1674 | { |
8fb033d7 | 1675 | u32 val, pipeconf_val; |
8fb033d7 PZ |
1676 | |
1677 | /* PCH only available on ILK+ */ | |
3d13ef2e | 1678 | BUG_ON(INTEL_INFO(dev_priv->dev)->gen < 5); |
8fb033d7 | 1679 | |
8fb033d7 | 1680 | /* FDI must be feeding us bits for PCH ports */ |
1a240d4d | 1681 | assert_fdi_tx_enabled(dev_priv, (enum pipe) cpu_transcoder); |
937bb610 | 1682 | assert_fdi_rx_enabled(dev_priv, TRANSCODER_A); |
8fb033d7 | 1683 | |
223a6fdf PZ |
1684 | /* Workaround: set timing override bit. */ |
1685 | val = I915_READ(_TRANSA_CHICKEN2); | |
23670b32 | 1686 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; |
223a6fdf PZ |
1687 | I915_WRITE(_TRANSA_CHICKEN2, val); |
1688 | ||
25f3ef11 | 1689 | val = TRANS_ENABLE; |
937bb610 | 1690 | pipeconf_val = I915_READ(PIPECONF(cpu_transcoder)); |
8fb033d7 | 1691 | |
9a76b1c6 PZ |
1692 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK_HSW) == |
1693 | PIPECONF_INTERLACED_ILK) | |
a35f2679 | 1694 | val |= TRANS_INTERLACED; |
8fb033d7 PZ |
1695 | else |
1696 | val |= TRANS_PROGRESSIVE; | |
1697 | ||
ab9412ba DV |
1698 | I915_WRITE(LPT_TRANSCONF, val); |
1699 | if (wait_for(I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE, 100)) | |
937bb610 | 1700 | DRM_ERROR("Failed to enable PCH transcoder\n"); |
8fb033d7 PZ |
1701 | } |
1702 | ||
b8a4f404 PZ |
1703 | static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv, |
1704 | enum pipe pipe) | |
040484af | 1705 | { |
23670b32 DV |
1706 | struct drm_device *dev = dev_priv->dev; |
1707 | uint32_t reg, val; | |
040484af JB |
1708 | |
1709 | /* FDI relies on the transcoder */ | |
1710 | assert_fdi_tx_disabled(dev_priv, pipe); | |
1711 | assert_fdi_rx_disabled(dev_priv, pipe); | |
1712 | ||
291906f1 JB |
1713 | /* Ports must be off as well */ |
1714 | assert_pch_ports_disabled(dev_priv, pipe); | |
1715 | ||
ab9412ba | 1716 | reg = PCH_TRANSCONF(pipe); |
040484af JB |
1717 | val = I915_READ(reg); |
1718 | val &= ~TRANS_ENABLE; | |
1719 | I915_WRITE(reg, val); | |
1720 | /* wait for PCH transcoder off, transcoder state */ | |
1721 | if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50)) | |
4bb6f1f3 | 1722 | DRM_ERROR("failed to disable transcoder %c\n", pipe_name(pipe)); |
23670b32 DV |
1723 | |
1724 | if (!HAS_PCH_IBX(dev)) { | |
1725 | /* Workaround: Clear the timing override chicken bit again. */ | |
1726 | reg = TRANS_CHICKEN2(pipe); | |
1727 | val = I915_READ(reg); | |
1728 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; | |
1729 | I915_WRITE(reg, val); | |
1730 | } | |
040484af JB |
1731 | } |
1732 | ||
ab4d966c | 1733 | static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv) |
8fb033d7 | 1734 | { |
8fb033d7 PZ |
1735 | u32 val; |
1736 | ||
ab9412ba | 1737 | val = I915_READ(LPT_TRANSCONF); |
8fb033d7 | 1738 | val &= ~TRANS_ENABLE; |
ab9412ba | 1739 | I915_WRITE(LPT_TRANSCONF, val); |
8fb033d7 | 1740 | /* wait for PCH transcoder off, transcoder state */ |
ab9412ba | 1741 | if (wait_for((I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE) == 0, 50)) |
8a52fd9f | 1742 | DRM_ERROR("Failed to disable PCH transcoder\n"); |
223a6fdf PZ |
1743 | |
1744 | /* Workaround: clear timing override bit. */ | |
1745 | val = I915_READ(_TRANSA_CHICKEN2); | |
23670b32 | 1746 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; |
223a6fdf | 1747 | I915_WRITE(_TRANSA_CHICKEN2, val); |
040484af JB |
1748 | } |
1749 | ||
b24e7179 | 1750 | /** |
309cfea8 | 1751 | * intel_enable_pipe - enable a pipe, asserting requirements |
0372264a | 1752 | * @crtc: crtc responsible for the pipe |
b24e7179 | 1753 | * |
0372264a | 1754 | * Enable @crtc's pipe, making sure that various hardware specific requirements |
b24e7179 | 1755 | * are met, if applicable, e.g. PLL enabled, LVDS pairs enabled, etc. |
b24e7179 | 1756 | */ |
e1fdc473 | 1757 | static void intel_enable_pipe(struct intel_crtc *crtc) |
b24e7179 | 1758 | { |
0372264a PZ |
1759 | struct drm_device *dev = crtc->base.dev; |
1760 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1761 | enum pipe pipe = crtc->pipe; | |
702e7a56 PZ |
1762 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1763 | pipe); | |
1a240d4d | 1764 | enum pipe pch_transcoder; |
b24e7179 JB |
1765 | int reg; |
1766 | u32 val; | |
1767 | ||
58c6eaa2 | 1768 | assert_planes_disabled(dev_priv, pipe); |
93ce0ba6 | 1769 | assert_cursor_disabled(dev_priv, pipe); |
58c6eaa2 DV |
1770 | assert_sprites_disabled(dev_priv, pipe); |
1771 | ||
681e5811 | 1772 | if (HAS_PCH_LPT(dev_priv->dev)) |
cc391bbb PZ |
1773 | pch_transcoder = TRANSCODER_A; |
1774 | else | |
1775 | pch_transcoder = pipe; | |
1776 | ||
b24e7179 JB |
1777 | /* |
1778 | * A pipe without a PLL won't actually be able to drive bits from | |
1779 | * a plane. On ILK+ the pipe PLLs are integrated, so we don't | |
1780 | * need the check. | |
1781 | */ | |
1782 | if (!HAS_PCH_SPLIT(dev_priv->dev)) | |
fbf3218a | 1783 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DSI)) |
23538ef1 JN |
1784 | assert_dsi_pll_enabled(dev_priv); |
1785 | else | |
1786 | assert_pll_enabled(dev_priv, pipe); | |
040484af | 1787 | else { |
30421c4f | 1788 | if (crtc->config.has_pch_encoder) { |
040484af | 1789 | /* if driving the PCH, we need FDI enabled */ |
cc391bbb | 1790 | assert_fdi_rx_pll_enabled(dev_priv, pch_transcoder); |
1a240d4d DV |
1791 | assert_fdi_tx_pll_enabled(dev_priv, |
1792 | (enum pipe) cpu_transcoder); | |
040484af JB |
1793 | } |
1794 | /* FIXME: assert CPU port conditions for SNB+ */ | |
1795 | } | |
b24e7179 | 1796 | |
702e7a56 | 1797 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 1798 | val = I915_READ(reg); |
7ad25d48 PZ |
1799 | if (val & PIPECONF_ENABLE) { |
1800 | WARN_ON(!(pipe == PIPE_A && | |
1801 | dev_priv->quirks & QUIRK_PIPEA_FORCE)); | |
00d70b15 | 1802 | return; |
7ad25d48 | 1803 | } |
00d70b15 CW |
1804 | |
1805 | I915_WRITE(reg, val | PIPECONF_ENABLE); | |
851855d8 | 1806 | POSTING_READ(reg); |
e1fdc473 PZ |
1807 | |
1808 | /* | |
1809 | * There's no guarantee the pipe will really start running now. It | |
1810 | * depends on the Gen, the output type and the relative order between | |
1811 | * pipe and plane enabling. Avoid waiting on HSW+ since it's not | |
1812 | * necessary. | |
1813 | * TODO: audit the previous gens. | |
1814 | */ | |
1815 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) | |
851855d8 | 1816 | intel_wait_for_vblank(dev_priv->dev, pipe); |
b24e7179 JB |
1817 | } |
1818 | ||
1819 | /** | |
309cfea8 | 1820 | * intel_disable_pipe - disable a pipe, asserting requirements |
b24e7179 JB |
1821 | * @dev_priv: i915 private structure |
1822 | * @pipe: pipe to disable | |
1823 | * | |
1824 | * Disable @pipe, making sure that various hardware specific requirements | |
1825 | * are met, if applicable, e.g. plane disabled, panel fitter off, etc. | |
1826 | * | |
1827 | * @pipe should be %PIPE_A or %PIPE_B. | |
1828 | * | |
1829 | * Will wait until the pipe has shut down before returning. | |
1830 | */ | |
1831 | static void intel_disable_pipe(struct drm_i915_private *dev_priv, | |
1832 | enum pipe pipe) | |
1833 | { | |
702e7a56 PZ |
1834 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1835 | pipe); | |
b24e7179 JB |
1836 | int reg; |
1837 | u32 val; | |
1838 | ||
1839 | /* | |
1840 | * Make sure planes won't keep trying to pump pixels to us, | |
1841 | * or we might hang the display. | |
1842 | */ | |
1843 | assert_planes_disabled(dev_priv, pipe); | |
93ce0ba6 | 1844 | assert_cursor_disabled(dev_priv, pipe); |
19332d7a | 1845 | assert_sprites_disabled(dev_priv, pipe); |
b24e7179 JB |
1846 | |
1847 | /* Don't disable pipe A or pipe A PLLs if needed */ | |
1848 | if (pipe == PIPE_A && (dev_priv->quirks & QUIRK_PIPEA_FORCE)) | |
1849 | return; | |
1850 | ||
702e7a56 | 1851 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 1852 | val = I915_READ(reg); |
00d70b15 CW |
1853 | if ((val & PIPECONF_ENABLE) == 0) |
1854 | return; | |
1855 | ||
1856 | I915_WRITE(reg, val & ~PIPECONF_ENABLE); | |
b24e7179 JB |
1857 | intel_wait_for_pipe_off(dev_priv->dev, pipe); |
1858 | } | |
1859 | ||
d74362c9 KP |
1860 | /* |
1861 | * Plane regs are double buffered, going from enabled->disabled needs a | |
1862 | * trigger in order to latch. The display address reg provides this. | |
1863 | */ | |
1dba99f4 VS |
1864 | void intel_flush_primary_plane(struct drm_i915_private *dev_priv, |
1865 | enum plane plane) | |
d74362c9 | 1866 | { |
3d13ef2e DL |
1867 | struct drm_device *dev = dev_priv->dev; |
1868 | u32 reg = INTEL_INFO(dev)->gen >= 4 ? DSPSURF(plane) : DSPADDR(plane); | |
1dba99f4 VS |
1869 | |
1870 | I915_WRITE(reg, I915_READ(reg)); | |
1871 | POSTING_READ(reg); | |
d74362c9 KP |
1872 | } |
1873 | ||
b24e7179 | 1874 | /** |
262ca2b0 | 1875 | * intel_enable_primary_hw_plane - enable the primary plane on a given pipe |
b24e7179 JB |
1876 | * @dev_priv: i915 private structure |
1877 | * @plane: plane to enable | |
1878 | * @pipe: pipe being fed | |
1879 | * | |
1880 | * Enable @plane on @pipe, making sure that @pipe is running first. | |
1881 | */ | |
262ca2b0 MR |
1882 | static void intel_enable_primary_hw_plane(struct drm_i915_private *dev_priv, |
1883 | enum plane plane, enum pipe pipe) | |
b24e7179 | 1884 | { |
939c2fe8 VS |
1885 | struct intel_crtc *intel_crtc = |
1886 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); | |
b24e7179 JB |
1887 | int reg; |
1888 | u32 val; | |
1889 | ||
1890 | /* If the pipe isn't enabled, we can't pump pixels and may hang */ | |
1891 | assert_pipe_enabled(dev_priv, pipe); | |
1892 | ||
4c445e0e | 1893 | WARN(intel_crtc->primary_enabled, "Primary plane already enabled\n"); |
0037f71c | 1894 | |
4c445e0e | 1895 | intel_crtc->primary_enabled = true; |
939c2fe8 | 1896 | |
b24e7179 JB |
1897 | reg = DSPCNTR(plane); |
1898 | val = I915_READ(reg); | |
00d70b15 CW |
1899 | if (val & DISPLAY_PLANE_ENABLE) |
1900 | return; | |
1901 | ||
1902 | I915_WRITE(reg, val | DISPLAY_PLANE_ENABLE); | |
1dba99f4 | 1903 | intel_flush_primary_plane(dev_priv, plane); |
b24e7179 JB |
1904 | intel_wait_for_vblank(dev_priv->dev, pipe); |
1905 | } | |
1906 | ||
b24e7179 | 1907 | /** |
262ca2b0 | 1908 | * intel_disable_primary_hw_plane - disable the primary hardware plane |
b24e7179 JB |
1909 | * @dev_priv: i915 private structure |
1910 | * @plane: plane to disable | |
1911 | * @pipe: pipe consuming the data | |
1912 | * | |
1913 | * Disable @plane; should be an independent operation. | |
1914 | */ | |
262ca2b0 MR |
1915 | static void intel_disable_primary_hw_plane(struct drm_i915_private *dev_priv, |
1916 | enum plane plane, enum pipe pipe) | |
b24e7179 | 1917 | { |
939c2fe8 VS |
1918 | struct intel_crtc *intel_crtc = |
1919 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); | |
b24e7179 JB |
1920 | int reg; |
1921 | u32 val; | |
1922 | ||
4c445e0e | 1923 | WARN(!intel_crtc->primary_enabled, "Primary plane already disabled\n"); |
0037f71c | 1924 | |
4c445e0e | 1925 | intel_crtc->primary_enabled = false; |
939c2fe8 | 1926 | |
b24e7179 JB |
1927 | reg = DSPCNTR(plane); |
1928 | val = I915_READ(reg); | |
00d70b15 CW |
1929 | if ((val & DISPLAY_PLANE_ENABLE) == 0) |
1930 | return; | |
1931 | ||
1932 | I915_WRITE(reg, val & ~DISPLAY_PLANE_ENABLE); | |
1dba99f4 | 1933 | intel_flush_primary_plane(dev_priv, plane); |
b24e7179 JB |
1934 | intel_wait_for_vblank(dev_priv->dev, pipe); |
1935 | } | |
1936 | ||
693db184 CW |
1937 | static bool need_vtd_wa(struct drm_device *dev) |
1938 | { | |
1939 | #ifdef CONFIG_INTEL_IOMMU | |
1940 | if (INTEL_INFO(dev)->gen >= 6 && intel_iommu_gfx_mapped) | |
1941 | return true; | |
1942 | #endif | |
1943 | return false; | |
1944 | } | |
1945 | ||
a57ce0b2 JB |
1946 | static int intel_align_height(struct drm_device *dev, int height, bool tiled) |
1947 | { | |
1948 | int tile_height; | |
1949 | ||
1950 | tile_height = tiled ? (IS_GEN2(dev) ? 16 : 8) : 1; | |
1951 | return ALIGN(height, tile_height); | |
1952 | } | |
1953 | ||
127bd2ac | 1954 | int |
48b956c5 | 1955 | intel_pin_and_fence_fb_obj(struct drm_device *dev, |
05394f39 | 1956 | struct drm_i915_gem_object *obj, |
919926ae | 1957 | struct intel_ring_buffer *pipelined) |
6b95a207 | 1958 | { |
ce453d81 | 1959 | struct drm_i915_private *dev_priv = dev->dev_private; |
6b95a207 KH |
1960 | u32 alignment; |
1961 | int ret; | |
1962 | ||
05394f39 | 1963 | switch (obj->tiling_mode) { |
6b95a207 | 1964 | case I915_TILING_NONE: |
534843da CW |
1965 | if (IS_BROADWATER(dev) || IS_CRESTLINE(dev)) |
1966 | alignment = 128 * 1024; | |
a6c45cf0 | 1967 | else if (INTEL_INFO(dev)->gen >= 4) |
534843da CW |
1968 | alignment = 4 * 1024; |
1969 | else | |
1970 | alignment = 64 * 1024; | |
6b95a207 KH |
1971 | break; |
1972 | case I915_TILING_X: | |
1973 | /* pin() will align the object as required by fence */ | |
1974 | alignment = 0; | |
1975 | break; | |
1976 | case I915_TILING_Y: | |
80075d49 | 1977 | WARN(1, "Y tiled bo slipped through, driver bug!\n"); |
6b95a207 KH |
1978 | return -EINVAL; |
1979 | default: | |
1980 | BUG(); | |
1981 | } | |
1982 | ||
693db184 CW |
1983 | /* Note that the w/a also requires 64 PTE of padding following the |
1984 | * bo. We currently fill all unused PTE with the shadow page and so | |
1985 | * we should always have valid PTE following the scanout preventing | |
1986 | * the VT-d warning. | |
1987 | */ | |
1988 | if (need_vtd_wa(dev) && alignment < 256 * 1024) | |
1989 | alignment = 256 * 1024; | |
1990 | ||
ce453d81 | 1991 | dev_priv->mm.interruptible = false; |
2da3b9b9 | 1992 | ret = i915_gem_object_pin_to_display_plane(obj, alignment, pipelined); |
48b956c5 | 1993 | if (ret) |
ce453d81 | 1994 | goto err_interruptible; |
6b95a207 KH |
1995 | |
1996 | /* Install a fence for tiled scan-out. Pre-i965 always needs a | |
1997 | * fence, whereas 965+ only requires a fence if using | |
1998 | * framebuffer compression. For simplicity, we always install | |
1999 | * a fence as the cost is not that onerous. | |
2000 | */ | |
06d98131 | 2001 | ret = i915_gem_object_get_fence(obj); |
9a5a53b3 CW |
2002 | if (ret) |
2003 | goto err_unpin; | |
1690e1eb | 2004 | |
9a5a53b3 | 2005 | i915_gem_object_pin_fence(obj); |
6b95a207 | 2006 | |
ce453d81 | 2007 | dev_priv->mm.interruptible = true; |
6b95a207 | 2008 | return 0; |
48b956c5 CW |
2009 | |
2010 | err_unpin: | |
cc98b413 | 2011 | i915_gem_object_unpin_from_display_plane(obj); |
ce453d81 CW |
2012 | err_interruptible: |
2013 | dev_priv->mm.interruptible = true; | |
48b956c5 | 2014 | return ret; |
6b95a207 KH |
2015 | } |
2016 | ||
1690e1eb CW |
2017 | void intel_unpin_fb_obj(struct drm_i915_gem_object *obj) |
2018 | { | |
2019 | i915_gem_object_unpin_fence(obj); | |
cc98b413 | 2020 | i915_gem_object_unpin_from_display_plane(obj); |
1690e1eb CW |
2021 | } |
2022 | ||
c2c75131 DV |
2023 | /* Computes the linear offset to the base tile and adjusts x, y. bytes per pixel |
2024 | * is assumed to be a power-of-two. */ | |
bc752862 CW |
2025 | unsigned long intel_gen4_compute_page_offset(int *x, int *y, |
2026 | unsigned int tiling_mode, | |
2027 | unsigned int cpp, | |
2028 | unsigned int pitch) | |
c2c75131 | 2029 | { |
bc752862 CW |
2030 | if (tiling_mode != I915_TILING_NONE) { |
2031 | unsigned int tile_rows, tiles; | |
c2c75131 | 2032 | |
bc752862 CW |
2033 | tile_rows = *y / 8; |
2034 | *y %= 8; | |
c2c75131 | 2035 | |
bc752862 CW |
2036 | tiles = *x / (512/cpp); |
2037 | *x %= 512/cpp; | |
2038 | ||
2039 | return tile_rows * pitch * 8 + tiles * 4096; | |
2040 | } else { | |
2041 | unsigned int offset; | |
2042 | ||
2043 | offset = *y * pitch + *x * cpp; | |
2044 | *y = 0; | |
2045 | *x = (offset & 4095) / cpp; | |
2046 | return offset & -4096; | |
2047 | } | |
c2c75131 DV |
2048 | } |
2049 | ||
46f297fb JB |
2050 | int intel_format_to_fourcc(int format) |
2051 | { | |
2052 | switch (format) { | |
2053 | case DISPPLANE_8BPP: | |
2054 | return DRM_FORMAT_C8; | |
2055 | case DISPPLANE_BGRX555: | |
2056 | return DRM_FORMAT_XRGB1555; | |
2057 | case DISPPLANE_BGRX565: | |
2058 | return DRM_FORMAT_RGB565; | |
2059 | default: | |
2060 | case DISPPLANE_BGRX888: | |
2061 | return DRM_FORMAT_XRGB8888; | |
2062 | case DISPPLANE_RGBX888: | |
2063 | return DRM_FORMAT_XBGR8888; | |
2064 | case DISPPLANE_BGRX101010: | |
2065 | return DRM_FORMAT_XRGB2101010; | |
2066 | case DISPPLANE_RGBX101010: | |
2067 | return DRM_FORMAT_XBGR2101010; | |
2068 | } | |
2069 | } | |
2070 | ||
484b41dd | 2071 | static bool intel_alloc_plane_obj(struct intel_crtc *crtc, |
46f297fb JB |
2072 | struct intel_plane_config *plane_config) |
2073 | { | |
2074 | struct drm_device *dev = crtc->base.dev; | |
2075 | struct drm_i915_gem_object *obj = NULL; | |
2076 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; | |
2077 | u32 base = plane_config->base; | |
2078 | ||
ff2652ea CW |
2079 | if (plane_config->size == 0) |
2080 | return false; | |
2081 | ||
46f297fb JB |
2082 | obj = i915_gem_object_create_stolen_for_preallocated(dev, base, base, |
2083 | plane_config->size); | |
2084 | if (!obj) | |
484b41dd | 2085 | return false; |
46f297fb JB |
2086 | |
2087 | if (plane_config->tiled) { | |
2088 | obj->tiling_mode = I915_TILING_X; | |
66e514c1 | 2089 | obj->stride = crtc->base.primary->fb->pitches[0]; |
46f297fb JB |
2090 | } |
2091 | ||
66e514c1 DA |
2092 | mode_cmd.pixel_format = crtc->base.primary->fb->pixel_format; |
2093 | mode_cmd.width = crtc->base.primary->fb->width; | |
2094 | mode_cmd.height = crtc->base.primary->fb->height; | |
2095 | mode_cmd.pitches[0] = crtc->base.primary->fb->pitches[0]; | |
46f297fb JB |
2096 | |
2097 | mutex_lock(&dev->struct_mutex); | |
2098 | ||
66e514c1 | 2099 | if (intel_framebuffer_init(dev, to_intel_framebuffer(crtc->base.primary->fb), |
484b41dd | 2100 | &mode_cmd, obj)) { |
46f297fb JB |
2101 | DRM_DEBUG_KMS("intel fb init failed\n"); |
2102 | goto out_unref_obj; | |
2103 | } | |
2104 | ||
2105 | mutex_unlock(&dev->struct_mutex); | |
484b41dd JB |
2106 | |
2107 | DRM_DEBUG_KMS("plane fb obj %p\n", obj); | |
2108 | return true; | |
46f297fb JB |
2109 | |
2110 | out_unref_obj: | |
2111 | drm_gem_object_unreference(&obj->base); | |
2112 | mutex_unlock(&dev->struct_mutex); | |
484b41dd JB |
2113 | return false; |
2114 | } | |
2115 | ||
2116 | static void intel_find_plane_obj(struct intel_crtc *intel_crtc, | |
2117 | struct intel_plane_config *plane_config) | |
2118 | { | |
2119 | struct drm_device *dev = intel_crtc->base.dev; | |
2120 | struct drm_crtc *c; | |
2121 | struct intel_crtc *i; | |
2122 | struct intel_framebuffer *fb; | |
2123 | ||
66e514c1 | 2124 | if (!intel_crtc->base.primary->fb) |
484b41dd JB |
2125 | return; |
2126 | ||
2127 | if (intel_alloc_plane_obj(intel_crtc, plane_config)) | |
2128 | return; | |
2129 | ||
66e514c1 DA |
2130 | kfree(intel_crtc->base.primary->fb); |
2131 | intel_crtc->base.primary->fb = NULL; | |
484b41dd JB |
2132 | |
2133 | /* | |
2134 | * Failed to alloc the obj, check to see if we should share | |
2135 | * an fb with another CRTC instead | |
2136 | */ | |
2137 | list_for_each_entry(c, &dev->mode_config.crtc_list, head) { | |
2138 | i = to_intel_crtc(c); | |
2139 | ||
2140 | if (c == &intel_crtc->base) | |
2141 | continue; | |
2142 | ||
66e514c1 | 2143 | if (!i->active || !c->primary->fb) |
484b41dd JB |
2144 | continue; |
2145 | ||
66e514c1 | 2146 | fb = to_intel_framebuffer(c->primary->fb); |
484b41dd | 2147 | if (i915_gem_obj_ggtt_offset(fb->obj) == plane_config->base) { |
66e514c1 DA |
2148 | drm_framebuffer_reference(c->primary->fb); |
2149 | intel_crtc->base.primary->fb = c->primary->fb; | |
484b41dd JB |
2150 | break; |
2151 | } | |
2152 | } | |
46f297fb JB |
2153 | } |
2154 | ||
262ca2b0 MR |
2155 | static int i9xx_update_primary_plane(struct drm_crtc *crtc, |
2156 | struct drm_framebuffer *fb, | |
2157 | int x, int y) | |
81255565 JB |
2158 | { |
2159 | struct drm_device *dev = crtc->dev; | |
2160 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2161 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2162 | struct intel_framebuffer *intel_fb; | |
05394f39 | 2163 | struct drm_i915_gem_object *obj; |
81255565 | 2164 | int plane = intel_crtc->plane; |
e506a0c6 | 2165 | unsigned long linear_offset; |
81255565 | 2166 | u32 dspcntr; |
5eddb70b | 2167 | u32 reg; |
81255565 | 2168 | |
81255565 JB |
2169 | intel_fb = to_intel_framebuffer(fb); |
2170 | obj = intel_fb->obj; | |
81255565 | 2171 | |
5eddb70b CW |
2172 | reg = DSPCNTR(plane); |
2173 | dspcntr = I915_READ(reg); | |
81255565 JB |
2174 | /* Mask out pixel format bits in case we change it */ |
2175 | dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; | |
57779d06 VS |
2176 | switch (fb->pixel_format) { |
2177 | case DRM_FORMAT_C8: | |
81255565 JB |
2178 | dspcntr |= DISPPLANE_8BPP; |
2179 | break; | |
57779d06 VS |
2180 | case DRM_FORMAT_XRGB1555: |
2181 | case DRM_FORMAT_ARGB1555: | |
2182 | dspcntr |= DISPPLANE_BGRX555; | |
81255565 | 2183 | break; |
57779d06 VS |
2184 | case DRM_FORMAT_RGB565: |
2185 | dspcntr |= DISPPLANE_BGRX565; | |
2186 | break; | |
2187 | case DRM_FORMAT_XRGB8888: | |
2188 | case DRM_FORMAT_ARGB8888: | |
2189 | dspcntr |= DISPPLANE_BGRX888; | |
2190 | break; | |
2191 | case DRM_FORMAT_XBGR8888: | |
2192 | case DRM_FORMAT_ABGR8888: | |
2193 | dspcntr |= DISPPLANE_RGBX888; | |
2194 | break; | |
2195 | case DRM_FORMAT_XRGB2101010: | |
2196 | case DRM_FORMAT_ARGB2101010: | |
2197 | dspcntr |= DISPPLANE_BGRX101010; | |
2198 | break; | |
2199 | case DRM_FORMAT_XBGR2101010: | |
2200 | case DRM_FORMAT_ABGR2101010: | |
2201 | dspcntr |= DISPPLANE_RGBX101010; | |
81255565 JB |
2202 | break; |
2203 | default: | |
baba133a | 2204 | BUG(); |
81255565 | 2205 | } |
57779d06 | 2206 | |
a6c45cf0 | 2207 | if (INTEL_INFO(dev)->gen >= 4) { |
05394f39 | 2208 | if (obj->tiling_mode != I915_TILING_NONE) |
81255565 JB |
2209 | dspcntr |= DISPPLANE_TILED; |
2210 | else | |
2211 | dspcntr &= ~DISPPLANE_TILED; | |
2212 | } | |
2213 | ||
de1aa629 VS |
2214 | if (IS_G4X(dev)) |
2215 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; | |
2216 | ||
5eddb70b | 2217 | I915_WRITE(reg, dspcntr); |
81255565 | 2218 | |
e506a0c6 | 2219 | linear_offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8); |
81255565 | 2220 | |
c2c75131 DV |
2221 | if (INTEL_INFO(dev)->gen >= 4) { |
2222 | intel_crtc->dspaddr_offset = | |
bc752862 CW |
2223 | intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode, |
2224 | fb->bits_per_pixel / 8, | |
2225 | fb->pitches[0]); | |
c2c75131 DV |
2226 | linear_offset -= intel_crtc->dspaddr_offset; |
2227 | } else { | |
e506a0c6 | 2228 | intel_crtc->dspaddr_offset = linear_offset; |
c2c75131 | 2229 | } |
e506a0c6 | 2230 | |
f343c5f6 BW |
2231 | DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n", |
2232 | i915_gem_obj_ggtt_offset(obj), linear_offset, x, y, | |
2233 | fb->pitches[0]); | |
01f2c773 | 2234 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
a6c45cf0 | 2235 | if (INTEL_INFO(dev)->gen >= 4) { |
85ba7b7d DV |
2236 | I915_WRITE(DSPSURF(plane), |
2237 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); | |
5eddb70b | 2238 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); |
e506a0c6 | 2239 | I915_WRITE(DSPLINOFF(plane), linear_offset); |
5eddb70b | 2240 | } else |
f343c5f6 | 2241 | I915_WRITE(DSPADDR(plane), i915_gem_obj_ggtt_offset(obj) + linear_offset); |
5eddb70b | 2242 | POSTING_READ(reg); |
81255565 | 2243 | |
17638cd6 JB |
2244 | return 0; |
2245 | } | |
2246 | ||
262ca2b0 MR |
2247 | static int ironlake_update_primary_plane(struct drm_crtc *crtc, |
2248 | struct drm_framebuffer *fb, | |
2249 | int x, int y) | |
17638cd6 JB |
2250 | { |
2251 | struct drm_device *dev = crtc->dev; | |
2252 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2253 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2254 | struct intel_framebuffer *intel_fb; | |
2255 | struct drm_i915_gem_object *obj; | |
2256 | int plane = intel_crtc->plane; | |
e506a0c6 | 2257 | unsigned long linear_offset; |
17638cd6 JB |
2258 | u32 dspcntr; |
2259 | u32 reg; | |
2260 | ||
17638cd6 JB |
2261 | intel_fb = to_intel_framebuffer(fb); |
2262 | obj = intel_fb->obj; | |
2263 | ||
2264 | reg = DSPCNTR(plane); | |
2265 | dspcntr = I915_READ(reg); | |
2266 | /* Mask out pixel format bits in case we change it */ | |
2267 | dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; | |
57779d06 VS |
2268 | switch (fb->pixel_format) { |
2269 | case DRM_FORMAT_C8: | |
17638cd6 JB |
2270 | dspcntr |= DISPPLANE_8BPP; |
2271 | break; | |
57779d06 VS |
2272 | case DRM_FORMAT_RGB565: |
2273 | dspcntr |= DISPPLANE_BGRX565; | |
17638cd6 | 2274 | break; |
57779d06 VS |
2275 | case DRM_FORMAT_XRGB8888: |
2276 | case DRM_FORMAT_ARGB8888: | |
2277 | dspcntr |= DISPPLANE_BGRX888; | |
2278 | break; | |
2279 | case DRM_FORMAT_XBGR8888: | |
2280 | case DRM_FORMAT_ABGR8888: | |
2281 | dspcntr |= DISPPLANE_RGBX888; | |
2282 | break; | |
2283 | case DRM_FORMAT_XRGB2101010: | |
2284 | case DRM_FORMAT_ARGB2101010: | |
2285 | dspcntr |= DISPPLANE_BGRX101010; | |
2286 | break; | |
2287 | case DRM_FORMAT_XBGR2101010: | |
2288 | case DRM_FORMAT_ABGR2101010: | |
2289 | dspcntr |= DISPPLANE_RGBX101010; | |
17638cd6 JB |
2290 | break; |
2291 | default: | |
baba133a | 2292 | BUG(); |
17638cd6 JB |
2293 | } |
2294 | ||
2295 | if (obj->tiling_mode != I915_TILING_NONE) | |
2296 | dspcntr |= DISPPLANE_TILED; | |
2297 | else | |
2298 | dspcntr &= ~DISPPLANE_TILED; | |
2299 | ||
b42c6009 | 2300 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
1f5d76db PZ |
2301 | dspcntr &= ~DISPPLANE_TRICKLE_FEED_DISABLE; |
2302 | else | |
2303 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; | |
17638cd6 JB |
2304 | |
2305 | I915_WRITE(reg, dspcntr); | |
2306 | ||
e506a0c6 | 2307 | linear_offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8); |
c2c75131 | 2308 | intel_crtc->dspaddr_offset = |
bc752862 CW |
2309 | intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode, |
2310 | fb->bits_per_pixel / 8, | |
2311 | fb->pitches[0]); | |
c2c75131 | 2312 | linear_offset -= intel_crtc->dspaddr_offset; |
17638cd6 | 2313 | |
f343c5f6 BW |
2314 | DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n", |
2315 | i915_gem_obj_ggtt_offset(obj), linear_offset, x, y, | |
2316 | fb->pitches[0]); | |
01f2c773 | 2317 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
85ba7b7d DV |
2318 | I915_WRITE(DSPSURF(plane), |
2319 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); | |
b3dc685e | 2320 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
bc1c91eb DL |
2321 | I915_WRITE(DSPOFFSET(plane), (y << 16) | x); |
2322 | } else { | |
2323 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); | |
2324 | I915_WRITE(DSPLINOFF(plane), linear_offset); | |
2325 | } | |
17638cd6 JB |
2326 | POSTING_READ(reg); |
2327 | ||
2328 | return 0; | |
2329 | } | |
2330 | ||
2331 | /* Assume fb object is pinned & idle & fenced and just update base pointers */ | |
2332 | static int | |
2333 | intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, | |
2334 | int x, int y, enum mode_set_atomic state) | |
2335 | { | |
2336 | struct drm_device *dev = crtc->dev; | |
2337 | struct drm_i915_private *dev_priv = dev->dev_private; | |
17638cd6 | 2338 | |
6b8e6ed0 CW |
2339 | if (dev_priv->display.disable_fbc) |
2340 | dev_priv->display.disable_fbc(dev); | |
3dec0095 | 2341 | intel_increase_pllclock(crtc); |
81255565 | 2342 | |
262ca2b0 | 2343 | return dev_priv->display.update_primary_plane(crtc, fb, x, y); |
81255565 JB |
2344 | } |
2345 | ||
96a02917 VS |
2346 | void intel_display_handle_reset(struct drm_device *dev) |
2347 | { | |
2348 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2349 | struct drm_crtc *crtc; | |
2350 | ||
2351 | /* | |
2352 | * Flips in the rings have been nuked by the reset, | |
2353 | * so complete all pending flips so that user space | |
2354 | * will get its events and not get stuck. | |
2355 | * | |
2356 | * Also update the base address of all primary | |
2357 | * planes to the the last fb to make sure we're | |
2358 | * showing the correct fb after a reset. | |
2359 | * | |
2360 | * Need to make two loops over the crtcs so that we | |
2361 | * don't try to grab a crtc mutex before the | |
2362 | * pending_flip_queue really got woken up. | |
2363 | */ | |
2364 | ||
2365 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
2366 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2367 | enum plane plane = intel_crtc->plane; | |
2368 | ||
2369 | intel_prepare_page_flip(dev, plane); | |
2370 | intel_finish_page_flip_plane(dev, plane); | |
2371 | } | |
2372 | ||
2373 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
2374 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2375 | ||
2376 | mutex_lock(&crtc->mutex); | |
947fdaad CW |
2377 | /* |
2378 | * FIXME: Once we have proper support for primary planes (and | |
2379 | * disabling them without disabling the entire crtc) allow again | |
66e514c1 | 2380 | * a NULL crtc->primary->fb. |
947fdaad | 2381 | */ |
f4510a27 | 2382 | if (intel_crtc->active && crtc->primary->fb) |
262ca2b0 | 2383 | dev_priv->display.update_primary_plane(crtc, |
66e514c1 | 2384 | crtc->primary->fb, |
262ca2b0 MR |
2385 | crtc->x, |
2386 | crtc->y); | |
96a02917 VS |
2387 | mutex_unlock(&crtc->mutex); |
2388 | } | |
2389 | } | |
2390 | ||
14667a4b CW |
2391 | static int |
2392 | intel_finish_fb(struct drm_framebuffer *old_fb) | |
2393 | { | |
2394 | struct drm_i915_gem_object *obj = to_intel_framebuffer(old_fb)->obj; | |
2395 | struct drm_i915_private *dev_priv = obj->base.dev->dev_private; | |
2396 | bool was_interruptible = dev_priv->mm.interruptible; | |
2397 | int ret; | |
2398 | ||
14667a4b CW |
2399 | /* Big Hammer, we also need to ensure that any pending |
2400 | * MI_WAIT_FOR_EVENT inside a user batch buffer on the | |
2401 | * current scanout is retired before unpinning the old | |
2402 | * framebuffer. | |
2403 | * | |
2404 | * This should only fail upon a hung GPU, in which case we | |
2405 | * can safely continue. | |
2406 | */ | |
2407 | dev_priv->mm.interruptible = false; | |
2408 | ret = i915_gem_object_finish_gpu(obj); | |
2409 | dev_priv->mm.interruptible = was_interruptible; | |
2410 | ||
2411 | return ret; | |
2412 | } | |
2413 | ||
7d5e3799 CW |
2414 | static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) |
2415 | { | |
2416 | struct drm_device *dev = crtc->dev; | |
2417 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2418 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2419 | unsigned long flags; | |
2420 | bool pending; | |
2421 | ||
2422 | if (i915_reset_in_progress(&dev_priv->gpu_error) || | |
2423 | intel_crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter)) | |
2424 | return false; | |
2425 | ||
2426 | spin_lock_irqsave(&dev->event_lock, flags); | |
2427 | pending = to_intel_crtc(crtc)->unpin_work != NULL; | |
2428 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
2429 | ||
2430 | return pending; | |
2431 | } | |
2432 | ||
5c3b82e2 | 2433 | static int |
3c4fdcfb | 2434 | intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, |
94352cf9 | 2435 | struct drm_framebuffer *fb) |
79e53945 JB |
2436 | { |
2437 | struct drm_device *dev = crtc->dev; | |
6b8e6ed0 | 2438 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 | 2439 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
94352cf9 | 2440 | struct drm_framebuffer *old_fb; |
5c3b82e2 | 2441 | int ret; |
79e53945 | 2442 | |
7d5e3799 CW |
2443 | if (intel_crtc_has_pending_flip(crtc)) { |
2444 | DRM_ERROR("pipe is still busy with an old pageflip\n"); | |
2445 | return -EBUSY; | |
2446 | } | |
2447 | ||
79e53945 | 2448 | /* no fb bound */ |
94352cf9 | 2449 | if (!fb) { |
a5071c2f | 2450 | DRM_ERROR("No FB bound\n"); |
5c3b82e2 CW |
2451 | return 0; |
2452 | } | |
2453 | ||
7eb552ae | 2454 | if (intel_crtc->plane > INTEL_INFO(dev)->num_pipes) { |
84f44ce7 VS |
2455 | DRM_ERROR("no plane for crtc: plane %c, num_pipes %d\n", |
2456 | plane_name(intel_crtc->plane), | |
2457 | INTEL_INFO(dev)->num_pipes); | |
5c3b82e2 | 2458 | return -EINVAL; |
79e53945 JB |
2459 | } |
2460 | ||
5c3b82e2 | 2461 | mutex_lock(&dev->struct_mutex); |
265db958 | 2462 | ret = intel_pin_and_fence_fb_obj(dev, |
94352cf9 | 2463 | to_intel_framebuffer(fb)->obj, |
919926ae | 2464 | NULL); |
8ac36ec1 | 2465 | mutex_unlock(&dev->struct_mutex); |
5c3b82e2 | 2466 | if (ret != 0) { |
a5071c2f | 2467 | DRM_ERROR("pin & fence failed\n"); |
5c3b82e2 CW |
2468 | return ret; |
2469 | } | |
79e53945 | 2470 | |
bb2043de DL |
2471 | /* |
2472 | * Update pipe size and adjust fitter if needed: the reason for this is | |
2473 | * that in compute_mode_changes we check the native mode (not the pfit | |
2474 | * mode) to see if we can flip rather than do a full mode set. In the | |
2475 | * fastboot case, we'll flip, but if we don't update the pipesrc and | |
2476 | * pfit state, we'll end up with a big fb scanned out into the wrong | |
2477 | * sized surface. | |
2478 | * | |
2479 | * To fix this properly, we need to hoist the checks up into | |
2480 | * compute_mode_changes (or above), check the actual pfit state and | |
2481 | * whether the platform allows pfit disable with pipe active, and only | |
2482 | * then update the pipesrc and pfit state, even on the flip path. | |
2483 | */ | |
d330a953 | 2484 | if (i915.fastboot) { |
d7bf63f2 DL |
2485 | const struct drm_display_mode *adjusted_mode = |
2486 | &intel_crtc->config.adjusted_mode; | |
2487 | ||
4d6a3e63 | 2488 | I915_WRITE(PIPESRC(intel_crtc->pipe), |
d7bf63f2 DL |
2489 | ((adjusted_mode->crtc_hdisplay - 1) << 16) | |
2490 | (adjusted_mode->crtc_vdisplay - 1)); | |
fd4daa9c | 2491 | if (!intel_crtc->config.pch_pfit.enabled && |
4d6a3e63 JB |
2492 | (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) || |
2493 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) { | |
2494 | I915_WRITE(PF_CTL(intel_crtc->pipe), 0); | |
2495 | I915_WRITE(PF_WIN_POS(intel_crtc->pipe), 0); | |
2496 | I915_WRITE(PF_WIN_SZ(intel_crtc->pipe), 0); | |
2497 | } | |
0637d60d JB |
2498 | intel_crtc->config.pipe_src_w = adjusted_mode->crtc_hdisplay; |
2499 | intel_crtc->config.pipe_src_h = adjusted_mode->crtc_vdisplay; | |
4d6a3e63 JB |
2500 | } |
2501 | ||
262ca2b0 | 2502 | ret = dev_priv->display.update_primary_plane(crtc, fb, x, y); |
4e6cfefc | 2503 | if (ret) { |
8ac36ec1 | 2504 | mutex_lock(&dev->struct_mutex); |
94352cf9 | 2505 | intel_unpin_fb_obj(to_intel_framebuffer(fb)->obj); |
5c3b82e2 | 2506 | mutex_unlock(&dev->struct_mutex); |
a5071c2f | 2507 | DRM_ERROR("failed to update base address\n"); |
4e6cfefc | 2508 | return ret; |
79e53945 | 2509 | } |
3c4fdcfb | 2510 | |
f4510a27 MR |
2511 | old_fb = crtc->primary->fb; |
2512 | crtc->primary->fb = fb; | |
6c4c86f5 DV |
2513 | crtc->x = x; |
2514 | crtc->y = y; | |
94352cf9 | 2515 | |
b7f1de28 | 2516 | if (old_fb) { |
d7697eea DV |
2517 | if (intel_crtc->active && old_fb != fb) |
2518 | intel_wait_for_vblank(dev, intel_crtc->pipe); | |
8ac36ec1 | 2519 | mutex_lock(&dev->struct_mutex); |
1690e1eb | 2520 | intel_unpin_fb_obj(to_intel_framebuffer(old_fb)->obj); |
8ac36ec1 | 2521 | mutex_unlock(&dev->struct_mutex); |
b7f1de28 | 2522 | } |
652c393a | 2523 | |
8ac36ec1 | 2524 | mutex_lock(&dev->struct_mutex); |
6b8e6ed0 | 2525 | intel_update_fbc(dev); |
4906557e | 2526 | intel_edp_psr_update(dev); |
5c3b82e2 | 2527 | mutex_unlock(&dev->struct_mutex); |
79e53945 | 2528 | |
5c3b82e2 | 2529 | return 0; |
79e53945 JB |
2530 | } |
2531 | ||
5e84e1a4 ZW |
2532 | static void intel_fdi_normal_train(struct drm_crtc *crtc) |
2533 | { | |
2534 | struct drm_device *dev = crtc->dev; | |
2535 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2536 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2537 | int pipe = intel_crtc->pipe; | |
2538 | u32 reg, temp; | |
2539 | ||
2540 | /* enable normal train */ | |
2541 | reg = FDI_TX_CTL(pipe); | |
2542 | temp = I915_READ(reg); | |
61e499bf | 2543 | if (IS_IVYBRIDGE(dev)) { |
357555c0 JB |
2544 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
2545 | temp |= FDI_LINK_TRAIN_NONE_IVB | FDI_TX_ENHANCE_FRAME_ENABLE; | |
61e499bf KP |
2546 | } else { |
2547 | temp &= ~FDI_LINK_TRAIN_NONE; | |
2548 | temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE; | |
357555c0 | 2549 | } |
5e84e1a4 ZW |
2550 | I915_WRITE(reg, temp); |
2551 | ||
2552 | reg = FDI_RX_CTL(pipe); | |
2553 | temp = I915_READ(reg); | |
2554 | if (HAS_PCH_CPT(dev)) { | |
2555 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
2556 | temp |= FDI_LINK_TRAIN_NORMAL_CPT; | |
2557 | } else { | |
2558 | temp &= ~FDI_LINK_TRAIN_NONE; | |
2559 | temp |= FDI_LINK_TRAIN_NONE; | |
2560 | } | |
2561 | I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE); | |
2562 | ||
2563 | /* wait one idle pattern time */ | |
2564 | POSTING_READ(reg); | |
2565 | udelay(1000); | |
357555c0 JB |
2566 | |
2567 | /* IVB wants error correction enabled */ | |
2568 | if (IS_IVYBRIDGE(dev)) | |
2569 | I915_WRITE(reg, I915_READ(reg) | FDI_FS_ERRC_ENABLE | | |
2570 | FDI_FE_ERRC_ENABLE); | |
5e84e1a4 ZW |
2571 | } |
2572 | ||
1fbc0d78 | 2573 | static bool pipe_has_enabled_pch(struct intel_crtc *crtc) |
1e833f40 | 2574 | { |
1fbc0d78 DV |
2575 | return crtc->base.enabled && crtc->active && |
2576 | crtc->config.has_pch_encoder; | |
1e833f40 DV |
2577 | } |
2578 | ||
01a415fd DV |
2579 | static void ivb_modeset_global_resources(struct drm_device *dev) |
2580 | { | |
2581 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2582 | struct intel_crtc *pipe_B_crtc = | |
2583 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_B]); | |
2584 | struct intel_crtc *pipe_C_crtc = | |
2585 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_C]); | |
2586 | uint32_t temp; | |
2587 | ||
1e833f40 DV |
2588 | /* |
2589 | * When everything is off disable fdi C so that we could enable fdi B | |
2590 | * with all lanes. Note that we don't care about enabled pipes without | |
2591 | * an enabled pch encoder. | |
2592 | */ | |
2593 | if (!pipe_has_enabled_pch(pipe_B_crtc) && | |
2594 | !pipe_has_enabled_pch(pipe_C_crtc)) { | |
01a415fd DV |
2595 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); |
2596 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); | |
2597 | ||
2598 | temp = I915_READ(SOUTH_CHICKEN1); | |
2599 | temp &= ~FDI_BC_BIFURCATION_SELECT; | |
2600 | DRM_DEBUG_KMS("disabling fdi C rx\n"); | |
2601 | I915_WRITE(SOUTH_CHICKEN1, temp); | |
2602 | } | |
2603 | } | |
2604 | ||
8db9d77b ZW |
2605 | /* The FDI link training functions for ILK/Ibexpeak. */ |
2606 | static void ironlake_fdi_link_train(struct drm_crtc *crtc) | |
2607 | { | |
2608 | struct drm_device *dev = crtc->dev; | |
2609 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2610 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2611 | int pipe = intel_crtc->pipe; | |
0fc932b8 | 2612 | int plane = intel_crtc->plane; |
5eddb70b | 2613 | u32 reg, temp, tries; |
8db9d77b | 2614 | |
0fc932b8 JB |
2615 | /* FDI needs bits from pipe & plane first */ |
2616 | assert_pipe_enabled(dev_priv, pipe); | |
2617 | assert_plane_enabled(dev_priv, plane); | |
2618 | ||
e1a44743 AJ |
2619 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
2620 | for train result */ | |
5eddb70b CW |
2621 | reg = FDI_RX_IMR(pipe); |
2622 | temp = I915_READ(reg); | |
e1a44743 AJ |
2623 | temp &= ~FDI_RX_SYMBOL_LOCK; |
2624 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
2625 | I915_WRITE(reg, temp); |
2626 | I915_READ(reg); | |
e1a44743 AJ |
2627 | udelay(150); |
2628 | ||
8db9d77b | 2629 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
2630 | reg = FDI_TX_CTL(pipe); |
2631 | temp = I915_READ(reg); | |
627eb5a3 DV |
2632 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
2633 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); | |
8db9d77b ZW |
2634 | temp &= ~FDI_LINK_TRAIN_NONE; |
2635 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b | 2636 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 2637 | |
5eddb70b CW |
2638 | reg = FDI_RX_CTL(pipe); |
2639 | temp = I915_READ(reg); | |
8db9d77b ZW |
2640 | temp &= ~FDI_LINK_TRAIN_NONE; |
2641 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b CW |
2642 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
2643 | ||
2644 | POSTING_READ(reg); | |
8db9d77b ZW |
2645 | udelay(150); |
2646 | ||
5b2adf89 | 2647 | /* Ironlake workaround, enable clock pointer after FDI enable*/ |
8f5718a6 DV |
2648 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
2649 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR | | |
2650 | FDI_RX_PHASE_SYNC_POINTER_EN); | |
5b2adf89 | 2651 | |
5eddb70b | 2652 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 2653 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 2654 | temp = I915_READ(reg); |
8db9d77b ZW |
2655 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
2656 | ||
2657 | if ((temp & FDI_RX_BIT_LOCK)) { | |
2658 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
5eddb70b | 2659 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
8db9d77b ZW |
2660 | break; |
2661 | } | |
8db9d77b | 2662 | } |
e1a44743 | 2663 | if (tries == 5) |
5eddb70b | 2664 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
2665 | |
2666 | /* Train 2 */ | |
5eddb70b CW |
2667 | reg = FDI_TX_CTL(pipe); |
2668 | temp = I915_READ(reg); | |
8db9d77b ZW |
2669 | temp &= ~FDI_LINK_TRAIN_NONE; |
2670 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 2671 | I915_WRITE(reg, temp); |
8db9d77b | 2672 | |
5eddb70b CW |
2673 | reg = FDI_RX_CTL(pipe); |
2674 | temp = I915_READ(reg); | |
8db9d77b ZW |
2675 | temp &= ~FDI_LINK_TRAIN_NONE; |
2676 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 2677 | I915_WRITE(reg, temp); |
8db9d77b | 2678 | |
5eddb70b CW |
2679 | POSTING_READ(reg); |
2680 | udelay(150); | |
8db9d77b | 2681 | |
5eddb70b | 2682 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 2683 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 2684 | temp = I915_READ(reg); |
8db9d77b ZW |
2685 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
2686 | ||
2687 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
5eddb70b | 2688 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
8db9d77b ZW |
2689 | DRM_DEBUG_KMS("FDI train 2 done.\n"); |
2690 | break; | |
2691 | } | |
8db9d77b | 2692 | } |
e1a44743 | 2693 | if (tries == 5) |
5eddb70b | 2694 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
2695 | |
2696 | DRM_DEBUG_KMS("FDI train done\n"); | |
5c5313c8 | 2697 | |
8db9d77b ZW |
2698 | } |
2699 | ||
0206e353 | 2700 | static const int snb_b_fdi_train_param[] = { |
8db9d77b ZW |
2701 | FDI_LINK_TRAIN_400MV_0DB_SNB_B, |
2702 | FDI_LINK_TRAIN_400MV_6DB_SNB_B, | |
2703 | FDI_LINK_TRAIN_600MV_3_5DB_SNB_B, | |
2704 | FDI_LINK_TRAIN_800MV_0DB_SNB_B, | |
2705 | }; | |
2706 | ||
2707 | /* The FDI link training functions for SNB/Cougarpoint. */ | |
2708 | static void gen6_fdi_link_train(struct drm_crtc *crtc) | |
2709 | { | |
2710 | struct drm_device *dev = crtc->dev; | |
2711 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2712 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2713 | int pipe = intel_crtc->pipe; | |
fa37d39e | 2714 | u32 reg, temp, i, retry; |
8db9d77b | 2715 | |
e1a44743 AJ |
2716 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
2717 | for train result */ | |
5eddb70b CW |
2718 | reg = FDI_RX_IMR(pipe); |
2719 | temp = I915_READ(reg); | |
e1a44743 AJ |
2720 | temp &= ~FDI_RX_SYMBOL_LOCK; |
2721 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
2722 | I915_WRITE(reg, temp); |
2723 | ||
2724 | POSTING_READ(reg); | |
e1a44743 AJ |
2725 | udelay(150); |
2726 | ||
8db9d77b | 2727 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
2728 | reg = FDI_TX_CTL(pipe); |
2729 | temp = I915_READ(reg); | |
627eb5a3 DV |
2730 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
2731 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); | |
8db9d77b ZW |
2732 | temp &= ~FDI_LINK_TRAIN_NONE; |
2733 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
2734 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
2735 | /* SNB-B */ | |
2736 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
5eddb70b | 2737 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 2738 | |
d74cf324 DV |
2739 | I915_WRITE(FDI_RX_MISC(pipe), |
2740 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
2741 | ||
5eddb70b CW |
2742 | reg = FDI_RX_CTL(pipe); |
2743 | temp = I915_READ(reg); | |
8db9d77b ZW |
2744 | if (HAS_PCH_CPT(dev)) { |
2745 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
2746 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
2747 | } else { | |
2748 | temp &= ~FDI_LINK_TRAIN_NONE; | |
2749 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
2750 | } | |
5eddb70b CW |
2751 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
2752 | ||
2753 | POSTING_READ(reg); | |
8db9d77b ZW |
2754 | udelay(150); |
2755 | ||
0206e353 | 2756 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
2757 | reg = FDI_TX_CTL(pipe); |
2758 | temp = I915_READ(reg); | |
8db9d77b ZW |
2759 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
2760 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
2761 | I915_WRITE(reg, temp); |
2762 | ||
2763 | POSTING_READ(reg); | |
8db9d77b ZW |
2764 | udelay(500); |
2765 | ||
fa37d39e SP |
2766 | for (retry = 0; retry < 5; retry++) { |
2767 | reg = FDI_RX_IIR(pipe); | |
2768 | temp = I915_READ(reg); | |
2769 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
2770 | if (temp & FDI_RX_BIT_LOCK) { | |
2771 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
2772 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
2773 | break; | |
2774 | } | |
2775 | udelay(50); | |
8db9d77b | 2776 | } |
fa37d39e SP |
2777 | if (retry < 5) |
2778 | break; | |
8db9d77b ZW |
2779 | } |
2780 | if (i == 4) | |
5eddb70b | 2781 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
2782 | |
2783 | /* Train 2 */ | |
5eddb70b CW |
2784 | reg = FDI_TX_CTL(pipe); |
2785 | temp = I915_READ(reg); | |
8db9d77b ZW |
2786 | temp &= ~FDI_LINK_TRAIN_NONE; |
2787 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
2788 | if (IS_GEN6(dev)) { | |
2789 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
2790 | /* SNB-B */ | |
2791 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
2792 | } | |
5eddb70b | 2793 | I915_WRITE(reg, temp); |
8db9d77b | 2794 | |
5eddb70b CW |
2795 | reg = FDI_RX_CTL(pipe); |
2796 | temp = I915_READ(reg); | |
8db9d77b ZW |
2797 | if (HAS_PCH_CPT(dev)) { |
2798 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
2799 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
2800 | } else { | |
2801 | temp &= ~FDI_LINK_TRAIN_NONE; | |
2802 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
2803 | } | |
5eddb70b CW |
2804 | I915_WRITE(reg, temp); |
2805 | ||
2806 | POSTING_READ(reg); | |
8db9d77b ZW |
2807 | udelay(150); |
2808 | ||
0206e353 | 2809 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
2810 | reg = FDI_TX_CTL(pipe); |
2811 | temp = I915_READ(reg); | |
8db9d77b ZW |
2812 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
2813 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
2814 | I915_WRITE(reg, temp); |
2815 | ||
2816 | POSTING_READ(reg); | |
8db9d77b ZW |
2817 | udelay(500); |
2818 | ||
fa37d39e SP |
2819 | for (retry = 0; retry < 5; retry++) { |
2820 | reg = FDI_RX_IIR(pipe); | |
2821 | temp = I915_READ(reg); | |
2822 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
2823 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
2824 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
2825 | DRM_DEBUG_KMS("FDI train 2 done.\n"); | |
2826 | break; | |
2827 | } | |
2828 | udelay(50); | |
8db9d77b | 2829 | } |
fa37d39e SP |
2830 | if (retry < 5) |
2831 | break; | |
8db9d77b ZW |
2832 | } |
2833 | if (i == 4) | |
5eddb70b | 2834 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
2835 | |
2836 | DRM_DEBUG_KMS("FDI train done.\n"); | |
2837 | } | |
2838 | ||
357555c0 JB |
2839 | /* Manual link training for Ivy Bridge A0 parts */ |
2840 | static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) | |
2841 | { | |
2842 | struct drm_device *dev = crtc->dev; | |
2843 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2844 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2845 | int pipe = intel_crtc->pipe; | |
139ccd3f | 2846 | u32 reg, temp, i, j; |
357555c0 JB |
2847 | |
2848 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit | |
2849 | for train result */ | |
2850 | reg = FDI_RX_IMR(pipe); | |
2851 | temp = I915_READ(reg); | |
2852 | temp &= ~FDI_RX_SYMBOL_LOCK; | |
2853 | temp &= ~FDI_RX_BIT_LOCK; | |
2854 | I915_WRITE(reg, temp); | |
2855 | ||
2856 | POSTING_READ(reg); | |
2857 | udelay(150); | |
2858 | ||
01a415fd DV |
2859 | DRM_DEBUG_KMS("FDI_RX_IIR before link train 0x%x\n", |
2860 | I915_READ(FDI_RX_IIR(pipe))); | |
2861 | ||
139ccd3f JB |
2862 | /* Try each vswing and preemphasis setting twice before moving on */ |
2863 | for (j = 0; j < ARRAY_SIZE(snb_b_fdi_train_param) * 2; j++) { | |
2864 | /* disable first in case we need to retry */ | |
2865 | reg = FDI_TX_CTL(pipe); | |
2866 | temp = I915_READ(reg); | |
2867 | temp &= ~(FDI_LINK_TRAIN_AUTO | FDI_LINK_TRAIN_NONE_IVB); | |
2868 | temp &= ~FDI_TX_ENABLE; | |
2869 | I915_WRITE(reg, temp); | |
357555c0 | 2870 | |
139ccd3f JB |
2871 | reg = FDI_RX_CTL(pipe); |
2872 | temp = I915_READ(reg); | |
2873 | temp &= ~FDI_LINK_TRAIN_AUTO; | |
2874 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
2875 | temp &= ~FDI_RX_ENABLE; | |
2876 | I915_WRITE(reg, temp); | |
357555c0 | 2877 | |
139ccd3f | 2878 | /* enable CPU FDI TX and PCH FDI RX */ |
357555c0 JB |
2879 | reg = FDI_TX_CTL(pipe); |
2880 | temp = I915_READ(reg); | |
139ccd3f JB |
2881 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
2882 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); | |
2883 | temp |= FDI_LINK_TRAIN_PATTERN_1_IVB; | |
357555c0 | 2884 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
139ccd3f JB |
2885 | temp |= snb_b_fdi_train_param[j/2]; |
2886 | temp |= FDI_COMPOSITE_SYNC; | |
2887 | I915_WRITE(reg, temp | FDI_TX_ENABLE); | |
357555c0 | 2888 | |
139ccd3f JB |
2889 | I915_WRITE(FDI_RX_MISC(pipe), |
2890 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
357555c0 | 2891 | |
139ccd3f | 2892 | reg = FDI_RX_CTL(pipe); |
357555c0 | 2893 | temp = I915_READ(reg); |
139ccd3f JB |
2894 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
2895 | temp |= FDI_COMPOSITE_SYNC; | |
2896 | I915_WRITE(reg, temp | FDI_RX_ENABLE); | |
357555c0 | 2897 | |
139ccd3f JB |
2898 | POSTING_READ(reg); |
2899 | udelay(1); /* should be 0.5us */ | |
357555c0 | 2900 | |
139ccd3f JB |
2901 | for (i = 0; i < 4; i++) { |
2902 | reg = FDI_RX_IIR(pipe); | |
2903 | temp = I915_READ(reg); | |
2904 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
357555c0 | 2905 | |
139ccd3f JB |
2906 | if (temp & FDI_RX_BIT_LOCK || |
2907 | (I915_READ(reg) & FDI_RX_BIT_LOCK)) { | |
2908 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
2909 | DRM_DEBUG_KMS("FDI train 1 done, level %i.\n", | |
2910 | i); | |
2911 | break; | |
2912 | } | |
2913 | udelay(1); /* should be 0.5us */ | |
2914 | } | |
2915 | if (i == 4) { | |
2916 | DRM_DEBUG_KMS("FDI train 1 fail on vswing %d\n", j / 2); | |
2917 | continue; | |
2918 | } | |
357555c0 | 2919 | |
139ccd3f | 2920 | /* Train 2 */ |
357555c0 JB |
2921 | reg = FDI_TX_CTL(pipe); |
2922 | temp = I915_READ(reg); | |
139ccd3f JB |
2923 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
2924 | temp |= FDI_LINK_TRAIN_PATTERN_2_IVB; | |
2925 | I915_WRITE(reg, temp); | |
2926 | ||
2927 | reg = FDI_RX_CTL(pipe); | |
2928 | temp = I915_READ(reg); | |
2929 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
2930 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
357555c0 JB |
2931 | I915_WRITE(reg, temp); |
2932 | ||
2933 | POSTING_READ(reg); | |
139ccd3f | 2934 | udelay(2); /* should be 1.5us */ |
357555c0 | 2935 | |
139ccd3f JB |
2936 | for (i = 0; i < 4; i++) { |
2937 | reg = FDI_RX_IIR(pipe); | |
2938 | temp = I915_READ(reg); | |
2939 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
357555c0 | 2940 | |
139ccd3f JB |
2941 | if (temp & FDI_RX_SYMBOL_LOCK || |
2942 | (I915_READ(reg) & FDI_RX_SYMBOL_LOCK)) { | |
2943 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
2944 | DRM_DEBUG_KMS("FDI train 2 done, level %i.\n", | |
2945 | i); | |
2946 | goto train_done; | |
2947 | } | |
2948 | udelay(2); /* should be 1.5us */ | |
357555c0 | 2949 | } |
139ccd3f JB |
2950 | if (i == 4) |
2951 | DRM_DEBUG_KMS("FDI train 2 fail on vswing %d\n", j / 2); | |
357555c0 | 2952 | } |
357555c0 | 2953 | |
139ccd3f | 2954 | train_done: |
357555c0 JB |
2955 | DRM_DEBUG_KMS("FDI train done.\n"); |
2956 | } | |
2957 | ||
88cefb6c | 2958 | static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc) |
2c07245f | 2959 | { |
88cefb6c | 2960 | struct drm_device *dev = intel_crtc->base.dev; |
2c07245f | 2961 | struct drm_i915_private *dev_priv = dev->dev_private; |
2c07245f | 2962 | int pipe = intel_crtc->pipe; |
5eddb70b | 2963 | u32 reg, temp; |
79e53945 | 2964 | |
c64e311e | 2965 | |
c98e9dcf | 2966 | /* enable PCH FDI RX PLL, wait warmup plus DMI latency */ |
5eddb70b CW |
2967 | reg = FDI_RX_CTL(pipe); |
2968 | temp = I915_READ(reg); | |
627eb5a3 DV |
2969 | temp &= ~(FDI_DP_PORT_WIDTH_MASK | (0x7 << 16)); |
2970 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); | |
dfd07d72 | 2971 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
5eddb70b CW |
2972 | I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE); |
2973 | ||
2974 | POSTING_READ(reg); | |
c98e9dcf JB |
2975 | udelay(200); |
2976 | ||
2977 | /* Switch from Rawclk to PCDclk */ | |
5eddb70b CW |
2978 | temp = I915_READ(reg); |
2979 | I915_WRITE(reg, temp | FDI_PCDCLK); | |
2980 | ||
2981 | POSTING_READ(reg); | |
c98e9dcf JB |
2982 | udelay(200); |
2983 | ||
20749730 PZ |
2984 | /* Enable CPU FDI TX PLL, always on for Ironlake */ |
2985 | reg = FDI_TX_CTL(pipe); | |
2986 | temp = I915_READ(reg); | |
2987 | if ((temp & FDI_TX_PLL_ENABLE) == 0) { | |
2988 | I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE); | |
5eddb70b | 2989 | |
20749730 PZ |
2990 | POSTING_READ(reg); |
2991 | udelay(100); | |
6be4a607 | 2992 | } |
0e23b99d JB |
2993 | } |
2994 | ||
88cefb6c DV |
2995 | static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc) |
2996 | { | |
2997 | struct drm_device *dev = intel_crtc->base.dev; | |
2998 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2999 | int pipe = intel_crtc->pipe; | |
3000 | u32 reg, temp; | |
3001 | ||
3002 | /* Switch from PCDclk to Rawclk */ | |
3003 | reg = FDI_RX_CTL(pipe); | |
3004 | temp = I915_READ(reg); | |
3005 | I915_WRITE(reg, temp & ~FDI_PCDCLK); | |
3006 | ||
3007 | /* Disable CPU FDI TX PLL */ | |
3008 | reg = FDI_TX_CTL(pipe); | |
3009 | temp = I915_READ(reg); | |
3010 | I915_WRITE(reg, temp & ~FDI_TX_PLL_ENABLE); | |
3011 | ||
3012 | POSTING_READ(reg); | |
3013 | udelay(100); | |
3014 | ||
3015 | reg = FDI_RX_CTL(pipe); | |
3016 | temp = I915_READ(reg); | |
3017 | I915_WRITE(reg, temp & ~FDI_RX_PLL_ENABLE); | |
3018 | ||
3019 | /* Wait for the clocks to turn off. */ | |
3020 | POSTING_READ(reg); | |
3021 | udelay(100); | |
3022 | } | |
3023 | ||
0fc932b8 JB |
3024 | static void ironlake_fdi_disable(struct drm_crtc *crtc) |
3025 | { | |
3026 | struct drm_device *dev = crtc->dev; | |
3027 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3028 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3029 | int pipe = intel_crtc->pipe; | |
3030 | u32 reg, temp; | |
3031 | ||
3032 | /* disable CPU FDI tx and PCH FDI rx */ | |
3033 | reg = FDI_TX_CTL(pipe); | |
3034 | temp = I915_READ(reg); | |
3035 | I915_WRITE(reg, temp & ~FDI_TX_ENABLE); | |
3036 | POSTING_READ(reg); | |
3037 | ||
3038 | reg = FDI_RX_CTL(pipe); | |
3039 | temp = I915_READ(reg); | |
3040 | temp &= ~(0x7 << 16); | |
dfd07d72 | 3041 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
3042 | I915_WRITE(reg, temp & ~FDI_RX_ENABLE); |
3043 | ||
3044 | POSTING_READ(reg); | |
3045 | udelay(100); | |
3046 | ||
3047 | /* Ironlake workaround, disable clock pointer after downing FDI */ | |
6f06ce18 JB |
3048 | if (HAS_PCH_IBX(dev)) { |
3049 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); | |
6f06ce18 | 3050 | } |
0fc932b8 JB |
3051 | |
3052 | /* still set train pattern 1 */ | |
3053 | reg = FDI_TX_CTL(pipe); | |
3054 | temp = I915_READ(reg); | |
3055 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3056 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3057 | I915_WRITE(reg, temp); | |
3058 | ||
3059 | reg = FDI_RX_CTL(pipe); | |
3060 | temp = I915_READ(reg); | |
3061 | if (HAS_PCH_CPT(dev)) { | |
3062 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3063 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
3064 | } else { | |
3065 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3066 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3067 | } | |
3068 | /* BPC in FDI rx is consistent with that in PIPECONF */ | |
3069 | temp &= ~(0x07 << 16); | |
dfd07d72 | 3070 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
3071 | I915_WRITE(reg, temp); |
3072 | ||
3073 | POSTING_READ(reg); | |
3074 | udelay(100); | |
3075 | } | |
3076 | ||
5dce5b93 CW |
3077 | bool intel_has_pending_fb_unpin(struct drm_device *dev) |
3078 | { | |
3079 | struct intel_crtc *crtc; | |
3080 | ||
3081 | /* Note that we don't need to be called with mode_config.lock here | |
3082 | * as our list of CRTC objects is static for the lifetime of the | |
3083 | * device and so cannot disappear as we iterate. Similarly, we can | |
3084 | * happily treat the predicates as racy, atomic checks as userspace | |
3085 | * cannot claim and pin a new fb without at least acquring the | |
3086 | * struct_mutex and so serialising with us. | |
3087 | */ | |
3088 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) { | |
3089 | if (atomic_read(&crtc->unpin_work_count) == 0) | |
3090 | continue; | |
3091 | ||
3092 | if (crtc->unpin_work) | |
3093 | intel_wait_for_vblank(dev, crtc->pipe); | |
3094 | ||
3095 | return true; | |
3096 | } | |
3097 | ||
3098 | return false; | |
3099 | } | |
3100 | ||
e6c3a2a6 CW |
3101 | static void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) |
3102 | { | |
0f91128d | 3103 | struct drm_device *dev = crtc->dev; |
5bb61643 | 3104 | struct drm_i915_private *dev_priv = dev->dev_private; |
e6c3a2a6 | 3105 | |
f4510a27 | 3106 | if (crtc->primary->fb == NULL) |
e6c3a2a6 CW |
3107 | return; |
3108 | ||
2c10d571 DV |
3109 | WARN_ON(waitqueue_active(&dev_priv->pending_flip_queue)); |
3110 | ||
5bb61643 CW |
3111 | wait_event(dev_priv->pending_flip_queue, |
3112 | !intel_crtc_has_pending_flip(crtc)); | |
3113 | ||
0f91128d | 3114 | mutex_lock(&dev->struct_mutex); |
f4510a27 | 3115 | intel_finish_fb(crtc->primary->fb); |
0f91128d | 3116 | mutex_unlock(&dev->struct_mutex); |
e6c3a2a6 CW |
3117 | } |
3118 | ||
e615efe4 ED |
3119 | /* Program iCLKIP clock to the desired frequency */ |
3120 | static void lpt_program_iclkip(struct drm_crtc *crtc) | |
3121 | { | |
3122 | struct drm_device *dev = crtc->dev; | |
3123 | struct drm_i915_private *dev_priv = dev->dev_private; | |
241bfc38 | 3124 | int clock = to_intel_crtc(crtc)->config.adjusted_mode.crtc_clock; |
e615efe4 ED |
3125 | u32 divsel, phaseinc, auxdiv, phasedir = 0; |
3126 | u32 temp; | |
3127 | ||
09153000 DV |
3128 | mutex_lock(&dev_priv->dpio_lock); |
3129 | ||
e615efe4 ED |
3130 | /* It is necessary to ungate the pixclk gate prior to programming |
3131 | * the divisors, and gate it back when it is done. | |
3132 | */ | |
3133 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_GATE); | |
3134 | ||
3135 | /* Disable SSCCTL */ | |
3136 | intel_sbi_write(dev_priv, SBI_SSCCTL6, | |
988d6ee8 PZ |
3137 | intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK) | |
3138 | SBI_SSCCTL_DISABLE, | |
3139 | SBI_ICLK); | |
e615efe4 ED |
3140 | |
3141 | /* 20MHz is a corner case which is out of range for the 7-bit divisor */ | |
12d7ceed | 3142 | if (clock == 20000) { |
e615efe4 ED |
3143 | auxdiv = 1; |
3144 | divsel = 0x41; | |
3145 | phaseinc = 0x20; | |
3146 | } else { | |
3147 | /* The iCLK virtual clock root frequency is in MHz, | |
241bfc38 DL |
3148 | * but the adjusted_mode->crtc_clock in in KHz. To get the |
3149 | * divisors, it is necessary to divide one by another, so we | |
e615efe4 ED |
3150 | * convert the virtual clock precision to KHz here for higher |
3151 | * precision. | |
3152 | */ | |
3153 | u32 iclk_virtual_root_freq = 172800 * 1000; | |
3154 | u32 iclk_pi_range = 64; | |
3155 | u32 desired_divisor, msb_divisor_value, pi_value; | |
3156 | ||
12d7ceed | 3157 | desired_divisor = (iclk_virtual_root_freq / clock); |
e615efe4 ED |
3158 | msb_divisor_value = desired_divisor / iclk_pi_range; |
3159 | pi_value = desired_divisor % iclk_pi_range; | |
3160 | ||
3161 | auxdiv = 0; | |
3162 | divsel = msb_divisor_value - 2; | |
3163 | phaseinc = pi_value; | |
3164 | } | |
3165 | ||
3166 | /* This should not happen with any sane values */ | |
3167 | WARN_ON(SBI_SSCDIVINTPHASE_DIVSEL(divsel) & | |
3168 | ~SBI_SSCDIVINTPHASE_DIVSEL_MASK); | |
3169 | WARN_ON(SBI_SSCDIVINTPHASE_DIR(phasedir) & | |
3170 | ~SBI_SSCDIVINTPHASE_INCVAL_MASK); | |
3171 | ||
3172 | DRM_DEBUG_KMS("iCLKIP clock: found settings for %dKHz refresh rate: auxdiv=%x, divsel=%x, phasedir=%x, phaseinc=%x\n", | |
12d7ceed | 3173 | clock, |
e615efe4 ED |
3174 | auxdiv, |
3175 | divsel, | |
3176 | phasedir, | |
3177 | phaseinc); | |
3178 | ||
3179 | /* Program SSCDIVINTPHASE6 */ | |
988d6ee8 | 3180 | temp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE6, SBI_ICLK); |
e615efe4 ED |
3181 | temp &= ~SBI_SSCDIVINTPHASE_DIVSEL_MASK; |
3182 | temp |= SBI_SSCDIVINTPHASE_DIVSEL(divsel); | |
3183 | temp &= ~SBI_SSCDIVINTPHASE_INCVAL_MASK; | |
3184 | temp |= SBI_SSCDIVINTPHASE_INCVAL(phaseinc); | |
3185 | temp |= SBI_SSCDIVINTPHASE_DIR(phasedir); | |
3186 | temp |= SBI_SSCDIVINTPHASE_PROPAGATE; | |
988d6ee8 | 3187 | intel_sbi_write(dev_priv, SBI_SSCDIVINTPHASE6, temp, SBI_ICLK); |
e615efe4 ED |
3188 | |
3189 | /* Program SSCAUXDIV */ | |
988d6ee8 | 3190 | temp = intel_sbi_read(dev_priv, SBI_SSCAUXDIV6, SBI_ICLK); |
e615efe4 ED |
3191 | temp &= ~SBI_SSCAUXDIV_FINALDIV2SEL(1); |
3192 | temp |= SBI_SSCAUXDIV_FINALDIV2SEL(auxdiv); | |
988d6ee8 | 3193 | intel_sbi_write(dev_priv, SBI_SSCAUXDIV6, temp, SBI_ICLK); |
e615efe4 ED |
3194 | |
3195 | /* Enable modulator and associated divider */ | |
988d6ee8 | 3196 | temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); |
e615efe4 | 3197 | temp &= ~SBI_SSCCTL_DISABLE; |
988d6ee8 | 3198 | intel_sbi_write(dev_priv, SBI_SSCCTL6, temp, SBI_ICLK); |
e615efe4 ED |
3199 | |
3200 | /* Wait for initialization time */ | |
3201 | udelay(24); | |
3202 | ||
3203 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_UNGATE); | |
09153000 DV |
3204 | |
3205 | mutex_unlock(&dev_priv->dpio_lock); | |
e615efe4 ED |
3206 | } |
3207 | ||
275f01b2 DV |
3208 | static void ironlake_pch_transcoder_set_timings(struct intel_crtc *crtc, |
3209 | enum pipe pch_transcoder) | |
3210 | { | |
3211 | struct drm_device *dev = crtc->base.dev; | |
3212 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3213 | enum transcoder cpu_transcoder = crtc->config.cpu_transcoder; | |
3214 | ||
3215 | I915_WRITE(PCH_TRANS_HTOTAL(pch_transcoder), | |
3216 | I915_READ(HTOTAL(cpu_transcoder))); | |
3217 | I915_WRITE(PCH_TRANS_HBLANK(pch_transcoder), | |
3218 | I915_READ(HBLANK(cpu_transcoder))); | |
3219 | I915_WRITE(PCH_TRANS_HSYNC(pch_transcoder), | |
3220 | I915_READ(HSYNC(cpu_transcoder))); | |
3221 | ||
3222 | I915_WRITE(PCH_TRANS_VTOTAL(pch_transcoder), | |
3223 | I915_READ(VTOTAL(cpu_transcoder))); | |
3224 | I915_WRITE(PCH_TRANS_VBLANK(pch_transcoder), | |
3225 | I915_READ(VBLANK(cpu_transcoder))); | |
3226 | I915_WRITE(PCH_TRANS_VSYNC(pch_transcoder), | |
3227 | I915_READ(VSYNC(cpu_transcoder))); | |
3228 | I915_WRITE(PCH_TRANS_VSYNCSHIFT(pch_transcoder), | |
3229 | I915_READ(VSYNCSHIFT(cpu_transcoder))); | |
3230 | } | |
3231 | ||
1fbc0d78 DV |
3232 | static void cpt_enable_fdi_bc_bifurcation(struct drm_device *dev) |
3233 | { | |
3234 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3235 | uint32_t temp; | |
3236 | ||
3237 | temp = I915_READ(SOUTH_CHICKEN1); | |
3238 | if (temp & FDI_BC_BIFURCATION_SELECT) | |
3239 | return; | |
3240 | ||
3241 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); | |
3242 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); | |
3243 | ||
3244 | temp |= FDI_BC_BIFURCATION_SELECT; | |
3245 | DRM_DEBUG_KMS("enabling fdi C rx\n"); | |
3246 | I915_WRITE(SOUTH_CHICKEN1, temp); | |
3247 | POSTING_READ(SOUTH_CHICKEN1); | |
3248 | } | |
3249 | ||
3250 | static void ivybridge_update_fdi_bc_bifurcation(struct intel_crtc *intel_crtc) | |
3251 | { | |
3252 | struct drm_device *dev = intel_crtc->base.dev; | |
3253 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3254 | ||
3255 | switch (intel_crtc->pipe) { | |
3256 | case PIPE_A: | |
3257 | break; | |
3258 | case PIPE_B: | |
3259 | if (intel_crtc->config.fdi_lanes > 2) | |
3260 | WARN_ON(I915_READ(SOUTH_CHICKEN1) & FDI_BC_BIFURCATION_SELECT); | |
3261 | else | |
3262 | cpt_enable_fdi_bc_bifurcation(dev); | |
3263 | ||
3264 | break; | |
3265 | case PIPE_C: | |
3266 | cpt_enable_fdi_bc_bifurcation(dev); | |
3267 | ||
3268 | break; | |
3269 | default: | |
3270 | BUG(); | |
3271 | } | |
3272 | } | |
3273 | ||
f67a559d JB |
3274 | /* |
3275 | * Enable PCH resources required for PCH ports: | |
3276 | * - PCH PLLs | |
3277 | * - FDI training & RX/TX | |
3278 | * - update transcoder timings | |
3279 | * - DP transcoding bits | |
3280 | * - transcoder | |
3281 | */ | |
3282 | static void ironlake_pch_enable(struct drm_crtc *crtc) | |
0e23b99d JB |
3283 | { |
3284 | struct drm_device *dev = crtc->dev; | |
3285 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3286 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3287 | int pipe = intel_crtc->pipe; | |
ee7b9f93 | 3288 | u32 reg, temp; |
2c07245f | 3289 | |
ab9412ba | 3290 | assert_pch_transcoder_disabled(dev_priv, pipe); |
e7e164db | 3291 | |
1fbc0d78 DV |
3292 | if (IS_IVYBRIDGE(dev)) |
3293 | ivybridge_update_fdi_bc_bifurcation(intel_crtc); | |
3294 | ||
cd986abb DV |
3295 | /* Write the TU size bits before fdi link training, so that error |
3296 | * detection works. */ | |
3297 | I915_WRITE(FDI_RX_TUSIZE1(pipe), | |
3298 | I915_READ(PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); | |
3299 | ||
c98e9dcf | 3300 | /* For PCH output, training FDI link */ |
674cf967 | 3301 | dev_priv->display.fdi_link_train(crtc); |
2c07245f | 3302 | |
3ad8a208 DV |
3303 | /* We need to program the right clock selection before writing the pixel |
3304 | * mutliplier into the DPLL. */ | |
303b81e0 | 3305 | if (HAS_PCH_CPT(dev)) { |
ee7b9f93 | 3306 | u32 sel; |
4b645f14 | 3307 | |
c98e9dcf | 3308 | temp = I915_READ(PCH_DPLL_SEL); |
11887397 DV |
3309 | temp |= TRANS_DPLL_ENABLE(pipe); |
3310 | sel = TRANS_DPLLB_SEL(pipe); | |
a43f6e0f | 3311 | if (intel_crtc->config.shared_dpll == DPLL_ID_PCH_PLL_B) |
ee7b9f93 JB |
3312 | temp |= sel; |
3313 | else | |
3314 | temp &= ~sel; | |
c98e9dcf | 3315 | I915_WRITE(PCH_DPLL_SEL, temp); |
c98e9dcf | 3316 | } |
5eddb70b | 3317 | |
3ad8a208 DV |
3318 | /* XXX: pch pll's can be enabled any time before we enable the PCH |
3319 | * transcoder, and we actually should do this to not upset any PCH | |
3320 | * transcoder that already use the clock when we share it. | |
3321 | * | |
3322 | * Note that enable_shared_dpll tries to do the right thing, but | |
3323 | * get_shared_dpll unconditionally resets the pll - we need that to have | |
3324 | * the right LVDS enable sequence. */ | |
3325 | ironlake_enable_shared_dpll(intel_crtc); | |
3326 | ||
d9b6cb56 JB |
3327 | /* set transcoder timing, panel must allow it */ |
3328 | assert_panel_unlocked(dev_priv, pipe); | |
275f01b2 | 3329 | ironlake_pch_transcoder_set_timings(intel_crtc, pipe); |
8db9d77b | 3330 | |
303b81e0 | 3331 | intel_fdi_normal_train(crtc); |
5e84e1a4 | 3332 | |
c98e9dcf JB |
3333 | /* For PCH DP, enable TRANS_DP_CTL */ |
3334 | if (HAS_PCH_CPT(dev) && | |
417e822d KP |
3335 | (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) || |
3336 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) { | |
dfd07d72 | 3337 | u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) >> 5; |
5eddb70b CW |
3338 | reg = TRANS_DP_CTL(pipe); |
3339 | temp = I915_READ(reg); | |
3340 | temp &= ~(TRANS_DP_PORT_SEL_MASK | | |
220cad3c EA |
3341 | TRANS_DP_SYNC_MASK | |
3342 | TRANS_DP_BPC_MASK); | |
5eddb70b CW |
3343 | temp |= (TRANS_DP_OUTPUT_ENABLE | |
3344 | TRANS_DP_ENH_FRAMING); | |
9325c9f0 | 3345 | temp |= bpc << 9; /* same format but at 11:9 */ |
c98e9dcf JB |
3346 | |
3347 | if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC) | |
5eddb70b | 3348 | temp |= TRANS_DP_HSYNC_ACTIVE_HIGH; |
c98e9dcf | 3349 | if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC) |
5eddb70b | 3350 | temp |= TRANS_DP_VSYNC_ACTIVE_HIGH; |
c98e9dcf JB |
3351 | |
3352 | switch (intel_trans_dp_port_sel(crtc)) { | |
3353 | case PCH_DP_B: | |
5eddb70b | 3354 | temp |= TRANS_DP_PORT_SEL_B; |
c98e9dcf JB |
3355 | break; |
3356 | case PCH_DP_C: | |
5eddb70b | 3357 | temp |= TRANS_DP_PORT_SEL_C; |
c98e9dcf JB |
3358 | break; |
3359 | case PCH_DP_D: | |
5eddb70b | 3360 | temp |= TRANS_DP_PORT_SEL_D; |
c98e9dcf JB |
3361 | break; |
3362 | default: | |
e95d41e1 | 3363 | BUG(); |
32f9d658 | 3364 | } |
2c07245f | 3365 | |
5eddb70b | 3366 | I915_WRITE(reg, temp); |
6be4a607 | 3367 | } |
b52eb4dc | 3368 | |
b8a4f404 | 3369 | ironlake_enable_pch_transcoder(dev_priv, pipe); |
f67a559d JB |
3370 | } |
3371 | ||
1507e5bd PZ |
3372 | static void lpt_pch_enable(struct drm_crtc *crtc) |
3373 | { | |
3374 | struct drm_device *dev = crtc->dev; | |
3375 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3376 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3b117c8f | 3377 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
1507e5bd | 3378 | |
ab9412ba | 3379 | assert_pch_transcoder_disabled(dev_priv, TRANSCODER_A); |
1507e5bd | 3380 | |
8c52b5e8 | 3381 | lpt_program_iclkip(crtc); |
1507e5bd | 3382 | |
0540e488 | 3383 | /* Set transcoder timing. */ |
275f01b2 | 3384 | ironlake_pch_transcoder_set_timings(intel_crtc, PIPE_A); |
1507e5bd | 3385 | |
937bb610 | 3386 | lpt_enable_pch_transcoder(dev_priv, cpu_transcoder); |
f67a559d JB |
3387 | } |
3388 | ||
e2b78267 | 3389 | static void intel_put_shared_dpll(struct intel_crtc *crtc) |
ee7b9f93 | 3390 | { |
e2b78267 | 3391 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
ee7b9f93 JB |
3392 | |
3393 | if (pll == NULL) | |
3394 | return; | |
3395 | ||
3396 | if (pll->refcount == 0) { | |
46edb027 | 3397 | WARN(1, "bad %s refcount\n", pll->name); |
ee7b9f93 JB |
3398 | return; |
3399 | } | |
3400 | ||
f4a091c7 DV |
3401 | if (--pll->refcount == 0) { |
3402 | WARN_ON(pll->on); | |
3403 | WARN_ON(pll->active); | |
3404 | } | |
3405 | ||
a43f6e0f | 3406 | crtc->config.shared_dpll = DPLL_ID_PRIVATE; |
ee7b9f93 JB |
3407 | } |
3408 | ||
b89a1d39 | 3409 | static struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc) |
ee7b9f93 | 3410 | { |
e2b78267 DV |
3411 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
3412 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); | |
3413 | enum intel_dpll_id i; | |
ee7b9f93 | 3414 | |
ee7b9f93 | 3415 | if (pll) { |
46edb027 DV |
3416 | DRM_DEBUG_KMS("CRTC:%d dropping existing %s\n", |
3417 | crtc->base.base.id, pll->name); | |
e2b78267 | 3418 | intel_put_shared_dpll(crtc); |
ee7b9f93 JB |
3419 | } |
3420 | ||
98b6bd99 DV |
3421 | if (HAS_PCH_IBX(dev_priv->dev)) { |
3422 | /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */ | |
d94ab068 | 3423 | i = (enum intel_dpll_id) crtc->pipe; |
e72f9fbf | 3424 | pll = &dev_priv->shared_dplls[i]; |
98b6bd99 | 3425 | |
46edb027 DV |
3426 | DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n", |
3427 | crtc->base.base.id, pll->name); | |
98b6bd99 DV |
3428 | |
3429 | goto found; | |
3430 | } | |
3431 | ||
e72f9fbf DV |
3432 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
3433 | pll = &dev_priv->shared_dplls[i]; | |
ee7b9f93 JB |
3434 | |
3435 | /* Only want to check enabled timings first */ | |
3436 | if (pll->refcount == 0) | |
3437 | continue; | |
3438 | ||
b89a1d39 DV |
3439 | if (memcmp(&crtc->config.dpll_hw_state, &pll->hw_state, |
3440 | sizeof(pll->hw_state)) == 0) { | |
46edb027 | 3441 | DRM_DEBUG_KMS("CRTC:%d sharing existing %s (refcount %d, ative %d)\n", |
e2b78267 | 3442 | crtc->base.base.id, |
46edb027 | 3443 | pll->name, pll->refcount, pll->active); |
ee7b9f93 JB |
3444 | |
3445 | goto found; | |
3446 | } | |
3447 | } | |
3448 | ||
3449 | /* Ok no matching timings, maybe there's a free one? */ | |
e72f9fbf DV |
3450 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
3451 | pll = &dev_priv->shared_dplls[i]; | |
ee7b9f93 | 3452 | if (pll->refcount == 0) { |
46edb027 DV |
3453 | DRM_DEBUG_KMS("CRTC:%d allocated %s\n", |
3454 | crtc->base.base.id, pll->name); | |
ee7b9f93 JB |
3455 | goto found; |
3456 | } | |
3457 | } | |
3458 | ||
3459 | return NULL; | |
3460 | ||
3461 | found: | |
a43f6e0f | 3462 | crtc->config.shared_dpll = i; |
46edb027 DV |
3463 | DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name, |
3464 | pipe_name(crtc->pipe)); | |
ee7b9f93 | 3465 | |
cdbd2316 | 3466 | if (pll->active == 0) { |
66e985c0 DV |
3467 | memcpy(&pll->hw_state, &crtc->config.dpll_hw_state, |
3468 | sizeof(pll->hw_state)); | |
3469 | ||
46edb027 | 3470 | DRM_DEBUG_DRIVER("setting up %s\n", pll->name); |
cdbd2316 | 3471 | WARN_ON(pll->on); |
e9d6944e | 3472 | assert_shared_dpll_disabled(dev_priv, pll); |
ee7b9f93 | 3473 | |
15bdd4cf | 3474 | pll->mode_set(dev_priv, pll); |
cdbd2316 DV |
3475 | } |
3476 | pll->refcount++; | |
e04c7350 | 3477 | |
ee7b9f93 JB |
3478 | return pll; |
3479 | } | |
3480 | ||
a1520318 | 3481 | static void cpt_verify_modeset(struct drm_device *dev, int pipe) |
d4270e57 JB |
3482 | { |
3483 | struct drm_i915_private *dev_priv = dev->dev_private; | |
23670b32 | 3484 | int dslreg = PIPEDSL(pipe); |
d4270e57 JB |
3485 | u32 temp; |
3486 | ||
3487 | temp = I915_READ(dslreg); | |
3488 | udelay(500); | |
3489 | if (wait_for(I915_READ(dslreg) != temp, 5)) { | |
d4270e57 | 3490 | if (wait_for(I915_READ(dslreg) != temp, 5)) |
84f44ce7 | 3491 | DRM_ERROR("mode set failed: pipe %c stuck\n", pipe_name(pipe)); |
d4270e57 JB |
3492 | } |
3493 | } | |
3494 | ||
b074cec8 JB |
3495 | static void ironlake_pfit_enable(struct intel_crtc *crtc) |
3496 | { | |
3497 | struct drm_device *dev = crtc->base.dev; | |
3498 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3499 | int pipe = crtc->pipe; | |
3500 | ||
fd4daa9c | 3501 | if (crtc->config.pch_pfit.enabled) { |
b074cec8 JB |
3502 | /* Force use of hard-coded filter coefficients |
3503 | * as some pre-programmed values are broken, | |
3504 | * e.g. x201. | |
3505 | */ | |
3506 | if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) | |
3507 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | | |
3508 | PF_PIPE_SEL_IVB(pipe)); | |
3509 | else | |
3510 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); | |
3511 | I915_WRITE(PF_WIN_POS(pipe), crtc->config.pch_pfit.pos); | |
3512 | I915_WRITE(PF_WIN_SZ(pipe), crtc->config.pch_pfit.size); | |
d4270e57 JB |
3513 | } |
3514 | } | |
3515 | ||
bb53d4ae VS |
3516 | static void intel_enable_planes(struct drm_crtc *crtc) |
3517 | { | |
3518 | struct drm_device *dev = crtc->dev; | |
3519 | enum pipe pipe = to_intel_crtc(crtc)->pipe; | |
af2b653b | 3520 | struct drm_plane *plane; |
bb53d4ae VS |
3521 | struct intel_plane *intel_plane; |
3522 | ||
af2b653b MR |
3523 | drm_for_each_legacy_plane(plane, &dev->mode_config.plane_list) { |
3524 | intel_plane = to_intel_plane(plane); | |
bb53d4ae VS |
3525 | if (intel_plane->pipe == pipe) |
3526 | intel_plane_restore(&intel_plane->base); | |
af2b653b | 3527 | } |
bb53d4ae VS |
3528 | } |
3529 | ||
3530 | static void intel_disable_planes(struct drm_crtc *crtc) | |
3531 | { | |
3532 | struct drm_device *dev = crtc->dev; | |
3533 | enum pipe pipe = to_intel_crtc(crtc)->pipe; | |
af2b653b | 3534 | struct drm_plane *plane; |
bb53d4ae VS |
3535 | struct intel_plane *intel_plane; |
3536 | ||
af2b653b MR |
3537 | drm_for_each_legacy_plane(plane, &dev->mode_config.plane_list) { |
3538 | intel_plane = to_intel_plane(plane); | |
bb53d4ae VS |
3539 | if (intel_plane->pipe == pipe) |
3540 | intel_plane_disable(&intel_plane->base); | |
af2b653b | 3541 | } |
bb53d4ae VS |
3542 | } |
3543 | ||
20bc8673 | 3544 | void hsw_enable_ips(struct intel_crtc *crtc) |
d77e4531 PZ |
3545 | { |
3546 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; | |
3547 | ||
3548 | if (!crtc->config.ips_enabled) | |
3549 | return; | |
3550 | ||
3551 | /* We can only enable IPS after we enable a plane and wait for a vblank. | |
3552 | * We guarantee that the plane is enabled by calling intel_enable_ips | |
3553 | * only after intel_enable_plane. And intel_enable_plane already waits | |
3554 | * for a vblank, so all we need to do here is to enable the IPS bit. */ | |
3555 | assert_plane_enabled(dev_priv, crtc->plane); | |
2a114cc1 BW |
3556 | if (IS_BROADWELL(crtc->base.dev)) { |
3557 | mutex_lock(&dev_priv->rps.hw_lock); | |
3558 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0xc0000000)); | |
3559 | mutex_unlock(&dev_priv->rps.hw_lock); | |
3560 | /* Quoting Art Runyan: "its not safe to expect any particular | |
3561 | * value in IPS_CTL bit 31 after enabling IPS through the | |
e59150dc JB |
3562 | * mailbox." Moreover, the mailbox may return a bogus state, |
3563 | * so we need to just enable it and continue on. | |
2a114cc1 BW |
3564 | */ |
3565 | } else { | |
3566 | I915_WRITE(IPS_CTL, IPS_ENABLE); | |
3567 | /* The bit only becomes 1 in the next vblank, so this wait here | |
3568 | * is essentially intel_wait_for_vblank. If we don't have this | |
3569 | * and don't wait for vblanks until the end of crtc_enable, then | |
3570 | * the HW state readout code will complain that the expected | |
3571 | * IPS_CTL value is not the one we read. */ | |
3572 | if (wait_for(I915_READ_NOTRACE(IPS_CTL) & IPS_ENABLE, 50)) | |
3573 | DRM_ERROR("Timed out waiting for IPS enable\n"); | |
3574 | } | |
d77e4531 PZ |
3575 | } |
3576 | ||
20bc8673 | 3577 | void hsw_disable_ips(struct intel_crtc *crtc) |
d77e4531 PZ |
3578 | { |
3579 | struct drm_device *dev = crtc->base.dev; | |
3580 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3581 | ||
3582 | if (!crtc->config.ips_enabled) | |
3583 | return; | |
3584 | ||
3585 | assert_plane_enabled(dev_priv, crtc->plane); | |
2a114cc1 BW |
3586 | if (IS_BROADWELL(crtc->base.dev)) { |
3587 | mutex_lock(&dev_priv->rps.hw_lock); | |
3588 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0)); | |
3589 | mutex_unlock(&dev_priv->rps.hw_lock); | |
e59150dc | 3590 | } else { |
2a114cc1 | 3591 | I915_WRITE(IPS_CTL, 0); |
e59150dc JB |
3592 | POSTING_READ(IPS_CTL); |
3593 | } | |
d77e4531 PZ |
3594 | |
3595 | /* We need to wait for a vblank before we can disable the plane. */ | |
3596 | intel_wait_for_vblank(dev, crtc->pipe); | |
3597 | } | |
3598 | ||
3599 | /** Loads the palette/gamma unit for the CRTC with the prepared values */ | |
3600 | static void intel_crtc_load_lut(struct drm_crtc *crtc) | |
3601 | { | |
3602 | struct drm_device *dev = crtc->dev; | |
3603 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3604 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3605 | enum pipe pipe = intel_crtc->pipe; | |
3606 | int palreg = PALETTE(pipe); | |
3607 | int i; | |
3608 | bool reenable_ips = false; | |
3609 | ||
3610 | /* The clocks have to be on to load the palette. */ | |
3611 | if (!crtc->enabled || !intel_crtc->active) | |
3612 | return; | |
3613 | ||
3614 | if (!HAS_PCH_SPLIT(dev_priv->dev)) { | |
3615 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI)) | |
3616 | assert_dsi_pll_enabled(dev_priv); | |
3617 | else | |
3618 | assert_pll_enabled(dev_priv, pipe); | |
3619 | } | |
3620 | ||
3621 | /* use legacy palette for Ironlake */ | |
3622 | if (HAS_PCH_SPLIT(dev)) | |
3623 | palreg = LGC_PALETTE(pipe); | |
3624 | ||
3625 | /* Workaround : Do not read or write the pipe palette/gamma data while | |
3626 | * GAMMA_MODE is configured for split gamma and IPS_CTL has IPS enabled. | |
3627 | */ | |
41e6fc4c | 3628 | if (IS_HASWELL(dev) && intel_crtc->config.ips_enabled && |
d77e4531 PZ |
3629 | ((I915_READ(GAMMA_MODE(pipe)) & GAMMA_MODE_MODE_MASK) == |
3630 | GAMMA_MODE_MODE_SPLIT)) { | |
3631 | hsw_disable_ips(intel_crtc); | |
3632 | reenable_ips = true; | |
3633 | } | |
3634 | ||
3635 | for (i = 0; i < 256; i++) { | |
3636 | I915_WRITE(palreg + 4 * i, | |
3637 | (intel_crtc->lut_r[i] << 16) | | |
3638 | (intel_crtc->lut_g[i] << 8) | | |
3639 | intel_crtc->lut_b[i]); | |
3640 | } | |
3641 | ||
3642 | if (reenable_ips) | |
3643 | hsw_enable_ips(intel_crtc); | |
3644 | } | |
3645 | ||
f67a559d JB |
3646 | static void ironlake_crtc_enable(struct drm_crtc *crtc) |
3647 | { | |
3648 | struct drm_device *dev = crtc->dev; | |
3649 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3650 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 3651 | struct intel_encoder *encoder; |
f67a559d JB |
3652 | int pipe = intel_crtc->pipe; |
3653 | int plane = intel_crtc->plane; | |
f67a559d | 3654 | |
08a48469 DV |
3655 | WARN_ON(!crtc->enabled); |
3656 | ||
f67a559d JB |
3657 | if (intel_crtc->active) |
3658 | return; | |
3659 | ||
3660 | intel_crtc->active = true; | |
8664281b PZ |
3661 | |
3662 | intel_set_cpu_fifo_underrun_reporting(dev, pipe, true); | |
3663 | intel_set_pch_fifo_underrun_reporting(dev, pipe, true); | |
3664 | ||
f6736a1a | 3665 | for_each_encoder_on_crtc(dev, crtc, encoder) |
952735ee DV |
3666 | if (encoder->pre_enable) |
3667 | encoder->pre_enable(encoder); | |
f67a559d | 3668 | |
5bfe2ac0 | 3669 | if (intel_crtc->config.has_pch_encoder) { |
fff367c7 DV |
3670 | /* Note: FDI PLL enabling _must_ be done before we enable the |
3671 | * cpu pipes, hence this is separate from all the other fdi/pch | |
3672 | * enabling. */ | |
88cefb6c | 3673 | ironlake_fdi_pll_enable(intel_crtc); |
46b6f814 DV |
3674 | } else { |
3675 | assert_fdi_tx_disabled(dev_priv, pipe); | |
3676 | assert_fdi_rx_disabled(dev_priv, pipe); | |
3677 | } | |
f67a559d | 3678 | |
b074cec8 | 3679 | ironlake_pfit_enable(intel_crtc); |
f67a559d | 3680 | |
9c54c0dd JB |
3681 | /* |
3682 | * On ILK+ LUT must be loaded before the pipe is running but with | |
3683 | * clocks enabled | |
3684 | */ | |
3685 | intel_crtc_load_lut(crtc); | |
3686 | ||
f37fcc2a | 3687 | intel_update_watermarks(crtc); |
e1fdc473 | 3688 | intel_enable_pipe(intel_crtc); |
262ca2b0 | 3689 | intel_enable_primary_hw_plane(dev_priv, plane, pipe); |
bb53d4ae | 3690 | intel_enable_planes(crtc); |
5c38d48c | 3691 | intel_crtc_update_cursor(crtc, true); |
f67a559d | 3692 | |
5bfe2ac0 | 3693 | if (intel_crtc->config.has_pch_encoder) |
f67a559d | 3694 | ironlake_pch_enable(crtc); |
c98e9dcf | 3695 | |
d1ebd816 | 3696 | mutex_lock(&dev->struct_mutex); |
bed4a673 | 3697 | intel_update_fbc(dev); |
d1ebd816 BW |
3698 | mutex_unlock(&dev->struct_mutex); |
3699 | ||
fa5c73b1 DV |
3700 | for_each_encoder_on_crtc(dev, crtc, encoder) |
3701 | encoder->enable(encoder); | |
61b77ddd DV |
3702 | |
3703 | if (HAS_PCH_CPT(dev)) | |
a1520318 | 3704 | cpt_verify_modeset(dev, intel_crtc->pipe); |
6ce94100 DV |
3705 | |
3706 | /* | |
3707 | * There seems to be a race in PCH platform hw (at least on some | |
3708 | * outputs) where an enabled pipe still completes any pageflip right | |
3709 | * away (as if the pipe is off) instead of waiting for vblank. As soon | |
3710 | * as the first vblank happend, everything works as expected. Hence just | |
3711 | * wait for one vblank before returning to avoid strange things | |
3712 | * happening. | |
3713 | */ | |
3714 | intel_wait_for_vblank(dev, intel_crtc->pipe); | |
6be4a607 JB |
3715 | } |
3716 | ||
42db64ef PZ |
3717 | /* IPS only exists on ULT machines and is tied to pipe A. */ |
3718 | static bool hsw_crtc_supports_ips(struct intel_crtc *crtc) | |
3719 | { | |
f5adf94e | 3720 | return HAS_IPS(crtc->base.dev) && crtc->pipe == PIPE_A; |
42db64ef PZ |
3721 | } |
3722 | ||
dda9a66a VS |
3723 | static void haswell_crtc_enable_planes(struct drm_crtc *crtc) |
3724 | { | |
3725 | struct drm_device *dev = crtc->dev; | |
3726 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3727 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3728 | int pipe = intel_crtc->pipe; | |
3729 | int plane = intel_crtc->plane; | |
3730 | ||
262ca2b0 | 3731 | intel_enable_primary_hw_plane(dev_priv, plane, pipe); |
dda9a66a VS |
3732 | intel_enable_planes(crtc); |
3733 | intel_crtc_update_cursor(crtc, true); | |
3734 | ||
3735 | hsw_enable_ips(intel_crtc); | |
3736 | ||
3737 | mutex_lock(&dev->struct_mutex); | |
3738 | intel_update_fbc(dev); | |
3739 | mutex_unlock(&dev->struct_mutex); | |
3740 | } | |
3741 | ||
3742 | static void haswell_crtc_disable_planes(struct drm_crtc *crtc) | |
3743 | { | |
3744 | struct drm_device *dev = crtc->dev; | |
3745 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3746 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3747 | int pipe = intel_crtc->pipe; | |
3748 | int plane = intel_crtc->plane; | |
3749 | ||
3750 | intel_crtc_wait_for_pending_flips(crtc); | |
3751 | drm_vblank_off(dev, pipe); | |
3752 | ||
3753 | /* FBC must be disabled before disabling the plane on HSW. */ | |
3754 | if (dev_priv->fbc.plane == plane) | |
3755 | intel_disable_fbc(dev); | |
3756 | ||
3757 | hsw_disable_ips(intel_crtc); | |
3758 | ||
3759 | intel_crtc_update_cursor(crtc, false); | |
3760 | intel_disable_planes(crtc); | |
262ca2b0 | 3761 | intel_disable_primary_hw_plane(dev_priv, plane, pipe); |
dda9a66a VS |
3762 | } |
3763 | ||
e4916946 PZ |
3764 | /* |
3765 | * This implements the workaround described in the "notes" section of the mode | |
3766 | * set sequence documentation. When going from no pipes or single pipe to | |
3767 | * multiple pipes, and planes are enabled after the pipe, we need to wait at | |
3768 | * least 2 vblanks on the first pipe before enabling planes on the second pipe. | |
3769 | */ | |
3770 | static void haswell_mode_set_planes_workaround(struct intel_crtc *crtc) | |
3771 | { | |
3772 | struct drm_device *dev = crtc->base.dev; | |
3773 | struct intel_crtc *crtc_it, *other_active_crtc = NULL; | |
3774 | ||
3775 | /* We want to get the other_active_crtc only if there's only 1 other | |
3776 | * active crtc. */ | |
3777 | list_for_each_entry(crtc_it, &dev->mode_config.crtc_list, base.head) { | |
3778 | if (!crtc_it->active || crtc_it == crtc) | |
3779 | continue; | |
3780 | ||
3781 | if (other_active_crtc) | |
3782 | return; | |
3783 | ||
3784 | other_active_crtc = crtc_it; | |
3785 | } | |
3786 | if (!other_active_crtc) | |
3787 | return; | |
3788 | ||
3789 | intel_wait_for_vblank(dev, other_active_crtc->pipe); | |
3790 | intel_wait_for_vblank(dev, other_active_crtc->pipe); | |
3791 | } | |
3792 | ||
4f771f10 PZ |
3793 | static void haswell_crtc_enable(struct drm_crtc *crtc) |
3794 | { | |
3795 | struct drm_device *dev = crtc->dev; | |
3796 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3797 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3798 | struct intel_encoder *encoder; | |
3799 | int pipe = intel_crtc->pipe; | |
4f771f10 PZ |
3800 | |
3801 | WARN_ON(!crtc->enabled); | |
3802 | ||
3803 | if (intel_crtc->active) | |
3804 | return; | |
3805 | ||
3806 | intel_crtc->active = true; | |
8664281b PZ |
3807 | |
3808 | intel_set_cpu_fifo_underrun_reporting(dev, pipe, true); | |
3809 | if (intel_crtc->config.has_pch_encoder) | |
3810 | intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, true); | |
3811 | ||
5bfe2ac0 | 3812 | if (intel_crtc->config.has_pch_encoder) |
04945641 | 3813 | dev_priv->display.fdi_link_train(crtc); |
4f771f10 PZ |
3814 | |
3815 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
3816 | if (encoder->pre_enable) | |
3817 | encoder->pre_enable(encoder); | |
3818 | ||
1f544388 | 3819 | intel_ddi_enable_pipe_clock(intel_crtc); |
4f771f10 | 3820 | |
b074cec8 | 3821 | ironlake_pfit_enable(intel_crtc); |
4f771f10 PZ |
3822 | |
3823 | /* | |
3824 | * On ILK+ LUT must be loaded before the pipe is running but with | |
3825 | * clocks enabled | |
3826 | */ | |
3827 | intel_crtc_load_lut(crtc); | |
3828 | ||
1f544388 | 3829 | intel_ddi_set_pipe_settings(crtc); |
8228c251 | 3830 | intel_ddi_enable_transcoder_func(crtc); |
4f771f10 | 3831 | |
f37fcc2a | 3832 | intel_update_watermarks(crtc); |
e1fdc473 | 3833 | intel_enable_pipe(intel_crtc); |
42db64ef | 3834 | |
5bfe2ac0 | 3835 | if (intel_crtc->config.has_pch_encoder) |
1507e5bd | 3836 | lpt_pch_enable(crtc); |
4f771f10 | 3837 | |
8807e55b | 3838 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
4f771f10 | 3839 | encoder->enable(encoder); |
8807e55b JN |
3840 | intel_opregion_notify_encoder(encoder, true); |
3841 | } | |
4f771f10 | 3842 | |
e4916946 PZ |
3843 | /* If we change the relative order between pipe/planes enabling, we need |
3844 | * to change the workaround. */ | |
3845 | haswell_mode_set_planes_workaround(intel_crtc); | |
dda9a66a | 3846 | haswell_crtc_enable_planes(crtc); |
4f771f10 PZ |
3847 | } |
3848 | ||
3f8dce3a DV |
3849 | static void ironlake_pfit_disable(struct intel_crtc *crtc) |
3850 | { | |
3851 | struct drm_device *dev = crtc->base.dev; | |
3852 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3853 | int pipe = crtc->pipe; | |
3854 | ||
3855 | /* To avoid upsetting the power well on haswell only disable the pfit if | |
3856 | * it's in use. The hw state code will make sure we get this right. */ | |
fd4daa9c | 3857 | if (crtc->config.pch_pfit.enabled) { |
3f8dce3a DV |
3858 | I915_WRITE(PF_CTL(pipe), 0); |
3859 | I915_WRITE(PF_WIN_POS(pipe), 0); | |
3860 | I915_WRITE(PF_WIN_SZ(pipe), 0); | |
3861 | } | |
3862 | } | |
3863 | ||
6be4a607 JB |
3864 | static void ironlake_crtc_disable(struct drm_crtc *crtc) |
3865 | { | |
3866 | struct drm_device *dev = crtc->dev; | |
3867 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3868 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 3869 | struct intel_encoder *encoder; |
6be4a607 JB |
3870 | int pipe = intel_crtc->pipe; |
3871 | int plane = intel_crtc->plane; | |
5eddb70b | 3872 | u32 reg, temp; |
b52eb4dc | 3873 | |
ef9c3aee | 3874 | |
f7abfe8b CW |
3875 | if (!intel_crtc->active) |
3876 | return; | |
3877 | ||
ea9d758d DV |
3878 | for_each_encoder_on_crtc(dev, crtc, encoder) |
3879 | encoder->disable(encoder); | |
3880 | ||
e6c3a2a6 | 3881 | intel_crtc_wait_for_pending_flips(crtc); |
6be4a607 | 3882 | drm_vblank_off(dev, pipe); |
913d8d11 | 3883 | |
5c3fe8b0 | 3884 | if (dev_priv->fbc.plane == plane) |
973d04f9 | 3885 | intel_disable_fbc(dev); |
2c07245f | 3886 | |
0d5b8c61 | 3887 | intel_crtc_update_cursor(crtc, false); |
bb53d4ae | 3888 | intel_disable_planes(crtc); |
262ca2b0 | 3889 | intel_disable_primary_hw_plane(dev_priv, plane, pipe); |
0d5b8c61 | 3890 | |
d925c59a DV |
3891 | if (intel_crtc->config.has_pch_encoder) |
3892 | intel_set_pch_fifo_underrun_reporting(dev, pipe, false); | |
3893 | ||
b24e7179 | 3894 | intel_disable_pipe(dev_priv, pipe); |
32f9d658 | 3895 | |
3f8dce3a | 3896 | ironlake_pfit_disable(intel_crtc); |
2c07245f | 3897 | |
bf49ec8c DV |
3898 | for_each_encoder_on_crtc(dev, crtc, encoder) |
3899 | if (encoder->post_disable) | |
3900 | encoder->post_disable(encoder); | |
2c07245f | 3901 | |
d925c59a DV |
3902 | if (intel_crtc->config.has_pch_encoder) { |
3903 | ironlake_fdi_disable(crtc); | |
913d8d11 | 3904 | |
d925c59a DV |
3905 | ironlake_disable_pch_transcoder(dev_priv, pipe); |
3906 | intel_set_pch_fifo_underrun_reporting(dev, pipe, true); | |
6be4a607 | 3907 | |
d925c59a DV |
3908 | if (HAS_PCH_CPT(dev)) { |
3909 | /* disable TRANS_DP_CTL */ | |
3910 | reg = TRANS_DP_CTL(pipe); | |
3911 | temp = I915_READ(reg); | |
3912 | temp &= ~(TRANS_DP_OUTPUT_ENABLE | | |
3913 | TRANS_DP_PORT_SEL_MASK); | |
3914 | temp |= TRANS_DP_PORT_SEL_NONE; | |
3915 | I915_WRITE(reg, temp); | |
3916 | ||
3917 | /* disable DPLL_SEL */ | |
3918 | temp = I915_READ(PCH_DPLL_SEL); | |
11887397 | 3919 | temp &= ~(TRANS_DPLL_ENABLE(pipe) | TRANS_DPLLB_SEL(pipe)); |
d925c59a | 3920 | I915_WRITE(PCH_DPLL_SEL, temp); |
9db4a9c7 | 3921 | } |
e3421a18 | 3922 | |
d925c59a | 3923 | /* disable PCH DPLL */ |
e72f9fbf | 3924 | intel_disable_shared_dpll(intel_crtc); |
8db9d77b | 3925 | |
d925c59a DV |
3926 | ironlake_fdi_pll_disable(intel_crtc); |
3927 | } | |
6b383a7f | 3928 | |
f7abfe8b | 3929 | intel_crtc->active = false; |
46ba614c | 3930 | intel_update_watermarks(crtc); |
d1ebd816 BW |
3931 | |
3932 | mutex_lock(&dev->struct_mutex); | |
6b383a7f | 3933 | intel_update_fbc(dev); |
d1ebd816 | 3934 | mutex_unlock(&dev->struct_mutex); |
6be4a607 | 3935 | } |
1b3c7a47 | 3936 | |
4f771f10 | 3937 | static void haswell_crtc_disable(struct drm_crtc *crtc) |
ee7b9f93 | 3938 | { |
4f771f10 PZ |
3939 | struct drm_device *dev = crtc->dev; |
3940 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ee7b9f93 | 3941 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4f771f10 PZ |
3942 | struct intel_encoder *encoder; |
3943 | int pipe = intel_crtc->pipe; | |
3b117c8f | 3944 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
ee7b9f93 | 3945 | |
4f771f10 PZ |
3946 | if (!intel_crtc->active) |
3947 | return; | |
3948 | ||
dda9a66a VS |
3949 | haswell_crtc_disable_planes(crtc); |
3950 | ||
8807e55b JN |
3951 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
3952 | intel_opregion_notify_encoder(encoder, false); | |
4f771f10 | 3953 | encoder->disable(encoder); |
8807e55b | 3954 | } |
4f771f10 | 3955 | |
8664281b PZ |
3956 | if (intel_crtc->config.has_pch_encoder) |
3957 | intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, false); | |
4f771f10 PZ |
3958 | intel_disable_pipe(dev_priv, pipe); |
3959 | ||
ad80a810 | 3960 | intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder); |
4f771f10 | 3961 | |
3f8dce3a | 3962 | ironlake_pfit_disable(intel_crtc); |
4f771f10 | 3963 | |
1f544388 | 3964 | intel_ddi_disable_pipe_clock(intel_crtc); |
4f771f10 PZ |
3965 | |
3966 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
3967 | if (encoder->post_disable) | |
3968 | encoder->post_disable(encoder); | |
3969 | ||
88adfff1 | 3970 | if (intel_crtc->config.has_pch_encoder) { |
ab4d966c | 3971 | lpt_disable_pch_transcoder(dev_priv); |
8664281b | 3972 | intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, true); |
1ad960f2 | 3973 | intel_ddi_fdi_disable(crtc); |
83616634 | 3974 | } |
4f771f10 PZ |
3975 | |
3976 | intel_crtc->active = false; | |
46ba614c | 3977 | intel_update_watermarks(crtc); |
4f771f10 PZ |
3978 | |
3979 | mutex_lock(&dev->struct_mutex); | |
3980 | intel_update_fbc(dev); | |
3981 | mutex_unlock(&dev->struct_mutex); | |
3982 | } | |
3983 | ||
ee7b9f93 JB |
3984 | static void ironlake_crtc_off(struct drm_crtc *crtc) |
3985 | { | |
3986 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
e72f9fbf | 3987 | intel_put_shared_dpll(intel_crtc); |
ee7b9f93 JB |
3988 | } |
3989 | ||
6441ab5f PZ |
3990 | static void haswell_crtc_off(struct drm_crtc *crtc) |
3991 | { | |
3992 | intel_ddi_put_crtc_pll(crtc); | |
3993 | } | |
3994 | ||
02e792fb DV |
3995 | static void intel_crtc_dpms_overlay(struct intel_crtc *intel_crtc, bool enable) |
3996 | { | |
02e792fb | 3997 | if (!enable && intel_crtc->overlay) { |
23f09ce3 | 3998 | struct drm_device *dev = intel_crtc->base.dev; |
ce453d81 | 3999 | struct drm_i915_private *dev_priv = dev->dev_private; |
03f77ea5 | 4000 | |
23f09ce3 | 4001 | mutex_lock(&dev->struct_mutex); |
ce453d81 CW |
4002 | dev_priv->mm.interruptible = false; |
4003 | (void) intel_overlay_switch_off(intel_crtc->overlay); | |
4004 | dev_priv->mm.interruptible = true; | |
23f09ce3 | 4005 | mutex_unlock(&dev->struct_mutex); |
02e792fb | 4006 | } |
02e792fb | 4007 | |
5dcdbcb0 CW |
4008 | /* Let userspace switch the overlay on again. In most cases userspace |
4009 | * has to recompute where to put it anyway. | |
4010 | */ | |
02e792fb DV |
4011 | } |
4012 | ||
61bc95c1 EE |
4013 | /** |
4014 | * i9xx_fixup_plane - ugly workaround for G45 to fire up the hardware | |
4015 | * cursor plane briefly if not already running after enabling the display | |
4016 | * plane. | |
4017 | * This workaround avoids occasional blank screens when self refresh is | |
4018 | * enabled. | |
4019 | */ | |
4020 | static void | |
4021 | g4x_fixup_plane(struct drm_i915_private *dev_priv, enum pipe pipe) | |
4022 | { | |
4023 | u32 cntl = I915_READ(CURCNTR(pipe)); | |
4024 | ||
4025 | if ((cntl & CURSOR_MODE) == 0) { | |
4026 | u32 fw_bcl_self = I915_READ(FW_BLC_SELF); | |
4027 | ||
4028 | I915_WRITE(FW_BLC_SELF, fw_bcl_self & ~FW_BLC_SELF_EN); | |
4029 | I915_WRITE(CURCNTR(pipe), CURSOR_MODE_64_ARGB_AX); | |
4030 | intel_wait_for_vblank(dev_priv->dev, pipe); | |
4031 | I915_WRITE(CURCNTR(pipe), cntl); | |
4032 | I915_WRITE(CURBASE(pipe), I915_READ(CURBASE(pipe))); | |
4033 | I915_WRITE(FW_BLC_SELF, fw_bcl_self); | |
4034 | } | |
4035 | } | |
4036 | ||
2dd24552 JB |
4037 | static void i9xx_pfit_enable(struct intel_crtc *crtc) |
4038 | { | |
4039 | struct drm_device *dev = crtc->base.dev; | |
4040 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4041 | struct intel_crtc_config *pipe_config = &crtc->config; | |
4042 | ||
328d8e82 | 4043 | if (!crtc->config.gmch_pfit.control) |
2dd24552 JB |
4044 | return; |
4045 | ||
2dd24552 | 4046 | /* |
c0b03411 DV |
4047 | * The panel fitter should only be adjusted whilst the pipe is disabled, |
4048 | * according to register description and PRM. | |
2dd24552 | 4049 | */ |
c0b03411 DV |
4050 | WARN_ON(I915_READ(PFIT_CONTROL) & PFIT_ENABLE); |
4051 | assert_pipe_disabled(dev_priv, crtc->pipe); | |
2dd24552 | 4052 | |
b074cec8 JB |
4053 | I915_WRITE(PFIT_PGM_RATIOS, pipe_config->gmch_pfit.pgm_ratios); |
4054 | I915_WRITE(PFIT_CONTROL, pipe_config->gmch_pfit.control); | |
5a80c45c DV |
4055 | |
4056 | /* Border color in case we don't scale up to the full screen. Black by | |
4057 | * default, change to something else for debugging. */ | |
4058 | I915_WRITE(BCLRPAT(crtc->pipe), 0); | |
2dd24552 JB |
4059 | } |
4060 | ||
77d22dca ID |
4061 | #define for_each_power_domain(domain, mask) \ |
4062 | for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \ | |
4063 | if ((1 << (domain)) & (mask)) | |
4064 | ||
319be8ae ID |
4065 | enum intel_display_power_domain |
4066 | intel_display_port_power_domain(struct intel_encoder *intel_encoder) | |
4067 | { | |
4068 | struct drm_device *dev = intel_encoder->base.dev; | |
4069 | struct intel_digital_port *intel_dig_port; | |
4070 | ||
4071 | switch (intel_encoder->type) { | |
4072 | case INTEL_OUTPUT_UNKNOWN: | |
4073 | /* Only DDI platforms should ever use this output type */ | |
4074 | WARN_ON_ONCE(!HAS_DDI(dev)); | |
4075 | case INTEL_OUTPUT_DISPLAYPORT: | |
4076 | case INTEL_OUTPUT_HDMI: | |
4077 | case INTEL_OUTPUT_EDP: | |
4078 | intel_dig_port = enc_to_dig_port(&intel_encoder->base); | |
4079 | switch (intel_dig_port->port) { | |
4080 | case PORT_A: | |
4081 | return POWER_DOMAIN_PORT_DDI_A_4_LANES; | |
4082 | case PORT_B: | |
4083 | return POWER_DOMAIN_PORT_DDI_B_4_LANES; | |
4084 | case PORT_C: | |
4085 | return POWER_DOMAIN_PORT_DDI_C_4_LANES; | |
4086 | case PORT_D: | |
4087 | return POWER_DOMAIN_PORT_DDI_D_4_LANES; | |
4088 | default: | |
4089 | WARN_ON_ONCE(1); | |
4090 | return POWER_DOMAIN_PORT_OTHER; | |
4091 | } | |
4092 | case INTEL_OUTPUT_ANALOG: | |
4093 | return POWER_DOMAIN_PORT_CRT; | |
4094 | case INTEL_OUTPUT_DSI: | |
4095 | return POWER_DOMAIN_PORT_DSI; | |
4096 | default: | |
4097 | return POWER_DOMAIN_PORT_OTHER; | |
4098 | } | |
4099 | } | |
4100 | ||
4101 | static unsigned long get_crtc_power_domains(struct drm_crtc *crtc) | |
77d22dca | 4102 | { |
319be8ae ID |
4103 | struct drm_device *dev = crtc->dev; |
4104 | struct intel_encoder *intel_encoder; | |
4105 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4106 | enum pipe pipe = intel_crtc->pipe; | |
4107 | bool pfit_enabled = intel_crtc->config.pch_pfit.enabled; | |
77d22dca ID |
4108 | unsigned long mask; |
4109 | enum transcoder transcoder; | |
4110 | ||
4111 | transcoder = intel_pipe_to_cpu_transcoder(dev->dev_private, pipe); | |
4112 | ||
4113 | mask = BIT(POWER_DOMAIN_PIPE(pipe)); | |
4114 | mask |= BIT(POWER_DOMAIN_TRANSCODER(transcoder)); | |
4115 | if (pfit_enabled) | |
4116 | mask |= BIT(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe)); | |
4117 | ||
319be8ae ID |
4118 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) |
4119 | mask |= BIT(intel_display_port_power_domain(intel_encoder)); | |
4120 | ||
77d22dca ID |
4121 | return mask; |
4122 | } | |
4123 | ||
4124 | void intel_display_set_init_power(struct drm_i915_private *dev_priv, | |
4125 | bool enable) | |
4126 | { | |
4127 | if (dev_priv->power_domains.init_power_on == enable) | |
4128 | return; | |
4129 | ||
4130 | if (enable) | |
4131 | intel_display_power_get(dev_priv, POWER_DOMAIN_INIT); | |
4132 | else | |
4133 | intel_display_power_put(dev_priv, POWER_DOMAIN_INIT); | |
4134 | ||
4135 | dev_priv->power_domains.init_power_on = enable; | |
4136 | } | |
4137 | ||
4138 | static void modeset_update_crtc_power_domains(struct drm_device *dev) | |
4139 | { | |
4140 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4141 | unsigned long pipe_domains[I915_MAX_PIPES] = { 0, }; | |
4142 | struct intel_crtc *crtc; | |
4143 | ||
4144 | /* | |
4145 | * First get all needed power domains, then put all unneeded, to avoid | |
4146 | * any unnecessary toggling of the power wells. | |
4147 | */ | |
4148 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) { | |
4149 | enum intel_display_power_domain domain; | |
4150 | ||
4151 | if (!crtc->base.enabled) | |
4152 | continue; | |
4153 | ||
319be8ae | 4154 | pipe_domains[crtc->pipe] = get_crtc_power_domains(&crtc->base); |
77d22dca ID |
4155 | |
4156 | for_each_power_domain(domain, pipe_domains[crtc->pipe]) | |
4157 | intel_display_power_get(dev_priv, domain); | |
4158 | } | |
4159 | ||
4160 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) { | |
4161 | enum intel_display_power_domain domain; | |
4162 | ||
4163 | for_each_power_domain(domain, crtc->enabled_power_domains) | |
4164 | intel_display_power_put(dev_priv, domain); | |
4165 | ||
4166 | crtc->enabled_power_domains = pipe_domains[crtc->pipe]; | |
4167 | } | |
4168 | ||
4169 | intel_display_set_init_power(dev_priv, false); | |
4170 | } | |
4171 | ||
586f49dc | 4172 | int valleyview_get_vco(struct drm_i915_private *dev_priv) |
30a970c6 | 4173 | { |
586f49dc | 4174 | int hpll_freq, vco_freq[] = { 800, 1600, 2000, 2400 }; |
30a970c6 | 4175 | |
586f49dc JB |
4176 | /* Obtain SKU information */ |
4177 | mutex_lock(&dev_priv->dpio_lock); | |
4178 | hpll_freq = vlv_cck_read(dev_priv, CCK_FUSE_REG) & | |
4179 | CCK_FUSE_HPLL_FREQ_MASK; | |
4180 | mutex_unlock(&dev_priv->dpio_lock); | |
30a970c6 | 4181 | |
586f49dc | 4182 | return vco_freq[hpll_freq]; |
30a970c6 JB |
4183 | } |
4184 | ||
4185 | /* Adjust CDclk dividers to allow high res or save power if possible */ | |
4186 | static void valleyview_set_cdclk(struct drm_device *dev, int cdclk) | |
4187 | { | |
4188 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4189 | u32 val, cmd; | |
4190 | ||
d60c4473 ID |
4191 | WARN_ON(valleyview_cur_cdclk(dev_priv) != dev_priv->vlv_cdclk_freq); |
4192 | dev_priv->vlv_cdclk_freq = cdclk; | |
4193 | ||
30a970c6 JB |
4194 | if (cdclk >= 320) /* jump to highest voltage for 400MHz too */ |
4195 | cmd = 2; | |
4196 | else if (cdclk == 266) | |
4197 | cmd = 1; | |
4198 | else | |
4199 | cmd = 0; | |
4200 | ||
4201 | mutex_lock(&dev_priv->rps.hw_lock); | |
4202 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); | |
4203 | val &= ~DSPFREQGUAR_MASK; | |
4204 | val |= (cmd << DSPFREQGUAR_SHIFT); | |
4205 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); | |
4206 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & | |
4207 | DSPFREQSTAT_MASK) == (cmd << DSPFREQSTAT_SHIFT), | |
4208 | 50)) { | |
4209 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
4210 | } | |
4211 | mutex_unlock(&dev_priv->rps.hw_lock); | |
4212 | ||
4213 | if (cdclk == 400) { | |
4214 | u32 divider, vco; | |
4215 | ||
4216 | vco = valleyview_get_vco(dev_priv); | |
4217 | divider = ((vco << 1) / cdclk) - 1; | |
4218 | ||
4219 | mutex_lock(&dev_priv->dpio_lock); | |
4220 | /* adjust cdclk divider */ | |
4221 | val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); | |
4222 | val &= ~0xf; | |
4223 | val |= divider; | |
4224 | vlv_cck_write(dev_priv, CCK_DISPLAY_CLOCK_CONTROL, val); | |
4225 | mutex_unlock(&dev_priv->dpio_lock); | |
4226 | } | |
4227 | ||
4228 | mutex_lock(&dev_priv->dpio_lock); | |
4229 | /* adjust self-refresh exit latency value */ | |
4230 | val = vlv_bunit_read(dev_priv, BUNIT_REG_BISOC); | |
4231 | val &= ~0x7f; | |
4232 | ||
4233 | /* | |
4234 | * For high bandwidth configs, we set a higher latency in the bunit | |
4235 | * so that the core display fetch happens in time to avoid underruns. | |
4236 | */ | |
4237 | if (cdclk == 400) | |
4238 | val |= 4500 / 250; /* 4.5 usec */ | |
4239 | else | |
4240 | val |= 3000 / 250; /* 3.0 usec */ | |
4241 | vlv_bunit_write(dev_priv, BUNIT_REG_BISOC, val); | |
4242 | mutex_unlock(&dev_priv->dpio_lock); | |
4243 | ||
4244 | /* Since we changed the CDclk, we need to update the GMBUSFREQ too */ | |
4245 | intel_i2c_reset(dev); | |
4246 | } | |
4247 | ||
d60c4473 | 4248 | int valleyview_cur_cdclk(struct drm_i915_private *dev_priv) |
30a970c6 JB |
4249 | { |
4250 | int cur_cdclk, vco; | |
4251 | int divider; | |
4252 | ||
4253 | vco = valleyview_get_vco(dev_priv); | |
4254 | ||
4255 | mutex_lock(&dev_priv->dpio_lock); | |
4256 | divider = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); | |
4257 | mutex_unlock(&dev_priv->dpio_lock); | |
4258 | ||
4259 | divider &= 0xf; | |
4260 | ||
4261 | cur_cdclk = (vco << 1) / (divider + 1); | |
4262 | ||
4263 | return cur_cdclk; | |
4264 | } | |
4265 | ||
4266 | static int valleyview_calc_cdclk(struct drm_i915_private *dev_priv, | |
4267 | int max_pixclk) | |
4268 | { | |
30a970c6 JB |
4269 | /* |
4270 | * Really only a few cases to deal with, as only 4 CDclks are supported: | |
4271 | * 200MHz | |
4272 | * 267MHz | |
4273 | * 320MHz | |
4274 | * 400MHz | |
4275 | * So we check to see whether we're above 90% of the lower bin and | |
4276 | * adjust if needed. | |
4277 | */ | |
4278 | if (max_pixclk > 288000) { | |
4279 | return 400; | |
4280 | } else if (max_pixclk > 240000) { | |
4281 | return 320; | |
4282 | } else | |
4283 | return 266; | |
4284 | /* Looks like the 200MHz CDclk freq doesn't work on some configs */ | |
4285 | } | |
4286 | ||
2f2d7aa1 VS |
4287 | /* compute the max pixel clock for new configuration */ |
4288 | static int intel_mode_max_pixclk(struct drm_i915_private *dev_priv) | |
30a970c6 JB |
4289 | { |
4290 | struct drm_device *dev = dev_priv->dev; | |
4291 | struct intel_crtc *intel_crtc; | |
4292 | int max_pixclk = 0; | |
4293 | ||
4294 | list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, | |
4295 | base.head) { | |
2f2d7aa1 | 4296 | if (intel_crtc->new_enabled) |
30a970c6 | 4297 | max_pixclk = max(max_pixclk, |
2f2d7aa1 | 4298 | intel_crtc->new_config->adjusted_mode.crtc_clock); |
30a970c6 JB |
4299 | } |
4300 | ||
4301 | return max_pixclk; | |
4302 | } | |
4303 | ||
4304 | static void valleyview_modeset_global_pipes(struct drm_device *dev, | |
2f2d7aa1 | 4305 | unsigned *prepare_pipes) |
30a970c6 JB |
4306 | { |
4307 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4308 | struct intel_crtc *intel_crtc; | |
2f2d7aa1 | 4309 | int max_pixclk = intel_mode_max_pixclk(dev_priv); |
30a970c6 | 4310 | |
d60c4473 ID |
4311 | if (valleyview_calc_cdclk(dev_priv, max_pixclk) == |
4312 | dev_priv->vlv_cdclk_freq) | |
30a970c6 JB |
4313 | return; |
4314 | ||
2f2d7aa1 | 4315 | /* disable/enable all currently active pipes while we change cdclk */ |
30a970c6 JB |
4316 | list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, |
4317 | base.head) | |
4318 | if (intel_crtc->base.enabled) | |
4319 | *prepare_pipes |= (1 << intel_crtc->pipe); | |
4320 | } | |
4321 | ||
4322 | static void valleyview_modeset_global_resources(struct drm_device *dev) | |
4323 | { | |
4324 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2f2d7aa1 | 4325 | int max_pixclk = intel_mode_max_pixclk(dev_priv); |
30a970c6 JB |
4326 | int req_cdclk = valleyview_calc_cdclk(dev_priv, max_pixclk); |
4327 | ||
d60c4473 | 4328 | if (req_cdclk != dev_priv->vlv_cdclk_freq) |
30a970c6 | 4329 | valleyview_set_cdclk(dev, req_cdclk); |
77961eb9 | 4330 | modeset_update_crtc_power_domains(dev); |
30a970c6 JB |
4331 | } |
4332 | ||
89b667f8 JB |
4333 | static void valleyview_crtc_enable(struct drm_crtc *crtc) |
4334 | { | |
4335 | struct drm_device *dev = crtc->dev; | |
4336 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4337 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4338 | struct intel_encoder *encoder; | |
4339 | int pipe = intel_crtc->pipe; | |
4340 | int plane = intel_crtc->plane; | |
23538ef1 | 4341 | bool is_dsi; |
89b667f8 JB |
4342 | |
4343 | WARN_ON(!crtc->enabled); | |
4344 | ||
4345 | if (intel_crtc->active) | |
4346 | return; | |
4347 | ||
4348 | intel_crtc->active = true; | |
89b667f8 | 4349 | |
89b667f8 JB |
4350 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4351 | if (encoder->pre_pll_enable) | |
4352 | encoder->pre_pll_enable(encoder); | |
4353 | ||
23538ef1 JN |
4354 | is_dsi = intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI); |
4355 | ||
e9fd1c02 JN |
4356 | if (!is_dsi) |
4357 | vlv_enable_pll(intel_crtc); | |
89b667f8 JB |
4358 | |
4359 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
4360 | if (encoder->pre_enable) | |
4361 | encoder->pre_enable(encoder); | |
4362 | ||
2dd24552 JB |
4363 | i9xx_pfit_enable(intel_crtc); |
4364 | ||
63cbb074 VS |
4365 | intel_crtc_load_lut(crtc); |
4366 | ||
f37fcc2a | 4367 | intel_update_watermarks(crtc); |
e1fdc473 | 4368 | intel_enable_pipe(intel_crtc); |
2d9d2b0b | 4369 | intel_set_cpu_fifo_underrun_reporting(dev, pipe, true); |
262ca2b0 | 4370 | intel_enable_primary_hw_plane(dev_priv, plane, pipe); |
bb53d4ae | 4371 | intel_enable_planes(crtc); |
5c38d48c | 4372 | intel_crtc_update_cursor(crtc, true); |
89b667f8 | 4373 | |
89b667f8 | 4374 | intel_update_fbc(dev); |
5004945f JN |
4375 | |
4376 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
4377 | encoder->enable(encoder); | |
89b667f8 JB |
4378 | } |
4379 | ||
0b8765c6 | 4380 | static void i9xx_crtc_enable(struct drm_crtc *crtc) |
79e53945 JB |
4381 | { |
4382 | struct drm_device *dev = crtc->dev; | |
79e53945 JB |
4383 | struct drm_i915_private *dev_priv = dev->dev_private; |
4384 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 4385 | struct intel_encoder *encoder; |
79e53945 | 4386 | int pipe = intel_crtc->pipe; |
80824003 | 4387 | int plane = intel_crtc->plane; |
79e53945 | 4388 | |
08a48469 DV |
4389 | WARN_ON(!crtc->enabled); |
4390 | ||
f7abfe8b CW |
4391 | if (intel_crtc->active) |
4392 | return; | |
4393 | ||
4394 | intel_crtc->active = true; | |
6b383a7f | 4395 | |
9d6d9f19 MK |
4396 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4397 | if (encoder->pre_enable) | |
4398 | encoder->pre_enable(encoder); | |
4399 | ||
f6736a1a DV |
4400 | i9xx_enable_pll(intel_crtc); |
4401 | ||
2dd24552 JB |
4402 | i9xx_pfit_enable(intel_crtc); |
4403 | ||
63cbb074 VS |
4404 | intel_crtc_load_lut(crtc); |
4405 | ||
f37fcc2a | 4406 | intel_update_watermarks(crtc); |
e1fdc473 | 4407 | intel_enable_pipe(intel_crtc); |
2d9d2b0b | 4408 | intel_set_cpu_fifo_underrun_reporting(dev, pipe, true); |
262ca2b0 | 4409 | intel_enable_primary_hw_plane(dev_priv, plane, pipe); |
bb53d4ae | 4410 | intel_enable_planes(crtc); |
22e407d7 | 4411 | /* The fixup needs to happen before cursor is enabled */ |
61bc95c1 EE |
4412 | if (IS_G4X(dev)) |
4413 | g4x_fixup_plane(dev_priv, pipe); | |
22e407d7 | 4414 | intel_crtc_update_cursor(crtc, true); |
79e53945 | 4415 | |
0b8765c6 JB |
4416 | /* Give the overlay scaler a chance to enable if it's on this pipe */ |
4417 | intel_crtc_dpms_overlay(intel_crtc, true); | |
ef9c3aee | 4418 | |
f440eb13 | 4419 | intel_update_fbc(dev); |
ef9c3aee | 4420 | |
fa5c73b1 DV |
4421 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4422 | encoder->enable(encoder); | |
0b8765c6 | 4423 | } |
79e53945 | 4424 | |
87476d63 DV |
4425 | static void i9xx_pfit_disable(struct intel_crtc *crtc) |
4426 | { | |
4427 | struct drm_device *dev = crtc->base.dev; | |
4428 | struct drm_i915_private *dev_priv = dev->dev_private; | |
87476d63 | 4429 | |
328d8e82 DV |
4430 | if (!crtc->config.gmch_pfit.control) |
4431 | return; | |
87476d63 | 4432 | |
328d8e82 | 4433 | assert_pipe_disabled(dev_priv, crtc->pipe); |
87476d63 | 4434 | |
328d8e82 DV |
4435 | DRM_DEBUG_DRIVER("disabling pfit, current: 0x%08x\n", |
4436 | I915_READ(PFIT_CONTROL)); | |
4437 | I915_WRITE(PFIT_CONTROL, 0); | |
87476d63 DV |
4438 | } |
4439 | ||
0b8765c6 JB |
4440 | static void i9xx_crtc_disable(struct drm_crtc *crtc) |
4441 | { | |
4442 | struct drm_device *dev = crtc->dev; | |
4443 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4444 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 4445 | struct intel_encoder *encoder; |
0b8765c6 JB |
4446 | int pipe = intel_crtc->pipe; |
4447 | int plane = intel_crtc->plane; | |
ef9c3aee | 4448 | |
f7abfe8b CW |
4449 | if (!intel_crtc->active) |
4450 | return; | |
4451 | ||
ea9d758d DV |
4452 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4453 | encoder->disable(encoder); | |
4454 | ||
0b8765c6 | 4455 | /* Give the overlay scaler a chance to disable if it's on this pipe */ |
e6c3a2a6 CW |
4456 | intel_crtc_wait_for_pending_flips(crtc); |
4457 | drm_vblank_off(dev, pipe); | |
0b8765c6 | 4458 | |
5c3fe8b0 | 4459 | if (dev_priv->fbc.plane == plane) |
973d04f9 | 4460 | intel_disable_fbc(dev); |
79e53945 | 4461 | |
0d5b8c61 VS |
4462 | intel_crtc_dpms_overlay(intel_crtc, false); |
4463 | intel_crtc_update_cursor(crtc, false); | |
bb53d4ae | 4464 | intel_disable_planes(crtc); |
262ca2b0 | 4465 | intel_disable_primary_hw_plane(dev_priv, plane, pipe); |
0d5b8c61 | 4466 | |
2d9d2b0b | 4467 | intel_set_cpu_fifo_underrun_reporting(dev, pipe, false); |
b24e7179 | 4468 | intel_disable_pipe(dev_priv, pipe); |
24a1f16d | 4469 | |
87476d63 | 4470 | i9xx_pfit_disable(intel_crtc); |
24a1f16d | 4471 | |
89b667f8 JB |
4472 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4473 | if (encoder->post_disable) | |
4474 | encoder->post_disable(encoder); | |
4475 | ||
f6071166 JB |
4476 | if (IS_VALLEYVIEW(dev) && !intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI)) |
4477 | vlv_disable_pll(dev_priv, pipe); | |
4478 | else if (!IS_VALLEYVIEW(dev)) | |
e9fd1c02 | 4479 | i9xx_disable_pll(dev_priv, pipe); |
0b8765c6 | 4480 | |
f7abfe8b | 4481 | intel_crtc->active = false; |
46ba614c | 4482 | intel_update_watermarks(crtc); |
f37fcc2a | 4483 | |
6b383a7f | 4484 | intel_update_fbc(dev); |
0b8765c6 JB |
4485 | } |
4486 | ||
ee7b9f93 JB |
4487 | static void i9xx_crtc_off(struct drm_crtc *crtc) |
4488 | { | |
4489 | } | |
4490 | ||
976f8a20 DV |
4491 | static void intel_crtc_update_sarea(struct drm_crtc *crtc, |
4492 | bool enabled) | |
2c07245f ZW |
4493 | { |
4494 | struct drm_device *dev = crtc->dev; | |
4495 | struct drm_i915_master_private *master_priv; | |
4496 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4497 | int pipe = intel_crtc->pipe; | |
79e53945 JB |
4498 | |
4499 | if (!dev->primary->master) | |
4500 | return; | |
4501 | ||
4502 | master_priv = dev->primary->master->driver_priv; | |
4503 | if (!master_priv->sarea_priv) | |
4504 | return; | |
4505 | ||
79e53945 JB |
4506 | switch (pipe) { |
4507 | case 0: | |
4508 | master_priv->sarea_priv->pipeA_w = enabled ? crtc->mode.hdisplay : 0; | |
4509 | master_priv->sarea_priv->pipeA_h = enabled ? crtc->mode.vdisplay : 0; | |
4510 | break; | |
4511 | case 1: | |
4512 | master_priv->sarea_priv->pipeB_w = enabled ? crtc->mode.hdisplay : 0; | |
4513 | master_priv->sarea_priv->pipeB_h = enabled ? crtc->mode.vdisplay : 0; | |
4514 | break; | |
4515 | default: | |
9db4a9c7 | 4516 | DRM_ERROR("Can't update pipe %c in SAREA\n", pipe_name(pipe)); |
79e53945 JB |
4517 | break; |
4518 | } | |
79e53945 JB |
4519 | } |
4520 | ||
976f8a20 DV |
4521 | /** |
4522 | * Sets the power management mode of the pipe and plane. | |
4523 | */ | |
4524 | void intel_crtc_update_dpms(struct drm_crtc *crtc) | |
4525 | { | |
4526 | struct drm_device *dev = crtc->dev; | |
4527 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4528 | struct intel_encoder *intel_encoder; | |
4529 | bool enable = false; | |
4530 | ||
4531 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) | |
4532 | enable |= intel_encoder->connectors_active; | |
4533 | ||
4534 | if (enable) | |
4535 | dev_priv->display.crtc_enable(crtc); | |
4536 | else | |
4537 | dev_priv->display.crtc_disable(crtc); | |
4538 | ||
4539 | intel_crtc_update_sarea(crtc, enable); | |
4540 | } | |
4541 | ||
cdd59983 CW |
4542 | static void intel_crtc_disable(struct drm_crtc *crtc) |
4543 | { | |
cdd59983 | 4544 | struct drm_device *dev = crtc->dev; |
976f8a20 | 4545 | struct drm_connector *connector; |
ee7b9f93 | 4546 | struct drm_i915_private *dev_priv = dev->dev_private; |
7b9f35a6 | 4547 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
cdd59983 | 4548 | |
976f8a20 DV |
4549 | /* crtc should still be enabled when we disable it. */ |
4550 | WARN_ON(!crtc->enabled); | |
4551 | ||
4552 | dev_priv->display.crtc_disable(crtc); | |
c77bf565 | 4553 | intel_crtc->eld_vld = false; |
976f8a20 | 4554 | intel_crtc_update_sarea(crtc, false); |
ee7b9f93 JB |
4555 | dev_priv->display.off(crtc); |
4556 | ||
931872fc | 4557 | assert_plane_disabled(dev->dev_private, to_intel_crtc(crtc)->plane); |
93ce0ba6 | 4558 | assert_cursor_disabled(dev_priv, to_intel_crtc(crtc)->pipe); |
931872fc | 4559 | assert_pipe_disabled(dev->dev_private, to_intel_crtc(crtc)->pipe); |
cdd59983 | 4560 | |
f4510a27 | 4561 | if (crtc->primary->fb) { |
cdd59983 | 4562 | mutex_lock(&dev->struct_mutex); |
f4510a27 | 4563 | intel_unpin_fb_obj(to_intel_framebuffer(crtc->primary->fb)->obj); |
cdd59983 | 4564 | mutex_unlock(&dev->struct_mutex); |
f4510a27 | 4565 | crtc->primary->fb = NULL; |
976f8a20 DV |
4566 | } |
4567 | ||
4568 | /* Update computed state. */ | |
4569 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
4570 | if (!connector->encoder || !connector->encoder->crtc) | |
4571 | continue; | |
4572 | ||
4573 | if (connector->encoder->crtc != crtc) | |
4574 | continue; | |
4575 | ||
4576 | connector->dpms = DRM_MODE_DPMS_OFF; | |
4577 | to_intel_encoder(connector->encoder)->connectors_active = false; | |
cdd59983 CW |
4578 | } |
4579 | } | |
4580 | ||
ea5b213a | 4581 | void intel_encoder_destroy(struct drm_encoder *encoder) |
7e7d76c3 | 4582 | { |
4ef69c7a | 4583 | struct intel_encoder *intel_encoder = to_intel_encoder(encoder); |
ea5b213a | 4584 | |
ea5b213a CW |
4585 | drm_encoder_cleanup(encoder); |
4586 | kfree(intel_encoder); | |
7e7d76c3 JB |
4587 | } |
4588 | ||
9237329d | 4589 | /* Simple dpms helper for encoders with just one connector, no cloning and only |
5ab432ef DV |
4590 | * one kind of off state. It clamps all !ON modes to fully OFF and changes the |
4591 | * state of the entire output pipe. */ | |
9237329d | 4592 | static void intel_encoder_dpms(struct intel_encoder *encoder, int mode) |
7e7d76c3 | 4593 | { |
5ab432ef DV |
4594 | if (mode == DRM_MODE_DPMS_ON) { |
4595 | encoder->connectors_active = true; | |
4596 | ||
b2cabb0e | 4597 | intel_crtc_update_dpms(encoder->base.crtc); |
5ab432ef DV |
4598 | } else { |
4599 | encoder->connectors_active = false; | |
4600 | ||
b2cabb0e | 4601 | intel_crtc_update_dpms(encoder->base.crtc); |
5ab432ef | 4602 | } |
79e53945 JB |
4603 | } |
4604 | ||
0a91ca29 DV |
4605 | /* Cross check the actual hw state with our own modeset state tracking (and it's |
4606 | * internal consistency). */ | |
b980514c | 4607 | static void intel_connector_check_state(struct intel_connector *connector) |
79e53945 | 4608 | { |
0a91ca29 DV |
4609 | if (connector->get_hw_state(connector)) { |
4610 | struct intel_encoder *encoder = connector->encoder; | |
4611 | struct drm_crtc *crtc; | |
4612 | bool encoder_enabled; | |
4613 | enum pipe pipe; | |
4614 | ||
4615 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", | |
4616 | connector->base.base.id, | |
4617 | drm_get_connector_name(&connector->base)); | |
4618 | ||
4619 | WARN(connector->base.dpms == DRM_MODE_DPMS_OFF, | |
4620 | "wrong connector dpms state\n"); | |
4621 | WARN(connector->base.encoder != &encoder->base, | |
4622 | "active connector not linked to encoder\n"); | |
4623 | WARN(!encoder->connectors_active, | |
4624 | "encoder->connectors_active not set\n"); | |
4625 | ||
4626 | encoder_enabled = encoder->get_hw_state(encoder, &pipe); | |
4627 | WARN(!encoder_enabled, "encoder not enabled\n"); | |
4628 | if (WARN_ON(!encoder->base.crtc)) | |
4629 | return; | |
4630 | ||
4631 | crtc = encoder->base.crtc; | |
4632 | ||
4633 | WARN(!crtc->enabled, "crtc not enabled\n"); | |
4634 | WARN(!to_intel_crtc(crtc)->active, "crtc not active\n"); | |
4635 | WARN(pipe != to_intel_crtc(crtc)->pipe, | |
4636 | "encoder active on the wrong pipe\n"); | |
4637 | } | |
79e53945 JB |
4638 | } |
4639 | ||
5ab432ef DV |
4640 | /* Even simpler default implementation, if there's really no special case to |
4641 | * consider. */ | |
4642 | void intel_connector_dpms(struct drm_connector *connector, int mode) | |
79e53945 | 4643 | { |
5ab432ef DV |
4644 | /* All the simple cases only support two dpms states. */ |
4645 | if (mode != DRM_MODE_DPMS_ON) | |
4646 | mode = DRM_MODE_DPMS_OFF; | |
d4270e57 | 4647 | |
5ab432ef DV |
4648 | if (mode == connector->dpms) |
4649 | return; | |
4650 | ||
4651 | connector->dpms = mode; | |
4652 | ||
4653 | /* Only need to change hw state when actually enabled */ | |
c9976dcf CW |
4654 | if (connector->encoder) |
4655 | intel_encoder_dpms(to_intel_encoder(connector->encoder), mode); | |
0a91ca29 | 4656 | |
b980514c | 4657 | intel_modeset_check_state(connector->dev); |
79e53945 JB |
4658 | } |
4659 | ||
f0947c37 DV |
4660 | /* Simple connector->get_hw_state implementation for encoders that support only |
4661 | * one connector and no cloning and hence the encoder state determines the state | |
4662 | * of the connector. */ | |
4663 | bool intel_connector_get_hw_state(struct intel_connector *connector) | |
ea5b213a | 4664 | { |
24929352 | 4665 | enum pipe pipe = 0; |
f0947c37 | 4666 | struct intel_encoder *encoder = connector->encoder; |
ea5b213a | 4667 | |
f0947c37 | 4668 | return encoder->get_hw_state(encoder, &pipe); |
ea5b213a CW |
4669 | } |
4670 | ||
1857e1da DV |
4671 | static bool ironlake_check_fdi_lanes(struct drm_device *dev, enum pipe pipe, |
4672 | struct intel_crtc_config *pipe_config) | |
4673 | { | |
4674 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4675 | struct intel_crtc *pipe_B_crtc = | |
4676 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_B]); | |
4677 | ||
4678 | DRM_DEBUG_KMS("checking fdi config on pipe %c, lanes %i\n", | |
4679 | pipe_name(pipe), pipe_config->fdi_lanes); | |
4680 | if (pipe_config->fdi_lanes > 4) { | |
4681 | DRM_DEBUG_KMS("invalid fdi lane config on pipe %c: %i lanes\n", | |
4682 | pipe_name(pipe), pipe_config->fdi_lanes); | |
4683 | return false; | |
4684 | } | |
4685 | ||
bafb6553 | 4686 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
1857e1da DV |
4687 | if (pipe_config->fdi_lanes > 2) { |
4688 | DRM_DEBUG_KMS("only 2 lanes on haswell, required: %i lanes\n", | |
4689 | pipe_config->fdi_lanes); | |
4690 | return false; | |
4691 | } else { | |
4692 | return true; | |
4693 | } | |
4694 | } | |
4695 | ||
4696 | if (INTEL_INFO(dev)->num_pipes == 2) | |
4697 | return true; | |
4698 | ||
4699 | /* Ivybridge 3 pipe is really complicated */ | |
4700 | switch (pipe) { | |
4701 | case PIPE_A: | |
4702 | return true; | |
4703 | case PIPE_B: | |
4704 | if (dev_priv->pipe_to_crtc_mapping[PIPE_C]->enabled && | |
4705 | pipe_config->fdi_lanes > 2) { | |
4706 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n", | |
4707 | pipe_name(pipe), pipe_config->fdi_lanes); | |
4708 | return false; | |
4709 | } | |
4710 | return true; | |
4711 | case PIPE_C: | |
1e833f40 | 4712 | if (!pipe_has_enabled_pch(pipe_B_crtc) || |
1857e1da DV |
4713 | pipe_B_crtc->config.fdi_lanes <= 2) { |
4714 | if (pipe_config->fdi_lanes > 2) { | |
4715 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n", | |
4716 | pipe_name(pipe), pipe_config->fdi_lanes); | |
4717 | return false; | |
4718 | } | |
4719 | } else { | |
4720 | DRM_DEBUG_KMS("fdi link B uses too many lanes to enable link C\n"); | |
4721 | return false; | |
4722 | } | |
4723 | return true; | |
4724 | default: | |
4725 | BUG(); | |
4726 | } | |
4727 | } | |
4728 | ||
e29c22c0 DV |
4729 | #define RETRY 1 |
4730 | static int ironlake_fdi_compute_config(struct intel_crtc *intel_crtc, | |
4731 | struct intel_crtc_config *pipe_config) | |
877d48d5 | 4732 | { |
1857e1da | 4733 | struct drm_device *dev = intel_crtc->base.dev; |
877d48d5 | 4734 | struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode; |
ff9a6750 | 4735 | int lane, link_bw, fdi_dotclock; |
e29c22c0 | 4736 | bool setup_ok, needs_recompute = false; |
877d48d5 | 4737 | |
e29c22c0 | 4738 | retry: |
877d48d5 DV |
4739 | /* FDI is a binary signal running at ~2.7GHz, encoding |
4740 | * each output octet as 10 bits. The actual frequency | |
4741 | * is stored as a divider into a 100MHz clock, and the | |
4742 | * mode pixel clock is stored in units of 1KHz. | |
4743 | * Hence the bw of each lane in terms of the mode signal | |
4744 | * is: | |
4745 | */ | |
4746 | link_bw = intel_fdi_link_freq(dev) * MHz(100)/KHz(1)/10; | |
4747 | ||
241bfc38 | 4748 | fdi_dotclock = adjusted_mode->crtc_clock; |
877d48d5 | 4749 | |
2bd89a07 | 4750 | lane = ironlake_get_lanes_required(fdi_dotclock, link_bw, |
877d48d5 DV |
4751 | pipe_config->pipe_bpp); |
4752 | ||
4753 | pipe_config->fdi_lanes = lane; | |
4754 | ||
2bd89a07 | 4755 | intel_link_compute_m_n(pipe_config->pipe_bpp, lane, fdi_dotclock, |
877d48d5 | 4756 | link_bw, &pipe_config->fdi_m_n); |
1857e1da | 4757 | |
e29c22c0 DV |
4758 | setup_ok = ironlake_check_fdi_lanes(intel_crtc->base.dev, |
4759 | intel_crtc->pipe, pipe_config); | |
4760 | if (!setup_ok && pipe_config->pipe_bpp > 6*3) { | |
4761 | pipe_config->pipe_bpp -= 2*3; | |
4762 | DRM_DEBUG_KMS("fdi link bw constraint, reducing pipe bpp to %i\n", | |
4763 | pipe_config->pipe_bpp); | |
4764 | needs_recompute = true; | |
4765 | pipe_config->bw_constrained = true; | |
4766 | ||
4767 | goto retry; | |
4768 | } | |
4769 | ||
4770 | if (needs_recompute) | |
4771 | return RETRY; | |
4772 | ||
4773 | return setup_ok ? 0 : -EINVAL; | |
877d48d5 DV |
4774 | } |
4775 | ||
42db64ef PZ |
4776 | static void hsw_compute_ips_config(struct intel_crtc *crtc, |
4777 | struct intel_crtc_config *pipe_config) | |
4778 | { | |
d330a953 | 4779 | pipe_config->ips_enabled = i915.enable_ips && |
3c4ca58c | 4780 | hsw_crtc_supports_ips(crtc) && |
b6dfdc9b | 4781 | pipe_config->pipe_bpp <= 24; |
42db64ef PZ |
4782 | } |
4783 | ||
a43f6e0f | 4784 | static int intel_crtc_compute_config(struct intel_crtc *crtc, |
e29c22c0 | 4785 | struct intel_crtc_config *pipe_config) |
79e53945 | 4786 | { |
a43f6e0f | 4787 | struct drm_device *dev = crtc->base.dev; |
b8cecdf5 | 4788 | struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode; |
89749350 | 4789 | |
ad3a4479 | 4790 | /* FIXME should check pixel clock limits on all platforms */ |
cf532bb2 VS |
4791 | if (INTEL_INFO(dev)->gen < 4) { |
4792 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4793 | int clock_limit = | |
4794 | dev_priv->display.get_display_clock_speed(dev); | |
4795 | ||
4796 | /* | |
4797 | * Enable pixel doubling when the dot clock | |
4798 | * is > 90% of the (display) core speed. | |
4799 | * | |
b397c96b VS |
4800 | * GDG double wide on either pipe, |
4801 | * otherwise pipe A only. | |
cf532bb2 | 4802 | */ |
b397c96b | 4803 | if ((crtc->pipe == PIPE_A || IS_I915G(dev)) && |
241bfc38 | 4804 | adjusted_mode->crtc_clock > clock_limit * 9 / 10) { |
ad3a4479 | 4805 | clock_limit *= 2; |
cf532bb2 | 4806 | pipe_config->double_wide = true; |
ad3a4479 VS |
4807 | } |
4808 | ||
241bfc38 | 4809 | if (adjusted_mode->crtc_clock > clock_limit * 9 / 10) |
e29c22c0 | 4810 | return -EINVAL; |
2c07245f | 4811 | } |
89749350 | 4812 | |
1d1d0e27 VS |
4813 | /* |
4814 | * Pipe horizontal size must be even in: | |
4815 | * - DVO ganged mode | |
4816 | * - LVDS dual channel mode | |
4817 | * - Double wide pipe | |
4818 | */ | |
4819 | if ((intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) && | |
4820 | intel_is_dual_link_lvds(dev)) || pipe_config->double_wide) | |
4821 | pipe_config->pipe_src_w &= ~1; | |
4822 | ||
8693a824 DL |
4823 | /* Cantiga+ cannot handle modes with a hsync front porch of 0. |
4824 | * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw. | |
44f46b42 CW |
4825 | */ |
4826 | if ((INTEL_INFO(dev)->gen > 4 || IS_G4X(dev)) && | |
4827 | adjusted_mode->hsync_start == adjusted_mode->hdisplay) | |
e29c22c0 | 4828 | return -EINVAL; |
44f46b42 | 4829 | |
bd080ee5 | 4830 | if ((IS_G4X(dev) || IS_VALLEYVIEW(dev)) && pipe_config->pipe_bpp > 10*3) { |
5d2d38dd | 4831 | pipe_config->pipe_bpp = 10*3; /* 12bpc is gen5+ */ |
bd080ee5 | 4832 | } else if (INTEL_INFO(dev)->gen <= 4 && pipe_config->pipe_bpp > 8*3) { |
5d2d38dd DV |
4833 | /* only a 8bpc pipe, with 6bpc dither through the panel fitter |
4834 | * for lvds. */ | |
4835 | pipe_config->pipe_bpp = 8*3; | |
4836 | } | |
4837 | ||
f5adf94e | 4838 | if (HAS_IPS(dev)) |
a43f6e0f DV |
4839 | hsw_compute_ips_config(crtc, pipe_config); |
4840 | ||
4841 | /* XXX: PCH clock sharing is done in ->mode_set, so make sure the old | |
4842 | * clock survives for now. */ | |
4843 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
4844 | pipe_config->shared_dpll = crtc->config.shared_dpll; | |
42db64ef | 4845 | |
877d48d5 | 4846 | if (pipe_config->has_pch_encoder) |
a43f6e0f | 4847 | return ironlake_fdi_compute_config(crtc, pipe_config); |
877d48d5 | 4848 | |
e29c22c0 | 4849 | return 0; |
79e53945 JB |
4850 | } |
4851 | ||
25eb05fc JB |
4852 | static int valleyview_get_display_clock_speed(struct drm_device *dev) |
4853 | { | |
4854 | return 400000; /* FIXME */ | |
4855 | } | |
4856 | ||
e70236a8 JB |
4857 | static int i945_get_display_clock_speed(struct drm_device *dev) |
4858 | { | |
4859 | return 400000; | |
4860 | } | |
79e53945 | 4861 | |
e70236a8 | 4862 | static int i915_get_display_clock_speed(struct drm_device *dev) |
79e53945 | 4863 | { |
e70236a8 JB |
4864 | return 333000; |
4865 | } | |
79e53945 | 4866 | |
e70236a8 JB |
4867 | static int i9xx_misc_get_display_clock_speed(struct drm_device *dev) |
4868 | { | |
4869 | return 200000; | |
4870 | } | |
79e53945 | 4871 | |
257a7ffc DV |
4872 | static int pnv_get_display_clock_speed(struct drm_device *dev) |
4873 | { | |
4874 | u16 gcfgc = 0; | |
4875 | ||
4876 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); | |
4877 | ||
4878 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
4879 | case GC_DISPLAY_CLOCK_267_MHZ_PNV: | |
4880 | return 267000; | |
4881 | case GC_DISPLAY_CLOCK_333_MHZ_PNV: | |
4882 | return 333000; | |
4883 | case GC_DISPLAY_CLOCK_444_MHZ_PNV: | |
4884 | return 444000; | |
4885 | case GC_DISPLAY_CLOCK_200_MHZ_PNV: | |
4886 | return 200000; | |
4887 | default: | |
4888 | DRM_ERROR("Unknown pnv display core clock 0x%04x\n", gcfgc); | |
4889 | case GC_DISPLAY_CLOCK_133_MHZ_PNV: | |
4890 | return 133000; | |
4891 | case GC_DISPLAY_CLOCK_167_MHZ_PNV: | |
4892 | return 167000; | |
4893 | } | |
4894 | } | |
4895 | ||
e70236a8 JB |
4896 | static int i915gm_get_display_clock_speed(struct drm_device *dev) |
4897 | { | |
4898 | u16 gcfgc = 0; | |
79e53945 | 4899 | |
e70236a8 JB |
4900 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); |
4901 | ||
4902 | if (gcfgc & GC_LOW_FREQUENCY_ENABLE) | |
4903 | return 133000; | |
4904 | else { | |
4905 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
4906 | case GC_DISPLAY_CLOCK_333_MHZ: | |
4907 | return 333000; | |
4908 | default: | |
4909 | case GC_DISPLAY_CLOCK_190_200_MHZ: | |
4910 | return 190000; | |
79e53945 | 4911 | } |
e70236a8 JB |
4912 | } |
4913 | } | |
4914 | ||
4915 | static int i865_get_display_clock_speed(struct drm_device *dev) | |
4916 | { | |
4917 | return 266000; | |
4918 | } | |
4919 | ||
4920 | static int i855_get_display_clock_speed(struct drm_device *dev) | |
4921 | { | |
4922 | u16 hpllcc = 0; | |
4923 | /* Assume that the hardware is in the high speed state. This | |
4924 | * should be the default. | |
4925 | */ | |
4926 | switch (hpllcc & GC_CLOCK_CONTROL_MASK) { | |
4927 | case GC_CLOCK_133_200: | |
4928 | case GC_CLOCK_100_200: | |
4929 | return 200000; | |
4930 | case GC_CLOCK_166_250: | |
4931 | return 250000; | |
4932 | case GC_CLOCK_100_133: | |
79e53945 | 4933 | return 133000; |
e70236a8 | 4934 | } |
79e53945 | 4935 | |
e70236a8 JB |
4936 | /* Shouldn't happen */ |
4937 | return 0; | |
4938 | } | |
79e53945 | 4939 | |
e70236a8 JB |
4940 | static int i830_get_display_clock_speed(struct drm_device *dev) |
4941 | { | |
4942 | return 133000; | |
79e53945 JB |
4943 | } |
4944 | ||
2c07245f | 4945 | static void |
a65851af | 4946 | intel_reduce_m_n_ratio(uint32_t *num, uint32_t *den) |
2c07245f | 4947 | { |
a65851af VS |
4948 | while (*num > DATA_LINK_M_N_MASK || |
4949 | *den > DATA_LINK_M_N_MASK) { | |
2c07245f ZW |
4950 | *num >>= 1; |
4951 | *den >>= 1; | |
4952 | } | |
4953 | } | |
4954 | ||
a65851af VS |
4955 | static void compute_m_n(unsigned int m, unsigned int n, |
4956 | uint32_t *ret_m, uint32_t *ret_n) | |
4957 | { | |
4958 | *ret_n = min_t(unsigned int, roundup_pow_of_two(n), DATA_LINK_N_MAX); | |
4959 | *ret_m = div_u64((uint64_t) m * *ret_n, n); | |
4960 | intel_reduce_m_n_ratio(ret_m, ret_n); | |
4961 | } | |
4962 | ||
e69d0bc1 DV |
4963 | void |
4964 | intel_link_compute_m_n(int bits_per_pixel, int nlanes, | |
4965 | int pixel_clock, int link_clock, | |
4966 | struct intel_link_m_n *m_n) | |
2c07245f | 4967 | { |
e69d0bc1 | 4968 | m_n->tu = 64; |
a65851af VS |
4969 | |
4970 | compute_m_n(bits_per_pixel * pixel_clock, | |
4971 | link_clock * nlanes * 8, | |
4972 | &m_n->gmch_m, &m_n->gmch_n); | |
4973 | ||
4974 | compute_m_n(pixel_clock, link_clock, | |
4975 | &m_n->link_m, &m_n->link_n); | |
2c07245f ZW |
4976 | } |
4977 | ||
a7615030 CW |
4978 | static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv) |
4979 | { | |
d330a953 JN |
4980 | if (i915.panel_use_ssc >= 0) |
4981 | return i915.panel_use_ssc != 0; | |
41aa3448 | 4982 | return dev_priv->vbt.lvds_use_ssc |
435793df | 4983 | && !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE); |
a7615030 CW |
4984 | } |
4985 | ||
c65d77d8 JB |
4986 | static int i9xx_get_refclk(struct drm_crtc *crtc, int num_connectors) |
4987 | { | |
4988 | struct drm_device *dev = crtc->dev; | |
4989 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4990 | int refclk; | |
4991 | ||
a0c4da24 | 4992 | if (IS_VALLEYVIEW(dev)) { |
9a0ea498 | 4993 | refclk = 100000; |
a0c4da24 | 4994 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) && |
c65d77d8 | 4995 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) { |
e91e941b VS |
4996 | refclk = dev_priv->vbt.lvds_ssc_freq; |
4997 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk); | |
c65d77d8 JB |
4998 | } else if (!IS_GEN2(dev)) { |
4999 | refclk = 96000; | |
5000 | } else { | |
5001 | refclk = 48000; | |
5002 | } | |
5003 | ||
5004 | return refclk; | |
5005 | } | |
5006 | ||
7429e9d4 | 5007 | static uint32_t pnv_dpll_compute_fp(struct dpll *dpll) |
c65d77d8 | 5008 | { |
7df00d7a | 5009 | return (1 << dpll->n) << 16 | dpll->m2; |
7429e9d4 | 5010 | } |
f47709a9 | 5011 | |
7429e9d4 DV |
5012 | static uint32_t i9xx_dpll_compute_fp(struct dpll *dpll) |
5013 | { | |
5014 | return dpll->n << 16 | dpll->m1 << 8 | dpll->m2; | |
c65d77d8 JB |
5015 | } |
5016 | ||
f47709a9 | 5017 | static void i9xx_update_pll_dividers(struct intel_crtc *crtc, |
a7516a05 JB |
5018 | intel_clock_t *reduced_clock) |
5019 | { | |
f47709a9 | 5020 | struct drm_device *dev = crtc->base.dev; |
a7516a05 | 5021 | struct drm_i915_private *dev_priv = dev->dev_private; |
f47709a9 | 5022 | int pipe = crtc->pipe; |
a7516a05 JB |
5023 | u32 fp, fp2 = 0; |
5024 | ||
5025 | if (IS_PINEVIEW(dev)) { | |
7429e9d4 | 5026 | fp = pnv_dpll_compute_fp(&crtc->config.dpll); |
a7516a05 | 5027 | if (reduced_clock) |
7429e9d4 | 5028 | fp2 = pnv_dpll_compute_fp(reduced_clock); |
a7516a05 | 5029 | } else { |
7429e9d4 | 5030 | fp = i9xx_dpll_compute_fp(&crtc->config.dpll); |
a7516a05 | 5031 | if (reduced_clock) |
7429e9d4 | 5032 | fp2 = i9xx_dpll_compute_fp(reduced_clock); |
a7516a05 JB |
5033 | } |
5034 | ||
5035 | I915_WRITE(FP0(pipe), fp); | |
8bcc2795 | 5036 | crtc->config.dpll_hw_state.fp0 = fp; |
a7516a05 | 5037 | |
f47709a9 DV |
5038 | crtc->lowfreq_avail = false; |
5039 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) && | |
d330a953 | 5040 | reduced_clock && i915.powersave) { |
a7516a05 | 5041 | I915_WRITE(FP1(pipe), fp2); |
8bcc2795 | 5042 | crtc->config.dpll_hw_state.fp1 = fp2; |
f47709a9 | 5043 | crtc->lowfreq_avail = true; |
a7516a05 JB |
5044 | } else { |
5045 | I915_WRITE(FP1(pipe), fp); | |
8bcc2795 | 5046 | crtc->config.dpll_hw_state.fp1 = fp; |
a7516a05 JB |
5047 | } |
5048 | } | |
5049 | ||
5e69f97f CML |
5050 | static void vlv_pllb_recal_opamp(struct drm_i915_private *dev_priv, enum pipe |
5051 | pipe) | |
89b667f8 JB |
5052 | { |
5053 | u32 reg_val; | |
5054 | ||
5055 | /* | |
5056 | * PLLB opamp always calibrates to max value of 0x3f, force enable it | |
5057 | * and set it to a reasonable value instead. | |
5058 | */ | |
ab3c759a | 5059 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
89b667f8 JB |
5060 | reg_val &= 0xffffff00; |
5061 | reg_val |= 0x00000030; | |
ab3c759a | 5062 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
89b667f8 | 5063 | |
ab3c759a | 5064 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
89b667f8 JB |
5065 | reg_val &= 0x8cffffff; |
5066 | reg_val = 0x8c000000; | |
ab3c759a | 5067 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
89b667f8 | 5068 | |
ab3c759a | 5069 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
89b667f8 | 5070 | reg_val &= 0xffffff00; |
ab3c759a | 5071 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
89b667f8 | 5072 | |
ab3c759a | 5073 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
89b667f8 JB |
5074 | reg_val &= 0x00ffffff; |
5075 | reg_val |= 0xb0000000; | |
ab3c759a | 5076 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
89b667f8 JB |
5077 | } |
5078 | ||
b551842d DV |
5079 | static void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc, |
5080 | struct intel_link_m_n *m_n) | |
5081 | { | |
5082 | struct drm_device *dev = crtc->base.dev; | |
5083 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5084 | int pipe = crtc->pipe; | |
5085 | ||
e3b95f1e DV |
5086 | I915_WRITE(PCH_TRANS_DATA_M1(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
5087 | I915_WRITE(PCH_TRANS_DATA_N1(pipe), m_n->gmch_n); | |
5088 | I915_WRITE(PCH_TRANS_LINK_M1(pipe), m_n->link_m); | |
5089 | I915_WRITE(PCH_TRANS_LINK_N1(pipe), m_n->link_n); | |
b551842d DV |
5090 | } |
5091 | ||
5092 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, | |
5093 | struct intel_link_m_n *m_n) | |
5094 | { | |
5095 | struct drm_device *dev = crtc->base.dev; | |
5096 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5097 | int pipe = crtc->pipe; | |
5098 | enum transcoder transcoder = crtc->config.cpu_transcoder; | |
5099 | ||
5100 | if (INTEL_INFO(dev)->gen >= 5) { | |
5101 | I915_WRITE(PIPE_DATA_M1(transcoder), TU_SIZE(m_n->tu) | m_n->gmch_m); | |
5102 | I915_WRITE(PIPE_DATA_N1(transcoder), m_n->gmch_n); | |
5103 | I915_WRITE(PIPE_LINK_M1(transcoder), m_n->link_m); | |
5104 | I915_WRITE(PIPE_LINK_N1(transcoder), m_n->link_n); | |
5105 | } else { | |
e3b95f1e DV |
5106 | I915_WRITE(PIPE_DATA_M_G4X(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
5107 | I915_WRITE(PIPE_DATA_N_G4X(pipe), m_n->gmch_n); | |
5108 | I915_WRITE(PIPE_LINK_M_G4X(pipe), m_n->link_m); | |
5109 | I915_WRITE(PIPE_LINK_N_G4X(pipe), m_n->link_n); | |
b551842d DV |
5110 | } |
5111 | } | |
5112 | ||
03afc4a2 DV |
5113 | static void intel_dp_set_m_n(struct intel_crtc *crtc) |
5114 | { | |
5115 | if (crtc->config.has_pch_encoder) | |
5116 | intel_pch_transcoder_set_m_n(crtc, &crtc->config.dp_m_n); | |
5117 | else | |
5118 | intel_cpu_transcoder_set_m_n(crtc, &crtc->config.dp_m_n); | |
5119 | } | |
5120 | ||
f47709a9 | 5121 | static void vlv_update_pll(struct intel_crtc *crtc) |
a0c4da24 | 5122 | { |
f47709a9 | 5123 | struct drm_device *dev = crtc->base.dev; |
a0c4da24 | 5124 | struct drm_i915_private *dev_priv = dev->dev_private; |
f47709a9 | 5125 | int pipe = crtc->pipe; |
89b667f8 | 5126 | u32 dpll, mdiv; |
a0c4da24 | 5127 | u32 bestn, bestm1, bestm2, bestp1, bestp2; |
198a037f | 5128 | u32 coreclk, reg_val, dpll_md; |
a0c4da24 | 5129 | |
09153000 DV |
5130 | mutex_lock(&dev_priv->dpio_lock); |
5131 | ||
f47709a9 DV |
5132 | bestn = crtc->config.dpll.n; |
5133 | bestm1 = crtc->config.dpll.m1; | |
5134 | bestm2 = crtc->config.dpll.m2; | |
5135 | bestp1 = crtc->config.dpll.p1; | |
5136 | bestp2 = crtc->config.dpll.p2; | |
a0c4da24 | 5137 | |
89b667f8 JB |
5138 | /* See eDP HDMI DPIO driver vbios notes doc */ |
5139 | ||
5140 | /* PLL B needs special handling */ | |
5141 | if (pipe) | |
5e69f97f | 5142 | vlv_pllb_recal_opamp(dev_priv, pipe); |
89b667f8 JB |
5143 | |
5144 | /* Set up Tx target for periodic Rcomp update */ | |
ab3c759a | 5145 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9_BCAST, 0x0100000f); |
89b667f8 JB |
5146 | |
5147 | /* Disable target IRef on PLL */ | |
ab3c759a | 5148 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW8(pipe)); |
89b667f8 | 5149 | reg_val &= 0x00ffffff; |
ab3c759a | 5150 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW8(pipe), reg_val); |
89b667f8 JB |
5151 | |
5152 | /* Disable fast lock */ | |
ab3c759a | 5153 | vlv_dpio_write(dev_priv, pipe, VLV_CMN_DW0, 0x610); |
89b667f8 JB |
5154 | |
5155 | /* Set idtafcrecal before PLL is enabled */ | |
a0c4da24 JB |
5156 | mdiv = ((bestm1 << DPIO_M1DIV_SHIFT) | (bestm2 & DPIO_M2DIV_MASK)); |
5157 | mdiv |= ((bestp1 << DPIO_P1_SHIFT) | (bestp2 << DPIO_P2_SHIFT)); | |
5158 | mdiv |= ((bestn << DPIO_N_SHIFT)); | |
a0c4da24 | 5159 | mdiv |= (1 << DPIO_K_SHIFT); |
7df5080b JB |
5160 | |
5161 | /* | |
5162 | * Post divider depends on pixel clock rate, DAC vs digital (and LVDS, | |
5163 | * but we don't support that). | |
5164 | * Note: don't use the DAC post divider as it seems unstable. | |
5165 | */ | |
5166 | mdiv |= (DPIO_POST_DIV_HDMIDP << DPIO_POST_DIV_SHIFT); | |
ab3c759a | 5167 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
a0c4da24 | 5168 | |
a0c4da24 | 5169 | mdiv |= DPIO_ENABLE_CALIBRATION; |
ab3c759a | 5170 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
a0c4da24 | 5171 | |
89b667f8 | 5172 | /* Set HBR and RBR LPF coefficients */ |
ff9a6750 | 5173 | if (crtc->config.port_clock == 162000 || |
99750bd4 | 5174 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_ANALOG) || |
89b667f8 | 5175 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI)) |
ab3c759a | 5176 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
885b0120 | 5177 | 0x009f0003); |
89b667f8 | 5178 | else |
ab3c759a | 5179 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
89b667f8 JB |
5180 | 0x00d0000f); |
5181 | ||
5182 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP) || | |
5183 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT)) { | |
5184 | /* Use SSC source */ | |
5185 | if (!pipe) | |
ab3c759a | 5186 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
5187 | 0x0df40000); |
5188 | else | |
ab3c759a | 5189 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
5190 | 0x0df70000); |
5191 | } else { /* HDMI or VGA */ | |
5192 | /* Use bend source */ | |
5193 | if (!pipe) | |
ab3c759a | 5194 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
5195 | 0x0df70000); |
5196 | else | |
ab3c759a | 5197 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
5198 | 0x0df40000); |
5199 | } | |
a0c4da24 | 5200 | |
ab3c759a | 5201 | coreclk = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW7(pipe)); |
89b667f8 JB |
5202 | coreclk = (coreclk & 0x0000ff00) | 0x01c00000; |
5203 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT) || | |
5204 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP)) | |
5205 | coreclk |= 0x01000000; | |
ab3c759a | 5206 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW7(pipe), coreclk); |
a0c4da24 | 5207 | |
ab3c759a | 5208 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW11(pipe), 0x87871000); |
a0c4da24 | 5209 | |
e5cbfbfb ID |
5210 | /* |
5211 | * Enable DPIO clock input. We should never disable the reference | |
5212 | * clock for pipe B, since VGA hotplug / manual detection depends | |
5213 | * on it. | |
5214 | */ | |
89b667f8 JB |
5215 | dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REFA_CLK_ENABLE_VLV | |
5216 | DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_CLOCK_VLV; | |
f6071166 JB |
5217 | /* We should never disable this, set it here for state tracking */ |
5218 | if (pipe == PIPE_B) | |
89b667f8 | 5219 | dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; |
a0c4da24 | 5220 | dpll |= DPLL_VCO_ENABLE; |
8bcc2795 DV |
5221 | crtc->config.dpll_hw_state.dpll = dpll; |
5222 | ||
ef1b460d DV |
5223 | dpll_md = (crtc->config.pixel_multiplier - 1) |
5224 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; | |
8bcc2795 DV |
5225 | crtc->config.dpll_hw_state.dpll_md = dpll_md; |
5226 | ||
09153000 | 5227 | mutex_unlock(&dev_priv->dpio_lock); |
a0c4da24 JB |
5228 | } |
5229 | ||
f47709a9 DV |
5230 | static void i9xx_update_pll(struct intel_crtc *crtc, |
5231 | intel_clock_t *reduced_clock, | |
eb1cbe48 DV |
5232 | int num_connectors) |
5233 | { | |
f47709a9 | 5234 | struct drm_device *dev = crtc->base.dev; |
eb1cbe48 | 5235 | struct drm_i915_private *dev_priv = dev->dev_private; |
eb1cbe48 DV |
5236 | u32 dpll; |
5237 | bool is_sdvo; | |
f47709a9 | 5238 | struct dpll *clock = &crtc->config.dpll; |
eb1cbe48 | 5239 | |
f47709a9 | 5240 | i9xx_update_pll_dividers(crtc, reduced_clock); |
2a8f64ca | 5241 | |
f47709a9 DV |
5242 | is_sdvo = intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_SDVO) || |
5243 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI); | |
eb1cbe48 DV |
5244 | |
5245 | dpll = DPLL_VGA_MODE_DIS; | |
5246 | ||
f47709a9 | 5247 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS)) |
eb1cbe48 DV |
5248 | dpll |= DPLLB_MODE_LVDS; |
5249 | else | |
5250 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
6cc5f341 | 5251 | |
ef1b460d | 5252 | if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
198a037f DV |
5253 | dpll |= (crtc->config.pixel_multiplier - 1) |
5254 | << SDVO_MULTIPLIER_SHIFT_HIRES; | |
eb1cbe48 | 5255 | } |
198a037f DV |
5256 | |
5257 | if (is_sdvo) | |
4a33e48d | 5258 | dpll |= DPLL_SDVO_HIGH_SPEED; |
198a037f | 5259 | |
f47709a9 | 5260 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT)) |
4a33e48d | 5261 | dpll |= DPLL_SDVO_HIGH_SPEED; |
eb1cbe48 DV |
5262 | |
5263 | /* compute bitmask from p1 value */ | |
5264 | if (IS_PINEVIEW(dev)) | |
5265 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW; | |
5266 | else { | |
5267 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
5268 | if (IS_G4X(dev) && reduced_clock) | |
5269 | dpll |= (1 << (reduced_clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; | |
5270 | } | |
5271 | switch (clock->p2) { | |
5272 | case 5: | |
5273 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
5274 | break; | |
5275 | case 7: | |
5276 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
5277 | break; | |
5278 | case 10: | |
5279 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
5280 | break; | |
5281 | case 14: | |
5282 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
5283 | break; | |
5284 | } | |
5285 | if (INTEL_INFO(dev)->gen >= 4) | |
5286 | dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); | |
5287 | ||
09ede541 | 5288 | if (crtc->config.sdvo_tv_clock) |
eb1cbe48 | 5289 | dpll |= PLL_REF_INPUT_TVCLKINBC; |
f47709a9 | 5290 | else if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) && |
eb1cbe48 DV |
5291 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
5292 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; | |
5293 | else | |
5294 | dpll |= PLL_REF_INPUT_DREFCLK; | |
5295 | ||
5296 | dpll |= DPLL_VCO_ENABLE; | |
8bcc2795 DV |
5297 | crtc->config.dpll_hw_state.dpll = dpll; |
5298 | ||
eb1cbe48 | 5299 | if (INTEL_INFO(dev)->gen >= 4) { |
ef1b460d DV |
5300 | u32 dpll_md = (crtc->config.pixel_multiplier - 1) |
5301 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; | |
8bcc2795 | 5302 | crtc->config.dpll_hw_state.dpll_md = dpll_md; |
eb1cbe48 DV |
5303 | } |
5304 | } | |
5305 | ||
f47709a9 | 5306 | static void i8xx_update_pll(struct intel_crtc *crtc, |
f47709a9 | 5307 | intel_clock_t *reduced_clock, |
eb1cbe48 DV |
5308 | int num_connectors) |
5309 | { | |
f47709a9 | 5310 | struct drm_device *dev = crtc->base.dev; |
eb1cbe48 | 5311 | struct drm_i915_private *dev_priv = dev->dev_private; |
eb1cbe48 | 5312 | u32 dpll; |
f47709a9 | 5313 | struct dpll *clock = &crtc->config.dpll; |
eb1cbe48 | 5314 | |
f47709a9 | 5315 | i9xx_update_pll_dividers(crtc, reduced_clock); |
2a8f64ca | 5316 | |
eb1cbe48 DV |
5317 | dpll = DPLL_VGA_MODE_DIS; |
5318 | ||
f47709a9 | 5319 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS)) { |
eb1cbe48 DV |
5320 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
5321 | } else { | |
5322 | if (clock->p1 == 2) | |
5323 | dpll |= PLL_P1_DIVIDE_BY_TWO; | |
5324 | else | |
5325 | dpll |= (clock->p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
5326 | if (clock->p2 == 4) | |
5327 | dpll |= PLL_P2_DIVIDE_BY_4; | |
5328 | } | |
5329 | ||
4a33e48d DV |
5330 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DVO)) |
5331 | dpll |= DPLL_DVO_2X_MODE; | |
5332 | ||
f47709a9 | 5333 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) && |
eb1cbe48 DV |
5334 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
5335 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; | |
5336 | else | |
5337 | dpll |= PLL_REF_INPUT_DREFCLK; | |
5338 | ||
5339 | dpll |= DPLL_VCO_ENABLE; | |
8bcc2795 | 5340 | crtc->config.dpll_hw_state.dpll = dpll; |
eb1cbe48 DV |
5341 | } |
5342 | ||
8a654f3b | 5343 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc) |
b0e77b9c PZ |
5344 | { |
5345 | struct drm_device *dev = intel_crtc->base.dev; | |
5346 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5347 | enum pipe pipe = intel_crtc->pipe; | |
3b117c8f | 5348 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
8a654f3b DV |
5349 | struct drm_display_mode *adjusted_mode = |
5350 | &intel_crtc->config.adjusted_mode; | |
1caea6e9 VS |
5351 | uint32_t crtc_vtotal, crtc_vblank_end; |
5352 | int vsyncshift = 0; | |
4d8a62ea DV |
5353 | |
5354 | /* We need to be careful not to changed the adjusted mode, for otherwise | |
5355 | * the hw state checker will get angry at the mismatch. */ | |
5356 | crtc_vtotal = adjusted_mode->crtc_vtotal; | |
5357 | crtc_vblank_end = adjusted_mode->crtc_vblank_end; | |
b0e77b9c | 5358 | |
609aeaca | 5359 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { |
b0e77b9c | 5360 | /* the chip adds 2 halflines automatically */ |
4d8a62ea DV |
5361 | crtc_vtotal -= 1; |
5362 | crtc_vblank_end -= 1; | |
609aeaca VS |
5363 | |
5364 | if (intel_pipe_has_type(&intel_crtc->base, INTEL_OUTPUT_SDVO)) | |
5365 | vsyncshift = (adjusted_mode->crtc_htotal - 1) / 2; | |
5366 | else | |
5367 | vsyncshift = adjusted_mode->crtc_hsync_start - | |
5368 | adjusted_mode->crtc_htotal / 2; | |
1caea6e9 VS |
5369 | if (vsyncshift < 0) |
5370 | vsyncshift += adjusted_mode->crtc_htotal; | |
b0e77b9c PZ |
5371 | } |
5372 | ||
5373 | if (INTEL_INFO(dev)->gen > 3) | |
fe2b8f9d | 5374 | I915_WRITE(VSYNCSHIFT(cpu_transcoder), vsyncshift); |
b0e77b9c | 5375 | |
fe2b8f9d | 5376 | I915_WRITE(HTOTAL(cpu_transcoder), |
b0e77b9c PZ |
5377 | (adjusted_mode->crtc_hdisplay - 1) | |
5378 | ((adjusted_mode->crtc_htotal - 1) << 16)); | |
fe2b8f9d | 5379 | I915_WRITE(HBLANK(cpu_transcoder), |
b0e77b9c PZ |
5380 | (adjusted_mode->crtc_hblank_start - 1) | |
5381 | ((adjusted_mode->crtc_hblank_end - 1) << 16)); | |
fe2b8f9d | 5382 | I915_WRITE(HSYNC(cpu_transcoder), |
b0e77b9c PZ |
5383 | (adjusted_mode->crtc_hsync_start - 1) | |
5384 | ((adjusted_mode->crtc_hsync_end - 1) << 16)); | |
5385 | ||
fe2b8f9d | 5386 | I915_WRITE(VTOTAL(cpu_transcoder), |
b0e77b9c | 5387 | (adjusted_mode->crtc_vdisplay - 1) | |
4d8a62ea | 5388 | ((crtc_vtotal - 1) << 16)); |
fe2b8f9d | 5389 | I915_WRITE(VBLANK(cpu_transcoder), |
b0e77b9c | 5390 | (adjusted_mode->crtc_vblank_start - 1) | |
4d8a62ea | 5391 | ((crtc_vblank_end - 1) << 16)); |
fe2b8f9d | 5392 | I915_WRITE(VSYNC(cpu_transcoder), |
b0e77b9c PZ |
5393 | (adjusted_mode->crtc_vsync_start - 1) | |
5394 | ((adjusted_mode->crtc_vsync_end - 1) << 16)); | |
5395 | ||
b5e508d4 PZ |
5396 | /* Workaround: when the EDP input selection is B, the VTOTAL_B must be |
5397 | * programmed with the VTOTAL_EDP value. Same for VTOTAL_C. This is | |
5398 | * documented on the DDI_FUNC_CTL register description, EDP Input Select | |
5399 | * bits. */ | |
5400 | if (IS_HASWELL(dev) && cpu_transcoder == TRANSCODER_EDP && | |
5401 | (pipe == PIPE_B || pipe == PIPE_C)) | |
5402 | I915_WRITE(VTOTAL(pipe), I915_READ(VTOTAL(cpu_transcoder))); | |
5403 | ||
b0e77b9c PZ |
5404 | /* pipesrc controls the size that is scaled from, which should |
5405 | * always be the user's requested size. | |
5406 | */ | |
5407 | I915_WRITE(PIPESRC(pipe), | |
37327abd VS |
5408 | ((intel_crtc->config.pipe_src_w - 1) << 16) | |
5409 | (intel_crtc->config.pipe_src_h - 1)); | |
b0e77b9c PZ |
5410 | } |
5411 | ||
1bd1bd80 DV |
5412 | static void intel_get_pipe_timings(struct intel_crtc *crtc, |
5413 | struct intel_crtc_config *pipe_config) | |
5414 | { | |
5415 | struct drm_device *dev = crtc->base.dev; | |
5416 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5417 | enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; | |
5418 | uint32_t tmp; | |
5419 | ||
5420 | tmp = I915_READ(HTOTAL(cpu_transcoder)); | |
5421 | pipe_config->adjusted_mode.crtc_hdisplay = (tmp & 0xffff) + 1; | |
5422 | pipe_config->adjusted_mode.crtc_htotal = ((tmp >> 16) & 0xffff) + 1; | |
5423 | tmp = I915_READ(HBLANK(cpu_transcoder)); | |
5424 | pipe_config->adjusted_mode.crtc_hblank_start = (tmp & 0xffff) + 1; | |
5425 | pipe_config->adjusted_mode.crtc_hblank_end = ((tmp >> 16) & 0xffff) + 1; | |
5426 | tmp = I915_READ(HSYNC(cpu_transcoder)); | |
5427 | pipe_config->adjusted_mode.crtc_hsync_start = (tmp & 0xffff) + 1; | |
5428 | pipe_config->adjusted_mode.crtc_hsync_end = ((tmp >> 16) & 0xffff) + 1; | |
5429 | ||
5430 | tmp = I915_READ(VTOTAL(cpu_transcoder)); | |
5431 | pipe_config->adjusted_mode.crtc_vdisplay = (tmp & 0xffff) + 1; | |
5432 | pipe_config->adjusted_mode.crtc_vtotal = ((tmp >> 16) & 0xffff) + 1; | |
5433 | tmp = I915_READ(VBLANK(cpu_transcoder)); | |
5434 | pipe_config->adjusted_mode.crtc_vblank_start = (tmp & 0xffff) + 1; | |
5435 | pipe_config->adjusted_mode.crtc_vblank_end = ((tmp >> 16) & 0xffff) + 1; | |
5436 | tmp = I915_READ(VSYNC(cpu_transcoder)); | |
5437 | pipe_config->adjusted_mode.crtc_vsync_start = (tmp & 0xffff) + 1; | |
5438 | pipe_config->adjusted_mode.crtc_vsync_end = ((tmp >> 16) & 0xffff) + 1; | |
5439 | ||
5440 | if (I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_INTERLACE_MASK) { | |
5441 | pipe_config->adjusted_mode.flags |= DRM_MODE_FLAG_INTERLACE; | |
5442 | pipe_config->adjusted_mode.crtc_vtotal += 1; | |
5443 | pipe_config->adjusted_mode.crtc_vblank_end += 1; | |
5444 | } | |
5445 | ||
5446 | tmp = I915_READ(PIPESRC(crtc->pipe)); | |
37327abd VS |
5447 | pipe_config->pipe_src_h = (tmp & 0xffff) + 1; |
5448 | pipe_config->pipe_src_w = ((tmp >> 16) & 0xffff) + 1; | |
5449 | ||
5450 | pipe_config->requested_mode.vdisplay = pipe_config->pipe_src_h; | |
5451 | pipe_config->requested_mode.hdisplay = pipe_config->pipe_src_w; | |
1bd1bd80 DV |
5452 | } |
5453 | ||
f6a83288 DV |
5454 | void intel_mode_from_pipe_config(struct drm_display_mode *mode, |
5455 | struct intel_crtc_config *pipe_config) | |
babea61d | 5456 | { |
f6a83288 DV |
5457 | mode->hdisplay = pipe_config->adjusted_mode.crtc_hdisplay; |
5458 | mode->htotal = pipe_config->adjusted_mode.crtc_htotal; | |
5459 | mode->hsync_start = pipe_config->adjusted_mode.crtc_hsync_start; | |
5460 | mode->hsync_end = pipe_config->adjusted_mode.crtc_hsync_end; | |
babea61d | 5461 | |
f6a83288 DV |
5462 | mode->vdisplay = pipe_config->adjusted_mode.crtc_vdisplay; |
5463 | mode->vtotal = pipe_config->adjusted_mode.crtc_vtotal; | |
5464 | mode->vsync_start = pipe_config->adjusted_mode.crtc_vsync_start; | |
5465 | mode->vsync_end = pipe_config->adjusted_mode.crtc_vsync_end; | |
babea61d | 5466 | |
f6a83288 | 5467 | mode->flags = pipe_config->adjusted_mode.flags; |
babea61d | 5468 | |
f6a83288 DV |
5469 | mode->clock = pipe_config->adjusted_mode.crtc_clock; |
5470 | mode->flags |= pipe_config->adjusted_mode.flags; | |
babea61d JB |
5471 | } |
5472 | ||
84b046f3 DV |
5473 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc) |
5474 | { | |
5475 | struct drm_device *dev = intel_crtc->base.dev; | |
5476 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5477 | uint32_t pipeconf; | |
5478 | ||
9f11a9e4 | 5479 | pipeconf = 0; |
84b046f3 | 5480 | |
67c72a12 DV |
5481 | if (dev_priv->quirks & QUIRK_PIPEA_FORCE && |
5482 | I915_READ(PIPECONF(intel_crtc->pipe)) & PIPECONF_ENABLE) | |
5483 | pipeconf |= PIPECONF_ENABLE; | |
5484 | ||
cf532bb2 VS |
5485 | if (intel_crtc->config.double_wide) |
5486 | pipeconf |= PIPECONF_DOUBLE_WIDE; | |
84b046f3 | 5487 | |
ff9ce46e DV |
5488 | /* only g4x and later have fancy bpc/dither controls */ |
5489 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { | |
ff9ce46e DV |
5490 | /* Bspec claims that we can't use dithering for 30bpp pipes. */ |
5491 | if (intel_crtc->config.dither && intel_crtc->config.pipe_bpp != 30) | |
5492 | pipeconf |= PIPECONF_DITHER_EN | | |
84b046f3 | 5493 | PIPECONF_DITHER_TYPE_SP; |
84b046f3 | 5494 | |
ff9ce46e DV |
5495 | switch (intel_crtc->config.pipe_bpp) { |
5496 | case 18: | |
5497 | pipeconf |= PIPECONF_6BPC; | |
5498 | break; | |
5499 | case 24: | |
5500 | pipeconf |= PIPECONF_8BPC; | |
5501 | break; | |
5502 | case 30: | |
5503 | pipeconf |= PIPECONF_10BPC; | |
5504 | break; | |
5505 | default: | |
5506 | /* Case prevented by intel_choose_pipe_bpp_dither. */ | |
5507 | BUG(); | |
84b046f3 DV |
5508 | } |
5509 | } | |
5510 | ||
5511 | if (HAS_PIPE_CXSR(dev)) { | |
5512 | if (intel_crtc->lowfreq_avail) { | |
5513 | DRM_DEBUG_KMS("enabling CxSR downclocking\n"); | |
5514 | pipeconf |= PIPECONF_CXSR_DOWNCLOCK; | |
5515 | } else { | |
5516 | DRM_DEBUG_KMS("disabling CxSR downclocking\n"); | |
84b046f3 DV |
5517 | } |
5518 | } | |
5519 | ||
efc2cfff VS |
5520 | if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) { |
5521 | if (INTEL_INFO(dev)->gen < 4 || | |
5522 | intel_pipe_has_type(&intel_crtc->base, INTEL_OUTPUT_SDVO)) | |
5523 | pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; | |
5524 | else | |
5525 | pipeconf |= PIPECONF_INTERLACE_W_SYNC_SHIFT; | |
5526 | } else | |
84b046f3 DV |
5527 | pipeconf |= PIPECONF_PROGRESSIVE; |
5528 | ||
9f11a9e4 DV |
5529 | if (IS_VALLEYVIEW(dev) && intel_crtc->config.limited_color_range) |
5530 | pipeconf |= PIPECONF_COLOR_RANGE_SELECT; | |
9c8e09b7 | 5531 | |
84b046f3 DV |
5532 | I915_WRITE(PIPECONF(intel_crtc->pipe), pipeconf); |
5533 | POSTING_READ(PIPECONF(intel_crtc->pipe)); | |
5534 | } | |
5535 | ||
f564048e | 5536 | static int i9xx_crtc_mode_set(struct drm_crtc *crtc, |
f564048e | 5537 | int x, int y, |
94352cf9 | 5538 | struct drm_framebuffer *fb) |
79e53945 JB |
5539 | { |
5540 | struct drm_device *dev = crtc->dev; | |
5541 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5542 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
5543 | int pipe = intel_crtc->pipe; | |
80824003 | 5544 | int plane = intel_crtc->plane; |
c751ce4f | 5545 | int refclk, num_connectors = 0; |
652c393a | 5546 | intel_clock_t clock, reduced_clock; |
84b046f3 | 5547 | u32 dspcntr; |
a16af721 | 5548 | bool ok, has_reduced_clock = false; |
e9fd1c02 | 5549 | bool is_lvds = false, is_dsi = false; |
5eddb70b | 5550 | struct intel_encoder *encoder; |
d4906093 | 5551 | const intel_limit_t *limit; |
5c3b82e2 | 5552 | int ret; |
79e53945 | 5553 | |
6c2b7c12 | 5554 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
5eddb70b | 5555 | switch (encoder->type) { |
79e53945 JB |
5556 | case INTEL_OUTPUT_LVDS: |
5557 | is_lvds = true; | |
5558 | break; | |
e9fd1c02 JN |
5559 | case INTEL_OUTPUT_DSI: |
5560 | is_dsi = true; | |
5561 | break; | |
79e53945 | 5562 | } |
43565a06 | 5563 | |
c751ce4f | 5564 | num_connectors++; |
79e53945 JB |
5565 | } |
5566 | ||
f2335330 JN |
5567 | if (is_dsi) |
5568 | goto skip_dpll; | |
5569 | ||
5570 | if (!intel_crtc->config.clock_set) { | |
5571 | refclk = i9xx_get_refclk(crtc, num_connectors); | |
79e53945 | 5572 | |
e9fd1c02 JN |
5573 | /* |
5574 | * Returns a set of divisors for the desired target clock with | |
5575 | * the given refclk, or FALSE. The returned values represent | |
5576 | * the clock equation: reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + | |
5577 | * 2) / p1 / p2. | |
5578 | */ | |
5579 | limit = intel_limit(crtc, refclk); | |
5580 | ok = dev_priv->display.find_dpll(limit, crtc, | |
5581 | intel_crtc->config.port_clock, | |
5582 | refclk, NULL, &clock); | |
f2335330 | 5583 | if (!ok) { |
e9fd1c02 JN |
5584 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
5585 | return -EINVAL; | |
5586 | } | |
79e53945 | 5587 | |
f2335330 JN |
5588 | if (is_lvds && dev_priv->lvds_downclock_avail) { |
5589 | /* | |
5590 | * Ensure we match the reduced clock's P to the target | |
5591 | * clock. If the clocks don't match, we can't switch | |
5592 | * the display clock by using the FP0/FP1. In such case | |
5593 | * we will disable the LVDS downclock feature. | |
5594 | */ | |
5595 | has_reduced_clock = | |
5596 | dev_priv->display.find_dpll(limit, crtc, | |
5597 | dev_priv->lvds_downclock, | |
5598 | refclk, &clock, | |
5599 | &reduced_clock); | |
5600 | } | |
5601 | /* Compat-code for transition, will disappear. */ | |
f47709a9 DV |
5602 | intel_crtc->config.dpll.n = clock.n; |
5603 | intel_crtc->config.dpll.m1 = clock.m1; | |
5604 | intel_crtc->config.dpll.m2 = clock.m2; | |
5605 | intel_crtc->config.dpll.p1 = clock.p1; | |
5606 | intel_crtc->config.dpll.p2 = clock.p2; | |
5607 | } | |
7026d4ac | 5608 | |
e9fd1c02 | 5609 | if (IS_GEN2(dev)) { |
8a654f3b | 5610 | i8xx_update_pll(intel_crtc, |
2a8f64ca VP |
5611 | has_reduced_clock ? &reduced_clock : NULL, |
5612 | num_connectors); | |
e9fd1c02 | 5613 | } else if (IS_VALLEYVIEW(dev)) { |
f2335330 | 5614 | vlv_update_pll(intel_crtc); |
e9fd1c02 | 5615 | } else { |
f47709a9 | 5616 | i9xx_update_pll(intel_crtc, |
eb1cbe48 | 5617 | has_reduced_clock ? &reduced_clock : NULL, |
89b667f8 | 5618 | num_connectors); |
e9fd1c02 | 5619 | } |
79e53945 | 5620 | |
f2335330 | 5621 | skip_dpll: |
79e53945 JB |
5622 | /* Set up the display plane register */ |
5623 | dspcntr = DISPPLANE_GAMMA_ENABLE; | |
5624 | ||
da6ecc5d JB |
5625 | if (!IS_VALLEYVIEW(dev)) { |
5626 | if (pipe == 0) | |
5627 | dspcntr &= ~DISPPLANE_SEL_PIPE_MASK; | |
5628 | else | |
5629 | dspcntr |= DISPPLANE_SEL_PIPE_B; | |
5630 | } | |
79e53945 | 5631 | |
2070f00c VS |
5632 | if (intel_crtc->config.has_dp_encoder) |
5633 | intel_dp_set_m_n(intel_crtc); | |
5634 | ||
8a654f3b | 5635 | intel_set_pipe_timings(intel_crtc); |
5eddb70b CW |
5636 | |
5637 | /* pipesrc and dspsize control the size that is scaled from, | |
5638 | * which should always be the user's requested size. | |
79e53945 | 5639 | */ |
929c77fb | 5640 | I915_WRITE(DSPSIZE(plane), |
37327abd VS |
5641 | ((intel_crtc->config.pipe_src_h - 1) << 16) | |
5642 | (intel_crtc->config.pipe_src_w - 1)); | |
929c77fb | 5643 | I915_WRITE(DSPPOS(plane), 0); |
2c07245f | 5644 | |
84b046f3 DV |
5645 | i9xx_set_pipeconf(intel_crtc); |
5646 | ||
f564048e EA |
5647 | I915_WRITE(DSPCNTR(plane), dspcntr); |
5648 | POSTING_READ(DSPCNTR(plane)); | |
5649 | ||
94352cf9 | 5650 | ret = intel_pipe_set_base(crtc, x, y, fb); |
f564048e | 5651 | |
f564048e EA |
5652 | return ret; |
5653 | } | |
5654 | ||
2fa2fe9a DV |
5655 | static void i9xx_get_pfit_config(struct intel_crtc *crtc, |
5656 | struct intel_crtc_config *pipe_config) | |
5657 | { | |
5658 | struct drm_device *dev = crtc->base.dev; | |
5659 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5660 | uint32_t tmp; | |
5661 | ||
dc9e7dec VS |
5662 | if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev))) |
5663 | return; | |
5664 | ||
2fa2fe9a | 5665 | tmp = I915_READ(PFIT_CONTROL); |
06922821 DV |
5666 | if (!(tmp & PFIT_ENABLE)) |
5667 | return; | |
2fa2fe9a | 5668 | |
06922821 | 5669 | /* Check whether the pfit is attached to our pipe. */ |
2fa2fe9a DV |
5670 | if (INTEL_INFO(dev)->gen < 4) { |
5671 | if (crtc->pipe != PIPE_B) | |
5672 | return; | |
2fa2fe9a DV |
5673 | } else { |
5674 | if ((tmp & PFIT_PIPE_MASK) != (crtc->pipe << PFIT_PIPE_SHIFT)) | |
5675 | return; | |
5676 | } | |
5677 | ||
06922821 | 5678 | pipe_config->gmch_pfit.control = tmp; |
2fa2fe9a DV |
5679 | pipe_config->gmch_pfit.pgm_ratios = I915_READ(PFIT_PGM_RATIOS); |
5680 | if (INTEL_INFO(dev)->gen < 5) | |
5681 | pipe_config->gmch_pfit.lvds_border_bits = | |
5682 | I915_READ(LVDS) & LVDS_BORDER_ENABLE; | |
5683 | } | |
5684 | ||
acbec814 JB |
5685 | static void vlv_crtc_clock_get(struct intel_crtc *crtc, |
5686 | struct intel_crtc_config *pipe_config) | |
5687 | { | |
5688 | struct drm_device *dev = crtc->base.dev; | |
5689 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5690 | int pipe = pipe_config->cpu_transcoder; | |
5691 | intel_clock_t clock; | |
5692 | u32 mdiv; | |
662c6ecb | 5693 | int refclk = 100000; |
acbec814 JB |
5694 | |
5695 | mutex_lock(&dev_priv->dpio_lock); | |
ab3c759a | 5696 | mdiv = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW3(pipe)); |
acbec814 JB |
5697 | mutex_unlock(&dev_priv->dpio_lock); |
5698 | ||
5699 | clock.m1 = (mdiv >> DPIO_M1DIV_SHIFT) & 7; | |
5700 | clock.m2 = mdiv & DPIO_M2DIV_MASK; | |
5701 | clock.n = (mdiv >> DPIO_N_SHIFT) & 0xf; | |
5702 | clock.p1 = (mdiv >> DPIO_P1_SHIFT) & 7; | |
5703 | clock.p2 = (mdiv >> DPIO_P2_SHIFT) & 0x1f; | |
5704 | ||
f646628b | 5705 | vlv_clock(refclk, &clock); |
acbec814 | 5706 | |
f646628b VS |
5707 | /* clock.dot is the fast clock */ |
5708 | pipe_config->port_clock = clock.dot / 5; | |
acbec814 JB |
5709 | } |
5710 | ||
1ad292b5 JB |
5711 | static void i9xx_get_plane_config(struct intel_crtc *crtc, |
5712 | struct intel_plane_config *plane_config) | |
5713 | { | |
5714 | struct drm_device *dev = crtc->base.dev; | |
5715 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5716 | u32 val, base, offset; | |
5717 | int pipe = crtc->pipe, plane = crtc->plane; | |
5718 | int fourcc, pixel_format; | |
5719 | int aligned_height; | |
5720 | ||
66e514c1 DA |
5721 | crtc->base.primary->fb = kzalloc(sizeof(struct intel_framebuffer), GFP_KERNEL); |
5722 | if (!crtc->base.primary->fb) { | |
1ad292b5 JB |
5723 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
5724 | return; | |
5725 | } | |
5726 | ||
5727 | val = I915_READ(DSPCNTR(plane)); | |
5728 | ||
5729 | if (INTEL_INFO(dev)->gen >= 4) | |
5730 | if (val & DISPPLANE_TILED) | |
5731 | plane_config->tiled = true; | |
5732 | ||
5733 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; | |
5734 | fourcc = intel_format_to_fourcc(pixel_format); | |
66e514c1 DA |
5735 | crtc->base.primary->fb->pixel_format = fourcc; |
5736 | crtc->base.primary->fb->bits_per_pixel = | |
1ad292b5 JB |
5737 | drm_format_plane_cpp(fourcc, 0) * 8; |
5738 | ||
5739 | if (INTEL_INFO(dev)->gen >= 4) { | |
5740 | if (plane_config->tiled) | |
5741 | offset = I915_READ(DSPTILEOFF(plane)); | |
5742 | else | |
5743 | offset = I915_READ(DSPLINOFF(plane)); | |
5744 | base = I915_READ(DSPSURF(plane)) & 0xfffff000; | |
5745 | } else { | |
5746 | base = I915_READ(DSPADDR(plane)); | |
5747 | } | |
5748 | plane_config->base = base; | |
5749 | ||
5750 | val = I915_READ(PIPESRC(pipe)); | |
66e514c1 DA |
5751 | crtc->base.primary->fb->width = ((val >> 16) & 0xfff) + 1; |
5752 | crtc->base.primary->fb->height = ((val >> 0) & 0xfff) + 1; | |
1ad292b5 JB |
5753 | |
5754 | val = I915_READ(DSPSTRIDE(pipe)); | |
66e514c1 | 5755 | crtc->base.primary->fb->pitches[0] = val & 0xffffff80; |
1ad292b5 | 5756 | |
66e514c1 | 5757 | aligned_height = intel_align_height(dev, crtc->base.primary->fb->height, |
1ad292b5 JB |
5758 | plane_config->tiled); |
5759 | ||
66e514c1 | 5760 | plane_config->size = ALIGN(crtc->base.primary->fb->pitches[0] * |
1ad292b5 JB |
5761 | aligned_height, PAGE_SIZE); |
5762 | ||
5763 | DRM_DEBUG_KMS("pipe/plane %d/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", | |
66e514c1 DA |
5764 | pipe, plane, crtc->base.primary->fb->width, |
5765 | crtc->base.primary->fb->height, | |
5766 | crtc->base.primary->fb->bits_per_pixel, base, | |
5767 | crtc->base.primary->fb->pitches[0], | |
1ad292b5 JB |
5768 | plane_config->size); |
5769 | ||
5770 | } | |
5771 | ||
0e8ffe1b DV |
5772 | static bool i9xx_get_pipe_config(struct intel_crtc *crtc, |
5773 | struct intel_crtc_config *pipe_config) | |
5774 | { | |
5775 | struct drm_device *dev = crtc->base.dev; | |
5776 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5777 | uint32_t tmp; | |
5778 | ||
b5482bd0 ID |
5779 | if (!intel_display_power_enabled(dev_priv, |
5780 | POWER_DOMAIN_PIPE(crtc->pipe))) | |
5781 | return false; | |
5782 | ||
e143a21c | 5783 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
c0d43d62 | 5784 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
eccb140b | 5785 | |
0e8ffe1b DV |
5786 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
5787 | if (!(tmp & PIPECONF_ENABLE)) | |
5788 | return false; | |
5789 | ||
42571aef VS |
5790 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { |
5791 | switch (tmp & PIPECONF_BPC_MASK) { | |
5792 | case PIPECONF_6BPC: | |
5793 | pipe_config->pipe_bpp = 18; | |
5794 | break; | |
5795 | case PIPECONF_8BPC: | |
5796 | pipe_config->pipe_bpp = 24; | |
5797 | break; | |
5798 | case PIPECONF_10BPC: | |
5799 | pipe_config->pipe_bpp = 30; | |
5800 | break; | |
5801 | default: | |
5802 | break; | |
5803 | } | |
5804 | } | |
5805 | ||
282740f7 VS |
5806 | if (INTEL_INFO(dev)->gen < 4) |
5807 | pipe_config->double_wide = tmp & PIPECONF_DOUBLE_WIDE; | |
5808 | ||
1bd1bd80 DV |
5809 | intel_get_pipe_timings(crtc, pipe_config); |
5810 | ||
2fa2fe9a DV |
5811 | i9xx_get_pfit_config(crtc, pipe_config); |
5812 | ||
6c49f241 DV |
5813 | if (INTEL_INFO(dev)->gen >= 4) { |
5814 | tmp = I915_READ(DPLL_MD(crtc->pipe)); | |
5815 | pipe_config->pixel_multiplier = | |
5816 | ((tmp & DPLL_MD_UDI_MULTIPLIER_MASK) | |
5817 | >> DPLL_MD_UDI_MULTIPLIER_SHIFT) + 1; | |
8bcc2795 | 5818 | pipe_config->dpll_hw_state.dpll_md = tmp; |
6c49f241 DV |
5819 | } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
5820 | tmp = I915_READ(DPLL(crtc->pipe)); | |
5821 | pipe_config->pixel_multiplier = | |
5822 | ((tmp & SDVO_MULTIPLIER_MASK) | |
5823 | >> SDVO_MULTIPLIER_SHIFT_HIRES) + 1; | |
5824 | } else { | |
5825 | /* Note that on i915G/GM the pixel multiplier is in the sdvo | |
5826 | * port and will be fixed up in the encoder->get_config | |
5827 | * function. */ | |
5828 | pipe_config->pixel_multiplier = 1; | |
5829 | } | |
8bcc2795 DV |
5830 | pipe_config->dpll_hw_state.dpll = I915_READ(DPLL(crtc->pipe)); |
5831 | if (!IS_VALLEYVIEW(dev)) { | |
5832 | pipe_config->dpll_hw_state.fp0 = I915_READ(FP0(crtc->pipe)); | |
5833 | pipe_config->dpll_hw_state.fp1 = I915_READ(FP1(crtc->pipe)); | |
165e901c VS |
5834 | } else { |
5835 | /* Mask out read-only status bits. */ | |
5836 | pipe_config->dpll_hw_state.dpll &= ~(DPLL_LOCK_VLV | | |
5837 | DPLL_PORTC_READY_MASK | | |
5838 | DPLL_PORTB_READY_MASK); | |
8bcc2795 | 5839 | } |
6c49f241 | 5840 | |
acbec814 JB |
5841 | if (IS_VALLEYVIEW(dev)) |
5842 | vlv_crtc_clock_get(crtc, pipe_config); | |
5843 | else | |
5844 | i9xx_crtc_clock_get(crtc, pipe_config); | |
18442d08 | 5845 | |
0e8ffe1b DV |
5846 | return true; |
5847 | } | |
5848 | ||
dde86e2d | 5849 | static void ironlake_init_pch_refclk(struct drm_device *dev) |
13d83a67 JB |
5850 | { |
5851 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5852 | struct drm_mode_config *mode_config = &dev->mode_config; | |
13d83a67 | 5853 | struct intel_encoder *encoder; |
74cfd7ac | 5854 | u32 val, final; |
13d83a67 | 5855 | bool has_lvds = false; |
199e5d79 | 5856 | bool has_cpu_edp = false; |
199e5d79 | 5857 | bool has_panel = false; |
99eb6a01 KP |
5858 | bool has_ck505 = false; |
5859 | bool can_ssc = false; | |
13d83a67 JB |
5860 | |
5861 | /* We need to take the global config into account */ | |
199e5d79 KP |
5862 | list_for_each_entry(encoder, &mode_config->encoder_list, |
5863 | base.head) { | |
5864 | switch (encoder->type) { | |
5865 | case INTEL_OUTPUT_LVDS: | |
5866 | has_panel = true; | |
5867 | has_lvds = true; | |
5868 | break; | |
5869 | case INTEL_OUTPUT_EDP: | |
5870 | has_panel = true; | |
2de6905f | 5871 | if (enc_to_dig_port(&encoder->base)->port == PORT_A) |
199e5d79 KP |
5872 | has_cpu_edp = true; |
5873 | break; | |
13d83a67 JB |
5874 | } |
5875 | } | |
5876 | ||
99eb6a01 | 5877 | if (HAS_PCH_IBX(dev)) { |
41aa3448 | 5878 | has_ck505 = dev_priv->vbt.display_clock_mode; |
99eb6a01 KP |
5879 | can_ssc = has_ck505; |
5880 | } else { | |
5881 | has_ck505 = false; | |
5882 | can_ssc = true; | |
5883 | } | |
5884 | ||
2de6905f ID |
5885 | DRM_DEBUG_KMS("has_panel %d has_lvds %d has_ck505 %d\n", |
5886 | has_panel, has_lvds, has_ck505); | |
13d83a67 JB |
5887 | |
5888 | /* Ironlake: try to setup display ref clock before DPLL | |
5889 | * enabling. This is only under driver's control after | |
5890 | * PCH B stepping, previous chipset stepping should be | |
5891 | * ignoring this setting. | |
5892 | */ | |
74cfd7ac CW |
5893 | val = I915_READ(PCH_DREF_CONTROL); |
5894 | ||
5895 | /* As we must carefully and slowly disable/enable each source in turn, | |
5896 | * compute the final state we want first and check if we need to | |
5897 | * make any changes at all. | |
5898 | */ | |
5899 | final = val; | |
5900 | final &= ~DREF_NONSPREAD_SOURCE_MASK; | |
5901 | if (has_ck505) | |
5902 | final |= DREF_NONSPREAD_CK505_ENABLE; | |
5903 | else | |
5904 | final |= DREF_NONSPREAD_SOURCE_ENABLE; | |
5905 | ||
5906 | final &= ~DREF_SSC_SOURCE_MASK; | |
5907 | final &= ~DREF_CPU_SOURCE_OUTPUT_MASK; | |
5908 | final &= ~DREF_SSC1_ENABLE; | |
5909 | ||
5910 | if (has_panel) { | |
5911 | final |= DREF_SSC_SOURCE_ENABLE; | |
5912 | ||
5913 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
5914 | final |= DREF_SSC1_ENABLE; | |
5915 | ||
5916 | if (has_cpu_edp) { | |
5917 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
5918 | final |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; | |
5919 | else | |
5920 | final |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; | |
5921 | } else | |
5922 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; | |
5923 | } else { | |
5924 | final |= DREF_SSC_SOURCE_DISABLE; | |
5925 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; | |
5926 | } | |
5927 | ||
5928 | if (final == val) | |
5929 | return; | |
5930 | ||
13d83a67 | 5931 | /* Always enable nonspread source */ |
74cfd7ac | 5932 | val &= ~DREF_NONSPREAD_SOURCE_MASK; |
13d83a67 | 5933 | |
99eb6a01 | 5934 | if (has_ck505) |
74cfd7ac | 5935 | val |= DREF_NONSPREAD_CK505_ENABLE; |
99eb6a01 | 5936 | else |
74cfd7ac | 5937 | val |= DREF_NONSPREAD_SOURCE_ENABLE; |
13d83a67 | 5938 | |
199e5d79 | 5939 | if (has_panel) { |
74cfd7ac CW |
5940 | val &= ~DREF_SSC_SOURCE_MASK; |
5941 | val |= DREF_SSC_SOURCE_ENABLE; | |
13d83a67 | 5942 | |
199e5d79 | 5943 | /* SSC must be turned on before enabling the CPU output */ |
99eb6a01 | 5944 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 5945 | DRM_DEBUG_KMS("Using SSC on panel\n"); |
74cfd7ac | 5946 | val |= DREF_SSC1_ENABLE; |
e77166b5 | 5947 | } else |
74cfd7ac | 5948 | val &= ~DREF_SSC1_ENABLE; |
199e5d79 KP |
5949 | |
5950 | /* Get SSC going before enabling the outputs */ | |
74cfd7ac | 5951 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
5952 | POSTING_READ(PCH_DREF_CONTROL); |
5953 | udelay(200); | |
5954 | ||
74cfd7ac | 5955 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
13d83a67 JB |
5956 | |
5957 | /* Enable CPU source on CPU attached eDP */ | |
199e5d79 | 5958 | if (has_cpu_edp) { |
99eb6a01 | 5959 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 5960 | DRM_DEBUG_KMS("Using SSC on eDP\n"); |
74cfd7ac | 5961 | val |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; |
199e5d79 | 5962 | } |
13d83a67 | 5963 | else |
74cfd7ac | 5964 | val |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; |
199e5d79 | 5965 | } else |
74cfd7ac | 5966 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 5967 | |
74cfd7ac | 5968 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
5969 | POSTING_READ(PCH_DREF_CONTROL); |
5970 | udelay(200); | |
5971 | } else { | |
5972 | DRM_DEBUG_KMS("Disabling SSC entirely\n"); | |
5973 | ||
74cfd7ac | 5974 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
199e5d79 KP |
5975 | |
5976 | /* Turn off CPU output */ | |
74cfd7ac | 5977 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 5978 | |
74cfd7ac | 5979 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
5980 | POSTING_READ(PCH_DREF_CONTROL); |
5981 | udelay(200); | |
5982 | ||
5983 | /* Turn off the SSC source */ | |
74cfd7ac CW |
5984 | val &= ~DREF_SSC_SOURCE_MASK; |
5985 | val |= DREF_SSC_SOURCE_DISABLE; | |
199e5d79 KP |
5986 | |
5987 | /* Turn off SSC1 */ | |
74cfd7ac | 5988 | val &= ~DREF_SSC1_ENABLE; |
199e5d79 | 5989 | |
74cfd7ac | 5990 | I915_WRITE(PCH_DREF_CONTROL, val); |
13d83a67 JB |
5991 | POSTING_READ(PCH_DREF_CONTROL); |
5992 | udelay(200); | |
5993 | } | |
74cfd7ac CW |
5994 | |
5995 | BUG_ON(val != final); | |
13d83a67 JB |
5996 | } |
5997 | ||
f31f2d55 | 5998 | static void lpt_reset_fdi_mphy(struct drm_i915_private *dev_priv) |
dde86e2d | 5999 | { |
f31f2d55 | 6000 | uint32_t tmp; |
dde86e2d | 6001 | |
0ff066a9 PZ |
6002 | tmp = I915_READ(SOUTH_CHICKEN2); |
6003 | tmp |= FDI_MPHY_IOSFSB_RESET_CTL; | |
6004 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
dde86e2d | 6005 | |
0ff066a9 PZ |
6006 | if (wait_for_atomic_us(I915_READ(SOUTH_CHICKEN2) & |
6007 | FDI_MPHY_IOSFSB_RESET_STATUS, 100)) | |
6008 | DRM_ERROR("FDI mPHY reset assert timeout\n"); | |
dde86e2d | 6009 | |
0ff066a9 PZ |
6010 | tmp = I915_READ(SOUTH_CHICKEN2); |
6011 | tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL; | |
6012 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
dde86e2d | 6013 | |
0ff066a9 PZ |
6014 | if (wait_for_atomic_us((I915_READ(SOUTH_CHICKEN2) & |
6015 | FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100)) | |
6016 | DRM_ERROR("FDI mPHY reset de-assert timeout\n"); | |
f31f2d55 PZ |
6017 | } |
6018 | ||
6019 | /* WaMPhyProgramming:hsw */ | |
6020 | static void lpt_program_fdi_mphy(struct drm_i915_private *dev_priv) | |
6021 | { | |
6022 | uint32_t tmp; | |
dde86e2d PZ |
6023 | |
6024 | tmp = intel_sbi_read(dev_priv, 0x8008, SBI_MPHY); | |
6025 | tmp &= ~(0xFF << 24); | |
6026 | tmp |= (0x12 << 24); | |
6027 | intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY); | |
6028 | ||
dde86e2d PZ |
6029 | tmp = intel_sbi_read(dev_priv, 0x2008, SBI_MPHY); |
6030 | tmp |= (1 << 11); | |
6031 | intel_sbi_write(dev_priv, 0x2008, tmp, SBI_MPHY); | |
6032 | ||
6033 | tmp = intel_sbi_read(dev_priv, 0x2108, SBI_MPHY); | |
6034 | tmp |= (1 << 11); | |
6035 | intel_sbi_write(dev_priv, 0x2108, tmp, SBI_MPHY); | |
6036 | ||
dde86e2d PZ |
6037 | tmp = intel_sbi_read(dev_priv, 0x206C, SBI_MPHY); |
6038 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
6039 | intel_sbi_write(dev_priv, 0x206C, tmp, SBI_MPHY); | |
6040 | ||
6041 | tmp = intel_sbi_read(dev_priv, 0x216C, SBI_MPHY); | |
6042 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
6043 | intel_sbi_write(dev_priv, 0x216C, tmp, SBI_MPHY); | |
6044 | ||
0ff066a9 PZ |
6045 | tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY); |
6046 | tmp &= ~(7 << 13); | |
6047 | tmp |= (5 << 13); | |
6048 | intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY); | |
dde86e2d | 6049 | |
0ff066a9 PZ |
6050 | tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY); |
6051 | tmp &= ~(7 << 13); | |
6052 | tmp |= (5 << 13); | |
6053 | intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY); | |
dde86e2d PZ |
6054 | |
6055 | tmp = intel_sbi_read(dev_priv, 0x208C, SBI_MPHY); | |
6056 | tmp &= ~0xFF; | |
6057 | tmp |= 0x1C; | |
6058 | intel_sbi_write(dev_priv, 0x208C, tmp, SBI_MPHY); | |
6059 | ||
6060 | tmp = intel_sbi_read(dev_priv, 0x218C, SBI_MPHY); | |
6061 | tmp &= ~0xFF; | |
6062 | tmp |= 0x1C; | |
6063 | intel_sbi_write(dev_priv, 0x218C, tmp, SBI_MPHY); | |
6064 | ||
6065 | tmp = intel_sbi_read(dev_priv, 0x2098, SBI_MPHY); | |
6066 | tmp &= ~(0xFF << 16); | |
6067 | tmp |= (0x1C << 16); | |
6068 | intel_sbi_write(dev_priv, 0x2098, tmp, SBI_MPHY); | |
6069 | ||
6070 | tmp = intel_sbi_read(dev_priv, 0x2198, SBI_MPHY); | |
6071 | tmp &= ~(0xFF << 16); | |
6072 | tmp |= (0x1C << 16); | |
6073 | intel_sbi_write(dev_priv, 0x2198, tmp, SBI_MPHY); | |
6074 | ||
0ff066a9 PZ |
6075 | tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY); |
6076 | tmp |= (1 << 27); | |
6077 | intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY); | |
dde86e2d | 6078 | |
0ff066a9 PZ |
6079 | tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY); |
6080 | tmp |= (1 << 27); | |
6081 | intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY); | |
dde86e2d | 6082 | |
0ff066a9 PZ |
6083 | tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY); |
6084 | tmp &= ~(0xF << 28); | |
6085 | tmp |= (4 << 28); | |
6086 | intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY); | |
dde86e2d | 6087 | |
0ff066a9 PZ |
6088 | tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY); |
6089 | tmp &= ~(0xF << 28); | |
6090 | tmp |= (4 << 28); | |
6091 | intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY); | |
f31f2d55 PZ |
6092 | } |
6093 | ||
2fa86a1f PZ |
6094 | /* Implements 3 different sequences from BSpec chapter "Display iCLK |
6095 | * Programming" based on the parameters passed: | |
6096 | * - Sequence to enable CLKOUT_DP | |
6097 | * - Sequence to enable CLKOUT_DP without spread | |
6098 | * - Sequence to enable CLKOUT_DP for FDI usage and configure PCH FDI I/O | |
6099 | */ | |
6100 | static void lpt_enable_clkout_dp(struct drm_device *dev, bool with_spread, | |
6101 | bool with_fdi) | |
f31f2d55 PZ |
6102 | { |
6103 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2fa86a1f PZ |
6104 | uint32_t reg, tmp; |
6105 | ||
6106 | if (WARN(with_fdi && !with_spread, "FDI requires downspread\n")) | |
6107 | with_spread = true; | |
6108 | if (WARN(dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE && | |
6109 | with_fdi, "LP PCH doesn't have FDI\n")) | |
6110 | with_fdi = false; | |
f31f2d55 PZ |
6111 | |
6112 | mutex_lock(&dev_priv->dpio_lock); | |
6113 | ||
6114 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
6115 | tmp &= ~SBI_SSCCTL_DISABLE; | |
6116 | tmp |= SBI_SSCCTL_PATHALT; | |
6117 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
6118 | ||
6119 | udelay(24); | |
6120 | ||
2fa86a1f PZ |
6121 | if (with_spread) { |
6122 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
6123 | tmp &= ~SBI_SSCCTL_PATHALT; | |
6124 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
f31f2d55 | 6125 | |
2fa86a1f PZ |
6126 | if (with_fdi) { |
6127 | lpt_reset_fdi_mphy(dev_priv); | |
6128 | lpt_program_fdi_mphy(dev_priv); | |
6129 | } | |
6130 | } | |
dde86e2d | 6131 | |
2fa86a1f PZ |
6132 | reg = (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) ? |
6133 | SBI_GEN0 : SBI_DBUFF0; | |
6134 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); | |
6135 | tmp |= SBI_GEN0_CFG_BUFFENABLE_DISABLE; | |
6136 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); | |
c00db246 DV |
6137 | |
6138 | mutex_unlock(&dev_priv->dpio_lock); | |
dde86e2d PZ |
6139 | } |
6140 | ||
47701c3b PZ |
6141 | /* Sequence to disable CLKOUT_DP */ |
6142 | static void lpt_disable_clkout_dp(struct drm_device *dev) | |
6143 | { | |
6144 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6145 | uint32_t reg, tmp; | |
6146 | ||
6147 | mutex_lock(&dev_priv->dpio_lock); | |
6148 | ||
6149 | reg = (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) ? | |
6150 | SBI_GEN0 : SBI_DBUFF0; | |
6151 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); | |
6152 | tmp &= ~SBI_GEN0_CFG_BUFFENABLE_DISABLE; | |
6153 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); | |
6154 | ||
6155 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
6156 | if (!(tmp & SBI_SSCCTL_DISABLE)) { | |
6157 | if (!(tmp & SBI_SSCCTL_PATHALT)) { | |
6158 | tmp |= SBI_SSCCTL_PATHALT; | |
6159 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
6160 | udelay(32); | |
6161 | } | |
6162 | tmp |= SBI_SSCCTL_DISABLE; | |
6163 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
6164 | } | |
6165 | ||
6166 | mutex_unlock(&dev_priv->dpio_lock); | |
6167 | } | |
6168 | ||
bf8fa3d3 PZ |
6169 | static void lpt_init_pch_refclk(struct drm_device *dev) |
6170 | { | |
6171 | struct drm_mode_config *mode_config = &dev->mode_config; | |
6172 | struct intel_encoder *encoder; | |
6173 | bool has_vga = false; | |
6174 | ||
6175 | list_for_each_entry(encoder, &mode_config->encoder_list, base.head) { | |
6176 | switch (encoder->type) { | |
6177 | case INTEL_OUTPUT_ANALOG: | |
6178 | has_vga = true; | |
6179 | break; | |
6180 | } | |
6181 | } | |
6182 | ||
47701c3b PZ |
6183 | if (has_vga) |
6184 | lpt_enable_clkout_dp(dev, true, true); | |
6185 | else | |
6186 | lpt_disable_clkout_dp(dev); | |
bf8fa3d3 PZ |
6187 | } |
6188 | ||
dde86e2d PZ |
6189 | /* |
6190 | * Initialize reference clocks when the driver loads | |
6191 | */ | |
6192 | void intel_init_pch_refclk(struct drm_device *dev) | |
6193 | { | |
6194 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
6195 | ironlake_init_pch_refclk(dev); | |
6196 | else if (HAS_PCH_LPT(dev)) | |
6197 | lpt_init_pch_refclk(dev); | |
6198 | } | |
6199 | ||
d9d444cb JB |
6200 | static int ironlake_get_refclk(struct drm_crtc *crtc) |
6201 | { | |
6202 | struct drm_device *dev = crtc->dev; | |
6203 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6204 | struct intel_encoder *encoder; | |
d9d444cb JB |
6205 | int num_connectors = 0; |
6206 | bool is_lvds = false; | |
6207 | ||
6c2b7c12 | 6208 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
d9d444cb JB |
6209 | switch (encoder->type) { |
6210 | case INTEL_OUTPUT_LVDS: | |
6211 | is_lvds = true; | |
6212 | break; | |
d9d444cb JB |
6213 | } |
6214 | num_connectors++; | |
6215 | } | |
6216 | ||
6217 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) { | |
e91e941b | 6218 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", |
41aa3448 | 6219 | dev_priv->vbt.lvds_ssc_freq); |
e91e941b | 6220 | return dev_priv->vbt.lvds_ssc_freq; |
d9d444cb JB |
6221 | } |
6222 | ||
6223 | return 120000; | |
6224 | } | |
6225 | ||
6ff93609 | 6226 | static void ironlake_set_pipeconf(struct drm_crtc *crtc) |
79e53945 | 6227 | { |
c8203565 | 6228 | struct drm_i915_private *dev_priv = crtc->dev->dev_private; |
79e53945 JB |
6229 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6230 | int pipe = intel_crtc->pipe; | |
c8203565 PZ |
6231 | uint32_t val; |
6232 | ||
78114071 | 6233 | val = 0; |
c8203565 | 6234 | |
965e0c48 | 6235 | switch (intel_crtc->config.pipe_bpp) { |
c8203565 | 6236 | case 18: |
dfd07d72 | 6237 | val |= PIPECONF_6BPC; |
c8203565 PZ |
6238 | break; |
6239 | case 24: | |
dfd07d72 | 6240 | val |= PIPECONF_8BPC; |
c8203565 PZ |
6241 | break; |
6242 | case 30: | |
dfd07d72 | 6243 | val |= PIPECONF_10BPC; |
c8203565 PZ |
6244 | break; |
6245 | case 36: | |
dfd07d72 | 6246 | val |= PIPECONF_12BPC; |
c8203565 PZ |
6247 | break; |
6248 | default: | |
cc769b62 PZ |
6249 | /* Case prevented by intel_choose_pipe_bpp_dither. */ |
6250 | BUG(); | |
c8203565 PZ |
6251 | } |
6252 | ||
d8b32247 | 6253 | if (intel_crtc->config.dither) |
c8203565 PZ |
6254 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
6255 | ||
6ff93609 | 6256 | if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
c8203565 PZ |
6257 | val |= PIPECONF_INTERLACED_ILK; |
6258 | else | |
6259 | val |= PIPECONF_PROGRESSIVE; | |
6260 | ||
50f3b016 | 6261 | if (intel_crtc->config.limited_color_range) |
3685a8f3 | 6262 | val |= PIPECONF_COLOR_RANGE_SELECT; |
3685a8f3 | 6263 | |
c8203565 PZ |
6264 | I915_WRITE(PIPECONF(pipe), val); |
6265 | POSTING_READ(PIPECONF(pipe)); | |
6266 | } | |
6267 | ||
86d3efce VS |
6268 | /* |
6269 | * Set up the pipe CSC unit. | |
6270 | * | |
6271 | * Currently only full range RGB to limited range RGB conversion | |
6272 | * is supported, but eventually this should handle various | |
6273 | * RGB<->YCbCr scenarios as well. | |
6274 | */ | |
50f3b016 | 6275 | static void intel_set_pipe_csc(struct drm_crtc *crtc) |
86d3efce VS |
6276 | { |
6277 | struct drm_device *dev = crtc->dev; | |
6278 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6279 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6280 | int pipe = intel_crtc->pipe; | |
6281 | uint16_t coeff = 0x7800; /* 1.0 */ | |
6282 | ||
6283 | /* | |
6284 | * TODO: Check what kind of values actually come out of the pipe | |
6285 | * with these coeff/postoff values and adjust to get the best | |
6286 | * accuracy. Perhaps we even need to take the bpc value into | |
6287 | * consideration. | |
6288 | */ | |
6289 | ||
50f3b016 | 6290 | if (intel_crtc->config.limited_color_range) |
86d3efce VS |
6291 | coeff = ((235 - 16) * (1 << 12) / 255) & 0xff8; /* 0.xxx... */ |
6292 | ||
6293 | /* | |
6294 | * GY/GU and RY/RU should be the other way around according | |
6295 | * to BSpec, but reality doesn't agree. Just set them up in | |
6296 | * a way that results in the correct picture. | |
6297 | */ | |
6298 | I915_WRITE(PIPE_CSC_COEFF_RY_GY(pipe), coeff << 16); | |
6299 | I915_WRITE(PIPE_CSC_COEFF_BY(pipe), 0); | |
6300 | ||
6301 | I915_WRITE(PIPE_CSC_COEFF_RU_GU(pipe), coeff); | |
6302 | I915_WRITE(PIPE_CSC_COEFF_BU(pipe), 0); | |
6303 | ||
6304 | I915_WRITE(PIPE_CSC_COEFF_RV_GV(pipe), 0); | |
6305 | I915_WRITE(PIPE_CSC_COEFF_BV(pipe), coeff << 16); | |
6306 | ||
6307 | I915_WRITE(PIPE_CSC_PREOFF_HI(pipe), 0); | |
6308 | I915_WRITE(PIPE_CSC_PREOFF_ME(pipe), 0); | |
6309 | I915_WRITE(PIPE_CSC_PREOFF_LO(pipe), 0); | |
6310 | ||
6311 | if (INTEL_INFO(dev)->gen > 6) { | |
6312 | uint16_t postoff = 0; | |
6313 | ||
50f3b016 | 6314 | if (intel_crtc->config.limited_color_range) |
32cf0cb0 | 6315 | postoff = (16 * (1 << 12) / 255) & 0x1fff; |
86d3efce VS |
6316 | |
6317 | I915_WRITE(PIPE_CSC_POSTOFF_HI(pipe), postoff); | |
6318 | I915_WRITE(PIPE_CSC_POSTOFF_ME(pipe), postoff); | |
6319 | I915_WRITE(PIPE_CSC_POSTOFF_LO(pipe), postoff); | |
6320 | ||
6321 | I915_WRITE(PIPE_CSC_MODE(pipe), 0); | |
6322 | } else { | |
6323 | uint32_t mode = CSC_MODE_YUV_TO_RGB; | |
6324 | ||
50f3b016 | 6325 | if (intel_crtc->config.limited_color_range) |
86d3efce VS |
6326 | mode |= CSC_BLACK_SCREEN_OFFSET; |
6327 | ||
6328 | I915_WRITE(PIPE_CSC_MODE(pipe), mode); | |
6329 | } | |
6330 | } | |
6331 | ||
6ff93609 | 6332 | static void haswell_set_pipeconf(struct drm_crtc *crtc) |
ee2b0b38 | 6333 | { |
756f85cf PZ |
6334 | struct drm_device *dev = crtc->dev; |
6335 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ee2b0b38 | 6336 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
756f85cf | 6337 | enum pipe pipe = intel_crtc->pipe; |
3b117c8f | 6338 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
ee2b0b38 PZ |
6339 | uint32_t val; |
6340 | ||
3eff4faa | 6341 | val = 0; |
ee2b0b38 | 6342 | |
756f85cf | 6343 | if (IS_HASWELL(dev) && intel_crtc->config.dither) |
ee2b0b38 PZ |
6344 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
6345 | ||
6ff93609 | 6346 | if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
ee2b0b38 PZ |
6347 | val |= PIPECONF_INTERLACED_ILK; |
6348 | else | |
6349 | val |= PIPECONF_PROGRESSIVE; | |
6350 | ||
702e7a56 PZ |
6351 | I915_WRITE(PIPECONF(cpu_transcoder), val); |
6352 | POSTING_READ(PIPECONF(cpu_transcoder)); | |
3eff4faa DV |
6353 | |
6354 | I915_WRITE(GAMMA_MODE(intel_crtc->pipe), GAMMA_MODE_MODE_8BIT); | |
6355 | POSTING_READ(GAMMA_MODE(intel_crtc->pipe)); | |
756f85cf PZ |
6356 | |
6357 | if (IS_BROADWELL(dev)) { | |
6358 | val = 0; | |
6359 | ||
6360 | switch (intel_crtc->config.pipe_bpp) { | |
6361 | case 18: | |
6362 | val |= PIPEMISC_DITHER_6_BPC; | |
6363 | break; | |
6364 | case 24: | |
6365 | val |= PIPEMISC_DITHER_8_BPC; | |
6366 | break; | |
6367 | case 30: | |
6368 | val |= PIPEMISC_DITHER_10_BPC; | |
6369 | break; | |
6370 | case 36: | |
6371 | val |= PIPEMISC_DITHER_12_BPC; | |
6372 | break; | |
6373 | default: | |
6374 | /* Case prevented by pipe_config_set_bpp. */ | |
6375 | BUG(); | |
6376 | } | |
6377 | ||
6378 | if (intel_crtc->config.dither) | |
6379 | val |= PIPEMISC_DITHER_ENABLE | PIPEMISC_DITHER_TYPE_SP; | |
6380 | ||
6381 | I915_WRITE(PIPEMISC(pipe), val); | |
6382 | } | |
ee2b0b38 PZ |
6383 | } |
6384 | ||
6591c6e4 | 6385 | static bool ironlake_compute_clocks(struct drm_crtc *crtc, |
6591c6e4 PZ |
6386 | intel_clock_t *clock, |
6387 | bool *has_reduced_clock, | |
6388 | intel_clock_t *reduced_clock) | |
6389 | { | |
6390 | struct drm_device *dev = crtc->dev; | |
6391 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6392 | struct intel_encoder *intel_encoder; | |
6393 | int refclk; | |
d4906093 | 6394 | const intel_limit_t *limit; |
a16af721 | 6395 | bool ret, is_lvds = false; |
79e53945 | 6396 | |
6591c6e4 PZ |
6397 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) { |
6398 | switch (intel_encoder->type) { | |
79e53945 JB |
6399 | case INTEL_OUTPUT_LVDS: |
6400 | is_lvds = true; | |
6401 | break; | |
79e53945 JB |
6402 | } |
6403 | } | |
6404 | ||
d9d444cb | 6405 | refclk = ironlake_get_refclk(crtc); |
79e53945 | 6406 | |
d4906093 ML |
6407 | /* |
6408 | * Returns a set of divisors for the desired target clock with the given | |
6409 | * refclk, or FALSE. The returned values represent the clock equation: | |
6410 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. | |
6411 | */ | |
1b894b59 | 6412 | limit = intel_limit(crtc, refclk); |
ff9a6750 DV |
6413 | ret = dev_priv->display.find_dpll(limit, crtc, |
6414 | to_intel_crtc(crtc)->config.port_clock, | |
ee9300bb | 6415 | refclk, NULL, clock); |
6591c6e4 PZ |
6416 | if (!ret) |
6417 | return false; | |
cda4b7d3 | 6418 | |
ddc9003c | 6419 | if (is_lvds && dev_priv->lvds_downclock_avail) { |
cec2f356 SP |
6420 | /* |
6421 | * Ensure we match the reduced clock's P to the target clock. | |
6422 | * If the clocks don't match, we can't switch the display clock | |
6423 | * by using the FP0/FP1. In such case we will disable the LVDS | |
6424 | * downclock feature. | |
6425 | */ | |
ee9300bb DV |
6426 | *has_reduced_clock = |
6427 | dev_priv->display.find_dpll(limit, crtc, | |
6428 | dev_priv->lvds_downclock, | |
6429 | refclk, clock, | |
6430 | reduced_clock); | |
652c393a | 6431 | } |
61e9653f | 6432 | |
6591c6e4 PZ |
6433 | return true; |
6434 | } | |
6435 | ||
d4b1931c PZ |
6436 | int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp) |
6437 | { | |
6438 | /* | |
6439 | * Account for spread spectrum to avoid | |
6440 | * oversubscribing the link. Max center spread | |
6441 | * is 2.5%; use 5% for safety's sake. | |
6442 | */ | |
6443 | u32 bps = target_clock * bpp * 21 / 20; | |
619d4d04 | 6444 | return DIV_ROUND_UP(bps, link_bw * 8); |
d4b1931c PZ |
6445 | } |
6446 | ||
7429e9d4 | 6447 | static bool ironlake_needs_fb_cb_tune(struct dpll *dpll, int factor) |
6cf86a5e | 6448 | { |
7429e9d4 | 6449 | return i9xx_dpll_compute_m(dpll) < factor * dpll->n; |
f48d8f23 PZ |
6450 | } |
6451 | ||
de13a2e3 | 6452 | static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, |
7429e9d4 | 6453 | u32 *fp, |
9a7c7890 | 6454 | intel_clock_t *reduced_clock, u32 *fp2) |
79e53945 | 6455 | { |
de13a2e3 | 6456 | struct drm_crtc *crtc = &intel_crtc->base; |
79e53945 JB |
6457 | struct drm_device *dev = crtc->dev; |
6458 | struct drm_i915_private *dev_priv = dev->dev_private; | |
de13a2e3 PZ |
6459 | struct intel_encoder *intel_encoder; |
6460 | uint32_t dpll; | |
6cc5f341 | 6461 | int factor, num_connectors = 0; |
09ede541 | 6462 | bool is_lvds = false, is_sdvo = false; |
79e53945 | 6463 | |
de13a2e3 PZ |
6464 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) { |
6465 | switch (intel_encoder->type) { | |
79e53945 JB |
6466 | case INTEL_OUTPUT_LVDS: |
6467 | is_lvds = true; | |
6468 | break; | |
6469 | case INTEL_OUTPUT_SDVO: | |
7d57382e | 6470 | case INTEL_OUTPUT_HDMI: |
79e53945 | 6471 | is_sdvo = true; |
79e53945 | 6472 | break; |
79e53945 | 6473 | } |
43565a06 | 6474 | |
c751ce4f | 6475 | num_connectors++; |
79e53945 | 6476 | } |
79e53945 | 6477 | |
c1858123 | 6478 | /* Enable autotuning of the PLL clock (if permissible) */ |
8febb297 EA |
6479 | factor = 21; |
6480 | if (is_lvds) { | |
6481 | if ((intel_panel_use_ssc(dev_priv) && | |
e91e941b | 6482 | dev_priv->vbt.lvds_ssc_freq == 100000) || |
f0b44056 | 6483 | (HAS_PCH_IBX(dev) && intel_is_dual_link_lvds(dev))) |
8febb297 | 6484 | factor = 25; |
09ede541 | 6485 | } else if (intel_crtc->config.sdvo_tv_clock) |
8febb297 | 6486 | factor = 20; |
c1858123 | 6487 | |
7429e9d4 | 6488 | if (ironlake_needs_fb_cb_tune(&intel_crtc->config.dpll, factor)) |
7d0ac5b7 | 6489 | *fp |= FP_CB_TUNE; |
2c07245f | 6490 | |
9a7c7890 DV |
6491 | if (fp2 && (reduced_clock->m < factor * reduced_clock->n)) |
6492 | *fp2 |= FP_CB_TUNE; | |
6493 | ||
5eddb70b | 6494 | dpll = 0; |
2c07245f | 6495 | |
a07d6787 EA |
6496 | if (is_lvds) |
6497 | dpll |= DPLLB_MODE_LVDS; | |
6498 | else | |
6499 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
198a037f | 6500 | |
ef1b460d DV |
6501 | dpll |= (intel_crtc->config.pixel_multiplier - 1) |
6502 | << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT; | |
198a037f DV |
6503 | |
6504 | if (is_sdvo) | |
4a33e48d | 6505 | dpll |= DPLL_SDVO_HIGH_SPEED; |
9566e9af | 6506 | if (intel_crtc->config.has_dp_encoder) |
4a33e48d | 6507 | dpll |= DPLL_SDVO_HIGH_SPEED; |
79e53945 | 6508 | |
a07d6787 | 6509 | /* compute bitmask from p1 value */ |
7429e9d4 | 6510 | dpll |= (1 << (intel_crtc->config.dpll.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
a07d6787 | 6511 | /* also FPA1 */ |
7429e9d4 | 6512 | dpll |= (1 << (intel_crtc->config.dpll.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; |
a07d6787 | 6513 | |
7429e9d4 | 6514 | switch (intel_crtc->config.dpll.p2) { |
a07d6787 EA |
6515 | case 5: |
6516 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
6517 | break; | |
6518 | case 7: | |
6519 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
6520 | break; | |
6521 | case 10: | |
6522 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
6523 | break; | |
6524 | case 14: | |
6525 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
6526 | break; | |
79e53945 JB |
6527 | } |
6528 | ||
b4c09f3b | 6529 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
43565a06 | 6530 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
79e53945 JB |
6531 | else |
6532 | dpll |= PLL_REF_INPUT_DREFCLK; | |
6533 | ||
959e16d6 | 6534 | return dpll | DPLL_VCO_ENABLE; |
de13a2e3 PZ |
6535 | } |
6536 | ||
6537 | static int ironlake_crtc_mode_set(struct drm_crtc *crtc, | |
de13a2e3 PZ |
6538 | int x, int y, |
6539 | struct drm_framebuffer *fb) | |
6540 | { | |
6541 | struct drm_device *dev = crtc->dev; | |
6542 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6543 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6544 | int pipe = intel_crtc->pipe; | |
6545 | int plane = intel_crtc->plane; | |
6546 | int num_connectors = 0; | |
6547 | intel_clock_t clock, reduced_clock; | |
cbbab5bd | 6548 | u32 dpll = 0, fp = 0, fp2 = 0; |
e2f12b07 | 6549 | bool ok, has_reduced_clock = false; |
8b47047b | 6550 | bool is_lvds = false; |
de13a2e3 | 6551 | struct intel_encoder *encoder; |
e2b78267 | 6552 | struct intel_shared_dpll *pll; |
de13a2e3 | 6553 | int ret; |
de13a2e3 PZ |
6554 | |
6555 | for_each_encoder_on_crtc(dev, crtc, encoder) { | |
6556 | switch (encoder->type) { | |
6557 | case INTEL_OUTPUT_LVDS: | |
6558 | is_lvds = true; | |
6559 | break; | |
de13a2e3 PZ |
6560 | } |
6561 | ||
6562 | num_connectors++; | |
a07d6787 | 6563 | } |
79e53945 | 6564 | |
5dc5298b PZ |
6565 | WARN(!(HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)), |
6566 | "Unexpected PCH type %d\n", INTEL_PCH_TYPE(dev)); | |
a07d6787 | 6567 | |
ff9a6750 | 6568 | ok = ironlake_compute_clocks(crtc, &clock, |
de13a2e3 | 6569 | &has_reduced_clock, &reduced_clock); |
ee9300bb | 6570 | if (!ok && !intel_crtc->config.clock_set) { |
de13a2e3 PZ |
6571 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
6572 | return -EINVAL; | |
79e53945 | 6573 | } |
f47709a9 DV |
6574 | /* Compat-code for transition, will disappear. */ |
6575 | if (!intel_crtc->config.clock_set) { | |
6576 | intel_crtc->config.dpll.n = clock.n; | |
6577 | intel_crtc->config.dpll.m1 = clock.m1; | |
6578 | intel_crtc->config.dpll.m2 = clock.m2; | |
6579 | intel_crtc->config.dpll.p1 = clock.p1; | |
6580 | intel_crtc->config.dpll.p2 = clock.p2; | |
6581 | } | |
79e53945 | 6582 | |
5dc5298b | 6583 | /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */ |
8b47047b | 6584 | if (intel_crtc->config.has_pch_encoder) { |
7429e9d4 | 6585 | fp = i9xx_dpll_compute_fp(&intel_crtc->config.dpll); |
cbbab5bd | 6586 | if (has_reduced_clock) |
7429e9d4 | 6587 | fp2 = i9xx_dpll_compute_fp(&reduced_clock); |
cbbab5bd | 6588 | |
7429e9d4 | 6589 | dpll = ironlake_compute_dpll(intel_crtc, |
cbbab5bd DV |
6590 | &fp, &reduced_clock, |
6591 | has_reduced_clock ? &fp2 : NULL); | |
6592 | ||
959e16d6 | 6593 | intel_crtc->config.dpll_hw_state.dpll = dpll; |
66e985c0 DV |
6594 | intel_crtc->config.dpll_hw_state.fp0 = fp; |
6595 | if (has_reduced_clock) | |
6596 | intel_crtc->config.dpll_hw_state.fp1 = fp2; | |
6597 | else | |
6598 | intel_crtc->config.dpll_hw_state.fp1 = fp; | |
6599 | ||
b89a1d39 | 6600 | pll = intel_get_shared_dpll(intel_crtc); |
ee7b9f93 | 6601 | if (pll == NULL) { |
84f44ce7 VS |
6602 | DRM_DEBUG_DRIVER("failed to find PLL for pipe %c\n", |
6603 | pipe_name(pipe)); | |
4b645f14 JB |
6604 | return -EINVAL; |
6605 | } | |
ee7b9f93 | 6606 | } else |
e72f9fbf | 6607 | intel_put_shared_dpll(intel_crtc); |
79e53945 | 6608 | |
03afc4a2 DV |
6609 | if (intel_crtc->config.has_dp_encoder) |
6610 | intel_dp_set_m_n(intel_crtc); | |
79e53945 | 6611 | |
d330a953 | 6612 | if (is_lvds && has_reduced_clock && i915.powersave) |
bcd644e0 DV |
6613 | intel_crtc->lowfreq_avail = true; |
6614 | else | |
6615 | intel_crtc->lowfreq_avail = false; | |
e2b78267 | 6616 | |
8a654f3b | 6617 | intel_set_pipe_timings(intel_crtc); |
5eddb70b | 6618 | |
ca3a0ff8 | 6619 | if (intel_crtc->config.has_pch_encoder) { |
ca3a0ff8 DV |
6620 | intel_cpu_transcoder_set_m_n(intel_crtc, |
6621 | &intel_crtc->config.fdi_m_n); | |
6622 | } | |
2c07245f | 6623 | |
6ff93609 | 6624 | ironlake_set_pipeconf(crtc); |
79e53945 | 6625 | |
a1f9e77e PZ |
6626 | /* Set up the display plane register */ |
6627 | I915_WRITE(DSPCNTR(plane), DISPPLANE_GAMMA_ENABLE); | |
b24e7179 | 6628 | POSTING_READ(DSPCNTR(plane)); |
79e53945 | 6629 | |
94352cf9 | 6630 | ret = intel_pipe_set_base(crtc, x, y, fb); |
7662c8bd | 6631 | |
1857e1da | 6632 | return ret; |
79e53945 JB |
6633 | } |
6634 | ||
eb14cb74 VS |
6635 | static void intel_pch_transcoder_get_m_n(struct intel_crtc *crtc, |
6636 | struct intel_link_m_n *m_n) | |
6637 | { | |
6638 | struct drm_device *dev = crtc->base.dev; | |
6639 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6640 | enum pipe pipe = crtc->pipe; | |
6641 | ||
6642 | m_n->link_m = I915_READ(PCH_TRANS_LINK_M1(pipe)); | |
6643 | m_n->link_n = I915_READ(PCH_TRANS_LINK_N1(pipe)); | |
6644 | m_n->gmch_m = I915_READ(PCH_TRANS_DATA_M1(pipe)) | |
6645 | & ~TU_SIZE_MASK; | |
6646 | m_n->gmch_n = I915_READ(PCH_TRANS_DATA_N1(pipe)); | |
6647 | m_n->tu = ((I915_READ(PCH_TRANS_DATA_M1(pipe)) | |
6648 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
6649 | } | |
6650 | ||
6651 | static void intel_cpu_transcoder_get_m_n(struct intel_crtc *crtc, | |
6652 | enum transcoder transcoder, | |
6653 | struct intel_link_m_n *m_n) | |
72419203 DV |
6654 | { |
6655 | struct drm_device *dev = crtc->base.dev; | |
6656 | struct drm_i915_private *dev_priv = dev->dev_private; | |
eb14cb74 | 6657 | enum pipe pipe = crtc->pipe; |
72419203 | 6658 | |
eb14cb74 VS |
6659 | if (INTEL_INFO(dev)->gen >= 5) { |
6660 | m_n->link_m = I915_READ(PIPE_LINK_M1(transcoder)); | |
6661 | m_n->link_n = I915_READ(PIPE_LINK_N1(transcoder)); | |
6662 | m_n->gmch_m = I915_READ(PIPE_DATA_M1(transcoder)) | |
6663 | & ~TU_SIZE_MASK; | |
6664 | m_n->gmch_n = I915_READ(PIPE_DATA_N1(transcoder)); | |
6665 | m_n->tu = ((I915_READ(PIPE_DATA_M1(transcoder)) | |
6666 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
6667 | } else { | |
6668 | m_n->link_m = I915_READ(PIPE_LINK_M_G4X(pipe)); | |
6669 | m_n->link_n = I915_READ(PIPE_LINK_N_G4X(pipe)); | |
6670 | m_n->gmch_m = I915_READ(PIPE_DATA_M_G4X(pipe)) | |
6671 | & ~TU_SIZE_MASK; | |
6672 | m_n->gmch_n = I915_READ(PIPE_DATA_N_G4X(pipe)); | |
6673 | m_n->tu = ((I915_READ(PIPE_DATA_M_G4X(pipe)) | |
6674 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
6675 | } | |
6676 | } | |
6677 | ||
6678 | void intel_dp_get_m_n(struct intel_crtc *crtc, | |
6679 | struct intel_crtc_config *pipe_config) | |
6680 | { | |
6681 | if (crtc->config.has_pch_encoder) | |
6682 | intel_pch_transcoder_get_m_n(crtc, &pipe_config->dp_m_n); | |
6683 | else | |
6684 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, | |
6685 | &pipe_config->dp_m_n); | |
6686 | } | |
72419203 | 6687 | |
eb14cb74 VS |
6688 | static void ironlake_get_fdi_m_n_config(struct intel_crtc *crtc, |
6689 | struct intel_crtc_config *pipe_config) | |
6690 | { | |
6691 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, | |
6692 | &pipe_config->fdi_m_n); | |
72419203 DV |
6693 | } |
6694 | ||
2fa2fe9a DV |
6695 | static void ironlake_get_pfit_config(struct intel_crtc *crtc, |
6696 | struct intel_crtc_config *pipe_config) | |
6697 | { | |
6698 | struct drm_device *dev = crtc->base.dev; | |
6699 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6700 | uint32_t tmp; | |
6701 | ||
6702 | tmp = I915_READ(PF_CTL(crtc->pipe)); | |
6703 | ||
6704 | if (tmp & PF_ENABLE) { | |
fd4daa9c | 6705 | pipe_config->pch_pfit.enabled = true; |
2fa2fe9a DV |
6706 | pipe_config->pch_pfit.pos = I915_READ(PF_WIN_POS(crtc->pipe)); |
6707 | pipe_config->pch_pfit.size = I915_READ(PF_WIN_SZ(crtc->pipe)); | |
cb8b2a30 DV |
6708 | |
6709 | /* We currently do not free assignements of panel fitters on | |
6710 | * ivb/hsw (since we don't use the higher upscaling modes which | |
6711 | * differentiates them) so just WARN about this case for now. */ | |
6712 | if (IS_GEN7(dev)) { | |
6713 | WARN_ON((tmp & PF_PIPE_SEL_MASK_IVB) != | |
6714 | PF_PIPE_SEL_IVB(crtc->pipe)); | |
6715 | } | |
2fa2fe9a | 6716 | } |
79e53945 JB |
6717 | } |
6718 | ||
4c6baa59 JB |
6719 | static void ironlake_get_plane_config(struct intel_crtc *crtc, |
6720 | struct intel_plane_config *plane_config) | |
6721 | { | |
6722 | struct drm_device *dev = crtc->base.dev; | |
6723 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6724 | u32 val, base, offset; | |
6725 | int pipe = crtc->pipe, plane = crtc->plane; | |
6726 | int fourcc, pixel_format; | |
6727 | int aligned_height; | |
6728 | ||
66e514c1 DA |
6729 | crtc->base.primary->fb = kzalloc(sizeof(struct intel_framebuffer), GFP_KERNEL); |
6730 | if (!crtc->base.primary->fb) { | |
4c6baa59 JB |
6731 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
6732 | return; | |
6733 | } | |
6734 | ||
6735 | val = I915_READ(DSPCNTR(plane)); | |
6736 | ||
6737 | if (INTEL_INFO(dev)->gen >= 4) | |
6738 | if (val & DISPPLANE_TILED) | |
6739 | plane_config->tiled = true; | |
6740 | ||
6741 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; | |
6742 | fourcc = intel_format_to_fourcc(pixel_format); | |
66e514c1 DA |
6743 | crtc->base.primary->fb->pixel_format = fourcc; |
6744 | crtc->base.primary->fb->bits_per_pixel = | |
4c6baa59 JB |
6745 | drm_format_plane_cpp(fourcc, 0) * 8; |
6746 | ||
6747 | base = I915_READ(DSPSURF(plane)) & 0xfffff000; | |
6748 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { | |
6749 | offset = I915_READ(DSPOFFSET(plane)); | |
6750 | } else { | |
6751 | if (plane_config->tiled) | |
6752 | offset = I915_READ(DSPTILEOFF(plane)); | |
6753 | else | |
6754 | offset = I915_READ(DSPLINOFF(plane)); | |
6755 | } | |
6756 | plane_config->base = base; | |
6757 | ||
6758 | val = I915_READ(PIPESRC(pipe)); | |
66e514c1 DA |
6759 | crtc->base.primary->fb->width = ((val >> 16) & 0xfff) + 1; |
6760 | crtc->base.primary->fb->height = ((val >> 0) & 0xfff) + 1; | |
4c6baa59 JB |
6761 | |
6762 | val = I915_READ(DSPSTRIDE(pipe)); | |
66e514c1 | 6763 | crtc->base.primary->fb->pitches[0] = val & 0xffffff80; |
4c6baa59 | 6764 | |
66e514c1 | 6765 | aligned_height = intel_align_height(dev, crtc->base.primary->fb->height, |
4c6baa59 JB |
6766 | plane_config->tiled); |
6767 | ||
66e514c1 | 6768 | plane_config->size = ALIGN(crtc->base.primary->fb->pitches[0] * |
4c6baa59 JB |
6769 | aligned_height, PAGE_SIZE); |
6770 | ||
6771 | DRM_DEBUG_KMS("pipe/plane %d/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", | |
66e514c1 DA |
6772 | pipe, plane, crtc->base.primary->fb->width, |
6773 | crtc->base.primary->fb->height, | |
6774 | crtc->base.primary->fb->bits_per_pixel, base, | |
6775 | crtc->base.primary->fb->pitches[0], | |
4c6baa59 JB |
6776 | plane_config->size); |
6777 | } | |
6778 | ||
0e8ffe1b DV |
6779 | static bool ironlake_get_pipe_config(struct intel_crtc *crtc, |
6780 | struct intel_crtc_config *pipe_config) | |
6781 | { | |
6782 | struct drm_device *dev = crtc->base.dev; | |
6783 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6784 | uint32_t tmp; | |
6785 | ||
e143a21c | 6786 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
c0d43d62 | 6787 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
eccb140b | 6788 | |
0e8ffe1b DV |
6789 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
6790 | if (!(tmp & PIPECONF_ENABLE)) | |
6791 | return false; | |
6792 | ||
42571aef VS |
6793 | switch (tmp & PIPECONF_BPC_MASK) { |
6794 | case PIPECONF_6BPC: | |
6795 | pipe_config->pipe_bpp = 18; | |
6796 | break; | |
6797 | case PIPECONF_8BPC: | |
6798 | pipe_config->pipe_bpp = 24; | |
6799 | break; | |
6800 | case PIPECONF_10BPC: | |
6801 | pipe_config->pipe_bpp = 30; | |
6802 | break; | |
6803 | case PIPECONF_12BPC: | |
6804 | pipe_config->pipe_bpp = 36; | |
6805 | break; | |
6806 | default: | |
6807 | break; | |
6808 | } | |
6809 | ||
ab9412ba | 6810 | if (I915_READ(PCH_TRANSCONF(crtc->pipe)) & TRANS_ENABLE) { |
66e985c0 DV |
6811 | struct intel_shared_dpll *pll; |
6812 | ||
88adfff1 DV |
6813 | pipe_config->has_pch_encoder = true; |
6814 | ||
627eb5a3 DV |
6815 | tmp = I915_READ(FDI_RX_CTL(crtc->pipe)); |
6816 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
6817 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
72419203 DV |
6818 | |
6819 | ironlake_get_fdi_m_n_config(crtc, pipe_config); | |
6c49f241 | 6820 | |
c0d43d62 | 6821 | if (HAS_PCH_IBX(dev_priv->dev)) { |
d94ab068 DV |
6822 | pipe_config->shared_dpll = |
6823 | (enum intel_dpll_id) crtc->pipe; | |
c0d43d62 DV |
6824 | } else { |
6825 | tmp = I915_READ(PCH_DPLL_SEL); | |
6826 | if (tmp & TRANS_DPLLB_SEL(crtc->pipe)) | |
6827 | pipe_config->shared_dpll = DPLL_ID_PCH_PLL_B; | |
6828 | else | |
6829 | pipe_config->shared_dpll = DPLL_ID_PCH_PLL_A; | |
6830 | } | |
66e985c0 DV |
6831 | |
6832 | pll = &dev_priv->shared_dplls[pipe_config->shared_dpll]; | |
6833 | ||
6834 | WARN_ON(!pll->get_hw_state(dev_priv, pll, | |
6835 | &pipe_config->dpll_hw_state)); | |
c93f54cf DV |
6836 | |
6837 | tmp = pipe_config->dpll_hw_state.dpll; | |
6838 | pipe_config->pixel_multiplier = | |
6839 | ((tmp & PLL_REF_SDVO_HDMI_MULTIPLIER_MASK) | |
6840 | >> PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT) + 1; | |
18442d08 VS |
6841 | |
6842 | ironlake_pch_clock_get(crtc, pipe_config); | |
6c49f241 DV |
6843 | } else { |
6844 | pipe_config->pixel_multiplier = 1; | |
627eb5a3 DV |
6845 | } |
6846 | ||
1bd1bd80 DV |
6847 | intel_get_pipe_timings(crtc, pipe_config); |
6848 | ||
2fa2fe9a DV |
6849 | ironlake_get_pfit_config(crtc, pipe_config); |
6850 | ||
0e8ffe1b DV |
6851 | return true; |
6852 | } | |
6853 | ||
be256dc7 PZ |
6854 | static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv) |
6855 | { | |
6856 | struct drm_device *dev = dev_priv->dev; | |
6857 | struct intel_ddi_plls *plls = &dev_priv->ddi_plls; | |
6858 | struct intel_crtc *crtc; | |
be256dc7 PZ |
6859 | |
6860 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) | |
798183c5 | 6861 | WARN(crtc->active, "CRTC for pipe %c enabled\n", |
be256dc7 PZ |
6862 | pipe_name(crtc->pipe)); |
6863 | ||
6864 | WARN(I915_READ(HSW_PWR_WELL_DRIVER), "Power well on\n"); | |
6865 | WARN(plls->spll_refcount, "SPLL enabled\n"); | |
6866 | WARN(plls->wrpll1_refcount, "WRPLL1 enabled\n"); | |
6867 | WARN(plls->wrpll2_refcount, "WRPLL2 enabled\n"); | |
6868 | WARN(I915_READ(PCH_PP_STATUS) & PP_ON, "Panel power on\n"); | |
6869 | WARN(I915_READ(BLC_PWM_CPU_CTL2) & BLM_PWM_ENABLE, | |
6870 | "CPU PWM1 enabled\n"); | |
6871 | WARN(I915_READ(HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE, | |
6872 | "CPU PWM2 enabled\n"); | |
6873 | WARN(I915_READ(BLC_PWM_PCH_CTL1) & BLM_PCH_PWM_ENABLE, | |
6874 | "PCH PWM1 enabled\n"); | |
6875 | WARN(I915_READ(UTIL_PIN_CTL) & UTIL_PIN_ENABLE, | |
6876 | "Utility pin enabled\n"); | |
6877 | WARN(I915_READ(PCH_GTC_CTL) & PCH_GTC_ENABLE, "PCH GTC enabled\n"); | |
6878 | ||
9926ada1 PZ |
6879 | /* |
6880 | * In theory we can still leave IRQs enabled, as long as only the HPD | |
6881 | * interrupts remain enabled. We used to check for that, but since it's | |
6882 | * gen-specific and since we only disable LCPLL after we fully disable | |
6883 | * the interrupts, the check below should be enough. | |
6884 | */ | |
6885 | WARN(!dev_priv->pm.irqs_disabled, "IRQs enabled\n"); | |
be256dc7 PZ |
6886 | } |
6887 | ||
3c4c9b81 PZ |
6888 | static void hsw_write_dcomp(struct drm_i915_private *dev_priv, uint32_t val) |
6889 | { | |
6890 | struct drm_device *dev = dev_priv->dev; | |
6891 | ||
6892 | if (IS_HASWELL(dev)) { | |
6893 | mutex_lock(&dev_priv->rps.hw_lock); | |
6894 | if (sandybridge_pcode_write(dev_priv, GEN6_PCODE_WRITE_D_COMP, | |
6895 | val)) | |
6896 | DRM_ERROR("Failed to disable D_COMP\n"); | |
6897 | mutex_unlock(&dev_priv->rps.hw_lock); | |
6898 | } else { | |
6899 | I915_WRITE(D_COMP, val); | |
6900 | } | |
6901 | POSTING_READ(D_COMP); | |
6902 | } | |
6903 | ||
be256dc7 PZ |
6904 | /* |
6905 | * This function implements pieces of two sequences from BSpec: | |
6906 | * - Sequence for display software to disable LCPLL | |
6907 | * - Sequence for display software to allow package C8+ | |
6908 | * The steps implemented here are just the steps that actually touch the LCPLL | |
6909 | * register. Callers should take care of disabling all the display engine | |
6910 | * functions, doing the mode unset, fixing interrupts, etc. | |
6911 | */ | |
6ff58d53 PZ |
6912 | static void hsw_disable_lcpll(struct drm_i915_private *dev_priv, |
6913 | bool switch_to_fclk, bool allow_power_down) | |
be256dc7 PZ |
6914 | { |
6915 | uint32_t val; | |
6916 | ||
6917 | assert_can_disable_lcpll(dev_priv); | |
6918 | ||
6919 | val = I915_READ(LCPLL_CTL); | |
6920 | ||
6921 | if (switch_to_fclk) { | |
6922 | val |= LCPLL_CD_SOURCE_FCLK; | |
6923 | I915_WRITE(LCPLL_CTL, val); | |
6924 | ||
6925 | if (wait_for_atomic_us(I915_READ(LCPLL_CTL) & | |
6926 | LCPLL_CD_SOURCE_FCLK_DONE, 1)) | |
6927 | DRM_ERROR("Switching to FCLK failed\n"); | |
6928 | ||
6929 | val = I915_READ(LCPLL_CTL); | |
6930 | } | |
6931 | ||
6932 | val |= LCPLL_PLL_DISABLE; | |
6933 | I915_WRITE(LCPLL_CTL, val); | |
6934 | POSTING_READ(LCPLL_CTL); | |
6935 | ||
6936 | if (wait_for((I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK) == 0, 1)) | |
6937 | DRM_ERROR("LCPLL still locked\n"); | |
6938 | ||
6939 | val = I915_READ(D_COMP); | |
6940 | val |= D_COMP_COMP_DISABLE; | |
3c4c9b81 | 6941 | hsw_write_dcomp(dev_priv, val); |
be256dc7 PZ |
6942 | ndelay(100); |
6943 | ||
6944 | if (wait_for((I915_READ(D_COMP) & D_COMP_RCOMP_IN_PROGRESS) == 0, 1)) | |
6945 | DRM_ERROR("D_COMP RCOMP still in progress\n"); | |
6946 | ||
6947 | if (allow_power_down) { | |
6948 | val = I915_READ(LCPLL_CTL); | |
6949 | val |= LCPLL_POWER_DOWN_ALLOW; | |
6950 | I915_WRITE(LCPLL_CTL, val); | |
6951 | POSTING_READ(LCPLL_CTL); | |
6952 | } | |
6953 | } | |
6954 | ||
6955 | /* | |
6956 | * Fully restores LCPLL, disallowing power down and switching back to LCPLL | |
6957 | * source. | |
6958 | */ | |
6ff58d53 | 6959 | static void hsw_restore_lcpll(struct drm_i915_private *dev_priv) |
be256dc7 PZ |
6960 | { |
6961 | uint32_t val; | |
a8a8bd54 | 6962 | unsigned long irqflags; |
be256dc7 PZ |
6963 | |
6964 | val = I915_READ(LCPLL_CTL); | |
6965 | ||
6966 | if ((val & (LCPLL_PLL_LOCK | LCPLL_PLL_DISABLE | LCPLL_CD_SOURCE_FCLK | | |
6967 | LCPLL_POWER_DOWN_ALLOW)) == LCPLL_PLL_LOCK) | |
6968 | return; | |
6969 | ||
a8a8bd54 PZ |
6970 | /* |
6971 | * Make sure we're not on PC8 state before disabling PC8, otherwise | |
6972 | * we'll hang the machine. To prevent PC8 state, just enable force_wake. | |
6973 | * | |
6974 | * The other problem is that hsw_restore_lcpll() is called as part of | |
6975 | * the runtime PM resume sequence, so we can't just call | |
6976 | * gen6_gt_force_wake_get() because that function calls | |
6977 | * intel_runtime_pm_get(), and we can't change the runtime PM refcount | |
6978 | * while we are on the resume sequence. So to solve this problem we have | |
6979 | * to call special forcewake code that doesn't touch runtime PM and | |
6980 | * doesn't enable the forcewake delayed work. | |
6981 | */ | |
6982 | spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); | |
6983 | if (dev_priv->uncore.forcewake_count++ == 0) | |
6984 | dev_priv->uncore.funcs.force_wake_get(dev_priv, FORCEWAKE_ALL); | |
6985 | spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); | |
215733fa | 6986 | |
be256dc7 PZ |
6987 | if (val & LCPLL_POWER_DOWN_ALLOW) { |
6988 | val &= ~LCPLL_POWER_DOWN_ALLOW; | |
6989 | I915_WRITE(LCPLL_CTL, val); | |
35d8f2eb | 6990 | POSTING_READ(LCPLL_CTL); |
be256dc7 PZ |
6991 | } |
6992 | ||
6993 | val = I915_READ(D_COMP); | |
6994 | val |= D_COMP_COMP_FORCE; | |
6995 | val &= ~D_COMP_COMP_DISABLE; | |
3c4c9b81 | 6996 | hsw_write_dcomp(dev_priv, val); |
be256dc7 PZ |
6997 | |
6998 | val = I915_READ(LCPLL_CTL); | |
6999 | val &= ~LCPLL_PLL_DISABLE; | |
7000 | I915_WRITE(LCPLL_CTL, val); | |
7001 | ||
7002 | if (wait_for(I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK, 5)) | |
7003 | DRM_ERROR("LCPLL not locked yet\n"); | |
7004 | ||
7005 | if (val & LCPLL_CD_SOURCE_FCLK) { | |
7006 | val = I915_READ(LCPLL_CTL); | |
7007 | val &= ~LCPLL_CD_SOURCE_FCLK; | |
7008 | I915_WRITE(LCPLL_CTL, val); | |
7009 | ||
7010 | if (wait_for_atomic_us((I915_READ(LCPLL_CTL) & | |
7011 | LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1)) | |
7012 | DRM_ERROR("Switching back to LCPLL failed\n"); | |
7013 | } | |
215733fa | 7014 | |
a8a8bd54 PZ |
7015 | /* See the big comment above. */ |
7016 | spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); | |
7017 | if (--dev_priv->uncore.forcewake_count == 0) | |
7018 | dev_priv->uncore.funcs.force_wake_put(dev_priv, FORCEWAKE_ALL); | |
7019 | spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); | |
be256dc7 PZ |
7020 | } |
7021 | ||
765dab67 PZ |
7022 | /* |
7023 | * Package states C8 and deeper are really deep PC states that can only be | |
7024 | * reached when all the devices on the system allow it, so even if the graphics | |
7025 | * device allows PC8+, it doesn't mean the system will actually get to these | |
7026 | * states. Our driver only allows PC8+ when going into runtime PM. | |
7027 | * | |
7028 | * The requirements for PC8+ are that all the outputs are disabled, the power | |
7029 | * well is disabled and most interrupts are disabled, and these are also | |
7030 | * requirements for runtime PM. When these conditions are met, we manually do | |
7031 | * the other conditions: disable the interrupts, clocks and switch LCPLL refclk | |
7032 | * to Fclk. If we're in PC8+ and we get an non-hotplug interrupt, we can hard | |
7033 | * hang the machine. | |
7034 | * | |
7035 | * When we really reach PC8 or deeper states (not just when we allow it) we lose | |
7036 | * the state of some registers, so when we come back from PC8+ we need to | |
7037 | * restore this state. We don't get into PC8+ if we're not in RC6, so we don't | |
7038 | * need to take care of the registers kept by RC6. Notice that this happens even | |
7039 | * if we don't put the device in PCI D3 state (which is what currently happens | |
7040 | * because of the runtime PM support). | |
7041 | * | |
7042 | * For more, read "Display Sequences for Package C8" on the hardware | |
7043 | * documentation. | |
7044 | */ | |
a14cb6fc | 7045 | void hsw_enable_pc8(struct drm_i915_private *dev_priv) |
c67a470b | 7046 | { |
c67a470b PZ |
7047 | struct drm_device *dev = dev_priv->dev; |
7048 | uint32_t val; | |
7049 | ||
c67a470b PZ |
7050 | DRM_DEBUG_KMS("Enabling package C8+\n"); |
7051 | ||
c67a470b PZ |
7052 | if (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) { |
7053 | val = I915_READ(SOUTH_DSPCLK_GATE_D); | |
7054 | val &= ~PCH_LP_PARTITION_LEVEL_DISABLE; | |
7055 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); | |
7056 | } | |
7057 | ||
7058 | lpt_disable_clkout_dp(dev); | |
730488b2 | 7059 | intel_runtime_pm_disable_interrupts(dev); |
c67a470b | 7060 | hsw_disable_lcpll(dev_priv, true, true); |
b4d2a9a0 PZ |
7061 | } |
7062 | ||
a14cb6fc | 7063 | void hsw_disable_pc8(struct drm_i915_private *dev_priv) |
c67a470b PZ |
7064 | { |
7065 | struct drm_device *dev = dev_priv->dev; | |
7066 | uint32_t val; | |
7067 | ||
c67a470b PZ |
7068 | DRM_DEBUG_KMS("Disabling package C8+\n"); |
7069 | ||
7070 | hsw_restore_lcpll(dev_priv); | |
730488b2 | 7071 | intel_runtime_pm_restore_interrupts(dev); |
c67a470b PZ |
7072 | lpt_init_pch_refclk(dev); |
7073 | ||
7074 | if (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) { | |
7075 | val = I915_READ(SOUTH_DSPCLK_GATE_D); | |
7076 | val |= PCH_LP_PARTITION_LEVEL_DISABLE; | |
7077 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); | |
7078 | } | |
7079 | ||
7080 | intel_prepare_ddi(dev); | |
7081 | i915_gem_init_swizzling(dev); | |
7082 | mutex_lock(&dev_priv->rps.hw_lock); | |
7083 | gen6_update_ring_freq(dev); | |
7084 | mutex_unlock(&dev_priv->rps.hw_lock); | |
c67a470b PZ |
7085 | } |
7086 | ||
9a952a0d PZ |
7087 | static void snb_modeset_global_resources(struct drm_device *dev) |
7088 | { | |
7089 | modeset_update_crtc_power_domains(dev); | |
7090 | } | |
7091 | ||
4f074129 ID |
7092 | static void haswell_modeset_global_resources(struct drm_device *dev) |
7093 | { | |
da723569 | 7094 | modeset_update_crtc_power_domains(dev); |
d6dd9eb1 DV |
7095 | } |
7096 | ||
09b4ddf9 | 7097 | static int haswell_crtc_mode_set(struct drm_crtc *crtc, |
09b4ddf9 PZ |
7098 | int x, int y, |
7099 | struct drm_framebuffer *fb) | |
7100 | { | |
7101 | struct drm_device *dev = crtc->dev; | |
7102 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7103 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
09b4ddf9 | 7104 | int plane = intel_crtc->plane; |
09b4ddf9 | 7105 | int ret; |
09b4ddf9 | 7106 | |
566b734a | 7107 | if (!intel_ddi_pll_select(intel_crtc)) |
6441ab5f | 7108 | return -EINVAL; |
566b734a | 7109 | intel_ddi_pll_enable(intel_crtc); |
6441ab5f | 7110 | |
03afc4a2 DV |
7111 | if (intel_crtc->config.has_dp_encoder) |
7112 | intel_dp_set_m_n(intel_crtc); | |
09b4ddf9 PZ |
7113 | |
7114 | intel_crtc->lowfreq_avail = false; | |
09b4ddf9 | 7115 | |
8a654f3b | 7116 | intel_set_pipe_timings(intel_crtc); |
09b4ddf9 | 7117 | |
ca3a0ff8 | 7118 | if (intel_crtc->config.has_pch_encoder) { |
ca3a0ff8 DV |
7119 | intel_cpu_transcoder_set_m_n(intel_crtc, |
7120 | &intel_crtc->config.fdi_m_n); | |
7121 | } | |
09b4ddf9 | 7122 | |
6ff93609 | 7123 | haswell_set_pipeconf(crtc); |
09b4ddf9 | 7124 | |
50f3b016 | 7125 | intel_set_pipe_csc(crtc); |
86d3efce | 7126 | |
09b4ddf9 | 7127 | /* Set up the display plane register */ |
86d3efce | 7128 | I915_WRITE(DSPCNTR(plane), DISPPLANE_GAMMA_ENABLE | DISPPLANE_PIPE_CSC_ENABLE); |
09b4ddf9 PZ |
7129 | POSTING_READ(DSPCNTR(plane)); |
7130 | ||
7131 | ret = intel_pipe_set_base(crtc, x, y, fb); | |
7132 | ||
1f803ee5 | 7133 | return ret; |
79e53945 JB |
7134 | } |
7135 | ||
0e8ffe1b DV |
7136 | static bool haswell_get_pipe_config(struct intel_crtc *crtc, |
7137 | struct intel_crtc_config *pipe_config) | |
7138 | { | |
7139 | struct drm_device *dev = crtc->base.dev; | |
7140 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2fa2fe9a | 7141 | enum intel_display_power_domain pfit_domain; |
0e8ffe1b DV |
7142 | uint32_t tmp; |
7143 | ||
b5482bd0 ID |
7144 | if (!intel_display_power_enabled(dev_priv, |
7145 | POWER_DOMAIN_PIPE(crtc->pipe))) | |
7146 | return false; | |
7147 | ||
e143a21c | 7148 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
c0d43d62 DV |
7149 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
7150 | ||
eccb140b DV |
7151 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); |
7152 | if (tmp & TRANS_DDI_FUNC_ENABLE) { | |
7153 | enum pipe trans_edp_pipe; | |
7154 | switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { | |
7155 | default: | |
7156 | WARN(1, "unknown pipe linked to edp transcoder\n"); | |
7157 | case TRANS_DDI_EDP_INPUT_A_ONOFF: | |
7158 | case TRANS_DDI_EDP_INPUT_A_ON: | |
7159 | trans_edp_pipe = PIPE_A; | |
7160 | break; | |
7161 | case TRANS_DDI_EDP_INPUT_B_ONOFF: | |
7162 | trans_edp_pipe = PIPE_B; | |
7163 | break; | |
7164 | case TRANS_DDI_EDP_INPUT_C_ONOFF: | |
7165 | trans_edp_pipe = PIPE_C; | |
7166 | break; | |
7167 | } | |
7168 | ||
7169 | if (trans_edp_pipe == crtc->pipe) | |
7170 | pipe_config->cpu_transcoder = TRANSCODER_EDP; | |
7171 | } | |
7172 | ||
da7e29bd | 7173 | if (!intel_display_power_enabled(dev_priv, |
eccb140b | 7174 | POWER_DOMAIN_TRANSCODER(pipe_config->cpu_transcoder))) |
2bfce950 PZ |
7175 | return false; |
7176 | ||
eccb140b | 7177 | tmp = I915_READ(PIPECONF(pipe_config->cpu_transcoder)); |
0e8ffe1b DV |
7178 | if (!(tmp & PIPECONF_ENABLE)) |
7179 | return false; | |
7180 | ||
88adfff1 | 7181 | /* |
f196e6be | 7182 | * Haswell has only FDI/PCH transcoder A. It is which is connected to |
88adfff1 DV |
7183 | * DDI E. So just check whether this pipe is wired to DDI E and whether |
7184 | * the PCH transcoder is on. | |
7185 | */ | |
eccb140b | 7186 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder)); |
88adfff1 | 7187 | if ((tmp & TRANS_DDI_PORT_MASK) == TRANS_DDI_SELECT_PORT(PORT_E) && |
ab9412ba | 7188 | I915_READ(LPT_TRANSCONF) & TRANS_ENABLE) { |
88adfff1 DV |
7189 | pipe_config->has_pch_encoder = true; |
7190 | ||
627eb5a3 DV |
7191 | tmp = I915_READ(FDI_RX_CTL(PIPE_A)); |
7192 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
7193 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
72419203 DV |
7194 | |
7195 | ironlake_get_fdi_m_n_config(crtc, pipe_config); | |
627eb5a3 DV |
7196 | } |
7197 | ||
1bd1bd80 DV |
7198 | intel_get_pipe_timings(crtc, pipe_config); |
7199 | ||
2fa2fe9a | 7200 | pfit_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe); |
da7e29bd | 7201 | if (intel_display_power_enabled(dev_priv, pfit_domain)) |
2fa2fe9a | 7202 | ironlake_get_pfit_config(crtc, pipe_config); |
88adfff1 | 7203 | |
e59150dc JB |
7204 | if (IS_HASWELL(dev)) |
7205 | pipe_config->ips_enabled = hsw_crtc_supports_ips(crtc) && | |
7206 | (I915_READ(IPS_CTL) & IPS_ENABLE); | |
42db64ef | 7207 | |
6c49f241 DV |
7208 | pipe_config->pixel_multiplier = 1; |
7209 | ||
0e8ffe1b DV |
7210 | return true; |
7211 | } | |
7212 | ||
f564048e | 7213 | static int intel_crtc_mode_set(struct drm_crtc *crtc, |
f564048e | 7214 | int x, int y, |
94352cf9 | 7215 | struct drm_framebuffer *fb) |
f564048e EA |
7216 | { |
7217 | struct drm_device *dev = crtc->dev; | |
7218 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9256aa19 | 7219 | struct intel_encoder *encoder; |
0b701d27 | 7220 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
b8cecdf5 | 7221 | struct drm_display_mode *mode = &intel_crtc->config.requested_mode; |
0b701d27 | 7222 | int pipe = intel_crtc->pipe; |
f564048e EA |
7223 | int ret; |
7224 | ||
0b701d27 | 7225 | drm_vblank_pre_modeset(dev, pipe); |
7662c8bd | 7226 | |
b8cecdf5 DV |
7227 | ret = dev_priv->display.crtc_mode_set(crtc, x, y, fb); |
7228 | ||
79e53945 | 7229 | drm_vblank_post_modeset(dev, pipe); |
5c3b82e2 | 7230 | |
9256aa19 DV |
7231 | if (ret != 0) |
7232 | return ret; | |
7233 | ||
7234 | for_each_encoder_on_crtc(dev, crtc, encoder) { | |
7235 | DRM_DEBUG_KMS("[ENCODER:%d:%s] set [MODE:%d:%s]\n", | |
7236 | encoder->base.base.id, | |
7237 | drm_get_encoder_name(&encoder->base), | |
7238 | mode->base.id, mode->name); | |
36f2d1f1 | 7239 | encoder->mode_set(encoder); |
9256aa19 DV |
7240 | } |
7241 | ||
7242 | return 0; | |
79e53945 JB |
7243 | } |
7244 | ||
1a91510d JN |
7245 | static struct { |
7246 | int clock; | |
7247 | u32 config; | |
7248 | } hdmi_audio_clock[] = { | |
7249 | { DIV_ROUND_UP(25200 * 1000, 1001), AUD_CONFIG_PIXEL_CLOCK_HDMI_25175 }, | |
7250 | { 25200, AUD_CONFIG_PIXEL_CLOCK_HDMI_25200 }, /* default per bspec */ | |
7251 | { 27000, AUD_CONFIG_PIXEL_CLOCK_HDMI_27000 }, | |
7252 | { 27000 * 1001 / 1000, AUD_CONFIG_PIXEL_CLOCK_HDMI_27027 }, | |
7253 | { 54000, AUD_CONFIG_PIXEL_CLOCK_HDMI_54000 }, | |
7254 | { 54000 * 1001 / 1000, AUD_CONFIG_PIXEL_CLOCK_HDMI_54054 }, | |
7255 | { DIV_ROUND_UP(74250 * 1000, 1001), AUD_CONFIG_PIXEL_CLOCK_HDMI_74176 }, | |
7256 | { 74250, AUD_CONFIG_PIXEL_CLOCK_HDMI_74250 }, | |
7257 | { DIV_ROUND_UP(148500 * 1000, 1001), AUD_CONFIG_PIXEL_CLOCK_HDMI_148352 }, | |
7258 | { 148500, AUD_CONFIG_PIXEL_CLOCK_HDMI_148500 }, | |
7259 | }; | |
7260 | ||
7261 | /* get AUD_CONFIG_PIXEL_CLOCK_HDMI_* value for mode */ | |
7262 | static u32 audio_config_hdmi_pixel_clock(struct drm_display_mode *mode) | |
7263 | { | |
7264 | int i; | |
7265 | ||
7266 | for (i = 0; i < ARRAY_SIZE(hdmi_audio_clock); i++) { | |
7267 | if (mode->clock == hdmi_audio_clock[i].clock) | |
7268 | break; | |
7269 | } | |
7270 | ||
7271 | if (i == ARRAY_SIZE(hdmi_audio_clock)) { | |
7272 | DRM_DEBUG_KMS("HDMI audio pixel clock setting for %d not found, falling back to defaults\n", mode->clock); | |
7273 | i = 1; | |
7274 | } | |
7275 | ||
7276 | DRM_DEBUG_KMS("Configuring HDMI audio for pixel clock %d (0x%08x)\n", | |
7277 | hdmi_audio_clock[i].clock, | |
7278 | hdmi_audio_clock[i].config); | |
7279 | ||
7280 | return hdmi_audio_clock[i].config; | |
7281 | } | |
7282 | ||
3a9627f4 WF |
7283 | static bool intel_eld_uptodate(struct drm_connector *connector, |
7284 | int reg_eldv, uint32_t bits_eldv, | |
7285 | int reg_elda, uint32_t bits_elda, | |
7286 | int reg_edid) | |
7287 | { | |
7288 | struct drm_i915_private *dev_priv = connector->dev->dev_private; | |
7289 | uint8_t *eld = connector->eld; | |
7290 | uint32_t i; | |
7291 | ||
7292 | i = I915_READ(reg_eldv); | |
7293 | i &= bits_eldv; | |
7294 | ||
7295 | if (!eld[0]) | |
7296 | return !i; | |
7297 | ||
7298 | if (!i) | |
7299 | return false; | |
7300 | ||
7301 | i = I915_READ(reg_elda); | |
7302 | i &= ~bits_elda; | |
7303 | I915_WRITE(reg_elda, i); | |
7304 | ||
7305 | for (i = 0; i < eld[2]; i++) | |
7306 | if (I915_READ(reg_edid) != *((uint32_t *)eld + i)) | |
7307 | return false; | |
7308 | ||
7309 | return true; | |
7310 | } | |
7311 | ||
e0dac65e | 7312 | static void g4x_write_eld(struct drm_connector *connector, |
34427052 JN |
7313 | struct drm_crtc *crtc, |
7314 | struct drm_display_mode *mode) | |
e0dac65e WF |
7315 | { |
7316 | struct drm_i915_private *dev_priv = connector->dev->dev_private; | |
7317 | uint8_t *eld = connector->eld; | |
7318 | uint32_t eldv; | |
7319 | uint32_t len; | |
7320 | uint32_t i; | |
7321 | ||
7322 | i = I915_READ(G4X_AUD_VID_DID); | |
7323 | ||
7324 | if (i == INTEL_AUDIO_DEVBLC || i == INTEL_AUDIO_DEVCL) | |
7325 | eldv = G4X_ELDV_DEVCL_DEVBLC; | |
7326 | else | |
7327 | eldv = G4X_ELDV_DEVCTG; | |
7328 | ||
3a9627f4 WF |
7329 | if (intel_eld_uptodate(connector, |
7330 | G4X_AUD_CNTL_ST, eldv, | |
7331 | G4X_AUD_CNTL_ST, G4X_ELD_ADDR, | |
7332 | G4X_HDMIW_HDMIEDID)) | |
7333 | return; | |
7334 | ||
e0dac65e WF |
7335 | i = I915_READ(G4X_AUD_CNTL_ST); |
7336 | i &= ~(eldv | G4X_ELD_ADDR); | |
7337 | len = (i >> 9) & 0x1f; /* ELD buffer size */ | |
7338 | I915_WRITE(G4X_AUD_CNTL_ST, i); | |
7339 | ||
7340 | if (!eld[0]) | |
7341 | return; | |
7342 | ||
7343 | len = min_t(uint8_t, eld[2], len); | |
7344 | DRM_DEBUG_DRIVER("ELD size %d\n", len); | |
7345 | for (i = 0; i < len; i++) | |
7346 | I915_WRITE(G4X_HDMIW_HDMIEDID, *((uint32_t *)eld + i)); | |
7347 | ||
7348 | i = I915_READ(G4X_AUD_CNTL_ST); | |
7349 | i |= eldv; | |
7350 | I915_WRITE(G4X_AUD_CNTL_ST, i); | |
7351 | } | |
7352 | ||
83358c85 | 7353 | static void haswell_write_eld(struct drm_connector *connector, |
34427052 JN |
7354 | struct drm_crtc *crtc, |
7355 | struct drm_display_mode *mode) | |
83358c85 WX |
7356 | { |
7357 | struct drm_i915_private *dev_priv = connector->dev->dev_private; | |
7358 | uint8_t *eld = connector->eld; | |
7359 | struct drm_device *dev = crtc->dev; | |
7b9f35a6 | 7360 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
83358c85 WX |
7361 | uint32_t eldv; |
7362 | uint32_t i; | |
7363 | int len; | |
7364 | int pipe = to_intel_crtc(crtc)->pipe; | |
7365 | int tmp; | |
7366 | ||
7367 | int hdmiw_hdmiedid = HSW_AUD_EDID_DATA(pipe); | |
7368 | int aud_cntl_st = HSW_AUD_DIP_ELD_CTRL(pipe); | |
7369 | int aud_config = HSW_AUD_CFG(pipe); | |
7370 | int aud_cntrl_st2 = HSW_AUD_PIN_ELD_CP_VLD; | |
7371 | ||
7372 | ||
7373 | DRM_DEBUG_DRIVER("HDMI: Haswell Audio initialize....\n"); | |
7374 | ||
7375 | /* Audio output enable */ | |
7376 | DRM_DEBUG_DRIVER("HDMI audio: enable codec\n"); | |
7377 | tmp = I915_READ(aud_cntrl_st2); | |
7378 | tmp |= (AUDIO_OUTPUT_ENABLE_A << (pipe * 4)); | |
7379 | I915_WRITE(aud_cntrl_st2, tmp); | |
7380 | ||
7381 | /* Wait for 1 vertical blank */ | |
7382 | intel_wait_for_vblank(dev, pipe); | |
7383 | ||
7384 | /* Set ELD valid state */ | |
7385 | tmp = I915_READ(aud_cntrl_st2); | |
7e7cb34f | 7386 | DRM_DEBUG_DRIVER("HDMI audio: pin eld vld status=0x%08x\n", tmp); |
83358c85 WX |
7387 | tmp |= (AUDIO_ELD_VALID_A << (pipe * 4)); |
7388 | I915_WRITE(aud_cntrl_st2, tmp); | |
7389 | tmp = I915_READ(aud_cntrl_st2); | |
7e7cb34f | 7390 | DRM_DEBUG_DRIVER("HDMI audio: eld vld status=0x%08x\n", tmp); |
83358c85 WX |
7391 | |
7392 | /* Enable HDMI mode */ | |
7393 | tmp = I915_READ(aud_config); | |
7e7cb34f | 7394 | DRM_DEBUG_DRIVER("HDMI audio: audio conf: 0x%08x\n", tmp); |
83358c85 WX |
7395 | /* clear N_programing_enable and N_value_index */ |
7396 | tmp &= ~(AUD_CONFIG_N_VALUE_INDEX | AUD_CONFIG_N_PROG_ENABLE); | |
7397 | I915_WRITE(aud_config, tmp); | |
7398 | ||
7399 | DRM_DEBUG_DRIVER("ELD on pipe %c\n", pipe_name(pipe)); | |
7400 | ||
7401 | eldv = AUDIO_ELD_VALID_A << (pipe * 4); | |
7b9f35a6 | 7402 | intel_crtc->eld_vld = true; |
83358c85 WX |
7403 | |
7404 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) { | |
7405 | DRM_DEBUG_DRIVER("ELD: DisplayPort detected\n"); | |
7406 | eld[5] |= (1 << 2); /* Conn_Type, 0x1 = DisplayPort */ | |
7407 | I915_WRITE(aud_config, AUD_CONFIG_N_VALUE_INDEX); /* 0x1 = DP */ | |
1a91510d JN |
7408 | } else { |
7409 | I915_WRITE(aud_config, audio_config_hdmi_pixel_clock(mode)); | |
7410 | } | |
83358c85 WX |
7411 | |
7412 | if (intel_eld_uptodate(connector, | |
7413 | aud_cntrl_st2, eldv, | |
7414 | aud_cntl_st, IBX_ELD_ADDRESS, | |
7415 | hdmiw_hdmiedid)) | |
7416 | return; | |
7417 | ||
7418 | i = I915_READ(aud_cntrl_st2); | |
7419 | i &= ~eldv; | |
7420 | I915_WRITE(aud_cntrl_st2, i); | |
7421 | ||
7422 | if (!eld[0]) | |
7423 | return; | |
7424 | ||
7425 | i = I915_READ(aud_cntl_st); | |
7426 | i &= ~IBX_ELD_ADDRESS; | |
7427 | I915_WRITE(aud_cntl_st, i); | |
7428 | i = (i >> 29) & DIP_PORT_SEL_MASK; /* DIP_Port_Select, 0x1 = PortB */ | |
7429 | DRM_DEBUG_DRIVER("port num:%d\n", i); | |
7430 | ||
7431 | len = min_t(uint8_t, eld[2], 21); /* 84 bytes of hw ELD buffer */ | |
7432 | DRM_DEBUG_DRIVER("ELD size %d\n", len); | |
7433 | for (i = 0; i < len; i++) | |
7434 | I915_WRITE(hdmiw_hdmiedid, *((uint32_t *)eld + i)); | |
7435 | ||
7436 | i = I915_READ(aud_cntrl_st2); | |
7437 | i |= eldv; | |
7438 | I915_WRITE(aud_cntrl_st2, i); | |
7439 | ||
7440 | } | |
7441 | ||
e0dac65e | 7442 | static void ironlake_write_eld(struct drm_connector *connector, |
34427052 JN |
7443 | struct drm_crtc *crtc, |
7444 | struct drm_display_mode *mode) | |
e0dac65e WF |
7445 | { |
7446 | struct drm_i915_private *dev_priv = connector->dev->dev_private; | |
7447 | uint8_t *eld = connector->eld; | |
7448 | uint32_t eldv; | |
7449 | uint32_t i; | |
7450 | int len; | |
7451 | int hdmiw_hdmiedid; | |
b6daa025 | 7452 | int aud_config; |
e0dac65e WF |
7453 | int aud_cntl_st; |
7454 | int aud_cntrl_st2; | |
9b138a83 | 7455 | int pipe = to_intel_crtc(crtc)->pipe; |
e0dac65e | 7456 | |
b3f33cbf | 7457 | if (HAS_PCH_IBX(connector->dev)) { |
9b138a83 WX |
7458 | hdmiw_hdmiedid = IBX_HDMIW_HDMIEDID(pipe); |
7459 | aud_config = IBX_AUD_CFG(pipe); | |
7460 | aud_cntl_st = IBX_AUD_CNTL_ST(pipe); | |
1202b4c6 | 7461 | aud_cntrl_st2 = IBX_AUD_CNTL_ST2; |
9ca2fe73 ML |
7462 | } else if (IS_VALLEYVIEW(connector->dev)) { |
7463 | hdmiw_hdmiedid = VLV_HDMIW_HDMIEDID(pipe); | |
7464 | aud_config = VLV_AUD_CFG(pipe); | |
7465 | aud_cntl_st = VLV_AUD_CNTL_ST(pipe); | |
7466 | aud_cntrl_st2 = VLV_AUD_CNTL_ST2; | |
e0dac65e | 7467 | } else { |
9b138a83 WX |
7468 | hdmiw_hdmiedid = CPT_HDMIW_HDMIEDID(pipe); |
7469 | aud_config = CPT_AUD_CFG(pipe); | |
7470 | aud_cntl_st = CPT_AUD_CNTL_ST(pipe); | |
1202b4c6 | 7471 | aud_cntrl_st2 = CPT_AUD_CNTRL_ST2; |
e0dac65e WF |
7472 | } |
7473 | ||
9b138a83 | 7474 | DRM_DEBUG_DRIVER("ELD on pipe %c\n", pipe_name(pipe)); |
e0dac65e | 7475 | |
9ca2fe73 ML |
7476 | if (IS_VALLEYVIEW(connector->dev)) { |
7477 | struct intel_encoder *intel_encoder; | |
7478 | struct intel_digital_port *intel_dig_port; | |
7479 | ||
7480 | intel_encoder = intel_attached_encoder(connector); | |
7481 | intel_dig_port = enc_to_dig_port(&intel_encoder->base); | |
7482 | i = intel_dig_port->port; | |
7483 | } else { | |
7484 | i = I915_READ(aud_cntl_st); | |
7485 | i = (i >> 29) & DIP_PORT_SEL_MASK; | |
7486 | /* DIP_Port_Select, 0x1 = PortB */ | |
7487 | } | |
7488 | ||
e0dac65e WF |
7489 | if (!i) { |
7490 | DRM_DEBUG_DRIVER("Audio directed to unknown port\n"); | |
7491 | /* operate blindly on all ports */ | |
1202b4c6 WF |
7492 | eldv = IBX_ELD_VALIDB; |
7493 | eldv |= IBX_ELD_VALIDB << 4; | |
7494 | eldv |= IBX_ELD_VALIDB << 8; | |
e0dac65e | 7495 | } else { |
2582a850 | 7496 | DRM_DEBUG_DRIVER("ELD on port %c\n", port_name(i)); |
1202b4c6 | 7497 | eldv = IBX_ELD_VALIDB << ((i - 1) * 4); |
e0dac65e WF |
7498 | } |
7499 | ||
3a9627f4 WF |
7500 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) { |
7501 | DRM_DEBUG_DRIVER("ELD: DisplayPort detected\n"); | |
7502 | eld[5] |= (1 << 2); /* Conn_Type, 0x1 = DisplayPort */ | |
b6daa025 | 7503 | I915_WRITE(aud_config, AUD_CONFIG_N_VALUE_INDEX); /* 0x1 = DP */ |
1a91510d JN |
7504 | } else { |
7505 | I915_WRITE(aud_config, audio_config_hdmi_pixel_clock(mode)); | |
7506 | } | |
e0dac65e | 7507 | |
3a9627f4 WF |
7508 | if (intel_eld_uptodate(connector, |
7509 | aud_cntrl_st2, eldv, | |
7510 | aud_cntl_st, IBX_ELD_ADDRESS, | |
7511 | hdmiw_hdmiedid)) | |
7512 | return; | |
7513 | ||
e0dac65e WF |
7514 | i = I915_READ(aud_cntrl_st2); |
7515 | i &= ~eldv; | |
7516 | I915_WRITE(aud_cntrl_st2, i); | |
7517 | ||
7518 | if (!eld[0]) | |
7519 | return; | |
7520 | ||
e0dac65e | 7521 | i = I915_READ(aud_cntl_st); |
1202b4c6 | 7522 | i &= ~IBX_ELD_ADDRESS; |
e0dac65e WF |
7523 | I915_WRITE(aud_cntl_st, i); |
7524 | ||
7525 | len = min_t(uint8_t, eld[2], 21); /* 84 bytes of hw ELD buffer */ | |
7526 | DRM_DEBUG_DRIVER("ELD size %d\n", len); | |
7527 | for (i = 0; i < len; i++) | |
7528 | I915_WRITE(hdmiw_hdmiedid, *((uint32_t *)eld + i)); | |
7529 | ||
7530 | i = I915_READ(aud_cntrl_st2); | |
7531 | i |= eldv; | |
7532 | I915_WRITE(aud_cntrl_st2, i); | |
7533 | } | |
7534 | ||
7535 | void intel_write_eld(struct drm_encoder *encoder, | |
7536 | struct drm_display_mode *mode) | |
7537 | { | |
7538 | struct drm_crtc *crtc = encoder->crtc; | |
7539 | struct drm_connector *connector; | |
7540 | struct drm_device *dev = encoder->dev; | |
7541 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7542 | ||
7543 | connector = drm_select_eld(encoder, mode); | |
7544 | if (!connector) | |
7545 | return; | |
7546 | ||
7547 | DRM_DEBUG_DRIVER("ELD on [CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", | |
7548 | connector->base.id, | |
7549 | drm_get_connector_name(connector), | |
7550 | connector->encoder->base.id, | |
7551 | drm_get_encoder_name(connector->encoder)); | |
7552 | ||
7553 | connector->eld[6] = drm_av_sync_delay(connector, mode) / 2; | |
7554 | ||
7555 | if (dev_priv->display.write_eld) | |
34427052 | 7556 | dev_priv->display.write_eld(connector, crtc, mode); |
e0dac65e WF |
7557 | } |
7558 | ||
560b85bb CW |
7559 | static void i845_update_cursor(struct drm_crtc *crtc, u32 base) |
7560 | { | |
7561 | struct drm_device *dev = crtc->dev; | |
7562 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7563 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
7564 | bool visible = base != 0; | |
7565 | u32 cntl; | |
7566 | ||
7567 | if (intel_crtc->cursor_visible == visible) | |
7568 | return; | |
7569 | ||
9db4a9c7 | 7570 | cntl = I915_READ(_CURACNTR); |
560b85bb CW |
7571 | if (visible) { |
7572 | /* On these chipsets we can only modify the base whilst | |
7573 | * the cursor is disabled. | |
7574 | */ | |
9db4a9c7 | 7575 | I915_WRITE(_CURABASE, base); |
560b85bb CW |
7576 | |
7577 | cntl &= ~(CURSOR_FORMAT_MASK); | |
7578 | /* XXX width must be 64, stride 256 => 0x00 << 28 */ | |
7579 | cntl |= CURSOR_ENABLE | | |
7580 | CURSOR_GAMMA_ENABLE | | |
7581 | CURSOR_FORMAT_ARGB; | |
7582 | } else | |
7583 | cntl &= ~(CURSOR_ENABLE | CURSOR_GAMMA_ENABLE); | |
9db4a9c7 | 7584 | I915_WRITE(_CURACNTR, cntl); |
560b85bb CW |
7585 | |
7586 | intel_crtc->cursor_visible = visible; | |
7587 | } | |
7588 | ||
7589 | static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base) | |
7590 | { | |
7591 | struct drm_device *dev = crtc->dev; | |
7592 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7593 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
7594 | int pipe = intel_crtc->pipe; | |
7595 | bool visible = base != 0; | |
7596 | ||
7597 | if (intel_crtc->cursor_visible != visible) { | |
4726e0b0 | 7598 | int16_t width = intel_crtc->cursor_width; |
548f245b | 7599 | uint32_t cntl = I915_READ(CURCNTR(pipe)); |
560b85bb CW |
7600 | if (base) { |
7601 | cntl &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT); | |
4726e0b0 SK |
7602 | cntl |= MCURSOR_GAMMA_ENABLE; |
7603 | ||
7604 | switch (width) { | |
7605 | case 64: | |
7606 | cntl |= CURSOR_MODE_64_ARGB_AX; | |
7607 | break; | |
7608 | case 128: | |
7609 | cntl |= CURSOR_MODE_128_ARGB_AX; | |
7610 | break; | |
7611 | case 256: | |
7612 | cntl |= CURSOR_MODE_256_ARGB_AX; | |
7613 | break; | |
7614 | default: | |
7615 | WARN_ON(1); | |
7616 | return; | |
7617 | } | |
560b85bb CW |
7618 | cntl |= pipe << 28; /* Connect to correct pipe */ |
7619 | } else { | |
7620 | cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE); | |
7621 | cntl |= CURSOR_MODE_DISABLE; | |
7622 | } | |
9db4a9c7 | 7623 | I915_WRITE(CURCNTR(pipe), cntl); |
560b85bb CW |
7624 | |
7625 | intel_crtc->cursor_visible = visible; | |
7626 | } | |
7627 | /* and commit changes on next vblank */ | |
b2ea8ef5 | 7628 | POSTING_READ(CURCNTR(pipe)); |
9db4a9c7 | 7629 | I915_WRITE(CURBASE(pipe), base); |
b2ea8ef5 | 7630 | POSTING_READ(CURBASE(pipe)); |
560b85bb CW |
7631 | } |
7632 | ||
65a21cd6 JB |
7633 | static void ivb_update_cursor(struct drm_crtc *crtc, u32 base) |
7634 | { | |
7635 | struct drm_device *dev = crtc->dev; | |
7636 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7637 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
7638 | int pipe = intel_crtc->pipe; | |
7639 | bool visible = base != 0; | |
7640 | ||
7641 | if (intel_crtc->cursor_visible != visible) { | |
4726e0b0 | 7642 | int16_t width = intel_crtc->cursor_width; |
65a21cd6 JB |
7643 | uint32_t cntl = I915_READ(CURCNTR_IVB(pipe)); |
7644 | if (base) { | |
7645 | cntl &= ~CURSOR_MODE; | |
4726e0b0 SK |
7646 | cntl |= MCURSOR_GAMMA_ENABLE; |
7647 | switch (width) { | |
7648 | case 64: | |
7649 | cntl |= CURSOR_MODE_64_ARGB_AX; | |
7650 | break; | |
7651 | case 128: | |
7652 | cntl |= CURSOR_MODE_128_ARGB_AX; | |
7653 | break; | |
7654 | case 256: | |
7655 | cntl |= CURSOR_MODE_256_ARGB_AX; | |
7656 | break; | |
7657 | default: | |
7658 | WARN_ON(1); | |
7659 | return; | |
7660 | } | |
65a21cd6 JB |
7661 | } else { |
7662 | cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE); | |
7663 | cntl |= CURSOR_MODE_DISABLE; | |
7664 | } | |
6bbfa1c5 | 7665 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
86d3efce | 7666 | cntl |= CURSOR_PIPE_CSC_ENABLE; |
1f5d76db PZ |
7667 | cntl &= ~CURSOR_TRICKLE_FEED_DISABLE; |
7668 | } | |
65a21cd6 JB |
7669 | I915_WRITE(CURCNTR_IVB(pipe), cntl); |
7670 | ||
7671 | intel_crtc->cursor_visible = visible; | |
7672 | } | |
7673 | /* and commit changes on next vblank */ | |
b2ea8ef5 | 7674 | POSTING_READ(CURCNTR_IVB(pipe)); |
65a21cd6 | 7675 | I915_WRITE(CURBASE_IVB(pipe), base); |
b2ea8ef5 | 7676 | POSTING_READ(CURBASE_IVB(pipe)); |
65a21cd6 JB |
7677 | } |
7678 | ||
cda4b7d3 | 7679 | /* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */ |
6b383a7f CW |
7680 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, |
7681 | bool on) | |
cda4b7d3 CW |
7682 | { |
7683 | struct drm_device *dev = crtc->dev; | |
7684 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7685 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
7686 | int pipe = intel_crtc->pipe; | |
7687 | int x = intel_crtc->cursor_x; | |
7688 | int y = intel_crtc->cursor_y; | |
d6e4db15 | 7689 | u32 base = 0, pos = 0; |
cda4b7d3 CW |
7690 | bool visible; |
7691 | ||
d6e4db15 | 7692 | if (on) |
cda4b7d3 | 7693 | base = intel_crtc->cursor_addr; |
cda4b7d3 | 7694 | |
d6e4db15 VS |
7695 | if (x >= intel_crtc->config.pipe_src_w) |
7696 | base = 0; | |
7697 | ||
7698 | if (y >= intel_crtc->config.pipe_src_h) | |
cda4b7d3 CW |
7699 | base = 0; |
7700 | ||
7701 | if (x < 0) { | |
efc9064e | 7702 | if (x + intel_crtc->cursor_width <= 0) |
cda4b7d3 CW |
7703 | base = 0; |
7704 | ||
7705 | pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT; | |
7706 | x = -x; | |
7707 | } | |
7708 | pos |= x << CURSOR_X_SHIFT; | |
7709 | ||
7710 | if (y < 0) { | |
efc9064e | 7711 | if (y + intel_crtc->cursor_height <= 0) |
cda4b7d3 CW |
7712 | base = 0; |
7713 | ||
7714 | pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT; | |
7715 | y = -y; | |
7716 | } | |
7717 | pos |= y << CURSOR_Y_SHIFT; | |
7718 | ||
7719 | visible = base != 0; | |
560b85bb | 7720 | if (!visible && !intel_crtc->cursor_visible) |
cda4b7d3 CW |
7721 | return; |
7722 | ||
b3dc685e | 7723 | if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
65a21cd6 JB |
7724 | I915_WRITE(CURPOS_IVB(pipe), pos); |
7725 | ivb_update_cursor(crtc, base); | |
7726 | } else { | |
7727 | I915_WRITE(CURPOS(pipe), pos); | |
7728 | if (IS_845G(dev) || IS_I865G(dev)) | |
7729 | i845_update_cursor(crtc, base); | |
7730 | else | |
7731 | i9xx_update_cursor(crtc, base); | |
7732 | } | |
cda4b7d3 CW |
7733 | } |
7734 | ||
79e53945 | 7735 | static int intel_crtc_cursor_set(struct drm_crtc *crtc, |
05394f39 | 7736 | struct drm_file *file, |
79e53945 JB |
7737 | uint32_t handle, |
7738 | uint32_t width, uint32_t height) | |
7739 | { | |
7740 | struct drm_device *dev = crtc->dev; | |
7741 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7742 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
05394f39 | 7743 | struct drm_i915_gem_object *obj; |
64f962e3 | 7744 | unsigned old_width; |
cda4b7d3 | 7745 | uint32_t addr; |
3f8bc370 | 7746 | int ret; |
79e53945 | 7747 | |
79e53945 JB |
7748 | /* if we want to turn off the cursor ignore width and height */ |
7749 | if (!handle) { | |
28c97730 | 7750 | DRM_DEBUG_KMS("cursor off\n"); |
3f8bc370 | 7751 | addr = 0; |
05394f39 | 7752 | obj = NULL; |
5004417d | 7753 | mutex_lock(&dev->struct_mutex); |
3f8bc370 | 7754 | goto finish; |
79e53945 JB |
7755 | } |
7756 | ||
4726e0b0 SK |
7757 | /* Check for which cursor types we support */ |
7758 | if (!((width == 64 && height == 64) || | |
7759 | (width == 128 && height == 128 && !IS_GEN2(dev)) || | |
7760 | (width == 256 && height == 256 && !IS_GEN2(dev)))) { | |
7761 | DRM_DEBUG("Cursor dimension not supported\n"); | |
79e53945 JB |
7762 | return -EINVAL; |
7763 | } | |
7764 | ||
05394f39 | 7765 | obj = to_intel_bo(drm_gem_object_lookup(dev, file, handle)); |
c8725226 | 7766 | if (&obj->base == NULL) |
79e53945 JB |
7767 | return -ENOENT; |
7768 | ||
05394f39 | 7769 | if (obj->base.size < width * height * 4) { |
3b25b31f | 7770 | DRM_DEBUG_KMS("buffer is to small\n"); |
34b8686e DA |
7771 | ret = -ENOMEM; |
7772 | goto fail; | |
79e53945 JB |
7773 | } |
7774 | ||
71acb5eb | 7775 | /* we only need to pin inside GTT if cursor is non-phy */ |
7f9872e0 | 7776 | mutex_lock(&dev->struct_mutex); |
3d13ef2e | 7777 | if (!INTEL_INFO(dev)->cursor_needs_physical) { |
693db184 CW |
7778 | unsigned alignment; |
7779 | ||
d9e86c0e | 7780 | if (obj->tiling_mode) { |
3b25b31f | 7781 | DRM_DEBUG_KMS("cursor cannot be tiled\n"); |
d9e86c0e CW |
7782 | ret = -EINVAL; |
7783 | goto fail_locked; | |
7784 | } | |
7785 | ||
693db184 CW |
7786 | /* Note that the w/a also requires 2 PTE of padding following |
7787 | * the bo. We currently fill all unused PTE with the shadow | |
7788 | * page and so we should always have valid PTE following the | |
7789 | * cursor preventing the VT-d warning. | |
7790 | */ | |
7791 | alignment = 0; | |
7792 | if (need_vtd_wa(dev)) | |
7793 | alignment = 64*1024; | |
7794 | ||
7795 | ret = i915_gem_object_pin_to_display_plane(obj, alignment, NULL); | |
e7b526bb | 7796 | if (ret) { |
3b25b31f | 7797 | DRM_DEBUG_KMS("failed to move cursor bo into the GTT\n"); |
2da3b9b9 | 7798 | goto fail_locked; |
e7b526bb CW |
7799 | } |
7800 | ||
d9e86c0e CW |
7801 | ret = i915_gem_object_put_fence(obj); |
7802 | if (ret) { | |
3b25b31f | 7803 | DRM_DEBUG_KMS("failed to release fence for cursor"); |
d9e86c0e CW |
7804 | goto fail_unpin; |
7805 | } | |
7806 | ||
f343c5f6 | 7807 | addr = i915_gem_obj_ggtt_offset(obj); |
71acb5eb | 7808 | } else { |
6eeefaf3 | 7809 | int align = IS_I830(dev) ? 16 * 1024 : 256; |
05394f39 | 7810 | ret = i915_gem_attach_phys_object(dev, obj, |
6eeefaf3 CW |
7811 | (intel_crtc->pipe == 0) ? I915_GEM_PHYS_CURSOR_0 : I915_GEM_PHYS_CURSOR_1, |
7812 | align); | |
71acb5eb | 7813 | if (ret) { |
3b25b31f | 7814 | DRM_DEBUG_KMS("failed to attach phys object\n"); |
7f9872e0 | 7815 | goto fail_locked; |
71acb5eb | 7816 | } |
05394f39 | 7817 | addr = obj->phys_obj->handle->busaddr; |
3f8bc370 KH |
7818 | } |
7819 | ||
a6c45cf0 | 7820 | if (IS_GEN2(dev)) |
14b60391 JB |
7821 | I915_WRITE(CURSIZE, (height << 12) | width); |
7822 | ||
3f8bc370 | 7823 | finish: |
3f8bc370 | 7824 | if (intel_crtc->cursor_bo) { |
3d13ef2e | 7825 | if (INTEL_INFO(dev)->cursor_needs_physical) { |
05394f39 | 7826 | if (intel_crtc->cursor_bo != obj) |
71acb5eb DA |
7827 | i915_gem_detach_phys_object(dev, intel_crtc->cursor_bo); |
7828 | } else | |
cc98b413 | 7829 | i915_gem_object_unpin_from_display_plane(intel_crtc->cursor_bo); |
05394f39 | 7830 | drm_gem_object_unreference(&intel_crtc->cursor_bo->base); |
3f8bc370 | 7831 | } |
80824003 | 7832 | |
7f9872e0 | 7833 | mutex_unlock(&dev->struct_mutex); |
3f8bc370 | 7834 | |
64f962e3 CW |
7835 | old_width = intel_crtc->cursor_width; |
7836 | ||
3f8bc370 | 7837 | intel_crtc->cursor_addr = addr; |
05394f39 | 7838 | intel_crtc->cursor_bo = obj; |
cda4b7d3 CW |
7839 | intel_crtc->cursor_width = width; |
7840 | intel_crtc->cursor_height = height; | |
7841 | ||
64f962e3 CW |
7842 | if (intel_crtc->active) { |
7843 | if (old_width != width) | |
7844 | intel_update_watermarks(crtc); | |
f2f5f771 | 7845 | intel_crtc_update_cursor(crtc, intel_crtc->cursor_bo != NULL); |
64f962e3 | 7846 | } |
3f8bc370 | 7847 | |
79e53945 | 7848 | return 0; |
e7b526bb | 7849 | fail_unpin: |
cc98b413 | 7850 | i915_gem_object_unpin_from_display_plane(obj); |
7f9872e0 | 7851 | fail_locked: |
34b8686e | 7852 | mutex_unlock(&dev->struct_mutex); |
bc9025bd | 7853 | fail: |
05394f39 | 7854 | drm_gem_object_unreference_unlocked(&obj->base); |
34b8686e | 7855 | return ret; |
79e53945 JB |
7856 | } |
7857 | ||
7858 | static int intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) | |
7859 | { | |
79e53945 | 7860 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
79e53945 | 7861 | |
92e76c8c VS |
7862 | intel_crtc->cursor_x = clamp_t(int, x, SHRT_MIN, SHRT_MAX); |
7863 | intel_crtc->cursor_y = clamp_t(int, y, SHRT_MIN, SHRT_MAX); | |
652c393a | 7864 | |
f2f5f771 VS |
7865 | if (intel_crtc->active) |
7866 | intel_crtc_update_cursor(crtc, intel_crtc->cursor_bo != NULL); | |
79e53945 JB |
7867 | |
7868 | return 0; | |
b8c00ac5 DA |
7869 | } |
7870 | ||
79e53945 | 7871 | static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, |
7203425a | 7872 | u16 *blue, uint32_t start, uint32_t size) |
79e53945 | 7873 | { |
7203425a | 7874 | int end = (start + size > 256) ? 256 : start + size, i; |
79e53945 | 7875 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
79e53945 | 7876 | |
7203425a | 7877 | for (i = start; i < end; i++) { |
79e53945 JB |
7878 | intel_crtc->lut_r[i] = red[i] >> 8; |
7879 | intel_crtc->lut_g[i] = green[i] >> 8; | |
7880 | intel_crtc->lut_b[i] = blue[i] >> 8; | |
7881 | } | |
7882 | ||
7883 | intel_crtc_load_lut(crtc); | |
7884 | } | |
7885 | ||
79e53945 JB |
7886 | /* VESA 640x480x72Hz mode to set on the pipe */ |
7887 | static struct drm_display_mode load_detect_mode = { | |
7888 | DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664, | |
7889 | 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), | |
7890 | }; | |
7891 | ||
a8bb6818 DV |
7892 | struct drm_framebuffer * |
7893 | __intel_framebuffer_create(struct drm_device *dev, | |
7894 | struct drm_mode_fb_cmd2 *mode_cmd, | |
7895 | struct drm_i915_gem_object *obj) | |
d2dff872 CW |
7896 | { |
7897 | struct intel_framebuffer *intel_fb; | |
7898 | int ret; | |
7899 | ||
7900 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); | |
7901 | if (!intel_fb) { | |
7902 | drm_gem_object_unreference_unlocked(&obj->base); | |
7903 | return ERR_PTR(-ENOMEM); | |
7904 | } | |
7905 | ||
7906 | ret = intel_framebuffer_init(dev, intel_fb, mode_cmd, obj); | |
dd4916c5 DV |
7907 | if (ret) |
7908 | goto err; | |
d2dff872 CW |
7909 | |
7910 | return &intel_fb->base; | |
dd4916c5 DV |
7911 | err: |
7912 | drm_gem_object_unreference_unlocked(&obj->base); | |
7913 | kfree(intel_fb); | |
7914 | ||
7915 | return ERR_PTR(ret); | |
d2dff872 CW |
7916 | } |
7917 | ||
b5ea642a | 7918 | static struct drm_framebuffer * |
a8bb6818 DV |
7919 | intel_framebuffer_create(struct drm_device *dev, |
7920 | struct drm_mode_fb_cmd2 *mode_cmd, | |
7921 | struct drm_i915_gem_object *obj) | |
7922 | { | |
7923 | struct drm_framebuffer *fb; | |
7924 | int ret; | |
7925 | ||
7926 | ret = i915_mutex_lock_interruptible(dev); | |
7927 | if (ret) | |
7928 | return ERR_PTR(ret); | |
7929 | fb = __intel_framebuffer_create(dev, mode_cmd, obj); | |
7930 | mutex_unlock(&dev->struct_mutex); | |
7931 | ||
7932 | return fb; | |
7933 | } | |
7934 | ||
d2dff872 CW |
7935 | static u32 |
7936 | intel_framebuffer_pitch_for_width(int width, int bpp) | |
7937 | { | |
7938 | u32 pitch = DIV_ROUND_UP(width * bpp, 8); | |
7939 | return ALIGN(pitch, 64); | |
7940 | } | |
7941 | ||
7942 | static u32 | |
7943 | intel_framebuffer_size_for_mode(struct drm_display_mode *mode, int bpp) | |
7944 | { | |
7945 | u32 pitch = intel_framebuffer_pitch_for_width(mode->hdisplay, bpp); | |
7946 | return ALIGN(pitch * mode->vdisplay, PAGE_SIZE); | |
7947 | } | |
7948 | ||
7949 | static struct drm_framebuffer * | |
7950 | intel_framebuffer_create_for_mode(struct drm_device *dev, | |
7951 | struct drm_display_mode *mode, | |
7952 | int depth, int bpp) | |
7953 | { | |
7954 | struct drm_i915_gem_object *obj; | |
0fed39bd | 7955 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; |
d2dff872 CW |
7956 | |
7957 | obj = i915_gem_alloc_object(dev, | |
7958 | intel_framebuffer_size_for_mode(mode, bpp)); | |
7959 | if (obj == NULL) | |
7960 | return ERR_PTR(-ENOMEM); | |
7961 | ||
7962 | mode_cmd.width = mode->hdisplay; | |
7963 | mode_cmd.height = mode->vdisplay; | |
308e5bcb JB |
7964 | mode_cmd.pitches[0] = intel_framebuffer_pitch_for_width(mode_cmd.width, |
7965 | bpp); | |
5ca0c34a | 7966 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); |
d2dff872 CW |
7967 | |
7968 | return intel_framebuffer_create(dev, &mode_cmd, obj); | |
7969 | } | |
7970 | ||
7971 | static struct drm_framebuffer * | |
7972 | mode_fits_in_fbdev(struct drm_device *dev, | |
7973 | struct drm_display_mode *mode) | |
7974 | { | |
4520f53a | 7975 | #ifdef CONFIG_DRM_I915_FBDEV |
d2dff872 CW |
7976 | struct drm_i915_private *dev_priv = dev->dev_private; |
7977 | struct drm_i915_gem_object *obj; | |
7978 | struct drm_framebuffer *fb; | |
7979 | ||
4c0e5528 | 7980 | if (!dev_priv->fbdev) |
d2dff872 CW |
7981 | return NULL; |
7982 | ||
4c0e5528 | 7983 | if (!dev_priv->fbdev->fb) |
d2dff872 CW |
7984 | return NULL; |
7985 | ||
4c0e5528 DV |
7986 | obj = dev_priv->fbdev->fb->obj; |
7987 | BUG_ON(!obj); | |
7988 | ||
8bcd4553 | 7989 | fb = &dev_priv->fbdev->fb->base; |
01f2c773 VS |
7990 | if (fb->pitches[0] < intel_framebuffer_pitch_for_width(mode->hdisplay, |
7991 | fb->bits_per_pixel)) | |
d2dff872 CW |
7992 | return NULL; |
7993 | ||
01f2c773 | 7994 | if (obj->base.size < mode->vdisplay * fb->pitches[0]) |
d2dff872 CW |
7995 | return NULL; |
7996 | ||
7997 | return fb; | |
4520f53a DV |
7998 | #else |
7999 | return NULL; | |
8000 | #endif | |
d2dff872 CW |
8001 | } |
8002 | ||
d2434ab7 | 8003 | bool intel_get_load_detect_pipe(struct drm_connector *connector, |
7173188d | 8004 | struct drm_display_mode *mode, |
8261b191 | 8005 | struct intel_load_detect_pipe *old) |
79e53945 JB |
8006 | { |
8007 | struct intel_crtc *intel_crtc; | |
d2434ab7 DV |
8008 | struct intel_encoder *intel_encoder = |
8009 | intel_attached_encoder(connector); | |
79e53945 | 8010 | struct drm_crtc *possible_crtc; |
4ef69c7a | 8011 | struct drm_encoder *encoder = &intel_encoder->base; |
79e53945 JB |
8012 | struct drm_crtc *crtc = NULL; |
8013 | struct drm_device *dev = encoder->dev; | |
94352cf9 | 8014 | struct drm_framebuffer *fb; |
79e53945 JB |
8015 | int i = -1; |
8016 | ||
d2dff872 CW |
8017 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
8018 | connector->base.id, drm_get_connector_name(connector), | |
8019 | encoder->base.id, drm_get_encoder_name(encoder)); | |
8020 | ||
79e53945 JB |
8021 | /* |
8022 | * Algorithm gets a little messy: | |
7a5e4805 | 8023 | * |
79e53945 JB |
8024 | * - if the connector already has an assigned crtc, use it (but make |
8025 | * sure it's on first) | |
7a5e4805 | 8026 | * |
79e53945 JB |
8027 | * - try to find the first unused crtc that can drive this connector, |
8028 | * and use that if we find one | |
79e53945 JB |
8029 | */ |
8030 | ||
8031 | /* See if we already have a CRTC for this connector */ | |
8032 | if (encoder->crtc) { | |
8033 | crtc = encoder->crtc; | |
8261b191 | 8034 | |
7b24056b DV |
8035 | mutex_lock(&crtc->mutex); |
8036 | ||
24218aac | 8037 | old->dpms_mode = connector->dpms; |
8261b191 CW |
8038 | old->load_detect_temp = false; |
8039 | ||
8040 | /* Make sure the crtc and connector are running */ | |
24218aac DV |
8041 | if (connector->dpms != DRM_MODE_DPMS_ON) |
8042 | connector->funcs->dpms(connector, DRM_MODE_DPMS_ON); | |
8261b191 | 8043 | |
7173188d | 8044 | return true; |
79e53945 JB |
8045 | } |
8046 | ||
8047 | /* Find an unused one (if possible) */ | |
8048 | list_for_each_entry(possible_crtc, &dev->mode_config.crtc_list, head) { | |
8049 | i++; | |
8050 | if (!(encoder->possible_crtcs & (1 << i))) | |
8051 | continue; | |
8052 | if (!possible_crtc->enabled) { | |
8053 | crtc = possible_crtc; | |
8054 | break; | |
8055 | } | |
79e53945 JB |
8056 | } |
8057 | ||
8058 | /* | |
8059 | * If we didn't find an unused CRTC, don't use any. | |
8060 | */ | |
8061 | if (!crtc) { | |
7173188d CW |
8062 | DRM_DEBUG_KMS("no pipe available for load-detect\n"); |
8063 | return false; | |
79e53945 JB |
8064 | } |
8065 | ||
7b24056b | 8066 | mutex_lock(&crtc->mutex); |
fc303101 DV |
8067 | intel_encoder->new_crtc = to_intel_crtc(crtc); |
8068 | to_intel_connector(connector)->new_encoder = intel_encoder; | |
79e53945 JB |
8069 | |
8070 | intel_crtc = to_intel_crtc(crtc); | |
412b61d8 VS |
8071 | intel_crtc->new_enabled = true; |
8072 | intel_crtc->new_config = &intel_crtc->config; | |
24218aac | 8073 | old->dpms_mode = connector->dpms; |
8261b191 | 8074 | old->load_detect_temp = true; |
d2dff872 | 8075 | old->release_fb = NULL; |
79e53945 | 8076 | |
6492711d CW |
8077 | if (!mode) |
8078 | mode = &load_detect_mode; | |
79e53945 | 8079 | |
d2dff872 CW |
8080 | /* We need a framebuffer large enough to accommodate all accesses |
8081 | * that the plane may generate whilst we perform load detection. | |
8082 | * We can not rely on the fbcon either being present (we get called | |
8083 | * during its initialisation to detect all boot displays, or it may | |
8084 | * not even exist) or that it is large enough to satisfy the | |
8085 | * requested mode. | |
8086 | */ | |
94352cf9 DV |
8087 | fb = mode_fits_in_fbdev(dev, mode); |
8088 | if (fb == NULL) { | |
d2dff872 | 8089 | DRM_DEBUG_KMS("creating tmp fb for load-detection\n"); |
94352cf9 DV |
8090 | fb = intel_framebuffer_create_for_mode(dev, mode, 24, 32); |
8091 | old->release_fb = fb; | |
d2dff872 CW |
8092 | } else |
8093 | DRM_DEBUG_KMS("reusing fbdev for load-detection framebuffer\n"); | |
94352cf9 | 8094 | if (IS_ERR(fb)) { |
d2dff872 | 8095 | DRM_DEBUG_KMS("failed to allocate framebuffer for load-detection\n"); |
412b61d8 | 8096 | goto fail; |
79e53945 | 8097 | } |
79e53945 | 8098 | |
c0c36b94 | 8099 | if (intel_set_mode(crtc, mode, 0, 0, fb)) { |
6492711d | 8100 | DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n"); |
d2dff872 CW |
8101 | if (old->release_fb) |
8102 | old->release_fb->funcs->destroy(old->release_fb); | |
412b61d8 | 8103 | goto fail; |
79e53945 | 8104 | } |
7173188d | 8105 | |
79e53945 | 8106 | /* let the connector get through one full cycle before testing */ |
9d0498a2 | 8107 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
7173188d | 8108 | return true; |
412b61d8 VS |
8109 | |
8110 | fail: | |
8111 | intel_crtc->new_enabled = crtc->enabled; | |
8112 | if (intel_crtc->new_enabled) | |
8113 | intel_crtc->new_config = &intel_crtc->config; | |
8114 | else | |
8115 | intel_crtc->new_config = NULL; | |
8116 | mutex_unlock(&crtc->mutex); | |
8117 | return false; | |
79e53945 JB |
8118 | } |
8119 | ||
d2434ab7 | 8120 | void intel_release_load_detect_pipe(struct drm_connector *connector, |
8261b191 | 8121 | struct intel_load_detect_pipe *old) |
79e53945 | 8122 | { |
d2434ab7 DV |
8123 | struct intel_encoder *intel_encoder = |
8124 | intel_attached_encoder(connector); | |
4ef69c7a | 8125 | struct drm_encoder *encoder = &intel_encoder->base; |
7b24056b | 8126 | struct drm_crtc *crtc = encoder->crtc; |
412b61d8 | 8127 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
79e53945 | 8128 | |
d2dff872 CW |
8129 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
8130 | connector->base.id, drm_get_connector_name(connector), | |
8131 | encoder->base.id, drm_get_encoder_name(encoder)); | |
8132 | ||
8261b191 | 8133 | if (old->load_detect_temp) { |
fc303101 DV |
8134 | to_intel_connector(connector)->new_encoder = NULL; |
8135 | intel_encoder->new_crtc = NULL; | |
412b61d8 VS |
8136 | intel_crtc->new_enabled = false; |
8137 | intel_crtc->new_config = NULL; | |
fc303101 | 8138 | intel_set_mode(crtc, NULL, 0, 0, NULL); |
d2dff872 | 8139 | |
36206361 DV |
8140 | if (old->release_fb) { |
8141 | drm_framebuffer_unregister_private(old->release_fb); | |
8142 | drm_framebuffer_unreference(old->release_fb); | |
8143 | } | |
d2dff872 | 8144 | |
67c96400 | 8145 | mutex_unlock(&crtc->mutex); |
0622a53c | 8146 | return; |
79e53945 JB |
8147 | } |
8148 | ||
c751ce4f | 8149 | /* Switch crtc and encoder back off if necessary */ |
24218aac DV |
8150 | if (old->dpms_mode != DRM_MODE_DPMS_ON) |
8151 | connector->funcs->dpms(connector, old->dpms_mode); | |
7b24056b DV |
8152 | |
8153 | mutex_unlock(&crtc->mutex); | |
79e53945 JB |
8154 | } |
8155 | ||
da4a1efa VS |
8156 | static int i9xx_pll_refclk(struct drm_device *dev, |
8157 | const struct intel_crtc_config *pipe_config) | |
8158 | { | |
8159 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8160 | u32 dpll = pipe_config->dpll_hw_state.dpll; | |
8161 | ||
8162 | if ((dpll & PLL_REF_INPUT_MASK) == PLLB_REF_INPUT_SPREADSPECTRUMIN) | |
e91e941b | 8163 | return dev_priv->vbt.lvds_ssc_freq; |
da4a1efa VS |
8164 | else if (HAS_PCH_SPLIT(dev)) |
8165 | return 120000; | |
8166 | else if (!IS_GEN2(dev)) | |
8167 | return 96000; | |
8168 | else | |
8169 | return 48000; | |
8170 | } | |
8171 | ||
79e53945 | 8172 | /* Returns the clock of the currently programmed mode of the given pipe. */ |
f1f644dc JB |
8173 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
8174 | struct intel_crtc_config *pipe_config) | |
79e53945 | 8175 | { |
f1f644dc | 8176 | struct drm_device *dev = crtc->base.dev; |
79e53945 | 8177 | struct drm_i915_private *dev_priv = dev->dev_private; |
f1f644dc | 8178 | int pipe = pipe_config->cpu_transcoder; |
293623f7 | 8179 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
79e53945 JB |
8180 | u32 fp; |
8181 | intel_clock_t clock; | |
da4a1efa | 8182 | int refclk = i9xx_pll_refclk(dev, pipe_config); |
79e53945 JB |
8183 | |
8184 | if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) | |
293623f7 | 8185 | fp = pipe_config->dpll_hw_state.fp0; |
79e53945 | 8186 | else |
293623f7 | 8187 | fp = pipe_config->dpll_hw_state.fp1; |
79e53945 JB |
8188 | |
8189 | clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; | |
f2b115e6 AJ |
8190 | if (IS_PINEVIEW(dev)) { |
8191 | clock.n = ffs((fp & FP_N_PINEVIEW_DIV_MASK) >> FP_N_DIV_SHIFT) - 1; | |
8192 | clock.m2 = (fp & FP_M2_PINEVIEW_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
2177832f SL |
8193 | } else { |
8194 | clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; | |
8195 | clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
8196 | } | |
8197 | ||
a6c45cf0 | 8198 | if (!IS_GEN2(dev)) { |
f2b115e6 AJ |
8199 | if (IS_PINEVIEW(dev)) |
8200 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW) >> | |
8201 | DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW); | |
2177832f SL |
8202 | else |
8203 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >> | |
79e53945 JB |
8204 | DPLL_FPA01_P1_POST_DIV_SHIFT); |
8205 | ||
8206 | switch (dpll & DPLL_MODE_MASK) { | |
8207 | case DPLLB_MODE_DAC_SERIAL: | |
8208 | clock.p2 = dpll & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ? | |
8209 | 5 : 10; | |
8210 | break; | |
8211 | case DPLLB_MODE_LVDS: | |
8212 | clock.p2 = dpll & DPLLB_LVDS_P2_CLOCK_DIV_7 ? | |
8213 | 7 : 14; | |
8214 | break; | |
8215 | default: | |
28c97730 | 8216 | DRM_DEBUG_KMS("Unknown DPLL mode %08x in programmed " |
79e53945 | 8217 | "mode\n", (int)(dpll & DPLL_MODE_MASK)); |
f1f644dc | 8218 | return; |
79e53945 JB |
8219 | } |
8220 | ||
ac58c3f0 | 8221 | if (IS_PINEVIEW(dev)) |
da4a1efa | 8222 | pineview_clock(refclk, &clock); |
ac58c3f0 | 8223 | else |
da4a1efa | 8224 | i9xx_clock(refclk, &clock); |
79e53945 | 8225 | } else { |
0fb58223 | 8226 | u32 lvds = IS_I830(dev) ? 0 : I915_READ(LVDS); |
b1c560d1 | 8227 | bool is_lvds = (pipe == 1) && (lvds & LVDS_PORT_EN); |
79e53945 JB |
8228 | |
8229 | if (is_lvds) { | |
8230 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> | |
8231 | DPLL_FPA01_P1_POST_DIV_SHIFT); | |
b1c560d1 VS |
8232 | |
8233 | if (lvds & LVDS_CLKB_POWER_UP) | |
8234 | clock.p2 = 7; | |
8235 | else | |
8236 | clock.p2 = 14; | |
79e53945 JB |
8237 | } else { |
8238 | if (dpll & PLL_P1_DIVIDE_BY_TWO) | |
8239 | clock.p1 = 2; | |
8240 | else { | |
8241 | clock.p1 = ((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830) >> | |
8242 | DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; | |
8243 | } | |
8244 | if (dpll & PLL_P2_DIVIDE_BY_4) | |
8245 | clock.p2 = 4; | |
8246 | else | |
8247 | clock.p2 = 2; | |
79e53945 | 8248 | } |
da4a1efa VS |
8249 | |
8250 | i9xx_clock(refclk, &clock); | |
79e53945 JB |
8251 | } |
8252 | ||
18442d08 VS |
8253 | /* |
8254 | * This value includes pixel_multiplier. We will use | |
241bfc38 | 8255 | * port_clock to compute adjusted_mode.crtc_clock in the |
18442d08 VS |
8256 | * encoder's get_config() function. |
8257 | */ | |
8258 | pipe_config->port_clock = clock.dot; | |
f1f644dc JB |
8259 | } |
8260 | ||
6878da05 VS |
8261 | int intel_dotclock_calculate(int link_freq, |
8262 | const struct intel_link_m_n *m_n) | |
f1f644dc | 8263 | { |
f1f644dc JB |
8264 | /* |
8265 | * The calculation for the data clock is: | |
1041a02f | 8266 | * pixel_clock = ((m/n)*(link_clock * nr_lanes))/bpp |
f1f644dc | 8267 | * But we want to avoid losing precison if possible, so: |
1041a02f | 8268 | * pixel_clock = ((m * link_clock * nr_lanes)/(n*bpp)) |
f1f644dc JB |
8269 | * |
8270 | * and the link clock is simpler: | |
1041a02f | 8271 | * link_clock = (m * link_clock) / n |
f1f644dc JB |
8272 | */ |
8273 | ||
6878da05 VS |
8274 | if (!m_n->link_n) |
8275 | return 0; | |
f1f644dc | 8276 | |
6878da05 VS |
8277 | return div_u64((u64)m_n->link_m * link_freq, m_n->link_n); |
8278 | } | |
f1f644dc | 8279 | |
18442d08 VS |
8280 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
8281 | struct intel_crtc_config *pipe_config) | |
6878da05 VS |
8282 | { |
8283 | struct drm_device *dev = crtc->base.dev; | |
79e53945 | 8284 | |
18442d08 VS |
8285 | /* read out port_clock from the DPLL */ |
8286 | i9xx_crtc_clock_get(crtc, pipe_config); | |
f1f644dc | 8287 | |
f1f644dc | 8288 | /* |
18442d08 | 8289 | * This value does not include pixel_multiplier. |
241bfc38 | 8290 | * We will check that port_clock and adjusted_mode.crtc_clock |
18442d08 VS |
8291 | * agree once we know their relationship in the encoder's |
8292 | * get_config() function. | |
79e53945 | 8293 | */ |
241bfc38 | 8294 | pipe_config->adjusted_mode.crtc_clock = |
18442d08 VS |
8295 | intel_dotclock_calculate(intel_fdi_link_freq(dev) * 10000, |
8296 | &pipe_config->fdi_m_n); | |
79e53945 JB |
8297 | } |
8298 | ||
8299 | /** Returns the currently programmed mode of the given pipe. */ | |
8300 | struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, | |
8301 | struct drm_crtc *crtc) | |
8302 | { | |
548f245b | 8303 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 | 8304 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3b117c8f | 8305 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
79e53945 | 8306 | struct drm_display_mode *mode; |
f1f644dc | 8307 | struct intel_crtc_config pipe_config; |
fe2b8f9d PZ |
8308 | int htot = I915_READ(HTOTAL(cpu_transcoder)); |
8309 | int hsync = I915_READ(HSYNC(cpu_transcoder)); | |
8310 | int vtot = I915_READ(VTOTAL(cpu_transcoder)); | |
8311 | int vsync = I915_READ(VSYNC(cpu_transcoder)); | |
293623f7 | 8312 | enum pipe pipe = intel_crtc->pipe; |
79e53945 JB |
8313 | |
8314 | mode = kzalloc(sizeof(*mode), GFP_KERNEL); | |
8315 | if (!mode) | |
8316 | return NULL; | |
8317 | ||
f1f644dc JB |
8318 | /* |
8319 | * Construct a pipe_config sufficient for getting the clock info | |
8320 | * back out of crtc_clock_get. | |
8321 | * | |
8322 | * Note, if LVDS ever uses a non-1 pixel multiplier, we'll need | |
8323 | * to use a real value here instead. | |
8324 | */ | |
293623f7 | 8325 | pipe_config.cpu_transcoder = (enum transcoder) pipe; |
f1f644dc | 8326 | pipe_config.pixel_multiplier = 1; |
293623f7 VS |
8327 | pipe_config.dpll_hw_state.dpll = I915_READ(DPLL(pipe)); |
8328 | pipe_config.dpll_hw_state.fp0 = I915_READ(FP0(pipe)); | |
8329 | pipe_config.dpll_hw_state.fp1 = I915_READ(FP1(pipe)); | |
f1f644dc JB |
8330 | i9xx_crtc_clock_get(intel_crtc, &pipe_config); |
8331 | ||
773ae034 | 8332 | mode->clock = pipe_config.port_clock / pipe_config.pixel_multiplier; |
79e53945 JB |
8333 | mode->hdisplay = (htot & 0xffff) + 1; |
8334 | mode->htotal = ((htot & 0xffff0000) >> 16) + 1; | |
8335 | mode->hsync_start = (hsync & 0xffff) + 1; | |
8336 | mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; | |
8337 | mode->vdisplay = (vtot & 0xffff) + 1; | |
8338 | mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; | |
8339 | mode->vsync_start = (vsync & 0xffff) + 1; | |
8340 | mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; | |
8341 | ||
8342 | drm_mode_set_name(mode); | |
79e53945 JB |
8343 | |
8344 | return mode; | |
8345 | } | |
8346 | ||
3dec0095 | 8347 | static void intel_increase_pllclock(struct drm_crtc *crtc) |
652c393a JB |
8348 | { |
8349 | struct drm_device *dev = crtc->dev; | |
fbee40df | 8350 | struct drm_i915_private *dev_priv = dev->dev_private; |
652c393a JB |
8351 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8352 | int pipe = intel_crtc->pipe; | |
dbdc6479 JB |
8353 | int dpll_reg = DPLL(pipe); |
8354 | int dpll; | |
652c393a | 8355 | |
bad720ff | 8356 | if (HAS_PCH_SPLIT(dev)) |
652c393a JB |
8357 | return; |
8358 | ||
8359 | if (!dev_priv->lvds_downclock_avail) | |
8360 | return; | |
8361 | ||
dbdc6479 | 8362 | dpll = I915_READ(dpll_reg); |
652c393a | 8363 | if (!HAS_PIPE_CXSR(dev) && (dpll & DISPLAY_RATE_SELECT_FPA1)) { |
44d98a61 | 8364 | DRM_DEBUG_DRIVER("upclocking LVDS\n"); |
652c393a | 8365 | |
8ac5a6d5 | 8366 | assert_panel_unlocked(dev_priv, pipe); |
652c393a JB |
8367 | |
8368 | dpll &= ~DISPLAY_RATE_SELECT_FPA1; | |
8369 | I915_WRITE(dpll_reg, dpll); | |
9d0498a2 | 8370 | intel_wait_for_vblank(dev, pipe); |
dbdc6479 | 8371 | |
652c393a JB |
8372 | dpll = I915_READ(dpll_reg); |
8373 | if (dpll & DISPLAY_RATE_SELECT_FPA1) | |
44d98a61 | 8374 | DRM_DEBUG_DRIVER("failed to upclock LVDS!\n"); |
652c393a | 8375 | } |
652c393a JB |
8376 | } |
8377 | ||
8378 | static void intel_decrease_pllclock(struct drm_crtc *crtc) | |
8379 | { | |
8380 | struct drm_device *dev = crtc->dev; | |
fbee40df | 8381 | struct drm_i915_private *dev_priv = dev->dev_private; |
652c393a | 8382 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
652c393a | 8383 | |
bad720ff | 8384 | if (HAS_PCH_SPLIT(dev)) |
652c393a JB |
8385 | return; |
8386 | ||
8387 | if (!dev_priv->lvds_downclock_avail) | |
8388 | return; | |
8389 | ||
8390 | /* | |
8391 | * Since this is called by a timer, we should never get here in | |
8392 | * the manual case. | |
8393 | */ | |
8394 | if (!HAS_PIPE_CXSR(dev) && intel_crtc->lowfreq_avail) { | |
dc257cf1 DV |
8395 | int pipe = intel_crtc->pipe; |
8396 | int dpll_reg = DPLL(pipe); | |
8397 | int dpll; | |
f6e5b160 | 8398 | |
44d98a61 | 8399 | DRM_DEBUG_DRIVER("downclocking LVDS\n"); |
652c393a | 8400 | |
8ac5a6d5 | 8401 | assert_panel_unlocked(dev_priv, pipe); |
652c393a | 8402 | |
dc257cf1 | 8403 | dpll = I915_READ(dpll_reg); |
652c393a JB |
8404 | dpll |= DISPLAY_RATE_SELECT_FPA1; |
8405 | I915_WRITE(dpll_reg, dpll); | |
9d0498a2 | 8406 | intel_wait_for_vblank(dev, pipe); |
652c393a JB |
8407 | dpll = I915_READ(dpll_reg); |
8408 | if (!(dpll & DISPLAY_RATE_SELECT_FPA1)) | |
44d98a61 | 8409 | DRM_DEBUG_DRIVER("failed to downclock LVDS!\n"); |
652c393a JB |
8410 | } |
8411 | ||
8412 | } | |
8413 | ||
f047e395 CW |
8414 | void intel_mark_busy(struct drm_device *dev) |
8415 | { | |
c67a470b PZ |
8416 | struct drm_i915_private *dev_priv = dev->dev_private; |
8417 | ||
f62a0076 CW |
8418 | if (dev_priv->mm.busy) |
8419 | return; | |
8420 | ||
43694d69 | 8421 | intel_runtime_pm_get(dev_priv); |
c67a470b | 8422 | i915_update_gfx_val(dev_priv); |
f62a0076 | 8423 | dev_priv->mm.busy = true; |
f047e395 CW |
8424 | } |
8425 | ||
8426 | void intel_mark_idle(struct drm_device *dev) | |
652c393a | 8427 | { |
c67a470b | 8428 | struct drm_i915_private *dev_priv = dev->dev_private; |
652c393a | 8429 | struct drm_crtc *crtc; |
652c393a | 8430 | |
f62a0076 CW |
8431 | if (!dev_priv->mm.busy) |
8432 | return; | |
8433 | ||
8434 | dev_priv->mm.busy = false; | |
8435 | ||
d330a953 | 8436 | if (!i915.powersave) |
bb4cdd53 | 8437 | goto out; |
652c393a | 8438 | |
652c393a | 8439 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
f4510a27 | 8440 | if (!crtc->primary->fb) |
652c393a JB |
8441 | continue; |
8442 | ||
725a5b54 | 8443 | intel_decrease_pllclock(crtc); |
652c393a | 8444 | } |
b29c19b6 | 8445 | |
3d13ef2e | 8446 | if (INTEL_INFO(dev)->gen >= 6) |
b29c19b6 | 8447 | gen6_rps_idle(dev->dev_private); |
bb4cdd53 PZ |
8448 | |
8449 | out: | |
43694d69 | 8450 | intel_runtime_pm_put(dev_priv); |
652c393a JB |
8451 | } |
8452 | ||
c65355bb CW |
8453 | void intel_mark_fb_busy(struct drm_i915_gem_object *obj, |
8454 | struct intel_ring_buffer *ring) | |
652c393a | 8455 | { |
f047e395 CW |
8456 | struct drm_device *dev = obj->base.dev; |
8457 | struct drm_crtc *crtc; | |
652c393a | 8458 | |
d330a953 | 8459 | if (!i915.powersave) |
acb87dfb CW |
8460 | return; |
8461 | ||
652c393a | 8462 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
f4510a27 | 8463 | if (!crtc->primary->fb) |
652c393a JB |
8464 | continue; |
8465 | ||
f4510a27 | 8466 | if (to_intel_framebuffer(crtc->primary->fb)->obj != obj) |
c65355bb CW |
8467 | continue; |
8468 | ||
8469 | intel_increase_pllclock(crtc); | |
8470 | if (ring && intel_fbc_enabled(dev)) | |
8471 | ring->fbc_dirty = true; | |
652c393a JB |
8472 | } |
8473 | } | |
8474 | ||
79e53945 JB |
8475 | static void intel_crtc_destroy(struct drm_crtc *crtc) |
8476 | { | |
8477 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
67e77c5a DV |
8478 | struct drm_device *dev = crtc->dev; |
8479 | struct intel_unpin_work *work; | |
8480 | unsigned long flags; | |
8481 | ||
8482 | spin_lock_irqsave(&dev->event_lock, flags); | |
8483 | work = intel_crtc->unpin_work; | |
8484 | intel_crtc->unpin_work = NULL; | |
8485 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
8486 | ||
8487 | if (work) { | |
8488 | cancel_work_sync(&work->work); | |
8489 | kfree(work); | |
8490 | } | |
79e53945 | 8491 | |
40ccc72b MK |
8492 | intel_crtc_cursor_set(crtc, NULL, 0, 0, 0); |
8493 | ||
79e53945 | 8494 | drm_crtc_cleanup(crtc); |
67e77c5a | 8495 | |
79e53945 JB |
8496 | kfree(intel_crtc); |
8497 | } | |
8498 | ||
6b95a207 KH |
8499 | static void intel_unpin_work_fn(struct work_struct *__work) |
8500 | { | |
8501 | struct intel_unpin_work *work = | |
8502 | container_of(__work, struct intel_unpin_work, work); | |
b4a98e57 | 8503 | struct drm_device *dev = work->crtc->dev; |
6b95a207 | 8504 | |
b4a98e57 | 8505 | mutex_lock(&dev->struct_mutex); |
1690e1eb | 8506 | intel_unpin_fb_obj(work->old_fb_obj); |
05394f39 CW |
8507 | drm_gem_object_unreference(&work->pending_flip_obj->base); |
8508 | drm_gem_object_unreference(&work->old_fb_obj->base); | |
d9e86c0e | 8509 | |
b4a98e57 CW |
8510 | intel_update_fbc(dev); |
8511 | mutex_unlock(&dev->struct_mutex); | |
8512 | ||
8513 | BUG_ON(atomic_read(&to_intel_crtc(work->crtc)->unpin_work_count) == 0); | |
8514 | atomic_dec(&to_intel_crtc(work->crtc)->unpin_work_count); | |
8515 | ||
6b95a207 KH |
8516 | kfree(work); |
8517 | } | |
8518 | ||
1afe3e9d | 8519 | static void do_intel_finish_page_flip(struct drm_device *dev, |
49b14a5c | 8520 | struct drm_crtc *crtc) |
6b95a207 | 8521 | { |
fbee40df | 8522 | struct drm_i915_private *dev_priv = dev->dev_private; |
6b95a207 KH |
8523 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8524 | struct intel_unpin_work *work; | |
6b95a207 KH |
8525 | unsigned long flags; |
8526 | ||
8527 | /* Ignore early vblank irqs */ | |
8528 | if (intel_crtc == NULL) | |
8529 | return; | |
8530 | ||
8531 | spin_lock_irqsave(&dev->event_lock, flags); | |
8532 | work = intel_crtc->unpin_work; | |
e7d841ca CW |
8533 | |
8534 | /* Ensure we don't miss a work->pending update ... */ | |
8535 | smp_rmb(); | |
8536 | ||
8537 | if (work == NULL || atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) { | |
6b95a207 KH |
8538 | spin_unlock_irqrestore(&dev->event_lock, flags); |
8539 | return; | |
8540 | } | |
8541 | ||
e7d841ca CW |
8542 | /* and that the unpin work is consistent wrt ->pending. */ |
8543 | smp_rmb(); | |
8544 | ||
6b95a207 | 8545 | intel_crtc->unpin_work = NULL; |
6b95a207 | 8546 | |
45a066eb RC |
8547 | if (work->event) |
8548 | drm_send_vblank_event(dev, intel_crtc->pipe, work->event); | |
6b95a207 | 8549 | |
0af7e4df MK |
8550 | drm_vblank_put(dev, intel_crtc->pipe); |
8551 | ||
6b95a207 KH |
8552 | spin_unlock_irqrestore(&dev->event_lock, flags); |
8553 | ||
2c10d571 | 8554 | wake_up_all(&dev_priv->pending_flip_queue); |
b4a98e57 CW |
8555 | |
8556 | queue_work(dev_priv->wq, &work->work); | |
e5510fac JB |
8557 | |
8558 | trace_i915_flip_complete(intel_crtc->plane, work->pending_flip_obj); | |
6b95a207 KH |
8559 | } |
8560 | ||
1afe3e9d JB |
8561 | void intel_finish_page_flip(struct drm_device *dev, int pipe) |
8562 | { | |
fbee40df | 8563 | struct drm_i915_private *dev_priv = dev->dev_private; |
1afe3e9d JB |
8564 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
8565 | ||
49b14a5c | 8566 | do_intel_finish_page_flip(dev, crtc); |
1afe3e9d JB |
8567 | } |
8568 | ||
8569 | void intel_finish_page_flip_plane(struct drm_device *dev, int plane) | |
8570 | { | |
fbee40df | 8571 | struct drm_i915_private *dev_priv = dev->dev_private; |
1afe3e9d JB |
8572 | struct drm_crtc *crtc = dev_priv->plane_to_crtc_mapping[plane]; |
8573 | ||
49b14a5c | 8574 | do_intel_finish_page_flip(dev, crtc); |
1afe3e9d JB |
8575 | } |
8576 | ||
6b95a207 KH |
8577 | void intel_prepare_page_flip(struct drm_device *dev, int plane) |
8578 | { | |
fbee40df | 8579 | struct drm_i915_private *dev_priv = dev->dev_private; |
6b95a207 KH |
8580 | struct intel_crtc *intel_crtc = |
8581 | to_intel_crtc(dev_priv->plane_to_crtc_mapping[plane]); | |
8582 | unsigned long flags; | |
8583 | ||
e7d841ca CW |
8584 | /* NB: An MMIO update of the plane base pointer will also |
8585 | * generate a page-flip completion irq, i.e. every modeset | |
8586 | * is also accompanied by a spurious intel_prepare_page_flip(). | |
8587 | */ | |
6b95a207 | 8588 | spin_lock_irqsave(&dev->event_lock, flags); |
e7d841ca CW |
8589 | if (intel_crtc->unpin_work) |
8590 | atomic_inc_not_zero(&intel_crtc->unpin_work->pending); | |
6b95a207 KH |
8591 | spin_unlock_irqrestore(&dev->event_lock, flags); |
8592 | } | |
8593 | ||
e7d841ca CW |
8594 | inline static void intel_mark_page_flip_active(struct intel_crtc *intel_crtc) |
8595 | { | |
8596 | /* Ensure that the work item is consistent when activating it ... */ | |
8597 | smp_wmb(); | |
8598 | atomic_set(&intel_crtc->unpin_work->pending, INTEL_FLIP_PENDING); | |
8599 | /* and that it is marked active as soon as the irq could fire. */ | |
8600 | smp_wmb(); | |
8601 | } | |
8602 | ||
8c9f3aaf JB |
8603 | static int intel_gen2_queue_flip(struct drm_device *dev, |
8604 | struct drm_crtc *crtc, | |
8605 | struct drm_framebuffer *fb, | |
ed8d1975 KP |
8606 | struct drm_i915_gem_object *obj, |
8607 | uint32_t flags) | |
8c9f3aaf JB |
8608 | { |
8609 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8610 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
8c9f3aaf | 8611 | u32 flip_mask; |
6d90c952 | 8612 | struct intel_ring_buffer *ring = &dev_priv->ring[RCS]; |
8c9f3aaf JB |
8613 | int ret; |
8614 | ||
6d90c952 | 8615 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); |
8c9f3aaf | 8616 | if (ret) |
83d4092b | 8617 | goto err; |
8c9f3aaf | 8618 | |
6d90c952 | 8619 | ret = intel_ring_begin(ring, 6); |
8c9f3aaf | 8620 | if (ret) |
83d4092b | 8621 | goto err_unpin; |
8c9f3aaf JB |
8622 | |
8623 | /* Can't queue multiple flips, so wait for the previous | |
8624 | * one to finish before executing the next. | |
8625 | */ | |
8626 | if (intel_crtc->plane) | |
8627 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
8628 | else | |
8629 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
6d90c952 DV |
8630 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
8631 | intel_ring_emit(ring, MI_NOOP); | |
8632 | intel_ring_emit(ring, MI_DISPLAY_FLIP | | |
8633 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
8634 | intel_ring_emit(ring, fb->pitches[0]); | |
f343c5f6 | 8635 | intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); |
6d90c952 | 8636 | intel_ring_emit(ring, 0); /* aux display base address, unused */ |
e7d841ca CW |
8637 | |
8638 | intel_mark_page_flip_active(intel_crtc); | |
09246732 | 8639 | __intel_ring_advance(ring); |
83d4092b CW |
8640 | return 0; |
8641 | ||
8642 | err_unpin: | |
8643 | intel_unpin_fb_obj(obj); | |
8644 | err: | |
8c9f3aaf JB |
8645 | return ret; |
8646 | } | |
8647 | ||
8648 | static int intel_gen3_queue_flip(struct drm_device *dev, | |
8649 | struct drm_crtc *crtc, | |
8650 | struct drm_framebuffer *fb, | |
ed8d1975 KP |
8651 | struct drm_i915_gem_object *obj, |
8652 | uint32_t flags) | |
8c9f3aaf JB |
8653 | { |
8654 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8655 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
8c9f3aaf | 8656 | u32 flip_mask; |
6d90c952 | 8657 | struct intel_ring_buffer *ring = &dev_priv->ring[RCS]; |
8c9f3aaf JB |
8658 | int ret; |
8659 | ||
6d90c952 | 8660 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); |
8c9f3aaf | 8661 | if (ret) |
83d4092b | 8662 | goto err; |
8c9f3aaf | 8663 | |
6d90c952 | 8664 | ret = intel_ring_begin(ring, 6); |
8c9f3aaf | 8665 | if (ret) |
83d4092b | 8666 | goto err_unpin; |
8c9f3aaf JB |
8667 | |
8668 | if (intel_crtc->plane) | |
8669 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
8670 | else | |
8671 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
6d90c952 DV |
8672 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
8673 | intel_ring_emit(ring, MI_NOOP); | |
8674 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | | |
8675 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
8676 | intel_ring_emit(ring, fb->pitches[0]); | |
f343c5f6 | 8677 | intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); |
6d90c952 DV |
8678 | intel_ring_emit(ring, MI_NOOP); |
8679 | ||
e7d841ca | 8680 | intel_mark_page_flip_active(intel_crtc); |
09246732 | 8681 | __intel_ring_advance(ring); |
83d4092b CW |
8682 | return 0; |
8683 | ||
8684 | err_unpin: | |
8685 | intel_unpin_fb_obj(obj); | |
8686 | err: | |
8c9f3aaf JB |
8687 | return ret; |
8688 | } | |
8689 | ||
8690 | static int intel_gen4_queue_flip(struct drm_device *dev, | |
8691 | struct drm_crtc *crtc, | |
8692 | struct drm_framebuffer *fb, | |
ed8d1975 KP |
8693 | struct drm_i915_gem_object *obj, |
8694 | uint32_t flags) | |
8c9f3aaf JB |
8695 | { |
8696 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8697 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
8698 | uint32_t pf, pipesrc; | |
6d90c952 | 8699 | struct intel_ring_buffer *ring = &dev_priv->ring[RCS]; |
8c9f3aaf JB |
8700 | int ret; |
8701 | ||
6d90c952 | 8702 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); |
8c9f3aaf | 8703 | if (ret) |
83d4092b | 8704 | goto err; |
8c9f3aaf | 8705 | |
6d90c952 | 8706 | ret = intel_ring_begin(ring, 4); |
8c9f3aaf | 8707 | if (ret) |
83d4092b | 8708 | goto err_unpin; |
8c9f3aaf JB |
8709 | |
8710 | /* i965+ uses the linear or tiled offsets from the | |
8711 | * Display Registers (which do not change across a page-flip) | |
8712 | * so we need only reprogram the base address. | |
8713 | */ | |
6d90c952 DV |
8714 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
8715 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
8716 | intel_ring_emit(ring, fb->pitches[0]); | |
c2c75131 | 8717 | intel_ring_emit(ring, |
f343c5f6 | 8718 | (i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset) | |
c2c75131 | 8719 | obj->tiling_mode); |
8c9f3aaf JB |
8720 | |
8721 | /* XXX Enabling the panel-fitter across page-flip is so far | |
8722 | * untested on non-native modes, so ignore it for now. | |
8723 | * pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE; | |
8724 | */ | |
8725 | pf = 0; | |
8726 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; | |
6d90c952 | 8727 | intel_ring_emit(ring, pf | pipesrc); |
e7d841ca CW |
8728 | |
8729 | intel_mark_page_flip_active(intel_crtc); | |
09246732 | 8730 | __intel_ring_advance(ring); |
83d4092b CW |
8731 | return 0; |
8732 | ||
8733 | err_unpin: | |
8734 | intel_unpin_fb_obj(obj); | |
8735 | err: | |
8c9f3aaf JB |
8736 | return ret; |
8737 | } | |
8738 | ||
8739 | static int intel_gen6_queue_flip(struct drm_device *dev, | |
8740 | struct drm_crtc *crtc, | |
8741 | struct drm_framebuffer *fb, | |
ed8d1975 KP |
8742 | struct drm_i915_gem_object *obj, |
8743 | uint32_t flags) | |
8c9f3aaf JB |
8744 | { |
8745 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8746 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6d90c952 | 8747 | struct intel_ring_buffer *ring = &dev_priv->ring[RCS]; |
8c9f3aaf JB |
8748 | uint32_t pf, pipesrc; |
8749 | int ret; | |
8750 | ||
6d90c952 | 8751 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); |
8c9f3aaf | 8752 | if (ret) |
83d4092b | 8753 | goto err; |
8c9f3aaf | 8754 | |
6d90c952 | 8755 | ret = intel_ring_begin(ring, 4); |
8c9f3aaf | 8756 | if (ret) |
83d4092b | 8757 | goto err_unpin; |
8c9f3aaf | 8758 | |
6d90c952 DV |
8759 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
8760 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
8761 | intel_ring_emit(ring, fb->pitches[0] | obj->tiling_mode); | |
f343c5f6 | 8762 | intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); |
8c9f3aaf | 8763 | |
dc257cf1 DV |
8764 | /* Contrary to the suggestions in the documentation, |
8765 | * "Enable Panel Fitter" does not seem to be required when page | |
8766 | * flipping with a non-native mode, and worse causes a normal | |
8767 | * modeset to fail. | |
8768 | * pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE; | |
8769 | */ | |
8770 | pf = 0; | |
8c9f3aaf | 8771 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; |
6d90c952 | 8772 | intel_ring_emit(ring, pf | pipesrc); |
e7d841ca CW |
8773 | |
8774 | intel_mark_page_flip_active(intel_crtc); | |
09246732 | 8775 | __intel_ring_advance(ring); |
83d4092b CW |
8776 | return 0; |
8777 | ||
8778 | err_unpin: | |
8779 | intel_unpin_fb_obj(obj); | |
8780 | err: | |
8c9f3aaf JB |
8781 | return ret; |
8782 | } | |
8783 | ||
7c9017e5 JB |
8784 | static int intel_gen7_queue_flip(struct drm_device *dev, |
8785 | struct drm_crtc *crtc, | |
8786 | struct drm_framebuffer *fb, | |
ed8d1975 KP |
8787 | struct drm_i915_gem_object *obj, |
8788 | uint32_t flags) | |
7c9017e5 JB |
8789 | { |
8790 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8791 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ffe74d75 | 8792 | struct intel_ring_buffer *ring; |
cb05d8de | 8793 | uint32_t plane_bit = 0; |
ffe74d75 CW |
8794 | int len, ret; |
8795 | ||
8796 | ring = obj->ring; | |
1c5fd085 | 8797 | if (IS_VALLEYVIEW(dev) || ring == NULL || ring->id != RCS) |
ffe74d75 | 8798 | ring = &dev_priv->ring[BCS]; |
7c9017e5 JB |
8799 | |
8800 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); | |
8801 | if (ret) | |
83d4092b | 8802 | goto err; |
7c9017e5 | 8803 | |
cb05d8de DV |
8804 | switch(intel_crtc->plane) { |
8805 | case PLANE_A: | |
8806 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_A; | |
8807 | break; | |
8808 | case PLANE_B: | |
8809 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_B; | |
8810 | break; | |
8811 | case PLANE_C: | |
8812 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_C; | |
8813 | break; | |
8814 | default: | |
8815 | WARN_ONCE(1, "unknown plane in flip command\n"); | |
8816 | ret = -ENODEV; | |
ab3951eb | 8817 | goto err_unpin; |
cb05d8de DV |
8818 | } |
8819 | ||
ffe74d75 CW |
8820 | len = 4; |
8821 | if (ring->id == RCS) | |
8822 | len += 6; | |
8823 | ||
f66fab8e VS |
8824 | /* |
8825 | * BSpec MI_DISPLAY_FLIP for IVB: | |
8826 | * "The full packet must be contained within the same cache line." | |
8827 | * | |
8828 | * Currently the LRI+SRM+MI_DISPLAY_FLIP all fit within the same | |
8829 | * cacheline, if we ever start emitting more commands before | |
8830 | * the MI_DISPLAY_FLIP we may need to first emit everything else, | |
8831 | * then do the cacheline alignment, and finally emit the | |
8832 | * MI_DISPLAY_FLIP. | |
8833 | */ | |
8834 | ret = intel_ring_cacheline_align(ring); | |
8835 | if (ret) | |
8836 | goto err_unpin; | |
8837 | ||
ffe74d75 | 8838 | ret = intel_ring_begin(ring, len); |
7c9017e5 | 8839 | if (ret) |
83d4092b | 8840 | goto err_unpin; |
7c9017e5 | 8841 | |
ffe74d75 CW |
8842 | /* Unmask the flip-done completion message. Note that the bspec says that |
8843 | * we should do this for both the BCS and RCS, and that we must not unmask | |
8844 | * more than one flip event at any time (or ensure that one flip message | |
8845 | * can be sent by waiting for flip-done prior to queueing new flips). | |
8846 | * Experimentation says that BCS works despite DERRMR masking all | |
8847 | * flip-done completion events and that unmasking all planes at once | |
8848 | * for the RCS also doesn't appear to drop events. Setting the DERRMR | |
8849 | * to zero does lead to lockups within MI_DISPLAY_FLIP. | |
8850 | */ | |
8851 | if (ring->id == RCS) { | |
8852 | intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1)); | |
8853 | intel_ring_emit(ring, DERRMR); | |
8854 | intel_ring_emit(ring, ~(DERRMR_PIPEA_PRI_FLIP_DONE | | |
8855 | DERRMR_PIPEB_PRI_FLIP_DONE | | |
8856 | DERRMR_PIPEC_PRI_FLIP_DONE)); | |
22613c96 VS |
8857 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM(1) | |
8858 | MI_SRM_LRM_GLOBAL_GTT); | |
ffe74d75 CW |
8859 | intel_ring_emit(ring, DERRMR); |
8860 | intel_ring_emit(ring, ring->scratch.gtt_offset + 256); | |
8861 | } | |
8862 | ||
cb05d8de | 8863 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit); |
01f2c773 | 8864 | intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); |
f343c5f6 | 8865 | intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); |
7c9017e5 | 8866 | intel_ring_emit(ring, (MI_NOOP)); |
e7d841ca CW |
8867 | |
8868 | intel_mark_page_flip_active(intel_crtc); | |
09246732 | 8869 | __intel_ring_advance(ring); |
83d4092b CW |
8870 | return 0; |
8871 | ||
8872 | err_unpin: | |
8873 | intel_unpin_fb_obj(obj); | |
8874 | err: | |
7c9017e5 JB |
8875 | return ret; |
8876 | } | |
8877 | ||
8c9f3aaf JB |
8878 | static int intel_default_queue_flip(struct drm_device *dev, |
8879 | struct drm_crtc *crtc, | |
8880 | struct drm_framebuffer *fb, | |
ed8d1975 KP |
8881 | struct drm_i915_gem_object *obj, |
8882 | uint32_t flags) | |
8c9f3aaf JB |
8883 | { |
8884 | return -ENODEV; | |
8885 | } | |
8886 | ||
6b95a207 KH |
8887 | static int intel_crtc_page_flip(struct drm_crtc *crtc, |
8888 | struct drm_framebuffer *fb, | |
ed8d1975 KP |
8889 | struct drm_pending_vblank_event *event, |
8890 | uint32_t page_flip_flags) | |
6b95a207 KH |
8891 | { |
8892 | struct drm_device *dev = crtc->dev; | |
8893 | struct drm_i915_private *dev_priv = dev->dev_private; | |
f4510a27 | 8894 | struct drm_framebuffer *old_fb = crtc->primary->fb; |
4a35f83b | 8895 | struct drm_i915_gem_object *obj = to_intel_framebuffer(fb)->obj; |
6b95a207 KH |
8896 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8897 | struct intel_unpin_work *work; | |
8c9f3aaf | 8898 | unsigned long flags; |
52e68630 | 8899 | int ret; |
6b95a207 | 8900 | |
e6a595d2 | 8901 | /* Can't change pixel format via MI display flips. */ |
f4510a27 | 8902 | if (fb->pixel_format != crtc->primary->fb->pixel_format) |
e6a595d2 VS |
8903 | return -EINVAL; |
8904 | ||
8905 | /* | |
8906 | * TILEOFF/LINOFF registers can't be changed via MI display flips. | |
8907 | * Note that pitch changes could also affect these register. | |
8908 | */ | |
8909 | if (INTEL_INFO(dev)->gen > 3 && | |
f4510a27 MR |
8910 | (fb->offsets[0] != crtc->primary->fb->offsets[0] || |
8911 | fb->pitches[0] != crtc->primary->fb->pitches[0])) | |
e6a595d2 VS |
8912 | return -EINVAL; |
8913 | ||
f900db47 CW |
8914 | if (i915_terminally_wedged(&dev_priv->gpu_error)) |
8915 | goto out_hang; | |
8916 | ||
b14c5679 | 8917 | work = kzalloc(sizeof(*work), GFP_KERNEL); |
6b95a207 KH |
8918 | if (work == NULL) |
8919 | return -ENOMEM; | |
8920 | ||
6b95a207 | 8921 | work->event = event; |
b4a98e57 | 8922 | work->crtc = crtc; |
4a35f83b | 8923 | work->old_fb_obj = to_intel_framebuffer(old_fb)->obj; |
6b95a207 KH |
8924 | INIT_WORK(&work->work, intel_unpin_work_fn); |
8925 | ||
7317c75e JB |
8926 | ret = drm_vblank_get(dev, intel_crtc->pipe); |
8927 | if (ret) | |
8928 | goto free_work; | |
8929 | ||
6b95a207 KH |
8930 | /* We borrow the event spin lock for protecting unpin_work */ |
8931 | spin_lock_irqsave(&dev->event_lock, flags); | |
8932 | if (intel_crtc->unpin_work) { | |
8933 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
8934 | kfree(work); | |
7317c75e | 8935 | drm_vblank_put(dev, intel_crtc->pipe); |
468f0b44 CW |
8936 | |
8937 | DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); | |
6b95a207 KH |
8938 | return -EBUSY; |
8939 | } | |
8940 | intel_crtc->unpin_work = work; | |
8941 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
8942 | ||
b4a98e57 CW |
8943 | if (atomic_read(&intel_crtc->unpin_work_count) >= 2) |
8944 | flush_workqueue(dev_priv->wq); | |
8945 | ||
79158103 CW |
8946 | ret = i915_mutex_lock_interruptible(dev); |
8947 | if (ret) | |
8948 | goto cleanup; | |
6b95a207 | 8949 | |
75dfca80 | 8950 | /* Reference the objects for the scheduled work. */ |
05394f39 CW |
8951 | drm_gem_object_reference(&work->old_fb_obj->base); |
8952 | drm_gem_object_reference(&obj->base); | |
6b95a207 | 8953 | |
f4510a27 | 8954 | crtc->primary->fb = fb; |
96b099fd | 8955 | |
e1f99ce6 | 8956 | work->pending_flip_obj = obj; |
e1f99ce6 | 8957 | |
4e5359cd SF |
8958 | work->enable_stall_check = true; |
8959 | ||
b4a98e57 | 8960 | atomic_inc(&intel_crtc->unpin_work_count); |
10d83730 | 8961 | intel_crtc->reset_counter = atomic_read(&dev_priv->gpu_error.reset_counter); |
e1f99ce6 | 8962 | |
ed8d1975 | 8963 | ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, page_flip_flags); |
8c9f3aaf JB |
8964 | if (ret) |
8965 | goto cleanup_pending; | |
6b95a207 | 8966 | |
7782de3b | 8967 | intel_disable_fbc(dev); |
c65355bb | 8968 | intel_mark_fb_busy(obj, NULL); |
6b95a207 KH |
8969 | mutex_unlock(&dev->struct_mutex); |
8970 | ||
e5510fac JB |
8971 | trace_i915_flip_request(intel_crtc->plane, obj); |
8972 | ||
6b95a207 | 8973 | return 0; |
96b099fd | 8974 | |
8c9f3aaf | 8975 | cleanup_pending: |
b4a98e57 | 8976 | atomic_dec(&intel_crtc->unpin_work_count); |
f4510a27 | 8977 | crtc->primary->fb = old_fb; |
05394f39 CW |
8978 | drm_gem_object_unreference(&work->old_fb_obj->base); |
8979 | drm_gem_object_unreference(&obj->base); | |
96b099fd CW |
8980 | mutex_unlock(&dev->struct_mutex); |
8981 | ||
79158103 | 8982 | cleanup: |
96b099fd CW |
8983 | spin_lock_irqsave(&dev->event_lock, flags); |
8984 | intel_crtc->unpin_work = NULL; | |
8985 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
8986 | ||
7317c75e JB |
8987 | drm_vblank_put(dev, intel_crtc->pipe); |
8988 | free_work: | |
96b099fd CW |
8989 | kfree(work); |
8990 | ||
f900db47 CW |
8991 | if (ret == -EIO) { |
8992 | out_hang: | |
8993 | intel_crtc_wait_for_pending_flips(crtc); | |
8994 | ret = intel_pipe_set_base(crtc, crtc->x, crtc->y, fb); | |
8995 | if (ret == 0 && event) | |
8996 | drm_send_vblank_event(dev, intel_crtc->pipe, event); | |
8997 | } | |
96b099fd | 8998 | return ret; |
6b95a207 KH |
8999 | } |
9000 | ||
f6e5b160 | 9001 | static struct drm_crtc_helper_funcs intel_helper_funcs = { |
f6e5b160 CW |
9002 | .mode_set_base_atomic = intel_pipe_set_base_atomic, |
9003 | .load_lut = intel_crtc_load_lut, | |
f6e5b160 CW |
9004 | }; |
9005 | ||
9a935856 DV |
9006 | /** |
9007 | * intel_modeset_update_staged_output_state | |
9008 | * | |
9009 | * Updates the staged output configuration state, e.g. after we've read out the | |
9010 | * current hw state. | |
9011 | */ | |
9012 | static void intel_modeset_update_staged_output_state(struct drm_device *dev) | |
f6e5b160 | 9013 | { |
7668851f | 9014 | struct intel_crtc *crtc; |
9a935856 DV |
9015 | struct intel_encoder *encoder; |
9016 | struct intel_connector *connector; | |
f6e5b160 | 9017 | |
9a935856 DV |
9018 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
9019 | base.head) { | |
9020 | connector->new_encoder = | |
9021 | to_intel_encoder(connector->base.encoder); | |
9022 | } | |
f6e5b160 | 9023 | |
9a935856 DV |
9024 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
9025 | base.head) { | |
9026 | encoder->new_crtc = | |
9027 | to_intel_crtc(encoder->base.crtc); | |
9028 | } | |
7668851f VS |
9029 | |
9030 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
9031 | base.head) { | |
9032 | crtc->new_enabled = crtc->base.enabled; | |
7bd0a8e7 VS |
9033 | |
9034 | if (crtc->new_enabled) | |
9035 | crtc->new_config = &crtc->config; | |
9036 | else | |
9037 | crtc->new_config = NULL; | |
7668851f | 9038 | } |
f6e5b160 CW |
9039 | } |
9040 | ||
9a935856 DV |
9041 | /** |
9042 | * intel_modeset_commit_output_state | |
9043 | * | |
9044 | * This function copies the stage display pipe configuration to the real one. | |
9045 | */ | |
9046 | static void intel_modeset_commit_output_state(struct drm_device *dev) | |
9047 | { | |
7668851f | 9048 | struct intel_crtc *crtc; |
9a935856 DV |
9049 | struct intel_encoder *encoder; |
9050 | struct intel_connector *connector; | |
f6e5b160 | 9051 | |
9a935856 DV |
9052 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
9053 | base.head) { | |
9054 | connector->base.encoder = &connector->new_encoder->base; | |
9055 | } | |
f6e5b160 | 9056 | |
9a935856 DV |
9057 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
9058 | base.head) { | |
9059 | encoder->base.crtc = &encoder->new_crtc->base; | |
9060 | } | |
7668851f VS |
9061 | |
9062 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
9063 | base.head) { | |
9064 | crtc->base.enabled = crtc->new_enabled; | |
9065 | } | |
9a935856 DV |
9066 | } |
9067 | ||
050f7aeb DV |
9068 | static void |
9069 | connected_sink_compute_bpp(struct intel_connector * connector, | |
9070 | struct intel_crtc_config *pipe_config) | |
9071 | { | |
9072 | int bpp = pipe_config->pipe_bpp; | |
9073 | ||
9074 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] checking for sink bpp constrains\n", | |
9075 | connector->base.base.id, | |
9076 | drm_get_connector_name(&connector->base)); | |
9077 | ||
9078 | /* Don't use an invalid EDID bpc value */ | |
9079 | if (connector->base.display_info.bpc && | |
9080 | connector->base.display_info.bpc * 3 < bpp) { | |
9081 | DRM_DEBUG_KMS("clamping display bpp (was %d) to EDID reported max of %d\n", | |
9082 | bpp, connector->base.display_info.bpc*3); | |
9083 | pipe_config->pipe_bpp = connector->base.display_info.bpc*3; | |
9084 | } | |
9085 | ||
9086 | /* Clamp bpp to 8 on screens without EDID 1.4 */ | |
9087 | if (connector->base.display_info.bpc == 0 && bpp > 24) { | |
9088 | DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of 24\n", | |
9089 | bpp); | |
9090 | pipe_config->pipe_bpp = 24; | |
9091 | } | |
9092 | } | |
9093 | ||
4e53c2e0 | 9094 | static int |
050f7aeb DV |
9095 | compute_baseline_pipe_bpp(struct intel_crtc *crtc, |
9096 | struct drm_framebuffer *fb, | |
9097 | struct intel_crtc_config *pipe_config) | |
4e53c2e0 | 9098 | { |
050f7aeb DV |
9099 | struct drm_device *dev = crtc->base.dev; |
9100 | struct intel_connector *connector; | |
4e53c2e0 DV |
9101 | int bpp; |
9102 | ||
d42264b1 DV |
9103 | switch (fb->pixel_format) { |
9104 | case DRM_FORMAT_C8: | |
4e53c2e0 DV |
9105 | bpp = 8*3; /* since we go through a colormap */ |
9106 | break; | |
d42264b1 DV |
9107 | case DRM_FORMAT_XRGB1555: |
9108 | case DRM_FORMAT_ARGB1555: | |
9109 | /* checked in intel_framebuffer_init already */ | |
9110 | if (WARN_ON(INTEL_INFO(dev)->gen > 3)) | |
9111 | return -EINVAL; | |
9112 | case DRM_FORMAT_RGB565: | |
4e53c2e0 DV |
9113 | bpp = 6*3; /* min is 18bpp */ |
9114 | break; | |
d42264b1 DV |
9115 | case DRM_FORMAT_XBGR8888: |
9116 | case DRM_FORMAT_ABGR8888: | |
9117 | /* checked in intel_framebuffer_init already */ | |
9118 | if (WARN_ON(INTEL_INFO(dev)->gen < 4)) | |
9119 | return -EINVAL; | |
9120 | case DRM_FORMAT_XRGB8888: | |
9121 | case DRM_FORMAT_ARGB8888: | |
4e53c2e0 DV |
9122 | bpp = 8*3; |
9123 | break; | |
d42264b1 DV |
9124 | case DRM_FORMAT_XRGB2101010: |
9125 | case DRM_FORMAT_ARGB2101010: | |
9126 | case DRM_FORMAT_XBGR2101010: | |
9127 | case DRM_FORMAT_ABGR2101010: | |
9128 | /* checked in intel_framebuffer_init already */ | |
9129 | if (WARN_ON(INTEL_INFO(dev)->gen < 4)) | |
baba133a | 9130 | return -EINVAL; |
4e53c2e0 DV |
9131 | bpp = 10*3; |
9132 | break; | |
baba133a | 9133 | /* TODO: gen4+ supports 16 bpc floating point, too. */ |
4e53c2e0 DV |
9134 | default: |
9135 | DRM_DEBUG_KMS("unsupported depth\n"); | |
9136 | return -EINVAL; | |
9137 | } | |
9138 | ||
4e53c2e0 DV |
9139 | pipe_config->pipe_bpp = bpp; |
9140 | ||
9141 | /* Clamp display bpp to EDID value */ | |
9142 | list_for_each_entry(connector, &dev->mode_config.connector_list, | |
050f7aeb | 9143 | base.head) { |
1b829e05 DV |
9144 | if (!connector->new_encoder || |
9145 | connector->new_encoder->new_crtc != crtc) | |
4e53c2e0 DV |
9146 | continue; |
9147 | ||
050f7aeb | 9148 | connected_sink_compute_bpp(connector, pipe_config); |
4e53c2e0 DV |
9149 | } |
9150 | ||
9151 | return bpp; | |
9152 | } | |
9153 | ||
644db711 DV |
9154 | static void intel_dump_crtc_timings(const struct drm_display_mode *mode) |
9155 | { | |
9156 | DRM_DEBUG_KMS("crtc timings: %d %d %d %d %d %d %d %d %d, " | |
9157 | "type: 0x%x flags: 0x%x\n", | |
1342830c | 9158 | mode->crtc_clock, |
644db711 DV |
9159 | mode->crtc_hdisplay, mode->crtc_hsync_start, |
9160 | mode->crtc_hsync_end, mode->crtc_htotal, | |
9161 | mode->crtc_vdisplay, mode->crtc_vsync_start, | |
9162 | mode->crtc_vsync_end, mode->crtc_vtotal, mode->type, mode->flags); | |
9163 | } | |
9164 | ||
c0b03411 DV |
9165 | static void intel_dump_pipe_config(struct intel_crtc *crtc, |
9166 | struct intel_crtc_config *pipe_config, | |
9167 | const char *context) | |
9168 | { | |
9169 | DRM_DEBUG_KMS("[CRTC:%d]%s config for pipe %c\n", crtc->base.base.id, | |
9170 | context, pipe_name(crtc->pipe)); | |
9171 | ||
9172 | DRM_DEBUG_KMS("cpu_transcoder: %c\n", transcoder_name(pipe_config->cpu_transcoder)); | |
9173 | DRM_DEBUG_KMS("pipe bpp: %i, dithering: %i\n", | |
9174 | pipe_config->pipe_bpp, pipe_config->dither); | |
9175 | DRM_DEBUG_KMS("fdi/pch: %i, lanes: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", | |
9176 | pipe_config->has_pch_encoder, | |
9177 | pipe_config->fdi_lanes, | |
9178 | pipe_config->fdi_m_n.gmch_m, pipe_config->fdi_m_n.gmch_n, | |
9179 | pipe_config->fdi_m_n.link_m, pipe_config->fdi_m_n.link_n, | |
9180 | pipe_config->fdi_m_n.tu); | |
eb14cb74 VS |
9181 | DRM_DEBUG_KMS("dp: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", |
9182 | pipe_config->has_dp_encoder, | |
9183 | pipe_config->dp_m_n.gmch_m, pipe_config->dp_m_n.gmch_n, | |
9184 | pipe_config->dp_m_n.link_m, pipe_config->dp_m_n.link_n, | |
9185 | pipe_config->dp_m_n.tu); | |
c0b03411 DV |
9186 | DRM_DEBUG_KMS("requested mode:\n"); |
9187 | drm_mode_debug_printmodeline(&pipe_config->requested_mode); | |
9188 | DRM_DEBUG_KMS("adjusted mode:\n"); | |
9189 | drm_mode_debug_printmodeline(&pipe_config->adjusted_mode); | |
644db711 | 9190 | intel_dump_crtc_timings(&pipe_config->adjusted_mode); |
d71b8d4a | 9191 | DRM_DEBUG_KMS("port clock: %d\n", pipe_config->port_clock); |
37327abd VS |
9192 | DRM_DEBUG_KMS("pipe src size: %dx%d\n", |
9193 | pipe_config->pipe_src_w, pipe_config->pipe_src_h); | |
c0b03411 DV |
9194 | DRM_DEBUG_KMS("gmch pfit: control: 0x%08x, ratios: 0x%08x, lvds border: 0x%08x\n", |
9195 | pipe_config->gmch_pfit.control, | |
9196 | pipe_config->gmch_pfit.pgm_ratios, | |
9197 | pipe_config->gmch_pfit.lvds_border_bits); | |
fd4daa9c | 9198 | DRM_DEBUG_KMS("pch pfit: pos: 0x%08x, size: 0x%08x, %s\n", |
c0b03411 | 9199 | pipe_config->pch_pfit.pos, |
fd4daa9c CW |
9200 | pipe_config->pch_pfit.size, |
9201 | pipe_config->pch_pfit.enabled ? "enabled" : "disabled"); | |
42db64ef | 9202 | DRM_DEBUG_KMS("ips: %i\n", pipe_config->ips_enabled); |
cf532bb2 | 9203 | DRM_DEBUG_KMS("double wide: %i\n", pipe_config->double_wide); |
c0b03411 DV |
9204 | } |
9205 | ||
bc079e8b VS |
9206 | static bool encoders_cloneable(const struct intel_encoder *a, |
9207 | const struct intel_encoder *b) | |
accfc0c5 | 9208 | { |
bc079e8b VS |
9209 | /* masks could be asymmetric, so check both ways */ |
9210 | return a == b || (a->cloneable & (1 << b->type) && | |
9211 | b->cloneable & (1 << a->type)); | |
9212 | } | |
9213 | ||
9214 | static bool check_single_encoder_cloning(struct intel_crtc *crtc, | |
9215 | struct intel_encoder *encoder) | |
9216 | { | |
9217 | struct drm_device *dev = crtc->base.dev; | |
9218 | struct intel_encoder *source_encoder; | |
9219 | ||
9220 | list_for_each_entry(source_encoder, | |
9221 | &dev->mode_config.encoder_list, base.head) { | |
9222 | if (source_encoder->new_crtc != crtc) | |
9223 | continue; | |
9224 | ||
9225 | if (!encoders_cloneable(encoder, source_encoder)) | |
9226 | return false; | |
9227 | } | |
9228 | ||
9229 | return true; | |
9230 | } | |
9231 | ||
9232 | static bool check_encoder_cloning(struct intel_crtc *crtc) | |
9233 | { | |
9234 | struct drm_device *dev = crtc->base.dev; | |
accfc0c5 DV |
9235 | struct intel_encoder *encoder; |
9236 | ||
bc079e8b VS |
9237 | list_for_each_entry(encoder, |
9238 | &dev->mode_config.encoder_list, base.head) { | |
9239 | if (encoder->new_crtc != crtc) | |
accfc0c5 DV |
9240 | continue; |
9241 | ||
bc079e8b VS |
9242 | if (!check_single_encoder_cloning(crtc, encoder)) |
9243 | return false; | |
accfc0c5 DV |
9244 | } |
9245 | ||
bc079e8b | 9246 | return true; |
accfc0c5 DV |
9247 | } |
9248 | ||
b8cecdf5 DV |
9249 | static struct intel_crtc_config * |
9250 | intel_modeset_pipe_config(struct drm_crtc *crtc, | |
4e53c2e0 | 9251 | struct drm_framebuffer *fb, |
b8cecdf5 | 9252 | struct drm_display_mode *mode) |
ee7b9f93 | 9253 | { |
7758a113 | 9254 | struct drm_device *dev = crtc->dev; |
7758a113 | 9255 | struct intel_encoder *encoder; |
b8cecdf5 | 9256 | struct intel_crtc_config *pipe_config; |
e29c22c0 DV |
9257 | int plane_bpp, ret = -EINVAL; |
9258 | bool retry = true; | |
ee7b9f93 | 9259 | |
bc079e8b | 9260 | if (!check_encoder_cloning(to_intel_crtc(crtc))) { |
accfc0c5 DV |
9261 | DRM_DEBUG_KMS("rejecting invalid cloning configuration\n"); |
9262 | return ERR_PTR(-EINVAL); | |
9263 | } | |
9264 | ||
b8cecdf5 DV |
9265 | pipe_config = kzalloc(sizeof(*pipe_config), GFP_KERNEL); |
9266 | if (!pipe_config) | |
7758a113 DV |
9267 | return ERR_PTR(-ENOMEM); |
9268 | ||
b8cecdf5 DV |
9269 | drm_mode_copy(&pipe_config->adjusted_mode, mode); |
9270 | drm_mode_copy(&pipe_config->requested_mode, mode); | |
37327abd | 9271 | |
e143a21c DV |
9272 | pipe_config->cpu_transcoder = |
9273 | (enum transcoder) to_intel_crtc(crtc)->pipe; | |
c0d43d62 | 9274 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
b8cecdf5 | 9275 | |
2960bc9c ID |
9276 | /* |
9277 | * Sanitize sync polarity flags based on requested ones. If neither | |
9278 | * positive or negative polarity is requested, treat this as meaning | |
9279 | * negative polarity. | |
9280 | */ | |
9281 | if (!(pipe_config->adjusted_mode.flags & | |
9282 | (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NHSYNC))) | |
9283 | pipe_config->adjusted_mode.flags |= DRM_MODE_FLAG_NHSYNC; | |
9284 | ||
9285 | if (!(pipe_config->adjusted_mode.flags & | |
9286 | (DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC))) | |
9287 | pipe_config->adjusted_mode.flags |= DRM_MODE_FLAG_NVSYNC; | |
9288 | ||
050f7aeb DV |
9289 | /* Compute a starting value for pipe_config->pipe_bpp taking the source |
9290 | * plane pixel format and any sink constraints into account. Returns the | |
9291 | * source plane bpp so that dithering can be selected on mismatches | |
9292 | * after encoders and crtc also have had their say. */ | |
9293 | plane_bpp = compute_baseline_pipe_bpp(to_intel_crtc(crtc), | |
9294 | fb, pipe_config); | |
4e53c2e0 DV |
9295 | if (plane_bpp < 0) |
9296 | goto fail; | |
9297 | ||
e41a56be VS |
9298 | /* |
9299 | * Determine the real pipe dimensions. Note that stereo modes can | |
9300 | * increase the actual pipe size due to the frame doubling and | |
9301 | * insertion of additional space for blanks between the frame. This | |
9302 | * is stored in the crtc timings. We use the requested mode to do this | |
9303 | * computation to clearly distinguish it from the adjusted mode, which | |
9304 | * can be changed by the connectors in the below retry loop. | |
9305 | */ | |
9306 | drm_mode_set_crtcinfo(&pipe_config->requested_mode, CRTC_STEREO_DOUBLE); | |
9307 | pipe_config->pipe_src_w = pipe_config->requested_mode.crtc_hdisplay; | |
9308 | pipe_config->pipe_src_h = pipe_config->requested_mode.crtc_vdisplay; | |
9309 | ||
e29c22c0 | 9310 | encoder_retry: |
ef1b460d | 9311 | /* Ensure the port clock defaults are reset when retrying. */ |
ff9a6750 | 9312 | pipe_config->port_clock = 0; |
ef1b460d | 9313 | pipe_config->pixel_multiplier = 1; |
ff9a6750 | 9314 | |
135c81b8 | 9315 | /* Fill in default crtc timings, allow encoders to overwrite them. */ |
6ce70f5e | 9316 | drm_mode_set_crtcinfo(&pipe_config->adjusted_mode, CRTC_STEREO_DOUBLE); |
135c81b8 | 9317 | |
7758a113 DV |
9318 | /* Pass our mode to the connectors and the CRTC to give them a chance to |
9319 | * adjust it according to limitations or connector properties, and also | |
9320 | * a chance to reject the mode entirely. | |
47f1c6c9 | 9321 | */ |
7758a113 DV |
9322 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
9323 | base.head) { | |
47f1c6c9 | 9324 | |
7758a113 DV |
9325 | if (&encoder->new_crtc->base != crtc) |
9326 | continue; | |
7ae89233 | 9327 | |
efea6e8e DV |
9328 | if (!(encoder->compute_config(encoder, pipe_config))) { |
9329 | DRM_DEBUG_KMS("Encoder config failure\n"); | |
7758a113 DV |
9330 | goto fail; |
9331 | } | |
ee7b9f93 | 9332 | } |
47f1c6c9 | 9333 | |
ff9a6750 DV |
9334 | /* Set default port clock if not overwritten by the encoder. Needs to be |
9335 | * done afterwards in case the encoder adjusts the mode. */ | |
9336 | if (!pipe_config->port_clock) | |
241bfc38 DL |
9337 | pipe_config->port_clock = pipe_config->adjusted_mode.crtc_clock |
9338 | * pipe_config->pixel_multiplier; | |
ff9a6750 | 9339 | |
a43f6e0f | 9340 | ret = intel_crtc_compute_config(to_intel_crtc(crtc), pipe_config); |
e29c22c0 | 9341 | if (ret < 0) { |
7758a113 DV |
9342 | DRM_DEBUG_KMS("CRTC fixup failed\n"); |
9343 | goto fail; | |
ee7b9f93 | 9344 | } |
e29c22c0 DV |
9345 | |
9346 | if (ret == RETRY) { | |
9347 | if (WARN(!retry, "loop in pipe configuration computation\n")) { | |
9348 | ret = -EINVAL; | |
9349 | goto fail; | |
9350 | } | |
9351 | ||
9352 | DRM_DEBUG_KMS("CRTC bw constrained, retrying\n"); | |
9353 | retry = false; | |
9354 | goto encoder_retry; | |
9355 | } | |
9356 | ||
4e53c2e0 DV |
9357 | pipe_config->dither = pipe_config->pipe_bpp != plane_bpp; |
9358 | DRM_DEBUG_KMS("plane bpp: %i, pipe bpp: %i, dithering: %i\n", | |
9359 | plane_bpp, pipe_config->pipe_bpp, pipe_config->dither); | |
9360 | ||
b8cecdf5 | 9361 | return pipe_config; |
7758a113 | 9362 | fail: |
b8cecdf5 | 9363 | kfree(pipe_config); |
e29c22c0 | 9364 | return ERR_PTR(ret); |
ee7b9f93 | 9365 | } |
47f1c6c9 | 9366 | |
e2e1ed41 DV |
9367 | /* Computes which crtcs are affected and sets the relevant bits in the mask. For |
9368 | * simplicity we use the crtc's pipe number (because it's easier to obtain). */ | |
9369 | static void | |
9370 | intel_modeset_affected_pipes(struct drm_crtc *crtc, unsigned *modeset_pipes, | |
9371 | unsigned *prepare_pipes, unsigned *disable_pipes) | |
79e53945 JB |
9372 | { |
9373 | struct intel_crtc *intel_crtc; | |
e2e1ed41 DV |
9374 | struct drm_device *dev = crtc->dev; |
9375 | struct intel_encoder *encoder; | |
9376 | struct intel_connector *connector; | |
9377 | struct drm_crtc *tmp_crtc; | |
79e53945 | 9378 | |
e2e1ed41 | 9379 | *disable_pipes = *modeset_pipes = *prepare_pipes = 0; |
79e53945 | 9380 | |
e2e1ed41 DV |
9381 | /* Check which crtcs have changed outputs connected to them, these need |
9382 | * to be part of the prepare_pipes mask. We don't (yet) support global | |
9383 | * modeset across multiple crtcs, so modeset_pipes will only have one | |
9384 | * bit set at most. */ | |
9385 | list_for_each_entry(connector, &dev->mode_config.connector_list, | |
9386 | base.head) { | |
9387 | if (connector->base.encoder == &connector->new_encoder->base) | |
9388 | continue; | |
79e53945 | 9389 | |
e2e1ed41 DV |
9390 | if (connector->base.encoder) { |
9391 | tmp_crtc = connector->base.encoder->crtc; | |
9392 | ||
9393 | *prepare_pipes |= 1 << to_intel_crtc(tmp_crtc)->pipe; | |
9394 | } | |
9395 | ||
9396 | if (connector->new_encoder) | |
9397 | *prepare_pipes |= | |
9398 | 1 << connector->new_encoder->new_crtc->pipe; | |
79e53945 JB |
9399 | } |
9400 | ||
e2e1ed41 DV |
9401 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
9402 | base.head) { | |
9403 | if (encoder->base.crtc == &encoder->new_crtc->base) | |
9404 | continue; | |
9405 | ||
9406 | if (encoder->base.crtc) { | |
9407 | tmp_crtc = encoder->base.crtc; | |
9408 | ||
9409 | *prepare_pipes |= 1 << to_intel_crtc(tmp_crtc)->pipe; | |
9410 | } | |
9411 | ||
9412 | if (encoder->new_crtc) | |
9413 | *prepare_pipes |= 1 << encoder->new_crtc->pipe; | |
80824003 JB |
9414 | } |
9415 | ||
7668851f | 9416 | /* Check for pipes that will be enabled/disabled ... */ |
e2e1ed41 DV |
9417 | list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, |
9418 | base.head) { | |
7668851f | 9419 | if (intel_crtc->base.enabled == intel_crtc->new_enabled) |
e2e1ed41 | 9420 | continue; |
7e7d76c3 | 9421 | |
7668851f | 9422 | if (!intel_crtc->new_enabled) |
e2e1ed41 | 9423 | *disable_pipes |= 1 << intel_crtc->pipe; |
7668851f VS |
9424 | else |
9425 | *prepare_pipes |= 1 << intel_crtc->pipe; | |
7e7d76c3 JB |
9426 | } |
9427 | ||
e2e1ed41 DV |
9428 | |
9429 | /* set_mode is also used to update properties on life display pipes. */ | |
9430 | intel_crtc = to_intel_crtc(crtc); | |
7668851f | 9431 | if (intel_crtc->new_enabled) |
e2e1ed41 DV |
9432 | *prepare_pipes |= 1 << intel_crtc->pipe; |
9433 | ||
b6c5164d DV |
9434 | /* |
9435 | * For simplicity do a full modeset on any pipe where the output routing | |
9436 | * changed. We could be more clever, but that would require us to be | |
9437 | * more careful with calling the relevant encoder->mode_set functions. | |
9438 | */ | |
e2e1ed41 DV |
9439 | if (*prepare_pipes) |
9440 | *modeset_pipes = *prepare_pipes; | |
9441 | ||
9442 | /* ... and mask these out. */ | |
9443 | *modeset_pipes &= ~(*disable_pipes); | |
9444 | *prepare_pipes &= ~(*disable_pipes); | |
b6c5164d DV |
9445 | |
9446 | /* | |
9447 | * HACK: We don't (yet) fully support global modesets. intel_set_config | |
9448 | * obies this rule, but the modeset restore mode of | |
9449 | * intel_modeset_setup_hw_state does not. | |
9450 | */ | |
9451 | *modeset_pipes &= 1 << intel_crtc->pipe; | |
9452 | *prepare_pipes &= 1 << intel_crtc->pipe; | |
e3641d3f DV |
9453 | |
9454 | DRM_DEBUG_KMS("set mode pipe masks: modeset: %x, prepare: %x, disable: %x\n", | |
9455 | *modeset_pipes, *prepare_pipes, *disable_pipes); | |
47f1c6c9 | 9456 | } |
79e53945 | 9457 | |
ea9d758d | 9458 | static bool intel_crtc_in_use(struct drm_crtc *crtc) |
f6e5b160 | 9459 | { |
ea9d758d | 9460 | struct drm_encoder *encoder; |
f6e5b160 | 9461 | struct drm_device *dev = crtc->dev; |
f6e5b160 | 9462 | |
ea9d758d DV |
9463 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
9464 | if (encoder->crtc == crtc) | |
9465 | return true; | |
9466 | ||
9467 | return false; | |
9468 | } | |
9469 | ||
9470 | static void | |
9471 | intel_modeset_update_state(struct drm_device *dev, unsigned prepare_pipes) | |
9472 | { | |
9473 | struct intel_encoder *intel_encoder; | |
9474 | struct intel_crtc *intel_crtc; | |
9475 | struct drm_connector *connector; | |
9476 | ||
9477 | list_for_each_entry(intel_encoder, &dev->mode_config.encoder_list, | |
9478 | base.head) { | |
9479 | if (!intel_encoder->base.crtc) | |
9480 | continue; | |
9481 | ||
9482 | intel_crtc = to_intel_crtc(intel_encoder->base.crtc); | |
9483 | ||
9484 | if (prepare_pipes & (1 << intel_crtc->pipe)) | |
9485 | intel_encoder->connectors_active = false; | |
9486 | } | |
9487 | ||
9488 | intel_modeset_commit_output_state(dev); | |
9489 | ||
7668851f | 9490 | /* Double check state. */ |
ea9d758d DV |
9491 | list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, |
9492 | base.head) { | |
7668851f | 9493 | WARN_ON(intel_crtc->base.enabled != intel_crtc_in_use(&intel_crtc->base)); |
7bd0a8e7 VS |
9494 | WARN_ON(intel_crtc->new_config && |
9495 | intel_crtc->new_config != &intel_crtc->config); | |
9496 | WARN_ON(intel_crtc->base.enabled != !!intel_crtc->new_config); | |
ea9d758d DV |
9497 | } |
9498 | ||
9499 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
9500 | if (!connector->encoder || !connector->encoder->crtc) | |
9501 | continue; | |
9502 | ||
9503 | intel_crtc = to_intel_crtc(connector->encoder->crtc); | |
9504 | ||
9505 | if (prepare_pipes & (1 << intel_crtc->pipe)) { | |
68d34720 DV |
9506 | struct drm_property *dpms_property = |
9507 | dev->mode_config.dpms_property; | |
9508 | ||
ea9d758d | 9509 | connector->dpms = DRM_MODE_DPMS_ON; |
662595df | 9510 | drm_object_property_set_value(&connector->base, |
68d34720 DV |
9511 | dpms_property, |
9512 | DRM_MODE_DPMS_ON); | |
ea9d758d DV |
9513 | |
9514 | intel_encoder = to_intel_encoder(connector->encoder); | |
9515 | intel_encoder->connectors_active = true; | |
9516 | } | |
9517 | } | |
9518 | ||
9519 | } | |
9520 | ||
3bd26263 | 9521 | static bool intel_fuzzy_clock_check(int clock1, int clock2) |
f1f644dc | 9522 | { |
3bd26263 | 9523 | int diff; |
f1f644dc JB |
9524 | |
9525 | if (clock1 == clock2) | |
9526 | return true; | |
9527 | ||
9528 | if (!clock1 || !clock2) | |
9529 | return false; | |
9530 | ||
9531 | diff = abs(clock1 - clock2); | |
9532 | ||
9533 | if (((((diff + clock1 + clock2) * 100)) / (clock1 + clock2)) < 105) | |
9534 | return true; | |
9535 | ||
9536 | return false; | |
9537 | } | |
9538 | ||
25c5b266 DV |
9539 | #define for_each_intel_crtc_masked(dev, mask, intel_crtc) \ |
9540 | list_for_each_entry((intel_crtc), \ | |
9541 | &(dev)->mode_config.crtc_list, \ | |
9542 | base.head) \ | |
0973f18f | 9543 | if (mask & (1 <<(intel_crtc)->pipe)) |
25c5b266 | 9544 | |
0e8ffe1b | 9545 | static bool |
2fa2fe9a DV |
9546 | intel_pipe_config_compare(struct drm_device *dev, |
9547 | struct intel_crtc_config *current_config, | |
0e8ffe1b DV |
9548 | struct intel_crtc_config *pipe_config) |
9549 | { | |
66e985c0 DV |
9550 | #define PIPE_CONF_CHECK_X(name) \ |
9551 | if (current_config->name != pipe_config->name) { \ | |
9552 | DRM_ERROR("mismatch in " #name " " \ | |
9553 | "(expected 0x%08x, found 0x%08x)\n", \ | |
9554 | current_config->name, \ | |
9555 | pipe_config->name); \ | |
9556 | return false; \ | |
9557 | } | |
9558 | ||
08a24034 DV |
9559 | #define PIPE_CONF_CHECK_I(name) \ |
9560 | if (current_config->name != pipe_config->name) { \ | |
9561 | DRM_ERROR("mismatch in " #name " " \ | |
9562 | "(expected %i, found %i)\n", \ | |
9563 | current_config->name, \ | |
9564 | pipe_config->name); \ | |
9565 | return false; \ | |
88adfff1 DV |
9566 | } |
9567 | ||
1bd1bd80 DV |
9568 | #define PIPE_CONF_CHECK_FLAGS(name, mask) \ |
9569 | if ((current_config->name ^ pipe_config->name) & (mask)) { \ | |
6f02488e | 9570 | DRM_ERROR("mismatch in " #name "(" #mask ") " \ |
1bd1bd80 DV |
9571 | "(expected %i, found %i)\n", \ |
9572 | current_config->name & (mask), \ | |
9573 | pipe_config->name & (mask)); \ | |
9574 | return false; \ | |
9575 | } | |
9576 | ||
5e550656 VS |
9577 | #define PIPE_CONF_CHECK_CLOCK_FUZZY(name) \ |
9578 | if (!intel_fuzzy_clock_check(current_config->name, pipe_config->name)) { \ | |
9579 | DRM_ERROR("mismatch in " #name " " \ | |
9580 | "(expected %i, found %i)\n", \ | |
9581 | current_config->name, \ | |
9582 | pipe_config->name); \ | |
9583 | return false; \ | |
9584 | } | |
9585 | ||
bb760063 DV |
9586 | #define PIPE_CONF_QUIRK(quirk) \ |
9587 | ((current_config->quirks | pipe_config->quirks) & (quirk)) | |
9588 | ||
eccb140b DV |
9589 | PIPE_CONF_CHECK_I(cpu_transcoder); |
9590 | ||
08a24034 DV |
9591 | PIPE_CONF_CHECK_I(has_pch_encoder); |
9592 | PIPE_CONF_CHECK_I(fdi_lanes); | |
72419203 DV |
9593 | PIPE_CONF_CHECK_I(fdi_m_n.gmch_m); |
9594 | PIPE_CONF_CHECK_I(fdi_m_n.gmch_n); | |
9595 | PIPE_CONF_CHECK_I(fdi_m_n.link_m); | |
9596 | PIPE_CONF_CHECK_I(fdi_m_n.link_n); | |
9597 | PIPE_CONF_CHECK_I(fdi_m_n.tu); | |
08a24034 | 9598 | |
eb14cb74 VS |
9599 | PIPE_CONF_CHECK_I(has_dp_encoder); |
9600 | PIPE_CONF_CHECK_I(dp_m_n.gmch_m); | |
9601 | PIPE_CONF_CHECK_I(dp_m_n.gmch_n); | |
9602 | PIPE_CONF_CHECK_I(dp_m_n.link_m); | |
9603 | PIPE_CONF_CHECK_I(dp_m_n.link_n); | |
9604 | PIPE_CONF_CHECK_I(dp_m_n.tu); | |
9605 | ||
1bd1bd80 DV |
9606 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_hdisplay); |
9607 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_htotal); | |
9608 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_hblank_start); | |
9609 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_hblank_end); | |
9610 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_hsync_start); | |
9611 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_hsync_end); | |
9612 | ||
9613 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vdisplay); | |
9614 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vtotal); | |
9615 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vblank_start); | |
9616 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vblank_end); | |
9617 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_start); | |
9618 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_end); | |
9619 | ||
c93f54cf | 9620 | PIPE_CONF_CHECK_I(pixel_multiplier); |
6c49f241 | 9621 | |
1bd1bd80 DV |
9622 | PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, |
9623 | DRM_MODE_FLAG_INTERLACE); | |
9624 | ||
bb760063 DV |
9625 | if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS)) { |
9626 | PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, | |
9627 | DRM_MODE_FLAG_PHSYNC); | |
9628 | PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, | |
9629 | DRM_MODE_FLAG_NHSYNC); | |
9630 | PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, | |
9631 | DRM_MODE_FLAG_PVSYNC); | |
9632 | PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, | |
9633 | DRM_MODE_FLAG_NVSYNC); | |
9634 | } | |
045ac3b5 | 9635 | |
37327abd VS |
9636 | PIPE_CONF_CHECK_I(pipe_src_w); |
9637 | PIPE_CONF_CHECK_I(pipe_src_h); | |
1bd1bd80 | 9638 | |
2fa2fe9a DV |
9639 | PIPE_CONF_CHECK_I(gmch_pfit.control); |
9640 | /* pfit ratios are autocomputed by the hw on gen4+ */ | |
9641 | if (INTEL_INFO(dev)->gen < 4) | |
9642 | PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios); | |
9643 | PIPE_CONF_CHECK_I(gmch_pfit.lvds_border_bits); | |
fd4daa9c CW |
9644 | PIPE_CONF_CHECK_I(pch_pfit.enabled); |
9645 | if (current_config->pch_pfit.enabled) { | |
9646 | PIPE_CONF_CHECK_I(pch_pfit.pos); | |
9647 | PIPE_CONF_CHECK_I(pch_pfit.size); | |
9648 | } | |
2fa2fe9a | 9649 | |
e59150dc JB |
9650 | /* BDW+ don't expose a synchronous way to read the state */ |
9651 | if (IS_HASWELL(dev)) | |
9652 | PIPE_CONF_CHECK_I(ips_enabled); | |
42db64ef | 9653 | |
282740f7 VS |
9654 | PIPE_CONF_CHECK_I(double_wide); |
9655 | ||
c0d43d62 | 9656 | PIPE_CONF_CHECK_I(shared_dpll); |
66e985c0 | 9657 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll); |
8bcc2795 | 9658 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md); |
66e985c0 DV |
9659 | PIPE_CONF_CHECK_X(dpll_hw_state.fp0); |
9660 | PIPE_CONF_CHECK_X(dpll_hw_state.fp1); | |
c0d43d62 | 9661 | |
42571aef VS |
9662 | if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) |
9663 | PIPE_CONF_CHECK_I(pipe_bpp); | |
9664 | ||
a9a7e98a JB |
9665 | PIPE_CONF_CHECK_CLOCK_FUZZY(adjusted_mode.crtc_clock); |
9666 | PIPE_CONF_CHECK_CLOCK_FUZZY(port_clock); | |
5e550656 | 9667 | |
66e985c0 | 9668 | #undef PIPE_CONF_CHECK_X |
08a24034 | 9669 | #undef PIPE_CONF_CHECK_I |
1bd1bd80 | 9670 | #undef PIPE_CONF_CHECK_FLAGS |
5e550656 | 9671 | #undef PIPE_CONF_CHECK_CLOCK_FUZZY |
bb760063 | 9672 | #undef PIPE_CONF_QUIRK |
88adfff1 | 9673 | |
0e8ffe1b DV |
9674 | return true; |
9675 | } | |
9676 | ||
91d1b4bd DV |
9677 | static void |
9678 | check_connector_state(struct drm_device *dev) | |
8af6cf88 | 9679 | { |
8af6cf88 DV |
9680 | struct intel_connector *connector; |
9681 | ||
9682 | list_for_each_entry(connector, &dev->mode_config.connector_list, | |
9683 | base.head) { | |
9684 | /* This also checks the encoder/connector hw state with the | |
9685 | * ->get_hw_state callbacks. */ | |
9686 | intel_connector_check_state(connector); | |
9687 | ||
9688 | WARN(&connector->new_encoder->base != connector->base.encoder, | |
9689 | "connector's staged encoder doesn't match current encoder\n"); | |
9690 | } | |
91d1b4bd DV |
9691 | } |
9692 | ||
9693 | static void | |
9694 | check_encoder_state(struct drm_device *dev) | |
9695 | { | |
9696 | struct intel_encoder *encoder; | |
9697 | struct intel_connector *connector; | |
8af6cf88 DV |
9698 | |
9699 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, | |
9700 | base.head) { | |
9701 | bool enabled = false; | |
9702 | bool active = false; | |
9703 | enum pipe pipe, tracked_pipe; | |
9704 | ||
9705 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", | |
9706 | encoder->base.base.id, | |
9707 | drm_get_encoder_name(&encoder->base)); | |
9708 | ||
9709 | WARN(&encoder->new_crtc->base != encoder->base.crtc, | |
9710 | "encoder's stage crtc doesn't match current crtc\n"); | |
9711 | WARN(encoder->connectors_active && !encoder->base.crtc, | |
9712 | "encoder's active_connectors set, but no crtc\n"); | |
9713 | ||
9714 | list_for_each_entry(connector, &dev->mode_config.connector_list, | |
9715 | base.head) { | |
9716 | if (connector->base.encoder != &encoder->base) | |
9717 | continue; | |
9718 | enabled = true; | |
9719 | if (connector->base.dpms != DRM_MODE_DPMS_OFF) | |
9720 | active = true; | |
9721 | } | |
9722 | WARN(!!encoder->base.crtc != enabled, | |
9723 | "encoder's enabled state mismatch " | |
9724 | "(expected %i, found %i)\n", | |
9725 | !!encoder->base.crtc, enabled); | |
9726 | WARN(active && !encoder->base.crtc, | |
9727 | "active encoder with no crtc\n"); | |
9728 | ||
9729 | WARN(encoder->connectors_active != active, | |
9730 | "encoder's computed active state doesn't match tracked active state " | |
9731 | "(expected %i, found %i)\n", active, encoder->connectors_active); | |
9732 | ||
9733 | active = encoder->get_hw_state(encoder, &pipe); | |
9734 | WARN(active != encoder->connectors_active, | |
9735 | "encoder's hw state doesn't match sw tracking " | |
9736 | "(expected %i, found %i)\n", | |
9737 | encoder->connectors_active, active); | |
9738 | ||
9739 | if (!encoder->base.crtc) | |
9740 | continue; | |
9741 | ||
9742 | tracked_pipe = to_intel_crtc(encoder->base.crtc)->pipe; | |
9743 | WARN(active && pipe != tracked_pipe, | |
9744 | "active encoder's pipe doesn't match" | |
9745 | "(expected %i, found %i)\n", | |
9746 | tracked_pipe, pipe); | |
9747 | ||
9748 | } | |
91d1b4bd DV |
9749 | } |
9750 | ||
9751 | static void | |
9752 | check_crtc_state(struct drm_device *dev) | |
9753 | { | |
fbee40df | 9754 | struct drm_i915_private *dev_priv = dev->dev_private; |
91d1b4bd DV |
9755 | struct intel_crtc *crtc; |
9756 | struct intel_encoder *encoder; | |
9757 | struct intel_crtc_config pipe_config; | |
8af6cf88 DV |
9758 | |
9759 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
9760 | base.head) { | |
9761 | bool enabled = false; | |
9762 | bool active = false; | |
9763 | ||
045ac3b5 JB |
9764 | memset(&pipe_config, 0, sizeof(pipe_config)); |
9765 | ||
8af6cf88 DV |
9766 | DRM_DEBUG_KMS("[CRTC:%d]\n", |
9767 | crtc->base.base.id); | |
9768 | ||
9769 | WARN(crtc->active && !crtc->base.enabled, | |
9770 | "active crtc, but not enabled in sw tracking\n"); | |
9771 | ||
9772 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, | |
9773 | base.head) { | |
9774 | if (encoder->base.crtc != &crtc->base) | |
9775 | continue; | |
9776 | enabled = true; | |
9777 | if (encoder->connectors_active) | |
9778 | active = true; | |
9779 | } | |
6c49f241 | 9780 | |
8af6cf88 DV |
9781 | WARN(active != crtc->active, |
9782 | "crtc's computed active state doesn't match tracked active state " | |
9783 | "(expected %i, found %i)\n", active, crtc->active); | |
9784 | WARN(enabled != crtc->base.enabled, | |
9785 | "crtc's computed enabled state doesn't match tracked enabled state " | |
9786 | "(expected %i, found %i)\n", enabled, crtc->base.enabled); | |
9787 | ||
0e8ffe1b DV |
9788 | active = dev_priv->display.get_pipe_config(crtc, |
9789 | &pipe_config); | |
d62cf62a DV |
9790 | |
9791 | /* hw state is inconsistent with the pipe A quirk */ | |
9792 | if (crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) | |
9793 | active = crtc->active; | |
9794 | ||
6c49f241 DV |
9795 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
9796 | base.head) { | |
3eaba51c | 9797 | enum pipe pipe; |
6c49f241 DV |
9798 | if (encoder->base.crtc != &crtc->base) |
9799 | continue; | |
1d37b689 | 9800 | if (encoder->get_hw_state(encoder, &pipe)) |
6c49f241 DV |
9801 | encoder->get_config(encoder, &pipe_config); |
9802 | } | |
9803 | ||
0e8ffe1b DV |
9804 | WARN(crtc->active != active, |
9805 | "crtc active state doesn't match with hw state " | |
9806 | "(expected %i, found %i)\n", crtc->active, active); | |
9807 | ||
c0b03411 DV |
9808 | if (active && |
9809 | !intel_pipe_config_compare(dev, &crtc->config, &pipe_config)) { | |
9810 | WARN(1, "pipe state doesn't match!\n"); | |
9811 | intel_dump_pipe_config(crtc, &pipe_config, | |
9812 | "[hw state]"); | |
9813 | intel_dump_pipe_config(crtc, &crtc->config, | |
9814 | "[sw state]"); | |
9815 | } | |
8af6cf88 DV |
9816 | } |
9817 | } | |
9818 | ||
91d1b4bd DV |
9819 | static void |
9820 | check_shared_dpll_state(struct drm_device *dev) | |
9821 | { | |
fbee40df | 9822 | struct drm_i915_private *dev_priv = dev->dev_private; |
91d1b4bd DV |
9823 | struct intel_crtc *crtc; |
9824 | struct intel_dpll_hw_state dpll_hw_state; | |
9825 | int i; | |
5358901f DV |
9826 | |
9827 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
9828 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
9829 | int enabled_crtcs = 0, active_crtcs = 0; | |
9830 | bool active; | |
9831 | ||
9832 | memset(&dpll_hw_state, 0, sizeof(dpll_hw_state)); | |
9833 | ||
9834 | DRM_DEBUG_KMS("%s\n", pll->name); | |
9835 | ||
9836 | active = pll->get_hw_state(dev_priv, pll, &dpll_hw_state); | |
9837 | ||
9838 | WARN(pll->active > pll->refcount, | |
9839 | "more active pll users than references: %i vs %i\n", | |
9840 | pll->active, pll->refcount); | |
9841 | WARN(pll->active && !pll->on, | |
9842 | "pll in active use but not on in sw tracking\n"); | |
35c95375 DV |
9843 | WARN(pll->on && !pll->active, |
9844 | "pll in on but not on in use in sw tracking\n"); | |
5358901f DV |
9845 | WARN(pll->on != active, |
9846 | "pll on state mismatch (expected %i, found %i)\n", | |
9847 | pll->on, active); | |
9848 | ||
9849 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
9850 | base.head) { | |
9851 | if (crtc->base.enabled && intel_crtc_to_shared_dpll(crtc) == pll) | |
9852 | enabled_crtcs++; | |
9853 | if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) | |
9854 | active_crtcs++; | |
9855 | } | |
9856 | WARN(pll->active != active_crtcs, | |
9857 | "pll active crtcs mismatch (expected %i, found %i)\n", | |
9858 | pll->active, active_crtcs); | |
9859 | WARN(pll->refcount != enabled_crtcs, | |
9860 | "pll enabled crtcs mismatch (expected %i, found %i)\n", | |
9861 | pll->refcount, enabled_crtcs); | |
66e985c0 DV |
9862 | |
9863 | WARN(pll->on && memcmp(&pll->hw_state, &dpll_hw_state, | |
9864 | sizeof(dpll_hw_state)), | |
9865 | "pll hw state mismatch\n"); | |
5358901f | 9866 | } |
8af6cf88 DV |
9867 | } |
9868 | ||
91d1b4bd DV |
9869 | void |
9870 | intel_modeset_check_state(struct drm_device *dev) | |
9871 | { | |
9872 | check_connector_state(dev); | |
9873 | check_encoder_state(dev); | |
9874 | check_crtc_state(dev); | |
9875 | check_shared_dpll_state(dev); | |
9876 | } | |
9877 | ||
18442d08 VS |
9878 | void ironlake_check_encoder_dotclock(const struct intel_crtc_config *pipe_config, |
9879 | int dotclock) | |
9880 | { | |
9881 | /* | |
9882 | * FDI already provided one idea for the dotclock. | |
9883 | * Yell if the encoder disagrees. | |
9884 | */ | |
241bfc38 | 9885 | WARN(!intel_fuzzy_clock_check(pipe_config->adjusted_mode.crtc_clock, dotclock), |
18442d08 | 9886 | "FDI dotclock and encoder dotclock mismatch, fdi: %i, encoder: %i\n", |
241bfc38 | 9887 | pipe_config->adjusted_mode.crtc_clock, dotclock); |
18442d08 VS |
9888 | } |
9889 | ||
f30da187 DV |
9890 | static int __intel_set_mode(struct drm_crtc *crtc, |
9891 | struct drm_display_mode *mode, | |
9892 | int x, int y, struct drm_framebuffer *fb) | |
a6778b3c DV |
9893 | { |
9894 | struct drm_device *dev = crtc->dev; | |
fbee40df | 9895 | struct drm_i915_private *dev_priv = dev->dev_private; |
4b4b9238 | 9896 | struct drm_display_mode *saved_mode; |
b8cecdf5 | 9897 | struct intel_crtc_config *pipe_config = NULL; |
25c5b266 DV |
9898 | struct intel_crtc *intel_crtc; |
9899 | unsigned disable_pipes, prepare_pipes, modeset_pipes; | |
c0c36b94 | 9900 | int ret = 0; |
a6778b3c | 9901 | |
4b4b9238 | 9902 | saved_mode = kmalloc(sizeof(*saved_mode), GFP_KERNEL); |
c0c36b94 CW |
9903 | if (!saved_mode) |
9904 | return -ENOMEM; | |
a6778b3c | 9905 | |
e2e1ed41 | 9906 | intel_modeset_affected_pipes(crtc, &modeset_pipes, |
25c5b266 DV |
9907 | &prepare_pipes, &disable_pipes); |
9908 | ||
3ac18232 | 9909 | *saved_mode = crtc->mode; |
a6778b3c | 9910 | |
25c5b266 DV |
9911 | /* Hack: Because we don't (yet) support global modeset on multiple |
9912 | * crtcs, we don't keep track of the new mode for more than one crtc. | |
9913 | * Hence simply check whether any bit is set in modeset_pipes in all the | |
9914 | * pieces of code that are not yet converted to deal with mutliple crtcs | |
9915 | * changing their mode at the same time. */ | |
25c5b266 | 9916 | if (modeset_pipes) { |
4e53c2e0 | 9917 | pipe_config = intel_modeset_pipe_config(crtc, fb, mode); |
b8cecdf5 DV |
9918 | if (IS_ERR(pipe_config)) { |
9919 | ret = PTR_ERR(pipe_config); | |
9920 | pipe_config = NULL; | |
9921 | ||
3ac18232 | 9922 | goto out; |
25c5b266 | 9923 | } |
c0b03411 DV |
9924 | intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config, |
9925 | "[modeset]"); | |
50741abc | 9926 | to_intel_crtc(crtc)->new_config = pipe_config; |
25c5b266 | 9927 | } |
a6778b3c | 9928 | |
30a970c6 JB |
9929 | /* |
9930 | * See if the config requires any additional preparation, e.g. | |
9931 | * to adjust global state with pipes off. We need to do this | |
9932 | * here so we can get the modeset_pipe updated config for the new | |
9933 | * mode set on this crtc. For other crtcs we need to use the | |
9934 | * adjusted_mode bits in the crtc directly. | |
9935 | */ | |
c164f833 | 9936 | if (IS_VALLEYVIEW(dev)) { |
2f2d7aa1 | 9937 | valleyview_modeset_global_pipes(dev, &prepare_pipes); |
30a970c6 | 9938 | |
c164f833 VS |
9939 | /* may have added more to prepare_pipes than we should */ |
9940 | prepare_pipes &= ~disable_pipes; | |
9941 | } | |
9942 | ||
460da916 DV |
9943 | for_each_intel_crtc_masked(dev, disable_pipes, intel_crtc) |
9944 | intel_crtc_disable(&intel_crtc->base); | |
9945 | ||
ea9d758d DV |
9946 | for_each_intel_crtc_masked(dev, prepare_pipes, intel_crtc) { |
9947 | if (intel_crtc->base.enabled) | |
9948 | dev_priv->display.crtc_disable(&intel_crtc->base); | |
9949 | } | |
a6778b3c | 9950 | |
6c4c86f5 DV |
9951 | /* crtc->mode is already used by the ->mode_set callbacks, hence we need |
9952 | * to set it here already despite that we pass it down the callchain. | |
f6e5b160 | 9953 | */ |
b8cecdf5 | 9954 | if (modeset_pipes) { |
25c5b266 | 9955 | crtc->mode = *mode; |
b8cecdf5 DV |
9956 | /* mode_set/enable/disable functions rely on a correct pipe |
9957 | * config. */ | |
9958 | to_intel_crtc(crtc)->config = *pipe_config; | |
50741abc | 9959 | to_intel_crtc(crtc)->new_config = &to_intel_crtc(crtc)->config; |
c326c0a9 VS |
9960 | |
9961 | /* | |
9962 | * Calculate and store various constants which | |
9963 | * are later needed by vblank and swap-completion | |
9964 | * timestamping. They are derived from true hwmode. | |
9965 | */ | |
9966 | drm_calc_timestamping_constants(crtc, | |
9967 | &pipe_config->adjusted_mode); | |
b8cecdf5 | 9968 | } |
7758a113 | 9969 | |
ea9d758d DV |
9970 | /* Only after disabling all output pipelines that will be changed can we |
9971 | * update the the output configuration. */ | |
9972 | intel_modeset_update_state(dev, prepare_pipes); | |
f6e5b160 | 9973 | |
47fab737 DV |
9974 | if (dev_priv->display.modeset_global_resources) |
9975 | dev_priv->display.modeset_global_resources(dev); | |
9976 | ||
a6778b3c DV |
9977 | /* Set up the DPLL and any encoders state that needs to adjust or depend |
9978 | * on the DPLL. | |
f6e5b160 | 9979 | */ |
25c5b266 | 9980 | for_each_intel_crtc_masked(dev, modeset_pipes, intel_crtc) { |
c0c36b94 | 9981 | ret = intel_crtc_mode_set(&intel_crtc->base, |
c0c36b94 CW |
9982 | x, y, fb); |
9983 | if (ret) | |
9984 | goto done; | |
a6778b3c DV |
9985 | } |
9986 | ||
9987 | /* Now enable the clocks, plane, pipe, and connectors that we set up. */ | |
25c5b266 DV |
9988 | for_each_intel_crtc_masked(dev, prepare_pipes, intel_crtc) |
9989 | dev_priv->display.crtc_enable(&intel_crtc->base); | |
a6778b3c | 9990 | |
a6778b3c DV |
9991 | /* FIXME: add subpixel order */ |
9992 | done: | |
4b4b9238 | 9993 | if (ret && crtc->enabled) |
3ac18232 | 9994 | crtc->mode = *saved_mode; |
a6778b3c | 9995 | |
3ac18232 | 9996 | out: |
b8cecdf5 | 9997 | kfree(pipe_config); |
3ac18232 | 9998 | kfree(saved_mode); |
a6778b3c | 9999 | return ret; |
f6e5b160 CW |
10000 | } |
10001 | ||
e7457a9a DL |
10002 | static int intel_set_mode(struct drm_crtc *crtc, |
10003 | struct drm_display_mode *mode, | |
10004 | int x, int y, struct drm_framebuffer *fb) | |
f30da187 DV |
10005 | { |
10006 | int ret; | |
10007 | ||
10008 | ret = __intel_set_mode(crtc, mode, x, y, fb); | |
10009 | ||
10010 | if (ret == 0) | |
10011 | intel_modeset_check_state(crtc->dev); | |
10012 | ||
10013 | return ret; | |
10014 | } | |
10015 | ||
c0c36b94 CW |
10016 | void intel_crtc_restore_mode(struct drm_crtc *crtc) |
10017 | { | |
f4510a27 | 10018 | intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, crtc->primary->fb); |
c0c36b94 CW |
10019 | } |
10020 | ||
25c5b266 DV |
10021 | #undef for_each_intel_crtc_masked |
10022 | ||
d9e55608 DV |
10023 | static void intel_set_config_free(struct intel_set_config *config) |
10024 | { | |
10025 | if (!config) | |
10026 | return; | |
10027 | ||
1aa4b628 DV |
10028 | kfree(config->save_connector_encoders); |
10029 | kfree(config->save_encoder_crtcs); | |
7668851f | 10030 | kfree(config->save_crtc_enabled); |
d9e55608 DV |
10031 | kfree(config); |
10032 | } | |
10033 | ||
85f9eb71 DV |
10034 | static int intel_set_config_save_state(struct drm_device *dev, |
10035 | struct intel_set_config *config) | |
10036 | { | |
7668851f | 10037 | struct drm_crtc *crtc; |
85f9eb71 DV |
10038 | struct drm_encoder *encoder; |
10039 | struct drm_connector *connector; | |
10040 | int count; | |
10041 | ||
7668851f VS |
10042 | config->save_crtc_enabled = |
10043 | kcalloc(dev->mode_config.num_crtc, | |
10044 | sizeof(bool), GFP_KERNEL); | |
10045 | if (!config->save_crtc_enabled) | |
10046 | return -ENOMEM; | |
10047 | ||
1aa4b628 DV |
10048 | config->save_encoder_crtcs = |
10049 | kcalloc(dev->mode_config.num_encoder, | |
10050 | sizeof(struct drm_crtc *), GFP_KERNEL); | |
10051 | if (!config->save_encoder_crtcs) | |
85f9eb71 DV |
10052 | return -ENOMEM; |
10053 | ||
1aa4b628 DV |
10054 | config->save_connector_encoders = |
10055 | kcalloc(dev->mode_config.num_connector, | |
10056 | sizeof(struct drm_encoder *), GFP_KERNEL); | |
10057 | if (!config->save_connector_encoders) | |
85f9eb71 DV |
10058 | return -ENOMEM; |
10059 | ||
10060 | /* Copy data. Note that driver private data is not affected. | |
10061 | * Should anything bad happen only the expected state is | |
10062 | * restored, not the drivers personal bookkeeping. | |
10063 | */ | |
7668851f VS |
10064 | count = 0; |
10065 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
10066 | config->save_crtc_enabled[count++] = crtc->enabled; | |
10067 | } | |
10068 | ||
85f9eb71 DV |
10069 | count = 0; |
10070 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
1aa4b628 | 10071 | config->save_encoder_crtcs[count++] = encoder->crtc; |
85f9eb71 DV |
10072 | } |
10073 | ||
10074 | count = 0; | |
10075 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
1aa4b628 | 10076 | config->save_connector_encoders[count++] = connector->encoder; |
85f9eb71 DV |
10077 | } |
10078 | ||
10079 | return 0; | |
10080 | } | |
10081 | ||
10082 | static void intel_set_config_restore_state(struct drm_device *dev, | |
10083 | struct intel_set_config *config) | |
10084 | { | |
7668851f | 10085 | struct intel_crtc *crtc; |
9a935856 DV |
10086 | struct intel_encoder *encoder; |
10087 | struct intel_connector *connector; | |
85f9eb71 DV |
10088 | int count; |
10089 | ||
7668851f VS |
10090 | count = 0; |
10091 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) { | |
10092 | crtc->new_enabled = config->save_crtc_enabled[count++]; | |
7bd0a8e7 VS |
10093 | |
10094 | if (crtc->new_enabled) | |
10095 | crtc->new_config = &crtc->config; | |
10096 | else | |
10097 | crtc->new_config = NULL; | |
7668851f VS |
10098 | } |
10099 | ||
85f9eb71 | 10100 | count = 0; |
9a935856 DV |
10101 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) { |
10102 | encoder->new_crtc = | |
10103 | to_intel_crtc(config->save_encoder_crtcs[count++]); | |
85f9eb71 DV |
10104 | } |
10105 | ||
10106 | count = 0; | |
9a935856 DV |
10107 | list_for_each_entry(connector, &dev->mode_config.connector_list, base.head) { |
10108 | connector->new_encoder = | |
10109 | to_intel_encoder(config->save_connector_encoders[count++]); | |
85f9eb71 DV |
10110 | } |
10111 | } | |
10112 | ||
e3de42b6 | 10113 | static bool |
2e57f47d | 10114 | is_crtc_connector_off(struct drm_mode_set *set) |
e3de42b6 ID |
10115 | { |
10116 | int i; | |
10117 | ||
2e57f47d CW |
10118 | if (set->num_connectors == 0) |
10119 | return false; | |
10120 | ||
10121 | if (WARN_ON(set->connectors == NULL)) | |
10122 | return false; | |
10123 | ||
10124 | for (i = 0; i < set->num_connectors; i++) | |
10125 | if (set->connectors[i]->encoder && | |
10126 | set->connectors[i]->encoder->crtc == set->crtc && | |
10127 | set->connectors[i]->dpms != DRM_MODE_DPMS_ON) | |
e3de42b6 ID |
10128 | return true; |
10129 | ||
10130 | return false; | |
10131 | } | |
10132 | ||
5e2b584e DV |
10133 | static void |
10134 | intel_set_config_compute_mode_changes(struct drm_mode_set *set, | |
10135 | struct intel_set_config *config) | |
10136 | { | |
10137 | ||
10138 | /* We should be able to check here if the fb has the same properties | |
10139 | * and then just flip_or_move it */ | |
2e57f47d CW |
10140 | if (is_crtc_connector_off(set)) { |
10141 | config->mode_changed = true; | |
f4510a27 | 10142 | } else if (set->crtc->primary->fb != set->fb) { |
5e2b584e | 10143 | /* If we have no fb then treat it as a full mode set */ |
f4510a27 | 10144 | if (set->crtc->primary->fb == NULL) { |
319d9827 JB |
10145 | struct intel_crtc *intel_crtc = |
10146 | to_intel_crtc(set->crtc); | |
10147 | ||
d330a953 | 10148 | if (intel_crtc->active && i915.fastboot) { |
319d9827 JB |
10149 | DRM_DEBUG_KMS("crtc has no fb, will flip\n"); |
10150 | config->fb_changed = true; | |
10151 | } else { | |
10152 | DRM_DEBUG_KMS("inactive crtc, full mode set\n"); | |
10153 | config->mode_changed = true; | |
10154 | } | |
5e2b584e DV |
10155 | } else if (set->fb == NULL) { |
10156 | config->mode_changed = true; | |
72f4901e | 10157 | } else if (set->fb->pixel_format != |
f4510a27 | 10158 | set->crtc->primary->fb->pixel_format) { |
5e2b584e | 10159 | config->mode_changed = true; |
e3de42b6 | 10160 | } else { |
5e2b584e | 10161 | config->fb_changed = true; |
e3de42b6 | 10162 | } |
5e2b584e DV |
10163 | } |
10164 | ||
835c5873 | 10165 | if (set->fb && (set->x != set->crtc->x || set->y != set->crtc->y)) |
5e2b584e DV |
10166 | config->fb_changed = true; |
10167 | ||
10168 | if (set->mode && !drm_mode_equal(set->mode, &set->crtc->mode)) { | |
10169 | DRM_DEBUG_KMS("modes are different, full mode set\n"); | |
10170 | drm_mode_debug_printmodeline(&set->crtc->mode); | |
10171 | drm_mode_debug_printmodeline(set->mode); | |
10172 | config->mode_changed = true; | |
10173 | } | |
a1d95703 CW |
10174 | |
10175 | DRM_DEBUG_KMS("computed changes for [CRTC:%d], mode_changed=%d, fb_changed=%d\n", | |
10176 | set->crtc->base.id, config->mode_changed, config->fb_changed); | |
5e2b584e DV |
10177 | } |
10178 | ||
2e431051 | 10179 | static int |
9a935856 DV |
10180 | intel_modeset_stage_output_state(struct drm_device *dev, |
10181 | struct drm_mode_set *set, | |
10182 | struct intel_set_config *config) | |
50f56119 | 10183 | { |
9a935856 DV |
10184 | struct intel_connector *connector; |
10185 | struct intel_encoder *encoder; | |
7668851f | 10186 | struct intel_crtc *crtc; |
f3f08572 | 10187 | int ro; |
50f56119 | 10188 | |
9abdda74 | 10189 | /* The upper layers ensure that we either disable a crtc or have a list |
9a935856 DV |
10190 | * of connectors. For paranoia, double-check this. */ |
10191 | WARN_ON(!set->fb && (set->num_connectors != 0)); | |
10192 | WARN_ON(set->fb && (set->num_connectors == 0)); | |
10193 | ||
9a935856 DV |
10194 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
10195 | base.head) { | |
10196 | /* Otherwise traverse passed in connector list and get encoders | |
10197 | * for them. */ | |
50f56119 | 10198 | for (ro = 0; ro < set->num_connectors; ro++) { |
9a935856 DV |
10199 | if (set->connectors[ro] == &connector->base) { |
10200 | connector->new_encoder = connector->encoder; | |
50f56119 DV |
10201 | break; |
10202 | } | |
10203 | } | |
10204 | ||
9a935856 DV |
10205 | /* If we disable the crtc, disable all its connectors. Also, if |
10206 | * the connector is on the changing crtc but not on the new | |
10207 | * connector list, disable it. */ | |
10208 | if ((!set->fb || ro == set->num_connectors) && | |
10209 | connector->base.encoder && | |
10210 | connector->base.encoder->crtc == set->crtc) { | |
10211 | connector->new_encoder = NULL; | |
10212 | ||
10213 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [NOCRTC]\n", | |
10214 | connector->base.base.id, | |
10215 | drm_get_connector_name(&connector->base)); | |
10216 | } | |
10217 | ||
10218 | ||
10219 | if (&connector->new_encoder->base != connector->base.encoder) { | |
50f56119 | 10220 | DRM_DEBUG_KMS("encoder changed, full mode switch\n"); |
5e2b584e | 10221 | config->mode_changed = true; |
50f56119 DV |
10222 | } |
10223 | } | |
9a935856 | 10224 | /* connector->new_encoder is now updated for all connectors. */ |
50f56119 | 10225 | |
9a935856 | 10226 | /* Update crtc of enabled connectors. */ |
9a935856 DV |
10227 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
10228 | base.head) { | |
7668851f VS |
10229 | struct drm_crtc *new_crtc; |
10230 | ||
9a935856 | 10231 | if (!connector->new_encoder) |
50f56119 DV |
10232 | continue; |
10233 | ||
9a935856 | 10234 | new_crtc = connector->new_encoder->base.crtc; |
50f56119 DV |
10235 | |
10236 | for (ro = 0; ro < set->num_connectors; ro++) { | |
9a935856 | 10237 | if (set->connectors[ro] == &connector->base) |
50f56119 DV |
10238 | new_crtc = set->crtc; |
10239 | } | |
10240 | ||
10241 | /* Make sure the new CRTC will work with the encoder */ | |
14509916 TR |
10242 | if (!drm_encoder_crtc_ok(&connector->new_encoder->base, |
10243 | new_crtc)) { | |
5e2b584e | 10244 | return -EINVAL; |
50f56119 | 10245 | } |
9a935856 DV |
10246 | connector->encoder->new_crtc = to_intel_crtc(new_crtc); |
10247 | ||
10248 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [CRTC:%d]\n", | |
10249 | connector->base.base.id, | |
10250 | drm_get_connector_name(&connector->base), | |
10251 | new_crtc->base.id); | |
10252 | } | |
10253 | ||
10254 | /* Check for any encoders that needs to be disabled. */ | |
10255 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, | |
10256 | base.head) { | |
5a65f358 | 10257 | int num_connectors = 0; |
9a935856 DV |
10258 | list_for_each_entry(connector, |
10259 | &dev->mode_config.connector_list, | |
10260 | base.head) { | |
10261 | if (connector->new_encoder == encoder) { | |
10262 | WARN_ON(!connector->new_encoder->new_crtc); | |
5a65f358 | 10263 | num_connectors++; |
9a935856 DV |
10264 | } |
10265 | } | |
5a65f358 PZ |
10266 | |
10267 | if (num_connectors == 0) | |
10268 | encoder->new_crtc = NULL; | |
10269 | else if (num_connectors > 1) | |
10270 | return -EINVAL; | |
10271 | ||
9a935856 DV |
10272 | /* Only now check for crtc changes so we don't miss encoders |
10273 | * that will be disabled. */ | |
10274 | if (&encoder->new_crtc->base != encoder->base.crtc) { | |
50f56119 | 10275 | DRM_DEBUG_KMS("crtc changed, full mode switch\n"); |
5e2b584e | 10276 | config->mode_changed = true; |
50f56119 DV |
10277 | } |
10278 | } | |
9a935856 | 10279 | /* Now we've also updated encoder->new_crtc for all encoders. */ |
50f56119 | 10280 | |
7668851f VS |
10281 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, |
10282 | base.head) { | |
10283 | crtc->new_enabled = false; | |
10284 | ||
10285 | list_for_each_entry(encoder, | |
10286 | &dev->mode_config.encoder_list, | |
10287 | base.head) { | |
10288 | if (encoder->new_crtc == crtc) { | |
10289 | crtc->new_enabled = true; | |
10290 | break; | |
10291 | } | |
10292 | } | |
10293 | ||
10294 | if (crtc->new_enabled != crtc->base.enabled) { | |
10295 | DRM_DEBUG_KMS("crtc %sabled, full mode switch\n", | |
10296 | crtc->new_enabled ? "en" : "dis"); | |
10297 | config->mode_changed = true; | |
10298 | } | |
7bd0a8e7 VS |
10299 | |
10300 | if (crtc->new_enabled) | |
10301 | crtc->new_config = &crtc->config; | |
10302 | else | |
10303 | crtc->new_config = NULL; | |
7668851f VS |
10304 | } |
10305 | ||
2e431051 DV |
10306 | return 0; |
10307 | } | |
10308 | ||
7d00a1f5 VS |
10309 | static void disable_crtc_nofb(struct intel_crtc *crtc) |
10310 | { | |
10311 | struct drm_device *dev = crtc->base.dev; | |
10312 | struct intel_encoder *encoder; | |
10313 | struct intel_connector *connector; | |
10314 | ||
10315 | DRM_DEBUG_KMS("Trying to restore without FB -> disabling pipe %c\n", | |
10316 | pipe_name(crtc->pipe)); | |
10317 | ||
10318 | list_for_each_entry(connector, &dev->mode_config.connector_list, base.head) { | |
10319 | if (connector->new_encoder && | |
10320 | connector->new_encoder->new_crtc == crtc) | |
10321 | connector->new_encoder = NULL; | |
10322 | } | |
10323 | ||
10324 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) { | |
10325 | if (encoder->new_crtc == crtc) | |
10326 | encoder->new_crtc = NULL; | |
10327 | } | |
10328 | ||
10329 | crtc->new_enabled = false; | |
7bd0a8e7 | 10330 | crtc->new_config = NULL; |
7d00a1f5 VS |
10331 | } |
10332 | ||
2e431051 DV |
10333 | static int intel_crtc_set_config(struct drm_mode_set *set) |
10334 | { | |
10335 | struct drm_device *dev; | |
2e431051 DV |
10336 | struct drm_mode_set save_set; |
10337 | struct intel_set_config *config; | |
10338 | int ret; | |
2e431051 | 10339 | |
8d3e375e DV |
10340 | BUG_ON(!set); |
10341 | BUG_ON(!set->crtc); | |
10342 | BUG_ON(!set->crtc->helper_private); | |
2e431051 | 10343 | |
7e53f3a4 DV |
10344 | /* Enforce sane interface api - has been abused by the fb helper. */ |
10345 | BUG_ON(!set->mode && set->fb); | |
10346 | BUG_ON(set->fb && set->num_connectors == 0); | |
431e50f7 | 10347 | |
2e431051 DV |
10348 | if (set->fb) { |
10349 | DRM_DEBUG_KMS("[CRTC:%d] [FB:%d] #connectors=%d (x y) (%i %i)\n", | |
10350 | set->crtc->base.id, set->fb->base.id, | |
10351 | (int)set->num_connectors, set->x, set->y); | |
10352 | } else { | |
10353 | DRM_DEBUG_KMS("[CRTC:%d] [NOFB]\n", set->crtc->base.id); | |
2e431051 DV |
10354 | } |
10355 | ||
10356 | dev = set->crtc->dev; | |
10357 | ||
10358 | ret = -ENOMEM; | |
10359 | config = kzalloc(sizeof(*config), GFP_KERNEL); | |
10360 | if (!config) | |
10361 | goto out_config; | |
10362 | ||
10363 | ret = intel_set_config_save_state(dev, config); | |
10364 | if (ret) | |
10365 | goto out_config; | |
10366 | ||
10367 | save_set.crtc = set->crtc; | |
10368 | save_set.mode = &set->crtc->mode; | |
10369 | save_set.x = set->crtc->x; | |
10370 | save_set.y = set->crtc->y; | |
f4510a27 | 10371 | save_set.fb = set->crtc->primary->fb; |
2e431051 DV |
10372 | |
10373 | /* Compute whether we need a full modeset, only an fb base update or no | |
10374 | * change at all. In the future we might also check whether only the | |
10375 | * mode changed, e.g. for LVDS where we only change the panel fitter in | |
10376 | * such cases. */ | |
10377 | intel_set_config_compute_mode_changes(set, config); | |
10378 | ||
9a935856 | 10379 | ret = intel_modeset_stage_output_state(dev, set, config); |
2e431051 DV |
10380 | if (ret) |
10381 | goto fail; | |
10382 | ||
5e2b584e | 10383 | if (config->mode_changed) { |
c0c36b94 CW |
10384 | ret = intel_set_mode(set->crtc, set->mode, |
10385 | set->x, set->y, set->fb); | |
5e2b584e | 10386 | } else if (config->fb_changed) { |
4878cae2 VS |
10387 | intel_crtc_wait_for_pending_flips(set->crtc); |
10388 | ||
4f660f49 | 10389 | ret = intel_pipe_set_base(set->crtc, |
94352cf9 | 10390 | set->x, set->y, set->fb); |
7ca51a3a JB |
10391 | /* |
10392 | * In the fastboot case this may be our only check of the | |
10393 | * state after boot. It would be better to only do it on | |
10394 | * the first update, but we don't have a nice way of doing that | |
10395 | * (and really, set_config isn't used much for high freq page | |
10396 | * flipping, so increasing its cost here shouldn't be a big | |
10397 | * deal). | |
10398 | */ | |
d330a953 | 10399 | if (i915.fastboot && ret == 0) |
7ca51a3a | 10400 | intel_modeset_check_state(set->crtc->dev); |
50f56119 DV |
10401 | } |
10402 | ||
2d05eae1 | 10403 | if (ret) { |
bf67dfeb DV |
10404 | DRM_DEBUG_KMS("failed to set mode on [CRTC:%d], err = %d\n", |
10405 | set->crtc->base.id, ret); | |
50f56119 | 10406 | fail: |
2d05eae1 | 10407 | intel_set_config_restore_state(dev, config); |
50f56119 | 10408 | |
7d00a1f5 VS |
10409 | /* |
10410 | * HACK: if the pipe was on, but we didn't have a framebuffer, | |
10411 | * force the pipe off to avoid oopsing in the modeset code | |
10412 | * due to fb==NULL. This should only happen during boot since | |
10413 | * we don't yet reconstruct the FB from the hardware state. | |
10414 | */ | |
10415 | if (to_intel_crtc(save_set.crtc)->new_enabled && !save_set.fb) | |
10416 | disable_crtc_nofb(to_intel_crtc(save_set.crtc)); | |
10417 | ||
2d05eae1 CW |
10418 | /* Try to restore the config */ |
10419 | if (config->mode_changed && | |
10420 | intel_set_mode(save_set.crtc, save_set.mode, | |
10421 | save_set.x, save_set.y, save_set.fb)) | |
10422 | DRM_ERROR("failed to restore config after modeset failure\n"); | |
10423 | } | |
50f56119 | 10424 | |
d9e55608 DV |
10425 | out_config: |
10426 | intel_set_config_free(config); | |
50f56119 DV |
10427 | return ret; |
10428 | } | |
f6e5b160 CW |
10429 | |
10430 | static const struct drm_crtc_funcs intel_crtc_funcs = { | |
f6e5b160 CW |
10431 | .cursor_set = intel_crtc_cursor_set, |
10432 | .cursor_move = intel_crtc_cursor_move, | |
10433 | .gamma_set = intel_crtc_gamma_set, | |
50f56119 | 10434 | .set_config = intel_crtc_set_config, |
f6e5b160 CW |
10435 | .destroy = intel_crtc_destroy, |
10436 | .page_flip = intel_crtc_page_flip, | |
10437 | }; | |
10438 | ||
79f689aa PZ |
10439 | static void intel_cpu_pll_init(struct drm_device *dev) |
10440 | { | |
affa9354 | 10441 | if (HAS_DDI(dev)) |
79f689aa PZ |
10442 | intel_ddi_pll_init(dev); |
10443 | } | |
10444 | ||
5358901f DV |
10445 | static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv, |
10446 | struct intel_shared_dpll *pll, | |
10447 | struct intel_dpll_hw_state *hw_state) | |
ee7b9f93 | 10448 | { |
5358901f | 10449 | uint32_t val; |
ee7b9f93 | 10450 | |
5358901f | 10451 | val = I915_READ(PCH_DPLL(pll->id)); |
66e985c0 DV |
10452 | hw_state->dpll = val; |
10453 | hw_state->fp0 = I915_READ(PCH_FP0(pll->id)); | |
10454 | hw_state->fp1 = I915_READ(PCH_FP1(pll->id)); | |
5358901f DV |
10455 | |
10456 | return val & DPLL_VCO_ENABLE; | |
10457 | } | |
10458 | ||
15bdd4cf DV |
10459 | static void ibx_pch_dpll_mode_set(struct drm_i915_private *dev_priv, |
10460 | struct intel_shared_dpll *pll) | |
10461 | { | |
10462 | I915_WRITE(PCH_FP0(pll->id), pll->hw_state.fp0); | |
10463 | I915_WRITE(PCH_FP1(pll->id), pll->hw_state.fp1); | |
10464 | } | |
10465 | ||
e7b903d2 DV |
10466 | static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv, |
10467 | struct intel_shared_dpll *pll) | |
10468 | { | |
e7b903d2 | 10469 | /* PCH refclock must be enabled first */ |
89eff4be | 10470 | ibx_assert_pch_refclk_enabled(dev_priv); |
e7b903d2 | 10471 | |
15bdd4cf DV |
10472 | I915_WRITE(PCH_DPLL(pll->id), pll->hw_state.dpll); |
10473 | ||
10474 | /* Wait for the clocks to stabilize. */ | |
10475 | POSTING_READ(PCH_DPLL(pll->id)); | |
10476 | udelay(150); | |
10477 | ||
10478 | /* The pixel multiplier can only be updated once the | |
10479 | * DPLL is enabled and the clocks are stable. | |
10480 | * | |
10481 | * So write it again. | |
10482 | */ | |
10483 | I915_WRITE(PCH_DPLL(pll->id), pll->hw_state.dpll); | |
10484 | POSTING_READ(PCH_DPLL(pll->id)); | |
e7b903d2 DV |
10485 | udelay(200); |
10486 | } | |
10487 | ||
10488 | static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv, | |
10489 | struct intel_shared_dpll *pll) | |
10490 | { | |
10491 | struct drm_device *dev = dev_priv->dev; | |
10492 | struct intel_crtc *crtc; | |
e7b903d2 DV |
10493 | |
10494 | /* Make sure no transcoder isn't still depending on us. */ | |
10495 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) { | |
10496 | if (intel_crtc_to_shared_dpll(crtc) == pll) | |
10497 | assert_pch_transcoder_disabled(dev_priv, crtc->pipe); | |
ee7b9f93 JB |
10498 | } |
10499 | ||
15bdd4cf DV |
10500 | I915_WRITE(PCH_DPLL(pll->id), 0); |
10501 | POSTING_READ(PCH_DPLL(pll->id)); | |
e7b903d2 DV |
10502 | udelay(200); |
10503 | } | |
10504 | ||
46edb027 DV |
10505 | static char *ibx_pch_dpll_names[] = { |
10506 | "PCH DPLL A", | |
10507 | "PCH DPLL B", | |
10508 | }; | |
10509 | ||
7c74ade1 | 10510 | static void ibx_pch_dpll_init(struct drm_device *dev) |
ee7b9f93 | 10511 | { |
e7b903d2 | 10512 | struct drm_i915_private *dev_priv = dev->dev_private; |
ee7b9f93 JB |
10513 | int i; |
10514 | ||
7c74ade1 | 10515 | dev_priv->num_shared_dpll = 2; |
ee7b9f93 | 10516 | |
e72f9fbf | 10517 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
46edb027 DV |
10518 | dev_priv->shared_dplls[i].id = i; |
10519 | dev_priv->shared_dplls[i].name = ibx_pch_dpll_names[i]; | |
15bdd4cf | 10520 | dev_priv->shared_dplls[i].mode_set = ibx_pch_dpll_mode_set; |
e7b903d2 DV |
10521 | dev_priv->shared_dplls[i].enable = ibx_pch_dpll_enable; |
10522 | dev_priv->shared_dplls[i].disable = ibx_pch_dpll_disable; | |
5358901f DV |
10523 | dev_priv->shared_dplls[i].get_hw_state = |
10524 | ibx_pch_dpll_get_hw_state; | |
ee7b9f93 JB |
10525 | } |
10526 | } | |
10527 | ||
7c74ade1 DV |
10528 | static void intel_shared_dpll_init(struct drm_device *dev) |
10529 | { | |
e7b903d2 | 10530 | struct drm_i915_private *dev_priv = dev->dev_private; |
7c74ade1 DV |
10531 | |
10532 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
10533 | ibx_pch_dpll_init(dev); | |
10534 | else | |
10535 | dev_priv->num_shared_dpll = 0; | |
10536 | ||
10537 | BUG_ON(dev_priv->num_shared_dpll > I915_NUM_PLLS); | |
7c74ade1 DV |
10538 | } |
10539 | ||
b358d0a6 | 10540 | static void intel_crtc_init(struct drm_device *dev, int pipe) |
79e53945 | 10541 | { |
fbee40df | 10542 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 JB |
10543 | struct intel_crtc *intel_crtc; |
10544 | int i; | |
10545 | ||
955382f3 | 10546 | intel_crtc = kzalloc(sizeof(*intel_crtc), GFP_KERNEL); |
79e53945 JB |
10547 | if (intel_crtc == NULL) |
10548 | return; | |
10549 | ||
10550 | drm_crtc_init(dev, &intel_crtc->base, &intel_crtc_funcs); | |
10551 | ||
10552 | drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256); | |
79e53945 JB |
10553 | for (i = 0; i < 256; i++) { |
10554 | intel_crtc->lut_r[i] = i; | |
10555 | intel_crtc->lut_g[i] = i; | |
10556 | intel_crtc->lut_b[i] = i; | |
10557 | } | |
10558 | ||
1f1c2e24 VS |
10559 | /* |
10560 | * On gen2/3 only plane A can do fbc, but the panel fitter and lvds port | |
10561 | * is hooked to plane B. Hence we want plane A feeding pipe B. | |
10562 | */ | |
80824003 JB |
10563 | intel_crtc->pipe = pipe; |
10564 | intel_crtc->plane = pipe; | |
3a77c4c4 | 10565 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) { |
28c97730 | 10566 | DRM_DEBUG_KMS("swapping pipes & planes for FBC\n"); |
e2e767ab | 10567 | intel_crtc->plane = !pipe; |
80824003 JB |
10568 | } |
10569 | ||
22fd0fab JB |
10570 | BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) || |
10571 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL); | |
10572 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] = &intel_crtc->base; | |
10573 | dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base; | |
10574 | ||
79e53945 | 10575 | drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs); |
79e53945 JB |
10576 | } |
10577 | ||
752aa88a JB |
10578 | enum pipe intel_get_pipe_from_connector(struct intel_connector *connector) |
10579 | { | |
10580 | struct drm_encoder *encoder = connector->base.encoder; | |
10581 | ||
10582 | WARN_ON(!mutex_is_locked(&connector->base.dev->mode_config.mutex)); | |
10583 | ||
10584 | if (!encoder) | |
10585 | return INVALID_PIPE; | |
10586 | ||
10587 | return to_intel_crtc(encoder->crtc)->pipe; | |
10588 | } | |
10589 | ||
08d7b3d1 | 10590 | int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, |
05394f39 | 10591 | struct drm_file *file) |
08d7b3d1 | 10592 | { |
08d7b3d1 | 10593 | struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; |
c05422d5 DV |
10594 | struct drm_mode_object *drmmode_obj; |
10595 | struct intel_crtc *crtc; | |
08d7b3d1 | 10596 | |
1cff8f6b DV |
10597 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
10598 | return -ENODEV; | |
08d7b3d1 | 10599 | |
c05422d5 DV |
10600 | drmmode_obj = drm_mode_object_find(dev, pipe_from_crtc_id->crtc_id, |
10601 | DRM_MODE_OBJECT_CRTC); | |
08d7b3d1 | 10602 | |
c05422d5 | 10603 | if (!drmmode_obj) { |
08d7b3d1 | 10604 | DRM_ERROR("no such CRTC id\n"); |
3f2c2057 | 10605 | return -ENOENT; |
08d7b3d1 CW |
10606 | } |
10607 | ||
c05422d5 DV |
10608 | crtc = to_intel_crtc(obj_to_crtc(drmmode_obj)); |
10609 | pipe_from_crtc_id->pipe = crtc->pipe; | |
08d7b3d1 | 10610 | |
c05422d5 | 10611 | return 0; |
08d7b3d1 CW |
10612 | } |
10613 | ||
66a9278e | 10614 | static int intel_encoder_clones(struct intel_encoder *encoder) |
79e53945 | 10615 | { |
66a9278e DV |
10616 | struct drm_device *dev = encoder->base.dev; |
10617 | struct intel_encoder *source_encoder; | |
79e53945 | 10618 | int index_mask = 0; |
79e53945 JB |
10619 | int entry = 0; |
10620 | ||
66a9278e DV |
10621 | list_for_each_entry(source_encoder, |
10622 | &dev->mode_config.encoder_list, base.head) { | |
bc079e8b | 10623 | if (encoders_cloneable(encoder, source_encoder)) |
66a9278e DV |
10624 | index_mask |= (1 << entry); |
10625 | ||
79e53945 JB |
10626 | entry++; |
10627 | } | |
4ef69c7a | 10628 | |
79e53945 JB |
10629 | return index_mask; |
10630 | } | |
10631 | ||
4d302442 CW |
10632 | static bool has_edp_a(struct drm_device *dev) |
10633 | { | |
10634 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10635 | ||
10636 | if (!IS_MOBILE(dev)) | |
10637 | return false; | |
10638 | ||
10639 | if ((I915_READ(DP_A) & DP_DETECTED) == 0) | |
10640 | return false; | |
10641 | ||
e3589908 | 10642 | if (IS_GEN5(dev) && (I915_READ(FUSE_STRAP) & ILK_eDP_A_DISABLE)) |
4d302442 CW |
10643 | return false; |
10644 | ||
10645 | return true; | |
10646 | } | |
10647 | ||
ba0fbca4 DL |
10648 | const char *intel_output_name(int output) |
10649 | { | |
10650 | static const char *names[] = { | |
10651 | [INTEL_OUTPUT_UNUSED] = "Unused", | |
10652 | [INTEL_OUTPUT_ANALOG] = "Analog", | |
10653 | [INTEL_OUTPUT_DVO] = "DVO", | |
10654 | [INTEL_OUTPUT_SDVO] = "SDVO", | |
10655 | [INTEL_OUTPUT_LVDS] = "LVDS", | |
10656 | [INTEL_OUTPUT_TVOUT] = "TV", | |
10657 | [INTEL_OUTPUT_HDMI] = "HDMI", | |
10658 | [INTEL_OUTPUT_DISPLAYPORT] = "DisplayPort", | |
10659 | [INTEL_OUTPUT_EDP] = "eDP", | |
10660 | [INTEL_OUTPUT_DSI] = "DSI", | |
10661 | [INTEL_OUTPUT_UNKNOWN] = "Unknown", | |
10662 | }; | |
10663 | ||
10664 | if (output < 0 || output >= ARRAY_SIZE(names) || !names[output]) | |
10665 | return "Invalid"; | |
10666 | ||
10667 | return names[output]; | |
10668 | } | |
10669 | ||
79e53945 JB |
10670 | static void intel_setup_outputs(struct drm_device *dev) |
10671 | { | |
725e30ad | 10672 | struct drm_i915_private *dev_priv = dev->dev_private; |
4ef69c7a | 10673 | struct intel_encoder *encoder; |
cb0953d7 | 10674 | bool dpd_is_edp = false; |
79e53945 | 10675 | |
c9093354 | 10676 | intel_lvds_init(dev); |
79e53945 | 10677 | |
c40c0f5b | 10678 | if (!IS_ULT(dev)) |
79935fca | 10679 | intel_crt_init(dev); |
cb0953d7 | 10680 | |
affa9354 | 10681 | if (HAS_DDI(dev)) { |
0e72a5b5 ED |
10682 | int found; |
10683 | ||
10684 | /* Haswell uses DDI functions to detect digital outputs */ | |
10685 | found = I915_READ(DDI_BUF_CTL_A) & DDI_INIT_DISPLAY_DETECTED; | |
10686 | /* DDI A only supports eDP */ | |
10687 | if (found) | |
10688 | intel_ddi_init(dev, PORT_A); | |
10689 | ||
10690 | /* DDI B, C and D detection is indicated by the SFUSE_STRAP | |
10691 | * register */ | |
10692 | found = I915_READ(SFUSE_STRAP); | |
10693 | ||
10694 | if (found & SFUSE_STRAP_DDIB_DETECTED) | |
10695 | intel_ddi_init(dev, PORT_B); | |
10696 | if (found & SFUSE_STRAP_DDIC_DETECTED) | |
10697 | intel_ddi_init(dev, PORT_C); | |
10698 | if (found & SFUSE_STRAP_DDID_DETECTED) | |
10699 | intel_ddi_init(dev, PORT_D); | |
10700 | } else if (HAS_PCH_SPLIT(dev)) { | |
cb0953d7 | 10701 | int found; |
5d8a7752 | 10702 | dpd_is_edp = intel_dp_is_edp(dev, PORT_D); |
270b3042 DV |
10703 | |
10704 | if (has_edp_a(dev)) | |
10705 | intel_dp_init(dev, DP_A, PORT_A); | |
cb0953d7 | 10706 | |
dc0fa718 | 10707 | if (I915_READ(PCH_HDMIB) & SDVO_DETECTED) { |
461ed3ca | 10708 | /* PCH SDVOB multiplex with HDMIB */ |
eef4eacb | 10709 | found = intel_sdvo_init(dev, PCH_SDVOB, true); |
30ad48b7 | 10710 | if (!found) |
e2debe91 | 10711 | intel_hdmi_init(dev, PCH_HDMIB, PORT_B); |
5eb08b69 | 10712 | if (!found && (I915_READ(PCH_DP_B) & DP_DETECTED)) |
ab9d7c30 | 10713 | intel_dp_init(dev, PCH_DP_B, PORT_B); |
30ad48b7 ZW |
10714 | } |
10715 | ||
dc0fa718 | 10716 | if (I915_READ(PCH_HDMIC) & SDVO_DETECTED) |
e2debe91 | 10717 | intel_hdmi_init(dev, PCH_HDMIC, PORT_C); |
30ad48b7 | 10718 | |
dc0fa718 | 10719 | if (!dpd_is_edp && I915_READ(PCH_HDMID) & SDVO_DETECTED) |
e2debe91 | 10720 | intel_hdmi_init(dev, PCH_HDMID, PORT_D); |
30ad48b7 | 10721 | |
5eb08b69 | 10722 | if (I915_READ(PCH_DP_C) & DP_DETECTED) |
ab9d7c30 | 10723 | intel_dp_init(dev, PCH_DP_C, PORT_C); |
5eb08b69 | 10724 | |
270b3042 | 10725 | if (I915_READ(PCH_DP_D) & DP_DETECTED) |
ab9d7c30 | 10726 | intel_dp_init(dev, PCH_DP_D, PORT_D); |
4a87d65d | 10727 | } else if (IS_VALLEYVIEW(dev)) { |
585a94b8 AB |
10728 | if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIB) & SDVO_DETECTED) { |
10729 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIB, | |
10730 | PORT_B); | |
10731 | if (I915_READ(VLV_DISPLAY_BASE + DP_B) & DP_DETECTED) | |
10732 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_B, PORT_B); | |
10733 | } | |
10734 | ||
6f6005a5 JB |
10735 | if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIC) & SDVO_DETECTED) { |
10736 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIC, | |
10737 | PORT_C); | |
10738 | if (I915_READ(VLV_DISPLAY_BASE + DP_C) & DP_DETECTED) | |
5d8a7752 | 10739 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_C, PORT_C); |
6f6005a5 | 10740 | } |
19c03924 | 10741 | |
3cfca973 | 10742 | intel_dsi_init(dev); |
103a196f | 10743 | } else if (SUPPORTS_DIGITAL_OUTPUTS(dev)) { |
27185ae1 | 10744 | bool found = false; |
7d57382e | 10745 | |
e2debe91 | 10746 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 10747 | DRM_DEBUG_KMS("probing SDVOB\n"); |
e2debe91 | 10748 | found = intel_sdvo_init(dev, GEN3_SDVOB, true); |
b01f2c3a JB |
10749 | if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) { |
10750 | DRM_DEBUG_KMS("probing HDMI on SDVOB\n"); | |
e2debe91 | 10751 | intel_hdmi_init(dev, GEN4_HDMIB, PORT_B); |
b01f2c3a | 10752 | } |
27185ae1 | 10753 | |
e7281eab | 10754 | if (!found && SUPPORTS_INTEGRATED_DP(dev)) |
ab9d7c30 | 10755 | intel_dp_init(dev, DP_B, PORT_B); |
725e30ad | 10756 | } |
13520b05 KH |
10757 | |
10758 | /* Before G4X SDVOC doesn't have its own detect register */ | |
13520b05 | 10759 | |
e2debe91 | 10760 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 10761 | DRM_DEBUG_KMS("probing SDVOC\n"); |
e2debe91 | 10762 | found = intel_sdvo_init(dev, GEN3_SDVOC, false); |
b01f2c3a | 10763 | } |
27185ae1 | 10764 | |
e2debe91 | 10765 | if (!found && (I915_READ(GEN3_SDVOC) & SDVO_DETECTED)) { |
27185ae1 | 10766 | |
b01f2c3a JB |
10767 | if (SUPPORTS_INTEGRATED_HDMI(dev)) { |
10768 | DRM_DEBUG_KMS("probing HDMI on SDVOC\n"); | |
e2debe91 | 10769 | intel_hdmi_init(dev, GEN4_HDMIC, PORT_C); |
b01f2c3a | 10770 | } |
e7281eab | 10771 | if (SUPPORTS_INTEGRATED_DP(dev)) |
ab9d7c30 | 10772 | intel_dp_init(dev, DP_C, PORT_C); |
725e30ad | 10773 | } |
27185ae1 | 10774 | |
b01f2c3a | 10775 | if (SUPPORTS_INTEGRATED_DP(dev) && |
e7281eab | 10776 | (I915_READ(DP_D) & DP_DETECTED)) |
ab9d7c30 | 10777 | intel_dp_init(dev, DP_D, PORT_D); |
bad720ff | 10778 | } else if (IS_GEN2(dev)) |
79e53945 JB |
10779 | intel_dvo_init(dev); |
10780 | ||
103a196f | 10781 | if (SUPPORTS_TV(dev)) |
79e53945 JB |
10782 | intel_tv_init(dev); |
10783 | ||
4ef69c7a CW |
10784 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) { |
10785 | encoder->base.possible_crtcs = encoder->crtc_mask; | |
10786 | encoder->base.possible_clones = | |
66a9278e | 10787 | intel_encoder_clones(encoder); |
79e53945 | 10788 | } |
47356eb6 | 10789 | |
dde86e2d | 10790 | intel_init_pch_refclk(dev); |
270b3042 DV |
10791 | |
10792 | drm_helper_move_panel_connectors_to_head(dev); | |
79e53945 JB |
10793 | } |
10794 | ||
10795 | static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb) | |
10796 | { | |
10797 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
79e53945 | 10798 | |
ef2d633e DV |
10799 | drm_framebuffer_cleanup(fb); |
10800 | WARN_ON(!intel_fb->obj->framebuffer_references--); | |
10801 | drm_gem_object_unreference_unlocked(&intel_fb->obj->base); | |
79e53945 JB |
10802 | kfree(intel_fb); |
10803 | } | |
10804 | ||
10805 | static int intel_user_framebuffer_create_handle(struct drm_framebuffer *fb, | |
05394f39 | 10806 | struct drm_file *file, |
79e53945 JB |
10807 | unsigned int *handle) |
10808 | { | |
10809 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
05394f39 | 10810 | struct drm_i915_gem_object *obj = intel_fb->obj; |
79e53945 | 10811 | |
05394f39 | 10812 | return drm_gem_handle_create(file, &obj->base, handle); |
79e53945 JB |
10813 | } |
10814 | ||
10815 | static const struct drm_framebuffer_funcs intel_fb_funcs = { | |
10816 | .destroy = intel_user_framebuffer_destroy, | |
10817 | .create_handle = intel_user_framebuffer_create_handle, | |
10818 | }; | |
10819 | ||
b5ea642a DV |
10820 | static int intel_framebuffer_init(struct drm_device *dev, |
10821 | struct intel_framebuffer *intel_fb, | |
10822 | struct drm_mode_fb_cmd2 *mode_cmd, | |
10823 | struct drm_i915_gem_object *obj) | |
79e53945 | 10824 | { |
a57ce0b2 | 10825 | int aligned_height; |
a35cdaa0 | 10826 | int pitch_limit; |
79e53945 JB |
10827 | int ret; |
10828 | ||
dd4916c5 DV |
10829 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
10830 | ||
c16ed4be CW |
10831 | if (obj->tiling_mode == I915_TILING_Y) { |
10832 | DRM_DEBUG("hardware does not support tiling Y\n"); | |
57cd6508 | 10833 | return -EINVAL; |
c16ed4be | 10834 | } |
57cd6508 | 10835 | |
c16ed4be CW |
10836 | if (mode_cmd->pitches[0] & 63) { |
10837 | DRM_DEBUG("pitch (%d) must be at least 64 byte aligned\n", | |
10838 | mode_cmd->pitches[0]); | |
57cd6508 | 10839 | return -EINVAL; |
c16ed4be | 10840 | } |
57cd6508 | 10841 | |
a35cdaa0 CW |
10842 | if (INTEL_INFO(dev)->gen >= 5 && !IS_VALLEYVIEW(dev)) { |
10843 | pitch_limit = 32*1024; | |
10844 | } else if (INTEL_INFO(dev)->gen >= 4) { | |
10845 | if (obj->tiling_mode) | |
10846 | pitch_limit = 16*1024; | |
10847 | else | |
10848 | pitch_limit = 32*1024; | |
10849 | } else if (INTEL_INFO(dev)->gen >= 3) { | |
10850 | if (obj->tiling_mode) | |
10851 | pitch_limit = 8*1024; | |
10852 | else | |
10853 | pitch_limit = 16*1024; | |
10854 | } else | |
10855 | /* XXX DSPC is limited to 4k tiled */ | |
10856 | pitch_limit = 8*1024; | |
10857 | ||
10858 | if (mode_cmd->pitches[0] > pitch_limit) { | |
10859 | DRM_DEBUG("%s pitch (%d) must be at less than %d\n", | |
10860 | obj->tiling_mode ? "tiled" : "linear", | |
10861 | mode_cmd->pitches[0], pitch_limit); | |
5d7bd705 | 10862 | return -EINVAL; |
c16ed4be | 10863 | } |
5d7bd705 VS |
10864 | |
10865 | if (obj->tiling_mode != I915_TILING_NONE && | |
c16ed4be CW |
10866 | mode_cmd->pitches[0] != obj->stride) { |
10867 | DRM_DEBUG("pitch (%d) must match tiling stride (%d)\n", | |
10868 | mode_cmd->pitches[0], obj->stride); | |
5d7bd705 | 10869 | return -EINVAL; |
c16ed4be | 10870 | } |
5d7bd705 | 10871 | |
57779d06 | 10872 | /* Reject formats not supported by any plane early. */ |
308e5bcb | 10873 | switch (mode_cmd->pixel_format) { |
57779d06 | 10874 | case DRM_FORMAT_C8: |
04b3924d VS |
10875 | case DRM_FORMAT_RGB565: |
10876 | case DRM_FORMAT_XRGB8888: | |
10877 | case DRM_FORMAT_ARGB8888: | |
57779d06 VS |
10878 | break; |
10879 | case DRM_FORMAT_XRGB1555: | |
10880 | case DRM_FORMAT_ARGB1555: | |
c16ed4be | 10881 | if (INTEL_INFO(dev)->gen > 3) { |
4ee62c76 VS |
10882 | DRM_DEBUG("unsupported pixel format: %s\n", |
10883 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 10884 | return -EINVAL; |
c16ed4be | 10885 | } |
57779d06 VS |
10886 | break; |
10887 | case DRM_FORMAT_XBGR8888: | |
10888 | case DRM_FORMAT_ABGR8888: | |
04b3924d VS |
10889 | case DRM_FORMAT_XRGB2101010: |
10890 | case DRM_FORMAT_ARGB2101010: | |
57779d06 VS |
10891 | case DRM_FORMAT_XBGR2101010: |
10892 | case DRM_FORMAT_ABGR2101010: | |
c16ed4be | 10893 | if (INTEL_INFO(dev)->gen < 4) { |
4ee62c76 VS |
10894 | DRM_DEBUG("unsupported pixel format: %s\n", |
10895 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 10896 | return -EINVAL; |
c16ed4be | 10897 | } |
b5626747 | 10898 | break; |
04b3924d VS |
10899 | case DRM_FORMAT_YUYV: |
10900 | case DRM_FORMAT_UYVY: | |
10901 | case DRM_FORMAT_YVYU: | |
10902 | case DRM_FORMAT_VYUY: | |
c16ed4be | 10903 | if (INTEL_INFO(dev)->gen < 5) { |
4ee62c76 VS |
10904 | DRM_DEBUG("unsupported pixel format: %s\n", |
10905 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 10906 | return -EINVAL; |
c16ed4be | 10907 | } |
57cd6508 CW |
10908 | break; |
10909 | default: | |
4ee62c76 VS |
10910 | DRM_DEBUG("unsupported pixel format: %s\n", |
10911 | drm_get_format_name(mode_cmd->pixel_format)); | |
57cd6508 CW |
10912 | return -EINVAL; |
10913 | } | |
10914 | ||
90f9a336 VS |
10915 | /* FIXME need to adjust LINOFF/TILEOFF accordingly. */ |
10916 | if (mode_cmd->offsets[0] != 0) | |
10917 | return -EINVAL; | |
10918 | ||
a57ce0b2 JB |
10919 | aligned_height = intel_align_height(dev, mode_cmd->height, |
10920 | obj->tiling_mode); | |
53155c0a DV |
10921 | /* FIXME drm helper for size checks (especially planar formats)? */ |
10922 | if (obj->base.size < aligned_height * mode_cmd->pitches[0]) | |
10923 | return -EINVAL; | |
10924 | ||
c7d73f6a DV |
10925 | drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd); |
10926 | intel_fb->obj = obj; | |
80075d49 | 10927 | intel_fb->obj->framebuffer_references++; |
c7d73f6a | 10928 | |
79e53945 JB |
10929 | ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs); |
10930 | if (ret) { | |
10931 | DRM_ERROR("framebuffer init failed %d\n", ret); | |
10932 | return ret; | |
10933 | } | |
10934 | ||
79e53945 JB |
10935 | return 0; |
10936 | } | |
10937 | ||
79e53945 JB |
10938 | static struct drm_framebuffer * |
10939 | intel_user_framebuffer_create(struct drm_device *dev, | |
10940 | struct drm_file *filp, | |
308e5bcb | 10941 | struct drm_mode_fb_cmd2 *mode_cmd) |
79e53945 | 10942 | { |
05394f39 | 10943 | struct drm_i915_gem_object *obj; |
79e53945 | 10944 | |
308e5bcb JB |
10945 | obj = to_intel_bo(drm_gem_object_lookup(dev, filp, |
10946 | mode_cmd->handles[0])); | |
c8725226 | 10947 | if (&obj->base == NULL) |
cce13ff7 | 10948 | return ERR_PTR(-ENOENT); |
79e53945 | 10949 | |
d2dff872 | 10950 | return intel_framebuffer_create(dev, mode_cmd, obj); |
79e53945 JB |
10951 | } |
10952 | ||
4520f53a | 10953 | #ifndef CONFIG_DRM_I915_FBDEV |
0632fef6 | 10954 | static inline void intel_fbdev_output_poll_changed(struct drm_device *dev) |
4520f53a DV |
10955 | { |
10956 | } | |
10957 | #endif | |
10958 | ||
79e53945 | 10959 | static const struct drm_mode_config_funcs intel_mode_funcs = { |
79e53945 | 10960 | .fb_create = intel_user_framebuffer_create, |
0632fef6 | 10961 | .output_poll_changed = intel_fbdev_output_poll_changed, |
79e53945 JB |
10962 | }; |
10963 | ||
e70236a8 JB |
10964 | /* Set up chip specific display functions */ |
10965 | static void intel_init_display(struct drm_device *dev) | |
10966 | { | |
10967 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10968 | ||
ee9300bb DV |
10969 | if (HAS_PCH_SPLIT(dev) || IS_G4X(dev)) |
10970 | dev_priv->display.find_dpll = g4x_find_best_dpll; | |
10971 | else if (IS_VALLEYVIEW(dev)) | |
10972 | dev_priv->display.find_dpll = vlv_find_best_dpll; | |
10973 | else if (IS_PINEVIEW(dev)) | |
10974 | dev_priv->display.find_dpll = pnv_find_best_dpll; | |
10975 | else | |
10976 | dev_priv->display.find_dpll = i9xx_find_best_dpll; | |
10977 | ||
affa9354 | 10978 | if (HAS_DDI(dev)) { |
0e8ffe1b | 10979 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; |
4c6baa59 | 10980 | dev_priv->display.get_plane_config = ironlake_get_plane_config; |
09b4ddf9 | 10981 | dev_priv->display.crtc_mode_set = haswell_crtc_mode_set; |
4f771f10 PZ |
10982 | dev_priv->display.crtc_enable = haswell_crtc_enable; |
10983 | dev_priv->display.crtc_disable = haswell_crtc_disable; | |
6441ab5f | 10984 | dev_priv->display.off = haswell_crtc_off; |
262ca2b0 MR |
10985 | dev_priv->display.update_primary_plane = |
10986 | ironlake_update_primary_plane; | |
09b4ddf9 | 10987 | } else if (HAS_PCH_SPLIT(dev)) { |
0e8ffe1b | 10988 | dev_priv->display.get_pipe_config = ironlake_get_pipe_config; |
4c6baa59 | 10989 | dev_priv->display.get_plane_config = ironlake_get_plane_config; |
f564048e | 10990 | dev_priv->display.crtc_mode_set = ironlake_crtc_mode_set; |
76e5a89c DV |
10991 | dev_priv->display.crtc_enable = ironlake_crtc_enable; |
10992 | dev_priv->display.crtc_disable = ironlake_crtc_disable; | |
ee7b9f93 | 10993 | dev_priv->display.off = ironlake_crtc_off; |
262ca2b0 MR |
10994 | dev_priv->display.update_primary_plane = |
10995 | ironlake_update_primary_plane; | |
89b667f8 JB |
10996 | } else if (IS_VALLEYVIEW(dev)) { |
10997 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; | |
1ad292b5 | 10998 | dev_priv->display.get_plane_config = i9xx_get_plane_config; |
89b667f8 JB |
10999 | dev_priv->display.crtc_mode_set = i9xx_crtc_mode_set; |
11000 | dev_priv->display.crtc_enable = valleyview_crtc_enable; | |
11001 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
11002 | dev_priv->display.off = i9xx_crtc_off; | |
262ca2b0 MR |
11003 | dev_priv->display.update_primary_plane = |
11004 | i9xx_update_primary_plane; | |
f564048e | 11005 | } else { |
0e8ffe1b | 11006 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; |
1ad292b5 | 11007 | dev_priv->display.get_plane_config = i9xx_get_plane_config; |
f564048e | 11008 | dev_priv->display.crtc_mode_set = i9xx_crtc_mode_set; |
76e5a89c DV |
11009 | dev_priv->display.crtc_enable = i9xx_crtc_enable; |
11010 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
ee7b9f93 | 11011 | dev_priv->display.off = i9xx_crtc_off; |
262ca2b0 MR |
11012 | dev_priv->display.update_primary_plane = |
11013 | i9xx_update_primary_plane; | |
f564048e | 11014 | } |
e70236a8 | 11015 | |
e70236a8 | 11016 | /* Returns the core display clock speed */ |
25eb05fc JB |
11017 | if (IS_VALLEYVIEW(dev)) |
11018 | dev_priv->display.get_display_clock_speed = | |
11019 | valleyview_get_display_clock_speed; | |
11020 | else if (IS_I945G(dev) || (IS_G33(dev) && !IS_PINEVIEW_M(dev))) | |
e70236a8 JB |
11021 | dev_priv->display.get_display_clock_speed = |
11022 | i945_get_display_clock_speed; | |
11023 | else if (IS_I915G(dev)) | |
11024 | dev_priv->display.get_display_clock_speed = | |
11025 | i915_get_display_clock_speed; | |
257a7ffc | 11026 | else if (IS_I945GM(dev) || IS_845G(dev)) |
e70236a8 JB |
11027 | dev_priv->display.get_display_clock_speed = |
11028 | i9xx_misc_get_display_clock_speed; | |
257a7ffc DV |
11029 | else if (IS_PINEVIEW(dev)) |
11030 | dev_priv->display.get_display_clock_speed = | |
11031 | pnv_get_display_clock_speed; | |
e70236a8 JB |
11032 | else if (IS_I915GM(dev)) |
11033 | dev_priv->display.get_display_clock_speed = | |
11034 | i915gm_get_display_clock_speed; | |
11035 | else if (IS_I865G(dev)) | |
11036 | dev_priv->display.get_display_clock_speed = | |
11037 | i865_get_display_clock_speed; | |
f0f8a9ce | 11038 | else if (IS_I85X(dev)) |
e70236a8 JB |
11039 | dev_priv->display.get_display_clock_speed = |
11040 | i855_get_display_clock_speed; | |
11041 | else /* 852, 830 */ | |
11042 | dev_priv->display.get_display_clock_speed = | |
11043 | i830_get_display_clock_speed; | |
11044 | ||
7f8a8569 | 11045 | if (HAS_PCH_SPLIT(dev)) { |
f00a3ddf | 11046 | if (IS_GEN5(dev)) { |
674cf967 | 11047 | dev_priv->display.fdi_link_train = ironlake_fdi_link_train; |
e0dac65e | 11048 | dev_priv->display.write_eld = ironlake_write_eld; |
1398261a | 11049 | } else if (IS_GEN6(dev)) { |
674cf967 | 11050 | dev_priv->display.fdi_link_train = gen6_fdi_link_train; |
e0dac65e | 11051 | dev_priv->display.write_eld = ironlake_write_eld; |
9a952a0d PZ |
11052 | dev_priv->display.modeset_global_resources = |
11053 | snb_modeset_global_resources; | |
357555c0 JB |
11054 | } else if (IS_IVYBRIDGE(dev)) { |
11055 | /* FIXME: detect B0+ stepping and use auto training */ | |
11056 | dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train; | |
e0dac65e | 11057 | dev_priv->display.write_eld = ironlake_write_eld; |
01a415fd DV |
11058 | dev_priv->display.modeset_global_resources = |
11059 | ivb_modeset_global_resources; | |
4e0bbc31 | 11060 | } else if (IS_HASWELL(dev) || IS_GEN8(dev)) { |
c82e4d26 | 11061 | dev_priv->display.fdi_link_train = hsw_fdi_link_train; |
83358c85 | 11062 | dev_priv->display.write_eld = haswell_write_eld; |
d6dd9eb1 DV |
11063 | dev_priv->display.modeset_global_resources = |
11064 | haswell_modeset_global_resources; | |
a0e63c22 | 11065 | } |
6067aaea | 11066 | } else if (IS_G4X(dev)) { |
e0dac65e | 11067 | dev_priv->display.write_eld = g4x_write_eld; |
30a970c6 JB |
11068 | } else if (IS_VALLEYVIEW(dev)) { |
11069 | dev_priv->display.modeset_global_resources = | |
11070 | valleyview_modeset_global_resources; | |
9ca2fe73 | 11071 | dev_priv->display.write_eld = ironlake_write_eld; |
e70236a8 | 11072 | } |
8c9f3aaf JB |
11073 | |
11074 | /* Default just returns -ENODEV to indicate unsupported */ | |
11075 | dev_priv->display.queue_flip = intel_default_queue_flip; | |
11076 | ||
11077 | switch (INTEL_INFO(dev)->gen) { | |
11078 | case 2: | |
11079 | dev_priv->display.queue_flip = intel_gen2_queue_flip; | |
11080 | break; | |
11081 | ||
11082 | case 3: | |
11083 | dev_priv->display.queue_flip = intel_gen3_queue_flip; | |
11084 | break; | |
11085 | ||
11086 | case 4: | |
11087 | case 5: | |
11088 | dev_priv->display.queue_flip = intel_gen4_queue_flip; | |
11089 | break; | |
11090 | ||
11091 | case 6: | |
11092 | dev_priv->display.queue_flip = intel_gen6_queue_flip; | |
11093 | break; | |
7c9017e5 | 11094 | case 7: |
4e0bbc31 | 11095 | case 8: /* FIXME(BDW): Check that the gen8 RCS flip works. */ |
7c9017e5 JB |
11096 | dev_priv->display.queue_flip = intel_gen7_queue_flip; |
11097 | break; | |
8c9f3aaf | 11098 | } |
7bd688cd JN |
11099 | |
11100 | intel_panel_init_backlight_funcs(dev); | |
e70236a8 JB |
11101 | } |
11102 | ||
b690e96c JB |
11103 | /* |
11104 | * Some BIOSes insist on assuming the GPU's pipe A is enabled at suspend, | |
11105 | * resume, or other times. This quirk makes sure that's the case for | |
11106 | * affected systems. | |
11107 | */ | |
0206e353 | 11108 | static void quirk_pipea_force(struct drm_device *dev) |
b690e96c JB |
11109 | { |
11110 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11111 | ||
11112 | dev_priv->quirks |= QUIRK_PIPEA_FORCE; | |
bc0daf48 | 11113 | DRM_INFO("applying pipe a force quirk\n"); |
b690e96c JB |
11114 | } |
11115 | ||
435793df KP |
11116 | /* |
11117 | * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason | |
11118 | */ | |
11119 | static void quirk_ssc_force_disable(struct drm_device *dev) | |
11120 | { | |
11121 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11122 | dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE; | |
bc0daf48 | 11123 | DRM_INFO("applying lvds SSC disable quirk\n"); |
435793df KP |
11124 | } |
11125 | ||
4dca20ef | 11126 | /* |
5a15ab5b CE |
11127 | * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight |
11128 | * brightness value | |
4dca20ef CE |
11129 | */ |
11130 | static void quirk_invert_brightness(struct drm_device *dev) | |
11131 | { | |
11132 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11133 | dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS; | |
bc0daf48 | 11134 | DRM_INFO("applying inverted panel brightness quirk\n"); |
435793df KP |
11135 | } |
11136 | ||
b690e96c JB |
11137 | struct intel_quirk { |
11138 | int device; | |
11139 | int subsystem_vendor; | |
11140 | int subsystem_device; | |
11141 | void (*hook)(struct drm_device *dev); | |
11142 | }; | |
11143 | ||
5f85f176 EE |
11144 | /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ |
11145 | struct intel_dmi_quirk { | |
11146 | void (*hook)(struct drm_device *dev); | |
11147 | const struct dmi_system_id (*dmi_id_list)[]; | |
11148 | }; | |
11149 | ||
11150 | static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) | |
11151 | { | |
11152 | DRM_INFO("Backlight polarity reversed on %s\n", id->ident); | |
11153 | return 1; | |
11154 | } | |
11155 | ||
11156 | static const struct intel_dmi_quirk intel_dmi_quirks[] = { | |
11157 | { | |
11158 | .dmi_id_list = &(const struct dmi_system_id[]) { | |
11159 | { | |
11160 | .callback = intel_dmi_reverse_brightness, | |
11161 | .ident = "NCR Corporation", | |
11162 | .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), | |
11163 | DMI_MATCH(DMI_PRODUCT_NAME, ""), | |
11164 | }, | |
11165 | }, | |
11166 | { } /* terminating entry */ | |
11167 | }, | |
11168 | .hook = quirk_invert_brightness, | |
11169 | }, | |
11170 | }; | |
11171 | ||
c43b5634 | 11172 | static struct intel_quirk intel_quirks[] = { |
b690e96c | 11173 | /* HP Mini needs pipe A force quirk (LP: #322104) */ |
0206e353 | 11174 | { 0x27ae, 0x103c, 0x361a, quirk_pipea_force }, |
b690e96c | 11175 | |
b690e96c JB |
11176 | /* Toshiba Protege R-205, S-209 needs pipe A force quirk */ |
11177 | { 0x2592, 0x1179, 0x0001, quirk_pipea_force }, | |
11178 | ||
b690e96c JB |
11179 | /* ThinkPad T60 needs pipe A force quirk (bug #16494) */ |
11180 | { 0x2782, 0x17aa, 0x201a, quirk_pipea_force }, | |
11181 | ||
a4945f95 | 11182 | /* 830 needs to leave pipe A & dpll A up */ |
dcdaed6e | 11183 | { 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force }, |
435793df KP |
11184 | |
11185 | /* Lenovo U160 cannot use SSC on LVDS */ | |
11186 | { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable }, | |
070d329a MAS |
11187 | |
11188 | /* Sony Vaio Y cannot use SSC on LVDS */ | |
11189 | { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable }, | |
5a15ab5b | 11190 | |
be505f64 AH |
11191 | /* Acer Aspire 5734Z must invert backlight brightness */ |
11192 | { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness }, | |
11193 | ||
11194 | /* Acer/eMachines G725 */ | |
11195 | { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness }, | |
11196 | ||
11197 | /* Acer/eMachines e725 */ | |
11198 | { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness }, | |
11199 | ||
11200 | /* Acer/Packard Bell NCL20 */ | |
11201 | { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness }, | |
11202 | ||
11203 | /* Acer Aspire 4736Z */ | |
11204 | { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness }, | |
0f540c3a JN |
11205 | |
11206 | /* Acer Aspire 5336 */ | |
11207 | { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness }, | |
b690e96c JB |
11208 | }; |
11209 | ||
11210 | static void intel_init_quirks(struct drm_device *dev) | |
11211 | { | |
11212 | struct pci_dev *d = dev->pdev; | |
11213 | int i; | |
11214 | ||
11215 | for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) { | |
11216 | struct intel_quirk *q = &intel_quirks[i]; | |
11217 | ||
11218 | if (d->device == q->device && | |
11219 | (d->subsystem_vendor == q->subsystem_vendor || | |
11220 | q->subsystem_vendor == PCI_ANY_ID) && | |
11221 | (d->subsystem_device == q->subsystem_device || | |
11222 | q->subsystem_device == PCI_ANY_ID)) | |
11223 | q->hook(dev); | |
11224 | } | |
5f85f176 EE |
11225 | for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) { |
11226 | if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0) | |
11227 | intel_dmi_quirks[i].hook(dev); | |
11228 | } | |
b690e96c JB |
11229 | } |
11230 | ||
9cce37f4 JB |
11231 | /* Disable the VGA plane that we never use */ |
11232 | static void i915_disable_vga(struct drm_device *dev) | |
11233 | { | |
11234 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11235 | u8 sr1; | |
766aa1c4 | 11236 | u32 vga_reg = i915_vgacntrl_reg(dev); |
9cce37f4 | 11237 | |
2b37c616 | 11238 | /* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */ |
9cce37f4 | 11239 | vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); |
3fdcf431 | 11240 | outb(SR01, VGA_SR_INDEX); |
9cce37f4 JB |
11241 | sr1 = inb(VGA_SR_DATA); |
11242 | outb(sr1 | 1<<5, VGA_SR_DATA); | |
11243 | vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); | |
11244 | udelay(300); | |
11245 | ||
11246 | I915_WRITE(vga_reg, VGA_DISP_DISABLE); | |
11247 | POSTING_READ(vga_reg); | |
11248 | } | |
11249 | ||
f817586c DV |
11250 | void intel_modeset_init_hw(struct drm_device *dev) |
11251 | { | |
a8f78b58 ED |
11252 | intel_prepare_ddi(dev); |
11253 | ||
f817586c DV |
11254 | intel_init_clock_gating(dev); |
11255 | ||
5382f5f3 | 11256 | intel_reset_dpio(dev); |
40e9cf64 | 11257 | |
79f5b2c7 | 11258 | mutex_lock(&dev->struct_mutex); |
8090c6b9 | 11259 | intel_enable_gt_powersave(dev); |
79f5b2c7 | 11260 | mutex_unlock(&dev->struct_mutex); |
f817586c DV |
11261 | } |
11262 | ||
7d708ee4 ID |
11263 | void intel_modeset_suspend_hw(struct drm_device *dev) |
11264 | { | |
11265 | intel_suspend_hw(dev); | |
11266 | } | |
11267 | ||
79e53945 JB |
11268 | void intel_modeset_init(struct drm_device *dev) |
11269 | { | |
652c393a | 11270 | struct drm_i915_private *dev_priv = dev->dev_private; |
1fe47785 | 11271 | int sprite, ret; |
8cc87b75 | 11272 | enum pipe pipe; |
46f297fb | 11273 | struct intel_crtc *crtc; |
79e53945 JB |
11274 | |
11275 | drm_mode_config_init(dev); | |
11276 | ||
11277 | dev->mode_config.min_width = 0; | |
11278 | dev->mode_config.min_height = 0; | |
11279 | ||
019d96cb DA |
11280 | dev->mode_config.preferred_depth = 24; |
11281 | dev->mode_config.prefer_shadow = 1; | |
11282 | ||
e6ecefaa | 11283 | dev->mode_config.funcs = &intel_mode_funcs; |
79e53945 | 11284 | |
b690e96c JB |
11285 | intel_init_quirks(dev); |
11286 | ||
1fa61106 ED |
11287 | intel_init_pm(dev); |
11288 | ||
e3c74757 BW |
11289 | if (INTEL_INFO(dev)->num_pipes == 0) |
11290 | return; | |
11291 | ||
e70236a8 JB |
11292 | intel_init_display(dev); |
11293 | ||
a6c45cf0 CW |
11294 | if (IS_GEN2(dev)) { |
11295 | dev->mode_config.max_width = 2048; | |
11296 | dev->mode_config.max_height = 2048; | |
11297 | } else if (IS_GEN3(dev)) { | |
5e4d6fa7 KP |
11298 | dev->mode_config.max_width = 4096; |
11299 | dev->mode_config.max_height = 4096; | |
79e53945 | 11300 | } else { |
a6c45cf0 CW |
11301 | dev->mode_config.max_width = 8192; |
11302 | dev->mode_config.max_height = 8192; | |
79e53945 | 11303 | } |
068be561 DL |
11304 | |
11305 | if (IS_GEN2(dev)) { | |
11306 | dev->mode_config.cursor_width = GEN2_CURSOR_WIDTH; | |
11307 | dev->mode_config.cursor_height = GEN2_CURSOR_HEIGHT; | |
11308 | } else { | |
11309 | dev->mode_config.cursor_width = MAX_CURSOR_WIDTH; | |
11310 | dev->mode_config.cursor_height = MAX_CURSOR_HEIGHT; | |
11311 | } | |
11312 | ||
5d4545ae | 11313 | dev->mode_config.fb_base = dev_priv->gtt.mappable_base; |
79e53945 | 11314 | |
28c97730 | 11315 | DRM_DEBUG_KMS("%d display pipe%s available.\n", |
7eb552ae BW |
11316 | INTEL_INFO(dev)->num_pipes, |
11317 | INTEL_INFO(dev)->num_pipes > 1 ? "s" : ""); | |
79e53945 | 11318 | |
8cc87b75 DL |
11319 | for_each_pipe(pipe) { |
11320 | intel_crtc_init(dev, pipe); | |
1fe47785 DL |
11321 | for_each_sprite(pipe, sprite) { |
11322 | ret = intel_plane_init(dev, pipe, sprite); | |
7f1f3851 | 11323 | if (ret) |
06da8da2 | 11324 | DRM_DEBUG_KMS("pipe %c sprite %c init failed: %d\n", |
1fe47785 | 11325 | pipe_name(pipe), sprite_name(pipe, sprite), ret); |
7f1f3851 | 11326 | } |
79e53945 JB |
11327 | } |
11328 | ||
f42bb70d | 11329 | intel_init_dpio(dev); |
5382f5f3 | 11330 | intel_reset_dpio(dev); |
f42bb70d | 11331 | |
79f689aa | 11332 | intel_cpu_pll_init(dev); |
e72f9fbf | 11333 | intel_shared_dpll_init(dev); |
ee7b9f93 | 11334 | |
9cce37f4 JB |
11335 | /* Just disable it once at startup */ |
11336 | i915_disable_vga(dev); | |
79e53945 | 11337 | intel_setup_outputs(dev); |
11be49eb CW |
11338 | |
11339 | /* Just in case the BIOS is doing something questionable. */ | |
11340 | intel_disable_fbc(dev); | |
fa9fa083 | 11341 | |
8b687df4 | 11342 | mutex_lock(&dev->mode_config.mutex); |
fa9fa083 | 11343 | intel_modeset_setup_hw_state(dev, false); |
8b687df4 | 11344 | mutex_unlock(&dev->mode_config.mutex); |
46f297fb JB |
11345 | |
11346 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
11347 | base.head) { | |
11348 | if (!crtc->active) | |
11349 | continue; | |
11350 | ||
46f297fb | 11351 | /* |
46f297fb JB |
11352 | * Note that reserving the BIOS fb up front prevents us |
11353 | * from stuffing other stolen allocations like the ring | |
11354 | * on top. This prevents some ugliness at boot time, and | |
11355 | * can even allow for smooth boot transitions if the BIOS | |
11356 | * fb is large enough for the active pipe configuration. | |
11357 | */ | |
11358 | if (dev_priv->display.get_plane_config) { | |
11359 | dev_priv->display.get_plane_config(crtc, | |
11360 | &crtc->plane_config); | |
11361 | /* | |
11362 | * If the fb is shared between multiple heads, we'll | |
11363 | * just get the first one. | |
11364 | */ | |
484b41dd | 11365 | intel_find_plane_obj(crtc, &crtc->plane_config); |
46f297fb | 11366 | } |
46f297fb | 11367 | } |
2c7111db CW |
11368 | } |
11369 | ||
24929352 DV |
11370 | static void |
11371 | intel_connector_break_all_links(struct intel_connector *connector) | |
11372 | { | |
11373 | connector->base.dpms = DRM_MODE_DPMS_OFF; | |
11374 | connector->base.encoder = NULL; | |
11375 | connector->encoder->connectors_active = false; | |
11376 | connector->encoder->base.crtc = NULL; | |
11377 | } | |
11378 | ||
7fad798e DV |
11379 | static void intel_enable_pipe_a(struct drm_device *dev) |
11380 | { | |
11381 | struct intel_connector *connector; | |
11382 | struct drm_connector *crt = NULL; | |
11383 | struct intel_load_detect_pipe load_detect_temp; | |
11384 | ||
11385 | /* We can't just switch on the pipe A, we need to set things up with a | |
11386 | * proper mode and output configuration. As a gross hack, enable pipe A | |
11387 | * by enabling the load detect pipe once. */ | |
11388 | list_for_each_entry(connector, | |
11389 | &dev->mode_config.connector_list, | |
11390 | base.head) { | |
11391 | if (connector->encoder->type == INTEL_OUTPUT_ANALOG) { | |
11392 | crt = &connector->base; | |
11393 | break; | |
11394 | } | |
11395 | } | |
11396 | ||
11397 | if (!crt) | |
11398 | return; | |
11399 | ||
11400 | if (intel_get_load_detect_pipe(crt, NULL, &load_detect_temp)) | |
11401 | intel_release_load_detect_pipe(crt, &load_detect_temp); | |
11402 | ||
652c393a | 11403 | |
7fad798e DV |
11404 | } |
11405 | ||
fa555837 DV |
11406 | static bool |
11407 | intel_check_plane_mapping(struct intel_crtc *crtc) | |
11408 | { | |
7eb552ae BW |
11409 | struct drm_device *dev = crtc->base.dev; |
11410 | struct drm_i915_private *dev_priv = dev->dev_private; | |
fa555837 DV |
11411 | u32 reg, val; |
11412 | ||
7eb552ae | 11413 | if (INTEL_INFO(dev)->num_pipes == 1) |
fa555837 DV |
11414 | return true; |
11415 | ||
11416 | reg = DSPCNTR(!crtc->plane); | |
11417 | val = I915_READ(reg); | |
11418 | ||
11419 | if ((val & DISPLAY_PLANE_ENABLE) && | |
11420 | (!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe)) | |
11421 | return false; | |
11422 | ||
11423 | return true; | |
11424 | } | |
11425 | ||
24929352 DV |
11426 | static void intel_sanitize_crtc(struct intel_crtc *crtc) |
11427 | { | |
11428 | struct drm_device *dev = crtc->base.dev; | |
11429 | struct drm_i915_private *dev_priv = dev->dev_private; | |
fa555837 | 11430 | u32 reg; |
24929352 | 11431 | |
24929352 | 11432 | /* Clear any frame start delays used for debugging left by the BIOS */ |
3b117c8f | 11433 | reg = PIPECONF(crtc->config.cpu_transcoder); |
24929352 DV |
11434 | I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); |
11435 | ||
11436 | /* We need to sanitize the plane -> pipe mapping first because this will | |
fa555837 DV |
11437 | * disable the crtc (and hence change the state) if it is wrong. Note |
11438 | * that gen4+ has a fixed plane -> pipe mapping. */ | |
11439 | if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) { | |
24929352 DV |
11440 | struct intel_connector *connector; |
11441 | bool plane; | |
11442 | ||
24929352 DV |
11443 | DRM_DEBUG_KMS("[CRTC:%d] wrong plane connection detected!\n", |
11444 | crtc->base.base.id); | |
11445 | ||
11446 | /* Pipe has the wrong plane attached and the plane is active. | |
11447 | * Temporarily change the plane mapping and disable everything | |
11448 | * ... */ | |
11449 | plane = crtc->plane; | |
11450 | crtc->plane = !plane; | |
11451 | dev_priv->display.crtc_disable(&crtc->base); | |
11452 | crtc->plane = plane; | |
11453 | ||
11454 | /* ... and break all links. */ | |
11455 | list_for_each_entry(connector, &dev->mode_config.connector_list, | |
11456 | base.head) { | |
11457 | if (connector->encoder->base.crtc != &crtc->base) | |
11458 | continue; | |
11459 | ||
11460 | intel_connector_break_all_links(connector); | |
11461 | } | |
11462 | ||
11463 | WARN_ON(crtc->active); | |
11464 | crtc->base.enabled = false; | |
11465 | } | |
24929352 | 11466 | |
7fad798e DV |
11467 | if (dev_priv->quirks & QUIRK_PIPEA_FORCE && |
11468 | crtc->pipe == PIPE_A && !crtc->active) { | |
11469 | /* BIOS forgot to enable pipe A, this mostly happens after | |
11470 | * resume. Force-enable the pipe to fix this, the update_dpms | |
11471 | * call below we restore the pipe to the right state, but leave | |
11472 | * the required bits on. */ | |
11473 | intel_enable_pipe_a(dev); | |
11474 | } | |
11475 | ||
24929352 DV |
11476 | /* Adjust the state of the output pipe according to whether we |
11477 | * have active connectors/encoders. */ | |
11478 | intel_crtc_update_dpms(&crtc->base); | |
11479 | ||
11480 | if (crtc->active != crtc->base.enabled) { | |
11481 | struct intel_encoder *encoder; | |
11482 | ||
11483 | /* This can happen either due to bugs in the get_hw_state | |
11484 | * functions or because the pipe is force-enabled due to the | |
11485 | * pipe A quirk. */ | |
11486 | DRM_DEBUG_KMS("[CRTC:%d] hw state adjusted, was %s, now %s\n", | |
11487 | crtc->base.base.id, | |
11488 | crtc->base.enabled ? "enabled" : "disabled", | |
11489 | crtc->active ? "enabled" : "disabled"); | |
11490 | ||
11491 | crtc->base.enabled = crtc->active; | |
11492 | ||
11493 | /* Because we only establish the connector -> encoder -> | |
11494 | * crtc links if something is active, this means the | |
11495 | * crtc is now deactivated. Break the links. connector | |
11496 | * -> encoder links are only establish when things are | |
11497 | * actually up, hence no need to break them. */ | |
11498 | WARN_ON(crtc->active); | |
11499 | ||
11500 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) { | |
11501 | WARN_ON(encoder->connectors_active); | |
11502 | encoder->base.crtc = NULL; | |
11503 | } | |
11504 | } | |
4cc31489 DV |
11505 | if (crtc->active) { |
11506 | /* | |
11507 | * We start out with underrun reporting disabled to avoid races. | |
11508 | * For correct bookkeeping mark this on active crtcs. | |
11509 | * | |
11510 | * No protection against concurrent access is required - at | |
11511 | * worst a fifo underrun happens which also sets this to false. | |
11512 | */ | |
11513 | crtc->cpu_fifo_underrun_disabled = true; | |
11514 | crtc->pch_fifo_underrun_disabled = true; | |
11515 | } | |
24929352 DV |
11516 | } |
11517 | ||
11518 | static void intel_sanitize_encoder(struct intel_encoder *encoder) | |
11519 | { | |
11520 | struct intel_connector *connector; | |
11521 | struct drm_device *dev = encoder->base.dev; | |
11522 | ||
11523 | /* We need to check both for a crtc link (meaning that the | |
11524 | * encoder is active and trying to read from a pipe) and the | |
11525 | * pipe itself being active. */ | |
11526 | bool has_active_crtc = encoder->base.crtc && | |
11527 | to_intel_crtc(encoder->base.crtc)->active; | |
11528 | ||
11529 | if (encoder->connectors_active && !has_active_crtc) { | |
11530 | DRM_DEBUG_KMS("[ENCODER:%d:%s] has active connectors but no active pipe!\n", | |
11531 | encoder->base.base.id, | |
11532 | drm_get_encoder_name(&encoder->base)); | |
11533 | ||
11534 | /* Connector is active, but has no active pipe. This is | |
11535 | * fallout from our resume register restoring. Disable | |
11536 | * the encoder manually again. */ | |
11537 | if (encoder->base.crtc) { | |
11538 | DRM_DEBUG_KMS("[ENCODER:%d:%s] manually disabled\n", | |
11539 | encoder->base.base.id, | |
11540 | drm_get_encoder_name(&encoder->base)); | |
11541 | encoder->disable(encoder); | |
11542 | } | |
11543 | ||
11544 | /* Inconsistent output/port/pipe state happens presumably due to | |
11545 | * a bug in one of the get_hw_state functions. Or someplace else | |
11546 | * in our code, like the register restore mess on resume. Clamp | |
11547 | * things to off as a safer default. */ | |
11548 | list_for_each_entry(connector, | |
11549 | &dev->mode_config.connector_list, | |
11550 | base.head) { | |
11551 | if (connector->encoder != encoder) | |
11552 | continue; | |
11553 | ||
11554 | intel_connector_break_all_links(connector); | |
11555 | } | |
11556 | } | |
11557 | /* Enabled encoders without active connectors will be fixed in | |
11558 | * the crtc fixup. */ | |
11559 | } | |
11560 | ||
04098753 | 11561 | void i915_redisable_vga_power_on(struct drm_device *dev) |
0fde901f KM |
11562 | { |
11563 | struct drm_i915_private *dev_priv = dev->dev_private; | |
766aa1c4 | 11564 | u32 vga_reg = i915_vgacntrl_reg(dev); |
0fde901f | 11565 | |
04098753 ID |
11566 | if (!(I915_READ(vga_reg) & VGA_DISP_DISABLE)) { |
11567 | DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); | |
11568 | i915_disable_vga(dev); | |
11569 | } | |
11570 | } | |
11571 | ||
11572 | void i915_redisable_vga(struct drm_device *dev) | |
11573 | { | |
11574 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11575 | ||
8dc8a27c PZ |
11576 | /* This function can be called both from intel_modeset_setup_hw_state or |
11577 | * at a very early point in our resume sequence, where the power well | |
11578 | * structures are not yet restored. Since this function is at a very | |
11579 | * paranoid "someone might have enabled VGA while we were not looking" | |
11580 | * level, just check if the power well is enabled instead of trying to | |
11581 | * follow the "don't touch the power well if we don't need it" policy | |
11582 | * the rest of the driver uses. */ | |
04098753 | 11583 | if (!intel_display_power_enabled(dev_priv, POWER_DOMAIN_VGA)) |
8dc8a27c PZ |
11584 | return; |
11585 | ||
04098753 | 11586 | i915_redisable_vga_power_on(dev); |
0fde901f KM |
11587 | } |
11588 | ||
30e984df | 11589 | static void intel_modeset_readout_hw_state(struct drm_device *dev) |
24929352 DV |
11590 | { |
11591 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11592 | enum pipe pipe; | |
24929352 DV |
11593 | struct intel_crtc *crtc; |
11594 | struct intel_encoder *encoder; | |
11595 | struct intel_connector *connector; | |
5358901f | 11596 | int i; |
24929352 | 11597 | |
0e8ffe1b DV |
11598 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, |
11599 | base.head) { | |
88adfff1 | 11600 | memset(&crtc->config, 0, sizeof(crtc->config)); |
3b117c8f | 11601 | |
0e8ffe1b DV |
11602 | crtc->active = dev_priv->display.get_pipe_config(crtc, |
11603 | &crtc->config); | |
24929352 DV |
11604 | |
11605 | crtc->base.enabled = crtc->active; | |
4c445e0e | 11606 | crtc->primary_enabled = crtc->active; |
24929352 DV |
11607 | |
11608 | DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n", | |
11609 | crtc->base.base.id, | |
11610 | crtc->active ? "enabled" : "disabled"); | |
11611 | } | |
11612 | ||
5358901f | 11613 | /* FIXME: Smash this into the new shared dpll infrastructure. */ |
affa9354 | 11614 | if (HAS_DDI(dev)) |
6441ab5f PZ |
11615 | intel_ddi_setup_hw_pll_state(dev); |
11616 | ||
5358901f DV |
11617 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
11618 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
11619 | ||
11620 | pll->on = pll->get_hw_state(dev_priv, pll, &pll->hw_state); | |
11621 | pll->active = 0; | |
11622 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
11623 | base.head) { | |
11624 | if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) | |
11625 | pll->active++; | |
11626 | } | |
11627 | pll->refcount = pll->active; | |
11628 | ||
35c95375 DV |
11629 | DRM_DEBUG_KMS("%s hw state readout: refcount %i, on %i\n", |
11630 | pll->name, pll->refcount, pll->on); | |
5358901f DV |
11631 | } |
11632 | ||
24929352 DV |
11633 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
11634 | base.head) { | |
11635 | pipe = 0; | |
11636 | ||
11637 | if (encoder->get_hw_state(encoder, &pipe)) { | |
045ac3b5 JB |
11638 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
11639 | encoder->base.crtc = &crtc->base; | |
1d37b689 | 11640 | encoder->get_config(encoder, &crtc->config); |
24929352 DV |
11641 | } else { |
11642 | encoder->base.crtc = NULL; | |
11643 | } | |
11644 | ||
11645 | encoder->connectors_active = false; | |
6f2bcceb | 11646 | DRM_DEBUG_KMS("[ENCODER:%d:%s] hw state readout: %s, pipe %c\n", |
24929352 DV |
11647 | encoder->base.base.id, |
11648 | drm_get_encoder_name(&encoder->base), | |
11649 | encoder->base.crtc ? "enabled" : "disabled", | |
6f2bcceb | 11650 | pipe_name(pipe)); |
24929352 DV |
11651 | } |
11652 | ||
11653 | list_for_each_entry(connector, &dev->mode_config.connector_list, | |
11654 | base.head) { | |
11655 | if (connector->get_hw_state(connector)) { | |
11656 | connector->base.dpms = DRM_MODE_DPMS_ON; | |
11657 | connector->encoder->connectors_active = true; | |
11658 | connector->base.encoder = &connector->encoder->base; | |
11659 | } else { | |
11660 | connector->base.dpms = DRM_MODE_DPMS_OFF; | |
11661 | connector->base.encoder = NULL; | |
11662 | } | |
11663 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] hw state readout: %s\n", | |
11664 | connector->base.base.id, | |
11665 | drm_get_connector_name(&connector->base), | |
11666 | connector->base.encoder ? "enabled" : "disabled"); | |
11667 | } | |
30e984df DV |
11668 | } |
11669 | ||
11670 | /* Scan out the current hw modeset state, sanitizes it and maps it into the drm | |
11671 | * and i915 state tracking structures. */ | |
11672 | void intel_modeset_setup_hw_state(struct drm_device *dev, | |
11673 | bool force_restore) | |
11674 | { | |
11675 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11676 | enum pipe pipe; | |
30e984df DV |
11677 | struct intel_crtc *crtc; |
11678 | struct intel_encoder *encoder; | |
35c95375 | 11679 | int i; |
30e984df DV |
11680 | |
11681 | intel_modeset_readout_hw_state(dev); | |
24929352 | 11682 | |
babea61d JB |
11683 | /* |
11684 | * Now that we have the config, copy it to each CRTC struct | |
11685 | * Note that this could go away if we move to using crtc_config | |
11686 | * checking everywhere. | |
11687 | */ | |
11688 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
11689 | base.head) { | |
d330a953 | 11690 | if (crtc->active && i915.fastboot) { |
f6a83288 | 11691 | intel_mode_from_pipe_config(&crtc->base.mode, &crtc->config); |
babea61d JB |
11692 | DRM_DEBUG_KMS("[CRTC:%d] found active mode: ", |
11693 | crtc->base.base.id); | |
11694 | drm_mode_debug_printmodeline(&crtc->base.mode); | |
11695 | } | |
11696 | } | |
11697 | ||
24929352 DV |
11698 | /* HW state is read out, now we need to sanitize this mess. */ |
11699 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, | |
11700 | base.head) { | |
11701 | intel_sanitize_encoder(encoder); | |
11702 | } | |
11703 | ||
11704 | for_each_pipe(pipe) { | |
11705 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); | |
11706 | intel_sanitize_crtc(crtc); | |
c0b03411 | 11707 | intel_dump_pipe_config(crtc, &crtc->config, "[setup_hw_state]"); |
24929352 | 11708 | } |
9a935856 | 11709 | |
35c95375 DV |
11710 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
11711 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
11712 | ||
11713 | if (!pll->on || pll->active) | |
11714 | continue; | |
11715 | ||
11716 | DRM_DEBUG_KMS("%s enabled but not in use, disabling\n", pll->name); | |
11717 | ||
11718 | pll->disable(dev_priv, pll); | |
11719 | pll->on = false; | |
11720 | } | |
11721 | ||
96f90c54 | 11722 | if (HAS_PCH_SPLIT(dev)) |
243e6a44 VS |
11723 | ilk_wm_get_hw_state(dev); |
11724 | ||
45e2b5f6 | 11725 | if (force_restore) { |
7d0bc1ea VS |
11726 | i915_redisable_vga(dev); |
11727 | ||
f30da187 DV |
11728 | /* |
11729 | * We need to use raw interfaces for restoring state to avoid | |
11730 | * checking (bogus) intermediate states. | |
11731 | */ | |
45e2b5f6 | 11732 | for_each_pipe(pipe) { |
b5644d05 JB |
11733 | struct drm_crtc *crtc = |
11734 | dev_priv->pipe_to_crtc_mapping[pipe]; | |
f30da187 DV |
11735 | |
11736 | __intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, | |
f4510a27 | 11737 | crtc->primary->fb); |
45e2b5f6 DV |
11738 | } |
11739 | } else { | |
11740 | intel_modeset_update_staged_output_state(dev); | |
11741 | } | |
8af6cf88 DV |
11742 | |
11743 | intel_modeset_check_state(dev); | |
2c7111db CW |
11744 | } |
11745 | ||
11746 | void intel_modeset_gem_init(struct drm_device *dev) | |
11747 | { | |
484b41dd JB |
11748 | struct drm_crtc *c; |
11749 | struct intel_framebuffer *fb; | |
11750 | ||
ae48434c ID |
11751 | mutex_lock(&dev->struct_mutex); |
11752 | intel_init_gt_powersave(dev); | |
11753 | mutex_unlock(&dev->struct_mutex); | |
11754 | ||
1833b134 | 11755 | intel_modeset_init_hw(dev); |
02e792fb DV |
11756 | |
11757 | intel_setup_overlay(dev); | |
484b41dd JB |
11758 | |
11759 | /* | |
11760 | * Make sure any fbs we allocated at startup are properly | |
11761 | * pinned & fenced. When we do the allocation it's too early | |
11762 | * for this. | |
11763 | */ | |
11764 | mutex_lock(&dev->struct_mutex); | |
11765 | list_for_each_entry(c, &dev->mode_config.crtc_list, head) { | |
66e514c1 | 11766 | if (!c->primary->fb) |
484b41dd JB |
11767 | continue; |
11768 | ||
66e514c1 | 11769 | fb = to_intel_framebuffer(c->primary->fb); |
484b41dd JB |
11770 | if (intel_pin_and_fence_fb_obj(dev, fb->obj, NULL)) { |
11771 | DRM_ERROR("failed to pin boot fb on pipe %d\n", | |
11772 | to_intel_crtc(c)->pipe); | |
66e514c1 DA |
11773 | drm_framebuffer_unreference(c->primary->fb); |
11774 | c->primary->fb = NULL; | |
484b41dd JB |
11775 | } |
11776 | } | |
11777 | mutex_unlock(&dev->struct_mutex); | |
79e53945 JB |
11778 | } |
11779 | ||
4932e2c3 ID |
11780 | void intel_connector_unregister(struct intel_connector *intel_connector) |
11781 | { | |
11782 | struct drm_connector *connector = &intel_connector->base; | |
11783 | ||
11784 | intel_panel_destroy_backlight(connector); | |
11785 | drm_sysfs_connector_remove(connector); | |
11786 | } | |
11787 | ||
79e53945 JB |
11788 | void intel_modeset_cleanup(struct drm_device *dev) |
11789 | { | |
652c393a JB |
11790 | struct drm_i915_private *dev_priv = dev->dev_private; |
11791 | struct drm_crtc *crtc; | |
d9255d57 | 11792 | struct drm_connector *connector; |
652c393a | 11793 | |
fd0c0642 DV |
11794 | /* |
11795 | * Interrupts and polling as the first thing to avoid creating havoc. | |
11796 | * Too much stuff here (turning of rps, connectors, ...) would | |
11797 | * experience fancy races otherwise. | |
11798 | */ | |
11799 | drm_irq_uninstall(dev); | |
11800 | cancel_work_sync(&dev_priv->hotplug_work); | |
11801 | /* | |
11802 | * Due to the hpd irq storm handling the hotplug work can re-arm the | |
11803 | * poll handlers. Hence disable polling after hpd handling is shut down. | |
11804 | */ | |
f87ea761 | 11805 | drm_kms_helper_poll_fini(dev); |
fd0c0642 | 11806 | |
652c393a JB |
11807 | mutex_lock(&dev->struct_mutex); |
11808 | ||
723bfd70 JB |
11809 | intel_unregister_dsm_handler(); |
11810 | ||
652c393a JB |
11811 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
11812 | /* Skip inactive CRTCs */ | |
f4510a27 | 11813 | if (!crtc->primary->fb) |
652c393a JB |
11814 | continue; |
11815 | ||
3dec0095 | 11816 | intel_increase_pllclock(crtc); |
652c393a JB |
11817 | } |
11818 | ||
973d04f9 | 11819 | intel_disable_fbc(dev); |
e70236a8 | 11820 | |
8090c6b9 | 11821 | intel_disable_gt_powersave(dev); |
0cdab21f | 11822 | |
930ebb46 DV |
11823 | ironlake_teardown_rc6(dev); |
11824 | ||
69341a5e KH |
11825 | mutex_unlock(&dev->struct_mutex); |
11826 | ||
1630fe75 CW |
11827 | /* flush any delayed tasks or pending work */ |
11828 | flush_scheduled_work(); | |
11829 | ||
db31af1d JN |
11830 | /* destroy the backlight and sysfs files before encoders/connectors */ |
11831 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
4932e2c3 ID |
11832 | struct intel_connector *intel_connector; |
11833 | ||
11834 | intel_connector = to_intel_connector(connector); | |
11835 | intel_connector->unregister(intel_connector); | |
db31af1d | 11836 | } |
d9255d57 | 11837 | |
79e53945 | 11838 | drm_mode_config_cleanup(dev); |
4d7bb011 DV |
11839 | |
11840 | intel_cleanup_overlay(dev); | |
ae48434c ID |
11841 | |
11842 | mutex_lock(&dev->struct_mutex); | |
11843 | intel_cleanup_gt_powersave(dev); | |
11844 | mutex_unlock(&dev->struct_mutex); | |
79e53945 JB |
11845 | } |
11846 | ||
f1c79df3 ZW |
11847 | /* |
11848 | * Return which encoder is currently attached for connector. | |
11849 | */ | |
df0e9248 | 11850 | struct drm_encoder *intel_best_encoder(struct drm_connector *connector) |
79e53945 | 11851 | { |
df0e9248 CW |
11852 | return &intel_attached_encoder(connector)->base; |
11853 | } | |
f1c79df3 | 11854 | |
df0e9248 CW |
11855 | void intel_connector_attach_encoder(struct intel_connector *connector, |
11856 | struct intel_encoder *encoder) | |
11857 | { | |
11858 | connector->encoder = encoder; | |
11859 | drm_mode_connector_attach_encoder(&connector->base, | |
11860 | &encoder->base); | |
79e53945 | 11861 | } |
28d52043 DA |
11862 | |
11863 | /* | |
11864 | * set vga decode state - true == enable VGA decode | |
11865 | */ | |
11866 | int intel_modeset_vga_set_state(struct drm_device *dev, bool state) | |
11867 | { | |
11868 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a885b3cc | 11869 | unsigned reg = INTEL_INFO(dev)->gen >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL; |
28d52043 DA |
11870 | u16 gmch_ctrl; |
11871 | ||
75fa041d CW |
11872 | if (pci_read_config_word(dev_priv->bridge_dev, reg, &gmch_ctrl)) { |
11873 | DRM_ERROR("failed to read control word\n"); | |
11874 | return -EIO; | |
11875 | } | |
11876 | ||
c0cc8a55 CW |
11877 | if (!!(gmch_ctrl & INTEL_GMCH_VGA_DISABLE) == !state) |
11878 | return 0; | |
11879 | ||
28d52043 DA |
11880 | if (state) |
11881 | gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE; | |
11882 | else | |
11883 | gmch_ctrl |= INTEL_GMCH_VGA_DISABLE; | |
75fa041d CW |
11884 | |
11885 | if (pci_write_config_word(dev_priv->bridge_dev, reg, gmch_ctrl)) { | |
11886 | DRM_ERROR("failed to write control word\n"); | |
11887 | return -EIO; | |
11888 | } | |
11889 | ||
28d52043 DA |
11890 | return 0; |
11891 | } | |
c4a1d9e4 | 11892 | |
c4a1d9e4 | 11893 | struct intel_display_error_state { |
ff57f1b0 PZ |
11894 | |
11895 | u32 power_well_driver; | |
11896 | ||
63b66e5b CW |
11897 | int num_transcoders; |
11898 | ||
c4a1d9e4 CW |
11899 | struct intel_cursor_error_state { |
11900 | u32 control; | |
11901 | u32 position; | |
11902 | u32 base; | |
11903 | u32 size; | |
52331309 | 11904 | } cursor[I915_MAX_PIPES]; |
c4a1d9e4 CW |
11905 | |
11906 | struct intel_pipe_error_state { | |
ddf9c536 | 11907 | bool power_domain_on; |
c4a1d9e4 | 11908 | u32 source; |
52331309 | 11909 | } pipe[I915_MAX_PIPES]; |
c4a1d9e4 CW |
11910 | |
11911 | struct intel_plane_error_state { | |
11912 | u32 control; | |
11913 | u32 stride; | |
11914 | u32 size; | |
11915 | u32 pos; | |
11916 | u32 addr; | |
11917 | u32 surface; | |
11918 | u32 tile_offset; | |
52331309 | 11919 | } plane[I915_MAX_PIPES]; |
63b66e5b CW |
11920 | |
11921 | struct intel_transcoder_error_state { | |
ddf9c536 | 11922 | bool power_domain_on; |
63b66e5b CW |
11923 | enum transcoder cpu_transcoder; |
11924 | ||
11925 | u32 conf; | |
11926 | ||
11927 | u32 htotal; | |
11928 | u32 hblank; | |
11929 | u32 hsync; | |
11930 | u32 vtotal; | |
11931 | u32 vblank; | |
11932 | u32 vsync; | |
11933 | } transcoder[4]; | |
c4a1d9e4 CW |
11934 | }; |
11935 | ||
11936 | struct intel_display_error_state * | |
11937 | intel_display_capture_error_state(struct drm_device *dev) | |
11938 | { | |
fbee40df | 11939 | struct drm_i915_private *dev_priv = dev->dev_private; |
c4a1d9e4 | 11940 | struct intel_display_error_state *error; |
63b66e5b CW |
11941 | int transcoders[] = { |
11942 | TRANSCODER_A, | |
11943 | TRANSCODER_B, | |
11944 | TRANSCODER_C, | |
11945 | TRANSCODER_EDP, | |
11946 | }; | |
c4a1d9e4 CW |
11947 | int i; |
11948 | ||
63b66e5b CW |
11949 | if (INTEL_INFO(dev)->num_pipes == 0) |
11950 | return NULL; | |
11951 | ||
9d1cb914 | 11952 | error = kzalloc(sizeof(*error), GFP_ATOMIC); |
c4a1d9e4 CW |
11953 | if (error == NULL) |
11954 | return NULL; | |
11955 | ||
190be112 | 11956 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
ff57f1b0 PZ |
11957 | error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER); |
11958 | ||
52331309 | 11959 | for_each_pipe(i) { |
ddf9c536 | 11960 | error->pipe[i].power_domain_on = |
da7e29bd ID |
11961 | intel_display_power_enabled_sw(dev_priv, |
11962 | POWER_DOMAIN_PIPE(i)); | |
ddf9c536 | 11963 | if (!error->pipe[i].power_domain_on) |
9d1cb914 PZ |
11964 | continue; |
11965 | ||
a18c4c3d PZ |
11966 | if (INTEL_INFO(dev)->gen <= 6 || IS_VALLEYVIEW(dev)) { |
11967 | error->cursor[i].control = I915_READ(CURCNTR(i)); | |
11968 | error->cursor[i].position = I915_READ(CURPOS(i)); | |
11969 | error->cursor[i].base = I915_READ(CURBASE(i)); | |
11970 | } else { | |
11971 | error->cursor[i].control = I915_READ(CURCNTR_IVB(i)); | |
11972 | error->cursor[i].position = I915_READ(CURPOS_IVB(i)); | |
11973 | error->cursor[i].base = I915_READ(CURBASE_IVB(i)); | |
11974 | } | |
c4a1d9e4 CW |
11975 | |
11976 | error->plane[i].control = I915_READ(DSPCNTR(i)); | |
11977 | error->plane[i].stride = I915_READ(DSPSTRIDE(i)); | |
80ca378b | 11978 | if (INTEL_INFO(dev)->gen <= 3) { |
51889b35 | 11979 | error->plane[i].size = I915_READ(DSPSIZE(i)); |
80ca378b PZ |
11980 | error->plane[i].pos = I915_READ(DSPPOS(i)); |
11981 | } | |
ca291363 PZ |
11982 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
11983 | error->plane[i].addr = I915_READ(DSPADDR(i)); | |
c4a1d9e4 CW |
11984 | if (INTEL_INFO(dev)->gen >= 4) { |
11985 | error->plane[i].surface = I915_READ(DSPSURF(i)); | |
11986 | error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i)); | |
11987 | } | |
11988 | ||
c4a1d9e4 | 11989 | error->pipe[i].source = I915_READ(PIPESRC(i)); |
63b66e5b CW |
11990 | } |
11991 | ||
11992 | error->num_transcoders = INTEL_INFO(dev)->num_pipes; | |
11993 | if (HAS_DDI(dev_priv->dev)) | |
11994 | error->num_transcoders++; /* Account for eDP. */ | |
11995 | ||
11996 | for (i = 0; i < error->num_transcoders; i++) { | |
11997 | enum transcoder cpu_transcoder = transcoders[i]; | |
11998 | ||
ddf9c536 | 11999 | error->transcoder[i].power_domain_on = |
da7e29bd | 12000 | intel_display_power_enabled_sw(dev_priv, |
38cc1daf | 12001 | POWER_DOMAIN_TRANSCODER(cpu_transcoder)); |
ddf9c536 | 12002 | if (!error->transcoder[i].power_domain_on) |
9d1cb914 PZ |
12003 | continue; |
12004 | ||
63b66e5b CW |
12005 | error->transcoder[i].cpu_transcoder = cpu_transcoder; |
12006 | ||
12007 | error->transcoder[i].conf = I915_READ(PIPECONF(cpu_transcoder)); | |
12008 | error->transcoder[i].htotal = I915_READ(HTOTAL(cpu_transcoder)); | |
12009 | error->transcoder[i].hblank = I915_READ(HBLANK(cpu_transcoder)); | |
12010 | error->transcoder[i].hsync = I915_READ(HSYNC(cpu_transcoder)); | |
12011 | error->transcoder[i].vtotal = I915_READ(VTOTAL(cpu_transcoder)); | |
12012 | error->transcoder[i].vblank = I915_READ(VBLANK(cpu_transcoder)); | |
12013 | error->transcoder[i].vsync = I915_READ(VSYNC(cpu_transcoder)); | |
c4a1d9e4 CW |
12014 | } |
12015 | ||
12016 | return error; | |
12017 | } | |
12018 | ||
edc3d884 MK |
12019 | #define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__) |
12020 | ||
c4a1d9e4 | 12021 | void |
edc3d884 | 12022 | intel_display_print_error_state(struct drm_i915_error_state_buf *m, |
c4a1d9e4 CW |
12023 | struct drm_device *dev, |
12024 | struct intel_display_error_state *error) | |
12025 | { | |
12026 | int i; | |
12027 | ||
63b66e5b CW |
12028 | if (!error) |
12029 | return; | |
12030 | ||
edc3d884 | 12031 | err_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes); |
190be112 | 12032 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
edc3d884 | 12033 | err_printf(m, "PWR_WELL_CTL2: %08x\n", |
ff57f1b0 | 12034 | error->power_well_driver); |
52331309 | 12035 | for_each_pipe(i) { |
edc3d884 | 12036 | err_printf(m, "Pipe [%d]:\n", i); |
ddf9c536 ID |
12037 | err_printf(m, " Power: %s\n", |
12038 | error->pipe[i].power_domain_on ? "on" : "off"); | |
edc3d884 | 12039 | err_printf(m, " SRC: %08x\n", error->pipe[i].source); |
edc3d884 MK |
12040 | |
12041 | err_printf(m, "Plane [%d]:\n", i); | |
12042 | err_printf(m, " CNTR: %08x\n", error->plane[i].control); | |
12043 | err_printf(m, " STRIDE: %08x\n", error->plane[i].stride); | |
80ca378b | 12044 | if (INTEL_INFO(dev)->gen <= 3) { |
edc3d884 MK |
12045 | err_printf(m, " SIZE: %08x\n", error->plane[i].size); |
12046 | err_printf(m, " POS: %08x\n", error->plane[i].pos); | |
80ca378b | 12047 | } |
4b71a570 | 12048 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
edc3d884 | 12049 | err_printf(m, " ADDR: %08x\n", error->plane[i].addr); |
c4a1d9e4 | 12050 | if (INTEL_INFO(dev)->gen >= 4) { |
edc3d884 MK |
12051 | err_printf(m, " SURF: %08x\n", error->plane[i].surface); |
12052 | err_printf(m, " TILEOFF: %08x\n", error->plane[i].tile_offset); | |
c4a1d9e4 CW |
12053 | } |
12054 | ||
edc3d884 MK |
12055 | err_printf(m, "Cursor [%d]:\n", i); |
12056 | err_printf(m, " CNTR: %08x\n", error->cursor[i].control); | |
12057 | err_printf(m, " POS: %08x\n", error->cursor[i].position); | |
12058 | err_printf(m, " BASE: %08x\n", error->cursor[i].base); | |
c4a1d9e4 | 12059 | } |
63b66e5b CW |
12060 | |
12061 | for (i = 0; i < error->num_transcoders; i++) { | |
1cf84bb6 | 12062 | err_printf(m, "CPU transcoder: %c\n", |
63b66e5b | 12063 | transcoder_name(error->transcoder[i].cpu_transcoder)); |
ddf9c536 ID |
12064 | err_printf(m, " Power: %s\n", |
12065 | error->transcoder[i].power_domain_on ? "on" : "off"); | |
63b66e5b CW |
12066 | err_printf(m, " CONF: %08x\n", error->transcoder[i].conf); |
12067 | err_printf(m, " HTOTAL: %08x\n", error->transcoder[i].htotal); | |
12068 | err_printf(m, " HBLANK: %08x\n", error->transcoder[i].hblank); | |
12069 | err_printf(m, " HSYNC: %08x\n", error->transcoder[i].hsync); | |
12070 | err_printf(m, " VTOTAL: %08x\n", error->transcoder[i].vtotal); | |
12071 | err_printf(m, " VBLANK: %08x\n", error->transcoder[i].vblank); | |
12072 | err_printf(m, " VSYNC: %08x\n", error->transcoder[i].vsync); | |
12073 | } | |
c4a1d9e4 | 12074 | } |