1 /*
2 * Copyright © 2006-2019 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 DEALINGS
21 * IN THE SOFTWARE.
22 *
23 */
24
25 #ifndef _INTEL_DISPLAY_H_
26 #define _INTEL_DISPLAY_H_
27
28 #include <drm/drm_util.h>
29
30 enum link_m_n_set;
31 enum drm_scaling_filter;
32 struct dpll;
33 struct drm_connector;
34 struct drm_device;
35 struct drm_display_mode;
36 struct drm_encoder;
37 struct drm_file;
38 struct drm_format_info;
39 struct drm_framebuffer;
40 struct drm_i915_gem_object;
41 struct drm_i915_private;
42 struct drm_mode_fb_cmd2;
43 struct drm_modeset_acquire_ctx;
44 struct drm_plane;
45 struct drm_plane_state;
46 struct i915_address_space;
47 struct i915_ggtt_view;
48 struct intel_atomic_state;
49 struct intel_crtc;
50 struct intel_crtc_state;
51 struct intel_digital_port;
52 struct intel_dp;
53 struct intel_encoder;
54 struct intel_initial_plane_config;
55 struct intel_load_detect_pipe;
56 struct intel_plane;
57 struct intel_plane_state;
58 struct intel_remapped_info;
59 struct intel_rotation_info;
60
61 enum i915_gpio {
62 GPIOA,
63 GPIOB,
64 GPIOC,
65 GPIOD,
66 GPIOE,
67 GPIOF,
68 GPIOG,
69 GPIOH,
70 __GPIOI_UNUSED,
71 GPIOJ,
72 GPIOK,
73 GPIOL,
74 GPIOM,
75 GPION,
76 GPIOO,
77 };
78
79 /*
80 * Keep the pipe enum values fixed: the code assumes that PIPE_A=0, the
81 * rest have consecutive values and match the enum values of transcoders
82 * with a 1:1 transcoder -> pipe mapping.
83 */
84 enum pipe {
85 INVALID_PIPE = -1,
86
87 PIPE_A = 0,
88 PIPE_B,
89 PIPE_C,
90 PIPE_D,
91 _PIPE_EDP,
92
93 I915_MAX_PIPES = _PIPE_EDP
94 };
95
96 #define pipe_name(p) ((p) + 'A')
97
98 enum transcoder {
99 INVALID_TRANSCODER = -1,
100 /*
101 * The following transcoders have a 1:1 transcoder -> pipe mapping,
102 * keep their values fixed: the code assumes that TRANSCODER_A=0, the
103 * rest have consecutive values and match the enum values of the pipes
104 * they map to.
105 */
106 TRANSCODER_A = PIPE_A,
107 TRANSCODER_B = PIPE_B,
108 TRANSCODER_C = PIPE_C,
109 TRANSCODER_D = PIPE_D,
110
111 /*
112 * The following transcoders can map to any pipe, their enum value
113 * doesn't need to stay fixed.
114 */
115 TRANSCODER_EDP,
116 TRANSCODER_DSI_0,
117 TRANSCODER_DSI_1,
118 TRANSCODER_DSI_A = TRANSCODER_DSI_0, /* legacy DSI */
119 TRANSCODER_DSI_C = TRANSCODER_DSI_1, /* legacy DSI */
120
121 I915_MAX_TRANSCODERS
122 };
123
transcoder_name(enum transcoder transcoder)124 static inline const char *transcoder_name(enum transcoder transcoder)
125 {
126 switch (transcoder) {
127 case TRANSCODER_A:
128 return "A";
129 case TRANSCODER_B:
130 return "B";
131 case TRANSCODER_C:
132 return "C";
133 case TRANSCODER_D:
134 return "D";
135 case TRANSCODER_EDP:
136 return "EDP";
137 case TRANSCODER_DSI_A:
138 return "DSI A";
139 case TRANSCODER_DSI_C:
140 return "DSI C";
141 default:
142 return "<invalid>";
143 }
144 }
145
transcoder_is_dsi(enum transcoder transcoder)146 static inline bool transcoder_is_dsi(enum transcoder transcoder)
147 {
148 return transcoder == TRANSCODER_DSI_A || transcoder == TRANSCODER_DSI_C;
149 }
150
151 /*
152 * Global legacy plane identifier. Valid only for primary/sprite
153 * planes on pre-g4x, and only for primary planes on g4x-bdw.
154 */
155 enum i9xx_plane_id {
156 PLANE_A,
157 PLANE_B,
158 PLANE_C,
159 };
160
161 #define plane_name(p) ((p) + 'A')
162 #define sprite_name(p, s) ((p) * RUNTIME_INFO(dev_priv)->num_sprites[(p)] + (s) + 'A')
163
164 /*
165 * Per-pipe plane identifier.
166 * I915_MAX_PLANES in the enum below is the maximum (across all platforms)
167 * number of planes per CRTC. Not all platforms really have this many planes,
168 * which means some arrays of size I915_MAX_PLANES may have unused entries
169 * between the topmost sprite plane and the cursor plane.
170 *
171 * This is expected to be passed to various register macros
172 * (eg. PLANE_CTL(), PS_PLANE_SEL(), etc.) so adjust with care.
173 */
174 enum plane_id {
175 PLANE_PRIMARY,
176 PLANE_SPRITE0,
177 PLANE_SPRITE1,
178 PLANE_SPRITE2,
179 PLANE_SPRITE3,
180 PLANE_SPRITE4,
181 PLANE_SPRITE5,
182 PLANE_CURSOR,
183
184 I915_MAX_PLANES,
185 };
186
187 #define for_each_plane_id_on_crtc(__crtc, __p) \
188 for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \
189 for_each_if((__crtc)->plane_ids_mask & BIT(__p))
190
191 #define for_each_dbuf_slice(__dev_priv, __slice) \
192 for ((__slice) = DBUF_S1; (__slice) < I915_MAX_DBUF_SLICES; (__slice)++) \
193 for_each_if(INTEL_INFO(__dev_priv)->dbuf.slice_mask & BIT(__slice))
194
195 #define for_each_dbuf_slice_in_mask(__dev_priv, __slice, __mask) \
196 for_each_dbuf_slice((__dev_priv), (__slice)) \
197 for_each_if((__mask) & BIT(__slice))
198
199 enum port {
200 PORT_NONE = -1,
201
202 PORT_A = 0,
203 PORT_B,
204 PORT_C,
205 PORT_D,
206 PORT_E,
207 PORT_F,
208 PORT_G,
209 PORT_H,
210 PORT_I,
211
212 /* tgl+ */
213 PORT_TC1 = PORT_D,
214 PORT_TC2,
215 PORT_TC3,
216 PORT_TC4,
217 PORT_TC5,
218 PORT_TC6,
219
220 /* XE_LPD repositions D/E offsets and bitfields */
221 PORT_D_XELPD = PORT_TC5,
222 PORT_E_XELPD,
223
224 I915_MAX_PORTS
225 };
226
227 #define port_name(p) ((p) + 'A')
228
229 /*
230 * Ports identifier referenced from other drivers.
231 * Expected to remain stable over time
232 */
port_identifier(enum port port)233 static inline const char *port_identifier(enum port port)
234 {
235 switch (port) {
236 case PORT_A:
237 return "Port A";
238 case PORT_B:
239 return "Port B";
240 case PORT_C:
241 return "Port C";
242 case PORT_D:
243 return "Port D";
244 case PORT_E:
245 return "Port E";
246 case PORT_F:
247 return "Port F";
248 case PORT_G:
249 return "Port G";
250 case PORT_H:
251 return "Port H";
252 case PORT_I:
253 return "Port I";
254 default:
255 return "<invalid>";
256 }
257 }
258
259 enum tc_port {
260 TC_PORT_NONE = -1,
261
262 TC_PORT_1 = 0,
263 TC_PORT_2,
264 TC_PORT_3,
265 TC_PORT_4,
266 TC_PORT_5,
267 TC_PORT_6,
268
269 I915_MAX_TC_PORTS
270 };
271
272 enum tc_port_mode {
273 TC_PORT_TBT_ALT,
274 TC_PORT_DP_ALT,
275 TC_PORT_LEGACY,
276 };
277
278 enum dpio_channel {
279 DPIO_CH0,
280 DPIO_CH1
281 };
282
283 enum dpio_phy {
284 DPIO_PHY0,
285 DPIO_PHY1,
286 DPIO_PHY2,
287 };
288
289 enum aux_ch {
290 AUX_CH_A,
291 AUX_CH_B,
292 AUX_CH_C,
293 AUX_CH_D,
294 AUX_CH_E, /* ICL+ */
295 AUX_CH_F,
296 AUX_CH_G,
297 AUX_CH_H,
298 AUX_CH_I,
299
300 /* tgl+ */
301 AUX_CH_USBC1 = AUX_CH_D,
302 AUX_CH_USBC2,
303 AUX_CH_USBC3,
304 AUX_CH_USBC4,
305 AUX_CH_USBC5,
306 AUX_CH_USBC6,
307
308 /* XE_LPD repositions D/E offsets and bitfields */
309 AUX_CH_D_XELPD = AUX_CH_USBC5,
310 AUX_CH_E_XELPD,
311 };
312
313 #define aux_ch_name(a) ((a) + 'A')
314
315 /* Used by dp and fdi links */
316 struct intel_link_m_n {
317 u32 tu;
318 u32 gmch_m;
319 u32 gmch_n;
320 u32 link_m;
321 u32 link_n;
322 };
323
324 enum phy {
325 PHY_NONE = -1,
326
327 PHY_A = 0,
328 PHY_B,
329 PHY_C,
330 PHY_D,
331 PHY_E,
332 PHY_F,
333 PHY_G,
334 PHY_H,
335 PHY_I,
336
337 I915_MAX_PHYS
338 };
339
340 #define phy_name(a) ((a) + 'A')
341
342 enum phy_fia {
343 FIA1,
344 FIA2,
345 FIA3,
346 };
347
348 #define for_each_pipe(__dev_priv, __p) \
349 for ((__p) = 0; (__p) < I915_MAX_PIPES; (__p)++) \
350 for_each_if(INTEL_INFO(__dev_priv)->pipe_mask & BIT(__p))
351
352 #define for_each_pipe_masked(__dev_priv, __p, __mask) \
353 for_each_pipe(__dev_priv, __p) \
354 for_each_if((__mask) & BIT(__p))
355
356 #define for_each_cpu_transcoder(__dev_priv, __t) \
357 for ((__t) = 0; (__t) < I915_MAX_TRANSCODERS; (__t)++) \
358 for_each_if (INTEL_INFO(__dev_priv)->cpu_transcoder_mask & BIT(__t))
359
360 #define for_each_cpu_transcoder_masked(__dev_priv, __t, __mask) \
361 for_each_cpu_transcoder(__dev_priv, __t) \
362 for_each_if ((__mask) & BIT(__t))
363
364 #define for_each_sprite(__dev_priv, __p, __s) \
365 for ((__s) = 0; \
366 (__s) < RUNTIME_INFO(__dev_priv)->num_sprites[(__p)]; \
367 (__s)++)
368
369 #define for_each_port(__port) \
370 for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++)
371
372 #define for_each_port_masked(__port, __ports_mask) \
373 for_each_port(__port) \
374 for_each_if((__ports_mask) & BIT(__port))
375
376 #define for_each_phy_masked(__phy, __phys_mask) \
377 for ((__phy) = PHY_A; (__phy) < I915_MAX_PHYS; (__phy)++) \
378 for_each_if((__phys_mask) & BIT(__phy))
379
380 #define for_each_crtc(dev, crtc) \
381 list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head)
382
383 #define for_each_intel_plane(dev, intel_plane) \
384 list_for_each_entry(intel_plane, \
385 &(dev)->mode_config.plane_list, \
386 base.head)
387
388 #define for_each_intel_plane_mask(dev, intel_plane, plane_mask) \
389 list_for_each_entry(intel_plane, \
390 &(dev)->mode_config.plane_list, \
391 base.head) \
392 for_each_if((plane_mask) & \
393 drm_plane_mask(&intel_plane->base))
394
395 #define for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) \
396 list_for_each_entry(intel_plane, \
397 &(dev)->mode_config.plane_list, \
398 base.head) \
399 for_each_if((intel_plane)->pipe == (intel_crtc)->pipe)
400
401 #define for_each_intel_crtc(dev, intel_crtc) \
402 list_for_each_entry(intel_crtc, \
403 &(dev)->mode_config.crtc_list, \
404 base.head)
405
406 #define for_each_intel_crtc_mask(dev, intel_crtc, crtc_mask) \
407 list_for_each_entry(intel_crtc, \
408 &(dev)->mode_config.crtc_list, \
409 base.head) \
410 for_each_if((crtc_mask) & drm_crtc_mask(&intel_crtc->base))
411
412 #define for_each_intel_encoder(dev, intel_encoder) \
413 list_for_each_entry(intel_encoder, \
414 &(dev)->mode_config.encoder_list, \
415 base.head)
416
417 #define for_each_intel_encoder_mask(dev, intel_encoder, encoder_mask) \
418 list_for_each_entry(intel_encoder, \
419 &(dev)->mode_config.encoder_list, \
420 base.head) \
421 for_each_if((encoder_mask) & \
422 drm_encoder_mask(&intel_encoder->base))
423
424 #define for_each_intel_encoder_mask_with_psr(dev, intel_encoder, encoder_mask) \
425 list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
426 for_each_if(((encoder_mask) & drm_encoder_mask(&(intel_encoder)->base)) && \
427 intel_encoder_can_psr(intel_encoder))
428
429 #define for_each_intel_dp(dev, intel_encoder) \
430 for_each_intel_encoder(dev, intel_encoder) \
431 for_each_if(intel_encoder_is_dp(intel_encoder))
432
433 #define for_each_intel_encoder_with_psr(dev, intel_encoder) \
434 for_each_intel_encoder((dev), (intel_encoder)) \
435 for_each_if(intel_encoder_can_psr(intel_encoder))
436
437 #define for_each_intel_connector_iter(intel_connector, iter) \
438 while ((intel_connector = to_intel_connector(drm_connector_list_iter_next(iter))))
439
440 #define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \
441 list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
442 for_each_if((intel_encoder)->base.crtc == (__crtc))
443
444 #define for_each_connector_on_encoder(dev, __encoder, intel_connector) \
445 list_for_each_entry((intel_connector), &(dev)->mode_config.connector_list, base.head) \
446 for_each_if((intel_connector)->base.encoder == (__encoder))
447
448 #define for_each_old_intel_plane_in_state(__state, plane, old_plane_state, __i) \
449 for ((__i) = 0; \
450 (__i) < (__state)->base.dev->mode_config.num_total_plane && \
451 ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \
452 (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), 1); \
453 (__i)++) \
454 for_each_if(plane)
455
456 #define for_each_new_intel_plane_in_state(__state, plane, new_plane_state, __i) \
457 for ((__i) = 0; \
458 (__i) < (__state)->base.dev->mode_config.num_total_plane && \
459 ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \
460 (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \
461 (__i)++) \
462 for_each_if(plane)
463
464 #define for_each_new_intel_crtc_in_state(__state, crtc, new_crtc_state, __i) \
465 for ((__i) = 0; \
466 (__i) < (__state)->base.dev->mode_config.num_crtc && \
467 ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \
468 (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \
469 (__i)++) \
470 for_each_if(crtc)
471
472 #define for_each_oldnew_intel_plane_in_state(__state, plane, old_plane_state, new_plane_state, __i) \
473 for ((__i) = 0; \
474 (__i) < (__state)->base.dev->mode_config.num_total_plane && \
475 ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \
476 (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), \
477 (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \
478 (__i)++) \
479 for_each_if(plane)
480
481 #define for_each_oldnew_intel_crtc_in_state(__state, crtc, old_crtc_state, new_crtc_state, __i) \
482 for ((__i) = 0; \
483 (__i) < (__state)->base.dev->mode_config.num_crtc && \
484 ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \
485 (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \
486 (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \
487 (__i)++) \
488 for_each_if(crtc)
489
490 #define for_each_oldnew_intel_crtc_in_state_reverse(__state, crtc, old_crtc_state, new_crtc_state, __i) \
491 for ((__i) = (__state)->base.dev->mode_config.num_crtc - 1; \
492 (__i) >= 0 && \
493 ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \
494 (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \
495 (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \
496 (__i)--) \
497 for_each_if(crtc)
498
499 #define intel_atomic_crtc_state_for_each_plane_state( \
500 plane, plane_state, \
501 crtc_state) \
502 for_each_intel_plane_mask(((crtc_state)->uapi.state->dev), (plane), \
503 ((crtc_state)->uapi.plane_mask)) \
504 for_each_if ((plane_state = \
505 to_intel_plane_state(__drm_atomic_get_current_plane_state((crtc_state)->uapi.state, &plane->base))))
506
507 #define for_each_new_intel_connector_in_state(__state, connector, new_connector_state, __i) \
508 for ((__i) = 0; \
509 (__i) < (__state)->base.num_connector; \
510 (__i)++) \
511 for_each_if ((__state)->base.connectors[__i].ptr && \
512 ((connector) = to_intel_connector((__state)->base.connectors[__i].ptr), \
513 (new_connector_state) = to_intel_digital_connector_state((__state)->base.connectors[__i].new_state), 1))
514
515 int intel_atomic_add_affected_planes(struct intel_atomic_state *state,
516 struct intel_crtc *crtc);
517 u8 intel_calc_active_pipes(struct intel_atomic_state *state,
518 u8 active_pipes);
519 void intel_link_compute_m_n(u16 bpp, int nlanes,
520 int pixel_clock, int link_clock,
521 struct intel_link_m_n *m_n,
522 bool constant_n, bool fec_enable);
523 void lpt_disable_clkout_dp(struct drm_i915_private *dev_priv);
524 u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv,
525 u32 pixel_format, u64 modifier);
526 enum drm_mode_status
527 intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv,
528 const struct drm_display_mode *mode,
529 bool bigjoiner);
530 enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port);
531 bool is_trans_port_sync_mode(const struct intel_crtc_state *state);
532
533 void intel_plane_destroy(struct drm_plane *plane);
534 void intel_enable_pipe(const struct intel_crtc_state *new_crtc_state);
535 void intel_disable_pipe(const struct intel_crtc_state *old_crtc_state);
536 void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe);
537 void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe);
538 enum pipe intel_crtc_pch_transcoder(struct intel_crtc *crtc);
539 int vlv_get_hpll_vco(struct drm_i915_private *dev_priv);
540 int vlv_get_cck_clock(struct drm_i915_private *dev_priv,
541 const char *name, u32 reg, int ref_freq);
542 int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv,
543 const char *name, u32 reg);
544 void lpt_pch_enable(const struct intel_crtc_state *crtc_state);
545 void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv);
546 void lpt_disable_iclkip(struct drm_i915_private *dev_priv);
547 void intel_init_display_hooks(struct drm_i915_private *dev_priv);
548 unsigned int intel_fb_xy_to_linear(int x, int y,
549 const struct intel_plane_state *state,
550 int plane);
551 unsigned int intel_fb_align_height(const struct drm_framebuffer *fb,
552 int color_plane, unsigned int height);
553 void intel_add_fb_offsets(int *x, int *y,
554 const struct intel_plane_state *state, int plane);
555 unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info);
556 unsigned int intel_remapped_info_size(const struct intel_remapped_info *rem_info);
557 bool intel_has_pending_fb_unpin(struct drm_i915_private *dev_priv);
558 int intel_display_suspend(struct drm_device *dev);
559 void intel_encoder_destroy(struct drm_encoder *encoder);
560 struct drm_display_mode *
561 intel_encoder_current_mode(struct intel_encoder *encoder);
562 bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy);
563 bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy);
564 bool intel_phy_is_snps(struct drm_i915_private *dev_priv, enum phy phy);
565 enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv,
566 enum port port);
567 int intel_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data,
568 struct drm_file *file_priv);
569
570 int ilk_get_lanes_required(int target_clock, int link_bw, int bpp);
571 void vlv_wait_port_ready(struct drm_i915_private *dev_priv,
572 struct intel_digital_port *dig_port,
573 unsigned int expected_mask);
574 int intel_get_load_detect_pipe(struct drm_connector *connector,
575 struct intel_load_detect_pipe *old,
576 struct drm_modeset_acquire_ctx *ctx);
577 void intel_release_load_detect_pipe(struct drm_connector *connector,
578 struct intel_load_detect_pipe *old,
579 struct drm_modeset_acquire_ctx *ctx);
580 struct i915_vma *
581 intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb, bool phys_cursor,
582 const struct i915_ggtt_view *view,
583 bool uses_fence,
584 unsigned long *out_flags);
585 void intel_unpin_fb_vma(struct i915_vma *vma, unsigned long flags);
586 struct drm_framebuffer *
587 intel_framebuffer_create(struct drm_i915_gem_object *obj,
588 struct drm_mode_fb_cmd2 *mode_cmd);
589 int intel_prepare_plane_fb(struct drm_plane *plane,
590 struct drm_plane_state *new_state);
591 void intel_cleanup_plane_fb(struct drm_plane *plane,
592 struct drm_plane_state *old_state);
593
594 void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv,
595 enum pipe pipe);
596
597 int lpt_get_iclkip(struct drm_i915_private *dev_priv);
598 bool intel_fuzzy_clock_check(int clock1, int clock2);
599
600 void intel_display_prepare_reset(struct drm_i915_private *dev_priv);
601 void intel_display_finish_reset(struct drm_i915_private *dev_priv);
602 void intel_dp_get_m_n(struct intel_crtc *crtc,
603 struct intel_crtc_state *pipe_config);
604 void intel_dp_set_m_n(const struct intel_crtc_state *crtc_state,
605 enum link_m_n_set m_n);
606 int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n);
607
608 bool hsw_crtc_state_ips_capable(const struct intel_crtc_state *crtc_state);
609 void hsw_enable_ips(const struct intel_crtc_state *crtc_state);
610 void hsw_disable_ips(const struct intel_crtc_state *crtc_state);
611 enum intel_display_power_domain intel_port_to_power_domain(enum port port);
612 enum intel_display_power_domain
613 intel_aux_power_domain(struct intel_digital_port *dig_port);
614 enum intel_display_power_domain
615 intel_legacy_aux_to_power_domain(enum aux_ch aux_ch);
616 void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc,
617 struct intel_crtc_state *crtc_state);
618 void ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state);
619
620 int bdw_get_pipemisc_bpp(struct intel_crtc *crtc);
621 unsigned int intel_plane_fence_y_offset(const struct intel_plane_state *plane_state);
622
623 bool
624 intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info,
625 u64 modifier);
626
627 int intel_plane_pin_fb(struct intel_plane_state *plane_state);
628 void intel_plane_unpin_fb(struct intel_plane_state *old_plane_state);
629 struct intel_encoder *
630 intel_get_crtc_new_encoder(const struct intel_atomic_state *state,
631 const struct intel_crtc_state *crtc_state);
632 void intel_plane_disable_noatomic(struct intel_crtc *crtc,
633 struct intel_plane *plane);
634
635 unsigned int intel_surf_alignment(const struct drm_framebuffer *fb,
636 int color_plane);
637 unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane);
638
639 void intel_display_driver_register(struct drm_i915_private *i915);
640 void intel_display_driver_unregister(struct drm_i915_private *i915);
641
642 /* modesetting */
643 void intel_modeset_init_hw(struct drm_i915_private *i915);
644 int intel_modeset_init_noirq(struct drm_i915_private *i915);
645 int intel_modeset_init_nogem(struct drm_i915_private *i915);
646 int intel_modeset_init(struct drm_i915_private *i915);
647 void intel_modeset_driver_remove(struct drm_i915_private *i915);
648 void intel_modeset_driver_remove_noirq(struct drm_i915_private *i915);
649 void intel_modeset_driver_remove_nogem(struct drm_i915_private *i915);
650 void intel_display_resume(struct drm_device *dev);
651 void intel_init_pch_refclk(struct drm_i915_private *dev_priv);
652 int intel_modeset_all_pipes(struct intel_atomic_state *state);
653
654 /* modesetting asserts */
655 void assert_panel_unlocked(struct drm_i915_private *dev_priv,
656 enum pipe pipe);
657 void assert_pll(struct drm_i915_private *dev_priv,
658 enum pipe pipe, bool state);
659 #define assert_pll_enabled(d, p) assert_pll(d, p, true)
660 #define assert_pll_disabled(d, p) assert_pll(d, p, false)
661 void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state);
662 #define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true)
663 #define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false)
664 void assert_fdi_rx_pll(struct drm_i915_private *dev_priv,
665 enum pipe pipe, bool state);
666 #define assert_fdi_rx_pll_enabled(d, p) assert_fdi_rx_pll(d, p, true)
667 #define assert_fdi_rx_pll_disabled(d, p) assert_fdi_rx_pll(d, p, false)
668 void assert_pipe(struct drm_i915_private *dev_priv,
669 enum transcoder cpu_transcoder, bool state);
670 #define assert_pipe_enabled(d, t) assert_pipe(d, t, true)
671 #define assert_pipe_disabled(d, t) assert_pipe(d, t, false)
672
673 /* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (rather than WARN() and
674 * WARN_ON()) for hw state sanity checks to check for unexpected conditions
675 * which may not necessarily be a user visible problem. This will either
676 * WARN() or DRM_ERROR() depending on the verbose_checks moduleparam, to
677 * enable distros and users to tailor their preferred amount of i915 abrt
678 * spam.
679 */
680 #define I915_STATE_WARN(condition, format...) ({ \
681 int __ret_warn_on = !!(condition); \
682 if (unlikely(__ret_warn_on)) \
683 if (!WARN(i915_modparams.verbose_state_checks, format)) \
684 DRM_ERROR(format); \
685 unlikely(__ret_warn_on); \
686 })
687
688 #define I915_STATE_WARN_ON(x) \
689 I915_STATE_WARN((x), "%s", "WARN_ON(" __stringify(x) ")")
690
691 #endif
692