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32#include <drm/drm_atomic.h>
33#include <drm/drm_atomic_helper.h>
34#include <drm/drm_fourcc.h>
35#include <drm/drm_plane_helper.h>
36
37#include "i915_drv.h"
38#include "i915_reg.h"
39#include "intel_atomic.h"
40#include "intel_cdclk.h"
41#include "intel_display_types.h"
42#include "intel_global_state.h"
43#include "intel_hdcp.h"
44#include "intel_psr.h"
45#include "skl_universal_plane.h"
46
47
48
49
50
51
52
53
54
55
56int intel_digital_connector_atomic_get_property(struct drm_connector *connector,
57 const struct drm_connector_state *state,
58 struct drm_property *property,
59 u64 *val)
60{
61 struct drm_device *dev = connector->dev;
62 struct drm_i915_private *dev_priv = to_i915(dev);
63 struct intel_digital_connector_state *intel_conn_state =
64 to_intel_digital_connector_state(state);
65
66 if (property == dev_priv->force_audio_property)
67 *val = intel_conn_state->force_audio;
68 else if (property == dev_priv->broadcast_rgb_property)
69 *val = intel_conn_state->broadcast_rgb;
70 else {
71 drm_dbg_atomic(&dev_priv->drm,
72 "Unknown property [PROP:%d:%s]\n",
73 property->base.id, property->name);
74 return -EINVAL;
75 }
76
77 return 0;
78}
79
80
81
82
83
84
85
86
87
88
89int intel_digital_connector_atomic_set_property(struct drm_connector *connector,
90 struct drm_connector_state *state,
91 struct drm_property *property,
92 u64 val)
93{
94 struct drm_device *dev = connector->dev;
95 struct drm_i915_private *dev_priv = to_i915(dev);
96 struct intel_digital_connector_state *intel_conn_state =
97 to_intel_digital_connector_state(state);
98
99 if (property == dev_priv->force_audio_property) {
100 intel_conn_state->force_audio = val;
101 return 0;
102 }
103
104 if (property == dev_priv->broadcast_rgb_property) {
105 intel_conn_state->broadcast_rgb = val;
106 return 0;
107 }
108
109 drm_dbg_atomic(&dev_priv->drm, "Unknown property [PROP:%d:%s]\n",
110 property->base.id, property->name);
111 return -EINVAL;
112}
113
114int intel_digital_connector_atomic_check(struct drm_connector *conn,
115 struct drm_atomic_state *state)
116{
117 struct drm_connector_state *new_state =
118 drm_atomic_get_new_connector_state(state, conn);
119 struct intel_digital_connector_state *new_conn_state =
120 to_intel_digital_connector_state(new_state);
121 struct drm_connector_state *old_state =
122 drm_atomic_get_old_connector_state(state, conn);
123 struct intel_digital_connector_state *old_conn_state =
124 to_intel_digital_connector_state(old_state);
125 struct drm_crtc_state *crtc_state;
126
127 intel_hdcp_atomic_check(conn, old_state, new_state);
128
129 if (!new_state->crtc)
130 return 0;
131
132 crtc_state = drm_atomic_get_new_crtc_state(state, new_state->crtc);
133
134
135
136
137
138 if (new_conn_state->force_audio != old_conn_state->force_audio ||
139 new_conn_state->broadcast_rgb != old_conn_state->broadcast_rgb ||
140 new_conn_state->base.colorspace != old_conn_state->base.colorspace ||
141 new_conn_state->base.picture_aspect_ratio != old_conn_state->base.picture_aspect_ratio ||
142 new_conn_state->base.content_type != old_conn_state->base.content_type ||
143 new_conn_state->base.scaling_mode != old_conn_state->base.scaling_mode ||
144 new_conn_state->base.privacy_screen_sw_state != old_conn_state->base.privacy_screen_sw_state ||
145 !drm_connector_atomic_hdr_metadata_equal(old_state, new_state))
146 crtc_state->mode_changed = true;
147
148 return 0;
149}
150
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158
159
160struct drm_connector_state *
161intel_digital_connector_duplicate_state(struct drm_connector *connector)
162{
163 struct intel_digital_connector_state *state;
164
165 state = kmemdup(connector->state, sizeof(*state), GFP_KERNEL);
166 if (!state)
167 return NULL;
168
169 __drm_atomic_helper_connector_duplicate_state(connector, &state->base);
170 return &state->base;
171}
172
173
174
175
176
177
178bool
179intel_connector_needs_modeset(struct intel_atomic_state *state,
180 struct drm_connector *connector)
181{
182 const struct drm_connector_state *old_conn_state, *new_conn_state;
183
184 old_conn_state = drm_atomic_get_old_connector_state(&state->base, connector);
185 new_conn_state = drm_atomic_get_new_connector_state(&state->base, connector);
186
187 return old_conn_state->crtc != new_conn_state->crtc ||
188 (new_conn_state->crtc &&
189 drm_atomic_crtc_needs_modeset(drm_atomic_get_new_crtc_state(&state->base,
190 new_conn_state->crtc)));
191}
192
193
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196
197
198
199bool intel_any_crtc_needs_modeset(struct intel_atomic_state *state)
200{
201 struct intel_crtc *crtc;
202 struct intel_crtc_state *crtc_state;
203 int i;
204
205 for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
206 if (intel_crtc_needs_modeset(crtc_state))
207 return true;
208 }
209
210 return false;
211}
212
213struct intel_digital_connector_state *
214intel_atomic_get_digital_connector_state(struct intel_atomic_state *state,
215 struct intel_connector *connector)
216{
217 struct drm_connector_state *conn_state;
218
219 conn_state = drm_atomic_get_connector_state(&state->base,
220 &connector->base);
221 if (IS_ERR(conn_state))
222 return ERR_CAST(conn_state);
223
224 return to_intel_digital_connector_state(conn_state);
225}
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234
235
236struct drm_crtc_state *
237intel_crtc_duplicate_state(struct drm_crtc *crtc)
238{
239 const struct intel_crtc_state *old_crtc_state = to_intel_crtc_state(crtc->state);
240 struct intel_crtc_state *crtc_state;
241
242 crtc_state = kmemdup(old_crtc_state, sizeof(*crtc_state), GFP_KERNEL);
243 if (!crtc_state)
244 return NULL;
245
246 __drm_atomic_helper_crtc_duplicate_state(crtc, &crtc_state->uapi);
247
248
249 if (crtc_state->hw.degamma_lut)
250 drm_property_blob_get(crtc_state->hw.degamma_lut);
251 if (crtc_state->hw.ctm)
252 drm_property_blob_get(crtc_state->hw.ctm);
253 if (crtc_state->hw.gamma_lut)
254 drm_property_blob_get(crtc_state->hw.gamma_lut);
255
256 crtc_state->update_pipe = false;
257 crtc_state->disable_lp_wm = false;
258 crtc_state->disable_cxsr = false;
259 crtc_state->update_wm_pre = false;
260 crtc_state->update_wm_post = false;
261 crtc_state->fifo_changed = false;
262 crtc_state->preload_luts = false;
263 crtc_state->inherited = false;
264 crtc_state->wm.need_postvbl_update = false;
265 crtc_state->do_async_flip = false;
266 crtc_state->fb_bits = 0;
267 crtc_state->update_planes = 0;
268 crtc_state->dsb = NULL;
269
270 return &crtc_state->uapi;
271}
272
273static void intel_crtc_put_color_blobs(struct intel_crtc_state *crtc_state)
274{
275 drm_property_blob_put(crtc_state->hw.degamma_lut);
276 drm_property_blob_put(crtc_state->hw.gamma_lut);
277 drm_property_blob_put(crtc_state->hw.ctm);
278}
279
280void intel_crtc_free_hw_state(struct intel_crtc_state *crtc_state)
281{
282 intel_crtc_put_color_blobs(crtc_state);
283}
284
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291
292
293void
294intel_crtc_destroy_state(struct drm_crtc *crtc,
295 struct drm_crtc_state *state)
296{
297 struct intel_crtc_state *crtc_state = to_intel_crtc_state(state);
298
299 drm_WARN_ON(crtc->dev, crtc_state->dsb);
300
301 __drm_atomic_helper_crtc_destroy_state(&crtc_state->uapi);
302 intel_crtc_free_hw_state(crtc_state);
303 kfree(crtc_state);
304}
305
306static void intel_atomic_setup_scaler(struct intel_crtc_scaler_state *scaler_state,
307 int num_scalers_need, struct intel_crtc *intel_crtc,
308 const char *name, int idx,
309 struct intel_plane_state *plane_state,
310 int *scaler_id)
311{
312 struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
313 int j;
314 u32 mode;
315
316 if (*scaler_id < 0) {
317
318 for (j = 0; j < intel_crtc->num_scalers; j++) {
319 if (scaler_state->scalers[j].in_use)
320 continue;
321
322 *scaler_id = j;
323 scaler_state->scalers[*scaler_id].in_use = 1;
324 break;
325 }
326 }
327
328 if (drm_WARN(&dev_priv->drm, *scaler_id < 0,
329 "Cannot find scaler for %s:%d\n", name, idx))
330 return;
331
332
333 if (plane_state && plane_state->hw.fb &&
334 plane_state->hw.fb->format->is_yuv &&
335 plane_state->hw.fb->format->num_planes > 1) {
336 struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
337 if (DISPLAY_VER(dev_priv) == 9) {
338 mode = SKL_PS_SCALER_MODE_NV12;
339 } else if (icl_is_hdr_plane(dev_priv, plane->id)) {
340
341
342
343
344
345 mode = PS_SCALER_MODE_NORMAL;
346 } else {
347 struct intel_plane *linked =
348 plane_state->planar_linked_plane;
349
350 mode = PS_SCALER_MODE_PLANAR;
351
352 if (linked)
353 mode |= PS_PLANE_Y_SEL(linked->id);
354 }
355 } else if (DISPLAY_VER(dev_priv) >= 10) {
356 mode = PS_SCALER_MODE_NORMAL;
357 } else if (num_scalers_need == 1 && intel_crtc->num_scalers > 1) {
358
359
360
361
362
363 scaler_state->scalers[*scaler_id].in_use = 0;
364 *scaler_id = 0;
365 scaler_state->scalers[0].in_use = 1;
366 mode = SKL_PS_SCALER_MODE_HQ;
367 } else {
368 mode = SKL_PS_SCALER_MODE_DYN;
369 }
370
371 drm_dbg_kms(&dev_priv->drm, "Attached scaler id %u.%u to %s:%d\n",
372 intel_crtc->pipe, *scaler_id, name, idx);
373 scaler_state->scalers[*scaler_id].mode = mode;
374}
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391
392
393int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv,
394 struct intel_crtc *intel_crtc,
395 struct intel_crtc_state *crtc_state)
396{
397 struct drm_plane *plane = NULL;
398 struct intel_plane *intel_plane;
399 struct intel_plane_state *plane_state = NULL;
400 struct intel_crtc_scaler_state *scaler_state =
401 &crtc_state->scaler_state;
402 struct drm_atomic_state *drm_state = crtc_state->uapi.state;
403 struct intel_atomic_state *intel_state = to_intel_atomic_state(drm_state);
404 int num_scalers_need;
405 int i;
406
407 num_scalers_need = hweight32(scaler_state->scaler_users);
408
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419
420
421
422 if (num_scalers_need > intel_crtc->num_scalers){
423 drm_dbg_kms(&dev_priv->drm,
424 "Too many scaling requests %d > %d\n",
425 num_scalers_need, intel_crtc->num_scalers);
426 return -EINVAL;
427 }
428
429
430 for (i = 0; i < sizeof(scaler_state->scaler_users) * 8; i++) {
431 int *scaler_id;
432 const char *name;
433 int idx;
434
435
436 if (!(scaler_state->scaler_users & (1 << i)))
437 continue;
438
439 if (i == SKL_CRTC_INDEX) {
440 name = "CRTC";
441 idx = intel_crtc->base.base.id;
442
443
444 scaler_id = &scaler_state->scaler_id;
445 } else {
446 name = "PLANE";
447
448
449
450 plane = drm_state->planes[i].ptr;
451
452
453
454
455
456 if (!plane) {
457 struct drm_plane_state *state;
458
459
460
461
462
463
464 if (DISPLAY_VER(dev_priv) >= 10)
465 continue;
466
467 plane = drm_plane_from_index(&dev_priv->drm, i);
468 state = drm_atomic_get_plane_state(drm_state, plane);
469 if (IS_ERR(state)) {
470 drm_dbg_kms(&dev_priv->drm,
471 "Failed to add [PLANE:%d] to drm_state\n",
472 plane->base.id);
473 return PTR_ERR(state);
474 }
475 }
476
477 intel_plane = to_intel_plane(plane);
478 idx = plane->base.id;
479
480
481 if (drm_WARN_ON(&dev_priv->drm,
482 intel_plane->pipe != intel_crtc->pipe))
483 continue;
484
485 plane_state = intel_atomic_get_new_plane_state(intel_state,
486 intel_plane);
487 scaler_id = &plane_state->scaler_id;
488 }
489
490 intel_atomic_setup_scaler(scaler_state, num_scalers_need,
491 intel_crtc, name, idx,
492 plane_state, scaler_id);
493 }
494
495 return 0;
496}
497
498struct drm_atomic_state *
499intel_atomic_state_alloc(struct drm_device *dev)
500{
501 struct intel_atomic_state *state = kzalloc(sizeof(*state), GFP_KERNEL);
502
503 if (!state || drm_atomic_state_init(dev, &state->base) < 0) {
504 kfree(state);
505 return NULL;
506 }
507
508 return &state->base;
509}
510
511void intel_atomic_state_free(struct drm_atomic_state *_state)
512{
513 struct intel_atomic_state *state = to_intel_atomic_state(_state);
514
515 drm_atomic_state_default_release(&state->base);
516 kfree(state->global_objs);
517
518 i915_sw_fence_fini(&state->commit_ready);
519
520 kfree(state);
521}
522
523void intel_atomic_state_clear(struct drm_atomic_state *s)
524{
525 struct intel_atomic_state *state = to_intel_atomic_state(s);
526
527 drm_atomic_state_default_clear(&state->base);
528 intel_atomic_clear_global_state(state);
529
530 state->dpll_set = state->modeset = false;
531}
532
533struct intel_crtc_state *
534intel_atomic_get_crtc_state(struct drm_atomic_state *state,
535 struct intel_crtc *crtc)
536{
537 struct drm_crtc_state *crtc_state;
538 crtc_state = drm_atomic_get_crtc_state(state, &crtc->base);
539 if (IS_ERR(crtc_state))
540 return ERR_CAST(crtc_state);
541
542 return to_intel_crtc_state(crtc_state);
543}
544