1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
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 "intel_atomic.h"
38#include "intel_drv.h"
39#include "intel_hdcp.h"
40#include "intel_sprite.h"
41
42
43
44
45
46
47
48
49
50
51int intel_digital_connector_atomic_get_property(struct drm_connector *connector,
52 const struct drm_connector_state *state,
53 struct drm_property *property,
54 u64 *val)
55{
56 struct drm_device *dev = connector->dev;
57 struct drm_i915_private *dev_priv = to_i915(dev);
58 struct intel_digital_connector_state *intel_conn_state =
59 to_intel_digital_connector_state(state);
60
61 if (property == dev_priv->force_audio_property)
62 *val = intel_conn_state->force_audio;
63 else if (property == dev_priv->broadcast_rgb_property)
64 *val = intel_conn_state->broadcast_rgb;
65 else {
66 DRM_DEBUG_ATOMIC("Unknown property [PROP:%d:%s]\n",
67 property->base.id, property->name);
68 return -EINVAL;
69 }
70
71 return 0;
72}
73
74
75
76
77
78
79
80
81
82
83int intel_digital_connector_atomic_set_property(struct drm_connector *connector,
84 struct drm_connector_state *state,
85 struct drm_property *property,
86 u64 val)
87{
88 struct drm_device *dev = connector->dev;
89 struct drm_i915_private *dev_priv = to_i915(dev);
90 struct intel_digital_connector_state *intel_conn_state =
91 to_intel_digital_connector_state(state);
92
93 if (property == dev_priv->force_audio_property) {
94 intel_conn_state->force_audio = val;
95 return 0;
96 }
97
98 if (property == dev_priv->broadcast_rgb_property) {
99 intel_conn_state->broadcast_rgb = val;
100 return 0;
101 }
102
103 DRM_DEBUG_ATOMIC("Unknown property [PROP:%d:%s]\n",
104 property->base.id, property->name);
105 return -EINVAL;
106}
107
108static bool blob_equal(const struct drm_property_blob *a,
109 const struct drm_property_blob *b)
110{
111 if (a && b)
112 return a->length == b->length &&
113 !memcmp(a->data, b->data, a->length);
114
115 return !a == !b;
116}
117
118int intel_digital_connector_atomic_check(struct drm_connector *conn,
119 struct drm_atomic_state *state)
120{
121 struct drm_connector_state *new_state =
122 drm_atomic_get_new_connector_state(state, conn);
123 struct intel_digital_connector_state *new_conn_state =
124 to_intel_digital_connector_state(new_state);
125 struct drm_connector_state *old_state =
126 drm_atomic_get_old_connector_state(state, conn);
127 struct intel_digital_connector_state *old_conn_state =
128 to_intel_digital_connector_state(old_state);
129 struct drm_crtc_state *crtc_state;
130
131 intel_hdcp_atomic_check(conn, old_state, new_state);
132
133 if (!new_state->crtc)
134 return 0;
135
136 crtc_state = drm_atomic_get_new_crtc_state(state, new_state->crtc);
137
138
139
140
141
142 if (new_conn_state->force_audio != old_conn_state->force_audio ||
143 new_conn_state->broadcast_rgb != old_conn_state->broadcast_rgb ||
144 new_conn_state->base.colorspace != old_conn_state->base.colorspace ||
145 new_conn_state->base.picture_aspect_ratio != old_conn_state->base.picture_aspect_ratio ||
146 new_conn_state->base.content_type != old_conn_state->base.content_type ||
147 new_conn_state->base.scaling_mode != old_conn_state->base.scaling_mode ||
148 !blob_equal(new_conn_state->base.hdr_output_metadata,
149 old_conn_state->base.hdr_output_metadata))
150 crtc_state->mode_changed = true;
151
152 return 0;
153}
154
155
156
157
158
159
160
161
162
163
164struct drm_connector_state *
165intel_digital_connector_duplicate_state(struct drm_connector *connector)
166{
167 struct intel_digital_connector_state *state;
168
169 state = kmemdup(connector->state, sizeof(*state), GFP_KERNEL);
170 if (!state)
171 return NULL;
172
173 __drm_atomic_helper_connector_duplicate_state(connector, &state->base);
174 return &state->base;
175}
176
177
178
179
180
181
182
183
184
185
186struct drm_crtc_state *
187intel_crtc_duplicate_state(struct drm_crtc *crtc)
188{
189 struct intel_crtc_state *crtc_state;
190
191 crtc_state = kmemdup(crtc->state, sizeof(*crtc_state), GFP_KERNEL);
192 if (!crtc_state)
193 return NULL;
194
195 __drm_atomic_helper_crtc_duplicate_state(crtc, &crtc_state->base);
196
197 crtc_state->update_pipe = false;
198 crtc_state->disable_lp_wm = false;
199 crtc_state->disable_cxsr = false;
200 crtc_state->update_wm_pre = false;
201 crtc_state->update_wm_post = false;
202 crtc_state->fb_changed = false;
203 crtc_state->fifo_changed = false;
204 crtc_state->wm.need_postvbl_update = false;
205 crtc_state->fb_bits = 0;
206 crtc_state->update_planes = 0;
207
208 return &crtc_state->base;
209}
210
211
212
213
214
215
216
217
218
219void
220intel_crtc_destroy_state(struct drm_crtc *crtc,
221 struct drm_crtc_state *state)
222{
223 drm_atomic_helper_crtc_destroy_state(crtc, state);
224}
225
226static void intel_atomic_setup_scaler(struct intel_crtc_scaler_state *scaler_state,
227 int num_scalers_need, struct intel_crtc *intel_crtc,
228 const char *name, int idx,
229 struct intel_plane_state *plane_state,
230 int *scaler_id)
231{
232 struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
233 int j;
234 u32 mode;
235
236 if (*scaler_id < 0) {
237
238 for (j = 0; j < intel_crtc->num_scalers; j++) {
239 if (scaler_state->scalers[j].in_use)
240 continue;
241
242 *scaler_id = j;
243 scaler_state->scalers[*scaler_id].in_use = 1;
244 break;
245 }
246 }
247
248 if (WARN(*scaler_id < 0, "Cannot find scaler for %s:%d\n", name, idx))
249 return;
250
251
252 if (plane_state && plane_state->base.fb &&
253 plane_state->base.fb->format->is_yuv &&
254 plane_state->base.fb->format->num_planes > 1) {
255 struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
256 if (IS_GEN(dev_priv, 9) &&
257 !IS_GEMINILAKE(dev_priv)) {
258 mode = SKL_PS_SCALER_MODE_NV12;
259 } else if (icl_is_hdr_plane(dev_priv, plane->id)) {
260
261
262
263
264
265 mode = PS_SCALER_MODE_NORMAL;
266 } else {
267 mode = PS_SCALER_MODE_PLANAR;
268
269 if (plane_state->linked_plane)
270 mode |= PS_PLANE_Y_SEL(plane_state->linked_plane->id);
271 }
272 } else if (INTEL_GEN(dev_priv) > 9 || IS_GEMINILAKE(dev_priv)) {
273 mode = PS_SCALER_MODE_NORMAL;
274 } else if (num_scalers_need == 1 && intel_crtc->num_scalers > 1) {
275
276
277
278
279
280 scaler_state->scalers[*scaler_id].in_use = 0;
281 *scaler_id = 0;
282 scaler_state->scalers[0].in_use = 1;
283 mode = SKL_PS_SCALER_MODE_HQ;
284 } else {
285 mode = SKL_PS_SCALER_MODE_DYN;
286 }
287
288 DRM_DEBUG_KMS("Attached scaler id %u.%u to %s:%d\n",
289 intel_crtc->pipe, *scaler_id, name, idx);
290 scaler_state->scalers[*scaler_id].mode = mode;
291}
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv,
311 struct intel_crtc *intel_crtc,
312 struct intel_crtc_state *crtc_state)
313{
314 struct drm_plane *plane = NULL;
315 struct intel_plane *intel_plane;
316 struct intel_plane_state *plane_state = NULL;
317 struct intel_crtc_scaler_state *scaler_state =
318 &crtc_state->scaler_state;
319 struct drm_atomic_state *drm_state = crtc_state->base.state;
320 struct intel_atomic_state *intel_state = to_intel_atomic_state(drm_state);
321 int num_scalers_need;
322 int i;
323
324 num_scalers_need = hweight32(scaler_state->scaler_users);
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339 if (num_scalers_need > intel_crtc->num_scalers){
340 DRM_DEBUG_KMS("Too many scaling requests %d > %d\n",
341 num_scalers_need, intel_crtc->num_scalers);
342 return -EINVAL;
343 }
344
345
346 for (i = 0; i < sizeof(scaler_state->scaler_users) * 8; i++) {
347 int *scaler_id;
348 const char *name;
349 int idx;
350
351
352 if (!(scaler_state->scaler_users & (1 << i)))
353 continue;
354
355 if (i == SKL_CRTC_INDEX) {
356 name = "CRTC";
357 idx = intel_crtc->base.base.id;
358
359
360 scaler_id = &scaler_state->scaler_id;
361 } else {
362 name = "PLANE";
363
364
365
366 plane = drm_state->planes[i].ptr;
367
368
369
370
371
372 if (!plane) {
373 struct drm_plane_state *state;
374 plane = drm_plane_from_index(&dev_priv->drm, i);
375 state = drm_atomic_get_plane_state(drm_state, plane);
376 if (IS_ERR(state)) {
377 DRM_DEBUG_KMS("Failed to add [PLANE:%d] to drm_state\n",
378 plane->base.id);
379 return PTR_ERR(state);
380 }
381
382
383
384
385
386
387 crtc_state->base.planes_changed = true;
388 }
389
390 intel_plane = to_intel_plane(plane);
391 idx = plane->base.id;
392
393
394 if (WARN_ON(intel_plane->pipe != intel_crtc->pipe))
395 continue;
396
397 plane_state = intel_atomic_get_new_plane_state(intel_state,
398 intel_plane);
399 scaler_id = &plane_state->scaler_id;
400 }
401
402 intel_atomic_setup_scaler(scaler_state, num_scalers_need,
403 intel_crtc, name, idx,
404 plane_state, scaler_id);
405 }
406
407 return 0;
408}
409
410struct drm_atomic_state *
411intel_atomic_state_alloc(struct drm_device *dev)
412{
413 struct intel_atomic_state *state = kzalloc(sizeof(*state), GFP_KERNEL);
414
415 if (!state || drm_atomic_state_init(dev, &state->base) < 0) {
416 kfree(state);
417 return NULL;
418 }
419
420 return &state->base;
421}
422
423void intel_atomic_state_clear(struct drm_atomic_state *s)
424{
425 struct intel_atomic_state *state = to_intel_atomic_state(s);
426 drm_atomic_state_default_clear(&state->base);
427 state->dpll_set = state->modeset = false;
428}
429
430struct intel_crtc_state *
431intel_atomic_get_crtc_state(struct drm_atomic_state *state,
432 struct intel_crtc *crtc)
433{
434 struct drm_crtc_state *crtc_state;
435 crtc_state = drm_atomic_get_crtc_state(state, &crtc->base);
436 if (IS_ERR(crtc_state))
437 return ERR_CAST(crtc_state);
438
439 return to_intel_crtc_state(crtc_state);
440}
441