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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
|
/*
* Copyright (C) 2008 Maarten Maathuis.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <acpi/video.h>
#include <drm/drmP.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc_helper.h>
#include <nvif/class.h>
#include "nouveau_fbcon.h"
#include "dispnv04/hw.h"
#include "nouveau_crtc.h"
#include "nouveau_dma.h"
#include "nouveau_gem.h"
#include "nouveau_connector.h"
#include "nv50_display.h"
#include "nouveau_fence.h"
#include <nvif/cl0046.h>
#include <nvif/event.h>
static int
nouveau_display_vblank_handler(struct nvif_notify *notify)
{
struct nouveau_crtc *nv_crtc =
container_of(notify, typeof(*nv_crtc), vblank);
drm_crtc_handle_vblank(&nv_crtc->base);
return NVIF_NOTIFY_KEEP;
}
int
nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe)
{
struct drm_crtc *crtc;
struct nouveau_crtc *nv_crtc;
crtc = drm_crtc_from_index(dev, pipe);
if (!crtc)
return -EINVAL;
nv_crtc = nouveau_crtc(crtc);
nvif_notify_get(&nv_crtc->vblank);
return 0;
}
void
nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe)
{
struct drm_crtc *crtc;
struct nouveau_crtc *nv_crtc;
crtc = drm_crtc_from_index(dev, pipe);
if (!crtc)
return;
nv_crtc = nouveau_crtc(crtc);
nvif_notify_put(&nv_crtc->vblank);
}
static inline int
calc(int blanks, int blanke, int total, int line)
{
if (blanke >= blanks) {
if (line >= blanks)
line -= total;
} else {
if (line >= blanks)
line -= total;
line -= blanke + 1;
}
return line;
}
static int
nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
ktime_t *stime, ktime_t *etime)
{
struct {
struct nv04_disp_mthd_v0 base;
struct nv04_disp_scanoutpos_v0 scan;
} args = {
.base.method = NV04_DISP_SCANOUTPOS,
.base.head = nouveau_crtc(crtc)->index,
};
struct nouveau_display *disp = nouveau_display(crtc->dev);
struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
int ret, retry = 20;
do {
ret = nvif_mthd(&disp->disp, 0, &args, sizeof(args));
if (ret != 0)
return 0;
if (args.scan.vline) {
ret |= DRM_SCANOUTPOS_ACCURATE;
ret |= DRM_SCANOUTPOS_VALID;
break;
}
if (retry) ndelay(vblank->linedur_ns);
} while (retry--);
*hpos = args.scan.hline;
*vpos = calc(args.scan.vblanks, args.scan.vblanke,
args.scan.vtotal, args.scan.vline);
if (stime) *stime = ns_to_ktime(args.scan.time[0]);
if (etime) *etime = ns_to_ktime(args.scan.time[1]);
if (*vpos < 0)
ret |= DRM_SCANOUTPOS_IN_VBLANK;
return ret;
}
int
nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe,
unsigned int flags, int *vpos, int *hpos,
ktime_t *stime, ktime_t *etime,
const struct drm_display_mode *mode)
{
struct drm_crtc *crtc;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
if (nouveau_crtc(crtc)->index == pipe) {
return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
stime, etime);
}
}
return 0;
}
bool
nouveau_display_vblstamp(struct drm_device *dev, unsigned int pipe,
int *max_error, struct timeval *time, bool in_vblank_irq)
{
struct drm_crtc *crtc;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
if (nouveau_crtc(crtc)->index == pipe) {
struct drm_display_mode *mode;
if (drm_drv_uses_atomic_modeset(dev))
mode = &crtc->state->adjusted_mode;
else
mode = &crtc->hwmode;
return drm_calc_vbltimestamp_from_scanoutpos(dev,
pipe, max_error, time, in_vblank_irq,
mode);
}
}
return false;
}
static void
nouveau_display_vblank_fini(struct drm_device *dev)
{
struct drm_crtc *crtc;
drm_vblank_cleanup(dev);
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
nvif_notify_fini(&nv_crtc->vblank);
}
}
static int
nouveau_display_vblank_init(struct drm_device *dev)
{
struct nouveau_display *disp = nouveau_display(dev);
struct drm_crtc *crtc;
int ret;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
ret = nvif_notify_init(&disp->disp,
nouveau_display_vblank_handler, false,
NV04_DISP_NTFY_VBLANK,
&(struct nvif_notify_head_req_v0) {
.head = nv_crtc->index,
},
sizeof(struct nvif_notify_head_req_v0),
sizeof(struct nvif_notify_head_rep_v0),
&nv_crtc->vblank);
if (ret) {
nouveau_display_vblank_fini(dev);
return ret;
}
}
ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
if (ret) {
nouveau_display_vblank_fini(dev);
return ret;
}
return 0;
}
static void
nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
{
struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
if (fb->nvbo)
drm_gem_object_unreference_unlocked(&fb->nvbo->gem);
drm_framebuffer_cleanup(drm_fb);
kfree(fb);
}
static int
nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
struct drm_file *file_priv,
unsigned int *handle)
{
struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle);
}
static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
.destroy = nouveau_user_framebuffer_destroy,
.create_handle = nouveau_user_framebuffer_create_handle,
};
int
nouveau_framebuffer_new(struct drm_device *dev,
const struct drm_mode_fb_cmd2 *mode_cmd,
struct nouveau_bo *nvbo,
struct nouveau_framebuffer **pfb)
{
struct nouveau_framebuffer *fb;
int ret;
if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
return -ENOMEM;
drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd);
fb->nvbo = nvbo;
ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
if (ret)
kfree(fb);
return ret;
}
struct drm_framebuffer *
nouveau_user_framebuffer_create(struct drm_device *dev,
struct drm_file *file_priv,
const struct drm_mode_fb_cmd2 *mode_cmd)
{
struct nouveau_framebuffer *fb;
struct nouveau_bo *nvbo;
struct drm_gem_object *gem;
int ret;
gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
if (!gem)
return ERR_PTR(-ENOENT);
nvbo = nouveau_gem_object(gem);
ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb);
if (ret == 0)
return &fb->base;
drm_gem_object_unreference_unlocked(gem);
return ERR_PTR(ret);
}
static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
.fb_create = nouveau_user_framebuffer_create,
.output_poll_changed = nouveau_fbcon_output_poll_changed,
};
struct nouveau_drm_prop_enum_list {
u8 gen_mask;
int type;
char *name;
};
static struct nouveau_drm_prop_enum_list underscan[] = {
{ 6, UNDERSCAN_AUTO, "auto" },
{ 6, UNDERSCAN_OFF, "off" },
{ 6, UNDERSCAN_ON, "on" },
{}
};
static struct nouveau_drm_prop_enum_list dither_mode[] = {
{ 7, DITHERING_MODE_AUTO, "auto" },
{ 7, DITHERING_MODE_OFF, "off" },
{ 1, DITHERING_MODE_ON, "on" },
{ 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
{ 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
{ 4, DITHERING_MODE_TEMPORAL, "temporal" },
{}
};
static struct nouveau_drm_prop_enum_list dither_depth[] = {
{ 6, DITHERING_DEPTH_AUTO, "auto" },
{ 6, DITHERING_DEPTH_6BPC, "6 bpc" },
{ 6, DITHERING_DEPTH_8BPC, "8 bpc" },
{}
};
#define PROP_ENUM(p,gen,n,list) do { \
struct nouveau_drm_prop_enum_list *l = (list); \
int c = 0; \
while (l->gen_mask) { \
if (l->gen_mask & (1 << (gen))) \
c++; \
l++; \
} \
if (c) { \
p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
l = (list); \
c = 0; \
while (p && l->gen_mask) { \
if (l->gen_mask & (1 << (gen))) { \
drm_property_add_enum(p, c, l->type, l->name); \
c++; \
} \
l++; \
} \
} \
} while(0)
static void
nouveau_display_hpd_work(struct work_struct *work)
{
struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
pm_runtime_get_sync(drm->dev->dev);
drm_helper_hpd_irq_event(drm->dev);
pm_runtime_mark_last_busy(drm->dev->dev);
pm_runtime_put_sync(drm->dev->dev);
}
#ifdef CONFIG_ACPI
/*
* Hans de Goede: This define belongs in acpi/video.h, I've submitted a patch
* to the acpi subsys to move it there from drivers/acpi/acpi_video.c .
* This should be dropped once that is merged.
*/
#ifndef ACPI_VIDEO_NOTIFY_PROBE
#define ACPI_VIDEO_NOTIFY_PROBE 0x81
#endif
static int
nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
void *data)
{
struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
struct acpi_bus_event *info = data;
if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
/*
* This may be the only indication we receive of a
* connector hotplug on a runtime suspended GPU,
* schedule hpd_work to check.
*/
schedule_work(&drm->hpd_work);
/* acpi-video should not generate keypresses for this */
return NOTIFY_BAD;
}
}
return NOTIFY_DONE;
}
#endif
int
nouveau_display_init(struct drm_device *dev)
{
struct nouveau_display *disp = nouveau_display(dev);
struct nouveau_drm *drm = nouveau_drm(dev);
struct drm_connector *connector;
int ret;
ret = disp->init(dev);
if (ret)
return ret;
/* enable polling for external displays */
if (!dev->mode_config.poll_enabled)
drm_kms_helper_poll_enable(dev);
/* enable hotplug interrupts */
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct nouveau_connector *conn = nouveau_connector(connector);
nvif_notify_get(&conn->hpd);
}
/* enable flip completion events */
nvif_notify_get(&drm->flip);
return ret;
}
void
nouveau_display_fini(struct drm_device *dev, bool suspend)
{
struct nouveau_display *disp = nouveau_display(dev);
struct nouveau_drm *drm = nouveau_drm(dev);
struct drm_connector *connector;
struct drm_crtc *crtc;
if (!suspend) {
if (drm_drv_uses_atomic_modeset(dev))
drm_atomic_helper_shutdown(dev);
else
drm_crtc_force_disable_all(dev);
}
/* Make sure that drm and hw vblank irqs get properly disabled. */
drm_for_each_crtc(crtc, dev)
drm_crtc_vblank_off(crtc);
/* disable flip completion events */
nvif_notify_put(&drm->flip);
/* disable hotplug interrupts */
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct nouveau_connector *conn = nouveau_connector(connector);
nvif_notify_put(&conn->hpd);
}
drm_kms_helper_poll_disable(dev);
disp->fini(dev);
}
static void
nouveau_display_create_properties(struct drm_device *dev)
{
struct nouveau_display *disp = nouveau_display(dev);
int gen;
if (disp->disp.oclass < NV50_DISP)
gen = 0;
else
if (disp->disp.oclass < GF110_DISP)
gen = 1;
else
gen = 2;
PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
disp->underscan_hborder_property =
drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
disp->underscan_vborder_property =
drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
if (gen < 1)
return;
/* -90..+90 */
disp->vibrant_hue_property =
drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
/* -100..+100 */
disp->color_vibrance_property =
drm_property_create_range(dev, 0, "color vibrance", 0, 200);
}
int
nouveau_display_create(struct drm_device *dev)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvkm_device *device = nvxx_device(&drm->client.device);
struct nouveau_display *disp;
int ret;
disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
if (!disp)
return -ENOMEM;
drm_mode_config_init(dev);
drm_mode_create_scaling_mode_property(dev);
drm_mode_create_dvi_i_properties(dev);
dev->mode_config.funcs = &nouveau_mode_config_funcs;
dev->mode_config.fb_base = device->func->resource_addr(device, 1);
dev->mode_config.min_width = 0;
dev->mode_config.min_height = 0;
if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
dev->mode_config.max_width = 2048;
dev->mode_config.max_height = 2048;
} else
if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
dev->mode_config.max_width = 4096;
dev->mode_config.max_height = 4096;
} else
if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
dev->mode_config.max_width = 8192;
dev->mode_config.max_height = 8192;
} else {
dev->mode_config.max_width = 16384;
dev->mode_config.max_height = 16384;
}
dev->mode_config.preferred_depth = 24;
dev->mode_config.prefer_shadow = 1;
if (drm->client.device.info.chipset < 0x11)
dev->mode_config.async_page_flip = false;
else
dev->mode_config.async_page_flip = true;
drm_kms_helper_poll_init(dev);
drm_kms_helper_poll_disable(dev);
if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
static const u16 oclass[] = {
GP102_DISP,
GP100_DISP,
GM200_DISP,
GM107_DISP,
GK110_DISP,
GK104_DISP,
GF110_DISP,
GT214_DISP,
GT206_DISP,
GT200_DISP,
G82_DISP,
NV50_DISP,
NV04_DISP,
};
int i;
for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) {
ret = nvif_object_init(&drm->client.device.object, 0,
oclass[i], NULL, 0, &disp->disp);
}
if (ret == 0) {
nouveau_display_create_properties(dev);
if (disp->disp.oclass < NV50_DISP)
ret = nv04_display_create(dev);
else
ret = nv50_display_create(dev);
}
} else {
ret = 0;
}
if (ret)
goto disp_create_err;
drm_mode_config_reset(dev);
if (dev->mode_config.num_crtc) {
ret = nouveau_display_vblank_init(dev);
if (ret)
goto vblank_err;
}
nouveau_backlight_init(dev);
INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
#ifdef CONFIG_ACPI
drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
register_acpi_notifier(&drm->acpi_nb);
#endif
return 0;
vblank_err:
disp->dtor(dev);
disp_create_err:
drm_kms_helper_poll_fini(dev);
drm_mode_config_cleanup(dev);
return ret;
}
void
nouveau_display_destroy(struct drm_device *dev)
{
struct nouveau_display *disp = nouveau_display(dev);
#ifdef CONFIG_ACPI
unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb);
#endif
nouveau_backlight_exit(dev);
nouveau_display_vblank_fini(dev);
drm_kms_helper_poll_fini(dev);
drm_mode_config_cleanup(dev);
if (disp->dtor)
disp->dtor(dev);
nvif_object_fini(&disp->disp);
nouveau_drm(dev)->display = NULL;
kfree(disp);
}
int
nouveau_display_suspend(struct drm_device *dev, bool runtime)
{
struct nouveau_display *disp = nouveau_display(dev);
struct drm_crtc *crtc;
if (drm_drv_uses_atomic_modeset(dev)) {
if (!runtime) {
disp->suspend = drm_atomic_helper_suspend(dev);
if (IS_ERR(disp->suspend)) {
int ret = PTR_ERR(disp->suspend);
disp->suspend = NULL;
return ret;
}
}
nouveau_display_fini(dev, true);
return 0;
}
nouveau_display_fini(dev, true);
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_framebuffer *nouveau_fb;
nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
if (!nouveau_fb || !nouveau_fb->nvbo)
continue;
nouveau_bo_unpin(nouveau_fb->nvbo);
}
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
if (nv_crtc->cursor.nvbo) {
if (nv_crtc->cursor.set_offset)
nouveau_bo_unmap(nv_crtc->cursor.nvbo);
nouveau_bo_unpin(nv_crtc->cursor.nvbo);
}
}
return 0;
}
void
nouveau_display_resume(struct drm_device *dev, bool runtime)
{
struct nouveau_display *disp = nouveau_display(dev);
struct nouveau_drm *drm = nouveau_drm(dev);
struct drm_crtc *crtc;
int ret;
if (drm_drv_uses_atomic_modeset(dev)) {
nouveau_display_init(dev);
if (disp->suspend) {
drm_atomic_helper_resume(dev, disp->suspend);
disp->suspend = NULL;
}
return;
}
/* re-pin fb/cursors */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_framebuffer *nouveau_fb;
nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
if (!nouveau_fb || !nouveau_fb->nvbo)
continue;
ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true);
if (ret)
NV_ERROR(drm, "Could not pin framebuffer\n");
}
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
if (!nv_crtc->cursor.nvbo)
continue;
ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true);
if (!ret && nv_crtc->cursor.set_offset)
ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
if (ret)
NV_ERROR(drm, "Could not pin/map cursor.\n");
}
nouveau_display_init(dev);
/* Force CLUT to get re-loaded during modeset */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
nv_crtc->lut.depth = 0;
}
/* This should ensure we don't hit a locking problem when someone
* wakes us up via a connector. We should never go into suspend
* while the display is on anyways.
*/
if (runtime)
return;
drm_helper_resume_force_mode(dev);
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
if (!nv_crtc->cursor.nvbo)
continue;
if (nv_crtc->cursor.set_offset)
nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset);
nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
nv_crtc->cursor_saved_y);
}
}
static int
nouveau_page_flip_emit(struct nouveau_channel *chan,
struct nouveau_bo *old_bo,
struct nouveau_bo *new_bo,
struct nouveau_page_flip_state *s,
struct nouveau_fence **pfence)
{
struct nouveau_fence_chan *fctx = chan->fence;
struct nouveau_drm *drm = chan->drm;
struct drm_device *dev = drm->dev;
unsigned long flags;
int ret;
/* Queue it to the pending list */
spin_lock_irqsave(&dev->event_lock, flags);
list_add_tail(&s->head, &fctx->flip);
spin_unlock_irqrestore(&dev->event_lock, flags);
/* Synchronize with the old framebuffer */
ret = nouveau_fence_sync(old_bo, chan, false, false);
if (ret)
goto fail;
/* Emit the pageflip */
ret = RING_SPACE(chan, 2);
if (ret)
goto fail;
BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
OUT_RING (chan, 0x00000000);
FIRE_RING (chan);
ret = nouveau_fence_new(chan, false, pfence);
if (ret)
goto fail;
return 0;
fail:
spin_lock_irqsave(&dev->event_lock, flags);
list_del(&s->head);
spin_unlock_irqrestore(&dev->event_lock, flags);
return ret;
}
int
nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
struct drm_pending_vblank_event *event, u32 flags,
struct drm_modeset_acquire_ctx *ctx)
{
const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
struct drm_device *dev = crtc->dev;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo;
struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
struct nouveau_page_flip_state *s;
struct nouveau_channel *chan;
struct nouveau_cli *cli;
struct nouveau_fence *fence;
struct nv04_display *dispnv04 = nv04_display(dev);
int head = nouveau_crtc(crtc)->index;
int ret;
chan = drm->channel;
if (!chan)
return -ENODEV;
cli = (void *)chan->user.client;
s = kzalloc(sizeof(*s), GFP_KERNEL);
if (!s)
return -ENOMEM;
if (new_bo != old_bo) {
ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true);
if (ret)
goto fail_free;
}
mutex_lock(&cli->mutex);
ret = ttm_bo_reserve(&new_bo->bo, true, false, NULL);
if (ret)
goto fail_unpin;
/* synchronise rendering channel with the kernel's channel */
ret = nouveau_fence_sync(new_bo, chan, false, true);
if (ret) {
ttm_bo_unreserve(&new_bo->bo);
goto fail_unpin;
}
if (new_bo != old_bo) {
ttm_bo_unreserve(&new_bo->bo);
ret = ttm_bo_reserve(&old_bo->bo, true, false, NULL);
if (ret)
goto fail_unpin;
}
/* Initialize a page flip struct */
*s = (struct nouveau_page_flip_state)
{ { }, event, crtc, fb->format->cpp[0] * 8, fb->pitches[0],
new_bo->bo.offset };
/* Keep vblanks on during flip, for the target crtc of this flip */
drm_crtc_vblank_get(crtc);
/* Emit a page flip */
if (swap_interval) {
ret = RING_SPACE(chan, 8);
if (ret)
goto fail_unreserve;
BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1);
OUT_RING (chan, 0);
BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1);
OUT_RING (chan, head);
BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1);
OUT_RING (chan, 0);
BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1);
OUT_RING (chan, 0);
}
nouveau_bo_ref(new_bo, &dispnv04->image[head]);
ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
if (ret)
goto fail_unreserve;
mutex_unlock(&cli->mutex);
/* Update the crtc struct and cleanup */
crtc->primary->fb = fb;
nouveau_bo_fence(old_bo, fence, false);
ttm_bo_unreserve(&old_bo->bo);
if (old_bo != new_bo)
nouveau_bo_unpin(old_bo);
nouveau_fence_unref(&fence);
return 0;
fail_unreserve:
drm_crtc_vblank_put(crtc);
ttm_bo_unreserve(&old_bo->bo);
fail_unpin:
mutex_unlock(&cli->mutex);
if (old_bo != new_bo)
nouveau_bo_unpin(new_bo);
fail_free:
kfree(s);
return ret;
}
int
nouveau_finish_page_flip(struct nouveau_channel *chan,
struct nouveau_page_flip_state *ps)
{
struct nouveau_fence_chan *fctx = chan->fence;
struct nouveau_drm *drm = chan->drm;
struct drm_device *dev = drm->dev;
struct nouveau_page_flip_state *s;
unsigned long flags;
spin_lock_irqsave(&dev->event_lock, flags);
if (list_empty(&fctx->flip)) {
NV_ERROR(drm, "unexpected pageflip\n");
spin_unlock_irqrestore(&dev->event_lock, flags);
return -EINVAL;
}
s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
if (s->event) {
drm_crtc_arm_vblank_event(s->crtc, s->event);
} else {
/* Give up ownership of vblank for page-flipped crtc */
drm_crtc_vblank_put(s->crtc);
}
list_del(&s->head);
if (ps)
*ps = *s;
kfree(s);
spin_unlock_irqrestore(&dev->event_lock, flags);
return 0;
}
int
nouveau_flip_complete(struct nvif_notify *notify)
{
struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip);
struct nouveau_channel *chan = drm->channel;
struct nouveau_page_flip_state state;
if (!nouveau_finish_page_flip(chan, &state)) {
nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc),
state.offset + state.crtc->y *
state.pitch + state.crtc->x *
state.bpp / 8);
}
return NVIF_NOTIFY_KEEP;
}
int
nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
struct drm_mode_create_dumb *args)
{
struct nouveau_cli *cli = nouveau_cli(file_priv);
struct nouveau_bo *bo;
uint32_t domain;
int ret;
args->pitch = roundup(args->width * (args->bpp / 8), 256);
args->size = args->pitch * args->height;
args->size = roundup(args->size, PAGE_SIZE);
/* Use VRAM if there is any ; otherwise fallback to system memory */
if (nouveau_drm(dev)->client.device.info.ram_size != 0)
domain = NOUVEAU_GEM_DOMAIN_VRAM;
else
domain = NOUVEAU_GEM_DOMAIN_GART;
ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
if (ret)
return ret;
ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle);
drm_gem_object_unreference_unlocked(&bo->gem);
return ret;
}
int
nouveau_display_dumb_map_offset(struct drm_file *file_priv,
struct drm_device *dev,
uint32_t handle, uint64_t *poffset)
{
struct drm_gem_object *gem;
gem = drm_gem_object_lookup(file_priv, handle);
if (gem) {
struct nouveau_bo *bo = nouveau_gem_object(gem);
*poffset = drm_vma_node_offset_addr(&bo->bo.vma_node);
drm_gem_object_unreference_unlocked(gem);
return 0;
}
return -ENOENT;
}
|