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27#include <acpi/video.h>
28#include <drm/drmP.h>
29#include <drm/drm_atomic.h>
30#include <drm/drm_atomic_helper.h>
31#include <drm/drm_crtc_helper.h>
32
33#include <nvif/class.h>
34
35#include "nouveau_fbcon.h"
36#include "dispnv04/hw.h"
37#include "nouveau_crtc.h"
38#include "nouveau_dma.h"
39#include "nouveau_gem.h"
40#include "nouveau_connector.h"
41#include "nv50_display.h"
42
43#include "nouveau_fence.h"
44
45#include <nvif/cl0046.h>
46#include <nvif/event.h>
47
48static int
49nouveau_display_vblank_handler(struct nvif_notify *notify)
50{
51 struct nouveau_crtc *nv_crtc =
52 container_of(notify, typeof(*nv_crtc), vblank);
53 drm_crtc_handle_vblank(&nv_crtc->base);
54 return NVIF_NOTIFY_KEEP;
55}
56
57int
58nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe)
59{
60 struct drm_crtc *crtc;
61 struct nouveau_crtc *nv_crtc;
62
63 crtc = drm_crtc_from_index(dev, pipe);
64 if (!crtc)
65 return -EINVAL;
66
67 nv_crtc = nouveau_crtc(crtc);
68 nvif_notify_get(&nv_crtc->vblank);
69
70 return 0;
71}
72
73void
74nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe)
75{
76 struct drm_crtc *crtc;
77 struct nouveau_crtc *nv_crtc;
78
79 crtc = drm_crtc_from_index(dev, pipe);
80 if (!crtc)
81 return;
82
83 nv_crtc = nouveau_crtc(crtc);
84 nvif_notify_put(&nv_crtc->vblank);
85}
86
87static inline int
88calc(int blanks, int blanke, int total, int line)
89{
90 if (blanke >= blanks) {
91 if (line >= blanks)
92 line -= total;
93 } else {
94 if (line >= blanks)
95 line -= total;
96 line -= blanke + 1;
97 }
98 return line;
99}
100
101static bool
102nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
103 ktime_t *stime, ktime_t *etime)
104{
105 struct {
106 struct nv04_disp_mthd_v0 base;
107 struct nv04_disp_scanoutpos_v0 scan;
108 } args = {
109 .base.method = NV04_DISP_SCANOUTPOS,
110 .base.head = nouveau_crtc(crtc)->index,
111 };
112 struct nouveau_display *disp = nouveau_display(crtc->dev);
113 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
114 int retry = 20;
115 bool ret = false;
116
117 do {
118 ret = nvif_mthd(&disp->disp, 0, &args, sizeof(args));
119 if (ret != 0)
120 return false;
121
122 if (args.scan.vline) {
123 ret = true;
124 break;
125 }
126
127 if (retry) ndelay(vblank->linedur_ns);
128 } while (retry--);
129
130 *hpos = args.scan.hline;
131 *vpos = calc(args.scan.vblanks, args.scan.vblanke,
132 args.scan.vtotal, args.scan.vline);
133 if (stime) *stime = ns_to_ktime(args.scan.time[0]);
134 if (etime) *etime = ns_to_ktime(args.scan.time[1]);
135
136 return ret;
137}
138
139bool
140nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe,
141 bool in_vblank_irq, int *vpos, int *hpos,
142 ktime_t *stime, ktime_t *etime,
143 const struct drm_display_mode *mode)
144{
145 struct drm_crtc *crtc;
146
147 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
148 if (nouveau_crtc(crtc)->index == pipe) {
149 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
150 stime, etime);
151 }
152 }
153
154 return false;
155}
156
157static void
158nouveau_display_vblank_fini(struct drm_device *dev)
159{
160 struct drm_crtc *crtc;
161
162 drm_vblank_cleanup(dev);
163
164 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
165 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
166 nvif_notify_fini(&nv_crtc->vblank);
167 }
168}
169
170static int
171nouveau_display_vblank_init(struct drm_device *dev)
172{
173 struct nouveau_display *disp = nouveau_display(dev);
174 struct drm_crtc *crtc;
175 int ret;
176
177 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
178 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
179 ret = nvif_notify_init(&disp->disp,
180 nouveau_display_vblank_handler, false,
181 NV04_DISP_NTFY_VBLANK,
182 &(struct nvif_notify_head_req_v0) {
183 .head = nv_crtc->index,
184 },
185 sizeof(struct nvif_notify_head_req_v0),
186 sizeof(struct nvif_notify_head_rep_v0),
187 &nv_crtc->vblank);
188 if (ret) {
189 nouveau_display_vblank_fini(dev);
190 return ret;
191 }
192 }
193
194 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
195 if (ret) {
196 nouveau_display_vblank_fini(dev);
197 return ret;
198 }
199
200 return 0;
201}
202
203static void
204nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
205{
206 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
207
208 if (fb->nvbo)
209 drm_gem_object_unreference_unlocked(&fb->nvbo->gem);
210
211 drm_framebuffer_cleanup(drm_fb);
212 kfree(fb);
213}
214
215static int
216nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
217 struct drm_file *file_priv,
218 unsigned int *handle)
219{
220 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
221
222 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle);
223}
224
225static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
226 .destroy = nouveau_user_framebuffer_destroy,
227 .create_handle = nouveau_user_framebuffer_create_handle,
228};
229
230int
231nouveau_framebuffer_new(struct drm_device *dev,
232 const struct drm_mode_fb_cmd2 *mode_cmd,
233 struct nouveau_bo *nvbo,
234 struct nouveau_framebuffer **pfb)
235{
236 struct nouveau_framebuffer *fb;
237 int ret;
238
239 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
240 return -ENOMEM;
241
242 drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd);
243 fb->nvbo = nvbo;
244
245 ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
246 if (ret)
247 kfree(fb);
248 return ret;
249}
250
251struct drm_framebuffer *
252nouveau_user_framebuffer_create(struct drm_device *dev,
253 struct drm_file *file_priv,
254 const struct drm_mode_fb_cmd2 *mode_cmd)
255{
256 struct nouveau_framebuffer *fb;
257 struct nouveau_bo *nvbo;
258 struct drm_gem_object *gem;
259 int ret;
260
261 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
262 if (!gem)
263 return ERR_PTR(-ENOENT);
264 nvbo = nouveau_gem_object(gem);
265
266 ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb);
267 if (ret == 0)
268 return &fb->base;
269
270 drm_gem_object_unreference_unlocked(gem);
271 return ERR_PTR(ret);
272}
273
274static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
275 .fb_create = nouveau_user_framebuffer_create,
276 .output_poll_changed = nouveau_fbcon_output_poll_changed,
277};
278
279
280struct nouveau_drm_prop_enum_list {
281 u8 gen_mask;
282 int type;
283 char *name;
284};
285
286static struct nouveau_drm_prop_enum_list underscan[] = {
287 { 6, UNDERSCAN_AUTO, "auto" },
288 { 6, UNDERSCAN_OFF, "off" },
289 { 6, UNDERSCAN_ON, "on" },
290 {}
291};
292
293static struct nouveau_drm_prop_enum_list dither_mode[] = {
294 { 7, DITHERING_MODE_AUTO, "auto" },
295 { 7, DITHERING_MODE_OFF, "off" },
296 { 1, DITHERING_MODE_ON, "on" },
297 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
298 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
299 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
300 {}
301};
302
303static struct nouveau_drm_prop_enum_list dither_depth[] = {
304 { 6, DITHERING_DEPTH_AUTO, "auto" },
305 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
306 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
307 {}
308};
309
310#define PROP_ENUM(p,gen,n,list) do { \
311 struct nouveau_drm_prop_enum_list *l = (list); \
312 int c = 0; \
313 while (l->gen_mask) { \
314 if (l->gen_mask & (1 << (gen))) \
315 c++; \
316 l++; \
317 } \
318 if (c) { \
319 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
320 l = (list); \
321 c = 0; \
322 while (p && l->gen_mask) { \
323 if (l->gen_mask & (1 << (gen))) { \
324 drm_property_add_enum(p, c, l->type, l->name); \
325 c++; \
326 } \
327 l++; \
328 } \
329 } \
330} while(0)
331
332static void
333nouveau_display_hpd_work(struct work_struct *work)
334{
335 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
336
337 pm_runtime_get_sync(drm->dev->dev);
338
339 drm_helper_hpd_irq_event(drm->dev);
340
341 drm_kms_helper_poll_enable(drm->dev);
342
343 pm_runtime_mark_last_busy(drm->dev->dev);
344 pm_runtime_put_sync(drm->dev->dev);
345}
346
347#ifdef CONFIG_ACPI
348
349
350
351
352
353
354#ifndef ACPI_VIDEO_NOTIFY_PROBE
355#define ACPI_VIDEO_NOTIFY_PROBE 0x81
356#endif
357
358static int
359nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
360 void *data)
361{
362 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
363 struct acpi_bus_event *info = data;
364
365 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
366 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
367
368
369
370
371
372 schedule_work(&drm->hpd_work);
373
374
375 return NOTIFY_BAD;
376 }
377 }
378
379 return NOTIFY_DONE;
380}
381#endif
382
383int
384nouveau_display_init(struct drm_device *dev)
385{
386 struct nouveau_display *disp = nouveau_display(dev);
387 struct nouveau_drm *drm = nouveau_drm(dev);
388 struct drm_connector *connector;
389 int ret;
390
391 ret = disp->init(dev);
392 if (ret)
393 return ret;
394
395
396 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
397 struct nouveau_connector *conn = nouveau_connector(connector);
398 nvif_notify_get(&conn->hpd);
399 }
400
401
402 nvif_notify_get(&drm->flip);
403 return ret;
404}
405
406void
407nouveau_display_fini(struct drm_device *dev, bool suspend)
408{
409 struct nouveau_display *disp = nouveau_display(dev);
410 struct nouveau_drm *drm = nouveau_drm(dev);
411 struct drm_connector *connector;
412
413 if (!suspend) {
414 if (drm_drv_uses_atomic_modeset(dev))
415 drm_atomic_helper_shutdown(dev);
416 else
417 drm_crtc_force_disable_all(dev);
418 }
419
420
421 nvif_notify_put(&drm->flip);
422
423
424 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
425 struct nouveau_connector *conn = nouveau_connector(connector);
426 nvif_notify_put(&conn->hpd);
427 }
428
429 drm_kms_helper_poll_disable(dev);
430 disp->fini(dev);
431}
432
433static void
434nouveau_display_create_properties(struct drm_device *dev)
435{
436 struct nouveau_display *disp = nouveau_display(dev);
437 int gen;
438
439 if (disp->disp.oclass < NV50_DISP)
440 gen = 0;
441 else
442 if (disp->disp.oclass < GF110_DISP)
443 gen = 1;
444 else
445 gen = 2;
446
447 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
448 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
449 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
450
451 disp->underscan_hborder_property =
452 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
453
454 disp->underscan_vborder_property =
455 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
456
457 if (gen < 1)
458 return;
459
460
461 disp->vibrant_hue_property =
462 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
463
464
465 disp->color_vibrance_property =
466 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
467}
468
469int
470nouveau_display_create(struct drm_device *dev)
471{
472 struct nouveau_drm *drm = nouveau_drm(dev);
473 struct nvkm_device *device = nvxx_device(&drm->client.device);
474 struct nouveau_display *disp;
475 int ret;
476
477 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
478 if (!disp)
479 return -ENOMEM;
480
481 drm_mode_config_init(dev);
482 drm_mode_create_scaling_mode_property(dev);
483 drm_mode_create_dvi_i_properties(dev);
484
485 dev->mode_config.funcs = &nouveau_mode_config_funcs;
486 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
487
488 dev->mode_config.min_width = 0;
489 dev->mode_config.min_height = 0;
490 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
491 dev->mode_config.max_width = 2048;
492 dev->mode_config.max_height = 2048;
493 } else
494 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
495 dev->mode_config.max_width = 4096;
496 dev->mode_config.max_height = 4096;
497 } else
498 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
499 dev->mode_config.max_width = 8192;
500 dev->mode_config.max_height = 8192;
501 } else {
502 dev->mode_config.max_width = 16384;
503 dev->mode_config.max_height = 16384;
504 }
505
506 dev->mode_config.preferred_depth = 24;
507 dev->mode_config.prefer_shadow = 1;
508
509 if (drm->client.device.info.chipset < 0x11)
510 dev->mode_config.async_page_flip = false;
511 else
512 dev->mode_config.async_page_flip = true;
513
514 drm_kms_helper_poll_init(dev);
515 drm_kms_helper_poll_disable(dev);
516
517 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
518 static const u16 oclass[] = {
519 GP102_DISP,
520 GP100_DISP,
521 GM200_DISP,
522 GM107_DISP,
523 GK110_DISP,
524 GK104_DISP,
525 GF110_DISP,
526 GT214_DISP,
527 GT206_DISP,
528 GT200_DISP,
529 G82_DISP,
530 NV50_DISP,
531 NV04_DISP,
532 };
533 int i;
534
535 for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) {
536 ret = nvif_object_init(&drm->client.device.object, 0,
537 oclass[i], NULL, 0, &disp->disp);
538 }
539
540 if (ret == 0) {
541 nouveau_display_create_properties(dev);
542 if (disp->disp.oclass < NV50_DISP)
543 ret = nv04_display_create(dev);
544 else
545 ret = nv50_display_create(dev);
546 }
547 } else {
548 ret = 0;
549 }
550
551 if (ret)
552 goto disp_create_err;
553
554 drm_mode_config_reset(dev);
555
556 if (dev->mode_config.num_crtc) {
557 ret = nouveau_display_vblank_init(dev);
558 if (ret)
559 goto vblank_err;
560 }
561
562 nouveau_backlight_init(dev);
563 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
564#ifdef CONFIG_ACPI
565 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
566 register_acpi_notifier(&drm->acpi_nb);
567#endif
568
569 return 0;
570
571vblank_err:
572 disp->dtor(dev);
573disp_create_err:
574 drm_kms_helper_poll_fini(dev);
575 drm_mode_config_cleanup(dev);
576 return ret;
577}
578
579void
580nouveau_display_destroy(struct drm_device *dev)
581{
582 struct nouveau_display *disp = nouveau_display(dev);
583
584#ifdef CONFIG_ACPI
585 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb);
586#endif
587 nouveau_backlight_exit(dev);
588 nouveau_display_vblank_fini(dev);
589
590 drm_kms_helper_poll_fini(dev);
591 drm_mode_config_cleanup(dev);
592
593 if (disp->dtor)
594 disp->dtor(dev);
595
596 nvif_object_fini(&disp->disp);
597
598 nouveau_drm(dev)->display = NULL;
599 kfree(disp);
600}
601
602int
603nouveau_display_suspend(struct drm_device *dev, bool runtime)
604{
605 struct nouveau_display *disp = nouveau_display(dev);
606 struct drm_crtc *crtc;
607
608 if (drm_drv_uses_atomic_modeset(dev)) {
609 if (!runtime) {
610 disp->suspend = drm_atomic_helper_suspend(dev);
611 if (IS_ERR(disp->suspend)) {
612 int ret = PTR_ERR(disp->suspend);
613 disp->suspend = NULL;
614 return ret;
615 }
616 }
617
618 nouveau_display_fini(dev, true);
619 return 0;
620 }
621
622 nouveau_display_fini(dev, true);
623
624 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
625 struct nouveau_framebuffer *nouveau_fb;
626
627 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
628 if (!nouveau_fb || !nouveau_fb->nvbo)
629 continue;
630
631 nouveau_bo_unpin(nouveau_fb->nvbo);
632 }
633
634 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
635 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
636 if (nv_crtc->cursor.nvbo) {
637 if (nv_crtc->cursor.set_offset)
638 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
639 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
640 }
641 }
642
643 return 0;
644}
645
646void
647nouveau_display_resume(struct drm_device *dev, bool runtime)
648{
649 struct nouveau_display *disp = nouveau_display(dev);
650 struct nouveau_drm *drm = nouveau_drm(dev);
651 struct drm_crtc *crtc;
652 int ret;
653
654 if (drm_drv_uses_atomic_modeset(dev)) {
655 nouveau_display_init(dev);
656 if (disp->suspend) {
657 drm_atomic_helper_resume(dev, disp->suspend);
658 disp->suspend = NULL;
659 }
660 return;
661 }
662
663
664 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
665 struct nouveau_framebuffer *nouveau_fb;
666
667 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
668 if (!nouveau_fb || !nouveau_fb->nvbo)
669 continue;
670
671 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true);
672 if (ret)
673 NV_ERROR(drm, "Could not pin framebuffer\n");
674 }
675
676 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
677 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
678 if (!nv_crtc->cursor.nvbo)
679 continue;
680
681 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true);
682 if (!ret && nv_crtc->cursor.set_offset)
683 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
684 if (ret)
685 NV_ERROR(drm, "Could not pin/map cursor.\n");
686 }
687
688 nouveau_display_init(dev);
689
690
691 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
692 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
693
694 nv_crtc->lut.depth = 0;
695 }
696
697
698
699
700
701 if (runtime)
702 return;
703
704 drm_helper_resume_force_mode(dev);
705
706 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
707 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
708
709 if (!nv_crtc->cursor.nvbo)
710 continue;
711
712 if (nv_crtc->cursor.set_offset)
713 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset);
714 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
715 nv_crtc->cursor_saved_y);
716 }
717}
718
719static int
720nouveau_page_flip_emit(struct nouveau_channel *chan,
721 struct nouveau_bo *old_bo,
722 struct nouveau_bo *new_bo,
723 struct nouveau_page_flip_state *s,
724 struct nouveau_fence **pfence)
725{
726 struct nouveau_fence_chan *fctx = chan->fence;
727 struct nouveau_drm *drm = chan->drm;
728 struct drm_device *dev = drm->dev;
729 unsigned long flags;
730 int ret;
731
732
733 spin_lock_irqsave(&dev->event_lock, flags);
734 list_add_tail(&s->head, &fctx->flip);
735 spin_unlock_irqrestore(&dev->event_lock, flags);
736
737
738 ret = nouveau_fence_sync(old_bo, chan, false, false);
739 if (ret)
740 goto fail;
741
742
743 ret = RING_SPACE(chan, 2);
744 if (ret)
745 goto fail;
746
747 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
748 OUT_RING (chan, 0x00000000);
749 FIRE_RING (chan);
750
751 ret = nouveau_fence_new(chan, false, pfence);
752 if (ret)
753 goto fail;
754
755 return 0;
756fail:
757 spin_lock_irqsave(&dev->event_lock, flags);
758 list_del(&s->head);
759 spin_unlock_irqrestore(&dev->event_lock, flags);
760 return ret;
761}
762
763int
764nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
765 struct drm_pending_vblank_event *event, u32 flags,
766 struct drm_modeset_acquire_ctx *ctx)
767{
768 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
769 struct drm_device *dev = crtc->dev;
770 struct nouveau_drm *drm = nouveau_drm(dev);
771 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo;
772 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
773 struct nouveau_page_flip_state *s;
774 struct nouveau_channel *chan;
775 struct nouveau_cli *cli;
776 struct nouveau_fence *fence;
777 struct nv04_display *dispnv04 = nv04_display(dev);
778 int head = nouveau_crtc(crtc)->index;
779 int ret;
780
781 chan = drm->channel;
782 if (!chan)
783 return -ENODEV;
784 cli = (void *)chan->user.client;
785
786 s = kzalloc(sizeof(*s), GFP_KERNEL);
787 if (!s)
788 return -ENOMEM;
789
790 if (new_bo != old_bo) {
791 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true);
792 if (ret)
793 goto fail_free;
794 }
795
796 mutex_lock(&cli->mutex);
797 ret = ttm_bo_reserve(&new_bo->bo, true, false, NULL);
798 if (ret)
799 goto fail_unpin;
800
801
802 ret = nouveau_fence_sync(new_bo, chan, false, true);
803 if (ret) {
804 ttm_bo_unreserve(&new_bo->bo);
805 goto fail_unpin;
806 }
807
808 if (new_bo != old_bo) {
809 ttm_bo_unreserve(&new_bo->bo);
810
811 ret = ttm_bo_reserve(&old_bo->bo, true, false, NULL);
812 if (ret)
813 goto fail_unpin;
814 }
815
816
817 *s = (struct nouveau_page_flip_state)
818 { { }, event, crtc, fb->format->cpp[0] * 8, fb->pitches[0],
819 new_bo->bo.offset };
820
821
822 drm_crtc_vblank_get(crtc);
823
824
825 if (swap_interval) {
826 ret = RING_SPACE(chan, 8);
827 if (ret)
828 goto fail_unreserve;
829
830 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1);
831 OUT_RING (chan, 0);
832 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1);
833 OUT_RING (chan, head);
834 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1);
835 OUT_RING (chan, 0);
836 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1);
837 OUT_RING (chan, 0);
838 }
839
840 nouveau_bo_ref(new_bo, &dispnv04->image[head]);
841
842 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
843 if (ret)
844 goto fail_unreserve;
845 mutex_unlock(&cli->mutex);
846
847
848 crtc->primary->fb = fb;
849
850 nouveau_bo_fence(old_bo, fence, false);
851 ttm_bo_unreserve(&old_bo->bo);
852 if (old_bo != new_bo)
853 nouveau_bo_unpin(old_bo);
854 nouveau_fence_unref(&fence);
855 return 0;
856
857fail_unreserve:
858 drm_crtc_vblank_put(crtc);
859 ttm_bo_unreserve(&old_bo->bo);
860fail_unpin:
861 mutex_unlock(&cli->mutex);
862 if (old_bo != new_bo)
863 nouveau_bo_unpin(new_bo);
864fail_free:
865 kfree(s);
866 return ret;
867}
868
869int
870nouveau_finish_page_flip(struct nouveau_channel *chan,
871 struct nouveau_page_flip_state *ps)
872{
873 struct nouveau_fence_chan *fctx = chan->fence;
874 struct nouveau_drm *drm = chan->drm;
875 struct drm_device *dev = drm->dev;
876 struct nouveau_page_flip_state *s;
877 unsigned long flags;
878
879 spin_lock_irqsave(&dev->event_lock, flags);
880
881 if (list_empty(&fctx->flip)) {
882 NV_ERROR(drm, "unexpected pageflip\n");
883 spin_unlock_irqrestore(&dev->event_lock, flags);
884 return -EINVAL;
885 }
886
887 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
888 if (s->event) {
889 drm_crtc_arm_vblank_event(s->crtc, s->event);
890 } else {
891
892 drm_crtc_vblank_put(s->crtc);
893 }
894
895 list_del(&s->head);
896 if (ps)
897 *ps = *s;
898 kfree(s);
899
900 spin_unlock_irqrestore(&dev->event_lock, flags);
901 return 0;
902}
903
904int
905nouveau_flip_complete(struct nvif_notify *notify)
906{
907 struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip);
908 struct nouveau_channel *chan = drm->channel;
909 struct nouveau_page_flip_state state;
910
911 if (!nouveau_finish_page_flip(chan, &state)) {
912 nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc),
913 state.offset + state.crtc->y *
914 state.pitch + state.crtc->x *
915 state.bpp / 8);
916 }
917
918 return NVIF_NOTIFY_KEEP;
919}
920
921int
922nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
923 struct drm_mode_create_dumb *args)
924{
925 struct nouveau_cli *cli = nouveau_cli(file_priv);
926 struct nouveau_bo *bo;
927 uint32_t domain;
928 int ret;
929
930 args->pitch = roundup(args->width * (args->bpp / 8), 256);
931 args->size = args->pitch * args->height;
932 args->size = roundup(args->size, PAGE_SIZE);
933
934
935 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
936 domain = NOUVEAU_GEM_DOMAIN_VRAM;
937 else
938 domain = NOUVEAU_GEM_DOMAIN_GART;
939
940 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
941 if (ret)
942 return ret;
943
944 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle);
945 drm_gem_object_unreference_unlocked(&bo->gem);
946 return ret;
947}
948
949int
950nouveau_display_dumb_map_offset(struct drm_file *file_priv,
951 struct drm_device *dev,
952 uint32_t handle, uint64_t *poffset)
953{
954 struct drm_gem_object *gem;
955
956 gem = drm_gem_object_lookup(file_priv, handle);
957 if (gem) {
958 struct nouveau_bo *bo = nouveau_gem_object(gem);
959 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node);
960 drm_gem_object_unreference_unlocked(gem);
961 return 0;
962 }
963
964 return -ENOENT;
965}
966
