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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#include <drm/drm_fb_helper.h>
33
34#include <nvif/class.h>
35
36#include "nouveau_fbcon.h"
37#include "dispnv04/hw.h"
38#include "nouveau_crtc.h"
39#include "nouveau_dma.h"
40#include "nouveau_gem.h"
41#include "nouveau_connector.h"
42#include "nv50_display.h"
43
44#include "nouveau_fence.h"
45
46#include <nvif/cl0046.h>
47#include <nvif/event.h>
48
49static int
50nouveau_display_vblank_handler(struct nvif_notify *notify)
51{
52 struct nouveau_crtc *nv_crtc =
53 container_of(notify, typeof(*nv_crtc), vblank);
54 drm_crtc_handle_vblank(&nv_crtc->base);
55 return NVIF_NOTIFY_KEEP;
56}
57
58int
59nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe)
60{
61 struct drm_crtc *crtc;
62 struct nouveau_crtc *nv_crtc;
63
64 crtc = drm_crtc_from_index(dev, pipe);
65 if (!crtc)
66 return -EINVAL;
67
68 nv_crtc = nouveau_crtc(crtc);
69 nvif_notify_get(&nv_crtc->vblank);
70
71 return 0;
72}
73
74void
75nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe)
76{
77 struct drm_crtc *crtc;
78 struct nouveau_crtc *nv_crtc;
79
80 crtc = drm_crtc_from_index(dev, pipe);
81 if (!crtc)
82 return;
83
84 nv_crtc = nouveau_crtc(crtc);
85 nvif_notify_put(&nv_crtc->vblank);
86}
87
88static inline int
89calc(int blanks, int blanke, int total, int line)
90{
91 if (blanke >= blanks) {
92 if (line >= blanks)
93 line -= total;
94 } else {
95 if (line >= blanks)
96 line -= total;
97 line -= blanke + 1;
98 }
99 return line;
100}
101
102static bool
103nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
104 ktime_t *stime, ktime_t *etime)
105{
106 struct {
107 struct nv04_disp_mthd_v0 base;
108 struct nv04_disp_scanoutpos_v0 scan;
109 } args = {
110 .base.method = NV04_DISP_SCANOUTPOS,
111 .base.head = nouveau_crtc(crtc)->index,
112 };
113 struct nouveau_display *disp = nouveau_display(crtc->dev);
114 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
115 int retry = 20;
116 bool ret = false;
117
118 do {
119 ret = nvif_mthd(&disp->disp.object, 0, &args, sizeof(args));
120 if (ret != 0)
121 return false;
122
123 if (args.scan.vline) {
124 ret = true;
125 break;
126 }
127
128 if (retry) ndelay(vblank->linedur_ns);
129 } while (retry--);
130
131 *hpos = args.scan.hline;
132 *vpos = calc(args.scan.vblanks, args.scan.vblanke,
133 args.scan.vtotal, args.scan.vline);
134 if (stime) *stime = ns_to_ktime(args.scan.time[0]);
135 if (etime) *etime = ns_to_ktime(args.scan.time[1]);
136
137 return ret;
138}
139
140bool
141nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe,
142 bool in_vblank_irq, int *vpos, int *hpos,
143 ktime_t *stime, ktime_t *etime,
144 const struct drm_display_mode *mode)
145{
146 struct drm_crtc *crtc;
147
148 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
149 if (nouveau_crtc(crtc)->index == pipe) {
150 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
151 stime, etime);
152 }
153 }
154
155 return false;
156}
157
158static void
159nouveau_display_vblank_fini(struct drm_device *dev)
160{
161 struct drm_crtc *crtc;
162
163 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
164 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
165 nvif_notify_fini(&nv_crtc->vblank);
166 }
167}
168
169static int
170nouveau_display_vblank_init(struct drm_device *dev)
171{
172 struct nouveau_display *disp = nouveau_display(dev);
173 struct drm_crtc *crtc;
174 int ret;
175
176 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
177 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
178 ret = nvif_notify_init(&disp->disp.object,
179 nouveau_display_vblank_handler, false,
180 NV04_DISP_NTFY_VBLANK,
181 &(struct nvif_notify_head_req_v0) {
182 .head = nv_crtc->index,
183 },
184 sizeof(struct nvif_notify_head_req_v0),
185 sizeof(struct nvif_notify_head_rep_v0),
186 &nv_crtc->vblank);
187 if (ret) {
188 nouveau_display_vblank_fini(dev);
189 return ret;
190 }
191 }
192
193 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
194 if (ret) {
195 nouveau_display_vblank_fini(dev);
196 return ret;
197 }
198
199 return 0;
200}
201
202static void
203nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
204{
205 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
206
207 if (fb->nvbo)
208 drm_gem_object_put_unlocked(&fb->nvbo->gem);
209
210 drm_framebuffer_cleanup(drm_fb);
211 kfree(fb);
212}
213
214static int
215nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
216 struct drm_file *file_priv,
217 unsigned int *handle)
218{
219 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
220
221 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle);
222}
223
224static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
225 .destroy = nouveau_user_framebuffer_destroy,
226 .create_handle = nouveau_user_framebuffer_create_handle,
227};
228
229int
230nouveau_framebuffer_new(struct drm_device *dev,
231 const struct drm_mode_fb_cmd2 *mode_cmd,
232 struct nouveau_bo *nvbo,
233 struct nouveau_framebuffer **pfb)
234{
235 struct nouveau_drm *drm = nouveau_drm(dev);
236 struct nouveau_framebuffer *fb;
237 int ret;
238
239
240 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA &&
241
242 (mode_cmd->pixel_format == DRM_FORMAT_YUYV ||
243 mode_cmd->pixel_format == DRM_FORMAT_UYVY ||
244 mode_cmd->pixel_format == DRM_FORMAT_NV12 ||
245 mode_cmd->pixel_format == DRM_FORMAT_NV21) &&
246 (mode_cmd->pitches[0] & 0x3f ||
247 mode_cmd->pitches[0] >= 0x10000 ||
248 (mode_cmd->pitches[1] &&
249 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) {
250 struct drm_format_name_buf format_name;
251 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n",
252 drm_get_format_name(mode_cmd->pixel_format,
253 &format_name),
254 mode_cmd->pitches[0],
255 mode_cmd->pitches[1]);
256 return -EINVAL;
257 }
258
259 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
260 return -ENOMEM;
261
262 drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd);
263 fb->nvbo = nvbo;
264
265 ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
266 if (ret)
267 kfree(fb);
268 return ret;
269}
270
271struct drm_framebuffer *
272nouveau_user_framebuffer_create(struct drm_device *dev,
273 struct drm_file *file_priv,
274 const struct drm_mode_fb_cmd2 *mode_cmd)
275{
276 struct nouveau_framebuffer *fb;
277 struct nouveau_bo *nvbo;
278 struct drm_gem_object *gem;
279 int ret;
280
281 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
282 if (!gem)
283 return ERR_PTR(-ENOENT);
284 nvbo = nouveau_gem_object(gem);
285
286 ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb);
287 if (ret == 0)
288 return &fb->base;
289
290 drm_gem_object_put_unlocked(gem);
291 return ERR_PTR(ret);
292}
293
294static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
295 .fb_create = nouveau_user_framebuffer_create,
296 .output_poll_changed = nouveau_fbcon_output_poll_changed,
297};
298
299
300struct nouveau_drm_prop_enum_list {
301 u8 gen_mask;
302 int type;
303 char *name;
304};
305
306static struct nouveau_drm_prop_enum_list underscan[] = {
307 { 6, UNDERSCAN_AUTO, "auto" },
308 { 6, UNDERSCAN_OFF, "off" },
309 { 6, UNDERSCAN_ON, "on" },
310 {}
311};
312
313static struct nouveau_drm_prop_enum_list dither_mode[] = {
314 { 7, DITHERING_MODE_AUTO, "auto" },
315 { 7, DITHERING_MODE_OFF, "off" },
316 { 1, DITHERING_MODE_ON, "on" },
317 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
318 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
319 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
320 {}
321};
322
323static struct nouveau_drm_prop_enum_list dither_depth[] = {
324 { 6, DITHERING_DEPTH_AUTO, "auto" },
325 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
326 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
327 {}
328};
329
330#define PROP_ENUM(p,gen,n,list) do { \
331 struct nouveau_drm_prop_enum_list *l = (list); \
332 int c = 0; \
333 while (l->gen_mask) { \
334 if (l->gen_mask & (1 << (gen))) \
335 c++; \
336 l++; \
337 } \
338 if (c) { \
339 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
340 l = (list); \
341 while (p && l->gen_mask) { \
342 if (l->gen_mask & (1 << (gen))) { \
343 drm_property_add_enum(p, l->type, l->name); \
344 } \
345 l++; \
346 } \
347 } \
348} while(0)
349
350static void
351nouveau_display_hpd_work(struct work_struct *work)
352{
353 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
354
355 pm_runtime_get_sync(drm->dev->dev);
356
357 drm_helper_hpd_irq_event(drm->dev);
358
359 pm_runtime_mark_last_busy(drm->dev->dev);
360 pm_runtime_put_sync(drm->dev->dev);
361}
362
363#ifdef CONFIG_ACPI
364
365
366
367
368
369
370#ifndef ACPI_VIDEO_NOTIFY_PROBE
371#define ACPI_VIDEO_NOTIFY_PROBE 0x81
372#endif
373
374static int
375nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
376 void *data)
377{
378 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
379 struct acpi_bus_event *info = data;
380 int ret;
381
382 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
383 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
384 ret = pm_runtime_get(drm->dev->dev);
385 if (ret == 1 || ret == -EACCES) {
386
387
388
389
390 pm_runtime_put_autosuspend(drm->dev->dev);
391 } else if (ret == 0) {
392
393
394
395
396 NV_DEBUG(drm, "ACPI requested connector reprobe\n");
397 schedule_work(&drm->hpd_work);
398 pm_runtime_put_noidle(drm->dev->dev);
399 } else {
400 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n",
401 ret);
402 }
403
404
405 return NOTIFY_BAD;
406 }
407 }
408
409 return NOTIFY_DONE;
410}
411#endif
412
413int
414nouveau_display_init(struct drm_device *dev)
415{
416 struct nouveau_display *disp = nouveau_display(dev);
417 struct nouveau_drm *drm = nouveau_drm(dev);
418 struct drm_connector *connector;
419 struct drm_connector_list_iter conn_iter;
420 int ret;
421
422 ret = disp->init(dev);
423 if (ret)
424 return ret;
425
426
427
428
429 drm_kms_helper_poll_enable(dev);
430
431
432 drm_connector_list_iter_begin(dev, &conn_iter);
433 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
434 struct nouveau_connector *conn = nouveau_connector(connector);
435 nvif_notify_get(&conn->hpd);
436 }
437 drm_connector_list_iter_end(&conn_iter);
438
439
440 nvif_notify_get(&drm->flip);
441 return ret;
442}
443
444void
445nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
446{
447 struct nouveau_display *disp = nouveau_display(dev);
448 struct nouveau_drm *drm = nouveau_drm(dev);
449 struct drm_connector *connector;
450 struct drm_connector_list_iter conn_iter;
451
452 if (!suspend) {
453 if (drm_drv_uses_atomic_modeset(dev))
454 drm_atomic_helper_shutdown(dev);
455 else
456 drm_crtc_force_disable_all(dev);
457 }
458
459
460 nvif_notify_put(&drm->flip);
461
462
463 drm_connector_list_iter_begin(dev, &conn_iter);
464 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
465 struct nouveau_connector *conn = nouveau_connector(connector);
466 nvif_notify_put(&conn->hpd);
467 }
468 drm_connector_list_iter_end(&conn_iter);
469
470 if (!runtime)
471 cancel_work_sync(&drm->hpd_work);
472
473 drm_kms_helper_poll_disable(dev);
474 disp->fini(dev);
475}
476
477static void
478nouveau_display_create_properties(struct drm_device *dev)
479{
480 struct nouveau_display *disp = nouveau_display(dev);
481 int gen;
482
483 if (disp->disp.object.oclass < NV50_DISP)
484 gen = 0;
485 else
486 if (disp->disp.object.oclass < GF110_DISP)
487 gen = 1;
488 else
489 gen = 2;
490
491 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
492 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
493 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
494
495 disp->underscan_hborder_property =
496 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
497
498 disp->underscan_vborder_property =
499 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
500
501 if (gen < 1)
502 return;
503
504
505 disp->vibrant_hue_property =
506 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
507
508
509 disp->color_vibrance_property =
510 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
511}
512
513int
514nouveau_display_create(struct drm_device *dev)
515{
516 struct nouveau_drm *drm = nouveau_drm(dev);
517 struct nvkm_device *device = nvxx_device(&drm->client.device);
518 struct nouveau_display *disp;
519 int ret;
520
521 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
522 if (!disp)
523 return -ENOMEM;
524
525 drm_mode_config_init(dev);
526 drm_mode_create_scaling_mode_property(dev);
527 drm_mode_create_dvi_i_properties(dev);
528
529 dev->mode_config.funcs = &nouveau_mode_config_funcs;
530 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
531
532 dev->mode_config.min_width = 0;
533 dev->mode_config.min_height = 0;
534 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
535 dev->mode_config.max_width = 2048;
536 dev->mode_config.max_height = 2048;
537 } else
538 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
539 dev->mode_config.max_width = 4096;
540 dev->mode_config.max_height = 4096;
541 } else
542 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
543 dev->mode_config.max_width = 8192;
544 dev->mode_config.max_height = 8192;
545 } else {
546 dev->mode_config.max_width = 16384;
547 dev->mode_config.max_height = 16384;
548 }
549
550 dev->mode_config.preferred_depth = 24;
551 dev->mode_config.prefer_shadow = 1;
552
553 if (drm->client.device.info.chipset < 0x11)
554 dev->mode_config.async_page_flip = false;
555 else
556 dev->mode_config.async_page_flip = true;
557
558 drm_kms_helper_poll_init(dev);
559 drm_kms_helper_poll_disable(dev);
560
561 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
562 ret = nvif_disp_ctor(&drm->client.device, 0, &disp->disp);
563 if (ret == 0) {
564 nouveau_display_create_properties(dev);
565 if (disp->disp.object.oclass < NV50_DISP)
566 ret = nv04_display_create(dev);
567 else
568 ret = nv50_display_create(dev);
569 }
570 } else {
571 ret = 0;
572 }
573
574 if (ret)
575 goto disp_create_err;
576
577 drm_mode_config_reset(dev);
578
579 if (dev->mode_config.num_crtc) {
580 ret = nouveau_display_vblank_init(dev);
581 if (ret)
582 goto vblank_err;
583 }
584
585 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
586#ifdef CONFIG_ACPI
587 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
588 register_acpi_notifier(&drm->acpi_nb);
589#endif
590
591 return 0;
592
593vblank_err:
594 disp->dtor(dev);
595disp_create_err:
596 drm_kms_helper_poll_fini(dev);
597 drm_mode_config_cleanup(dev);
598 return ret;
599}
600
601void
602nouveau_display_destroy(struct drm_device *dev)
603{
604 struct nouveau_display *disp = nouveau_display(dev);
605
606#ifdef CONFIG_ACPI
607 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb);
608#endif
609 nouveau_display_vblank_fini(dev);
610
611 drm_kms_helper_poll_fini(dev);
612 drm_mode_config_cleanup(dev);
613
614 if (disp->dtor)
615 disp->dtor(dev);
616
617 nvif_disp_dtor(&disp->disp);
618
619 nouveau_drm(dev)->display = NULL;
620 kfree(disp);
621}
622
623int
624nouveau_display_suspend(struct drm_device *dev, bool runtime)
625{
626 struct nouveau_display *disp = nouveau_display(dev);
627 struct drm_crtc *crtc;
628
629 if (drm_drv_uses_atomic_modeset(dev)) {
630 if (!runtime) {
631 disp->suspend = drm_atomic_helper_suspend(dev);
632 if (IS_ERR(disp->suspend)) {
633 int ret = PTR_ERR(disp->suspend);
634 disp->suspend = NULL;
635 return ret;
636 }
637 }
638
639 nouveau_display_fini(dev, true, runtime);
640 return 0;
641 }
642
643 nouveau_display_fini(dev, true, runtime);
644
645 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
646 struct nouveau_framebuffer *nouveau_fb;
647
648 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
649 if (!nouveau_fb || !nouveau_fb->nvbo)
650 continue;
651
652 nouveau_bo_unpin(nouveau_fb->nvbo);
653 }
654
655 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
656 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
657 if (nv_crtc->cursor.nvbo) {
658 if (nv_crtc->cursor.set_offset)
659 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
660 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
661 }
662 }
663
664 return 0;
665}
666
667void
668nouveau_display_resume(struct drm_device *dev, bool runtime)
669{
670 struct nouveau_display *disp = nouveau_display(dev);
671 struct nouveau_drm *drm = nouveau_drm(dev);
672 struct drm_crtc *crtc;
673 int ret;
674
675 if (drm_drv_uses_atomic_modeset(dev)) {
676 nouveau_display_init(dev);
677 if (disp->suspend) {
678 drm_atomic_helper_resume(dev, disp->suspend);
679 disp->suspend = NULL;
680 }
681 return;
682 }
683
684
685 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
686 struct nouveau_framebuffer *nouveau_fb;
687
688 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
689 if (!nouveau_fb || !nouveau_fb->nvbo)
690 continue;
691
692 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true);
693 if (ret)
694 NV_ERROR(drm, "Could not pin framebuffer\n");
695 }
696
697 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
698 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
699 if (!nv_crtc->cursor.nvbo)
700 continue;
701
702 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true);
703 if (!ret && nv_crtc->cursor.set_offset)
704 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
705 if (ret)
706 NV_ERROR(drm, "Could not pin/map cursor.\n");
707 }
708
709 nouveau_display_init(dev);
710
711
712 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
713 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
714
715 nv_crtc->lut.depth = 0;
716 }
717
718
719
720
721
722 if (runtime)
723 return;
724
725 drm_helper_resume_force_mode(dev);
726
727 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
728 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
729
730 if (!nv_crtc->cursor.nvbo)
731 continue;
732
733 if (nv_crtc->cursor.set_offset)
734 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset);
735 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
736 nv_crtc->cursor_saved_y);
737 }
738}
739
740static int
741nouveau_page_flip_emit(struct nouveau_channel *chan,
742 struct nouveau_bo *old_bo,
743 struct nouveau_bo *new_bo,
744 struct nouveau_page_flip_state *s,
745 struct nouveau_fence **pfence)
746{
747 struct nouveau_fence_chan *fctx = chan->fence;
748 struct nouveau_drm *drm = chan->drm;
749 struct drm_device *dev = drm->dev;
750 unsigned long flags;
751 int ret;
752
753
754 spin_lock_irqsave(&dev->event_lock, flags);
755 list_add_tail(&s->head, &fctx->flip);
756 spin_unlock_irqrestore(&dev->event_lock, flags);
757
758
759 ret = nouveau_fence_sync(old_bo, chan, false, false);
760 if (ret)
761 goto fail;
762
763
764 ret = RING_SPACE(chan, 2);
765 if (ret)
766 goto fail;
767
768 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
769 OUT_RING (chan, 0x00000000);
770 FIRE_RING (chan);
771
772 ret = nouveau_fence_new(chan, false, pfence);
773 if (ret)
774 goto fail;
775
776 return 0;
777fail:
778 spin_lock_irqsave(&dev->event_lock, flags);
779 list_del(&s->head);
780 spin_unlock_irqrestore(&dev->event_lock, flags);
781 return ret;
782}
783
784int
785nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
786 struct drm_pending_vblank_event *event, u32 flags,
787 struct drm_modeset_acquire_ctx *ctx)
788{
789 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
790 struct drm_device *dev = crtc->dev;
791 struct nouveau_drm *drm = nouveau_drm(dev);
792 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo;
793 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
794 struct nouveau_page_flip_state *s;
795 struct nouveau_channel *chan;
796 struct nouveau_cli *cli;
797 struct nouveau_fence *fence;
798 struct nv04_display *dispnv04 = nv04_display(dev);
799 int head = nouveau_crtc(crtc)->index;
800 int ret;
801
802 chan = drm->channel;
803 if (!chan)
804 return -ENODEV;
805 cli = (void *)chan->user.client;
806
807 s = kzalloc(sizeof(*s), GFP_KERNEL);
808 if (!s)
809 return -ENOMEM;
810
811 if (new_bo != old_bo) {
812 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true);
813 if (ret)
814 goto fail_free;
815 }
816
817 mutex_lock(&cli->mutex);
818 ret = ttm_bo_reserve(&new_bo->bo, true, false, NULL);
819 if (ret)
820 goto fail_unpin;
821
822
823 ret = nouveau_fence_sync(new_bo, chan, false, true);
824 if (ret) {
825 ttm_bo_unreserve(&new_bo->bo);
826 goto fail_unpin;
827 }
828
829 if (new_bo != old_bo) {
830 ttm_bo_unreserve(&new_bo->bo);
831
832 ret = ttm_bo_reserve(&old_bo->bo, true, false, NULL);
833 if (ret)
834 goto fail_unpin;
835 }
836
837
838 *s = (struct nouveau_page_flip_state)
839 { { }, event, crtc, fb->format->cpp[0] * 8, fb->pitches[0],
840 new_bo->bo.offset };
841
842
843 drm_crtc_vblank_get(crtc);
844
845
846 if (swap_interval) {
847 ret = RING_SPACE(chan, 8);
848 if (ret)
849 goto fail_unreserve;
850
851 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1);
852 OUT_RING (chan, 0);
853 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1);
854 OUT_RING (chan, head);
855 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1);
856 OUT_RING (chan, 0);
857 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1);
858 OUT_RING (chan, 0);
859 }
860
861 nouveau_bo_ref(new_bo, &dispnv04->image[head]);
862
863 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
864 if (ret)
865 goto fail_unreserve;
866 mutex_unlock(&cli->mutex);
867
868
869 crtc->primary->fb = fb;
870
871 nouveau_bo_fence(old_bo, fence, false);
872 ttm_bo_unreserve(&old_bo->bo);
873 if (old_bo != new_bo)
874 nouveau_bo_unpin(old_bo);
875 nouveau_fence_unref(&fence);
876 return 0;
877
878fail_unreserve:
879 drm_crtc_vblank_put(crtc);
880 ttm_bo_unreserve(&old_bo->bo);
881fail_unpin:
882 mutex_unlock(&cli->mutex);
883 if (old_bo != new_bo)
884 nouveau_bo_unpin(new_bo);
885fail_free:
886 kfree(s);
887 return ret;
888}
889
890int
891nouveau_finish_page_flip(struct nouveau_channel *chan,
892 struct nouveau_page_flip_state *ps)
893{
894 struct nouveau_fence_chan *fctx = chan->fence;
895 struct nouveau_drm *drm = chan->drm;
896 struct drm_device *dev = drm->dev;
897 struct nouveau_page_flip_state *s;
898 unsigned long flags;
899
900 spin_lock_irqsave(&dev->event_lock, flags);
901
902 if (list_empty(&fctx->flip)) {
903 NV_ERROR(drm, "unexpected pageflip\n");
904 spin_unlock_irqrestore(&dev->event_lock, flags);
905 return -EINVAL;
906 }
907
908 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
909 if (s->event) {
910 drm_crtc_arm_vblank_event(s->crtc, s->event);
911 } else {
912
913 drm_crtc_vblank_put(s->crtc);
914 }
915
916 list_del(&s->head);
917 if (ps)
918 *ps = *s;
919 kfree(s);
920
921 spin_unlock_irqrestore(&dev->event_lock, flags);
922 return 0;
923}
924
925int
926nouveau_flip_complete(struct nvif_notify *notify)
927{
928 struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip);
929 struct nouveau_channel *chan = drm->channel;
930 struct nouveau_page_flip_state state;
931
932 if (!nouveau_finish_page_flip(chan, &state)) {
933 nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc),
934 state.offset + state.crtc->y *
935 state.pitch + state.crtc->x *
936 state.bpp / 8);
937 }
938
939 return NVIF_NOTIFY_KEEP;
940}
941
942int
943nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
944 struct drm_mode_create_dumb *args)
945{
946 struct nouveau_cli *cli = nouveau_cli(file_priv);
947 struct nouveau_bo *bo;
948 uint32_t domain;
949 int ret;
950
951 args->pitch = roundup(args->width * (args->bpp / 8), 256);
952 args->size = args->pitch * args->height;
953 args->size = roundup(args->size, PAGE_SIZE);
954
955
956 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
957 domain = NOUVEAU_GEM_DOMAIN_VRAM;
958 else
959 domain = NOUVEAU_GEM_DOMAIN_GART;
960
961 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
962 if (ret)
963 return ret;
964
965 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle);
966 drm_gem_object_put_unlocked(&bo->gem);
967 return ret;
968}
969
970int
971nouveau_display_dumb_map_offset(struct drm_file *file_priv,
972 struct drm_device *dev,
973 uint32_t handle, uint64_t *poffset)
974{
975 struct drm_gem_object *gem;
976
977 gem = drm_gem_object_lookup(file_priv, handle);
978 if (gem) {
979 struct nouveau_bo *bo = nouveau_gem_object(gem);
980 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node);
981 drm_gem_object_put_unlocked(gem);
982 return 0;
983 }
984
985 return -ENOENT;
986}
987
