2 * Copyright (C) 2008 Maarten Maathuis.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include <acpi/video.h>
29 #include <drm/drm_atomic.h>
30 #include <drm/drm_atomic_helper.h>
31 #include <drm/drm_crtc_helper.h>
33 #include <nvif/class.h>
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"
43 #include "nouveau_fence.h"
45 #include <nvif/cl0046.h>
46 #include <nvif/event.h>
49 nouveau_display_vblank_handler(struct nvif_notify *notify)
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;
58 nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe)
60 struct drm_crtc *crtc;
61 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
62 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
63 if (nv_crtc->index == pipe) {
64 nvif_notify_get(&nv_crtc->vblank);
72 nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe)
74 struct drm_crtc *crtc;
75 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
76 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
77 if (nv_crtc->index == pipe) {
78 nvif_notify_put(&nv_crtc->vblank);
85 calc(int blanks, int blanke, int total, int line)
87 if (blanke >= blanks) {
99 nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
100 ktime_t *stime, ktime_t *etime)
103 struct nv04_disp_mthd_v0 base;
104 struct nv04_disp_scanoutpos_v0 scan;
106 .base.method = NV04_DISP_SCANOUTPOS,
107 .base.head = nouveau_crtc(crtc)->index,
109 struct nouveau_display *disp = nouveau_display(crtc->dev);
110 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
114 ret = nvif_mthd(&disp->disp, 0, &args, sizeof(args));
118 if (args.scan.vline) {
119 ret |= DRM_SCANOUTPOS_ACCURATE;
120 ret |= DRM_SCANOUTPOS_VALID;
124 if (retry) ndelay(vblank->linedur_ns);
127 *hpos = args.scan.hline;
128 *vpos = calc(args.scan.vblanks, args.scan.vblanke,
129 args.scan.vtotal, args.scan.vline);
130 if (stime) *stime = ns_to_ktime(args.scan.time[0]);
131 if (etime) *etime = ns_to_ktime(args.scan.time[1]);
134 ret |= DRM_SCANOUTPOS_IN_VBLANK;
139 nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe,
140 unsigned int flags, int *vpos, int *hpos,
141 ktime_t *stime, ktime_t *etime,
142 const struct drm_display_mode *mode)
144 struct drm_crtc *crtc;
146 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
147 if (nouveau_crtc(crtc)->index == pipe) {
148 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
157 nouveau_display_vblstamp(struct drm_device *dev, unsigned int pipe,
158 int *max_error, struct timeval *time, unsigned flags)
160 struct drm_crtc *crtc;
162 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
163 if (nouveau_crtc(crtc)->index == pipe) {
164 struct drm_display_mode *mode;
165 if (dev->mode_config.funcs->atomic_commit)
166 mode = &crtc->state->adjusted_mode;
168 mode = &crtc->hwmode;
169 return drm_calc_vbltimestamp_from_scanoutpos(dev,
170 pipe, max_error, time, flags, mode);
178 nouveau_display_vblank_fini(struct drm_device *dev)
180 struct drm_crtc *crtc;
182 drm_vblank_cleanup(dev);
184 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
185 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
186 nvif_notify_fini(&nv_crtc->vblank);
191 nouveau_display_vblank_init(struct drm_device *dev)
193 struct nouveau_display *disp = nouveau_display(dev);
194 struct drm_crtc *crtc;
197 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
198 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
199 ret = nvif_notify_init(&disp->disp,
200 nouveau_display_vblank_handler, false,
201 NV04_DISP_NTFY_VBLANK,
202 &(struct nvif_notify_head_req_v0) {
203 .head = nv_crtc->index,
205 sizeof(struct nvif_notify_head_req_v0),
206 sizeof(struct nvif_notify_head_rep_v0),
209 nouveau_display_vblank_fini(dev);
214 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
216 nouveau_display_vblank_fini(dev);
224 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
226 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
229 drm_gem_object_unreference_unlocked(&fb->nvbo->gem);
231 drm_framebuffer_cleanup(drm_fb);
236 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
237 struct drm_file *file_priv,
238 unsigned int *handle)
240 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
242 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle);
245 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
246 .destroy = nouveau_user_framebuffer_destroy,
247 .create_handle = nouveau_user_framebuffer_create_handle,
251 nouveau_framebuffer_new(struct drm_device *dev,
252 const struct drm_mode_fb_cmd2 *mode_cmd,
253 struct nouveau_bo *nvbo,
254 struct nouveau_framebuffer **pfb)
256 struct nouveau_framebuffer *fb;
259 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
262 drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd);
265 ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
271 struct drm_framebuffer *
272 nouveau_user_framebuffer_create(struct drm_device *dev,
273 struct drm_file *file_priv,
274 const struct drm_mode_fb_cmd2 *mode_cmd)
276 struct nouveau_framebuffer *fb;
277 struct nouveau_bo *nvbo;
278 struct drm_gem_object *gem;
281 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
283 return ERR_PTR(-ENOENT);
284 nvbo = nouveau_gem_object(gem);
286 ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb);
290 drm_gem_object_unreference_unlocked(gem);
294 static 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,
300 struct nouveau_drm_prop_enum_list {
306 static struct nouveau_drm_prop_enum_list underscan[] = {
307 { 6, UNDERSCAN_AUTO, "auto" },
308 { 6, UNDERSCAN_OFF, "off" },
309 { 6, UNDERSCAN_ON, "on" },
313 static 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" },
323 static 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" },
330 #define PROP_ENUM(p,gen,n,list) do { \
331 struct nouveau_drm_prop_enum_list *l = (list); \
333 while (l->gen_mask) { \
334 if (l->gen_mask & (1 << (gen))) \
339 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
342 while (p && l->gen_mask) { \
343 if (l->gen_mask & (1 << (gen))) { \
344 drm_property_add_enum(p, c, l->type, l->name); \
353 nouveau_display_hpd_work(struct work_struct *work)
355 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
357 pm_runtime_get_sync(drm->dev->dev);
359 drm_helper_hpd_irq_event(drm->dev);
361 pm_runtime_mark_last_busy(drm->dev->dev);
362 pm_runtime_put_sync(drm->dev->dev);
368 * Hans de Goede: This define belongs in acpi/video.h, I've submitted a patch
369 * to the acpi subsys to move it there from drivers/acpi/acpi_video.c .
370 * This should be dropped once that is merged.
372 #ifndef ACPI_VIDEO_NOTIFY_PROBE
373 #define ACPI_VIDEO_NOTIFY_PROBE 0x81
377 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
380 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
381 struct acpi_bus_event *info = data;
383 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
384 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
386 * This may be the only indication we receive of a
387 * connector hotplug on a runtime suspended GPU,
388 * schedule hpd_work to check.
390 schedule_work(&drm->hpd_work);
392 /* acpi-video should not generate keypresses for this */
402 nouveau_display_init(struct drm_device *dev)
404 struct nouveau_display *disp = nouveau_display(dev);
405 struct nouveau_drm *drm = nouveau_drm(dev);
406 struct drm_connector *connector;
409 ret = disp->init(dev);
413 /* enable polling for external displays */
414 if (!dev->mode_config.poll_enabled)
415 drm_kms_helper_poll_enable(dev);
417 /* enable hotplug interrupts */
418 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
419 struct nouveau_connector *conn = nouveau_connector(connector);
420 nvif_notify_get(&conn->hpd);
423 /* enable flip completion events */
424 nvif_notify_get(&drm->flip);
429 nouveau_display_fini(struct drm_device *dev, bool suspend)
431 struct nouveau_display *disp = nouveau_display(dev);
432 struct nouveau_drm *drm = nouveau_drm(dev);
433 struct drm_connector *connector;
434 struct drm_crtc *crtc;
437 drm_crtc_force_disable_all(dev);
439 /* Make sure that drm and hw vblank irqs get properly disabled. */
440 drm_for_each_crtc(crtc, dev)
441 drm_crtc_vblank_off(crtc);
443 /* disable flip completion events */
444 nvif_notify_put(&drm->flip);
446 /* disable hotplug interrupts */
447 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
448 struct nouveau_connector *conn = nouveau_connector(connector);
449 nvif_notify_put(&conn->hpd);
452 drm_kms_helper_poll_disable(dev);
457 nouveau_display_create_properties(struct drm_device *dev)
459 struct nouveau_display *disp = nouveau_display(dev);
462 if (disp->disp.oclass < NV50_DISP)
465 if (disp->disp.oclass < GF110_DISP)
470 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
471 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
472 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
474 disp->underscan_hborder_property =
475 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
477 disp->underscan_vborder_property =
478 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
484 disp->vibrant_hue_property =
485 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
488 disp->color_vibrance_property =
489 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
493 nouveau_display_create(struct drm_device *dev)
495 struct nouveau_drm *drm = nouveau_drm(dev);
496 struct nvkm_device *device = nvxx_device(&drm->device);
497 struct nouveau_display *disp;
500 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
504 drm_mode_config_init(dev);
505 drm_mode_create_scaling_mode_property(dev);
506 drm_mode_create_dvi_i_properties(dev);
508 dev->mode_config.funcs = &nouveau_mode_config_funcs;
509 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
511 dev->mode_config.min_width = 0;
512 dev->mode_config.min_height = 0;
513 if (drm->device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
514 dev->mode_config.max_width = 2048;
515 dev->mode_config.max_height = 2048;
517 if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) {
518 dev->mode_config.max_width = 4096;
519 dev->mode_config.max_height = 4096;
521 if (drm->device.info.family < NV_DEVICE_INFO_V0_FERMI) {
522 dev->mode_config.max_width = 8192;
523 dev->mode_config.max_height = 8192;
525 dev->mode_config.max_width = 16384;
526 dev->mode_config.max_height = 16384;
529 dev->mode_config.preferred_depth = 24;
530 dev->mode_config.prefer_shadow = 1;
532 if (drm->device.info.chipset < 0x11)
533 dev->mode_config.async_page_flip = false;
535 dev->mode_config.async_page_flip = true;
537 drm_kms_helper_poll_init(dev);
538 drm_kms_helper_poll_disable(dev);
540 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
541 static const u16 oclass[] = {
558 for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) {
559 ret = nvif_object_init(&drm->device.object, 0,
560 oclass[i], NULL, 0, &disp->disp);
564 nouveau_display_create_properties(dev);
565 if (disp->disp.oclass < NV50_DISP)
566 ret = nv04_display_create(dev);
568 ret = nv50_display_create(dev);
575 goto disp_create_err;
577 drm_mode_config_reset(dev);
579 if (dev->mode_config.num_crtc) {
580 ret = nouveau_display_vblank_init(dev);
585 nouveau_backlight_init(dev);
586 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
588 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
589 register_acpi_notifier(&drm->acpi_nb);
597 drm_kms_helper_poll_fini(dev);
598 drm_mode_config_cleanup(dev);
603 nouveau_display_destroy(struct drm_device *dev)
605 struct nouveau_display *disp = nouveau_display(dev);
608 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb);
610 nouveau_backlight_exit(dev);
611 nouveau_display_vblank_fini(dev);
613 drm_kms_helper_poll_fini(dev);
614 drm_mode_config_cleanup(dev);
619 nvif_object_fini(&disp->disp);
621 nouveau_drm(dev)->display = NULL;
626 nouveau_atomic_disable_connector(struct drm_atomic_state *state,
627 struct drm_connector *connector)
629 struct drm_connector_state *connector_state;
630 struct drm_crtc *crtc;
631 struct drm_crtc_state *crtc_state;
632 struct drm_plane_state *plane_state;
633 struct drm_plane *plane;
636 if (!(crtc = connector->state->crtc))
639 connector_state = drm_atomic_get_connector_state(state, connector);
640 if (IS_ERR(connector_state))
641 return PTR_ERR(connector_state);
643 ret = drm_atomic_set_crtc_for_connector(connector_state, NULL);
647 crtc_state = drm_atomic_get_crtc_state(state, crtc);
648 if (IS_ERR(crtc_state))
649 return PTR_ERR(crtc_state);
651 ret = drm_atomic_set_mode_for_crtc(crtc_state, NULL);
655 crtc_state->active = false;
657 drm_for_each_plane_mask(plane, connector->dev, crtc_state->plane_mask) {
658 plane_state = drm_atomic_get_plane_state(state, plane);
659 if (IS_ERR(plane_state))
660 return PTR_ERR(plane_state);
662 ret = drm_atomic_set_crtc_for_plane(plane_state, NULL);
666 drm_atomic_set_fb_for_plane(plane_state, NULL);
673 nouveau_atomic_disable(struct drm_device *dev,
674 struct drm_modeset_acquire_ctx *ctx)
676 struct drm_atomic_state *state;
677 struct drm_connector *connector;
680 state = drm_atomic_state_alloc(dev);
684 state->acquire_ctx = ctx;
686 drm_for_each_connector(connector, dev) {
687 ret = nouveau_atomic_disable_connector(state, connector);
693 ret = drm_atomic_commit(state);
694 drm_atomic_state_put(state);
698 static struct drm_atomic_state *
699 nouveau_atomic_suspend(struct drm_device *dev)
701 struct drm_modeset_acquire_ctx ctx;
702 struct drm_atomic_state *state;
705 drm_modeset_acquire_init(&ctx, 0);
708 ret = drm_modeset_lock_all_ctx(dev, &ctx);
710 state = ERR_PTR(ret);
714 state = drm_atomic_helper_duplicate_state(dev, &ctx);
718 ret = nouveau_atomic_disable(dev, &ctx);
720 drm_atomic_state_put(state);
721 state = ERR_PTR(ret);
726 if (PTR_ERR(state) == -EDEADLK) {
727 drm_modeset_backoff(&ctx);
731 drm_modeset_drop_locks(&ctx);
732 drm_modeset_acquire_fini(&ctx);
737 nouveau_display_suspend(struct drm_device *dev, bool runtime)
739 struct nouveau_display *disp = nouveau_display(dev);
740 struct drm_crtc *crtc;
742 if (dev->mode_config.funcs->atomic_commit) {
744 disp->suspend = nouveau_atomic_suspend(dev);
745 if (IS_ERR(disp->suspend)) {
746 int ret = PTR_ERR(disp->suspend);
747 disp->suspend = NULL;
752 nouveau_display_fini(dev, true);
756 nouveau_display_fini(dev, true);
758 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
759 struct nouveau_framebuffer *nouveau_fb;
761 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
762 if (!nouveau_fb || !nouveau_fb->nvbo)
765 nouveau_bo_unpin(nouveau_fb->nvbo);
768 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
769 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
770 if (nv_crtc->cursor.nvbo) {
771 if (nv_crtc->cursor.set_offset)
772 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
773 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
781 nouveau_display_resume(struct drm_device *dev, bool runtime)
783 struct nouveau_display *disp = nouveau_display(dev);
784 struct nouveau_drm *drm = nouveau_drm(dev);
785 struct drm_crtc *crtc;
788 if (dev->mode_config.funcs->atomic_commit) {
789 nouveau_display_init(dev);
791 drm_atomic_helper_resume(dev, disp->suspend);
792 disp->suspend = NULL;
797 /* re-pin fb/cursors */
798 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
799 struct nouveau_framebuffer *nouveau_fb;
801 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
802 if (!nouveau_fb || !nouveau_fb->nvbo)
805 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true);
807 NV_ERROR(drm, "Could not pin framebuffer\n");
810 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
811 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
812 if (!nv_crtc->cursor.nvbo)
815 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true);
816 if (!ret && nv_crtc->cursor.set_offset)
817 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
819 NV_ERROR(drm, "Could not pin/map cursor.\n");
822 nouveau_display_init(dev);
824 /* Force CLUT to get re-loaded during modeset */
825 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
826 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
828 nv_crtc->lut.depth = 0;
831 /* This should ensure we don't hit a locking problem when someone
832 * wakes us up via a connector. We should never go into suspend
833 * while the display is on anyways.
838 drm_helper_resume_force_mode(dev);
840 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
841 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
843 if (!nv_crtc->cursor.nvbo)
846 if (nv_crtc->cursor.set_offset)
847 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset);
848 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
849 nv_crtc->cursor_saved_y);
854 nouveau_page_flip_emit(struct nouveau_channel *chan,
855 struct nouveau_bo *old_bo,
856 struct nouveau_bo *new_bo,
857 struct nouveau_page_flip_state *s,
858 struct nouveau_fence **pfence)
860 struct nouveau_fence_chan *fctx = chan->fence;
861 struct nouveau_drm *drm = chan->drm;
862 struct drm_device *dev = drm->dev;
866 /* Queue it to the pending list */
867 spin_lock_irqsave(&dev->event_lock, flags);
868 list_add_tail(&s->head, &fctx->flip);
869 spin_unlock_irqrestore(&dev->event_lock, flags);
871 /* Synchronize with the old framebuffer */
872 ret = nouveau_fence_sync(old_bo, chan, false, false);
876 /* Emit the pageflip */
877 ret = RING_SPACE(chan, 2);
881 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
882 OUT_RING (chan, 0x00000000);
885 ret = nouveau_fence_new(chan, false, pfence);
891 spin_lock_irqsave(&dev->event_lock, flags);
893 spin_unlock_irqrestore(&dev->event_lock, flags);
898 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
899 struct drm_pending_vblank_event *event, u32 flags)
901 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
902 struct drm_device *dev = crtc->dev;
903 struct nouveau_drm *drm = nouveau_drm(dev);
904 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo;
905 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
906 struct nouveau_page_flip_state *s;
907 struct nouveau_channel *chan;
908 struct nouveau_cli *cli;
909 struct nouveau_fence *fence;
910 struct nv04_display *dispnv04 = nv04_display(dev);
911 int head = nouveau_crtc(crtc)->index;
917 cli = (void *)chan->user.client;
919 s = kzalloc(sizeof(*s), GFP_KERNEL);
923 if (new_bo != old_bo) {
924 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true);
929 mutex_lock(&cli->mutex);
930 ret = ttm_bo_reserve(&new_bo->bo, true, false, NULL);
934 /* synchronise rendering channel with the kernel's channel */
935 ret = nouveau_fence_sync(new_bo, chan, false, true);
937 ttm_bo_unreserve(&new_bo->bo);
941 if (new_bo != old_bo) {
942 ttm_bo_unreserve(&new_bo->bo);
944 ret = ttm_bo_reserve(&old_bo->bo, true, false, NULL);
949 /* Initialize a page flip struct */
950 *s = (struct nouveau_page_flip_state)
951 { { }, event, crtc, fb->bits_per_pixel, fb->pitches[0],
954 /* Keep vblanks on during flip, for the target crtc of this flip */
955 drm_crtc_vblank_get(crtc);
957 /* Emit a page flip */
959 ret = RING_SPACE(chan, 8);
963 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1);
965 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1);
966 OUT_RING (chan, head);
967 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1);
969 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1);
973 nouveau_bo_ref(new_bo, &dispnv04->image[head]);
975 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
978 mutex_unlock(&cli->mutex);
980 /* Update the crtc struct and cleanup */
981 crtc->primary->fb = fb;
983 nouveau_bo_fence(old_bo, fence, false);
984 ttm_bo_unreserve(&old_bo->bo);
985 if (old_bo != new_bo)
986 nouveau_bo_unpin(old_bo);
987 nouveau_fence_unref(&fence);
991 drm_crtc_vblank_put(crtc);
992 ttm_bo_unreserve(&old_bo->bo);
994 mutex_unlock(&cli->mutex);
995 if (old_bo != new_bo)
996 nouveau_bo_unpin(new_bo);
1003 nouveau_finish_page_flip(struct nouveau_channel *chan,
1004 struct nouveau_page_flip_state *ps)
1006 struct nouveau_fence_chan *fctx = chan->fence;
1007 struct nouveau_drm *drm = chan->drm;
1008 struct drm_device *dev = drm->dev;
1009 struct nouveau_page_flip_state *s;
1010 unsigned long flags;
1012 spin_lock_irqsave(&dev->event_lock, flags);
1014 if (list_empty(&fctx->flip)) {
1015 NV_ERROR(drm, "unexpected pageflip\n");
1016 spin_unlock_irqrestore(&dev->event_lock, flags);
1020 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
1022 drm_crtc_arm_vblank_event(s->crtc, s->event);
1024 /* Give up ownership of vblank for page-flipped crtc */
1025 drm_crtc_vblank_put(s->crtc);
1033 spin_unlock_irqrestore(&dev->event_lock, flags);
1038 nouveau_flip_complete(struct nvif_notify *notify)
1040 struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip);
1041 struct nouveau_channel *chan = drm->channel;
1042 struct nouveau_page_flip_state state;
1044 if (!nouveau_finish_page_flip(chan, &state)) {
1045 nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc),
1046 state.offset + state.crtc->y *
1047 state.pitch + state.crtc->x *
1051 return NVIF_NOTIFY_KEEP;
1055 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
1056 struct drm_mode_create_dumb *args)
1058 struct nouveau_bo *bo;
1062 args->pitch = roundup(args->width * (args->bpp / 8), 256);
1063 args->size = args->pitch * args->height;
1064 args->size = roundup(args->size, PAGE_SIZE);
1066 /* Use VRAM if there is any ; otherwise fallback to system memory */
1067 if (nouveau_drm(dev)->device.info.ram_size != 0)
1068 domain = NOUVEAU_GEM_DOMAIN_VRAM;
1070 domain = NOUVEAU_GEM_DOMAIN_GART;
1072 ret = nouveau_gem_new(dev, args->size, 0, domain, 0, 0, &bo);
1076 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle);
1077 drm_gem_object_unreference_unlocked(&bo->gem);
1082 nouveau_display_dumb_map_offset(struct drm_file *file_priv,
1083 struct drm_device *dev,
1084 uint32_t handle, uint64_t *poffset)
1086 struct drm_gem_object *gem;
1088 gem = drm_gem_object_lookup(file_priv, handle);
1090 struct nouveau_bo *bo = nouveau_gem_object(gem);
1091 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node);
1092 drm_gem_object_unreference_unlocked(gem);