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 struct nouveau_crtc *nv_crtc;
63 crtc = drm_crtc_from_index(dev, pipe);
67 nv_crtc = nouveau_crtc(crtc);
68 nvif_notify_get(&nv_crtc->vblank);
74 nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe)
76 struct drm_crtc *crtc;
77 struct nouveau_crtc *nv_crtc;
79 crtc = drm_crtc_from_index(dev, pipe);
83 nv_crtc = nouveau_crtc(crtc);
84 nvif_notify_put(&nv_crtc->vblank);
88 calc(int blanks, int blanke, int total, int line)
90 if (blanke >= blanks) {
102 nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
103 ktime_t *stime, ktime_t *etime)
106 struct nv04_disp_mthd_v0 base;
107 struct nv04_disp_scanoutpos_v0 scan;
109 .base.method = NV04_DISP_SCANOUTPOS,
110 .base.head = nouveau_crtc(crtc)->index,
112 struct nouveau_display *disp = nouveau_display(crtc->dev);
113 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
117 ret = nvif_mthd(&disp->disp, 0, &args, sizeof(args));
121 if (args.scan.vline) {
122 ret |= DRM_SCANOUTPOS_ACCURATE;
123 ret |= DRM_SCANOUTPOS_VALID;
127 if (retry) ndelay(vblank->linedur_ns);
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]);
137 ret |= DRM_SCANOUTPOS_IN_VBLANK;
142 nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe,
143 unsigned int flags, int *vpos, int *hpos,
144 ktime_t *stime, ktime_t *etime,
145 const struct drm_display_mode *mode)
147 struct drm_crtc *crtc;
149 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
150 if (nouveau_crtc(crtc)->index == pipe) {
151 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
160 nouveau_display_vblstamp(struct drm_device *dev, unsigned int pipe,
161 int *max_error, struct timeval *time, unsigned flags)
163 struct drm_crtc *crtc;
165 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
166 if (nouveau_crtc(crtc)->index == pipe) {
167 struct drm_display_mode *mode;
168 if (drm_drv_uses_atomic_modeset(dev))
169 mode = &crtc->state->adjusted_mode;
171 mode = &crtc->hwmode;
172 return drm_calc_vbltimestamp_from_scanoutpos(dev,
173 pipe, max_error, time, flags, mode);
181 nouveau_display_vblank_fini(struct drm_device *dev)
183 struct drm_crtc *crtc;
185 drm_vblank_cleanup(dev);
187 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
188 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
189 nvif_notify_fini(&nv_crtc->vblank);
194 nouveau_display_vblank_init(struct drm_device *dev)
196 struct nouveau_display *disp = nouveau_display(dev);
197 struct drm_crtc *crtc;
200 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
201 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
202 ret = nvif_notify_init(&disp->disp,
203 nouveau_display_vblank_handler, false,
204 NV04_DISP_NTFY_VBLANK,
205 &(struct nvif_notify_head_req_v0) {
206 .head = nv_crtc->index,
208 sizeof(struct nvif_notify_head_req_v0),
209 sizeof(struct nvif_notify_head_rep_v0),
212 nouveau_display_vblank_fini(dev);
217 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
219 nouveau_display_vblank_fini(dev);
227 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
229 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
232 drm_gem_object_unreference_unlocked(&fb->nvbo->gem);
234 drm_framebuffer_cleanup(drm_fb);
239 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
240 struct drm_file *file_priv,
241 unsigned int *handle)
243 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
245 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle);
248 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
249 .destroy = nouveau_user_framebuffer_destroy,
250 .create_handle = nouveau_user_framebuffer_create_handle,
254 nouveau_framebuffer_new(struct drm_device *dev,
255 const struct drm_mode_fb_cmd2 *mode_cmd,
256 struct nouveau_bo *nvbo,
257 struct nouveau_framebuffer **pfb)
259 struct nouveau_framebuffer *fb;
262 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
265 drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd);
268 ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
274 struct drm_framebuffer *
275 nouveau_user_framebuffer_create(struct drm_device *dev,
276 struct drm_file *file_priv,
277 const struct drm_mode_fb_cmd2 *mode_cmd)
279 struct nouveau_framebuffer *fb;
280 struct nouveau_bo *nvbo;
281 struct drm_gem_object *gem;
284 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
286 return ERR_PTR(-ENOENT);
287 nvbo = nouveau_gem_object(gem);
289 ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb);
293 drm_gem_object_unreference_unlocked(gem);
297 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
298 .fb_create = nouveau_user_framebuffer_create,
299 .output_poll_changed = nouveau_fbcon_output_poll_changed,
303 struct nouveau_drm_prop_enum_list {
309 static struct nouveau_drm_prop_enum_list underscan[] = {
310 { 6, UNDERSCAN_AUTO, "auto" },
311 { 6, UNDERSCAN_OFF, "off" },
312 { 6, UNDERSCAN_ON, "on" },
316 static struct nouveau_drm_prop_enum_list dither_mode[] = {
317 { 7, DITHERING_MODE_AUTO, "auto" },
318 { 7, DITHERING_MODE_OFF, "off" },
319 { 1, DITHERING_MODE_ON, "on" },
320 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
321 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
322 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
326 static struct nouveau_drm_prop_enum_list dither_depth[] = {
327 { 6, DITHERING_DEPTH_AUTO, "auto" },
328 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
329 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
333 #define PROP_ENUM(p,gen,n,list) do { \
334 struct nouveau_drm_prop_enum_list *l = (list); \
336 while (l->gen_mask) { \
337 if (l->gen_mask & (1 << (gen))) \
342 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
345 while (p && l->gen_mask) { \
346 if (l->gen_mask & (1 << (gen))) { \
347 drm_property_add_enum(p, c, l->type, l->name); \
356 nouveau_display_hpd_work(struct work_struct *work)
358 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
360 pm_runtime_get_sync(drm->dev->dev);
362 drm_helper_hpd_irq_event(drm->dev);
364 pm_runtime_mark_last_busy(drm->dev->dev);
365 pm_runtime_put_sync(drm->dev->dev);
371 * Hans de Goede: This define belongs in acpi/video.h, I've submitted a patch
372 * to the acpi subsys to move it there from drivers/acpi/acpi_video.c .
373 * This should be dropped once that is merged.
375 #ifndef ACPI_VIDEO_NOTIFY_PROBE
376 #define ACPI_VIDEO_NOTIFY_PROBE 0x81
380 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
383 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
384 struct acpi_bus_event *info = data;
386 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
387 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
389 * This may be the only indication we receive of a
390 * connector hotplug on a runtime suspended GPU,
391 * schedule hpd_work to check.
393 schedule_work(&drm->hpd_work);
395 /* acpi-video should not generate keypresses for this */
405 nouveau_display_init(struct drm_device *dev)
407 struct nouveau_display *disp = nouveau_display(dev);
408 struct nouveau_drm *drm = nouveau_drm(dev);
409 struct drm_connector *connector;
412 ret = disp->init(dev);
416 /* enable polling for external displays */
417 if (!dev->mode_config.poll_enabled)
418 drm_kms_helper_poll_enable(dev);
420 /* enable hotplug interrupts */
421 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
422 struct nouveau_connector *conn = nouveau_connector(connector);
423 nvif_notify_get(&conn->hpd);
426 /* enable flip completion events */
427 nvif_notify_get(&drm->flip);
432 nouveau_display_fini(struct drm_device *dev, bool suspend)
434 struct nouveau_display *disp = nouveau_display(dev);
435 struct nouveau_drm *drm = nouveau_drm(dev);
436 struct drm_connector *connector;
437 struct drm_crtc *crtc;
440 drm_crtc_force_disable_all(dev);
442 /* Make sure that drm and hw vblank irqs get properly disabled. */
443 drm_for_each_crtc(crtc, dev)
444 drm_crtc_vblank_off(crtc);
446 /* disable flip completion events */
447 nvif_notify_put(&drm->flip);
449 /* disable hotplug interrupts */
450 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
451 struct nouveau_connector *conn = nouveau_connector(connector);
452 nvif_notify_put(&conn->hpd);
455 drm_kms_helper_poll_disable(dev);
460 nouveau_display_create_properties(struct drm_device *dev)
462 struct nouveau_display *disp = nouveau_display(dev);
465 if (disp->disp.oclass < NV50_DISP)
468 if (disp->disp.oclass < GF110_DISP)
473 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
474 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
475 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
477 disp->underscan_hborder_property =
478 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
480 disp->underscan_vborder_property =
481 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
487 disp->vibrant_hue_property =
488 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
491 disp->color_vibrance_property =
492 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
496 nouveau_display_create(struct drm_device *dev)
498 struct nouveau_drm *drm = nouveau_drm(dev);
499 struct nvkm_device *device = nvxx_device(&drm->client.device);
500 struct nouveau_display *disp;
503 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
507 drm_mode_config_init(dev);
508 drm_mode_create_scaling_mode_property(dev);
509 drm_mode_create_dvi_i_properties(dev);
511 dev->mode_config.funcs = &nouveau_mode_config_funcs;
512 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
514 dev->mode_config.min_width = 0;
515 dev->mode_config.min_height = 0;
516 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
517 dev->mode_config.max_width = 2048;
518 dev->mode_config.max_height = 2048;
520 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
521 dev->mode_config.max_width = 4096;
522 dev->mode_config.max_height = 4096;
524 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
525 dev->mode_config.max_width = 8192;
526 dev->mode_config.max_height = 8192;
528 dev->mode_config.max_width = 16384;
529 dev->mode_config.max_height = 16384;
532 dev->mode_config.preferred_depth = 24;
533 dev->mode_config.prefer_shadow = 1;
535 if (drm->client.device.info.chipset < 0x11)
536 dev->mode_config.async_page_flip = false;
538 dev->mode_config.async_page_flip = true;
540 drm_kms_helper_poll_init(dev);
541 drm_kms_helper_poll_disable(dev);
543 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
544 static const u16 oclass[] = {
561 for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) {
562 ret = nvif_object_init(&drm->client.device.object, 0,
563 oclass[i], NULL, 0, &disp->disp);
567 nouveau_display_create_properties(dev);
568 if (disp->disp.oclass < NV50_DISP)
569 ret = nv04_display_create(dev);
571 ret = nv50_display_create(dev);
578 goto disp_create_err;
580 drm_mode_config_reset(dev);
582 if (dev->mode_config.num_crtc) {
583 ret = nouveau_display_vblank_init(dev);
588 nouveau_backlight_init(dev);
589 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
591 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
592 register_acpi_notifier(&drm->acpi_nb);
600 drm_kms_helper_poll_fini(dev);
601 drm_mode_config_cleanup(dev);
606 nouveau_display_destroy(struct drm_device *dev)
608 struct nouveau_display *disp = nouveau_display(dev);
611 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb);
613 nouveau_backlight_exit(dev);
614 nouveau_display_vblank_fini(dev);
616 drm_kms_helper_poll_fini(dev);
617 drm_mode_config_cleanup(dev);
622 nvif_object_fini(&disp->disp);
624 nouveau_drm(dev)->display = NULL;
629 nouveau_atomic_disable_connector(struct drm_atomic_state *state,
630 struct drm_connector *connector)
632 struct drm_connector_state *connector_state;
633 struct drm_crtc *crtc;
634 struct drm_crtc_state *crtc_state;
635 struct drm_plane_state *plane_state;
636 struct drm_plane *plane;
639 if (!(crtc = connector->state->crtc))
642 connector_state = drm_atomic_get_connector_state(state, connector);
643 if (IS_ERR(connector_state))
644 return PTR_ERR(connector_state);
646 ret = drm_atomic_set_crtc_for_connector(connector_state, NULL);
650 crtc_state = drm_atomic_get_crtc_state(state, crtc);
651 if (IS_ERR(crtc_state))
652 return PTR_ERR(crtc_state);
654 ret = drm_atomic_set_mode_for_crtc(crtc_state, NULL);
658 crtc_state->active = false;
660 drm_for_each_plane_mask(plane, connector->dev, crtc_state->plane_mask) {
661 plane_state = drm_atomic_get_plane_state(state, plane);
662 if (IS_ERR(plane_state))
663 return PTR_ERR(plane_state);
665 ret = drm_atomic_set_crtc_for_plane(plane_state, NULL);
669 drm_atomic_set_fb_for_plane(plane_state, NULL);
676 nouveau_atomic_disable(struct drm_device *dev,
677 struct drm_modeset_acquire_ctx *ctx)
679 struct drm_atomic_state *state;
680 struct drm_connector *connector;
683 state = drm_atomic_state_alloc(dev);
687 state->acquire_ctx = ctx;
689 drm_for_each_connector(connector, dev) {
690 ret = nouveau_atomic_disable_connector(state, connector);
696 ret = drm_atomic_commit(state);
697 drm_atomic_state_put(state);
701 static struct drm_atomic_state *
702 nouveau_atomic_suspend(struct drm_device *dev)
704 struct drm_modeset_acquire_ctx ctx;
705 struct drm_atomic_state *state;
708 drm_modeset_acquire_init(&ctx, 0);
711 ret = drm_modeset_lock_all_ctx(dev, &ctx);
713 state = ERR_PTR(ret);
717 state = drm_atomic_helper_duplicate_state(dev, &ctx);
721 ret = nouveau_atomic_disable(dev, &ctx);
723 drm_atomic_state_put(state);
724 state = ERR_PTR(ret);
729 if (PTR_ERR(state) == -EDEADLK) {
730 drm_modeset_backoff(&ctx);
734 drm_modeset_drop_locks(&ctx);
735 drm_modeset_acquire_fini(&ctx);
740 nouveau_display_suspend(struct drm_device *dev, bool runtime)
742 struct nouveau_display *disp = nouveau_display(dev);
743 struct drm_crtc *crtc;
745 if (drm_drv_uses_atomic_modeset(dev)) {
747 disp->suspend = nouveau_atomic_suspend(dev);
748 if (IS_ERR(disp->suspend)) {
749 int ret = PTR_ERR(disp->suspend);
750 disp->suspend = NULL;
755 nouveau_display_fini(dev, true);
759 nouveau_display_fini(dev, true);
761 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
762 struct nouveau_framebuffer *nouveau_fb;
764 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
765 if (!nouveau_fb || !nouveau_fb->nvbo)
768 nouveau_bo_unpin(nouveau_fb->nvbo);
771 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
772 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
773 if (nv_crtc->cursor.nvbo) {
774 if (nv_crtc->cursor.set_offset)
775 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
776 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
784 nouveau_display_resume(struct drm_device *dev, bool runtime)
786 struct nouveau_display *disp = nouveau_display(dev);
787 struct nouveau_drm *drm = nouveau_drm(dev);
788 struct drm_crtc *crtc;
791 if (drm_drv_uses_atomic_modeset(dev)) {
792 nouveau_display_init(dev);
794 drm_atomic_helper_resume(dev, disp->suspend);
795 disp->suspend = NULL;
800 /* re-pin fb/cursors */
801 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
802 struct nouveau_framebuffer *nouveau_fb;
804 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
805 if (!nouveau_fb || !nouveau_fb->nvbo)
808 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true);
810 NV_ERROR(drm, "Could not pin framebuffer\n");
813 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
814 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
815 if (!nv_crtc->cursor.nvbo)
818 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true);
819 if (!ret && nv_crtc->cursor.set_offset)
820 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
822 NV_ERROR(drm, "Could not pin/map cursor.\n");
825 nouveau_display_init(dev);
827 /* Force CLUT to get re-loaded during modeset */
828 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
829 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
831 nv_crtc->lut.depth = 0;
834 /* This should ensure we don't hit a locking problem when someone
835 * wakes us up via a connector. We should never go into suspend
836 * while the display is on anyways.
841 drm_helper_resume_force_mode(dev);
843 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
844 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
846 if (!nv_crtc->cursor.nvbo)
849 if (nv_crtc->cursor.set_offset)
850 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset);
851 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
852 nv_crtc->cursor_saved_y);
857 nouveau_page_flip_emit(struct nouveau_channel *chan,
858 struct nouveau_bo *old_bo,
859 struct nouveau_bo *new_bo,
860 struct nouveau_page_flip_state *s,
861 struct nouveau_fence **pfence)
863 struct nouveau_fence_chan *fctx = chan->fence;
864 struct nouveau_drm *drm = chan->drm;
865 struct drm_device *dev = drm->dev;
869 /* Queue it to the pending list */
870 spin_lock_irqsave(&dev->event_lock, flags);
871 list_add_tail(&s->head, &fctx->flip);
872 spin_unlock_irqrestore(&dev->event_lock, flags);
874 /* Synchronize with the old framebuffer */
875 ret = nouveau_fence_sync(old_bo, chan, false, false);
879 /* Emit the pageflip */
880 ret = RING_SPACE(chan, 2);
884 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
885 OUT_RING (chan, 0x00000000);
888 ret = nouveau_fence_new(chan, false, pfence);
894 spin_lock_irqsave(&dev->event_lock, flags);
896 spin_unlock_irqrestore(&dev->event_lock, flags);
901 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
902 struct drm_pending_vblank_event *event, u32 flags)
904 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
905 struct drm_device *dev = crtc->dev;
906 struct nouveau_drm *drm = nouveau_drm(dev);
907 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo;
908 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
909 struct nouveau_page_flip_state *s;
910 struct nouveau_channel *chan;
911 struct nouveau_cli *cli;
912 struct nouveau_fence *fence;
913 struct nv04_display *dispnv04 = nv04_display(dev);
914 int head = nouveau_crtc(crtc)->index;
920 cli = (void *)chan->user.client;
922 s = kzalloc(sizeof(*s), GFP_KERNEL);
926 if (new_bo != old_bo) {
927 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true);
932 mutex_lock(&cli->mutex);
933 ret = ttm_bo_reserve(&new_bo->bo, true, false, NULL);
937 /* synchronise rendering channel with the kernel's channel */
938 ret = nouveau_fence_sync(new_bo, chan, false, true);
940 ttm_bo_unreserve(&new_bo->bo);
944 if (new_bo != old_bo) {
945 ttm_bo_unreserve(&new_bo->bo);
947 ret = ttm_bo_reserve(&old_bo->bo, true, false, NULL);
952 /* Initialize a page flip struct */
953 *s = (struct nouveau_page_flip_state)
954 { { }, event, crtc, fb->format->cpp[0] * 8, fb->pitches[0],
957 /* Keep vblanks on during flip, for the target crtc of this flip */
958 drm_crtc_vblank_get(crtc);
960 /* Emit a page flip */
962 ret = RING_SPACE(chan, 8);
966 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1);
968 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1);
969 OUT_RING (chan, head);
970 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1);
972 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1);
976 nouveau_bo_ref(new_bo, &dispnv04->image[head]);
978 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
981 mutex_unlock(&cli->mutex);
983 /* Update the crtc struct and cleanup */
984 crtc->primary->fb = fb;
986 nouveau_bo_fence(old_bo, fence, false);
987 ttm_bo_unreserve(&old_bo->bo);
988 if (old_bo != new_bo)
989 nouveau_bo_unpin(old_bo);
990 nouveau_fence_unref(&fence);
994 drm_crtc_vblank_put(crtc);
995 ttm_bo_unreserve(&old_bo->bo);
997 mutex_unlock(&cli->mutex);
998 if (old_bo != new_bo)
999 nouveau_bo_unpin(new_bo);
1006 nouveau_finish_page_flip(struct nouveau_channel *chan,
1007 struct nouveau_page_flip_state *ps)
1009 struct nouveau_fence_chan *fctx = chan->fence;
1010 struct nouveau_drm *drm = chan->drm;
1011 struct drm_device *dev = drm->dev;
1012 struct nouveau_page_flip_state *s;
1013 unsigned long flags;
1015 spin_lock_irqsave(&dev->event_lock, flags);
1017 if (list_empty(&fctx->flip)) {
1018 NV_ERROR(drm, "unexpected pageflip\n");
1019 spin_unlock_irqrestore(&dev->event_lock, flags);
1023 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
1025 drm_crtc_arm_vblank_event(s->crtc, s->event);
1027 /* Give up ownership of vblank for page-flipped crtc */
1028 drm_crtc_vblank_put(s->crtc);
1036 spin_unlock_irqrestore(&dev->event_lock, flags);
1041 nouveau_flip_complete(struct nvif_notify *notify)
1043 struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip);
1044 struct nouveau_channel *chan = drm->channel;
1045 struct nouveau_page_flip_state state;
1047 if (!nouveau_finish_page_flip(chan, &state)) {
1048 nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc),
1049 state.offset + state.crtc->y *
1050 state.pitch + state.crtc->x *
1054 return NVIF_NOTIFY_KEEP;
1058 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
1059 struct drm_mode_create_dumb *args)
1061 struct nouveau_cli *cli = nouveau_cli(file_priv);
1062 struct nouveau_bo *bo;
1066 args->pitch = roundup(args->width * (args->bpp / 8), 256);
1067 args->size = args->pitch * args->height;
1068 args->size = roundup(args->size, PAGE_SIZE);
1070 /* Use VRAM if there is any ; otherwise fallback to system memory */
1071 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
1072 domain = NOUVEAU_GEM_DOMAIN_VRAM;
1074 domain = NOUVEAU_GEM_DOMAIN_GART;
1076 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
1080 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle);
1081 drm_gem_object_unreference_unlocked(&bo->gem);
1086 nouveau_display_dumb_map_offset(struct drm_file *file_priv,
1087 struct drm_device *dev,
1088 uint32_t handle, uint64_t *poffset)
1090 struct drm_gem_object *gem;
1092 gem = drm_gem_object_lookup(file_priv, handle);
1094 struct nouveau_bo *bo = nouveau_gem_object(gem);
1095 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node);
1096 drm_gem_object_unreference_unlocked(gem);