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)];
118 ret = nvif_mthd(&disp->disp, 0, &args, sizeof(args));
122 if (args.scan.vline) {
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]);
140 nouveau_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)
145 struct drm_crtc *crtc;
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,
158 nouveau_display_vblank_fini(struct drm_device *dev)
160 struct drm_crtc *crtc;
162 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
163 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
164 nvif_notify_fini(&nv_crtc->vblank);
169 nouveau_display_vblank_init(struct drm_device *dev)
171 struct nouveau_display *disp = nouveau_display(dev);
172 struct drm_crtc *crtc;
175 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
176 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
177 ret = nvif_notify_init(&disp->disp,
178 nouveau_display_vblank_handler, false,
179 NV04_DISP_NTFY_VBLANK,
180 &(struct nvif_notify_head_req_v0) {
181 .head = nv_crtc->index,
183 sizeof(struct nvif_notify_head_req_v0),
184 sizeof(struct nvif_notify_head_rep_v0),
187 nouveau_display_vblank_fini(dev);
192 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
194 nouveau_display_vblank_fini(dev);
202 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
204 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
207 drm_gem_object_unreference_unlocked(&fb->nvbo->gem);
209 drm_framebuffer_cleanup(drm_fb);
214 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
215 struct drm_file *file_priv,
216 unsigned int *handle)
218 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
220 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle);
223 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
224 .destroy = nouveau_user_framebuffer_destroy,
225 .create_handle = nouveau_user_framebuffer_create_handle,
229 nouveau_framebuffer_new(struct drm_device *dev,
230 const struct drm_mode_fb_cmd2 *mode_cmd,
231 struct nouveau_bo *nvbo,
232 struct nouveau_framebuffer **pfb)
234 struct nouveau_drm *drm = nouveau_drm(dev);
235 struct nouveau_framebuffer *fb;
238 /* YUV overlays have special requirements pre-NV50 */
239 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA &&
241 (mode_cmd->pixel_format == DRM_FORMAT_YUYV ||
242 mode_cmd->pixel_format == DRM_FORMAT_UYVY ||
243 mode_cmd->pixel_format == DRM_FORMAT_NV12 ||
244 mode_cmd->pixel_format == DRM_FORMAT_NV21) &&
245 (mode_cmd->pitches[0] & 0x3f || /* align 64 */
246 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */
247 (mode_cmd->pitches[1] && /* pitches for planes must match */
248 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) {
249 struct drm_format_name_buf format_name;
250 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n",
251 drm_get_format_name(mode_cmd->pixel_format,
253 mode_cmd->pitches[0],
254 mode_cmd->pitches[1]);
258 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
261 drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd);
264 ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
270 struct drm_framebuffer *
271 nouveau_user_framebuffer_create(struct drm_device *dev,
272 struct drm_file *file_priv,
273 const struct drm_mode_fb_cmd2 *mode_cmd)
275 struct nouveau_framebuffer *fb;
276 struct nouveau_bo *nvbo;
277 struct drm_gem_object *gem;
280 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
282 return ERR_PTR(-ENOENT);
283 nvbo = nouveau_gem_object(gem);
285 ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb);
289 drm_gem_object_unreference_unlocked(gem);
293 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
294 .fb_create = nouveau_user_framebuffer_create,
295 .output_poll_changed = nouveau_fbcon_output_poll_changed,
299 struct nouveau_drm_prop_enum_list {
305 static struct nouveau_drm_prop_enum_list underscan[] = {
306 { 6, UNDERSCAN_AUTO, "auto" },
307 { 6, UNDERSCAN_OFF, "off" },
308 { 6, UNDERSCAN_ON, "on" },
312 static struct nouveau_drm_prop_enum_list dither_mode[] = {
313 { 7, DITHERING_MODE_AUTO, "auto" },
314 { 7, DITHERING_MODE_OFF, "off" },
315 { 1, DITHERING_MODE_ON, "on" },
316 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
317 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
318 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
322 static struct nouveau_drm_prop_enum_list dither_depth[] = {
323 { 6, DITHERING_DEPTH_AUTO, "auto" },
324 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
325 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
329 #define PROP_ENUM(p,gen,n,list) do { \
330 struct nouveau_drm_prop_enum_list *l = (list); \
332 while (l->gen_mask) { \
333 if (l->gen_mask & (1 << (gen))) \
338 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
341 while (p && l->gen_mask) { \
342 if (l->gen_mask & (1 << (gen))) { \
343 drm_property_add_enum(p, c, l->type, l->name); \
352 nouveau_display_hpd_work(struct work_struct *work)
354 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
356 pm_runtime_get_sync(drm->dev->dev);
358 drm_helper_hpd_irq_event(drm->dev);
359 /* enable polling for external displays */
360 drm_kms_helper_poll_enable(drm->dev);
362 pm_runtime_mark_last_busy(drm->dev->dev);
363 pm_runtime_put_sync(drm->dev->dev);
369 * Hans de Goede: This define belongs in acpi/video.h, I've submitted a patch
370 * to the acpi subsys to move it there from drivers/acpi/acpi_video.c .
371 * This should be dropped once that is merged.
373 #ifndef ACPI_VIDEO_NOTIFY_PROBE
374 #define ACPI_VIDEO_NOTIFY_PROBE 0x81
378 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
381 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
382 struct acpi_bus_event *info = data;
384 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
385 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
387 * This may be the only indication we receive of a
388 * connector hotplug on a runtime suspended GPU,
389 * schedule hpd_work to check.
391 schedule_work(&drm->hpd_work);
393 /* acpi-video should not generate keypresses for this */
403 nouveau_display_init(struct drm_device *dev)
405 struct nouveau_display *disp = nouveau_display(dev);
406 struct nouveau_drm *drm = nouveau_drm(dev);
407 struct drm_connector *connector;
408 struct drm_connector_list_iter conn_iter;
411 ret = disp->init(dev);
415 /* enable hotplug interrupts */
416 drm_connector_list_iter_begin(dev, &conn_iter);
417 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
418 struct nouveau_connector *conn = nouveau_connector(connector);
419 nvif_notify_get(&conn->hpd);
421 drm_connector_list_iter_end(&conn_iter);
423 /* enable flip completion events */
424 nvif_notify_get(&drm->flip);
429 nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
431 struct nouveau_display *disp = nouveau_display(dev);
432 struct nouveau_drm *drm = nouveau_drm(dev);
433 struct drm_connector *connector;
434 struct drm_connector_list_iter conn_iter;
437 if (drm_drv_uses_atomic_modeset(dev))
438 drm_atomic_helper_shutdown(dev);
440 drm_crtc_force_disable_all(dev);
443 /* disable flip completion events */
444 nvif_notify_put(&drm->flip);
446 /* disable hotplug interrupts */
447 drm_connector_list_iter_begin(dev, &conn_iter);
448 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
449 struct nouveau_connector *conn = nouveau_connector(connector);
450 nvif_notify_put(&conn->hpd);
452 drm_connector_list_iter_end(&conn_iter);
455 cancel_work_sync(&drm->hpd_work);
457 drm_kms_helper_poll_disable(dev);
462 nouveau_display_create_properties(struct drm_device *dev)
464 struct nouveau_display *disp = nouveau_display(dev);
467 if (disp->disp.oclass < NV50_DISP)
470 if (disp->disp.oclass < GF110_DISP)
475 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
476 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
477 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
479 disp->underscan_hborder_property =
480 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
482 disp->underscan_vborder_property =
483 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
489 disp->vibrant_hue_property =
490 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
493 disp->color_vibrance_property =
494 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
498 nouveau_display_create(struct drm_device *dev)
500 struct nouveau_drm *drm = nouveau_drm(dev);
501 struct nvkm_device *device = nvxx_device(&drm->client.device);
502 struct nouveau_display *disp;
505 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
509 drm_mode_config_init(dev);
510 drm_mode_create_scaling_mode_property(dev);
511 drm_mode_create_dvi_i_properties(dev);
513 dev->mode_config.funcs = &nouveau_mode_config_funcs;
514 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
516 dev->mode_config.min_width = 0;
517 dev->mode_config.min_height = 0;
518 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
519 dev->mode_config.max_width = 2048;
520 dev->mode_config.max_height = 2048;
522 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
523 dev->mode_config.max_width = 4096;
524 dev->mode_config.max_height = 4096;
526 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
527 dev->mode_config.max_width = 8192;
528 dev->mode_config.max_height = 8192;
530 dev->mode_config.max_width = 16384;
531 dev->mode_config.max_height = 16384;
534 dev->mode_config.preferred_depth = 24;
535 dev->mode_config.prefer_shadow = 1;
537 if (drm->client.device.info.chipset < 0x11)
538 dev->mode_config.async_page_flip = false;
540 dev->mode_config.async_page_flip = true;
542 drm_kms_helper_poll_init(dev);
543 drm_kms_helper_poll_disable(dev);
545 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
546 static const u16 oclass[] = {
563 for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) {
564 ret = nvif_object_init(&drm->client.device.object, 0,
565 oclass[i], NULL, 0, &disp->disp);
569 nouveau_display_create_properties(dev);
570 if (disp->disp.oclass < NV50_DISP)
571 ret = nv04_display_create(dev);
573 ret = nv50_display_create(dev);
580 goto disp_create_err;
582 drm_mode_config_reset(dev);
584 if (dev->mode_config.num_crtc) {
585 ret = nouveau_display_vblank_init(dev);
590 nouveau_backlight_init(dev);
591 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
593 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
594 register_acpi_notifier(&drm->acpi_nb);
602 drm_kms_helper_poll_fini(dev);
603 drm_mode_config_cleanup(dev);
608 nouveau_display_destroy(struct drm_device *dev)
610 struct nouveau_display *disp = nouveau_display(dev);
613 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb);
615 nouveau_backlight_exit(dev);
616 nouveau_display_vblank_fini(dev);
618 drm_kms_helper_poll_fini(dev);
619 drm_mode_config_cleanup(dev);
624 nvif_object_fini(&disp->disp);
626 nouveau_drm(dev)->display = NULL;
631 nouveau_display_suspend(struct drm_device *dev, bool runtime)
633 struct nouveau_display *disp = nouveau_display(dev);
634 struct drm_crtc *crtc;
636 if (drm_drv_uses_atomic_modeset(dev)) {
638 disp->suspend = drm_atomic_helper_suspend(dev);
639 if (IS_ERR(disp->suspend)) {
640 int ret = PTR_ERR(disp->suspend);
641 disp->suspend = NULL;
646 nouveau_display_fini(dev, true, runtime);
650 nouveau_display_fini(dev, true, runtime);
652 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
653 struct nouveau_framebuffer *nouveau_fb;
655 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
656 if (!nouveau_fb || !nouveau_fb->nvbo)
659 nouveau_bo_unpin(nouveau_fb->nvbo);
662 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
663 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
664 if (nv_crtc->cursor.nvbo) {
665 if (nv_crtc->cursor.set_offset)
666 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
667 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
675 nouveau_display_resume(struct drm_device *dev, bool runtime)
677 struct nouveau_display *disp = nouveau_display(dev);
678 struct nouveau_drm *drm = nouveau_drm(dev);
679 struct drm_crtc *crtc;
682 if (drm_drv_uses_atomic_modeset(dev)) {
683 nouveau_display_init(dev);
685 drm_atomic_helper_resume(dev, disp->suspend);
686 disp->suspend = NULL;
691 /* re-pin fb/cursors */
692 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
693 struct nouveau_framebuffer *nouveau_fb;
695 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
696 if (!nouveau_fb || !nouveau_fb->nvbo)
699 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true);
701 NV_ERROR(drm, "Could not pin framebuffer\n");
704 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
705 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
706 if (!nv_crtc->cursor.nvbo)
709 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true);
710 if (!ret && nv_crtc->cursor.set_offset)
711 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
713 NV_ERROR(drm, "Could not pin/map cursor.\n");
716 nouveau_display_init(dev);
718 /* Force CLUT to get re-loaded during modeset */
719 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
720 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
722 nv_crtc->lut.depth = 0;
725 /* This should ensure we don't hit a locking problem when someone
726 * wakes us up via a connector. We should never go into suspend
727 * while the display is on anyways.
732 drm_helper_resume_force_mode(dev);
734 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
735 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
737 if (!nv_crtc->cursor.nvbo)
740 if (nv_crtc->cursor.set_offset)
741 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset);
742 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
743 nv_crtc->cursor_saved_y);
748 nouveau_page_flip_emit(struct nouveau_channel *chan,
749 struct nouveau_bo *old_bo,
750 struct nouveau_bo *new_bo,
751 struct nouveau_page_flip_state *s,
752 struct nouveau_fence **pfence)
754 struct nouveau_fence_chan *fctx = chan->fence;
755 struct nouveau_drm *drm = chan->drm;
756 struct drm_device *dev = drm->dev;
760 /* Queue it to the pending list */
761 spin_lock_irqsave(&dev->event_lock, flags);
762 list_add_tail(&s->head, &fctx->flip);
763 spin_unlock_irqrestore(&dev->event_lock, flags);
765 /* Synchronize with the old framebuffer */
766 ret = nouveau_fence_sync(old_bo, chan, false, false);
770 /* Emit the pageflip */
771 ret = RING_SPACE(chan, 2);
775 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
776 OUT_RING (chan, 0x00000000);
779 ret = nouveau_fence_new(chan, false, pfence);
785 spin_lock_irqsave(&dev->event_lock, flags);
787 spin_unlock_irqrestore(&dev->event_lock, flags);
792 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
793 struct drm_pending_vblank_event *event, u32 flags,
794 struct drm_modeset_acquire_ctx *ctx)
796 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
797 struct drm_device *dev = crtc->dev;
798 struct nouveau_drm *drm = nouveau_drm(dev);
799 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo;
800 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
801 struct nouveau_page_flip_state *s;
802 struct nouveau_channel *chan;
803 struct nouveau_cli *cli;
804 struct nouveau_fence *fence;
805 struct nv04_display *dispnv04 = nv04_display(dev);
806 int head = nouveau_crtc(crtc)->index;
812 cli = (void *)chan->user.client;
814 s = kzalloc(sizeof(*s), GFP_KERNEL);
818 if (new_bo != old_bo) {
819 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true);
824 mutex_lock(&cli->mutex);
825 ret = ttm_bo_reserve(&new_bo->bo, true, false, NULL);
829 /* synchronise rendering channel with the kernel's channel */
830 ret = nouveau_fence_sync(new_bo, chan, false, true);
832 ttm_bo_unreserve(&new_bo->bo);
836 if (new_bo != old_bo) {
837 ttm_bo_unreserve(&new_bo->bo);
839 ret = ttm_bo_reserve(&old_bo->bo, true, false, NULL);
844 /* Initialize a page flip struct */
845 *s = (struct nouveau_page_flip_state)
846 { { }, event, crtc, fb->format->cpp[0] * 8, fb->pitches[0],
849 /* Keep vblanks on during flip, for the target crtc of this flip */
850 drm_crtc_vblank_get(crtc);
852 /* Emit a page flip */
854 ret = RING_SPACE(chan, 8);
858 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1);
860 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1);
861 OUT_RING (chan, head);
862 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1);
864 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1);
868 nouveau_bo_ref(new_bo, &dispnv04->image[head]);
870 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
873 mutex_unlock(&cli->mutex);
875 /* Update the crtc struct and cleanup */
876 crtc->primary->fb = fb;
878 nouveau_bo_fence(old_bo, fence, false);
879 ttm_bo_unreserve(&old_bo->bo);
880 if (old_bo != new_bo)
881 nouveau_bo_unpin(old_bo);
882 nouveau_fence_unref(&fence);
886 drm_crtc_vblank_put(crtc);
887 ttm_bo_unreserve(&old_bo->bo);
889 mutex_unlock(&cli->mutex);
890 if (old_bo != new_bo)
891 nouveau_bo_unpin(new_bo);
898 nouveau_finish_page_flip(struct nouveau_channel *chan,
899 struct nouveau_page_flip_state *ps)
901 struct nouveau_fence_chan *fctx = chan->fence;
902 struct nouveau_drm *drm = chan->drm;
903 struct drm_device *dev = drm->dev;
904 struct nouveau_page_flip_state *s;
907 spin_lock_irqsave(&dev->event_lock, flags);
909 if (list_empty(&fctx->flip)) {
910 NV_ERROR(drm, "unexpected pageflip\n");
911 spin_unlock_irqrestore(&dev->event_lock, flags);
915 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
917 drm_crtc_arm_vblank_event(s->crtc, s->event);
919 /* Give up ownership of vblank for page-flipped crtc */
920 drm_crtc_vblank_put(s->crtc);
928 spin_unlock_irqrestore(&dev->event_lock, flags);
933 nouveau_flip_complete(struct nvif_notify *notify)
935 struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip);
936 struct nouveau_channel *chan = drm->channel;
937 struct nouveau_page_flip_state state;
939 if (!nouveau_finish_page_flip(chan, &state)) {
940 nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc),
941 state.offset + state.crtc->y *
942 state.pitch + state.crtc->x *
946 return NVIF_NOTIFY_KEEP;
950 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
951 struct drm_mode_create_dumb *args)
953 struct nouveau_cli *cli = nouveau_cli(file_priv);
954 struct nouveau_bo *bo;
958 args->pitch = roundup(args->width * (args->bpp / 8), 256);
959 args->size = args->pitch * args->height;
960 args->size = roundup(args->size, PAGE_SIZE);
962 /* Use VRAM if there is any ; otherwise fallback to system memory */
963 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
964 domain = NOUVEAU_GEM_DOMAIN_VRAM;
966 domain = NOUVEAU_GEM_DOMAIN_GART;
968 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
972 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle);
973 drm_gem_object_unreference_unlocked(&bo->gem);
978 nouveau_display_dumb_map_offset(struct drm_file *file_priv,
979 struct drm_device *dev,
980 uint32_t handle, uint64_t *poffset)
982 struct drm_gem_object *gem;
984 gem = drm_gem_object_lookup(file_priv, handle);
986 struct nouveau_bo *bo = nouveau_gem_object(gem);
987 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node);
988 drm_gem_object_unreference_unlocked(gem);