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);
360 pm_runtime_mark_last_busy(drm->dev->dev);
361 pm_runtime_put_sync(drm->dev->dev);
367 * Hans de Goede: This define belongs in acpi/video.h, I've submitted a patch
368 * to the acpi subsys to move it there from drivers/acpi/acpi_video.c .
369 * This should be dropped once that is merged.
371 #ifndef ACPI_VIDEO_NOTIFY_PROBE
372 #define ACPI_VIDEO_NOTIFY_PROBE 0x81
376 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
379 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
380 struct acpi_bus_event *info = data;
383 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
384 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
385 ret = pm_runtime_get(drm->dev->dev);
386 if (ret == 1 || ret == -EACCES) {
387 /* If the GPU is already awake, or in a state
388 * where we can't wake it up, it can handle
389 * it's own hotplug events.
391 pm_runtime_put_autosuspend(drm->dev->dev);
392 } else if (ret == 0) {
393 /* This may be the only indication we receive
394 * of a connector hotplug on a runtime
395 * suspended GPU, schedule hpd_work to check.
397 NV_DEBUG(drm, "ACPI requested connector reprobe\n");
398 schedule_work(&drm->hpd_work);
399 pm_runtime_put_noidle(drm->dev->dev);
401 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n",
405 /* acpi-video should not generate keypresses for this */
415 nouveau_display_init(struct drm_device *dev)
417 struct nouveau_display *disp = nouveau_display(dev);
418 struct nouveau_drm *drm = nouveau_drm(dev);
419 struct drm_connector *connector;
420 struct drm_connector_list_iter conn_iter;
423 ret = disp->init(dev);
427 /* enable connector detection and polling for connectors without HPD
430 drm_kms_helper_poll_enable(dev);
432 /* enable hotplug interrupts */
433 drm_connector_list_iter_begin(dev, &conn_iter);
434 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
435 struct nouveau_connector *conn = nouveau_connector(connector);
436 nvif_notify_get(&conn->hpd);
438 drm_connector_list_iter_end(&conn_iter);
440 /* enable flip completion events */
441 nvif_notify_get(&drm->flip);
446 nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
448 struct nouveau_display *disp = nouveau_display(dev);
449 struct nouveau_drm *drm = nouveau_drm(dev);
450 struct drm_connector *connector;
451 struct drm_connector_list_iter conn_iter;
454 if (drm_drv_uses_atomic_modeset(dev))
455 drm_atomic_helper_shutdown(dev);
457 drm_crtc_force_disable_all(dev);
460 /* disable flip completion events */
461 nvif_notify_put(&drm->flip);
463 /* disable hotplug interrupts */
464 drm_connector_list_iter_begin(dev, &conn_iter);
465 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
466 struct nouveau_connector *conn = nouveau_connector(connector);
467 nvif_notify_put(&conn->hpd);
469 drm_connector_list_iter_end(&conn_iter);
472 cancel_work_sync(&drm->hpd_work);
474 drm_kms_helper_poll_disable(dev);
479 nouveau_display_create_properties(struct drm_device *dev)
481 struct nouveau_display *disp = nouveau_display(dev);
484 if (disp->disp.oclass < NV50_DISP)
487 if (disp->disp.oclass < GF110_DISP)
492 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
493 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
494 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
496 disp->underscan_hborder_property =
497 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
499 disp->underscan_vborder_property =
500 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
506 disp->vibrant_hue_property =
507 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
510 disp->color_vibrance_property =
511 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
515 nouveau_display_create(struct drm_device *dev)
517 struct nouveau_drm *drm = nouveau_drm(dev);
518 struct nvkm_device *device = nvxx_device(&drm->client.device);
519 struct nouveau_display *disp;
522 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
526 drm_mode_config_init(dev);
527 drm_mode_create_scaling_mode_property(dev);
528 drm_mode_create_dvi_i_properties(dev);
530 dev->mode_config.funcs = &nouveau_mode_config_funcs;
531 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
533 dev->mode_config.min_width = 0;
534 dev->mode_config.min_height = 0;
535 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
536 dev->mode_config.max_width = 2048;
537 dev->mode_config.max_height = 2048;
539 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
540 dev->mode_config.max_width = 4096;
541 dev->mode_config.max_height = 4096;
543 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
544 dev->mode_config.max_width = 8192;
545 dev->mode_config.max_height = 8192;
547 dev->mode_config.max_width = 16384;
548 dev->mode_config.max_height = 16384;
551 dev->mode_config.preferred_depth = 24;
552 dev->mode_config.prefer_shadow = 1;
554 if (drm->client.device.info.chipset < 0x11)
555 dev->mode_config.async_page_flip = false;
557 dev->mode_config.async_page_flip = true;
559 drm_kms_helper_poll_init(dev);
560 drm_kms_helper_poll_disable(dev);
562 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
563 static const u16 oclass[] = {
580 for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) {
581 ret = nvif_object_init(&drm->client.device.object, 0,
582 oclass[i], NULL, 0, &disp->disp);
586 nouveau_display_create_properties(dev);
587 if (disp->disp.oclass < NV50_DISP)
588 ret = nv04_display_create(dev);
590 ret = nv50_display_create(dev);
597 goto disp_create_err;
599 drm_mode_config_reset(dev);
601 if (dev->mode_config.num_crtc) {
602 ret = nouveau_display_vblank_init(dev);
607 nouveau_backlight_init(dev);
608 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
610 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
611 register_acpi_notifier(&drm->acpi_nb);
619 drm_kms_helper_poll_fini(dev);
620 drm_mode_config_cleanup(dev);
625 nouveau_display_destroy(struct drm_device *dev)
627 struct nouveau_display *disp = nouveau_display(dev);
630 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb);
632 nouveau_backlight_exit(dev);
633 nouveau_display_vblank_fini(dev);
635 drm_kms_helper_poll_fini(dev);
636 drm_mode_config_cleanup(dev);
641 nvif_object_fini(&disp->disp);
643 nouveau_drm(dev)->display = NULL;
648 nouveau_display_suspend(struct drm_device *dev, bool runtime)
650 struct nouveau_display *disp = nouveau_display(dev);
651 struct drm_crtc *crtc;
653 if (drm_drv_uses_atomic_modeset(dev)) {
655 disp->suspend = drm_atomic_helper_suspend(dev);
656 if (IS_ERR(disp->suspend)) {
657 int ret = PTR_ERR(disp->suspend);
658 disp->suspend = NULL;
663 nouveau_display_fini(dev, true, runtime);
667 nouveau_display_fini(dev, true, runtime);
669 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
670 struct nouveau_framebuffer *nouveau_fb;
672 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
673 if (!nouveau_fb || !nouveau_fb->nvbo)
676 nouveau_bo_unpin(nouveau_fb->nvbo);
679 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
680 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
681 if (nv_crtc->cursor.nvbo) {
682 if (nv_crtc->cursor.set_offset)
683 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
684 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
692 nouveau_display_resume(struct drm_device *dev, bool runtime)
694 struct nouveau_display *disp = nouveau_display(dev);
695 struct nouveau_drm *drm = nouveau_drm(dev);
696 struct drm_crtc *crtc;
699 if (drm_drv_uses_atomic_modeset(dev)) {
700 nouveau_display_init(dev);
702 drm_atomic_helper_resume(dev, disp->suspend);
703 disp->suspend = NULL;
708 /* re-pin fb/cursors */
709 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
710 struct nouveau_framebuffer *nouveau_fb;
712 nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
713 if (!nouveau_fb || !nouveau_fb->nvbo)
716 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true);
718 NV_ERROR(drm, "Could not pin framebuffer\n");
721 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
722 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
723 if (!nv_crtc->cursor.nvbo)
726 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true);
727 if (!ret && nv_crtc->cursor.set_offset)
728 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
730 NV_ERROR(drm, "Could not pin/map cursor.\n");
733 nouveau_display_init(dev);
735 /* Force CLUT to get re-loaded during modeset */
736 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
737 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
739 nv_crtc->lut.depth = 0;
742 /* This should ensure we don't hit a locking problem when someone
743 * wakes us up via a connector. We should never go into suspend
744 * while the display is on anyways.
749 drm_helper_resume_force_mode(dev);
751 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
752 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
754 if (!nv_crtc->cursor.nvbo)
757 if (nv_crtc->cursor.set_offset)
758 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset);
759 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
760 nv_crtc->cursor_saved_y);
765 nouveau_page_flip_emit(struct nouveau_channel *chan,
766 struct nouveau_bo *old_bo,
767 struct nouveau_bo *new_bo,
768 struct nouveau_page_flip_state *s,
769 struct nouveau_fence **pfence)
771 struct nouveau_fence_chan *fctx = chan->fence;
772 struct nouveau_drm *drm = chan->drm;
773 struct drm_device *dev = drm->dev;
777 /* Queue it to the pending list */
778 spin_lock_irqsave(&dev->event_lock, flags);
779 list_add_tail(&s->head, &fctx->flip);
780 spin_unlock_irqrestore(&dev->event_lock, flags);
782 /* Synchronize with the old framebuffer */
783 ret = nouveau_fence_sync(old_bo, chan, false, false);
787 /* Emit the pageflip */
788 ret = RING_SPACE(chan, 2);
792 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
793 OUT_RING (chan, 0x00000000);
796 ret = nouveau_fence_new(chan, false, pfence);
802 spin_lock_irqsave(&dev->event_lock, flags);
804 spin_unlock_irqrestore(&dev->event_lock, flags);
809 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
810 struct drm_pending_vblank_event *event, u32 flags,
811 struct drm_modeset_acquire_ctx *ctx)
813 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
814 struct drm_device *dev = crtc->dev;
815 struct nouveau_drm *drm = nouveau_drm(dev);
816 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo;
817 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
818 struct nouveau_page_flip_state *s;
819 struct nouveau_channel *chan;
820 struct nouveau_cli *cli;
821 struct nouveau_fence *fence;
822 struct nv04_display *dispnv04 = nv04_display(dev);
823 int head = nouveau_crtc(crtc)->index;
829 cli = (void *)chan->user.client;
831 s = kzalloc(sizeof(*s), GFP_KERNEL);
835 if (new_bo != old_bo) {
836 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true);
841 mutex_lock(&cli->mutex);
842 ret = ttm_bo_reserve(&new_bo->bo, true, false, NULL);
846 /* synchronise rendering channel with the kernel's channel */
847 ret = nouveau_fence_sync(new_bo, chan, false, true);
849 ttm_bo_unreserve(&new_bo->bo);
853 if (new_bo != old_bo) {
854 ttm_bo_unreserve(&new_bo->bo);
856 ret = ttm_bo_reserve(&old_bo->bo, true, false, NULL);
861 /* Initialize a page flip struct */
862 *s = (struct nouveau_page_flip_state)
863 { { }, event, crtc, fb->format->cpp[0] * 8, fb->pitches[0],
866 /* Keep vblanks on during flip, for the target crtc of this flip */
867 drm_crtc_vblank_get(crtc);
869 /* Emit a page flip */
871 ret = RING_SPACE(chan, 8);
875 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1);
877 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1);
878 OUT_RING (chan, head);
879 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1);
881 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1);
885 nouveau_bo_ref(new_bo, &dispnv04->image[head]);
887 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
890 mutex_unlock(&cli->mutex);
892 /* Update the crtc struct and cleanup */
893 crtc->primary->fb = fb;
895 nouveau_bo_fence(old_bo, fence, false);
896 ttm_bo_unreserve(&old_bo->bo);
897 if (old_bo != new_bo)
898 nouveau_bo_unpin(old_bo);
899 nouveau_fence_unref(&fence);
903 drm_crtc_vblank_put(crtc);
904 ttm_bo_unreserve(&old_bo->bo);
906 mutex_unlock(&cli->mutex);
907 if (old_bo != new_bo)
908 nouveau_bo_unpin(new_bo);
915 nouveau_finish_page_flip(struct nouveau_channel *chan,
916 struct nouveau_page_flip_state *ps)
918 struct nouveau_fence_chan *fctx = chan->fence;
919 struct nouveau_drm *drm = chan->drm;
920 struct drm_device *dev = drm->dev;
921 struct nouveau_page_flip_state *s;
924 spin_lock_irqsave(&dev->event_lock, flags);
926 if (list_empty(&fctx->flip)) {
927 NV_ERROR(drm, "unexpected pageflip\n");
928 spin_unlock_irqrestore(&dev->event_lock, flags);
932 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
934 drm_crtc_arm_vblank_event(s->crtc, s->event);
936 /* Give up ownership of vblank for page-flipped crtc */
937 drm_crtc_vblank_put(s->crtc);
945 spin_unlock_irqrestore(&dev->event_lock, flags);
950 nouveau_flip_complete(struct nvif_notify *notify)
952 struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip);
953 struct nouveau_channel *chan = drm->channel;
954 struct nouveau_page_flip_state state;
956 if (!nouveau_finish_page_flip(chan, &state)) {
957 nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc),
958 state.offset + state.crtc->y *
959 state.pitch + state.crtc->x *
963 return NVIF_NOTIFY_KEEP;
967 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
968 struct drm_mode_create_dumb *args)
970 struct nouveau_cli *cli = nouveau_cli(file_priv);
971 struct nouveau_bo *bo;
975 args->pitch = roundup(args->width * (args->bpp / 8), 256);
976 args->size = args->pitch * args->height;
977 args->size = roundup(args->size, PAGE_SIZE);
979 /* Use VRAM if there is any ; otherwise fallback to system memory */
980 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
981 domain = NOUVEAU_GEM_DOMAIN_VRAM;
983 domain = NOUVEAU_GEM_DOMAIN_GART;
985 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
989 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle);
990 drm_gem_object_unreference_unlocked(&bo->gem);
995 nouveau_display_dumb_map_offset(struct drm_file *file_priv,
996 struct drm_device *dev,
997 uint32_t handle, uint64_t *poffset)
999 struct drm_gem_object *gem;
1001 gem = drm_gem_object_lookup(file_priv, handle);
1003 struct nouveau_bo *bo = nouveau_gem_object(gem);
1004 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node);
1005 drm_gem_object_unreference_unlocked(gem);