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 if (drm_drv_uses_atomic_modeset(dev
))
441 drm_atomic_helper_shutdown(dev
);
443 drm_crtc_force_disable_all(dev
);
446 /* Make sure that drm and hw vblank irqs get properly disabled. */
447 drm_for_each_crtc(crtc
, dev
)
448 drm_crtc_vblank_off(crtc
);
450 /* disable flip completion events */
451 nvif_notify_put(&drm
->flip
);
453 /* disable hotplug interrupts */
454 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
455 struct nouveau_connector
*conn
= nouveau_connector(connector
);
456 nvif_notify_put(&conn
->hpd
);
459 drm_kms_helper_poll_disable(dev
);
464 nouveau_display_create_properties(struct drm_device
*dev
)
466 struct nouveau_display
*disp
= nouveau_display(dev
);
469 if (disp
->disp
.oclass
< NV50_DISP
)
472 if (disp
->disp
.oclass
< GF110_DISP
)
477 PROP_ENUM(disp
->dithering_mode
, gen
, "dithering mode", dither_mode
);
478 PROP_ENUM(disp
->dithering_depth
, gen
, "dithering depth", dither_depth
);
479 PROP_ENUM(disp
->underscan_property
, gen
, "underscan", underscan
);
481 disp
->underscan_hborder_property
=
482 drm_property_create_range(dev
, 0, "underscan hborder", 0, 128);
484 disp
->underscan_vborder_property
=
485 drm_property_create_range(dev
, 0, "underscan vborder", 0, 128);
491 disp
->vibrant_hue_property
=
492 drm_property_create_range(dev
, 0, "vibrant hue", 0, 180);
495 disp
->color_vibrance_property
=
496 drm_property_create_range(dev
, 0, "color vibrance", 0, 200);
500 nouveau_display_create(struct drm_device
*dev
)
502 struct nouveau_drm
*drm
= nouveau_drm(dev
);
503 struct nvkm_device
*device
= nvxx_device(&drm
->client
.device
);
504 struct nouveau_display
*disp
;
507 disp
= drm
->display
= kzalloc(sizeof(*disp
), GFP_KERNEL
);
511 drm_mode_config_init(dev
);
512 drm_mode_create_scaling_mode_property(dev
);
513 drm_mode_create_dvi_i_properties(dev
);
515 dev
->mode_config
.funcs
= &nouveau_mode_config_funcs
;
516 dev
->mode_config
.fb_base
= device
->func
->resource_addr(device
, 1);
518 dev
->mode_config
.min_width
= 0;
519 dev
->mode_config
.min_height
= 0;
520 if (drm
->client
.device
.info
.family
< NV_DEVICE_INFO_V0_CELSIUS
) {
521 dev
->mode_config
.max_width
= 2048;
522 dev
->mode_config
.max_height
= 2048;
524 if (drm
->client
.device
.info
.family
< NV_DEVICE_INFO_V0_TESLA
) {
525 dev
->mode_config
.max_width
= 4096;
526 dev
->mode_config
.max_height
= 4096;
528 if (drm
->client
.device
.info
.family
< NV_DEVICE_INFO_V0_FERMI
) {
529 dev
->mode_config
.max_width
= 8192;
530 dev
->mode_config
.max_height
= 8192;
532 dev
->mode_config
.max_width
= 16384;
533 dev
->mode_config
.max_height
= 16384;
536 dev
->mode_config
.preferred_depth
= 24;
537 dev
->mode_config
.prefer_shadow
= 1;
539 if (drm
->client
.device
.info
.chipset
< 0x11)
540 dev
->mode_config
.async_page_flip
= false;
542 dev
->mode_config
.async_page_flip
= true;
544 drm_kms_helper_poll_init(dev
);
545 drm_kms_helper_poll_disable(dev
);
547 if (nouveau_modeset
!= 2 && drm
->vbios
.dcb
.entries
) {
548 static const u16 oclass
[] = {
565 for (i
= 0, ret
= -ENODEV
; ret
&& i
< ARRAY_SIZE(oclass
); i
++) {
566 ret
= nvif_object_init(&drm
->client
.device
.object
, 0,
567 oclass
[i
], NULL
, 0, &disp
->disp
);
571 nouveau_display_create_properties(dev
);
572 if (disp
->disp
.oclass
< NV50_DISP
)
573 ret
= nv04_display_create(dev
);
575 ret
= nv50_display_create(dev
);
582 goto disp_create_err
;
584 drm_mode_config_reset(dev
);
586 if (dev
->mode_config
.num_crtc
) {
587 ret
= nouveau_display_vblank_init(dev
);
592 nouveau_backlight_init(dev
);
593 INIT_WORK(&drm
->hpd_work
, nouveau_display_hpd_work
);
595 drm
->acpi_nb
.notifier_call
= nouveau_display_acpi_ntfy
;
596 register_acpi_notifier(&drm
->acpi_nb
);
604 drm_kms_helper_poll_fini(dev
);
605 drm_mode_config_cleanup(dev
);
610 nouveau_display_destroy(struct drm_device
*dev
)
612 struct nouveau_display
*disp
= nouveau_display(dev
);
615 unregister_acpi_notifier(&nouveau_drm(dev
)->acpi_nb
);
617 nouveau_backlight_exit(dev
);
618 nouveau_display_vblank_fini(dev
);
620 drm_kms_helper_poll_fini(dev
);
621 drm_mode_config_cleanup(dev
);
626 nvif_object_fini(&disp
->disp
);
628 nouveau_drm(dev
)->display
= NULL
;
633 nouveau_display_suspend(struct drm_device
*dev
, bool runtime
)
635 struct nouveau_display
*disp
= nouveau_display(dev
);
636 struct drm_crtc
*crtc
;
638 if (drm_drv_uses_atomic_modeset(dev
)) {
640 disp
->suspend
= drm_atomic_helper_suspend(dev
);
641 if (IS_ERR(disp
->suspend
)) {
642 int ret
= PTR_ERR(disp
->suspend
);
643 disp
->suspend
= NULL
;
648 nouveau_display_fini(dev
, true);
652 nouveau_display_fini(dev
, true);
654 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
655 struct nouveau_framebuffer
*nouveau_fb
;
657 nouveau_fb
= nouveau_framebuffer(crtc
->primary
->fb
);
658 if (!nouveau_fb
|| !nouveau_fb
->nvbo
)
661 nouveau_bo_unpin(nouveau_fb
->nvbo
);
664 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
665 struct nouveau_crtc
*nv_crtc
= nouveau_crtc(crtc
);
666 if (nv_crtc
->cursor
.nvbo
) {
667 if (nv_crtc
->cursor
.set_offset
)
668 nouveau_bo_unmap(nv_crtc
->cursor
.nvbo
);
669 nouveau_bo_unpin(nv_crtc
->cursor
.nvbo
);
677 nouveau_display_resume(struct drm_device
*dev
, bool runtime
)
679 struct nouveau_display
*disp
= nouveau_display(dev
);
680 struct nouveau_drm
*drm
= nouveau_drm(dev
);
681 struct drm_crtc
*crtc
;
684 if (drm_drv_uses_atomic_modeset(dev
)) {
685 nouveau_display_init(dev
);
687 drm_atomic_helper_resume(dev
, disp
->suspend
);
688 disp
->suspend
= NULL
;
693 /* re-pin fb/cursors */
694 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
695 struct nouveau_framebuffer
*nouveau_fb
;
697 nouveau_fb
= nouveau_framebuffer(crtc
->primary
->fb
);
698 if (!nouveau_fb
|| !nouveau_fb
->nvbo
)
701 ret
= nouveau_bo_pin(nouveau_fb
->nvbo
, TTM_PL_FLAG_VRAM
, true);
703 NV_ERROR(drm
, "Could not pin framebuffer\n");
706 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
707 struct nouveau_crtc
*nv_crtc
= nouveau_crtc(crtc
);
708 if (!nv_crtc
->cursor
.nvbo
)
711 ret
= nouveau_bo_pin(nv_crtc
->cursor
.nvbo
, TTM_PL_FLAG_VRAM
, true);
712 if (!ret
&& nv_crtc
->cursor
.set_offset
)
713 ret
= nouveau_bo_map(nv_crtc
->cursor
.nvbo
);
715 NV_ERROR(drm
, "Could not pin/map cursor.\n");
718 nouveau_display_init(dev
);
720 /* Force CLUT to get re-loaded during modeset */
721 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
722 struct nouveau_crtc
*nv_crtc
= nouveau_crtc(crtc
);
724 nv_crtc
->lut
.depth
= 0;
727 /* This should ensure we don't hit a locking problem when someone
728 * wakes us up via a connector. We should never go into suspend
729 * while the display is on anyways.
734 drm_helper_resume_force_mode(dev
);
736 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
737 struct nouveau_crtc
*nv_crtc
= nouveau_crtc(crtc
);
739 if (!nv_crtc
->cursor
.nvbo
)
742 if (nv_crtc
->cursor
.set_offset
)
743 nv_crtc
->cursor
.set_offset(nv_crtc
, nv_crtc
->cursor
.nvbo
->bo
.offset
);
744 nv_crtc
->cursor
.set_pos(nv_crtc
, nv_crtc
->cursor_saved_x
,
745 nv_crtc
->cursor_saved_y
);
750 nouveau_page_flip_emit(struct nouveau_channel
*chan
,
751 struct nouveau_bo
*old_bo
,
752 struct nouveau_bo
*new_bo
,
753 struct nouveau_page_flip_state
*s
,
754 struct nouveau_fence
**pfence
)
756 struct nouveau_fence_chan
*fctx
= chan
->fence
;
757 struct nouveau_drm
*drm
= chan
->drm
;
758 struct drm_device
*dev
= drm
->dev
;
762 /* Queue it to the pending list */
763 spin_lock_irqsave(&dev
->event_lock
, flags
);
764 list_add_tail(&s
->head
, &fctx
->flip
);
765 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
767 /* Synchronize with the old framebuffer */
768 ret
= nouveau_fence_sync(old_bo
, chan
, false, false);
772 /* Emit the pageflip */
773 ret
= RING_SPACE(chan
, 2);
777 BEGIN_NV04(chan
, NvSubSw
, NV_SW_PAGE_FLIP
, 1);
778 OUT_RING (chan
, 0x00000000);
781 ret
= nouveau_fence_new(chan
, false, pfence
);
787 spin_lock_irqsave(&dev
->event_lock
, flags
);
789 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
794 nouveau_crtc_page_flip(struct drm_crtc
*crtc
, struct drm_framebuffer
*fb
,
795 struct drm_pending_vblank_event
*event
, u32 flags
,
796 struct drm_modeset_acquire_ctx
*ctx
)
798 const int swap_interval
= (flags
& DRM_MODE_PAGE_FLIP_ASYNC
) ? 0 : 1;
799 struct drm_device
*dev
= crtc
->dev
;
800 struct nouveau_drm
*drm
= nouveau_drm(dev
);
801 struct nouveau_bo
*old_bo
= nouveau_framebuffer(crtc
->primary
->fb
)->nvbo
;
802 struct nouveau_bo
*new_bo
= nouveau_framebuffer(fb
)->nvbo
;
803 struct nouveau_page_flip_state
*s
;
804 struct nouveau_channel
*chan
;
805 struct nouveau_cli
*cli
;
806 struct nouveau_fence
*fence
;
807 struct nv04_display
*dispnv04
= nv04_display(dev
);
808 int head
= nouveau_crtc(crtc
)->index
;
814 cli
= (void *)chan
->user
.client
;
816 s
= kzalloc(sizeof(*s
), GFP_KERNEL
);
820 if (new_bo
!= old_bo
) {
821 ret
= nouveau_bo_pin(new_bo
, TTM_PL_FLAG_VRAM
, true);
826 mutex_lock(&cli
->mutex
);
827 ret
= ttm_bo_reserve(&new_bo
->bo
, true, false, NULL
);
831 /* synchronise rendering channel with the kernel's channel */
832 ret
= nouveau_fence_sync(new_bo
, chan
, false, true);
834 ttm_bo_unreserve(&new_bo
->bo
);
838 if (new_bo
!= old_bo
) {
839 ttm_bo_unreserve(&new_bo
->bo
);
841 ret
= ttm_bo_reserve(&old_bo
->bo
, true, false, NULL
);
846 /* Initialize a page flip struct */
847 *s
= (struct nouveau_page_flip_state
)
848 { { }, event
, crtc
, fb
->format
->cpp
[0] * 8, fb
->pitches
[0],
851 /* Keep vblanks on during flip, for the target crtc of this flip */
852 drm_crtc_vblank_get(crtc
);
854 /* Emit a page flip */
856 ret
= RING_SPACE(chan
, 8);
860 BEGIN_NV04(chan
, NvSubImageBlit
, 0x012c, 1);
862 BEGIN_NV04(chan
, NvSubImageBlit
, 0x0134, 1);
863 OUT_RING (chan
, head
);
864 BEGIN_NV04(chan
, NvSubImageBlit
, 0x0100, 1);
866 BEGIN_NV04(chan
, NvSubImageBlit
, 0x0130, 1);
870 nouveau_bo_ref(new_bo
, &dispnv04
->image
[head
]);
872 ret
= nouveau_page_flip_emit(chan
, old_bo
, new_bo
, s
, &fence
);
875 mutex_unlock(&cli
->mutex
);
877 /* Update the crtc struct and cleanup */
878 crtc
->primary
->fb
= fb
;
880 nouveau_bo_fence(old_bo
, fence
, false);
881 ttm_bo_unreserve(&old_bo
->bo
);
882 if (old_bo
!= new_bo
)
883 nouveau_bo_unpin(old_bo
);
884 nouveau_fence_unref(&fence
);
888 drm_crtc_vblank_put(crtc
);
889 ttm_bo_unreserve(&old_bo
->bo
);
891 mutex_unlock(&cli
->mutex
);
892 if (old_bo
!= new_bo
)
893 nouveau_bo_unpin(new_bo
);
900 nouveau_finish_page_flip(struct nouveau_channel
*chan
,
901 struct nouveau_page_flip_state
*ps
)
903 struct nouveau_fence_chan
*fctx
= chan
->fence
;
904 struct nouveau_drm
*drm
= chan
->drm
;
905 struct drm_device
*dev
= drm
->dev
;
906 struct nouveau_page_flip_state
*s
;
909 spin_lock_irqsave(&dev
->event_lock
, flags
);
911 if (list_empty(&fctx
->flip
)) {
912 NV_ERROR(drm
, "unexpected pageflip\n");
913 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
917 s
= list_first_entry(&fctx
->flip
, struct nouveau_page_flip_state
, head
);
919 drm_crtc_arm_vblank_event(s
->crtc
, s
->event
);
921 /* Give up ownership of vblank for page-flipped crtc */
922 drm_crtc_vblank_put(s
->crtc
);
930 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
935 nouveau_flip_complete(struct nvif_notify
*notify
)
937 struct nouveau_drm
*drm
= container_of(notify
, typeof(*drm
), flip
);
938 struct nouveau_channel
*chan
= drm
->channel
;
939 struct nouveau_page_flip_state state
;
941 if (!nouveau_finish_page_flip(chan
, &state
)) {
942 nv_set_crtc_base(drm
->dev
, drm_crtc_index(state
.crtc
),
943 state
.offset
+ state
.crtc
->y
*
944 state
.pitch
+ state
.crtc
->x
*
948 return NVIF_NOTIFY_KEEP
;
952 nouveau_display_dumb_create(struct drm_file
*file_priv
, struct drm_device
*dev
,
953 struct drm_mode_create_dumb
*args
)
955 struct nouveau_cli
*cli
= nouveau_cli(file_priv
);
956 struct nouveau_bo
*bo
;
960 args
->pitch
= roundup(args
->width
* (args
->bpp
/ 8), 256);
961 args
->size
= args
->pitch
* args
->height
;
962 args
->size
= roundup(args
->size
, PAGE_SIZE
);
964 /* Use VRAM if there is any ; otherwise fallback to system memory */
965 if (nouveau_drm(dev
)->client
.device
.info
.ram_size
!= 0)
966 domain
= NOUVEAU_GEM_DOMAIN_VRAM
;
968 domain
= NOUVEAU_GEM_DOMAIN_GART
;
970 ret
= nouveau_gem_new(cli
, args
->size
, 0, domain
, 0, 0, &bo
);
974 ret
= drm_gem_handle_create(file_priv
, &bo
->gem
, &args
->handle
);
975 drm_gem_object_unreference_unlocked(&bo
->gem
);
980 nouveau_display_dumb_map_offset(struct drm_file
*file_priv
,
981 struct drm_device
*dev
,
982 uint32_t handle
, uint64_t *poffset
)
984 struct drm_gem_object
*gem
;
986 gem
= drm_gem_object_lookup(file_priv
, handle
);
988 struct nouveau_bo
*bo
= nouveau_gem_object(gem
);
989 *poffset
= drm_vma_node_offset_addr(&bo
->bo
.vma_node
);
990 drm_gem_object_unreference_unlocked(gem
);