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authorBen Skeggs <bskeggs@redhat.com>2013-11-13 04:00:32 +0400
committerBen Skeggs <bskeggs@redhat.com>2013-11-14 08:55:14 +0400
commit07ad6ca0d391758ae3bffa95554abbae6c84e641 (patch)
treeea0756aec7ff91c97b2bfee8e4b64cffaacabc82 /drivers/gpu/drm/nouveau/nouveau_display.c
parent9360bd1112d8874d21942e2ae74f5416b00a8db6 (diff)
downloadlinux-07ad6ca0d391758ae3bffa95554abbae6c84e641.tar.xz
drm/nouveau: there is no need to reserve/fence the new fb when flipping
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_display.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_display.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 44642d9094e6..547c42b4a35d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -26,7 +26,6 @@
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
-#include <drm/ttm/ttm_execbuf_util.h>
#include "nouveau_fbcon.h"
#include "dispnv04/hw.h"
@@ -594,12 +593,6 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
struct nouveau_page_flip_state *s;
struct nouveau_channel *chan = NULL;
struct nouveau_fence *fence;
- struct ttm_validate_buffer resv[2] = {
- { .bo = &old_bo->bo },
- { .bo = &new_bo->bo },
- };
- struct ww_acquire_ctx ticket;
- LIST_HEAD(res);
int ret;
if (!drm->channel)
@@ -622,13 +615,10 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM);
if (ret)
goto fail_free;
-
- list_add(&resv[1].head, &res);
}
- list_add(&resv[0].head, &res);
mutex_lock(&chan->cli->mutex);
- ret = ttm_eu_reserve_buffers(&ticket, &res);
+ ret = ttm_bo_reserve(&old_bo->bo, true, false, false, NULL);
if (ret)
goto fail_unpin;
@@ -656,14 +646,15 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
/* Update the crtc struct and cleanup */
crtc->fb = fb;
- ttm_eu_fence_buffer_objects(&ticket, &res, fence);
+ nouveau_bo_fence(old_bo, fence);
+ ttm_bo_unreserve(&old_bo->bo);
if (old_bo != new_bo)
nouveau_bo_unpin(old_bo);
nouveau_fence_unref(&fence);
return 0;
fail_unreserve:
- ttm_eu_backoff_reservation(&ticket, &res);
+ ttm_bo_unreserve(&old_bo->bo);
fail_unpin:
mutex_unlock(&chan->cli->mutex);
if (old_bo != new_bo)