diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_display.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_display.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 65b4fd53dd4e..54b1f3d8fc7f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -717,6 +717,9 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, } mutex_lock(&cli->mutex); + ret = ttm_bo_reserve(&new_bo->bo, true, false, false, NULL); + if (ret) + goto fail_unpin; /* synchronise rendering channel with the kernel's channel */ spin_lock(&new_bo->bo.bdev->fence_lock); @@ -724,12 +727,18 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, spin_unlock(&new_bo->bo.bdev->fence_lock); ret = nouveau_fence_sync(fence, chan); nouveau_fence_unref(&fence); - if (ret) + if (ret) { + ttm_bo_unreserve(&new_bo->bo); goto fail_unpin; + } - ret = ttm_bo_reserve(&old_bo->bo, true, false, false, NULL); - if (ret) - goto fail_unpin; + if (new_bo != old_bo) { + ttm_bo_unreserve(&new_bo->bo); + + ret = ttm_bo_reserve(&old_bo->bo, true, false, false, NULL); + if (ret) + goto fail_unpin; + } /* Initialize a page flip struct */ *s = (struct nouveau_page_flip_state) |