summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/nouveau/nouveau_display.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_display.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_display.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 26b5647188ef..47ad74255bf1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -736,6 +736,9 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y,
new_bo->bo.offset };
+ /* Keep vblanks on during flip, for the target crtc of this flip */
+ drm_vblank_get(dev, nouveau_crtc(crtc)->index);
+
/* Emit a page flip */
if (nv_device(drm->device)->card_type >= NV_50) {
ret = nv50_display_flip_next(crtc, fb, chan, swap_interval);
@@ -779,6 +782,7 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
return 0;
fail_unreserve:
+ drm_vblank_put(dev, nouveau_crtc(crtc)->index);
ttm_bo_unreserve(&old_bo->bo);
fail_unpin:
mutex_unlock(&chan->cli->mutex);
@@ -817,6 +821,9 @@ nouveau_finish_page_flip(struct nouveau_channel *chan,
drm_send_vblank_event(dev, crtcid, s->event);
}
+ /* Give up ownership of vblank for page-flipped crtc */
+ drm_vblank_put(dev, s->crtc);
+
list_del(&s->head);
if (ps)
*ps = *s;