diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-07-12 13:59:24 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-07-12 13:59:24 +0100 |
| commit | cda390bb8f0fc751194ef5f4c691ca8d3ff91009 (patch) | |
| tree | 9739758690c5107b73a09f632ae2f8fc2507db09 /drivers/gpu/drm/nouveau/nouveau_display.c | |
| parent | 9a2c33a422d60e8e55c5aff6752522dc39993b16 (diff) | |
| parent | 449fd15fbcde239875031d70fd06abb4a0e1ed09 (diff) | |
Merge branch 'kprobes-test-fixes' of git://git.linaro.org/people/tixy/kernel into fixes
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_display.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_display.c | 7 |
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 26b5647188e..47ad74255bf 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; |