diff options
| author | Andrzej Hajda <a.hajda@samsung.com> | 2014-10-10 14:31:55 +0200 |
|---|---|---|
| committer | Inki Dae <daeinki@gmail.com> | 2014-11-03 01:51:28 +0900 |
| commit | d6948b2fd870f3e375fa0f0a37dae3feb85e5bc9 (patch) | |
| tree | bb1878fb0719eccd926104a4915e75e61efaa3f6 | |
| parent | 3cb6830a75665ec4efa99c69d52c5d9df597c397 (diff) | |
| download | linux-next-d6948b2fd870f3e375fa0f0a37dae3feb85e5bc9.tar.gz | |
drm/exynos: enable vblank after DPMS on
Before DPMS off driver disables vblank.
It should be balanced by vblank enable after DPMS on.
The patch fixes issue with page_flip ioctl not being able
to acquire vblank counter introduced by patch:
drm: Always reject drm_vblank_get() after drm_vblank_off()
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_crtc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index 8e38e9f8e542..45026e693225 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -71,13 +71,16 @@ static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode) !atomic_read(&exynos_crtc->pending_flip), HZ/20)) atomic_set(&exynos_crtc->pending_flip, 0); - drm_vblank_off(crtc->dev, exynos_crtc->pipe); + drm_crtc_vblank_off(crtc); } if (manager->ops->dpms) manager->ops->dpms(manager, mode); exynos_crtc->dpms = mode; + + if (mode == DRM_MODE_DPMS_ON) + drm_crtc_vblank_on(crtc); } static void exynos_drm_crtc_prepare(struct drm_crtc *crtc) |