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authorAndrzej Hajda <a.hajda@samsung.com>2014-10-10 14:31:55 +0200
committerInki Dae <daeinki@gmail.com>2014-11-03 01:51:28 +0900
commitd6948b2fd870f3e375fa0f0a37dae3feb85e5bc9 (patch)
treebb1878fb0719eccd926104a4915e75e61efaa3f6
parent3cb6830a75665ec4efa99c69d52c5d9df597c397 (diff)
downloadlinux-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.c5
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)