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authorAndrzej Hajda <a.hajda@samsung.com>2015-11-27 09:57:31 +0300
committerInki Dae <daeinki@gmail.com>2015-12-19 19:39:10 +0300
commitc4e074074c142bb21b8c3283066d8e6c1fd2baba (patch)
tree22488a4c08adf182091fbad9a8e1d071cf70e251 /drivers/gpu/drm/exynos/exynos_drm_crtc.c
parent6545f3189707c9105fcf160c2da2ddd2dacca331 (diff)
downloadlinux-c4e074074c142bb21b8c3283066d8e6c1fd2baba.tar.xz
drm/exynos: atomic check only enabled crtc states
Since atomic check is called also for disabled crtcs it should skip mode checking as it can be uninitialized. The patch fixes it. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch> Tested-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_crtc.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_crtc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index b3ba27fd9a6b..e69357172ffb 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -55,6 +55,9 @@ static int exynos_crtc_atomic_check(struct drm_crtc *crtc,
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+ if (!state->enable)
+ return 0;
+
if (exynos_crtc->ops->atomic_check)
return exynos_crtc->ops->atomic_check(exynos_crtc, state);