summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorSeung-Woo Kim <sw0312.kim@samsung.com>2011-11-04 09:31:41 +0100
committerInki Dae <inki.dae@samsung.com>2011-11-15 06:58:46 +0100
commitb0e0f85631f9d905095d2896a952430f5eb0aba1 (patch)
treee1a6a6cc4c8aaf07d4afe531dd3f11997885f789 /drivers
parentdrm/exynos: added crtc dpms for disable crtc (diff)
downloadlinux-b0e0f85631f9d905095d2896a952430f5eb0aba1.tar.xz
linux-b0e0f85631f9d905095d2896a952430f5eb0aba1.zip
drm/exynos: checked for null pointer
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_encoder.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index f15da9581a1e..866f419f485b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -283,7 +283,8 @@ void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data)
struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
struct exynos_drm_overlay *overlay = data;
- overlay_ops->mode_set(manager->dev, overlay);
+ if (overlay_ops && overlay_ops->mode_set)
+ overlay_ops->mode_set(manager->dev, overlay);
}
void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data)
@@ -294,7 +295,8 @@ void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data)
DRM_DEBUG_KMS("\n");
- overlay_ops->disable(manager->dev);
+ if (overlay_ops && overlay_ops->disable)
+ overlay_ops->disable(manager->dev);
/*
* crtc is already detached from encoder and last