drm/exynos: mixer: simplify mixer_graph_buffer()

DRM core already checks in drm_atomic_plane_check() if the
pixelformat is valid. Hence we can collapse the default case
of the switch statement with the XRGB8888 case.

No functional change.

Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

1 files changed, 1 insertions, 4 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 1a9dfc830754..23d47cdfdf10 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -606,12 +606,9 @@ static void mixer_graph_buffer(struct mixer_context *ctx,
 
         case DRM_FORMAT_XRGB8888:
         case DRM_FORMAT_ARGB8888:
+        default:
                 fmt = MXR_FORMAT_ARGB8888;
                 break;
-
-        default:
-                DRM_DEBUG_KMS("pixelformat unsupported by mixer\n");
-                return;
         }
 
         /* ratio is already checked by common plane code */