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authorRahul Sharma <rahul.sharma@samsung.com>2014-06-23 11:02:23 +0530
committerInki Dae <daeinki@gmail.com>2014-06-24 23:44:30 +0900
commit5c0f4829e187f4d43f5ea5cd72cec343ddcdf594 (patch)
tree6b1e0d30019dce39cb15240e8e424a3885785434 /drivers/gpu
parent381be025ac1a6dc8efebdf146ced0d4a6007f77b (diff)
downloadlinux-5c0f4829e187f4d43f5ea5cd72cec343ddcdf594.tar.gz
drm/exynos: allow multiple layer updates per vsync for mixer
Allowing only one layer update per vsync can cause issues while there are update available for both layers. There is a good amount of possibility to loose updates if we allow single update per vsync. Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/exynos/exynos_mixer.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index d35950121fc4..6773b03fd921 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -511,13 +511,8 @@ static void vp_video_buffer(struct mixer_context *ctx, int win)
static void mixer_layer_update(struct mixer_context *ctx)
{
struct mixer_resources *res = &ctx->mixer_res;
- u32 val;
-
- val = mixer_reg_read(res, MXR_CFG);
- /* allow one update per vsync only */
- if (!(val & MXR_CFG_LAYER_UPDATE_COUNT_MASK))
- mixer_reg_writemask(res, MXR_CFG, ~0, MXR_CFG_LAYER_UPDATE);
+ mixer_reg_writemask(res, MXR_CFG, ~0, MXR_CFG_LAYER_UPDATE);
}
static void mixer_graph_buffer(struct mixer_context *ctx, int win)