Commit 5c0f4829 authored by Rahul Sharma's avatar Rahul Sharma Committed by Inki Dae

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: default avatarRahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent 381be025
...@@ -511,13 +511,8 @@ static void vp_video_buffer(struct mixer_context *ctx, int win) ...@@ -511,13 +511,8 @@ static void vp_video_buffer(struct mixer_context *ctx, int win)
static void mixer_layer_update(struct mixer_context *ctx) static void mixer_layer_update(struct mixer_context *ctx)
{ {
struct mixer_resources *res = &ctx->mixer_res; struct mixer_resources *res = &ctx->mixer_res;
u32 val;
val = mixer_reg_read(res, MXR_CFG);
/* allow one update per vsync only */ mixer_reg_writemask(res, MXR_CFG, ~0, MXR_CFG_LAYER_UPDATE);
if (!(val & MXR_CFG_LAYER_UPDATE_COUNT_MASK))
mixer_reg_writemask(res, MXR_CFG, ~0, MXR_CFG_LAYER_UPDATE);
} }
static void mixer_graph_buffer(struct mixer_context *ctx, int win) static void mixer_graph_buffer(struct mixer_context *ctx, int win)
......
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