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-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)
511static void mixer_layer_update(struct mixer_context *ctx) 511static void mixer_layer_update(struct mixer_context *ctx)
512{ 512{
513 struct mixer_resources *res = &ctx->mixer_res; 513 struct mixer_resources *res = &ctx->mixer_res;
514 u32 val;
515
516 val = mixer_reg_read(res, MXR_CFG);
517 514
518 /* allow one update per vsync only */ 515 mixer_reg_writemask(res, MXR_CFG, ~0, MXR_CFG_LAYER_UPDATE);
519 if (!(val & MXR_CFG_LAYER_UPDATE_COUNT_MASK))
520 mixer_reg_writemask(res, MXR_CFG, ~0, MXR_CFG_LAYER_UPDATE);
521} 516}
522 517
523static void mixer_graph_buffer(struct mixer_context *ctx, int win) 518static void mixer_graph_buffer(struct mixer_context *ctx, int win)