drm/exynos/fimc: avoid clearing overflow bits

Overflow bits shall be cleared by H/W.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index 7a5338ed2433a532157a9c047c955f61664e9779..c55c501f899c8f798ff87319e23105c30e8c756a 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
@@ -336,9 +336,6 @@ static bool fimc_check_ovf(struct fimc_context *ctx)
                fimc_set_bits(ctx, EXYNOS_CIWDOFST,
                        EXYNOS_CIWDOFST_CLROVFIY | EXYNOS_CIWDOFST_CLROVFICB |
                        EXYNOS_CIWDOFST_CLROVFICR);
-               fimc_clear_bits(ctx, EXYNOS_CIWDOFST,
-                       EXYNOS_CIWDOFST_CLROVFIY | EXYNOS_CIWDOFST_CLROVFICB |
-                       EXYNOS_CIWDOFST_CLROVFICR);
 
                dev_err(ippdrv->dev, "occurred overflow at %d, status 0x%x.\n",
                        ctx->id, status);