[PATCH 2/3] drm/exynos: reset temporary value after write to register

[Gustavo Padovan]

From: Gustavo Padovan <gustavo.pado...@collabora.co.uk>

'val' wasn't clean after its last usage, so we could get garbage value and
send the wrong command to the hw.

Signed-off-by: Gustavo Padovan <gustavo.padovan at collabora.co.uk>
---
 drivers/gpu/drm/exynos/exynos_mixer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c 
b/drivers/gpu/drm/exynos/exynos_mixer.c
index a95fe84..7aff88f 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -687,7 +687,7 @@ static void mixer_win_reset(struct mixer_context *ctx)
        mixer_reg_write(res, MXR_GRAPHIC_CFG(0), val);

        /* Blend layer 1 into layer 0 */
-       val |= MXR_GRP_CFG_BLEND_PRE_MUL;
+       val = MXR_GRP_CFG_BLEND_PRE_MUL;
        val |= MXR_GRP_CFG_PIXEL_BLEND_EN;
        mixer_reg_write(res, MXR_GRAPHIC_CFG(1), val);

-- 
2.1.0