From: YoungJun Cho <yj44....@samsung.com>

The buf_num in vp_video_buffer() should be 1 or 2, but it is not
initialized, and only set to 2 in NV12M or NV12MT cases.
So this patch initializes the buf_num with 1 as default.

Signed-off-by: YoungJun Cho <yj44.cho at samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
 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 b1280b4..42ffb71 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -379,7 +379,7 @@ static void vp_video_buffer(struct mixer_context *ctx, int 
win)
        unsigned long flags;
        struct hdmi_win_data *win_data;
        unsigned int x_ratio, y_ratio;
-       unsigned int buf_num;
+       unsigned int buf_num = 1;
        dma_addr_t luma_addr[2], chroma_addr[2];
        bool tiled_mode = false;
        bool crcb_mode = false;
-- 
1.7.9.5

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