[PATCH 2/2] drm/exynos: initialize the buf_num in vp_video_buffer

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From: YoungJun Cho <yj44.cho@xxxxxxxxxxx>

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@xxxxxxxxxxx>
Signed-off-by: Seung-Woo Kim <sw0312.kim@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
 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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