drm/rockchip: cdn-dp: fix cdn-dp complie warning

fix warning:

drivers/gpu/drm/rockchip/cdn-dp-reg.c:632:24: warning:
  'val[1]' may be used uninitialized in this function [-Wmaybe-uninitialized]
  msa_misc = 2 * val[0] + 32 * val[1] +

Signed-off-by: Mark Yao <mark.yao@rock-chips.com>

diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
index 3a5b8a4..319dbba 100644 (file)
--- a/drivers/gpu/drm/rockchip/cdn-dp-reg.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
@@ -592,7 +592,7 @@ static int cdn_dp_get_msa_misc(struct video_info *video,
                               struct drm_display_mode *mode)
 {
        u32 msa_misc;
-       u8 val[2];
+       u8 val[2] = {0};
 
        switch (video->color_fmt) {
        case PXL_RGB: