[PATCH] drm/rockchip: cdn-dp: fix cdn-dp complie warning

[Sean Paul]

On Tue, Feb 07, 2017 at 09:34:01AM +0800, Mark Yao wrote:
> 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 at rock-chips.com>
> ---
>  drivers/gpu/drm/rockchip/cdn-dp-reg.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
> index 3a5b8a4..319dbba 100644
> --- 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};

Kind of a nit, but it would be better to add default cases to the switches below so it's more
obvious which format/depth you consider the fallback.

Sean

>  
>  	switch (video->color_fmt) {
>  	case PXL_RGB:
> -- 
> 1.9.1
> 
> 
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-- 
Sean Paul, Software Engineer, Google / Chromium OS