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drm: zte: fix static checker warning on variable 'fmt' 

Commit 4e986d3705 ("drm: zte: add overlay plane support") introduces
the following static checker warning:

 drivers/gpu/drm/zte/zx_plane.c:170 zx_vl_rsz_setup()
 warn: always true condition '(fmt >= 0) => (0-u32max >= 0)'

Fix it by change 'fmt' type to integer.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 4e986d3705 ("drm: zte: add overlay plane support")
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1487598551-28310-1-git-send-email-shawnguo@kernel.org
This commit is contained in:
Shawn Guo 2017-02-20 21:49:11 +08:00
parent 2220fc1ab3
commit dc5e1d628a
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/zte/zx_plane.c
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@ -159,7 +159,7 @@ static void zx_vl_rsz_setup(struct zx_plane *zplane, uint32_t format,
void __iomem *rsz = zplane->rsz;
u32 src_chroma_w = src_w;
u32 src_chroma_h = src_h;
u32 fmt;
int fmt;
/* Set up source and destination resolution */
zx_writel(rsz + RSZ_SRC_CFG, RSZ_VER(src_h - 1) | RSZ_HOR(src_w - 1));
@ -203,7 +203,7 @@ static void zx_vl_plane_atomic_update(struct drm_plane *plane,
u32 src_x, src_y, src_w, src_h;
u32 dst_x, dst_y, dst_w, dst_h;
uint32_t format;
u32 fmt;
int fmt;
int num_planes;
int i;