[Mesa-dev] [PATCH 1/5] drm/fourcc: Fix fourcc_mod_code() definition

Thierry Reding thierry.reding at gmail.com
Wed Feb 21 15:30:55 UTC 2018


From: Thierry Reding <treding at nvidia.com>

Avoid a compiler warnings when the val parameter is an expression.

This is based on commit 5843f4e02fbe86a59981e35adc6cabebee46fdc0 from
Linux v4.16-rc1.

Signed-off-by: Thierry Reding <treding at nvidia.com>
---
 include/drm-uapi/drm_fourcc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/drm-uapi/drm_fourcc.h b/include/drm-uapi/drm_fourcc.h
index 3ad838d3f93f..a76ed8f9e383 100644
--- a/include/drm-uapi/drm_fourcc.h
+++ b/include/drm-uapi/drm_fourcc.h
@@ -188,7 +188,7 @@ extern "C" {
 #define DRM_FORMAT_RESERVED	      ((1ULL << 56) - 1)
 
 #define fourcc_mod_code(vendor, val) \
-	((((__u64)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | (val & 0x00ffffffffffffffULL))
+	((((__u64)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | ((val) & 0x00ffffffffffffffULL))
 
 /*
  * Format Modifier tokens:
-- 
2.16.2



More information about the mesa-dev mailing list