From 2f77d82e7ee416b51771cf022f23921b44aaaec3 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Fri, 18 Oct 2019 13:50:41 -0400
Subject: drm/fourcc: Fix undefined left shift in DRM_FORMAT_BIG_ENDIAN macros
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Git-commit: 2f77d82e7ee416b51771cf022f23921b44aaaec3
Patch-mainline: v5.5-rc1
References: bsc#1152489

1<<31 is undefined because it's a signed int and C is terrible.

Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191018175041.613780-1-ajax@redhat.com
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 include/uapi/drm/drm_fourcc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 2376d36ea573..8caaaf7ff91b 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -69,7 +69,7 @@ extern "C" {
 #define fourcc_code(a, b, c, d) ((__u32)(a) | ((__u32)(b) << 8) | \
 				 ((__u32)(c) << 16) | ((__u32)(d) << 24))
 
-#define DRM_FORMAT_BIG_ENDIAN (1<<31) /* format is big endian instead of little endian */
+#define DRM_FORMAT_BIG_ENDIAN (1U<<31) /* format is big endian instead of little endian */
 
 /* Reserve 0 for the invalid format specifier */
 #define DRM_FORMAT_INVALID	0
-- 
2.28.0