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drm: fix the ALIGN macro to avoid value clamp 

If the value is 64bit, but the alignment is 32bit type, the high 32bit
will be clamped with previous definition

Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
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Jammy Zhou 2015-07-13 16:49:42 +08:00 committed by Alex Deucher
parent 95ecf91c7b
commit 90e14d453a
1 changed files with 2 additions and 1 deletions
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3
util_math.h
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@ -27,6 +27,7 @@
#define MIN2( A, B ) ( (A)<(B) ? (A) : (B) ) #define MIN2( A, B ) ( (A)<(B) ? (A) : (B) )
#define MAX2( A, B ) ( (A)>(B) ? (A) : (B) ) #define MAX2( A, B ) ( (A)>(B) ? (A) : (B) )
#define ALIGN( value, alignment ) ( ((value) + (alignment) - 1) & ~((alignment) - 1) ) #define __align_mask(value, mask) (((value) + (mask)) & ~(mask))
#define ALIGN(value, alignment) __align_mask(value, (typeof(value))((alignment) - 1))
#endif /*_UTIL_MATH_H_*/ #endif /*_UTIL_MATH_H_*/