BILINEAR_PRECISION_6_BIT  521 drivers/gpu/drm/radeon/r600d.h #define		BILINEAR_PRECISION_6_BIT			(0 << 31)
BILINEAR_PRECISION_6_BIT  605 drivers/gpu/drm/radeon/rv770d.h #define		BILINEAR_PRECISION_6_BIT			(0 << 31)