CB_COLOR6_BASE   2244 drivers/gpu/drm/radeon/evergreend.h #define	CB_COLOR6_BASE					0x28dc8
CB_COLOR6_BASE     76 drivers/gpu/drm/radeon/r600d.h #define	CB_COLOR6_BASE					0x28058
CB_COLOR6_BASE    319 drivers/gpu/drm/radeon/rv770d.h #define	CB_COLOR6_BASE					0x28058