CB_COLOR0_BASE   2067 drivers/gpu/drm/radeon/evergreend.h #define	CB_COLOR0_BASE					0x28c60
CB_COLOR0_BASE     70 drivers/gpu/drm/radeon/r600d.h #define	CB_COLOR0_BASE					0x28040
CB_COLOR0_BASE    313 drivers/gpu/drm/radeon/rv770d.h #define	CB_COLOR0_BASE					0x28040