CB_COLOR1_BASE   2239 drivers/gpu/drm/radeon/evergreend.h #define	CB_COLOR1_BASE					0x28c9c
CB_COLOR1_BASE     71 drivers/gpu/drm/radeon/r600d.h #define	CB_COLOR1_BASE					0x28044
CB_COLOR1_BASE    314 drivers/gpu/drm/radeon/rv770d.h #define	CB_COLOR1_BASE					0x28044