CP_RB_RPTR_ADDR_HI  485 drivers/gpu/drm/radeon/evergreend.h #define	CP_RB_RPTR_ADDR_HI				0xC110
CP_RB_RPTR_ADDR_HI  204 drivers/gpu/drm/radeon/r600d.h #define	CP_RB_RPTR_ADDR_HI				0xC110
CP_RB_RPTR_ADDR_HI  357 drivers/gpu/drm/radeon/rv770d.h #define	CP_RB_RPTR_ADDR_HI				0xC110