R600_CP_RB_WPTR  2633 drivers/gpu/drm/radeon/r600.c 	return RREG32(R600_CP_RB_WPTR);
R600_CP_RB_WPTR  2639 drivers/gpu/drm/radeon/r600.c 	WREG32(R600_CP_RB_WPTR, ring->wptr);
R600_CP_RB_WPTR  2640 drivers/gpu/drm/radeon/r600.c 	(void)RREG32(R600_CP_RB_WPTR);