GRBM_PWR_CNTL     261 drivers/gpu/drm/radeon/r600_dpm.c 		WREG32(GRBM_PWR_CNTL, 0x1);
GRBM_PWR_CNTL     262 drivers/gpu/drm/radeon/r600_dpm.c 		RREG32(GRBM_PWR_CNTL);