STEP_0_SPLL_STEP_ENABLE  461 drivers/gpu/drm/radeon/r600_dpm.c 			 STEP_0_SPLL_STEP_ENABLE, ~STEP_0_SPLL_STEP_ENABLE);
STEP_0_SPLL_STEP_ENABLE  464 drivers/gpu/drm/radeon/r600_dpm.c 			 0, ~STEP_0_SPLL_STEP_ENABLE);