ucMclkDPMState 664 drivers/gpu/drm/amd/include/atombios.h UCHAR ucMclkDPMState; ucMclkDPMState 1329 drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c memory_clock_parameters.asDPMMCReg.ucMclkDPMState = level;