ucVoltageGpioCntlId 5159 drivers/gpu/drm/amd/include/atombios.h    UCHAR  ucVoltageGpioCntlId;               // default is 0 which indicate control through CG VID mode
ucVoltageGpioCntlId 4613 drivers/gpu/drm/radeon/atombios.h    UCHAR    ucVoltageGpioCntlId;         // default is 0 which indicate control through CG VID mode