ucBaseVID        5019 drivers/gpu/drm/amd/include/atombios.h    UCHAR    ucBaseVID;                      // if there is no lookup table, VID= BaseVID + ( Vol - BaseLevle ) /VoltageStep
ucBaseVID        4480 drivers/gpu/drm/radeon/atombios.h 	 UCHAR		ucBaseVID;											// if there is no lookup table, VID= BaseVID + ( Vol - BaseLevle ) /VoltageStep