ucVoltageIndex   2600 drivers/gpu/drm/amd/include/atombios.h   UCHAR    ucVoltageIndex;              // An index to tell which voltage level
ucVoltageIndex   2217 drivers/gpu/drm/radeon/atombios.h   UCHAR    ucVoltageIndex;              // An index to tell which voltage level
ucVoltageIndex   3124 drivers/gpu/drm/radeon/radeon_atombios.c 		args.v1.ucVoltageIndex = volt_index;