SET_ASIC_VOLTAGE_MODE_SOURCE_B 2590 drivers/gpu/drm/amd/include/atombios.h #define SET_ASIC_VOLTAGE_MODE_SOURCE_B         0x4
SET_ASIC_VOLTAGE_MODE_SOURCE_B 2207 drivers/gpu/drm/radeon/atombios.h #define SET_ASIC_VOLTAGE_MODE_SOURCE_B         0x4