NISLANDS_SMC_VOLTAGEMASK_MVDD   84 drivers/gpu/drm/amd/amdgpu/si_dpm.h #define NISLANDS_SMC_VOLTAGEMASK_MVDD  1
NISLANDS_SMC_VOLTAGEMASK_MVDD  147 drivers/gpu/drm/radeon/nislands_smc.h #define NISLANDS_SMC_VOLTAGEMASK_MVDD  1