NISLANDS_SMC_VOLTAGEMASK_VDDC   83 drivers/gpu/drm/amd/amdgpu/si_dpm.h #define NISLANDS_SMC_VOLTAGEMASK_VDDC  0
NISLANDS_SMC_VOLTAGEMASK_VDDC  146 drivers/gpu/drm/radeon/nislands_smc.h #define NISLANDS_SMC_VOLTAGEMASK_VDDC  0