ATOM_PP_PLATFORM_CAP_STEPVDDC  152 drivers/gpu/drm/amd/include/pptable.h #define ATOM_PP_PLATFORM_CAP_STEPVDDC 128
ATOM_PP_PLATFORM_CAP_STEPVDDC  129 drivers/gpu/drm/radeon/pptable.h #define ATOM_PP_PLATFORM_CAP_STEPVDDC 128