ASIC_INTERNAL_GPUPLL_SS 6633 drivers/gpu/drm/amd/include/atombios.h #define ASIC_INTERNAL_GPUPLL_SS          11
ASIC_INTERNAL_GPUPLL_SS 5492 drivers/gpu/drm/radeon/atombios.h #define ASIC_INTERNAL_GPUPLL_SS          11