ATOM_S0_SYSTEM_POWER_STATE_VALUE_DC 6752 drivers/gpu/drm/amd/include/atombios.h #define ATOM_S0_SYSTEM_POWER_STATE_VALUE_DC     2
ATOM_S0_SYSTEM_POWER_STATE_VALUE_DC 5610 drivers/gpu/drm/radeon/atombios.h #define ATOM_S0_SYSTEM_POWER_STATE_VALUE_DC     2