ATOM_S0_SYSTEM_POWER_STATE_VALUE_AC 6751 drivers/gpu/drm/amd/include/atombios.h #define ATOM_S0_SYSTEM_POWER_STATE_VALUE_AC     1
ATOM_S0_SYSTEM_POWER_STATE_VALUE_AC 5609 drivers/gpu/drm/radeon/atombios.h #define ATOM_S0_SYSTEM_POWER_STATE_VALUE_AC     1