ATOM_S2_DEVICE_DPMS_STATE 6811 drivers/gpu/drm/amd/include/atombios.h #define ATOM_S2_DEVICE_DPMS_STATE       0x00010000L
ATOM_S2_DEVICE_DPMS_STATE 5669 drivers/gpu/drm/radeon/atombios.h #define ATOM_S2_DEVICE_DPMS_STATE       0x00010000L