ATOM_S2_CV_DPMS_STATE 4428 drivers/gpu/drm/radeon/radeon_atombios.c 			bios_2_scratch &= ~ATOM_S2_CV_DPMS_STATE;
ATOM_S2_CV_DPMS_STATE 4430 drivers/gpu/drm/radeon/radeon_atombios.c 			bios_2_scratch |= ATOM_S2_CV_DPMS_STATE;