Radeon_SetDPMS
Radeon_SetDPMS( ai, 0, B_DPMS_SUSPEND );
Radeon_SetDPMS( ai, 1, B_DPMS_SUSPEND );
Radeon_SetDPMS( ai, 0, (err1 == B_OK) ? B_DPMS_ON : B_DPMS_SUSPEND );
Radeon_SetDPMS( ai, 1, (err2 == B_OK) ? B_DPMS_ON : B_DPMS_SUSPEND );
result1 = Radeon_SetDPMS( ai, 0, dpms_flags );
result1 = Radeon_SetDPMS( ai, 0, dpms_flags );
status_t Radeon_SetDPMS( accelerator_info *ai, int crtc_idx, int mode );