OVR_CLR          1502 drivers/video/fbdev/aty/aty128fb.c 	aty_st_le32(OVR_CLR, 0);
OVR_CLR           243 drivers/video/fbdev/aty/radeon_base.c 	{ OVR_CLR, 0 },	
OVR_CLR          2448 drivers/video/fbdev/aty/radeon_pm.c 	OUTREG(OVR_CLR, 0);