R_000420_OV0_SCALE_CNTL 3798 drivers/gpu/drm/radeon/r100.c 	WREG32(R_000420_OV0_SCALE_CNTL,
R_000420_OV0_SCALE_CNTL 3799 drivers/gpu/drm/radeon/r100.c 		C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));