DAC_AUTODETECT_INT_CONTROL 6921 drivers/gpu/drm/radeon/cik.c 	WREG32(DAC_AUTODETECT_INT_CONTROL, 0);
DAC_AUTODETECT_INT_CONTROL 5970 drivers/gpu/drm/radeon/si.c 		WREG32(DAC_AUTODETECT_INT_CONTROL, 0);