R600_BIF_FB_EN    351 drivers/gpu/drm/radeon/rv515.c 			WREG32(R600_BIF_FB_EN, 0);
R600_BIF_FB_EN    447 drivers/gpu/drm/radeon/rv515.c 		WREG32(R600_BIF_FB_EN, R600_FB_READ_EN | R600_FB_WRITE_EN);