{
        struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_device_info *device_info = mkwrite_device_info(dev_priv);
+       unsigned int ring_mask = INTEL_INFO(dev_priv)->ring_mask;
        unsigned int mask = 0;
        int (*init)(struct intel_engine_cs *engine);
        struct intel_engine_cs *engine;
        unsigned int i;
        int ret;
 
-       WARN_ON(INTEL_INFO(dev_priv)->ring_mask == 0);
-       WARN_ON(INTEL_INFO(dev_priv)->ring_mask &
+       WARN_ON(ring_mask == 0);
+       WARN_ON(ring_mask &
                GENMASK(sizeof(mask) * BITS_PER_BYTE - 1, I915_NUM_ENGINES));
 
        for (i = 0; i < ARRAY_SIZE(intel_engines); i++) {
         * are added to the driver by a warning and disabling the forgotten
         * engines.
         */
-       if (WARN_ON(mask != INTEL_INFO(dev_priv)->ring_mask))
+       if (WARN_ON(mask != ring_mask))
                device_info->ring_mask = mask;
 
        device_info->num_rings = hweight32(mask);