snprintf(engine->base.name, sizeof(engine->base.name), "%s", name);
        engine->base.id = id;
        engine->base.mask = BIT(id);
+       engine->base.legacy_idx = INVALID_ENGINE;
        engine->base.instance = id;
        engine->base.status_page.addr = (void *)(engine + 1);
 
        engine->base.reset.finish = mock_reset_finish;
        engine->base.cancel_requests = mock_cancel_requests;
 
+       i915->gt.engine[id] = &engine->base;
+       i915->gt.engine_class[0][id] = &engine->base;
+
        /* fake hw queue */
        spin_lock_init(&engine->hw_lock);
        timer_setup(&engine->hw_delay, hw_delay_complete, 0);