struct mock_engine *engine;
 
        GEM_BUG_ON(id >= I915_NUM_ENGINES);
+       GEM_BUG_ON(!i915->gt.uncore);
 
        engine = kzalloc(sizeof(*engine) + PAGE_SIZE, GFP_KERNEL);
        if (!engine)
 
                I915_GTT_PAGE_SIZE_64K |
                I915_GTT_PAGE_SIZE_2M;
 
-       mock_uncore_init(&i915->uncore);
+       mock_uncore_init(&i915->uncore, i915);
        i915_gem_init__mm(i915);
        intel_gt_init_early(&i915->gt, i915);
        atomic_inc(&i915->gt.wakeref.count); /* disable; no hw support */
 
 __nop_read(32)
 __nop_read(64)
 
-void mock_uncore_init(struct intel_uncore *uncore)
+void mock_uncore_init(struct intel_uncore *uncore,
+                     struct drm_i915_private *i915)
 {
+       intel_uncore_init_early(uncore, i915);
+
        ASSIGN_RAW_WRITE_MMIO_VFUNCS(uncore, nop);
        ASSIGN_RAW_READ_MMIO_VFUNCS(uncore, nop);
 }
 
 #ifndef __MOCK_UNCORE_H
 #define __MOCK_UNCORE_H
 
-void mock_uncore_init(struct intel_uncore *uncore);
+void mock_uncore_init(struct intel_uncore *uncore,
+                     struct drm_i915_private *i915);
 
 #endif /* !__MOCK_UNCORE_H */