+struct i915_hw_ppgtt *
+i915_ppgtt_create(struct drm_device *dev, struct drm_i915_file_private *fpriv)
+{
+ struct i915_hw_ppgtt *ppgtt;
+ int ret;
+
+ ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
+ if (!ppgtt)
+ return ERR_PTR(-ENOMEM);
+
+ ret = i915_ppgtt_init(dev, ppgtt);
+ if (ret) {
+ kfree(ppgtt);
+ return ERR_PTR(ret);
+ }
+
+ ppgtt->file_priv = fpriv;
+
+ return ppgtt;
+}
+
+void i915_ppgtt_release(struct kref *kref)
+{
+ struct i915_hw_ppgtt *ppgtt =
+ container_of(kref, struct i915_hw_ppgtt, ref);
+
+ /* vmas should already be unbound */
+ WARN_ON(!list_empty(&ppgtt->base.active_list));
+ WARN_ON(!list_empty(&ppgtt->base.inactive_list));
+
+ list_del(&ppgtt->base.global_link);
+ drm_mm_takedown(&ppgtt->base.mm);
+
+ ppgtt->base.cleanup(&ppgtt->base);
+ kfree(ppgtt);
+}