diff --git a/drivers/gpu/drm/drm_vma_manager.c b/drivers/gpu/drm/drm_vma_manager.c
index 63b4712..93676c1 100644
--- a/drivers/gpu/drm/drm_vma_manager.c
+++ b/drivers/gpu/drm/drm_vma_manager.c
@@ -291,24 +291,24 @@ EXPORT_SYMBOL(drm_vma_offset_remove);
 /**
  * drm_vma_node_allow - Add open-file to list of allowed users
  * @node: Node to modify
- * @filp: Open file to add
+ * @filp: Authentication token (typically pointer to open file) to add
  *
- * Add @filp to the list of allowed open-files for this node. If @filp is
- * already on this list, the ref-count is incremented.
+ * Add @filp to the list of allowed authentication tokens for this node.
+ * If @filp is already on this list, the ref-count is incremented.
  *
  * The list of allowed-users is preserved across drm_vma_offset_add() and
  * drm_vma_offset_remove() calls. You may even call it if the node is currently
  * not added to any offset-manager.
  *
- * You must remove all open-files the same number of times as you added them
- * before destroying the node. Otherwise, you will leak memory.
+ * You must remove all authentication tokens the same number of times as you
+ * added them before destroying the node. Otherwise, you will leak memory.
  *
  * This is locked against concurrent access internally.
  *
  * RETURNS:
  * 0 on success, negative error code on internal failure (out-of-mem)
  */
-int drm_vma_node_allow(struct drm_vma_offset_node *node, struct file *filp)
+int drm_vma_node_allow(struct drm_vma_offset_node *node, const void *filp)
 {
 	struct rb_node **iter;
 	struct rb_node *parent = NULL;
@@ -360,7 +360,7 @@ EXPORT_SYMBOL(drm_vma_node_allow);
 /**
  * drm_vma_node_revoke - Remove open-file from list of allowed users
  * @node: Node to modify
- * @filp: Open file to remove
+ * @filp: Authentication token to remove
  *
  * Decrement the ref-count of @filp in the list of allowed open-files on @node.
  * If the ref-count drops to zero, remove @filp from the list. You must call
@@ -370,7 +370,7 @@ EXPORT_SYMBOL(drm_vma_node_allow);
  *
  * If @filp is not on the list, nothing is done.
  */
-void drm_vma_node_revoke(struct drm_vma_offset_node *node, struct file *filp)
+void drm_vma_node_revoke(struct drm_vma_offset_node *node, const void *filp)
 {
 	struct drm_vma_offset_file *entry;
 	struct rb_node *iter;
@@ -400,10 +400,10 @@ EXPORT_SYMBOL(drm_vma_node_revoke);
 /**
  * drm_vma_node_is_allowed - Check whether an open-file is granted access
  * @node: Node to check
- * @filp: Open-file to check for
+ * @filp: Authentication token to check for
  *
  * Search the list in @node whether @filp is currently on the list of allowed
- * open-files (see drm_vma_node_allow()).
+ * authentication tokens (see drm_vma_node_allow()).
  *
  * This is locked against concurrent access internally.
  *
@@ -411,7 +411,7 @@ EXPORT_SYMBOL(drm_vma_node_revoke);
  * true iff @filp is on the list
  */
 bool drm_vma_node_is_allowed(struct drm_vma_offset_node *node,
-			     struct file *filp)
+			     const void *filp)
 {
 	struct drm_vma_offset_file *entry;
 	struct rb_node *iter;
diff --git a/include/drm/drm_vma_manager.h b/include/drm/drm_vma_manager.h
index c18a593..d7ff1e5 100644
--- a/include/drm/drm_vma_manager.h
+++ b/include/drm/drm_vma_manager.h
@@ -33,7 +33,7 @@
 
 struct drm_vma_offset_file {
 	struct rb_node vm_rb;
-	struct file *vm_filp;
+	const void *vm_filp;
 	unsigned long vm_count;
 };
 
@@ -65,10 +65,10 @@ int drm_vma_offset_add(struct drm_vma_offset_manager *mgr,
 void drm_vma_offset_remove(struct drm_vma_offset_manager *mgr,
 			   struct drm_vma_offset_node *node);
 
-int drm_vma_node_allow(struct drm_vma_offset_node *node, struct file *filp);
-void drm_vma_node_revoke(struct drm_vma_offset_node *node, struct file *filp);
+int drm_vma_node_allow(struct drm_vma_offset_node *node, const void *filp);
+void drm_vma_node_revoke(struct drm_vma_offset_node *node, const void *filp);
 bool drm_vma_node_is_allowed(struct drm_vma_offset_node *node,
-			     struct file *filp);
+			     const void *filp);
 
 /**
  * drm_vma_offset_exact_lookup() - Look up node by exact address
@@ -239,7 +239,7 @@ static inline void drm_vma_node_unmap(struct drm_vma_offset_node *node,
 /**
  * drm_vma_node_verify_access() - Access verification helper for TTM
  * @node: Offset node
- * @filp: Open-file
+ * @filp: Authentication token. Typically pointer to open file
  *
  * This checks whether @filp is granted access to @node. It is the same as
  * drm_vma_node_is_allowed() but suitable as drop-in helper for TTM
@@ -249,7 +249,7 @@ static inline void drm_vma_node_unmap(struct drm_vma_offset_node *node,
  * 0 if access is granted, -EACCES otherwise.
  */
 static inline int drm_vma_node_verify_access(struct drm_vma_offset_node *node,
-					     struct file *filp)
+					     const void *filp)
 {
 	return drm_vma_node_is_allowed(node, filp) ? 0 : -EACCES;
 }
