1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 7a3cb08dc942..ee3e11e7177d 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -336,13 +336,6 @@ out:
 }
 EXPORT_SYMBOL_GPL(drm_gem_dumb_map_offset);
 
-int drm_gem_dumb_destroy(struct drm_file *file,
-			 struct drm_device *dev,
-			 u32 handle)
-{
-	return drm_gem_handle_delete(file, handle);
-}
-
 /**
  * drm_gem_handle_create_tail - internal functions to create a handle
  * @file_priv: drm file-private structure to register the handle for
@@ -1466,3 +1459,21 @@ tail:
 	return freed;
 }
 EXPORT_SYMBOL(drm_gem_lru_scan);
+
+/**
+ * drm_gem_evict - helper to evict backing pages for a GEM object
+ * @obj: obj in question
+ */
+int drm_gem_evict(struct drm_gem_object *obj)
+{
+	dma_resv_assert_held(obj->resv);
+
+	if (!dma_resv_test_signaled(obj->resv, DMA_RESV_USAGE_READ))
+		return -EBUSY;
+
+	if (obj->funcs->evict)
+		return obj->funcs->evict(obj);
+
+	return 0;
+}
+EXPORT_SYMBOL(drm_gem_evict);