diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index ee811764c3df4b4e9c377a66afd4967512ba2001..c6240bab3fa55883768dd25a527aff3d9539487c 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -348,7 +348,7 @@ int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
 		return -ENOENT;
 
 	/* Don't allow imported objects to be mapped */
-	if (obj->import_attach) {
+	if (drm_gem_is_imported(obj)) {
 		ret = -EINVAL;
 		goto out;
 	}
@@ -1178,7 +1178,7 @@ void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
 			  drm_vma_node_start(&obj->vma_node));
 	drm_printf_indent(p, indent, "size=%zu\n", obj->size);
 	drm_printf_indent(p, indent, "imported=%s\n",
-			  str_yes_no(obj->import_attach));
+			  str_yes_no(drm_gem_is_imported(obj)));
 
 	if (obj->funcs->print_info)
 		obj->funcs->print_info(p, indent, obj);
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index fdae947682cd0b7b06db5e35e120f049a0f30179..2bf893eabb4b239000c6439d47731492f009f242 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -35,6 +35,7 @@
  */
 
 #include <linux/kref.h>
+#include <linux/dma-buf.h>
 #include <linux/dma-resv.h>
 #include <linux/list.h>
 #include <linux/mutex.h>
@@ -575,6 +576,19 @@ static inline bool drm_gem_object_is_shared_for_memory_stats(struct drm_gem_obje
 	return (obj->handle_count > 1) || obj->dma_buf;
 }
 
+/**
+ * drm_gem_is_imported() - Tests if GEM object's buffer has been imported
+ * @obj: the GEM object
+ *
+ * Returns:
+ * True if the GEM object's buffer has been imported, false otherwise
+ */
+static inline bool drm_gem_is_imported(const struct drm_gem_object *obj)
+{
+	/* The dma-buf's priv field points to the original GEM object. */
+	return obj->dma_buf && (obj->dma_buf->priv != obj);
+}
+
 #ifdef CONFIG_LOCKDEP
 /**
  * drm_gem_gpuva_set_lock() - Set the lock protecting accesses to the gpuva list.