diff --git a/drivers/accel/amdxdna/amdxdna_gem.c b/drivers/accel/amdxdna/amdxdna_gem.c
index d18de7eb7af4..4b0d58d0329b 100644
--- a/drivers/accel/amdxdna/amdxdna_gem.c
+++ b/drivers/accel/amdxdna/amdxdna_gem.c
@@ -1246,6 +1246,9 @@ static int amdxdna_flush_bo(struct amdxdna_gem_obj *abo, u64 offset, u64 size)
 {
 	u64 end;
 
+	if (is_import_bo(abo))
+		return -EOPNOTSUPP;
+
 	if (offset >= abo->mem.size)
 		return -EINVAL;
 
@@ -1256,9 +1259,7 @@ static int amdxdna_flush_bo(struct amdxdna_gem_obj *abo, u64 offset, u64 size)
 	if (!size)
 		return 0;
 
-	if (is_import_bo(abo))
-		drm_clflush_sg(abo->base.sgt);
-	else if (amdxdna_gem_vmap(abo))
+	if (amdxdna_gem_vmap(abo))
 		drm_clflush_virt_range(amdxdna_gem_vmap(abo) + offset, size);
 	else if (abo->base.pages)
 		drm_clflush_pages(abo->base.pages, abo->mem.size >> PAGE_SHIFT);