drm/amdgpu: fix typo of domain fallback

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

@@ -429,7 +429,7 @@ retry:
 		if (bo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) {
 			bo->flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
 			goto retry;
-		} else if (domains != bo->preferred_domains) {
+		} else if (domains != bo->allowed_domains) {
 			domains = bo->allowed_domains;
 			goto retry;
 		}