diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c b/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c
index 0203e1e..49050d9 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c
@@ -92,7 +92,8 @@
 	struct nv04_vmmgr_priv *priv;
 	int ret;
 
-	if (!nouveau_boolopt(device->cfgopt, "NvPCIE", true)) {
+	if (pci_find_capability(device->pdev, PCI_CAP_ID_AGP) ||
+	    !nouveau_boolopt(device->cfgopt, "NvPCIE", true)) {
 		return nouveau_object_ctor(parent, engine, &nv04_vmmgr_oclass,
 					   data, size, pobject);
 	}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nv44.c b/drivers/gpu/drm/nouveau/core/subdev/vm/nv44.c
index 0ac18d0..aa81314 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/vm/nv44.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/vm/nv44.c
@@ -163,7 +163,8 @@
 	struct nv04_vmmgr_priv *priv;
 	int ret;
 
-	if (!nouveau_boolopt(device->cfgopt, "NvPCIE", true)) {
+	if (pci_find_capability(device->pdev, PCI_CAP_ID_AGP) ||
+	    !nouveau_boolopt(device->cfgopt, "NvPCIE", true)) {
 		return nouveau_object_ctor(parent, engine, &nv04_vmmgr_oclass,
 					   data, size, pobject);
 	}