drm/nouveau: fix pinning of notifier block

Problem introduced with commit 6ba9a68317781537d6184d3fdb2d0f20c97da3a4

Reported-by: Bob Gleitsmann <rjgleits@bellsouth.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c
index 7ba3fc0..5b39718 100644
--- a/drivers/gpu/drm/nouveau/nouveau_notifier.c
+++ b/drivers/gpu/drm/nouveau/nouveau_notifier.c
@@ -35,19 +35,22 @@
 {
 	struct drm_device *dev = chan->dev;
 	struct nouveau_bo *ntfy = NULL;
-	uint32_t flags;
+	uint32_t flags, ttmpl;
 	int ret;
 
-	if (nouveau_vram_notify)
+	if (nouveau_vram_notify) {
 		flags = NOUVEAU_GEM_DOMAIN_VRAM;
-	else
+		ttmpl = TTM_PL_FLAG_VRAM;
+	} else {
 		flags = NOUVEAU_GEM_DOMAIN_GART;
+		ttmpl = TTM_PL_FLAG_TT;
+	}
 
 	ret = nouveau_gem_new(dev, NULL, PAGE_SIZE, 0, flags, 0, 0, &ntfy);
 	if (ret)
 		return ret;
 
-	ret = nouveau_bo_pin(ntfy, flags);
+	ret = nouveau_bo_pin(ntfy, ttmpl);
 	if (ret)
 		goto out_err;