diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 4e7ee5f4155c96bce6b1091fdf432a6d46140eab..af20fba3a1a47ae441f8c587d79670d445ed6374 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -198,7 +198,12 @@ nouveau_bo_new(struct drm_device *dev, int size, int align,
 	size_t acc_size;
 	int ret;
 	int type = ttm_bo_type_device;
-	int max_size = INT_MAX & ~((1 << drm->client.base.vm->vmm->lpg_shift) - 1);
+	int lpg_shift = 12;
+	int max_size;
+
+	if (drm->client.base.vm)
+		lpg_shift = drm->client.base.vm->vmm->lpg_shift;
+	max_size = INT_MAX & ~((1 << lpg_shift) - 1);
 
 	if (size <= 0 || size > max_size) {
 		nv_warn(drm, "skipped size %x\n", (u32)size);