diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index aa0664d91060..5edf938bbcc3 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -113,12 +113,12 @@ static int drm_minor_get_id(struct drm_device *dev, int type)
 	int base = 0, limit = 63;
 
 	if (type == DRM_MINOR_CONTROL) {
-                base += 64;
-                limit = base + 127;
-        } else if (type == DRM_MINOR_RENDER) {
-                base += 128;
-                limit = base + 255;
-        }
+		base += 64;
+		limit = base + 63;
+	} else if (type == DRM_MINOR_RENDER) {
+		base += 128;
+		limit = base + 63;
+	}
 
 	mutex_lock(&dev->struct_mutex);
 	ret = idr_alloc(&drm_minors_idr, NULL, base, limit, GFP_KERNEL);