diff --git a/Documentation/gpu/index.rst b/Documentation/gpu/index.rst
index 5d708a106b3f..65bf3b26e4f4 100644
--- a/Documentation/gpu/index.rst
+++ b/Documentation/gpu/index.rst
@@ -3,6 +3,7 @@ GPU Driver Developer's Guide
 ============================
 
 .. toctree::
+   :maxdepth: 2
 
    introduction
    drm-internals