diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst
index 92ee2f982572..96f8ec7dbe4e 100644
--- a/Documentation/gpu/todo.rst
+++ b/Documentation/gpu/todo.rst
@@ -304,6 +304,18 @@ There's a bunch of issues with it:
 
 Contact: Daniel Vetter
 
+KMS cleanups
+------------
+
+Some of these date from the very introduction of KMS in 2008 ...
+
+- drm_mode_config.crtc_idr is misnamed, since it contains all KMS object. Should
+  be renamed to drm_mode_config.object_idr.
+
+- drm_display_mode doesn't need to be derived from drm_mode_object. That's
+  leftovers from older (never merged into upstream) KMS designs where modes
+  where set using their ID, including support to add/remove modes.
+
 Better Testing
 ==============