linux-kernel - [PATCH 10/10] drm/todo: remove task for idr_init

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Message-Id: <20220701190227.284783-3-dakr@redhat.com>
Date:   Fri,  1 Jul 2022 21:02:27 +0200
From:   dakr@...hat.com
To:     airlied@...ux.ie, daniel@...ll.ch, christian.koenig@....com,
        emma@...olt.net
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Danilo Krummrich <dakr@...hat.com>
Subject: [PATCH 10/10] drm/todo: remove task for idr_init_base()

From: Danilo Krummrich <dakr@...hat.com>

All IDRs in the DRM core and drivers which are applicable for using
idr_init_base() over idr_init() should be set up to use a proper base in
order to avoid unnecessary tree walks.

Signed-off-by: Danilo Krummrich <dakr@...hat.com>
---
 Documentation/gpu/todo.rst | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst
index 10bfb50908d1..de226ccc2c54 100644
--- a/Documentation/gpu/todo.rst
+++ b/Documentation/gpu/todo.rst
@@ -322,18 +322,6 @@ Contact: Daniel Vetter, Noralf Tronnes
 
 Level: Advanced
 
-idr_init_base()
----------------
-
-DRM core&drivers uses a lot of idr (integer lookup directories) for mapping
-userspace IDs to internal objects, and in most places ID=0 means NULL and hence
-is never used. Switching to idr_init_base() for these would make the idr more
-efficient.
-
-Contact: Daniel Vetter
-
-Level: Starter
-
 struct drm_gem_object_funcs
 ---------------------------
 
-- 
2.36.1