linux-kernel - [PATCH 6/6] drm/todo: update the debugfs clean up task

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Message-Id: <20221122190314.185015-7-mcanal@igalia.com>
Date:   Tue, 22 Nov 2022 16:03:14 -0300
From:   Maíra Canal <mcanal@...lia.com>
To:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Oded Gabbay <ogabbay@...nel.org>
Cc:     Melissa Wen <mwen@...lia.com>,
        André Almeida <andrealmeid@...lia.com>,
        Emma Anholt <emma@...olt.net>,
        Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>,
        Wambui Karuga <wambui@...uga.org>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Maíra Canal <mcanal@...lia.com>
Subject: [PATCH 6/6] drm/todo: update the debugfs clean up task

The structs drm_debugfs_info and drm_debugfs_entry introduced a new
debugfs structure to DRM, centered on drm_device instead of drm_minor.
Therefore, remove the tasks related to create a new device-centered
debugfs structure and add a new task to replace the use of
drm_debugfs_create_files() for the use of drm_debugfs_add_file() and
drm_debugfs_add_files().

Signed-off-by: Maíra Canal <mcanal@...lia.com>
---
 Documentation/gpu/todo.rst | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst
index b2c6aaf1edf2..f64abf69f341 100644
--- a/Documentation/gpu/todo.rst
+++ b/Documentation/gpu/todo.rst
@@ -508,17 +508,14 @@ Clean up the debugfs support
 
 There's a bunch of issues with it:
 
-- The drm_info_list ->show() function doesn't even bother to cast to the drm
-  structure for you. This is lazy.
+- Convert drivers to support the drm_debugfs_add_files() function instead of
+  the drm_debugfs_create_files() function.
 
 - We probably want to have some support for debugfs files on crtc/connectors and
   maybe other kms objects directly in core. There's even drm_print support in
   the funcs for these objects to dump kms state, so it's all there. And then the
   ->show() functions should obviously give you a pointer to the right object.
 
-- The drm_info_list stuff is centered on drm_minor instead of drm_device. For
-  anything we want to print drm_device (or maybe drm_file) is the right thing.
-
 - The drm_driver->debugfs_init hooks we have is just an artifact of the old
   midlayered load sequence. DRM debugfs should work more like sysfs, where you
   can create properties/files for an object anytime you want, and the core
@@ -527,8 +524,6 @@ There's a bunch of issues with it:
   this (together with the drm_minor->drm_device move) would allow us to remove
   debugfs_init.
 
-Previous RFC that hasn't landed yet: https://lore.kernel.org/dri-devel/20200513114130.28641-2-wambui.karugax@gmail.com/
-
 Contact: Daniel Vetter
 
 Level: Intermediate
-- 
2.38.1