Commit c637217e authored by Luca Ceresoli's avatar Luca Ceresoli
Browse files

drm/todo: add entry about converting to of_drm_find_and_get_bridge() 



of_drm_find_bridge() is deprecated, but converting some users is very
complex and should be reasonably doable only after the DRM panel bridge
lifetime rework. Add a TODO to track this.

Suggested-by: default avatarMaxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/dri-devel/20250319-stylish-lime-mongoose-0a18ad@houat/


Reviewed-by: default avatarMaxime Ripard <mripard@kernel.org>
Link: https://patch.msgid.link/20251216-drm-bridge-alloc-getput-drm_of_find_bridge-v3-3-b5165fab8058@bootlin.com


Signed-off-by: default avatarLuca Ceresoli <luca.ceresoli@bootlin.com>
parent 9da0e06a

Documentation/gpu/todo.rst

+16 −0
Original line number Diff line number Diff line
@@ -506,6 +506,22 @@ Contact: Maxime Ripard <mripard@kernel.org>, 


Level: Intermediate



Convert users of of_drm_find_bridge() to of_drm_find_and_get_bridge()

---------------------------------------------------------------------



Taking a struct drm_bridge pointer requires getting a reference and putting

it after disposing of the pointer. Most functions returning a struct

drm_bridge pointer already call drm_bridge_get() to increment the refcount

and their users have been updated to call drm_bridge_put() when

appropriate. of_drm_find_bridge() does not get a reference and it has been

deprecated in favor of of_drm_find_and_get_bridge() which does, but some

users still need to be converted.



Contact: Maxime Ripard <mripard@kernel.org>,

         Luca Ceresoli <luca.ceresoli@bootlin.com>



Level: Intermediate



Core refactorings

=================