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drm/todo: add entry to remove devm_drm_put_bridge()

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devm_drm_put_bridge() is a temporary workaround waiting for the panel
bridge lifetime rework. Add a TODO entry to not forget it must be removed
after such rework.

Suggested-by: Maxime Ripard <mripard@kernel.org>
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250509-drm-bridge-convert-to-alloc-api-v3-22-b8bc1f16d7aa@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
This commit is contained in:
Luca Ceresoli 2025-05-09 15:53:48 +02:00
parent 9c399719cf
commit 027ce1eff3
1 changed files with 15 additions and 0 deletions
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15
Documentation/gpu/todo.rst
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@ -515,6 +515,21 @@ Contact: Douglas Anderson <dianders@chromium.org>
Level: Starter
Remove devm_drm_put_bridge()
----------------------------
Due to how the panel bridge handles the drm_bridge object lifetime, special
care must be taken to dispose of the drm_bridge object when the
panel_bridge is removed. This is currently managed using
devm_drm_put_bridge(), but that is an unsafe, temporary workaround. To fix
that, the DRM panel lifetime needs to be reworked. After the rework is
done, remove devm_drm_put_bridge() and the TODO in
drm_panel_bridge_remove().
Contact: Maxime Ripard <mripard@kernel.org>,
Luca Ceresoli <luca.ceresoli@bootlin.com>
Level: Intermediate
Core refactorings
=================