Re: [PATCH 0/7] drm: remove deprecated *_of_get_bridge() from non-OF drivers (fixes build regression)

["Luca Ceresoli" <luca.ceresoli@bootlin.com>]

Hello Icenowy,

On Tue Sep 29, 2026 at 12:46 PM CEST, Icenowy Zheng wrote:
> 在 2026-09-29二的 12:36 +0200，Luca Ceresoli写道：
>> After commit Fixes: aa8a8c7e4641 ("drm/bridge: panel: move all code
>> to
>> drm_panel.c") some drivers fail building:
>>
>>   error: implicit declaration of function 'devm_drm_of_get_bridge'
>>
>> This is because devm_drm_of_get_bridge() (and drmm_of_get_bridge())
>> have
>> been moved to drm-panel.h.
>>
>> The affected drivers are those which:
>>
>>  * can be built without CONFIG_OF, and
>>  * don't include drm_panel.h
>>
>> The affected drivers are 3, fix them (patches 1-3) by replacing the
>> deprecated *_of_get_bridge() calls with
>> of_drm_get_bridge_by_endpoint().
>
> The comment of drm_of_find_panel_or_bridge() still suggests
> devm_of_get_bridge(), and the documentation at the head of drm_bridge.c
> also mentions it.

Ah, thanks for noticing. I'm taking a note to fix this later.

> BTW should drm_of_get_bridge_by_endpoint() has some drmm/devm variant?

Maybe, but not sure, as we introduce hotplug devm/drmm becomes pretty
useless and even annoying. However I haven't checked all the cases, so we
might reconsider this idea as we start converting more drivers though.

Luca

--
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com