RE: [PATCH] drm/bridge: fix build with CONFIG_OF=n

[Jani Nikula <jani.nikula@linux.intel.com>]

On Thu, 22 May 2025, "Borah, Chaitanya Kumar" <chaitanya.kumar.borah@intel.com> wrote:
>> -----Original Message-----
>> From: dri-devel <dri-devel-bounces@lists.freedesktop.org> On Behalf Of Luca
>> Ceresoli
>> Sent: Thursday, May 22, 2025 12:43 PM
>> To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>; Maxime Ripard
>> <mripard@kernel.org>; Thomas Zimmermann <tzimmermann@suse.de>;
>> Hajda, Andrzej <andrzej.hajda@intel.com>; Neil Armstrong
>> <neil.armstrong@linaro.org>; Robert Foss <rfoss@kernel.org>; Laurent
>> Pinchart <Laurent.pinchart@ideasonboard.com>; Jonas Karlman
>> <jonas@kwiboo.se>; Jernej Skrabec <jernej.skrabec@gmail.com>; David
>> Airlie <airlied@gmail.com>; Simona Vetter <simona@ffwll.ch>; Ville Syrjala
>> <ville.syrjala@linux.intel.com>
>> Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>; dri-
>> devel@lists.freedesktop.org; linux-kernel@vger.kernel.org; Luca Ceresoli
>> <luca.ceresoli@bootlin.com>
>> Subject: [PATCH] drm/bridge: fix build with CONFIG_OF=n
>> 
>> Commit 5164553d739e ("drm/bridge: add devm_drm_put_bridge()") adds
>> two declarations for devm_drm_put_bridge():
>> 
>>  1) an inline declaration in the #else branch of
>>     '#if defined(CONFIG_OF)...'
>>  2) one outside of the same #if
>> 
>> This results in a build failure with CONFIG_OF=n:
>> 
>>   ../drivers/gpu/drm/drm_bridge.c:1406:6: error: redefinition of
>> ‘devm_drm_put_bridge’
>> 
>> The function has nothing to do with OF, thus fix by removing declaration 1.
>
> LGTM. Fixes the build error.
>
> Tested-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
> Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>

Ditto. Please merge.

BR,
Jani.

>
>
>> 
>> Fixes: 5164553d739e ("drm/bridge: add devm_drm_put_bridge()")
>> Reported-by: Ville Syrjala <ville.syrjala@linux.intel.com>
>> Closes: https://oftc.catirclogs.org/dri-devel/2025-05-21#34288266;
>> Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
>> ---
>>  include/drm/drm_bridge.h | 2 --
>>  1 file changed, 2 deletions(-)
>> 
>> diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index
>> 464da28f9134f0fcece5c72a8c5fe7f3e42c7e3d..0af5db244db8580ea0c9af1d9a
>> 373b7bf62ee699 100644
>> --- a/include/drm/drm_bridge.h
>> +++ b/include/drm/drm_bridge.h
>> @@ -1311,8 +1311,6 @@ static inline struct drm_bridge
>> *devm_drm_of_get_bridge(struct device *dev,
>>  	return ERR_PTR(-ENODEV);
>>  }
>> 
>> -static inline void devm_drm_put_bridge(struct device *dev, struct
>> drm_bridge *bridge) {}
>> -
>>  static inline struct drm_bridge *drmm_of_get_bridge(struct drm_device
>> *drm,
>>  						     struct device_node *node,
>>  						     u32 port,
>> 
>> ---
>> base-commit: a3436f63aa4f93b043a970cc72a196a501191ecc
>> change-id: 20250522-devm_drm_put_bridge-fix-non-of-build-fbb67d28494c
>> 
>> Best regards,
>> --
>> Luca Ceresoli <luca.ceresoli@bootlin.com>
>

-- 
Jani Nikula, Intel