linux-kernel - Re: [PATCH v2 1/2] drm/bridge: add drm_bridge_unplug() and drm_bridge

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Message-ID: <202509271654.j3IsjsAJ-lkp@intel.com>
Date: Sat, 27 Sep 2025 16:58:00 +0800
From: kernel test robot <lkp@...el.com>
To: Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Robert Foss <rfoss@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Jonas Karlman <jonas@...boo.se>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	Hui Pu <Hui.Pu@...ealthcare.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Dmitry Baryshkov <lumag@...nel.org>
Subject: Re: [PATCH v2 1/2] drm/bridge: add drm_bridge_unplug() and
 drm_bridge_enter/exit()

Hi Luca,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 7acbe30813f04cccf7b2e8b571eb7936cfec0a87]

url:    https://github.com/intel-lab-lkp/linux/commits/Luca-Ceresoli/drm-bridge-add-drm_bridge_unplug-and-drm_bridge_enter-exit/20250927-003721
base:   7acbe30813f04cccf7b2e8b571eb7936cfec0a87
patch link:    https://lore.kernel.org/r/20250926-drm-bridge-atomic-vs-remove-v2-1-69f7d5ca1a92%40bootlin.com
patch subject: [PATCH v2 1/2] drm/bridge: add drm_bridge_unplug() and drm_bridge_enter/exit()
config: x86_64-buildonly-randconfig-002-20250927 (https://download.01.org/0day-ci/archive/20250927/202509271654.j3IsjsAJ-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250927/202509271654.j3IsjsAJ-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202509271654.j3IsjsAJ-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> Warning: drivers/gpu/drm/drm_bridge.c:218 function parameter 'bridge' not described in 'drm_bridge_enter'
>> Warning: drivers/gpu/drm/drm_bridge.c:253 function parameter 'bridge' not described in 'drm_bridge_unplug'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki