linux-kernel - Re: [PATCH v3 09/17] drm/bridge: dp_typec: Allow users to hook hpd notify path

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Message-ID: <202408201747.NMpzuToG-lkp@intel.com>
Date: Tue, 20 Aug 2024 18:06:31 +0800
From: kernel test robot <lkp@...el.com>
To: Stephen Boyd <swboyd@...omium.org>, chrome-platform@...ts.linux.dev
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	patches@...ts.linux.dev, devicetree@...r.kernel.org,
	Douglas Anderson <dianders@...omium.org>,
	Pin-yen Lin <treapking@...omium.org>,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	Benson Leung <bleung@...omium.org>,
	Conor Dooley <conor+dt@...nel.org>, Daniel Vetter <daniel@...ll.ch>,
	David Airlie <airlied@...il.com>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	dri-devel@...ts.freedesktop.org,
	Guenter Roeck <groeck@...omium.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Jonas Karlman <jonas@...boo.se>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Lee Jones <lee@...nel.org>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Prashant Malani <pmalani@...omium.org>,
	Robert Foss <rfoss@...nel.org>, Rob Herring <robh+dt@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Tzung-Bi Shih <tzungbi@...nel.org>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Daniel Scally <djrscally@...il.com>
Subject: Re: [PATCH v3 09/17] drm/bridge: dp_typec: Allow users to hook hpd
 notify path

Hi Stephen,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 8400291e289ee6b2bf9779ff1c83a291501f017b]

url:    https://github.com/intel-lab-lkp/linux/commits/Stephen-Boyd/drm-atomic-helper-Introduce-lane-remapping-support-to-bridges/20240820-064107
base:   8400291e289ee6b2bf9779ff1c83a291501f017b
patch link:    https://lore.kernel.org/r/20240819223834.2049862-10-swboyd%40chromium.org
patch subject: [PATCH v3 09/17] drm/bridge: dp_typec: Allow users to hook hpd notify path
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20240820/202408201747.NMpzuToG-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240820/202408201747.NMpzuToG-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/202408201747.NMpzuToG-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/bridge/aux-hpd-bridge.c:61: warning: Function parameter or struct member 'orientation_switch' not described in 'drm_dp_typec_bridge_typec_port'
>> drivers/gpu/drm/bridge/aux-hpd-bridge.c:336: warning: Function parameter or struct member 'typec_bridge_dev' not described in 'drm_dp_typec_bridge_add_hpd_notify'


vim +336 drivers/gpu/drm/bridge/aux-hpd-bridge.c

   327	
   328	/**
   329	 * drm_dp_typec_bridge_add_hpd_notify: Register a callback called when the
   330	 * bridge chain hpd state changes
   331	 * @hpd_notify: callback for bridge hot plug detect events
   332	 * @hpd_data: data passed to @hpd_notify callback
   333	 */
   334	void drm_dp_typec_bridge_add_hpd_notify(struct drm_dp_typec_bridge_dev *typec_bridge_dev,
   335						hpd_notify_fn_t hpd_notify, void *hpd_data)
 > 336	{
   337		typec_bridge_dev->hpd_notify = hpd_notify;
   338		typec_bridge_dev->hpd_data = hpd_data;
   339	}
   340	EXPORT_SYMBOL_GPL(drm_dp_typec_bridge_add_hpd_notify);
   341	

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