linux-kernel - Re: [PATCH 2/2] drm: bridge: Add TI tmds181 and sn65dp159 driver

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Message-ID: <202508131549.DaogZRF9-lkp@intel.com>
Date: Wed, 13 Aug 2025 15:39:16 +0800
From: kernel test robot <lkp@...el.com>
To: Mike Looijmans <mike.looijmans@...ic.nl>,
	dri-devel@...ts.freedesktop.org
Cc: oe-kbuild-all@...ts.linux.dev, Mike Looijmans <mike.looijmans@...ic.nl>,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	David Airlie <airlied@...il.com>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Jonas Karlman <jonas@...boo.se>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Robert Foss <rfoss@...nel.org>, Simona Vetter <simona@...ll.ch>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] drm: bridge: Add TI tmds181 and sn65dp159 driver

Hi Mike,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 53e760d8949895390e256e723e7ee46618310361]

url:    https://github.com/intel-lab-lkp/linux/commits/Mike-Looijmans/dt-bindings-drm-bridge-ti-tmds181-Add-TI-TMDS181-and-SN65DP159-bindings/20250812-225413
base:   53e760d8949895390e256e723e7ee46618310361
patch link:    https://lore.kernel.org/r/20250812145256.135645-3-mike.looijmans%40topic.nl
patch subject: [PATCH 2/2] drm: bridge: Add TI tmds181 and sn65dp159 driver
config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20250813/202508131549.DaogZRF9-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 3769ce013be2879bf0b329c14a16f5cb766f26ce)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250813/202508131549.DaogZRF9-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/202508131549.DaogZRF9-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/bridge/ti-tmds181.c:273:41: warning: initializer-string for character array is too long, array size is 8 but initializer has size 9 (including the null terminating character); did you mean to use the 'nonstring' attribute? [-Wunterminated-string-initialization]
     273 | static const u8 tmds181_id_tmds181[8] = "TMDS181 ";
         |                                         ^~~~~~~~~~
   drivers/gpu/drm/bridge/ti-tmds181.c:274:41: warning: initializer-string for character array is too long, array size is 8 but initializer has size 9 (including the null terminating character); did you mean to use the 'nonstring' attribute? [-Wunterminated-string-initialization]
     274 | static const u8 tmds181_id_dp159[8]   = "DP159   ";
         |                                         ^~~~~~~~~~
   2 warnings generated.


vim +/nonstring +273 drivers/gpu/drm/bridge/ti-tmds181.c

   272	
 > 273	static const u8 tmds181_id_tmds181[8] = "TMDS181 ";
   274	static const u8 tmds181_id_dp159[8]   = "DP159   ";
   275	

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