linux-kernel - Re: [PATCH 3/5] drm/panel: get/put panel reference in drm_panel

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Message-ID: <202503260710.gDo7vXVR-lkp@intel.com>
Date: Wed, 26 Mar 2025 08:18:07 +0800
From: kernel test robot <lkp@...el.com>
To: Anusha Srivatsa <asrivats@...hat.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Jessica Zhang <quic_jesszhan@...cinc.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: oe-kbuild-all@...ts.linux.dev, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Anusha Srivatsa <asrivats@...hat.com>
Subject: Re: [PATCH 3/5] drm/panel: get/put panel reference in
 drm_panel_add/remove()

Hi Anusha,

kernel test robot noticed the following build errors:

[auto build test ERROR on c8ba07caaecc622a9922cda49f24790821af8a71]

url:    https://github.com/intel-lab-lkp/linux/commits/Anusha-Srivatsa/drm-panel-Add-new-helpers-for-refcounted-panel-allocatons/20250326-012651
base:   c8ba07caaecc622a9922cda49f24790821af8a71
patch link:    https://lore.kernel.org/r/20250325-b4-panel-refcounting-v1-3-4e2bf5d19c5d%40redhat.com
patch subject: [PATCH 3/5] drm/panel: get/put panel reference in drm_panel_add/remove()
config: xtensa-randconfig-001-20250326 (https://download.01.org/0day-ci/archive/20250326/202503260710.gDo7vXVR-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250326/202503260710.gDo7vXVR-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/202503260710.gDo7vXVR-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

WARNING: modpost: missing MODULE_DESCRIPTION() in arch/xtensa/platforms/iss/simdisk.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/slub_kunit.o
>> ERROR: modpost: "drm_panel_put" [drivers/gpu/drm/drm.ko] undefined!
>> ERROR: modpost: "drm_panel_get" [drivers/gpu/drm/drm.ko] undefined!

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