Re: [PATCH 3/5] drm/panel: get/put panel reference in drm_panel_add/remove()

From: kernel test robot
Date: Tue Mar 25 2025 - 20:21:29 EST


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@xxxxxxxxx/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@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503260710.gDo7vXVR-lkp@xxxxxxxxx/

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