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

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Message-ID: <202503261119.h0EEYLFA-lkp@intel.com>
Date: Wed, 26 Mar 2025 12:35:29 +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: llvm@...ts.linux.dev, 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: hexagon-randconfig-002-20250326 (https://download.01.org/0day-ci/archive/20250326/202503261119.h0EEYLFA-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project c2692afc0a92cd5da140dfcdfff7818a5b8ce997)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250326/202503261119.h0EEYLFA-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/202503261119.h0EEYLFA-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: drm_panel_get
   >>> referenced by drm_panel.c:82 (drivers/gpu/drm/drm_panel.c:82)
   >>>               drivers/gpu/drm/drm_panel.o:(drm_panel_add) in archive vmlinux.a
   >>> referenced by drm_panel.c:82 (drivers/gpu/drm/drm_panel.c:82)
   >>>               drivers/gpu/drm/drm_panel.o:(drm_panel_add) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: drm_panel_put
   >>> referenced by drm_panel.c:100 (drivers/gpu/drm/drm_panel.c:100)
   >>>               drivers/gpu/drm/drm_panel.o:(drm_panel_remove) in archive vmlinux.a
   >>> referenced by drm_panel.c:100 (drivers/gpu/drm/drm_panel.c:100)
   >>>               drivers/gpu/drm/drm_panel.o:(drm_panel_remove) in archive vmlinux.a

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