linux-kernel - Re: [PATCH v1 2/2] drm/amd/display: Adjust AUX brightness to be a granularity of 100

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Message-ID: <202508241901.DJ851kiv-lkp@intel.com>
Date: Sun, 24 Aug 2025 19:29:11 +0800
From: kernel test robot <lkp@...el.com>
To: Antheas Kapenekakis <lkml@...heas.dev>, amd-gfx@...ts.freedesktop.org
Cc: oe-kbuild-all@...ts.linux.dev, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Alex Deucher <alexander.deucher@....com>,
	Christian König <christian.koenig@....com>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	Harry Wentland <harry.wentland@....com>,
	Rodrigo Siqueira <siqueira@...lia.com>,
	Mario Limonciello <mario.limonciello@....com>,
	Peyton Lee <peytolee@....com>, Lang Yu <lang.yu@....com>,
	Antheas Kapenekakis <lkml@...heas.dev>
Subject: Re: [PATCH v1 2/2] drm/amd/display: Adjust AUX brightness to be a
 granularity of 100

Hi Antheas,

kernel test robot noticed the following build errors:

[auto build test ERROR on c17b750b3ad9f45f2b6f7e6f7f4679844244f0b9]

url:    https://github.com/intel-lab-lkp/linux/commits/Antheas-Kapenekakis/drm-amd-display-Adjust-AUX-brightness-to-be-a-granularity-of-100/20250824-165633
base:   c17b750b3ad9f45f2b6f7e6f7f4679844244f0b9
patch link:    https://lore.kernel.org/r/20250824085351.454619-2-lkml%40antheas.dev
patch subject: [PATCH v1 2/2] drm/amd/display: Adjust AUX brightness to be a granularity of 100
config: i386-buildonly-randconfig-002-20250824 (https://download.01.org/0day-ci/archive/20250824/202508241901.DJ851kiv-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250824/202508241901.DJ851kiv-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/202508241901.DJ851kiv-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.o: in function `amdgpu_dm_backlight_set_level':
>> amdgpu_dm.c:(.text+0x8b89): undefined reference to `__umoddi3'

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