Re: [RFC PATCH 3/3] drm/log: Introduce a new boot logger to draw the kmsg on the screen

[kernel test robot <lkp@intel.com>]

Hi Jocelyn,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on bb99c51bdaa846bddb85a1e7acca3a3aa5e9f082]

url:    https://github.com/intel-lab-lkp/linux/commits/Jocelyn-Falempe/drm-panic-Squash-of-pending-series/20240802-204640
base:   bb99c51bdaa846bddb85a1e7acca3a3aa5e9f082
patch link:    https://lore.kernel.org/r/20240801100640.462606-4-jfalempe%40redhat.com
patch subject: [RFC PATCH 3/3] drm/log: Introduce a new boot logger to draw the kmsg on the screen
config: i386-buildonly-randconfig-006-20240803 (https://download.01.org/0day-ci/archive/20240804/202408040107.P9hJ7MiY-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240804/202408040107.P9hJ7MiY-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408040107.P9hJ7MiY-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: drm_log_register
   >>> referenced by drm_drv.c
   >>>               drivers/gpu/drm/drm_drv.o:(drm_dev_register) in archive vmlinux.a

-- 
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https://github.com/intel/lkp-tests/wiki