Hi Arun, kernel test robot noticed the following build warnings: [auto build test WARNING on 65b94118bc585aefc7095c0e9554c3bb12d98a69] url: https://github.com/intel-lab-lkp/linux/commits/Arun-R-Murthy/drm-Define-user-readable-error-codes-for-atomic-ioctl/20260401-104315 base: 65b94118bc585aefc7095c0e9554c3bb12d98a69 patch link: https://lore.kernel.org/r/20260331-atomic-v11-2-6a1df7ec5af8%40intel.com patch subject: [PATCH v11 2/7] drm/atomic: Add error_code element in atomic_state config: arm64-randconfig-002-20260401 compiler: aarch64-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202604012136.SAWcFUli-lkp@intel.com/ All warnings (new ones prefixed by >>): >> Warning: drivers/gpu/drm/drm_atomic.c:2132 function parameter 'format' not described in 'drm_mode_atomic_add_error_msg' >> Warning: drivers/gpu/drm/drm_atomic.c:2132 function parameter 'format' not described in 'drm_mode_atomic_add_error_msg' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki