Hi Christian, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.7-rc5 next-20231215] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Christian-K-nig/drm-ttm-replace-busy-placement-with-flags-v3/20231213-224456 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20231213144222.1871-3-christian.koenig%40amd.com patch subject: [PATCH 3/4] drm/ttm: improve idle/busy handling config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20231216/202312160809.nvmiBwrJ-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231216/202312160809.nvmiBwrJ-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/202312160809.nvmiBwrJ-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> scripts/kernel-doc: drivers/gpu/drm/ttm/ttm_resource.c:301: warning: Function parameter or struct member 'busy' not described in 'ttm_resource_compatible' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki