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-20231214] [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: arm-defconfig (https://download.01.org/0day-ci/archive/20231214/202312141637.ciYxVFVl-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231214/202312141637.ciYxVFVl-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/202312141637.ciYxVFVl-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/ttm/ttm_resource.c:301: warning: Function parameter or member 'busy' not described in 'ttm_resource_compatible' vim +301 drivers/gpu/drm/ttm/ttm_resource.c 544432703b2fe7 Arunpravin Paneer Selvam 2022-08-20 289 544432703b2fe7 Arunpravin Paneer Selvam 2022-08-20 290 /** 9909b7ee1d1561 Somalapuram Amaranath 2023-12-13 291 * ttm_resource_compatible - check if resource is compatible with placement 544432703b2fe7 Arunpravin Paneer Selvam 2022-08-20 292 * 9909b7ee1d1561 Somalapuram Amaranath 2023-12-13 293 * @res: the resource to check 9909b7ee1d1561 Somalapuram Amaranath 2023-12-13 294 * @placement: the placement to check against 544432703b2fe7 Arunpravin Paneer Selvam 2022-08-20 295 * 9909b7ee1d1561 Somalapuram Amaranath 2023-12-13 296 * Returns true if the placement is compatible. 544432703b2fe7 Arunpravin Paneer Selvam 2022-08-20 297 */ 9909b7ee1d1561 Somalapuram Amaranath 2023-12-13 298 bool ttm_resource_compatible(struct ttm_resource *res, 1e59504faf5d28 Christian König 2023-12-13 299 struct ttm_placement *placement, 1e59504faf5d28 Christian König 2023-12-13 300 bool busy) 98cca519df6da6 Christian König 2021-08-30 @301 { 544432703b2fe7 Arunpravin Paneer Selvam 2022-08-20 302 struct ttm_buffer_object *bo = res->bo; 544432703b2fe7 Arunpravin Paneer Selvam 2022-08-20 303 struct ttm_device *bdev = bo->bdev; 98cca519df6da6 Christian König 2021-08-30 304 unsigned i; 98cca519df6da6 Christian König 2021-08-30 305 98cca519df6da6 Christian König 2021-08-30 306 if (res->placement & TTM_PL_FLAG_TEMPORARY) 98cca519df6da6 Christian König 2021-08-30 307 return false; 98cca519df6da6 Christian König 2021-08-30 308 9909b7ee1d1561 Somalapuram Amaranath 2023-12-13 309 for (i = 0; i < placement->num_placement; i++) { 9909b7ee1d1561 Somalapuram Amaranath 2023-12-13 310 const struct ttm_place *place = &placement->placement[i]; 9909b7ee1d1561 Somalapuram Amaranath 2023-12-13 311 struct ttm_resource_manager *man; 9909b7ee1d1561 Somalapuram Amaranath 2023-12-13 312 9909b7ee1d1561 Somalapuram Amaranath 2023-12-13 313 if (res->mem_type != place->mem_type) 9909b7ee1d1561 Somalapuram Amaranath 2023-12-13 314 continue; 98cca519df6da6 Christian König 2021-08-30 315 1e59504faf5d28 Christian König 2023-12-13 316 if (place->flags & (busy ? TTM_PL_FLAG_IDLE : TTM_PL_FLAG_BUSY)) 1e59504faf5d28 Christian König 2023-12-13 317 continue; 1e59504faf5d28 Christian König 2023-12-13 318 1e59504faf5d28 Christian König 2023-12-13 319 if (place->flags & TTM_PL_FLAG_CONTIGUOUS && 1e59504faf5d28 Christian König 2023-12-13 320 !(res->placement & TTM_PL_FLAG_CONTIGUOUS)) 1e59504faf5d28 Christian König 2023-12-13 321 continue; 1e59504faf5d28 Christian König 2023-12-13 322 9909b7ee1d1561 Somalapuram Amaranath 2023-12-13 323 man = ttm_manager_type(bdev, res->mem_type); 9909b7ee1d1561 Somalapuram Amaranath 2023-12-13 324 if (man->func->compatible && 9909b7ee1d1561 Somalapuram Amaranath 2023-12-13 325 !man->func->compatible(man, res, place, bo->base.size)) 98cca519df6da6 Christian König 2021-08-30 326 continue; 98cca519df6da6 Christian König 2021-08-30 327 98cca519df6da6 Christian König 2021-08-30 328 return true; 98cca519df6da6 Christian König 2021-08-30 329 } 98cca519df6da6 Christian König 2021-08-30 330 return false; 98cca519df6da6 Christian König 2021-08-30 331 } 98cca519df6da6 Christian König 2021-08-30 332 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
