Hi, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on next-20210615] [cannot apply to v5.13-rc6] [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] url: https://github.com/0day-ci/linux/commits/John-C-Harrison-Intel-com/Add-support-for-querying-hw-info-that-UMDs-need/20210616-141805 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-randconfig-a002-20210616 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/0006532f8f4a6f0ff36af11df58e8705af452e3c git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review John-C-Harrison-Intel-com/Add-support-for-querying-hw-info-that-UMDs-need/20210616-141805 git checkout 0006532f8f4a6f0ff36af11df58e8705af452e3c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/gpu/drm/i915/gt/uc/intel_guc_hwconfig.c:19: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * GuC has a blob containing hardware configuration information (hwconfig). drivers/gpu/drm/i915/gt/uc/intel_guc_hwconfig.c:125: warning: Function parameter or member 'hwconfig' not described in 'intel_guc_hwconfig_init' drivers/gpu/drm/i915/gt/uc/intel_guc_hwconfig.c:160: warning: Function parameter or member 'hwconfig' not described in 'intel_guc_hwconfig_fini' vim +19 drivers/gpu/drm/i915/gt/uc/intel_guc_hwconfig.c 17 18 /** > 19 * GuC has a blob containing hardware configuration information (hwconfig). 20 * This is formatted as a simple and flexible KLV (Key/Length/Value) table. 21 * 22 * For example, a minimal version could be: 23 * enum device_attr { 24 * ATTR_SOME_VALUE = 0, 25 * ATTR_SOME_MASK = 1, 26 * }; 27 * 28 * static const u32 hwconfig[] = { 29 * ATTR_SOME_VALUE, 30 * 1, // Value Length in DWords 31 * 8, // Value 32 * 33 * ATTR_SOME_MASK, 34 * 3, 35 * 0x00FFFFFFFF, 0xFFFFFFFF, 0xFF000000, 36 * }; 37 * 38 * The attribute ids are defined in a hardware spec. The current list as 39 * known to the i915 driver can be found in i915/gt/intel_guc_hwconfig_types.h 40 */ 41 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org