Hi Moudy, Thank you for the patch! Yet something to improve: [auto build test ERROR on linuxtv-media/master] [also build test ERROR on robh/for-next linus/master v5.14-rc6 next-20210819] [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/Moudy-Ho/media-mediatek-support-... base: git://linuxtv.org/media_tree.git master config: hexagon-randconfig-r045-20210819 (attached as .config) compiler: clang version 12.0.0 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 # https://github.com/0day-ci/linux/commit/ffae2ca50c715cb1ded96d9374a828831... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Moudy-Ho/media-mediatek-support-mdp3-on-mt8183-platform/20210819-151256 git checkout ffae2ca50c715cb1ded96d9374a82883190f548d # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=hexagon SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): -- --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org