Hi KuoHsiang, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm/drm-next] [also build test WARNING on drm-intel/for-linux-next drm-tip/drm-tip drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next v5.16-rc2 next-20211125] [cannot apply to airlied/drm-next] [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/KuoHsiang-Chou/drm-ast-Create-the-driver-for-ASPEED-proprietory-Display-Port/20211122-183830 base: git://anongit.freedesktop.org/drm/drm drm-next config: i386-randconfig-c021-20211123 (https://download.01.org/0day-ci/archive/20211125/202111252305.4CNMgIAc-lkp@xxxxxxxxx/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> cocci warnings: (new ones prefixed by >>) >> drivers/gpu/drm/ast/ast_dp.c:166:3-4: Unneeded semicolon Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx