Hi Yongbang, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.14-rc3 next-20250221] [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/Yongbang-Shi/drm-hisilicon-hibmc-Restructuring-the-header-dp_reg-h/20250222-110052 base: linus/master patch link: https://lore.kernel.org/r/20250222025102.1519798-8-shiyongbang%40huawei.com patch subject: [PATCH v3 drm-dp 7/8] drm/hisilicon/hibmc: Enable this hot plug detect of irq feature config: arm64-randconfig-004-20250223 (https://download.01.org/0day-ci/archive/20250223/202502231304.BCzV4Y8D-lkp@xxxxxxxxx/config) compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 204dcafec0ecf0db81d420d2de57b02ada6b09ec) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250223/202502231304.BCzV4Y8D-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/202502231304.BCzV4Y8D-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "drm_client_init" [drivers/gpu/drm/hisilicon/hibmc/hibmc-drm.ko] undefined! >> ERROR: modpost: "drm_client_register" [drivers/gpu/drm/hisilicon/hibmc/hibmc-drm.ko] undefined! >> ERROR: modpost: "drm_client_release" [drivers/gpu/drm/hisilicon/hibmc/hibmc-drm.ko] undefined! -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
