tree: https://github.com/jimc/linux.git dd-drm-next head: 599fc12dacf513227ee5c9815a16a3aaa1300f27 commit: d2840196f63f48d2ef2bdf7fe96c1ee9f85ac293 [18/19] drm: use DEFINE_DYNAMIC_DEBUG_TRACE_CATEGORIES in drm config: x86_64-randconfig-a015-20211016 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project a49f5386ce6b091da66ea7c3a1d9a588d53becf7) 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/jimc/linux/commit/d2840196f63f48d2ef2bdf7fe96c1ee9f85a... git remote add jimc https://github.com/jimc/linux.git git fetch --no-tags jimc dd-drm-next git checkout d2840196f63f48d2ef2bdf7fe96c1ee9f85ac293 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/ 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 >>): #if !defined(CONFIG_DRM_USE_DYNAMIC_DEBUG) ^ 1 error generated. vim +60 drivers/gpu/drm/drm_print.c 2d4d3ed562aa8f Jim Cromie 2020-08-17 59 2d4d3ed562aa8f Jim Cromie 2020-08-17 @60 #if !defined(CONFIG_DRM_USE_DYNAMIC_DEBUG) 2d4d3ed562aa8f Jim Cromie 2020-08-17 61 MODULE_PARM_DESC(debug, DRM_DEBUG_DESC); 2d4d3ed562aa8f Jim Cromie 2020-08-17 62 module_param_named(debug, __drm_debug, ulong, 0600); 2d4d3ed562aa8f Jim Cromie 2020-08-17 63 #else 2d4d3ed562aa8f Jim Cromie 2020-08-17 64 #include <linux/dynamic_debug.h> 2d4d3ed562aa8f Jim Cromie 2020-08-17 65 DEFINE_DYNAMIC_DEBUG_CATEGORIES(debug, __drm_debug, 2d4d3ed562aa8f Jim Cromie 2020-08-17 66 DRM_DEBUG_DESC, 2d4d3ed562aa8f Jim Cromie 2020-08-17 67 [0] = { DRM_DBG_CAT_CORE }, 2d4d3ed562aa8f Jim Cromie 2020-08-17 68 [1] = { DRM_DBG_CAT_DRIVER }, 2d4d3ed562aa8f Jim Cromie 2020-08-17 69 [2] = { DRM_DBG_CAT_KMS }, 2d4d3ed562aa8f Jim Cromie 2020-08-17 70 [3] = { DRM_DBG_CAT_PRIME }, 2d4d3ed562aa8f Jim Cromie 2020-08-17 71 [4] = { DRM_DBG_CAT_ATOMIC }, 2d4d3ed562aa8f Jim Cromie 2020-08-17 72 [5] = { DRM_DBG_CAT_VBL }, 2d4d3ed562aa8f Jim Cromie 2020-08-17 73 [6] = { DRM_DBG_CAT_STATE }, 2d4d3ed562aa8f Jim Cromie 2020-08-17 74 [7] = { DRM_DBG_CAT_LEASE }, 2d4d3ed562aa8f Jim Cromie 2020-08-17 75 [8] = { DRM_DBG_CAT_DP }, 2d4d3ed562aa8f Jim Cromie 2020-08-17 76 [9] = { DRM_DBG_CAT_DRMRES }); d2840196f63f48 Jim Cromie 2021-10-05 77 :::::: The code at line 60 was first introduced by commit :::::: 2d4d3ed562aa8feb1da40b1105369d4c16b544cc drm_print: add choice to use dynamic debug in drm-debug :::::: TO: Jim Cromie <jim.cromie(a)gmail.com&gt; :::::: CC: Jim Cromie <jim.cromie(a)gmail.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org