tree: https://gitlab.freedesktop.org/agd5f/linux.git drm-next head: e23fcf632883babbea03fc27f7993e151969b652 commit: c34242eea16f7d973501267142dd340cad3caeec [56/91] drm/amdgpu: add new query interface for umc_v8_7 block config: i386-randconfig-a001-20220117 (https://download.01.org/0day-ci/archive/20220119/202201191214.xx7M9Hem-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project f7b7138a62648f4019c55e4671682af1f851f295) 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 git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git git fetch --no-tags agd5f drm-next git checkout c34242eea16f7d973501267142dd340cad3caeec # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/amd/amdgpu/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): uint32_t umc_reg_offset = 0; ^ 1 warning generated. vim +/umc_reg_offset +97 drivers/gpu/drm/amd/amdgpu/umc_v8_7.c 89 90 static void umc_v8_7_ecc_info_query_ras_error_count(struct amdgpu_device *adev, 91 void *ras_error_status) 92 { 93 struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status; 94 95 uint32_t umc_inst = 0; 96 uint32_t ch_inst = 0; 98 uint32_t channel_index = 0; 99 100 /* TODO: driver needs to toggle DF Cstate to ensure 101 * safe access of UMC registers. Will add the protection 102 */ 103 LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) { 104 umc_reg_offset = get_umc_v8_7_reg_offset(adev, 105 umc_inst, 106 ch_inst); 107 channel_index = get_umc_v8_7_channel_index(adev, 108 umc_inst, 109 ch_inst); 110 umc_v8_7_ecc_info_query_correctable_error_count(adev, 111 channel_index, 112 &(err_data->ce_count)); 113 umc_v8_7_ecc_info_querry_uncorrectable_error_count(adev, 114 channel_index, 115 &(err_data->ue_count)); 116 } 117 } 118 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org