Hi Zou, Thank you for the patch! Yet something to improve: [auto build test ERROR on next-20201102] url: https://github.com/0day-ci/linux/commits/Zou-Wei/drm-amd-pm-remove-unused-variable/20201102-195853 base: b49976d8ef6448e86a7fda6a86f64867942b442d config: x86_64-randconfig-a004-20201102 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cc91554ebb66e8c9a4b8c67ca2f1343eaac10cf6) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/4a14c85aff468b2d26c02415991b440b0b56fc75 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Zou-Wei/drm-amd-pm-remove-unused-variable/20201102-195853 git checkout 4a14c85aff468b2d26c02415991b440b0b56fc75 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c:402:3: error: use of undeclared identifier 'ret' ret = vangogh_get_smu_metrics_data(smu, ^ 1 error generated. vim +/ret +402 drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c 271ab489f755245 Xiaojian Du 2020-10-26 392 271ab489f755245 Xiaojian Du 2020-10-26 393 static int vangogh_get_current_activity_percent(struct smu_context *smu, 271ab489f755245 Xiaojian Du 2020-10-26 394 enum amd_pp_sensors sensor, 271ab489f755245 Xiaojian Du 2020-10-26 395 uint32_t *value) 271ab489f755245 Xiaojian Du 2020-10-26 396 { 271ab489f755245 Xiaojian Du 2020-10-26 397 if (!value) 271ab489f755245 Xiaojian Du 2020-10-26 398 return -EINVAL; 271ab489f755245 Xiaojian Du 2020-10-26 399 271ab489f755245 Xiaojian Du 2020-10-26 400 switch (sensor) { 271ab489f755245 Xiaojian Du 2020-10-26 401 case AMDGPU_PP_SENSOR_GPU_LOAD: 271ab489f755245 Xiaojian Du 2020-10-26 @402 ret = vangogh_get_smu_metrics_data(smu, 271ab489f755245 Xiaojian Du 2020-10-26 403 METRICS_AVERAGE_GFXACTIVITY, 271ab489f755245 Xiaojian Du 2020-10-26 404 value); 271ab489f755245 Xiaojian Du 2020-10-26 405 break; 271ab489f755245 Xiaojian Du 2020-10-26 406 default: 271ab489f755245 Xiaojian Du 2020-10-26 407 dev_err(smu->adev->dev, "Invalid sensor for retrieving clock activity\n"); 271ab489f755245 Xiaojian Du 2020-10-26 408 return -EINVAL; 271ab489f755245 Xiaojian Du 2020-10-26 409 } 271ab489f755245 Xiaojian Du 2020-10-26 410 271ab489f755245 Xiaojian Du 2020-10-26 411 return 0; 271ab489f755245 Xiaojian Du 2020-10-26 412 } 271ab489f755245 Xiaojian Du 2020-10-26 413 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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