tree: https://gitlab.freedesktop.org/agd5f/linux.git drm-next head: dd152519d914e25cc126edafd370cae0df1adcf4 commit: 6480afda51d535cd62e0dc3bc1f6b4224f1b8fb3 [147/166] drm/amd/display: Support for DMUB HPD interrupt handling config: sparc-randconfig-r015-20210824 (attached as .config) compiler: sparc64-linux-gcc (GCC) 11.2.0 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 6480afda51d535cd62e0dc3bc1f6b4224f1b8fb3 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sparc 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 warnings (new ones prefixed by >>): vim +633 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c 622 623 /** 624 * dmub_aux_setconfig_reply_callback - Callback for AUX or SET_CONFIG command. 625 * @adev: amdgpu_device pointer 626 * @notify: dmub notification structure 627 * 628 * Dmub AUX or SET_CONFIG command completion processing callback 629 * Copies dmub notification to DM which is to be read by AUX command. 630 * issuing thread and also signals the event to wake up the thread. 631 */ 632 void dmub_aux_setconfig_callback(struct amdgpu_device *adev, struct dmub_notification *notify) 634 if (adev->dm.dmub_notify) 635 memcpy(adev->dm.dmub_notify, notify, sizeof(struct dmub_notification)); 636 if (notify->type == DMUB_NOTIFICATION_AUX_REPLY) 637 complete(&adev->dm.dmub_aux_transfer_done); 638 } 639 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org