tree: https://gitlab.freedesktop.org/agd5f/linux.git drm-next head: 5bbebaae14913a4180ff0cc7ddccfa177dba9705 commit: ed7208706448953c6f15009cf139135776c15713 [34/66] drm/amd/display: Fix for dmub outbox notification enable config: microblaze-buildonly-randconfig-r003-20220216 (https://download.01.org/0day-ci/archive/20220217/202202171607.KKSe7nmi-lk...) compiler: microblaze-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 ed7208706448953c6f15009cf139135776c15713 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=microblaze 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 >>): drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:419: warning: Cannot understand ***************************************************************************** on line 419 - I thought it was a doc line drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:3757: warning: Function parameter or member 'dc' not described in 'dc_enable_dmub_notifications' drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:3762: warning: Cannot understand ***************************************************************************** on line 3762 - I thought it was a doc line drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:3783: warning: Cannot understand ***************************************************************************** on line 3783 - I thought it was a doc line drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:3873: warning: Cannot understand ***************************************************************************** on line 3873 - I thought it was a doc line drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:3923: warning: Cannot understand ***************************************************************************** on line 3923 - I thought it was a doc line drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:3987: warning: Cannot understand ***************************************************************************** on line 3987 - I thought it was a doc line vim +3757 drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c 3739 3740 /** 3741 * dc_process_dmub_aux_transfer_async - Submits aux command to dmub via inbox message 3742 * Function: dc_enable_dmub_notifications 3743 * 3744 * @brief 3745 * Calls dc_is_dmub_outbox_supported to check if dmub fw supports outbox 3746 * notifications. All DMs shall switch to dc_is_dmub_outbox_supported. 3747 * This API shall be removed after switching. 3748 * 3749 * @param 3750 * [in] dc: dc structure 3751 * 3752 * @return 3753 * True if DMUB FW supports outbox notifications, False otherwise 3754 ***************************************************************************** 3755 */ 3756 bool dc_enable_dmub_notifications(struct dc *dc) 3758 return dc_is_dmub_outbox_supported(dc); 3759 } 3760 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org