Hi Sui, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm/drm-next] [also build test WARNING on robh/for-next linus/master v5.17 next-20220325] [cannot apply to mripard/sunxi/for-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Sui-Jingfeng/drm-loongson-add-drm-driver-for-loongson-display-controller/20220327-194016 base: git://anongit.freedesktop.org/drm/drm drm-next config: parisc-randconfig-r003-20220327 (https://download.01.org/0day-ci/archive/20220327/202203272117.q6tMwBFo-lkp@xxxxxxxxx/config) compiler: hppa-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 # https://github.com/intel-lab-lkp/linux/commit/e90d831d05f2c1b5631fd706fb449e83e64f632c git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Sui-Jingfeng/drm-loongson-add-drm-driver-for-loongson-display-controller/20220327-194016 git checkout e90d831d05f2c1b5631fd706fb449e83e64f632c # 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=parisc SHELL=/bin/bash drivers/gpu/drm/loongson/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/gpu/drm/loongson/lsdc_debugfs.c:149: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * vram debugfs related ... vim +149 drivers/gpu/drm/loongson/lsdc_debugfs.c 147 148 /** > 149 * vram debugfs related ... 150 */ 151 static int lsdc_vram_mm_show(struct seq_file *m, void *data) 152 { 153 struct drm_info_node *node = (struct drm_info_node *)m->private; 154 struct drm_vram_mm *vmm = node->minor->dev->vram_mm; 155 struct ttm_resource_manager *man = ttm_manager_type(&vmm->bdev, TTM_PL_VRAM); 156 struct drm_printer p = drm_seq_file_printer(m); 157 158 ttm_resource_manager_debug(man, &p); 159 return 0; 160 } 161 -- 0-DAY CI Kernel Test Service https://01.org/lkp
