Hi Yongqiang, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on linus/master v6.3-rc3 next-20230320] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Yongqiang-Niu/drm-mediatek-add-dma-buffer-control-for-drm-plane-disable/20230320-110649 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20230320030449.5397-1-yongqiang.niu%40mediatek.com patch subject: [v3, PATCH] drm/mediatek: add dma buffer control for drm plane disable config: arm64-randconfig-r001-20230320 (https://download.01.org/0day-ci/archive/20230320/202303201543.ahrAhliY-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/ae19fefd6d548a2766bc6d1902c46d5baa39a202 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Yongqiang-Niu/drm-mediatek-add-dma-buffer-control-for-drm-plane-disable/20230320-110649 git checkout ae19fefd6d548a2766bc6d1902c46d5baa39a202 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303201543.ahrAhliY-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: module mediatek-drm uses symbol dma_buf_put from namespace DMA_BUF, but does not import it. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
