Hi Brandon, kernel test robot noticed the following build errors: [auto build test ERROR on sunxi/sunxi/for-next] [also build test ERROR on linus/master v6.3-rc6 next-20230406] [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/Brandon-Cheo-Fusi/drm-sun4i-dsi-factor-out-DSI-PHY-poweron-and-poweroff/20230410-165257 base: https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git sunxi/for-next patch link: https://lore.kernel.org/r/20230410084750.164016-2-fusibrandon13%40gmail.com patch subject: [PATCH 1/2] drm: sun4i/dsi: factor out DSI PHY poweron and poweroff config: arm64-randconfig-r002-20230410 (https://download.01.org/0day-ci/archive/20230411/202304110053.n5nu03YZ-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 2c57868e2e877f73c339796c3374ae660bb77f0d) 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/afa9cb6821e4527f07c10a777ea44e380b524858 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Brandon-Cheo-Fusi/drm-sun4i-dsi-factor-out-DSI-PHY-poweron-and-poweroff/20230410-165257 git checkout afa9cb6821e4527f07c10a777ea44e380b524858 # 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 drivers/gpu/drm/sun4i/ 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/202304110053.n5nu03YZ-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c:843:13: error: incompatible function pointer types initializing 'void (*)(struct drm_encoder *)' with an expression of type 'void (struct drm_encoder *, struct drm_atomic_state *)' [-Wincompatible-function-pointer-types] .enable = sun6i_dsi_encoder_enable, ^~~~~~~~~~~~~~~~~~~~~~~~ 1 error generated. vim +843 drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c 133add5b5ad42b Maxime Ripard 2018-04-04 841 133add5b5ad42b Maxime Ripard 2018-04-04 842 static const struct drm_encoder_helper_funcs sun6i_dsi_enc_helper_funcs = { 133add5b5ad42b Maxime Ripard 2018-04-04 @843 .enable = sun6i_dsi_encoder_enable, 133add5b5ad42b Maxime Ripard 2018-04-04 844 }; 133add5b5ad42b Maxime Ripard 2018-04-04 845 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests