Hi Jason-JH.Lin", Thank you for the patch! Perhaps something to improve: [auto build test WARNING on next-20220909] [also build test WARNING on v6.0-rc4] [cannot apply to drm-misc/drm-misc-next robh/for-next drm/drm-next linus/master v6.0-rc4 v6.0-rc3 v6.0-rc2] [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/Jason-JH-Lin/Add-gamma-lut-support-for-mt8195/20220911-233949 base: 9a82ccda91ed2b40619cb3c10d446ae1f97bab6e config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20220912/202209120412.a3tFZuO9-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0 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/1d5b909c49fd62f1e6055fd3d077b9c5fae53e00 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jason-JH-Lin/Add-gamma-lut-support-for-mt8195/20220911-233949 git checkout 1d5b909c49fd62f1e6055fd3d077b9c5fae53e00 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/gpu/drm/mediatek/mtk_disp_gamma.c:59:14: warning: no previous prototype for 'mtk_gamma_get_size' [-Wmissing-prototypes] 59 | unsigned int mtk_gamma_get_size(struct device *dev) | ^~~~~~~~~~~~~~~~~~ vim +/mtk_gamma_get_size +59 drivers/gpu/drm/mediatek/mtk_disp_gamma.c 58 > 59 unsigned int mtk_gamma_get_size(struct device *dev) 60 { 61 struct mtk_disp_gamma *gamma = dev_get_drvdata(dev); 62 unsigned int lut_size = LUT_SIZE_DEFAULT; 63 64 if (gamma && gamma->data) 65 lut_size = gamma->data->lut_size; 66 67 return lut_size; 68 } 69 -- 0-DAY CI Kernel Test Service https://01.org/lkp
