Hi Rohit, FYI, the error/warning still remains. tree: git://linuxtv.org/pinchartl/media.git muxed/2022.2/base head: e26621179c3b1834a1bb17e9a38e47238ac63bf5 commit: 1d0aa998d1cfa9ca6f660f00578ce11f93ab6a42 [379/740] media: v4l: Support 3 planar YUV444P 8bpc pixel format in contiguous memory reproduce: git remote add pinchartl-media git://linuxtv.org/pinchartl/media.git git fetch --no-tags pinchartl-media muxed/2022.2/base git checkout 1d0aa998d1cfa9ca6f660f00578ce11f93ab6a42 make menuconfig # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS make htmldocs 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/202302140644.eDQ9OziI-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> Documentation/output/videodev2.h.rst:6: WARNING: undefined label: v4l2-pix-fmt-yuv444p (if the link has no caption the label must precede a section header) vim +6 Documentation/output/videodev2.h.rst -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests