Hi Hsia-Jun, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on drm/drm-next drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.1-rc7 next-20221130] [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/Hsia-Jun-Li/Add-pixel-formats-used-in-Synatpics-SoC/20221130-172411 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20221130092149.102788-3-randy.li%40synaptics.com patch subject: [PATCH v5 2/2] Documentation/gpu: Add Synaptics tiling formats documentation reproduce: # https://github.com/intel-lab-lkp/linux/commit/7f84f8d9c98d589eb7283261c18f3702e69e236d git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Hsia-Jun-Li/Add-pixel-formats-used-in-Synatpics-SoC/20221130-172411 git checkout 7f84f8d9c98d589eb7283261c18f3702e69e236d 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 All warnings (new ones prefixed by >>): >> Documentation/gpu/synaptics.rst:57: WARNING: malformed hyperlink target. vim +57 Documentation/gpu/synaptics.rst 48 49 .. flat-table:: Synpatics Image Format Modifiers 50 :header-rows: 1 51 :stub-columns: 0 52 :widths: 3 1 8 53 54 * - Identifier 55 - Fourcc 56 - Details > 57 * .. _DRM-FORMAT-MOD-SYNA-V4H1 58 59 - ``DRM_FORMAT_MOD_SYNA_V4H1`` 60 - ``DRM_FORMAT_NV12`` 61 - The plain uncompressed 8 bits tile format. It sounds similar to 62 Intel's Y-tile. but it won't take any pixel from the next X direction 63 in a tile group. The line stride and image height must be aligned to 64 a multiple of 16. The height of chrominance plane would plus 8. 65 * .. _DRM-FORMAT-MOD-SYNA-V4H3P8 66 67 - ``DRM_FORMAT_MOD_SYNA_V4H3P8`` 68 - ``DRM_FORMAT_NV15`` 69 - The plain uncompressed 10 bits tile format. It stores pixel in 2D 70 3x4 tiles with a 8bits padding to each of tile. Then a tile is in a 71 128 bits cache line. 72 * .. _DRM-FORMAT-MOD-SYNA-V4H1-64L4-COMPRESSED 73 74 - ``DRM_FORMAT_MOD_SYNA_V4H1_64L4_COMPRESSED`` 75 - ``DRM_FORMAT_NV12`` 76 - Group of tiles and compressed variant of ``DRM_FORMAT_MOD_SYNA_V4H1``. 77 A group of tiles would contain 64x4 pixels, where a tile has 1x4 78 pixel. 79 * .. _DRM-FORMAT-MOD-SYNA-V4H3P8-64L4-COMPRESSED 80 81 - ``DRM_FORMAT_MOD_SYNA_V4H3P8_64L4_COMPRESSED`` 82 - ``DRM_FORMAT_NV15`` 83 - Group of tiles and compressed variant of ``DRM_FORMAT_MOD_SYNA_V4H3P8``. 84 A group of tiles would contains 48x4 pixels, where a tile has 3x4 pixels 85 and a 8 bits padding in the end of a tile. A group of tiles would 86 be 256 bytes. 87 * .. _DRM-FORMAT-MOD-SYNA-V4H1-128L128-COMPRESSED 88 89 - ``DRM_FORMAT_MOD_SYNA_V4H1_128L128_COMPRESSED`` 90 - ``DRM_FORMAT_NV12`` 91 - Group of tiles and compressed variant of ``DRM_FORMAT_MOD_SYNA_V4H1``. 92 A group of tiles would contain 128x32 pixels, where a tile has 1x4 pixel. 93 * .. _DRM-FORMAT-MOD-SYNA-V4H3P8-128L128-COMPRESSED 94 95 - ``DRM_FORMAT_MOD_SYNA_V4H3P8_128L128_COMPRESSED`` 96 - ``DRM_FORMAT_NV15`` 97 - Group of tiles and compressed variant of ``DRM_FORMAT_MOD_SYNA_V4H3P8``. 98 A group of tiles would contains 96x128 pixels, where a tile has 3x4 pixels 99 and a 8 bits padding in the end of a tile. A group of tiles would 100 be 16 KiB. 101 -- 0-DAY CI Kernel Test Service https://01.org/lkp