linux-kernel - Re: [PATCH v6 2/2] Documentation/gpu: Add Synaptics tiling formats documentation

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Message-ID: <202303230311.mRoFe6oK-lkp@intel.com>
Date:   Thu, 23 Mar 2023 03:19:37 +0800
From:   kernel test robot <lkp@...el.com>
To:     Hsia-Jun Li <randy.li@...aptics.com>,
        dri-devel@...ts.freedesktop.org
Cc:     oe-kbuild-all@...ts.linux.dev, tzimmermann@...e.de,
        ayaka@...lik.info, linux-kernel@...r.kernel.org,
        tfiga@...omium.org, Hsia-Jun Li <randy.li@...aptics.com>,
        laurent.pinchart@...asonboard.com, ribalda@...omium.org,
        nicolas@...fresne.ca
Subject: Re: [PATCH v6 2/2] Documentation/gpu: Add Synaptics tiling formats
 documentation

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 v6.3-rc3 next-20230322]
[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/drm-fourcc-Add-Synaptics-VideoSmart-tiled-modifiers/20230322-163252
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20230322082910.115371-3-randy.li%40synaptics.com
patch subject: [PATCH v6 2/2] Documentation/gpu: Add Synaptics tiling formats documentation
reproduce:
        # https://github.com/intel-lab-lkp/linux/commit/51642395567738204b07b9c48e27d4a5298f1ca9
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Hsia-Jun-Li/drm-fourcc-Add-Synaptics-VideoSmart-tiled-modifiers/20230322-163252
        git checkout 51642395567738204b07b9c48e27d4a5298f1ca9
        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@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303230311.mRoFe6oK-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> Documentation/gpu/synaptics.rst:47: WARNING: Bullet list ends without a blank line; unexpected unindent.
>> Documentation/gpu/synaptics.rst:60: WARNING: Block quote ends without a blank line; unexpected unindent.
>> Documentation/gpu/synaptics.rst:38: WARNING: Error parsing content block for the "flat-table" directive: exactly one bullet list expected.

vim +47 Documentation/gpu/synaptics.rst

    37	
  > 38	.. flat-table:: Synpatics Image Format Modifiers
    39	
    40		* - Identifier
    41		  - Fourcc
    42		  - Details
    43	
    44		* - DRM_FORMAT_MOD_SYNA_V4H1
    45		  - DRM_FORMAT_NV12
    46		  - The plain uncompressed 8 bits tile format. It sounds similar to
  > 47		Intel's Y-tile. but it won't take any pixel from the next X direction
    48		in a tile group. The line stride and image height must be aligned to
    49		a multiple of 16. The height of chrominance plane would plus 8.
    50	
    51		* - DRM_FORMAT_MOD_SYNA_V4H3P8
    52		  - DRM_FORMAT_NV15
    53		  - The plain uncompressed 10 bits tile format. It stores pixel in 2D
    54		3x4 tiles with a 8bits padding to each of tile. Then a tile is in a
    55		128 bits cache line.
    56	
    57		* - DRM_FORMAT_MOD_SYNA_V4H1_64L4_COMPRESSED
    58		  - DRM_FORMAT_NV12
    59		  - Group of tiles and compressed variant of ``DRM_FORMAT_MOD_SYNA_V4H1``.
  > 60	    A group of tiles would contain 64x4 pixels, where a tile has 1x4

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