linux-kernel - Re: [PATCH v5 2/2] Documentation/gpu: Add Synaptics tiling formats documentation

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Message-ID: <202212011513.19kLY4e7-lkp@intel.com>
Date:   Thu, 1 Dec 2022 15:25:27 +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, nicolas@...fresne.ca,
        sakari.ailus@...ux.intel.com, airlied@...ux.ie, ayaka@...lik.info,
        linux-kernel@...r.kernel.org, tfiga@...omium.org,
        Hsia-Jun Li <randy.li@...aptics.com>,
        helen.koike@...labora.com, linux-media@...r.kernel.org,
        ezequiel@...guardiasur.com.ar, tzimmermann@...e.de,
        ribalda@...omium.org, sebastian.hesselbarth@...il.com,
        mchehab@...nel.org, linux-arm-kernel@...ts.infradead.org,
        laurent.pinchart@...asonboard.com
Subject: Re: [PATCH v5 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 v6.1-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 <lkp@...el.com>

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	

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