htmldocs: include/uapi/linux/videodev2.h:880: WARNING: Invalid xref: std:ref:`v4l2-meta-fmt-rkisp2-params`. Possible alternatives:

htmldocs: include/uapi/linux/videodev2.h:880: WARNING: Invalid xref: std:ref:`v4l2-meta-fmt-rkisp2-params`. Possible alternatives:

[kernel test robot]

tree:   https://github.com/intel-lab-lkp/linux/commits/Paul-Elder/media-dt-bindings-Add-rockchip-rkisp2-bindings/20260425-032621
head:   0eb3098f7859b571065f4a9d89f1f72cf654ba06
commit: 94dc55dbdcf43c06972f251f2a260c33b18eb615 media: rkisp2: Add parameters output video node
date:   5 days ago
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
docutils: docutils (Docutils 0.21.2, Python 3.13.5, on linux)
reproduce: (https://download.01.org/0day-ci/archive/20260430/202604300527.cRmPEKT7-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202604300527.cRmPEKT7-lkp@intel.com/

All warnings (new ones prefixed by >>):

   Documentation/userspace-api/landlock:535: ./include/uapi/linux/landlock.h:166: ERROR: Unknown target name: "filesystem flags". [docutils]
   Documentation/userspace-api/landlock:535: ./include/uapi/linux/landlock.h:189: ERROR: Unknown target name: "network flags". [docutils]
   WARNING: ./include/uapi/linux/rkisp1-config.h:210 Enum value 'RKISP1_V30' not described in enum 'rkisp1_cif_isp_version'
   WARNING: ./include/uapi/linux/rkisp1-config.h:210 Enum value 'RKISP1_V30' not described in enum 'rkisp1_cif_isp_version'
   Documentation/networking/skbuff:36: ./include/linux/skbuff.h:181: WARNING: Failed to create a cross reference. A title or caption not found: 'crc' [ref.ref]
>> include/uapi/linux/videodev2.h:880: WARNING: Invalid xref: std:ref:`v4l2-meta-fmt-rkisp2-params`. Possible alternatives:
   std:label:`v4l2-meta-fmt-rk-isp1-params` (from userspace-api/media/v4l/metafmt-rkisp1)
   std:label:`v4l2-meta-fmt-c3isp-params` (from userspace-api/media/v4l/metafmt-c3-isp)
   std:label:`v4l2-meta-fmt-rk-isp1-ext-params` (from userspace-api/media/v4l/metafmt-rkisp1) [ref.missing]
>> include/uapi/linux/videodev2.h:880: WARNING: undefined label: 'v4l2-meta-fmt-rkisp2-params' [ref.ref]


vim +880 include/uapi/linux/videodev2.h

   878	
   879	/* Vendor specific - used for RKISP2 camera sub-system */
 > 880	#define V4L2_META_FMT_RKISP2_PARAMS	v4l2_fourcc('R', 'K', '2', 'P') /* Rockchip ISP2 Parameters */
   881	

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