Re: [PATCH v3 18/33] drm/vkms: Introduce configfs for plane format

From: kernel test robot

Date: Tue Dec 23 2025 - 08:06:44 EST


Hi Louis,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 8e7460eac786c72f48c4e04ce9be692b939428ce]

url: https://github.com/intel-lab-lkp/linux/commits/Louis-Chauvet/Documentation-ABI-vkms-Add-current-VKMS-ABI-documentation/20251222-181426
base: 8e7460eac786c72f48c4e04ce9be692b939428ce
patch link: https://lore.kernel.org/r/20251222-vkms-all-config-v3-18-ba42dc3fb9ff%40bootlin.com
patch subject: [PATCH v3 18/33] drm/vkms: Introduce configfs for plane format
reproduce: (https://download.01.org/0day-ci/archive/20251223/202512231419.lVidy4qV-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512231419.lVidy4qV-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

Using alabaster theme
ERROR: Cannot find file ./include/linux/pci.h
WARNING: No kernel-doc for file ./include/linux/pci.h
ERROR: Cannot find file ./include/linux/mod_devicetable.h
WARNING: No kernel-doc for file ./include/linux/mod_devicetable.h
>> Documentation/ABI/testing/configfs-vkms:156: WARNING: Inline emphasis start-string without end-string. [docutils]
ERROR: Cannot find file ./include/linux/bootconfig.h
WARNING: No kernel-doc for file ./include/linux/bootconfig.h
ERROR: Cannot find file ./include/linux/pstore_zone.h
ERROR: Cannot find file ./include/linux/pstore_zone.h
WARNING: No kernel-doc for file ./include/linux/pstore_zone.h


vim +156 Documentation/ABI/testing/configfs-vkms

> 156 What: /sys/kernel/config/vkms/<device>/planes/<plane>/supported_formats
157 Date: Nov 2025
158 Contact: dri-devel@xxxxxxxxxxxxxxxxxxxxx
159 Description:
160 List of supported formats for this plane. To add a new
161 item, write its fourcc code prefixed with '+'. To remove,
162 use '-' prefix. Use '+*' to add all formats, '-*' to
163 remove all.
164

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