[PATCH 22/22] drm: ensure drm headers are self-contained and pass kernel-doc

[kernel test robot]

Hi Jani,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm-misc/drm-misc-next]
[cannot apply to drm/drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes linus/master v6.8-rc7 next-20240307]
[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/Jani-Nikula/drm-crtc-make-drm_crtc_internal-h-self-contained/20240307-023603
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/e22ab28836ee1689ea4781ed53fd2e4e4f84728e.1709749576.git.jani.nikula%40intel.com
patch subject: [PATCH 22/22] drm: ensure drm headers are self-contained and pass kernel-doc
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240307/202403072259.EEC2Vf1X-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 325f51237252e6dab8e4e1ea1fa7acbb4faee1cd)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240307/202403072259.EEC2Vf1X-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403072259.EEC2Vf1X-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from <built-in>:4:
>> include/drm/ttm/ttm_pool.h:89:52: warning: declaration of 'struct seq_file' will not be visible outside of this function [-Wvisibility]
      89 | int ttm_pool_debugfs(struct ttm_pool *pool, struct seq_file *m);
         |                                                    ^
   1 warning generated.


vim +89 include/drm/ttm/ttm_pool.h

d099fc8f540add Christian König 2020-10-22  88  
d099fc8f540add Christian König 2020-10-22 @89  int ttm_pool_debugfs(struct ttm_pool *pool, struct seq_file *m);
d099fc8f540add Christian König 2020-10-22  90  

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