Re: [PATCH v7 8/8] drm/ttm: Balance ttm_resource_cursor_init() and ttm_resource_cursor_fini()

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Hi Thomas,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm-xe/drm-xe-next]
[also build test WARNING on drm/drm-next drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-tip/drm-tip next-20240703]
[cannot apply to drm-intel/for-linux-next-fixes drm-misc/drm-misc-next linus/master v6.10-rc6]
[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/Thomas-Hellstr-m/drm-ttm-Allow-TTM-LRU-list-nodes-of-different-types/20240706-050447
base:   https://gitlab.freedesktop.org/drm/xe/kernel.git drm-xe-next
patch link:    https://lore.kernel.org/r/20240705153206.68526-9-thomas.hellstrom%40linux.intel.com
patch subject: [PATCH v7 8/8] drm/ttm: Balance ttm_resource_cursor_init() and ttm_resource_cursor_fini()
config: i386-buildonly-randconfig-001-20240706 (https://download.01.org/0day-ci/archive/20240706/202407061220.4fu8rFR1-lkp@xxxxxxxxx/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240706/202407061220.4fu8rFR1-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/202407061220.4fu8rFR1-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/ttm/ttm_resource.c:607: warning: Excess function parameter 'man' description in 'ttm_resource_manager_first'


vim +607 drivers/gpu/drm/ttm/ttm_resource.c

60e2bb1468a0ed Thomas Hellström 2024-07-05  593  
5d05b988f1c0fd Christian König  2021-06-08  594  /**
c3fc230689e1af Thomas Hellström 2024-07-05  595   * ttm_resource_manager_first() - Start iterating over the resources
c3fc230689e1af Thomas Hellström 2024-07-05  596   * of a resource manager
5d05b988f1c0fd Christian König  2021-06-08  597   * @man: resource manager to iterate over
5d05b988f1c0fd Christian König  2021-06-08  598   * @cursor: cursor to record the position
5d05b988f1c0fd Christian König  2021-06-08  599   *
c3fc230689e1af Thomas Hellström 2024-07-05  600   * Initializes the cursor and starts iterating. When done iterating,
c3fc230689e1af Thomas Hellström 2024-07-05  601   * the caller must explicitly call ttm_resource_cursor_fini().
c3fc230689e1af Thomas Hellström 2024-07-05  602   *
c3fc230689e1af Thomas Hellström 2024-07-05  603   * Return: The first resource from the resource manager.
5d05b988f1c0fd Christian König  2021-06-08  604   */
5d05b988f1c0fd Christian König  2021-06-08  605  struct ttm_resource *
c052d143fd54cf Thomas Hellström 2024-07-05  606  ttm_resource_manager_first(struct ttm_resource_cursor *cursor)
5d05b988f1c0fd Christian König  2021-06-08 @607  {
c052d143fd54cf Thomas Hellström 2024-07-05  608  	struct ttm_resource_manager *man = cursor->man;
5d05b988f1c0fd Christian König  2021-06-08  609  
c052d143fd54cf Thomas Hellström 2024-07-05  610  	if (WARN_ON_ONCE(!man))
c052d143fd54cf Thomas Hellström 2024-07-05  611  		return NULL;
c052d143fd54cf Thomas Hellström 2024-07-05  612  
c052d143fd54cf Thomas Hellström 2024-07-05  613  	lockdep_assert_held(&man->bdev->lru_lock);
c3fc230689e1af Thomas Hellström 2024-07-05  614  
c052d143fd54cf Thomas Hellström 2024-07-05  615  	list_move(&cursor->hitch.link, &man->lru[cursor->priority]);
1d19e02e4ccfef Thomas Hellström 2024-07-05  616  	return ttm_resource_manager_next(cursor);
5d05b988f1c0fd Christian König  2021-06-08  617  }
5d05b988f1c0fd Christian König  2021-06-08  618  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki



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