[PATCH 2/6] drm/ttm: add TTM_PL_FLAG_TRESHOLD

[kernel test robot]

Hi Christian,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm/drm-next]
[also build test WARNING on drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-misc/drm-misc-next drm-tip/drm-tip linus/master v6.10-rc2 next-20240604]
[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/Christian-K-nig/drm-ttm-add-TTM_PL_FLAG_TRESHOLD/20240605-040913
base:   git://anongit.freedesktop.org/drm/drm drm-next
patch link:    https://lore.kernel.org/r/20240604160503.43359-3-christian.koenig%40amd.com
patch subject: [PATCH 2/6] drm/ttm: add TTM_PL_FLAG_TRESHOLD
config: parisc-defconfig (https://download.01.org/0day-ci/archive/20240605/202406050819.et54U72l-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240605/202406050819.et54U72l-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/202406050819.et54U72l-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/ttm/ttm_resource.c:339: warning: Function parameter or struct member 'ctx' not described in 'ttm_resource_compatible'


vim +339 drivers/gpu/drm/ttm/ttm_resource.c

46299051794a9c Christian König          2024-06-04  325  
544432703b2fe7 Arunpravin Paneer Selvam 2022-08-20  326  /**
a78a8da51b36c7 Somalapuram Amaranath    2023-11-13  327   * ttm_resource_compatible - check if resource is compatible with placement
544432703b2fe7 Arunpravin Paneer Selvam 2022-08-20  328   *
a78a8da51b36c7 Somalapuram Amaranath    2023-11-13  329   * @res: the resource to check
a78a8da51b36c7 Somalapuram Amaranath    2023-11-13  330   * @placement: the placement to check against
cc941c70df3927 Christian König          2023-12-06  331   * @evicting: true if the caller is doing evictions
544432703b2fe7 Arunpravin Paneer Selvam 2022-08-20  332   *
a78a8da51b36c7 Somalapuram Amaranath    2023-11-13  333   * Returns true if the placement is compatible.
544432703b2fe7 Arunpravin Paneer Selvam 2022-08-20  334   */
a78a8da51b36c7 Somalapuram Amaranath    2023-11-13  335  bool ttm_resource_compatible(struct ttm_resource *res,
cc941c70df3927 Christian König          2023-12-06  336  			     struct ttm_placement *placement,
46299051794a9c Christian König          2024-06-04  337  			     struct ttm_operation_ctx *ctx,
cc941c70df3927 Christian König          2023-12-06  338  			     bool evicting)
98cca519df6da6 Christian König          2021-08-30 @339  {
544432703b2fe7 Arunpravin Paneer Selvam 2022-08-20  340  	struct ttm_buffer_object *bo = res->bo;
544432703b2fe7 Arunpravin Paneer Selvam 2022-08-20  341  	struct ttm_device *bdev = bo->bdev;
98cca519df6da6 Christian König          2021-08-30  342  	unsigned i;
98cca519df6da6 Christian König          2021-08-30  343  
98cca519df6da6 Christian König          2021-08-30  344  	if (res->placement & TTM_PL_FLAG_TEMPORARY)
98cca519df6da6 Christian König          2021-08-30  345  		return false;
98cca519df6da6 Christian König          2021-08-30  346  
a78a8da51b36c7 Somalapuram Amaranath    2023-11-13  347  	for (i = 0; i < placement->num_placement; i++) {
a78a8da51b36c7 Somalapuram Amaranath    2023-11-13  348  		const struct ttm_place *place = &placement->placement[i];
a78a8da51b36c7 Somalapuram Amaranath    2023-11-13  349  		struct ttm_resource_manager *man;
a78a8da51b36c7 Somalapuram Amaranath    2023-11-13  350  
a78a8da51b36c7 Somalapuram Amaranath    2023-11-13  351  		if (res->mem_type != place->mem_type)
a78a8da51b36c7 Somalapuram Amaranath    2023-11-13  352  			continue;
98cca519df6da6 Christian König          2021-08-30  353  
46299051794a9c Christian König          2024-06-04  354  		if (!ttm_place_applicable(place, ctx, evicting))
cc941c70df3927 Christian König          2023-12-06  355  			continue;
cc941c70df3927 Christian König          2023-12-06  356  
cc941c70df3927 Christian König          2023-12-06  357  		if (place->flags & TTM_PL_FLAG_CONTIGUOUS &&
cc941c70df3927 Christian König          2023-12-06  358  		    !(res->placement & TTM_PL_FLAG_CONTIGUOUS))
cc941c70df3927 Christian König          2023-12-06  359  			continue;
cc941c70df3927 Christian König          2023-12-06  360  
a78a8da51b36c7 Somalapuram Amaranath    2023-11-13  361  		man = ttm_manager_type(bdev, res->mem_type);
a78a8da51b36c7 Somalapuram Amaranath    2023-11-13  362  		if (man->func->compatible &&
a78a8da51b36c7 Somalapuram Amaranath    2023-11-13  363  		    !man->func->compatible(man, res, place, bo->base.size))
98cca519df6da6 Christian König          2021-08-30  364  			continue;
98cca519df6da6 Christian König          2021-08-30  365  
98cca519df6da6 Christian König          2021-08-30  366  		return true;
98cca519df6da6 Christian König          2021-08-30  367  	}
98cca519df6da6 Christian König          2021-08-30  368  	return false;
98cca519df6da6 Christian König          2021-08-30  369  }
98cca519df6da6 Christian König          2021-08-30  370  

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