[Intel-gfx] [PATCH 03/10] drm/i915/uapi: expose the avail tracking

[kernel test robot]

Hi Matthew,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on drm-tip/drm-tip]
[also build test WARNING on v5.18 next-20220525]
[cannot apply to drm-intel/for-linux-next drm/drm-next]
[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]

url:    https://github.com/intel-lab-lkp/linux/commits/Matthew-Auld/small-BAR-uapi-bits/20220526-024641
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: x86_64-rhel-8.3-kunit (https://download.01.org/0day-ci/archive/20220526/202205261034.CoXEwzSb-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-1) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/614521eb68cc1e72a489c1c796827329c98bf031
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Matthew-Auld/small-BAR-uapi-bits/20220526-024641
        git checkout 614521eb68cc1e72a489c1c796827329c98bf031
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/i915/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp at intel.com>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/i915/i915_ttm_buddy_manager.c:379: warning: expecting prototype for i915_ttm_buddy_man_visible_size(). Prototype was for i915_ttm_buddy_man_avail() instead


vim +379 drivers/gpu/drm/i915/i915_ttm_buddy_manager.c

   367	
   368	/**
   369	 * i915_ttm_buddy_man_visible_size - Query the avail tracking for the manager.
   370	 *
   371	 * @man: The buddy allocator ttm manager
   372	 * @avail: The total available memory in pages for the entire manager.
   373	 * @visible_avail: The total available memory in pages for the CPU visible
   374	 * portion. Note that this will always give the same value as @avail on
   375	 * configurations that don't have a small BAR.
   376	 */
   377	void i915_ttm_buddy_man_avail(struct ttm_resource_manager *man,
   378				     u64 *avail, u64 *visible_avail)
 > 379	{
   380		struct i915_ttm_buddy_manager *bman = to_buddy_manager(man);
   381	
   382		mutex_lock(&bman->lock);
   383		*avail = bman->mm.avail >> PAGE_SHIFT;
   384		*visible_avail = bman->visible_avail;
   385		mutex_unlock(&bman->lock);
   386	}
   387	

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