[thomash:topic/ttm_branch 30/33] drivers/gpu/drm/i915/i915_ttm.c:9:5: warning: no previous prototype for 'i915_ttm_device_init'

[thomash:topic/ttm_branch 30/33] drivers/gpu/drm/i915/i915_ttm.c:9:5: warning: no previous prototype for 'i915_ttm_device_init'

[kernel test robot]

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tree:   git://people.freedesktop.org/~thomash/linux topic/ttm_branch
head:   4dbcc3aefdd4cfb310a9eec11837495aa7886250
commit: c7d3fbec16a37e6d97b00578214c8305b765768b [30/33] drm/i915/ttm: Initialize the ttm device and memory managers
config: x86_64-rhel-8.3 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        git remote add thomash git://people.freedesktop.org/~thomash/linux
        git fetch --no-tags thomash topic/ttm_branch
        git checkout c7d3fbec16a37e6d97b00578214c8305b765768b
        # save the attached .config to linux build tree
        make W=1 W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/i915/i915_ttm.c:9:5: warning: no previous prototype for 'i915_ttm_device_init' [-Wmissing-prototypes]
       9 | int i915_ttm_device_init(struct drm_i915_private *dev_priv)
         |     ^~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/i915_ttm.c:18:6: warning: no previous prototype for 'i915_ttm_device_fini' [-Wmissing-prototypes]
      18 | void i915_ttm_device_fini(struct drm_i915_private *dev_priv)
         |      ^~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/i915_ttm.c:40:5: warning: no previous prototype for 'i915_ttm_manager_init' [-Wmissing-prototypes]
      40 | int i915_ttm_manager_init(struct intel_memory_region *mem)
         |     ^~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/i915_ttm.c:49:6: warning: no previous prototype for 'i915_ttm_manager_fini' [-Wmissing-prototypes]
      49 | void i915_ttm_manager_fini(struct intel_memory_region *mem)
         |      ^~~~~~~~~~~~~~~~~~~~~


vim +/i915_ttm_device_init +9 drivers/gpu/drm/i915/i915_ttm.c

     8	
   > 9	int i915_ttm_device_init(struct drm_i915_private *dev_priv)
    10	{
    11		struct drm_device *drm = &dev_priv->drm;
    12	
    13		return ttm_device_init(&dev_priv->bdev, &i915_ttm_bo_driver,
    14				       drm->dev, drm->anon_inode->i_mapping,
    15				       drm->vma_offset_manager, false, false);
    16	}
    17					  
  > 18	void i915_ttm_device_fini(struct drm_i915_private *dev_priv)
    19	{
    20		ttm_device_fini(&dev_priv->bdev);
    21	}
    22	
    23	/*
    24	 * Map the i915 memory regions to TTM memory types. We use the
    25	 * driver-private types for now, reserving TTM_PL_VRAM for stolen
    26	 * memory and TTM_PL_TT for GGTT use if decided to implement this.
    27	 */
    28	static int i915_region_to_ttm_type(struct intel_memory_region *mem)
    29	{
    30		int type;
    31	
    32		GEM_BUG_ON(mem->type != INTEL_MEMORY_LOCAL);
    33	
    34		type = mem->instance + TTM_PL_PRIV;
    35		GEM_BUG_ON(type >= TTM_NUM_MEM_TYPES);
    36	
    37		return type;
    38	}
    39	
  > 40	int i915_ttm_manager_init(struct intel_memory_region *mem)
    41	{
    42		return ttm_range_man_init(&mem->i915->bdev,
    43					  i915_region_to_ttm_type(mem),
    44					  false,
    45					  resource_size(&mem->region) >>
    46					  PAGE_SHIFT);
    47	}
    48	
  > 49	void i915_ttm_manager_fini(struct intel_memory_region *mem)

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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