[drm-drm-intel:drm-intel-gt-next 8/8] drivers/gpu/drm/i915/gem/i915_gem_stolen.c:624:5: error: no previous prototype for function '__i915_gem_object_create_stolen'

[drm-drm-intel:drm-intel-gt-next 8/8] drivers/gpu/drm/i915/gem/i915_gem_stolen.c:624:5: error: no previous prototype for function '__i915_gem_object_create_stolen'

[kernel test robot]

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tree:   git://anongit.freedesktop.org/drm/drm-intel drm-intel-gt-next
head:   97d5539632501af59290ead8f832e0ca6b6f69e7
commit: 97d5539632501af59290ead8f832e0ca6b6f69e7 [8/8] drm/i915/region: convert object_create into object_init
config: x86_64-randconfig-a012-20210115 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 5b42fd8dd4e7e29125a09a41a33af7c9cb57d144)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        git remote add drm-drm-intel git://anongit.freedesktop.org/drm/drm-intel
        git fetch --no-tags drm-drm-intel drm-intel-gt-next
        git checkout 97d5539632501af59290ead8f832e0ca6b6f69e7
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/gem/i915_gem_stolen.c:624:5: error: no previous prototype for function '__i915_gem_object_create_stolen' [-Werror,-Wmissing-prototypes]
   int __i915_gem_object_create_stolen(struct intel_memory_region *mem,
       ^
   drivers/gpu/drm/i915/gem/i915_gem_stolen.c:624:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int __i915_gem_object_create_stolen(struct intel_memory_region *mem,
   ^
   static 
>> drivers/gpu/drm/i915/gem/i915_gem_stolen.c:649:5: error: no previous prototype for function '_i915_gem_object_stolen_init' [-Werror,-Wmissing-prototypes]
   int _i915_gem_object_stolen_init(struct intel_memory_region *mem,
       ^
   drivers/gpu/drm/i915/gem/i915_gem_stolen.c:649:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int _i915_gem_object_stolen_init(struct intel_memory_region *mem,
   ^
   static 
   2 errors generated.


vim +/__i915_gem_object_create_stolen +624 drivers/gpu/drm/i915/gem/i915_gem_stolen.c

   623	
 > 624	int __i915_gem_object_create_stolen(struct intel_memory_region *mem,
   625					    struct drm_i915_gem_object *obj,
   626					    struct drm_mm_node *stolen)
   627	{
   628		static struct lock_class_key lock_class;
   629		unsigned int cache_level;
   630		int err;
   631	
   632		drm_gem_private_object_init(&mem->i915->drm, &obj->base, stolen->size);
   633		i915_gem_object_init(obj, &i915_gem_object_stolen_ops, &lock_class);
   634	
   635		obj->stolen = stolen;
   636		obj->read_domains = I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT;
   637		cache_level = HAS_LLC(mem->i915) ? I915_CACHE_LLC : I915_CACHE_NONE;
   638		i915_gem_object_set_cache_coherency(obj, cache_level);
   639	
   640		err = i915_gem_object_pin_pages(obj);
   641		if (err)
   642			return err;
   643	
   644		i915_gem_object_init_memory_region(obj, mem, 0);
   645	
   646		return 0;
   647	}
   648	
 > 649	int _i915_gem_object_stolen_init(struct intel_memory_region *mem,
   650					 struct drm_i915_gem_object *obj,
   651					 resource_size_t size,
   652					 unsigned int flags)
   653	{
   654		struct drm_i915_private *i915 = mem->i915;
   655		struct drm_mm_node *stolen;
   656		int ret;
   657	
   658		if (!drm_mm_initialized(&i915->mm.stolen))
   659			return -ENODEV;
   660	
   661		if (size == 0)
   662			return -EINVAL;
   663	
   664		stolen = kzalloc(sizeof(*stolen), GFP_KERNEL);
   665		if (!stolen)
   666			return -ENOMEM;
   667	
   668		ret = i915_gem_stolen_insert_node(i915, stolen, size, 4096);
   669		if (ret)
   670			goto err_free;
   671	
   672		ret = __i915_gem_object_create_stolen(mem, obj, stolen);
   673		if (ret)
   674			goto err_remove;
   675	
   676		return 0;
   677	
   678	err_remove:
   679		i915_gem_stolen_remove_node(i915, stolen);
   680	err_free:
   681		kfree(stolen);
   682		return ret;
   683	}
   684	

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

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