Hi "Thomas,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on drm-tip/drm-tip]
[cannot apply to drm-intel/for-linux-next drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next drm/drm-next v5.13 next-20210625]
[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/0day-ci/linux/commits/Thomas-Hellstr-m/drm-i915-gem-Introduce-a-migrate-interface/20210628-171204
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: i386-randconfig-a014-20210628 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/e4e5a7f5c031252f26c868a2aa17a031a1558336
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Thomas-Hellstr-m/drm-i915-gem-Introduce-a-migrate-interface/20210628-171204
        git checkout e4e5a7f5c031252f26c868a2aa17a031a1558336
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/i915/

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/gem/i915_gem_wait.c:184: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * Waits for rendering to the object to be completed
>> drivers/gpu/drm/i915/gem/i915_gem_wait.c:307: warning: expecting prototype for i915_gem_object_wait_migrate(). Prototype was for i915_gem_object_wait_migration() instead


vim +307 drivers/gpu/drm/i915/gem/i915_gem_wait.c

   293	
   294	/**
   295	 * i915_gem_object_wait_migrate - Sync an accelerated migration operation
   296	 * @obj: The migrating object.
   297	 * @flags: waiting flags. Currently supports only I915_WAIT_INTERRUPTIBLE.
   298	 *
   299	 * Wait for any pending async migration operation on the object,
   300	 * whether it's explicitly (i915_gem_object_migrate()) or implicitly
   301	 * (swapin, initial clearing) initiated.
   302	 *
   303	 * Return: 0 if successful, -ERESTARTSYS if a signal was hit during waiting.
   304	 */
   305	int i915_gem_object_wait_migration(struct drm_i915_gem_object *obj,
   306					   unsigned int flags)
 > 307	{

---
0-DAY CI Kernel Test Service, Intel Corporation
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