[asahilinux:gpu/feat-gettime 574/1045] drivers/gpu/drm/drm_gpuvm.c:2680: warning: Function parameter or struct member 'priv' not described in 'drm_gpuvm_bo_unmap'

[asahilinux:gpu/feat-gettime 574/1045] drivers/gpu/drm/drm_gpuvm.c:2680: warning: Function parameter or struct member 'priv' not described in 'drm_gpuvm_bo_unmap'

[kernel test robot]

tree:   https://github.com/AsahiLinux/linux gpu/feat-gettime
head:   cecfe574a0faf4c21d6f7a99cbf076223d7a04e6
commit: 3071faed85b4c2fc9d6de681d2059c02d56388ef [574/1045] drm/gpuvm: Add drm_gpuvm_bo_unmap()
config: x86_64-rhel-9.4 (https://download.01.org/0day-ci/archive/20241129/202411290104.HClHBf40-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241129/202411290104.HClHBf40-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411290104.HClHBf40-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/drm_gpuvm.c:2680: warning: Function parameter or struct member 'priv' not described in 'drm_gpuvm_bo_unmap'


vim +2680 drivers/gpu/drm/drm_gpuvm.c

  2666	
  2667	/**
  2668	 * drm_gpuvm_bo_unmap() - unmaps a GEM
  2669	 * @vm_bo: the &drm_gpuvm_bo abstraction
  2670	 *
  2671	 * This function calls the unmap callback for every GPUVA attached to a GEM.
  2672	 *
  2673	 * It is the callers responsibility to protect the GEMs GPUVA list against
  2674	 * concurrent access using the GEMs dma_resv lock.
  2675	 *
  2676	 * Returns: a pointer to the &drm_gpuva_ops on success, an ERR_PTR on failure
  2677	 */
  2678	int
  2679	drm_gpuvm_bo_unmap(struct drm_gpuvm_bo *vm_bo, void *priv)
> 2680	{
  2681		struct drm_gpuva_op *op;
  2682		int ret;
  2683	
  2684		if (unlikely(!vm_bo->vm))
  2685			return -EINVAL;
  2686	
  2687		const struct drm_gpuvm_ops *vm_ops = vm_bo->vm->ops;
  2688	
  2689		if (unlikely(!(vm_ops && vm_ops->sm_step_unmap)))
  2690			return -EINVAL;
  2691	
  2692		struct drm_gpuva_ops *ops = drm_gpuvm_bo_unmap_ops_create(vm_bo);
  2693	        if (IS_ERR(ops))
  2694	                return PTR_ERR(ops);
  2695	
  2696		drm_gpuva_for_each_op(op, ops) {
  2697			drm_WARN_ON(vm_bo->vm->drm, op->op != DRM_GPUVA_OP_UNMAP);
  2698	
  2699			ret = op_unmap_cb(vm_ops, priv, op->unmap.va, false);
  2700			if (ret)
  2701				goto cleanup;
  2702		}
  2703	
  2704	cleanup:
  2705		drm_gpuva_ops_free(vm_bo->vm, ops);
  2706		return ret;
  2707	}
  2708	EXPORT_SYMBOL_GPL(drm_gpuvm_bo_unmap);
  2709	

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