[linux-next:master 6641/7838] drivers/gpu/drm/i915/gt/intel_ggtt.c:1239:3: error: implicit declaration of function 'wbinvd_on_all_cpus'; did you mean 'wrmsr_on_cpus'?

[linux-next:master 6641/7838] drivers/gpu/drm/i915/gt/intel_ggtt.c:1239:3: error: implicit declaration of function 'wbinvd_on_all_cpus'; did you mean 'wrmsr_on_cpus'?

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   6c09d7dbb7d366122d0218bc7487e0a1e6cca6ed
commit: 2c86e55d2ab55b036d901384eae43fdae4487459 [6641/7838] drm/i915/gtt: split up i915_gem_gtt
config: x86_64-randconfig-a001-20200110 (attached as .config)
compiler: gcc-7 (Debian 7.5.0-3) 7.5.0
reproduce:
        git checkout 2c86e55d2ab55b036d901384eae43fdae4487459
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

All errors (new ones prefixed by >>):

   drivers/gpu/drm/i915/gt/intel_ggtt.c: In function 'ggtt_restore_mappings':
>> drivers/gpu/drm/i915/gt/intel_ggtt.c:1239:3: error: implicit declaration of function 'wbinvd_on_all_cpus'; did you mean 'wrmsr_on_cpus'? [-Werror=implicit-function-declaration]
      wbinvd_on_all_cpus();
      ^~~~~~~~~~~~~~~~~~
      wrmsr_on_cpus
   cc1: some warnings being treated as errors

vim +1239 drivers/gpu/drm/i915/gt/intel_ggtt.c

  1196	
  1197	static void ggtt_restore_mappings(struct i915_ggtt *ggtt)
  1198	{
  1199		struct i915_vma *vma, *vn;
  1200		bool flush = false;
  1201		int open;
  1202	
  1203		intel_gt_check_and_clear_faults(ggtt->vm.gt);
  1204	
  1205		mutex_lock(&ggtt->vm.mutex);
  1206	
  1207		/* First fill our portion of the GTT with scratch pages */
  1208		ggtt->vm.clear_range(&ggtt->vm, 0, ggtt->vm.total);
  1209	
  1210		/* Skip rewriting PTE on VMA unbind. */
  1211		open = atomic_xchg(&ggtt->vm.open, 0);
  1212	
  1213		/* clflush objects bound into the GGTT and rebind them. */
  1214		list_for_each_entry_safe(vma, vn, &ggtt->vm.bound_list, vm_link) {
  1215			struct drm_i915_gem_object *obj = vma->obj;
  1216	
  1217			if (!i915_vma_is_bound(vma, I915_VMA_GLOBAL_BIND))
  1218				continue;
  1219	
  1220			if (!__i915_vma_unbind(vma))
  1221				continue;
  1222	
  1223			clear_bit(I915_VMA_GLOBAL_BIND_BIT, __i915_vma_flags(vma));
  1224			WARN_ON(i915_vma_bind(vma,
  1225					      obj ? obj->cache_level : 0,
  1226					      PIN_GLOBAL, NULL));
  1227			if (obj) { /* only used during resume => exclusive access */
  1228				flush |= fetch_and_zero(&obj->write_domain);
  1229				obj->read_domains |= I915_GEM_DOMAIN_GTT;
  1230			}
  1231		}
  1232	
  1233		atomic_set(&ggtt->vm.open, open);
  1234		ggtt->invalidate(ggtt);
  1235	
  1236		mutex_unlock(&ggtt->vm.mutex);
  1237	
  1238		if (flush)
> 1239			wbinvd_on_all_cpus();
  1240	}
  1241	

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation

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