diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 138547446345..c7e28a8d25d1 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1490,6 +1490,7 @@ static u64 *alloc_pte(struct protection_domain *domain,
 		pte_level = PM_PTE_LEVEL(__pte);
 
 		if (!IOMMU_PTE_PRESENT(__pte) ||
+		    pte_level == PAGE_MODE_NONE ||
 		    pte_level == PAGE_MODE_7_LEVEL) {
 			page = (u64 *)get_zeroed_page(gfp);
 			if (!page)
@@ -1500,7 +1501,7 @@ static u64 *alloc_pte(struct protection_domain *domain,
 			/* pte could have been changed somewhere. */
 			if (cmpxchg64(pte, __pte, __npte) != __pte)
 				free_page((unsigned long)page);
-			else if (pte_level == PAGE_MODE_7_LEVEL)
+			else if (IOMMU_PTE_PRESENT(__pte))
 				domain->updated = true;
 
 			continue;