diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 0d1352b7a7a10666ba82392c57eaf1754fdb0c6b..f8a705b44bab44067ab2a76423d696ff4712c0d9 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -470,6 +470,12 @@ static int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base,
 			return -EFAULT;
 		}
 
+#if defined(CONFIG_X86)
+		if (boot_cpu_data.x86_vendor == X86_VENDOR_CENTAUR ||
+		    boot_cpu_data.x86_vendor == X86_VENDOR_ZHAOXIN)
+			return iova_reserve_iommu_regions(dev, domain);
+#endif
+
 		return 0;
 	}