diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index 24bdc26f354b2ca94f218a1c112b90a135b8cb37..4738c8e7f00764f51944205a103a34b595df7cee 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -3074,7 +3074,7 @@ static bool __init check_ioapic_information(void)
 			   (boot_cpu_data.x86_vendor == X86_VENDOR_HYGON &&
 			    boot_cpu_data.x86 == 0x18 &&
 			    boot_cpu_data.x86_model >= 0x4 &&
-			    boot_cpu_data.x86_model <= 0x10 &&
+			    boot_cpu_data.x86_model <= 0x18 &&
 			    devid == IOAPIC_SB_DEVID_FAM18H_M4H)) {
 			has_sb_ioapic = true;
 			ret           = true;