diff --git a/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.c b/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.c
index 86d50eb6f2..7784545631 100644
--- a/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.c
+++ b/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/DmaProtection.c
@@ -515,7 +515,13 @@ SetupVtd (
 
   ParseDmarAcpiTableRmrr ();
 
-  ProcessRequestedAccessAttribute ();
+  if ((PcdGet8 (PcdVTdPolicyPropertyMask) & BIT2) == 0) {
+    //
+    // Support IOMMU access attribute request recording before DMAR table is installed.
+    // Here is to process the requests.
+    //
+    ProcessRequestedAccessAttribute ();
+  }
 
   for (Index = 0; Index < mVtdUnitNumber; Index++) {
     DEBUG ((DEBUG_INFO,"VTD Unit %d (Segment: %04x)\n", Index, mVtdUnitInformation[Index].Segment));
diff --git a/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/IntelVTdDxe.c b/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/IntelVTdDxe.c
index 25d7c80af1..09948ce50e 100644
--- a/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/IntelVTdDxe.c
+++ b/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/IntelVTdDxe.c
@@ -254,6 +254,13 @@ VTdSetAttribute (
     // Record the entry to driver global variable.
     // As such once VTd is activated, the setting can be adopted.
     //
+    if ((PcdGet8 (PcdVTdPolicyPropertyMask) & BIT2) != 0) {
+      //
+      // Force no IOMMU access attribute request recording before DMAR table is installed.
+      //
+      ASSERT_EFI_ERROR (EFI_NOT_READY);
+      return EFI_NOT_READY;
+    }
     Status = RequestAccessAttribute (Segment, SourceId, DeviceAddress, Length, IoMmuAccess);
   } else {
     PERF_CODE (
diff --git a/IntelSiliconPkg/IntelSiliconPkg.dec b/IntelSiliconPkg/IntelSiliconPkg.dec
index c0cf58fa6c..2f5bef6089 100644
--- a/IntelSiliconPkg/IntelSiliconPkg.dec
+++ b/IntelSiliconPkg/IntelSiliconPkg.dec
@@ -58,6 +58,7 @@
   ## The mask is used to control VTd behavior.<BR><BR>
   #  BIT0: Enable IOMMU during boot (If DMAR table is installed in DXE. If VTD_INFO_PPI is installed in PEI.)
   #  BIT1: Enable IOMMU when transfer control to OS (ExitBootService in normal boot. EndOfPEI in S3)
+  #  BIT2: Force no IOMMU access attribute request recording before DMAR table is installed.
   # @Prompt The policy for VTd driver behavior.
   gIntelSiliconPkgTokenSpaceGuid.PcdVTdPolicyPropertyMask|1|UINT8|0x00000002