1 files changed, 5 insertions, 0 deletions
diff --git a/UefiCpuPkg/CpuS3DataDxe/CpuS3Data.c b/UefiCpuPkg/CpuS3DataDxe/CpuS3Data.c
index 7bd928f330..3489b9549c 100644
--- a/UefiCpuPkg/CpuS3DataDxe/CpuS3Data.c
+++ b/UefiCpuPkg/CpuS3DataDxe/CpuS3Data.c
@@ -133,6 +133,7 @@ CpuS3DataOnEndOfDxe (
    @param[in] SystemTable  A pointer to the EFI System Table.
 
    @retval EFI_SUCCESS     The entry point is executed successfully.
+   @retval EFI_UNSUPPORTED Do not support ACPI S3.
    @retval other           Some error occurs when executing this entry point.
 
 **/
@@ -160,6 +161,10 @@ CpuS3DataInitialize (
   VOID                       *Idt;
   EFI_EVENT                  Event;
 
+  if (!PcdGetBool (PcdAcpiS3Enable)) {
+    return EFI_UNSUPPORTED;
+  }
+
   //
   // Allocate ACPI NVS memory below 4G memory for use on ACPI S3 resume.
   //