From 916825b84f23b691dcce09a57625fb8fcb0cbb48 Mon Sep 17 00:00:00 2001
From: Jeff Brasen <jbrasen@nvidia.com>
Date: Tue, 15 Nov 2022 11:01:06 -0700
Subject: [PATCH] DynamicTablesPkg: SSDT _LPI revision is incorrect

_LPI Revision should be 0 per the ACPI 6.5 specification.
"The revision number of the _LPI object. Current revision is 0."

Signed-off-by: Jeff Brasen <jbrasen@nvidia.com>
Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
---
 .../Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
index d06c7615fb..91199c4af2 100644
--- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
+++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
@@ -482,7 +482,7 @@ GenerateLpiStates (
     }
 
     // We do not support the LevelId field for now, let it to 0.
-    Status = AmlCreateLpiNode (AslName, 1, 0, ScopeNode, &LpiNode);
+    Status = AmlCreateLpiNode (AslName, 0, 0, ScopeNode, &LpiNode);
     if (EFI_ERROR (Status)) {
       ASSERT (0);
       return Status;