Hello Jeff,
The Lpi version should effectively be 0:
Reviewed-by: Pierre Gondois <pierre.gond...@arm.com>

Regards,
Pierre

On 11/15/22 19:01, Jeff Brasen wrote:
_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 <jbra...@nvidia.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;


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