SGI-575 platform supports only the platform co-ordinated LPI. So fix the
LPI Level ID value accordingly.
Additionally, as this platform does not support residency counter, clear
the residency counter frequency from _LPI object's control method.
Signed-off-by: Pranav Madhu <pranav.ma...@arm.com>
Reviewed-by: Pierre Gondois <pierre.gond...@arm.com>
Reviewed-by: Thomas Abraham <thomas.abra...@arm.com>
---
Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl
b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl
index 80075ee1238b..f4e84e806a65 100644
--- a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl
+++ b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl
@@ -57,7 +57,7 @@ DefinitionBlock("DsdtTable.aml", "DSDT", 2, "ARMLTD",
"ARMSGI", EFI_ACPI_ARM_OEM
1150, // Wake latency (uS)
1, // Flags
1, // Arch Context Flags
- 100, // Residency Counter Frequency
+ 0, // Residency Counter Frequency
0, // No Parent State
0x00000020, // Integer Entry method
ResourceTemplate () { // Null Residency Counter
@@ -72,14 +72,14 @@ DefinitionBlock("DsdtTable.aml", "DSDT", 2, "ARMLTD",
"ARMSGI", EFI_ACPI_ARM_OEM
Name (PLPI, Package () { /* LPI for Processor, support 2 LPI states */
0, // Version
- 1, // Level Index
+ 0, // Level Index
2, // Count
Package () { // WFI for CPU
1, // Min residency (uS)
1, // Wake latency (uS)
1, // Flags
0, // Arch Context lost Flags (no loss)
- 100, // Residency Counter Frequency
+ 0, // Residency Counter Frequency
0, // No parent state
ResourceTemplate () { // Register Entry method
Register (FFixedHW,
@@ -102,7 +102,7 @@ DefinitionBlock("DsdtTable.aml", "DSDT", 2, "ARMLTD",
"ARMSGI", EFI_ACPI_ARM_OEM
350, // Wake latency (uS)
1, // Flags
1, // Arch Context lost Flags (Core context lost)
- 100, // Residency Counter Frequency
+ 0, // Residency Counter Frequency
1, // Parent node can be in any shallower state
ResourceTemplate () { // Register Entry method
Register (FFixedHW,
--
2.25.1
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