[edk2-devel] [edk2-platforms][PATCH V1 0/7] Fix ACPI Low Power Idle states for RD platforms

[Thomas Abraham]

On Thu, Jun 9, 2022 at 11:20 AM, Pranav Madhu wrote:

> 
> The DSDT ACPI table used for Neoverse reference design platforms include
> the _LPI control method for the kernel to enter idle states. This patch
> series fixes bugs in the existing _LPI control method due to which
> certain high level OS failed to boot on the supported Neoverse reference
> design platforms. For each platform, the fixes include - clearing level
> ID value as the platform supports only platform co-ordinated _LPI and
> removing residency counter frequency as the platform does not implement
> residency counter.
> 
> In addition to this, the RD-N2 and RD-N2-Cfg1 platforms are direct
> connect platforms and so the _LPI control method for cluster is removed.
> 
> Link to github branch with the patches in this series -
> https://github.com/Pranav-Madhu/edk2-platforms/tree/topics/lpi_fix_for_rd=
> 
> _platforms
> 
> Pranav Madhu (7):
> Platform/Sgi: Fix ACPI Low Power Idle states for SGI575
> Platform/Sgi: Fix ACPI Low Power Idle states for RD-N1-Edge
> Platform/Sgi: Fix ACPI Low Power Idle states for RD-N1-Edge-X2
> Platform/Sgi: Fix ACPI Low Power Idle states for RD-V1
> Platform/Sgi: Fix ACPI Low Power Idle states for RD-V1-MC
> Platform/Sgi: Fix ACPI Low Power Idle states for RD-N2
> Platform/Sgi: Fix ACPI Low Power Idle states for RD-N2-Cfg1
> 
> Platform/ARM/SgiPkg/AcpiTables/RdN1Edge/Dsdt.asl | 8 +-
> Platform/ARM/SgiPkg/AcpiTables/RdN1EdgeX2/Dsdt.asl | 8 +-
> Platform/ARM/SgiPkg/AcpiTables/RdN2/Dsdt.asl | 78 +---------------=
> ----
> Platform/ARM/SgiPkg/AcpiTables/RdN2Cfg1/Dsdt.asl | 54 +-------------
> Platform/ARM/SgiPkg/AcpiTables/RdV1/Dsdt.asl | 8 +-
> Platform/ARM/SgiPkg/AcpiTables/RdV1Mc/Dsdt.asl | 8 +-
> Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl | 8 +-
> 7 files changed, 28 insertions(+), 144 deletions(-)
> 
> 

For this series -
Reviewed-by: Thomas Abraham <thomas.abraham at arm.com>


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