ACK: [PATCH 0/3][SRU][J] Fix ACPI _CPC not found on dynamic loaded firmware

[Tim Gardner]

On 2/5/23 11:27 PM, Ivan Hu wrote:
> BugLink: https://bugs.launchpad.net/bugs/2006077
> [Impact]
> Some machines which have dynamically loaded SSDT tables, will not be loaded and
> get the CPPC not worked.
> 
> [Fix]
> Fix the regression by some load supports for CPPC from an SSDT dynamically
> when _OSC reports CPPC v2. And make the "[\_SB.PR00._CPC], AE_NOT_FOUND" gone.
> 
> [Test]
> Verified all the OEM dynamic table loaded or the "[\_SB.PR00._CPC], AE_NOT_FOUND"
> error exist or not on demesg .
> 
> [Where problems could occur]
> Low risk, It only helps to CPPC support loaded.
> 
> 
> Mario Limonciello (1):
>    ACPI: CPPC: Only probe for _CPC if CPPC v2 is acked
> 
> Pierre Gondois (1):
>    ACPI: bus: Set CPPC _OSC bits for all and when CPPC_LIB is supported
> 
> Rafael J. Wysocki (1):
>    ACPI: bus: Avoid using CPPC if not supported by firmware
> 
>   drivers/acpi/bus.c       | 15 +++++++++++----
>   drivers/acpi/cppc_acpi.c |  5 +++++
>   include/linux/acpi.h     |  2 ++
>   3 files changed, 18 insertions(+), 4 deletions(-)
> 
Acked-by: Tim Gardner <tim.gardner at canonical.com>
-- 
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Tim Gardner
Canonical, Inc