Mario Limonciello 09073396ea ACPI: CPPC: Don't require flexible address space if X86_FEATURE_CPPC is supported
Commit 0651ab90e4ad ("ACPI: CPPC: Check _OSC for flexible address space")
changed _CPC probing to require flexible address space to be negotiated
for CPPC to work.

However it was observed that this caused a regression for Arek's ROG
Zephyrus G15 GA503QM which previously CPPC worked, but now it stopped
working.

To avoid causing a regression waive this failure when the CPU is known
to support CPPC.

Cc: Pierre Gondois <pierre.gondois@arm.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216248
Fixes: 0651ab90e4ad ("ACPI: CPPC: Check _OSC for flexible address space")
Reported-and-tested-by: Arek Ruśniak <arek.rusi@gmail.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-07-18 20:40:05 +02:00
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