hwpstate_amd(4): CPPC: Allow attaching even if CAPABILITY_1 cannot be read
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Authored by olce on Wed, Feb 11, 8:51 PM.

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Subscribers

cracauer

imp

Details

Reviewers

aokblast
lwhsu
emaste

Summary

If that MSR cannot be read, we fallback to defaults specified by the
ACPI specification, as we are already doing when the minimum and maximum
values in there look bogus.

Diff Detail

Repository

rG FreeBSD src repository

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Lint Skipped

Unit

Tests Skipped

Build Status

Buildable 70626
Build 67509: arc lint + arc unit

Event Timeline

olce created this revision.Wed, Feb 11, 8:51 PM

Herald added a subscriber: imp. · View Herald TranscriptWed, Feb 11, 8:51 PM

olce requested review of this revision.Wed, Feb 11, 8:51 PM

Harbormaster completed remote builds in B70626: Diff 171797.Wed, Feb 11, 8:51 PM

olce added a parent revision: D55251: hwpstate_amd(4): Consistency of cached CPPC_REQUEST value.Wed, Feb 11, 8:55 PM

olce added a child revision: D55253: hwpstate_amd(4): CPPC: Switch the default to maximum performance.

olce added subscribers: cracauer, cy.Wed, Feb 11, 9:03 PM

Revision Contents
Changeset List

Path

Size

sys/

x86/

cpufreq/

hwpstate_amd.c

45 lines

Diff 171797

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sys/x86/cpufreq/hwpstate_amd.c

hwpstate_amd(4): CPPC: Allow attaching even if CAPABILITY_1 cannot be readNeeds ReviewPublicActions