tools/power x86_energy_perf_policy: Enhance HWP enable

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[ Upstream commit c97c057d35 ]

On enabling HWP, preserve the reserved bits in MSR_PM_ENABLE.

Also, skip writing the MSR_PM_ENABLE if HWP is already enabled.

Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Len Brown 2025-09-19 14:07:02 -04:00 • committed by Greg Kroah-Hartman

parent 7af7a31d11

commit fac1b37006

1 changed files with 9 additions and 4 deletions

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tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c

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