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tools/power/cpupower: Fix Pstate frequency reporting on AMD Family 1Ah CPUs
authorDhananjay Ugwekar <Dhananjay.Ugwekar@amd.com>
Tue, 30 Apr 2024 08:37:06 +0000 (14:07 +0530)
committerShuah Khan <skhan@linuxfoundation.org>
Tue, 28 May 2024 15:22:57 +0000 (09:22 -0600)
commit43cad521c6d228ea0c51e248f8e5b3a6295a2849
tree6352b2281c212995c633e881a5eb97857e143702tree
parent1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0commit | diff
tools/power/cpupower: Fix Pstate frequency reporting on AMD Family 1Ah CPUs

Update cpupower's P-State frequency calculation and reporting with AMD
Family 1Ah+ processors, when using the acpi-cpufreq driver. This is due
to a change in the PStateDef MSR layout in AMD Family 1Ah+.

Tested on 4th and 5th Gen AMD EPYC system

Signed-off-by: Ananth Narayan <Ananth.Narayan@amd.com>
Signed-off-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
tools/power/cpupower/utils/helpers/amd.c diff | blob | history
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