[Feature] Allow intel_pstate to be used for HWP support only

Bug #1460912 reported by XiongZhang
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
intel
Fix Released
Undecided
Unassigned
linux (Ubuntu)
Fix Released
Undecided
Unassigned

Bug Description

Some people might wish to use acpi_cpufreq + governor of their choice for legacy p-state selection, and only use intel_pstate if they are on a platform which supports hwp. We need to provide an option to these users to load intel_pstate only if HWP is supported, and if not, exit and allow acpi_cpufreq to be used instead.

Schedule:
kernel: 4.0
d64c3b0 intel_pstate: provide option to only use intel_pstate with HWP

Revision history for this message
Leann Ogasawara (leannogasawara) wrote :

Marking this Fix Released for 15.10

information type: Proprietary → Public
Changed in linux (Ubuntu):
status: New → Fix Released
Changed in intel:
status: New → Fix Released
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