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Add support of Hardware Managed Performance States (HWP) described in Volume 3 section 14.4 of the SDM. With HWP enbaled intel_pstate will no longer be responsible for selecting P states for the processor. intel_pstate will continue to register to the cpufreq core as the scaling driver for CPUs implementing HWP. In HWP mode intel_pstate provides three functions reporting frequency to the cpufreq core, support for the set_policy() interface from the core and maintaining the intel_pstate sysfs interface in /sys/devices/system/cpu/intel_pstate. User preferences expressed via the set_policy() interface or the sysfs interface are forwared to the CPU via the HWP MSR interface. Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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| .. | ||
| amd-powernow.txt | ||
| boost.txt | ||
| core.txt | ||
| cpu-drivers.txt | ||
| cpufreq-nforce2.txt | ||
| cpufreq-stats.txt | ||
| governors.txt | ||
| index.txt | ||
| intel-pstate.txt | ||
| pcc-cpufreq.txt | ||
| user-guide.txt | ||