Power Management Update In Linux 4.3 Adds New Support, But Mostly Unexciting

Written by Michael Larabel in Hardware on 1 September 2015 at 08:05 PM EDT. 8 Comments
HARDWARE
Rafael Wysocki mailed in the power management and ACPI updates this evening for the Linux 4.3 kernel merge window.

The ACPI/PM updates this time around aren't particularly exciting, but there is some new hardware support and other feature work. There are CPUfreq clean-ups, a new CPUfreq driver for the Mediatek MT8173 hardware, ACPICA fixes, ACPI processor driver updates preparing for CPPC support, Operating Performance Points (OPP) framework changes, Intel P-State adds Skylake-S support, the Intel_Idle driver adds Skylake client support, system sleep support updates, power-capping RAPL updates for Skylake-H/S and Broadwell-H, and an assortment of other work.

There's a fair amount in here for Skylake and Broadwell Intel hardware so it's just another thing I look forward to testing. The pull request in full can be viewed via the kernel mailing list.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.

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