Linux 5.10 Adds Intel Alder Lake DPTF Support - Still A Thorn For Open-Source
Written by Michael Larabel in Linux Kernel on 13 November 2020 at 12:00 AM EST. Add A Comment
LINUX KERNEL --
A late notable change for the Linux 5.10 kernel that was merged today as a "fix" is DPTF support for Intel Alder Lake hardware.

Intel's Dynamic Platform and Thermal Framework (DPTF) has been common to Intel ultrabooks for a few years as their power/thermal solution for managing fan noise, overheating, and other performance-related problems. But for Linux users DPTF has been a mess and making full use of Intel DPTF on Linux has required binary bits -- including a binary-only utility for parsing DPTF tables from the system firmware.

DPTF has generally been a mess for Linux unless taking extra steps and not minding the binary portions. With Intel Alder Lake it looks like this solution is continuing.

Merged as a fix for Linux 5.10 is the DPTF Alder Lake support. That support amounts to adding some new IDs.

It's looking like with Linux 5.10~5.11, Intel should have much of the Alder Lake hardware enablement support in place.
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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 or contacted via MichaelLarabel.com.

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