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Kernel: AMD Renoir Temperature Monitoring, Intel DPTF Battery Support, Allwinner A100 Support

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  • AMD Renoir Temperature Monitoring To Come With Linux 5.8

    When it comes to the support for AMD Ryzen 4000 "Renoir" laptop support under Linux, as outlined in my testing so far this month the main caveat is needing Linux 5.6~5.7 for good graphics support but on the likes of Ubuntu 20.04 LTS with Linux 5.4 you will not have GPU acceleration. At least in the case of the Lenovo IdeaPad 5 I have been using to test, you also need Linux 5.7 Git for battery sensor support. Another item that in turn is coming with Linux 5.8 is CPU temperature reporting for the Renoir processors.

  • Intel DPTF Battery Support Published For Linux

    The patches posted on Friday for the DPTF battery support expose new DPTF dynamic tuning information regarding laptop/ultrabook battery capabilities. Exposed are the maximum platform power that can be supported by the given battery, the maximum sustained power for the battery, the high frequency impedance value from the battery fuel gauge, and battery discharge current capability. The information is exposed via sysfs to user-space and also notification support for changes to the Intel Dynamic Tuning Battery state.

  • Allwinner Preparing Their A100 SoC Support For The Upstream Linux Kernel

    Allwinner Tech has prepared their initial Linux kernel patches for bringing up the A100 SoC. The A100 SoC is one of their newest tablet-focused SoCs moving forward.

    The Allwinner A100 is based on the Cortex-A53 paired with PowerVR graphics. This low~mid-range SoC is decent and better than some past Allwinner SoCs but not as interesting as the also recently announced Allwinner A200 in a big.LITTLE design and with much more exciting features.

Allwinner Submits A100 Initial Support to Mainline Linux

  • Allwinner Submits A100 Initial Support to Mainline Linux

    You may also have already used boards based on Allwinner processors with mainline Linux support. But so far you had to thank linux-sunxi community for all the mainlining work they do, and AFAIK Allwinner was not involved.

    But today, I noticed Allwinner A100 initial support was submitted by Frank Lee with an AllwinnerTech dot com email address, and although the company was involved in some other patchsets, AFAIK it might be the first time they work on mainlining one of their processors.

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