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Linux: ACPI CPPC, Intel Media Driver and Corsair Commander Pro Driver

  • More Accurate Load Tracking Being Worked On For the ACPI CPPC CPUFreq Driver

    The ACPI CPPC (Collaborative Processor Performance Control) Linux CPUFreq driver continues to be improved upon. CPPC is the ACPI specification around OS management of describing abstract performance scales and a means of being able to request higher/lower performance levels and measuring per-CPU performance. The Linux kernel for a while has offered the ACPI CPPC CPUFreq driver for making use of this standard on supported systems for frequency scaling. So far mostly Arm Linux systems have leveraged ACPI CPPC CPUFreq while last year AMD proposed their own CPPC driver albeit at the moment appears stalled.

  • Intel Media Driver Q2-2020 Ships With Better Tiger Lake Support

    The Intel Media Driver Q2'2020 release continues evolving the Gen12/Xe Graphics support for forthcoming Tiger Lake systems as well as for the likes of Rocket Lake and DG1. New on the Gen12/TGL front is HEVC SCC encoding, 16-bit format support, better performance via utilizing the media BLT engine for surface hardware copies, engine-to-engine (E2E) compression support, and surface sharing.

  • Corsair Commander Pro Driver On-Deck For Linux 5.9 Kernel

    For those looking for an RGB lighting and fan speed controller system that works under Linux, the Corsair Commander PRO is slated to see support with the upcoming Linux 5.9 kernel cycle. A new driver for the Corsair Commander Pro was queued up on Thursday into hwmon-next as material for the Linux 5.9 merge window in August. The Corsair Commander PRO supports commanding up to six cooling fans, two LED channels, and sports four temperature sensors while interfacing with the system via USB.

DRM and Games

  • Right-to-repair advocates say hospitals need new rules to keep equipment working

    The PIRG report surveyed 222 biomedical professionals, many of whom work at hospitals. Nearly half said they’d been denied access to necessary repair parts and information during the pandemic. And nearly all said that removing restrictions on repairs was “critical” or “very important” to their work.

    According to the survey, manufacturers frequently restrict third-party repairs. Around 92 percent of the respondents said they’d been denied service information about equipment like ventilators and defibrillators, with around half of those people saying it happened “somewhat frequently.” Around 89 percent said manufacturers had refused to sell spare parts.

  • Sony Takes Minority Stake in Epic Games with $250 Million Investment

    Sony has made a $250 million investment to acquire a minority stake in Epic Games, the developer of Fortnite and the Unreal Engine used increasingly in Hollywood production.

  • Sony Invests $250 Million in Unreal Engine Maker Epic Games

    The PlayStation maker and Fortnite proprietor didn’t disclose the new value of the games company. Bloomberg News first reported last month that Epic was close to securing funding at a valuation of about $17 billion.

    The Unreal Engine is used to create many popular game franchises, such as Borderlands and Gears of War, along with Epic’s own Fortnite. The fifth iteration, Unreal Engine 5, made its debut this summer and was demonstrated on PlayStation 5 hardware, signaling the close collaboration between Epic and Sony.

  • [Old] Sony's DRM Rootkit: The Real Story

    On Oct. 31, Mark Russinovich broke the story in his blog: Sony BMG Music Entertainment distributed a copy-protection scheme with music CDs that secretly installed a rootkit on computers. This software tool is run without your knowledge or consent -- if it's loaded on your computer with a CD, a hacker can gain and maintain access to your system and you wouldn't know it.

    The Sony code modifies Windows so you can't tell it's there, a process called "cloaking" in the hacker world. It acts as spyware, surreptitiously sending information about you to Sony. And it can't be removed; trying to get rid of it damages Windows.

  • Half-Life: Alyx - Final Hours details lots of cancelled Valve projects

    Here's one for serious Valve enthusiasts and people wanting to get juice details on their cancelled projects, and everything that led up to Half-Life: Alyx. Half-Life: Alyx - Final Hours is an interactive storybook, written by Geoff Keighley, that takes fans inside Valve Software to chronicle the company’s past decade of game development, including the return of Half-Life. There's so much detail in there it's crazy, it's also pretty amazing to learn it all with this new Valve Software that doesn't seem to mind talking a bit more. If you're curious, that does include a cancelled Half-Life 3. Yes, it really actually was a thing (as if there was any doubt) but it along with a lot more didn't make the cut.

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  • More progress on Easy Anti-Cheat in Wine / Proton coming

    With the current in-progress community development effort to get Easy Anti-Cheat working in the Wine / Proton compatibility layers, they continually hit new milestones. Starting off getting one game to progress at low performance back in late June, they shared another big update recently. Going by what they said on Twitter it appears multiple titles have become playable on Linux including: Apex Legends, For Honor, Paladins, Cuisine Royale, Halo: The Master Chief Collection (single-player already works fine though), Rust and Dead By Daylight.

today's howtos

Graphics: Wayland-Info, NVIDIA Vulkan Beta Driver and More

  • weston-info as a standalone utility
    Hi all,
    
    A long time ago [1], I suggested that we move weston-info out of the
    Weston source tree because this is a very useful tool which gives
    important information about any Wayland compositor, not just Weston.
    
    The general consensus was it was a good idea, unfortunately other more
    important things happened, people (including me) eventually forgot
    about that and it never actually came to fruition…
    
    But the need remains, I think we should have a compositor agnostic
    tool that gives the general information about the running compositor.
    And we should not need to install Weston for that alone.
    
    So I took the liberty to uproot weston-info, rename it as wayland-info
    and put it on its own repo:
    
    https://gitlab.freedesktop.org/ofourdan/wayland-info
    
    As you can see, I took great care to preserve the git history of
    weston-info in the process.
    
    In the meantime, Peter has already submitted patches to wayland-info
    (thanks Peter!) so the tip of wayland-info is different from
    weston-info (basically, we have diverged already).
    
    Eventually, if nobody has objections, we could move that repo to the
    wayland domain…
    
    Cheers,
    Olivier.
    
  • Wayland-Info Spun From Weston Code For Offering Wayland Helper Tool

    Wayland's Weston compositor has provided a weston-info utility to display information on supported Wayland extensions and versioning along with other details of the Wayland compositor environment. That utility is now being spun out as wayland-info as a Wayland compositor-agnostic utility for displaying this information. Olivier Fourdan of Red Hat has been working on spinning out weston-info as wayland-info for serving as its own standalone utility while some other common Wayland utilities/examples may end up being added to its source tree as well, akin to mesa-utils.

  • NVIDIA Vulkan Beta Driver 450.56.01 out, Ray Tracing and bug fixes

    Shortly after giving us a brand new stable mainline driver, the NVIDIA driver team have released a new developer-focused Vulkan Beta Driver.

  • Mike Blumenkrantz: Restart

    The last remaining feature for GL 3.1 was primitive restart, which allows an indexed draw command to end the current primitive when a specified index is processed, beginning a new one of the same type with the next index.