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Graphics: Red Hat's Wayland Agenda and AMD Begins Queueing Graphics Driver Changes For The Linux 5.3 Kernel

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Graphics/Benchmarks
  • Hans de Goede: Wayland itches summary

    1. Middle click on title / header bar to lower the Window does not work for native apps. Multiple people have reported this issue to me. A similar issue was fixed for not being able to raise Windows. It should be easy to apply a similar fix for the lowering problem. There are bugs open for this here, here and here.

    2. Running graphical apps via sudo or pxexec does not work. There are numerous examples of apps breaking because of this, such as lshw-gui and usbivew. At least for X11 apps this is not that hard to fix. But sofar this has deliberately not been fixed. The reasoning behind this is described in this bug. I agree with the reasoning behind this, but I think it is not pragmatic to immediately disallow all GUI apps to connect when run as root starting today.

  • Hans de Goede: Better support for running games under Wayland (with GNOME3/mutter as compositor)

    First of all I do not want people to get their hopes up about $subject of this blogpost. Improving gaming support is a subjects which holds my personal interest and it is an issue I plan to spend time on trying to improve. But this will take a lot of time (think months for simple things, years for more complex things).

  • AMD Begins Queueing Graphics Driver Changes For The Linux 5.3 Kernel

    Being past the Linux 5.2 kernel merge window, AMD's open-source Linux graphics driver developers have already begun queuing changes anticipated for Linux 5.3 via a work-in-progress tree.

    Given the short time that this 5.3 WIP tree has been around, there isn't too much exciting about the changes -- yet. But surely over the weeks ahead it will get interesting. Making things particularly interesting is that we are expecting initial Navi support to make it for Linux 5.3... In recent weeks AMD began pushing AMDGPU LLVM compiler back-end changes for GFX10/Navi and we expect the AMDGPU DRM kernel driver enablement to come for Linux 5.3. Linux 5.3 will already be arriving after the rumored release of the first Navi graphics cards so having to wait past 5.3 for mainline support would already be tragic. But given the recent LLVM activity, we expect AMD to push out the Navi kernel driver changes soon. For that likely massive patch-set to be reviewed in time, the Navi patches would need to make their debut within the next few weeks.

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With last week having delivered fresh benchmarks of the mid-range NVIDIA/AMD graphics cards using the very latest drivers, particularly the in-development Linux 5.2 and Mesa 19.2 components with the Radeon graphics cards tested, here is a similar comparison when moving up the spectrum and focusing on the higher-end graphics cards. Here's a look at how the RX 590, RX Vega 56, RX Vega 64, and Radeon VII are performing with the newest open-source AMD driver code compared to the NVIDIA Turing line-up backed by their latest binary driver. While next month will be Radeon RX 5700 series Linux benchmarking using the newest code (DRM-Next / Linux 5.3), this article is offering a fresh look at how the Linux 5.2 kernel performance is shaping up on the higher-end graphics cards as complementary to last week's numbers. The four Radeon cards tested were using the Linux 5.2 Git kernel and Mesa 19.2-devel using the Oibaf PPA. The NVIDIA Pascal and Turing cards benchmarked were using their latest driver available, version 430.26. Read more