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Kernel: Linux 5.14 Stuff, XWayland 21.1.2, and AMDVLK 2021.Q3.1 Vulkan Driver

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  • Linux 5.14 Lands Updates For Its "Various Driver Subsystems Mushed Together" Tree - Phoronix

    The Linux 5.14 char/misc updates landed this week in the kernel. The "char/misc" area continues to serve as a growing catch-all portion of the code-base not jiving well elsewhere in other subsystems. 

    Char/misc maintainer Greg Kroah-Hartman commented in his 5.14 pull, "This is looking more and more like the "various driver subsystems mushed together" tree..." Indeed it is, particularly with more AI/compute accelerator drivers working their way into the mainline kernel. In years past there has been talk of likely added an "accelerator" subsystem to the Linux kernel but so far that hasn't panned out and drivers for AI hardware and the likes continue living within char/misc. 


  • xwayland 21.1.2
    I'm pleased to announce the Xwayland 21.1.2 release.
    The only change compared to the release candidate is a fix for a long standing issue where Xwayland wouldn't send events to notify clients of RandR configuration changes in some cases.
    Michel Dänzer (3):
          randr: Bail from RRTellChanged if there's no root window yet
          xwayland: Call RRTellChanged if the RandR configuration may have changed
          Bump version for the Xwayland 21.1.2 release
    git tag: xwayland-21.1.2

  • XWayland 21.1.2 Released With NVIDIA Hardware Acceleration Support - Phoronix

    XWayland 21.1.2 is out today and while it may seem like "just a point release", it's quite an exciting one at that since it does bring NVIDIA hardware acceleration for XWayland when paired with their new NVIDIA 470 series driver. 


  • AMDVLK 2021.Q3.1 Vulkan Driver Released - Phoronix

    This AMDVLK 2021.Q3.1 release updates their Vulkan headers against upstream v1.2.182, enables VK_KHR_shader_subgroup_uniform_control_flow, improves multi-pipeline cache file initialization, and has performance tuning for the game Strange Brigade in Steam Play with Navi 10 class graphics. There is also a bug fix around synchronization using pinned memory. The VK_KHR_shader_subgroup_uniform_control_flow extension is nearly a year old now and allows for using the SPIR-V KHR_subgroup_uniform_control_flow extension and guarantee that the uniform subgroup will re-converge in the same manner as invocation groups. 


    Source downloads of AMDVLK 2021.Q3.1 along with binaries for RHEL/CentOS and Ubuntu can be found via GitHub.

XWayland 21.1.2 is out now with support for hardware...

  • XWayland 21.1.2 is out now with support for hardware accelerated NVIDIA on the 470 driver

    That release has now been made as of today, July 9, where the only difference is "a fix for a long standing issue where Xwayland wouldn't send events to notify clients of RandR configuration changes in some cases".

    Hopefully soon various Linux distributions will pick up the new version, so users don't have to do any manual work for enabling hardware accelerated OpenGL and Vulkan rendering on Xwayland with their favourite distribution. Once done, it should mean NVIDIA users see a much better experience on Wayland.

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