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Phoronix on Linux 5.2, X.Org Server 1.21 and More

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Graphics/Benchmarks
Linux
  • Linux 5.2 To Allow P2P DMA Between Any Devices On AMD Zen Systems

    With the Linux 5.2 kernel an AMD-supplied change by AMDGPU developer Christian König allows for supporting peer-to-peer DMA between any devices on AMD Zen systems.

  • KVM Changes Make It Into Linux 5.2 With Improvements For x86, POWER, ARM

    The Kernel-based Virtual Machine (KVM) changes were sent out on Friday of the new feature updates for the Linux 5.2 kernel that is nearing the end of its merge window. 

    New KVM material for Linux 5.2 includes support for SVE and pointer authentication for guests on the ARM front along with PMU improvements. Over in the POWER space is now the ability to directly access the POWER9 XIVE interrupt controller and various memory and performance optimizations. Meanwhile on the x86 front is support for accessing memory not backed by a struct page along with other fixes and refactoring.

  • DRM Fixes Head Into Linux 5.2 While Letting Nouveau Turing TU117 Support Slip In

    Following last week's big feature update to the DRM graphics drivers, an initial batch of "fixes" has now been merged to the early Linux 5.2 development code for these Direct Rendering Manager drivers. 

    These include AMDGPU SR-IOV fixes, Radeon R500 PLL fixes for that old X1000 series hardware, various Intel graphics driver fixes, Nouveau Turing mode-setting fixes, and fixes to several of the smaller drivers.

  • A Push Towards Firmware-less Video Decoding By Linux Kernel Media Drivers

    Veteran Linux multimedia developer Paul Kocialkowski summed up the current situation this week of many hardware platforms having a general purpose micro-controller running a non-free firmware blob for coordinating the video decoding work. It makes it easier to program with this firmware-based approach but makes the driver less free and now with recent Linux infrastructure improvements could better support dealing with the video hardware itself. 

    While the firmware-based video decoding makes the driver work easier, it's contingent upon the binary firmware blobs and the micro-controller running it doesn't necessarily be wasting energy on that task. With recent work on the Linux kernel's media interface, the kernel can now better support interfacing with hardware decoders directly. 

  • Intel Agilex Now Supported By Linux 5.2 Kernel; ARM Boards Like Jetson Nano Also Added

    Olof Johansson sent in the SoC updates on Thursday for the Linux 5.2 kernel merge window that is nearing the end. There is new SoC support for this new kernel and a number of new boards also being supported. 

  • The Open-Source / Linux Highlights From OSTS 2019

    We've had a number of articles covering the interesting news out of Intel's 2019 Open-Source Technology Summit (OSTS) held at Skamania Lodge in Stevenson, Washington. Here's a look back at the news out of the open-source event as well as some other smaller bits of information shared during the event.

  • PRIME GPU Offloading Improvement For GLXVND Merged For X.Org Server 1.21

    Work by NVIDIA to provide separate per-client vendor mappings for GLXVND were merged to X.Org Server 1.21 Git as another step towards improving the PRIME GPU offloading support when multiple GPU drivers are at play.

    The work merged on Friday is an alternative to an earlier GLX extension proposal for controlling GLXVND dispatching for PRIME GPU offloading. But this newly-merged implementation isn't contingent upon a new GLX extension. GLXVND is the vendor neutral dispatch implementation for the X.Org Server with GLX similar to the GLVND OpenGL user-space bits.

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KDE: Plasma Mobile at Plasma Sprint Valencia and GSoC Work

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    In June month we gathered in Slimbook’s offices to work on Plasma. Along with Plasma developers, we were also joined by KDE Usability and Productivity team. During the sprint I mostly worked to create up-to-date image for Plasma Mobile, as from last few weeks Plasma Mobile image was quite out-of-date and needed update.

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