Linux 5.4 DRM Pull Submitted With AMD Navi 12/14, Arcturus & Renoir Plus Intel Tigerlake
Written by Michael Larabel in Linux Kernel on 19 September 2019 at 05:17 PM EDT. Add A Comment
LINUX KERNEL --
While we've known about the many features for a while if you are a faithful Phoronix reader, today the Direct Rendering Manager (DRM) graphics driver changes were sent in for the Linux 5.4 kernel.

This subsystem for the kernel graphics drivers in Linux 5.4 features:

- Lots of new AMD hardware support including Navi 12/14 (though hidden behind a feature flag), support for the yet-to-be-announced Vega-based Arcturus GPU, and support for next year's Renoir APU. There is also Dali APU support being submitted separately through an upcoming "fixes" pull.

- AMDGPU also has a variety of fixes for Navi/GFX10, various display (DC) fixes, GPU reset handling for existing Picasso APUs, and other additions.

- The Intel DRM driver has initial support for Tigerlake "Gen12" Xe graphics along with many improvements for Gen11 graphics.

- Nouveau now detects if GPU power cables are disconnected.

- Freedreno support for the MSM8998 display hardware.

- Per-process address space support for the Etnaviv driver.

- The Arm Midgard/Bifrost "Panfrost" driver now has per-FD address space support, GPU heap allocations, and other work.

- A wide variety of other fixes and changes to the smaller DRM drivers.

The list of DRM changes for Linux 5.4 can be found via this pull request. I'll be running some Linux 5.4 graphics tests shortly, particularly for checking on the Radeon RX 5700 support to see if it's more stable and any other enhancements to note for performance.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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