AMD Volleys Another Batch Of Graphics Driver Changes For Linux 5.5
Written by Michael Larabel in Radeon on 9 November 2019 at 09:41 AM EST. Add A Comment
RADEON --
While the Linux 5.4 cycle is quickly winding down and with DRM-Next's cut-off crossing, AMD has sent in a last minute batch of changes it's targeting for the upcoming Linux 5.5 merge window.

AMD in prior weeks submitted a lot of new GPU driver code for Linux 5.5. Friday's pull request is primarily fixes but one notable addition is enabling dynamic power gating for GCN with Raven Ridge APUs.

The highlights of this latest 5.5 pull to DRM-Next include:

- Video Core Next (VCN) dynamic power-gating has finally been enabled for Raven Ridge and Raven 2 APU platforms to help in power-savings around video playback.

- Fixes for Navi 14 support (currently the Radeon RX 5500 series) as well as other general Navi fixes.

- Arcturus fixes for that forthcoming Vega-based compute accelerator.

- xGMI power-state handling fixes.

- Various AMDGPU scheduler fixes.

- A dynamic power management (DPM) fix for Southern Islands / GCN 1.0 hardware ported from the AMDGPU driver to the default Radeon DRM driver.

- Other fixes.

More details via the pull request.
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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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