Intel Squeezes Final Batch Of Linux 4.19 DRM Changes, Lands Icelake Display Compression
Written by Michael Larabel in Intel on 19 July 2018 at 01:47 PM EDT. 1 Comment
INTEL --
Last week Intel sent in a "final" batch of i915 DRM driver feature updates to DRM-Next for the upcoming Linux 4.19 kernel cycle but it turns out there is one more batch of changes now focused on landing.

Intel open-source graphics driver developer Rodrigo Vivi submitted their final pull request of new material for Linux 4.19.

This last batch includes GTT read-only pages support, continued work on improving the GPU reset situation, caches are now flushed after GGTT writes, execlist fixes, GuC fixes, preparation for Display Stream Compression support, vGPU huge-page support for GVT guests, and various other code improvements and cleaning.

The Display Stream Compression that's landing is for Intel Icelake "Gen 11" graphics hardware. Intel has done a good job of working out the Linux hardware enablement for Icelake and support appears to be getting squared away while it will likely be not until Linux 5.0 or later when it's firmly in place, which should be fine considering that Intel Icelake processors aren't expected to ship at least for another year.

The final batch of i915 DRM updates for DRM-Next-4.19 can be found via this dri-devel list posting. Our Linux 4.19 DRM feature overview recapping all of the Direct Rendering Manager activity will be coming up in the next week on Phoronix.

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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 10,000 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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