Intel Sends Out Initial Linux Graphics Driver Support For "Elkhart Lake"
Written by Michael Larabel in Intel on 14 March 2019 at 12:18 AM EDT. Add A Comment
INTEL --
It's busy as ever for the open-source Intel Linux graphics driver developers bringing up support for upcoming hardware like the recently published driver patches for Comet Lake, continuing to tweak the maturing Icelake "Gen 11" graphics, and also plotting the necessary re-engineering of the driver needed to bring-up Intel's in-development "Xe" discrete graphics. And Intel developers this evening sent out their initial enablement work for Elkhart Lake.

Elkhart Lake, thankfully, isn't yet another 14nm CPU revision nor based on the long-standing "Gen 9" graphics but is an Icelake offshoot. Elkhart Lake is the SoC successor to Gemini Lake that will be based on Icelake. Public details on Intel's Elkart Lake are still light, but the patches out on Wednesday confirm that it's indeed featuring Gen 11 graphics very similar to what is found in the Icelake processors.

The initial volley of Elkhart Lake Linux support are 9 patches to Intel's i915 kernel DRM driver. Patches for the rest of the Intel Linux graphics stack (namely their Mesa drivers) have yet to be published but will likely be out in short order.

The code presents just some basic differences between Elkhart Lake "EHL" and Icelake "ICL". At least for now there are just four PCI IDs for the Elkhart Lake graphics adapters: 0x4500, 0x4571, 0x4551, and 0x4541. These initial kernel bits for the Elkhart Lake SoC will likely end up being introduced into the Linux 5.2 kernel cycle this summer, still giving plenty of time for the released kernel to work its way into distributions before the SoCs debut.

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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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