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AMDKFD Preps More Carrizo/Kaveri Code For Linux 4.15 While dGPU Lags

Written by Michael Larabel in AMD on 18 October 2017 at 09:38 AM EDT. 4 Comments

The AMDKFD kernel driver that is a component of HSA support on Linux for Radeon GPUs is seeing more upstreaming work in Linux 4.15, but only for older APUs.

Recently AMD has been focused on upstreaming more of their changes to this HSA kernel driver. Initially it's been focused on Carrizo/Kaveri APU support and with Linux 4.15 it's continued that way.

There are improvements around suspend/resume, process termination, and various other code clean-ups. But Oded Gabbay mentions in the pull request to DRM-Next, "The patches here are relevant only for Kaveri and Carrizo. Still no dGPU patches."

The pull request can be found on dri-devel. Hopefully it won't be too much longer before seeing more of the discrete GPU support land as well as focusing on Raven Ridge.

4 Comments

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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, LinkedIn, or contacted via MichaelLarabel.com.