VirtualBox DRM/KMS Driver Proceeding With Atomic Mode-Setting Support
Written by Michael Larabel in Virtualization on 18 September 2018 at 02:08 PM EDT. 3 Comments
VIRTUALIZATION --
The "vboxvideo" DRM/KMS driver for use by VirtualBox guest virtual machines that has been part of the mainline Linux kernel the past several cycles will soon see atomic mode-setting support.

Hans de Goede of Red Hat, who has been stewarding this driver into the Linux kernel after Oracle has failed to do so, is tackling the atomic mode-setting as his latest advancement to this driver important for a VirtualBox desktop VM experience. Published today were initial patches preparing the move to atomic mode-setting but not yet the full migration to this modern display API that offers numerous benefits.

Besides the significance of atomic mode-setting itself for improving this virtual DRM/KMS driver, use of the atomic APIs is the last known blocker preventing vboxvideo from graduating out of the Linux kernel's staging area.

The prep patches can be found on dri-devel and hopefully it won't be much longer before seeing the actual atomic patches and then their mainlining.
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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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