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Mode-Setting Driver Now Supports VBlanks With Present

Written by Michael Larabel in X.Org on 26 December 2014 at 12:00 PM EST. Add A Comment

The xf86-video-modesetting driver continues to be improved as now being built into the X.Org Server.

This generic mode-setting driver that is designed to work with any hardware having a DRM/KMS kernel driver is of interest these days to many parties and in use by several different driver stacks / vendors. For the past few months this generic DDX has acceleration support when using GLAMOR, DRI2 support, many GLAMOR optimizations, and X-Video support.

The latest feature hooked up for xf86-video-modesetting within the xorg-server code-base is support for vblank synchronization when using the new X PRESENT extension. Previously vblank sync support was just part of the driver's DRI2 code-path.

The 256 new lines of driver code landed this week with this Git commit.

The X.Org Server 1.17 release is expected in the weeks ahead.

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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.