Intel Driver Gets DRI2, KMS Approaching
Written by Michael Larabel in Intel on 5 December 2008 at 07:17 PM EST. 18 Comments
Times are already exciting within the X.Org development community thanks to the Graphics Execution Manager entering Linux 2.6.28 and the release of X Server 1.6 quickly approaching, but still there's more good news to report this week. The Direct Rendering Infrastructure 2 support has entered the mainline xf86-video-intel driver and DRM mode-setting (commonly referred to as kernel mode-setting) has appeared in the drm-intel-next branch.

Intel's driver has worked with DRI2 already, but now it's finally entering their mainline tree to appear in Intel's next driver release (xf86-video-intel 2.6). This support isn't yet perfect (DRI2 vBlank-synced swaps are still lacking), but it's a sign that the Intel DRI2 implementation is now ready for adoption. DRI2 was dropped from X.Org 7.4 but will appear in X Server 1.6 after its October revision. ATI support for DRI2 can be found in an experimental driver.

Kernel-based mode-setting support has been planned to enter the Linux 2.6.29 kernel and the Intel support for it appearing in drm-intel-next (Intel's staging area for code that soon will go mainline) confirms this will take place. To use KMS, you'll also need to use the GEM mode-setting branch of libdrm.

Additional commentary on these two events can be found on Eric Anholt's blog.
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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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