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Render Nodes & Gamma Ramp Support For The Raspberry Pi VC4 Driver

Written by Michael Larabel in Raspberry Pi on 3 May 2016 at 08:18 AM EDT. Add A Comment

The VC4 kernel DRM driver for the Raspberry Pi has seen a few more features primed in time for the Linux 4.7 merge window.

We've already seen the VC4 DRM driver queue up DPI panel support for the code that will be merged into Linux 4.7. Besides the DPI driver, an updated pull request now adds render node support as well s gamma ramp support. The gamma ramp support should fix things up for brightness sliders within full-screen games.

More details on this revised drm-vc4-next code can be found via this kernel mailing list message.

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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.