Another Hisilicon DRM Driver Is In The Works
Written by Michael Larabel in Linux Kernel on 30 May 2016 at 09:26 AM EDT. 1 Comment
With Linux 4.7 there are four new DRM drivers! But that flow of new DRM/KMS drivers, largely for display hardware on ARM SoCs, is not over.

Among several patches floating around for new DRM hardware enablement is another DRM driver for Hisilicon. In Linux 4.7 there's the Hisilicon Kirin DRM driver while being worked on for a future kernel release is now a Hisilicon Hibmc DRM driver.

This new Hisilicon DRM driver is for supporting the Hibmc baseboard management controller and these initial patches just provide basic display subsystem support for their display engine and VDAC (Video Digital-to-Analog Converter). This Hibmc driver in its current form is just under two thousand lines of code.

More details on the Hibmc DRM driver in its current form can be found via the V2 patch series on dri-devel.
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Michael Larabel is the principal author of 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 automated benchmarking software. He can be followed via Twitter or contacted via

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