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i.MX DRM Support Called For Staging

Linux Kernel

Published on 15 June 2012 01:46 PM EDT
Written by Michael Larabel in Linux Kernel
1 Comment

The driver developer responsible for the i.MX Image Processing Unit DRM driver has called for it to be ultimately pushed into the Linux kernel but first via the kernel's staging area.

In June of 2011 I wrote about a new open-source KMS driver for supporting the Freescale i.MX51 and i.MX53 SoCs. This driver was written by Sascha Hauer of the German-based Pengutronix. Freescale's i.MX51 is a low-end SoC targeted for Google Chrome OS netbooks and the like while the i.MX53 is a much more powerful chip with better graphics capabilities. This i.MX driver was worked on over the summer of 2011 but never ended up being merged into the kernel.

While out of the mainline tree, Sascha has continued working on the i.MX driver and this past April he sought after improving Linux DRM for embedded systems.

In a new mailing list message from Thursday, Sascha is again seeking comments on his i.MX driver and he hopes it will be pushed into the Linux kernel staging area. "I think we have now come to a point where this code needs more public exposure and where it's easier to talk in incremental changes instead of blobs. Therefore I request this to go to staging for some cycles. This would allow us to have something in mainline as a base for further discussion while still being able to change bigger amounts of the driver without breaking officially supported features."

As far as the Freescale i.MX driver's features, "The IPU driver generally works on i.MX51, i.MX53 and i.MX6. The latter has two IPUs, the driver is able to handle them both. This series only contains the IPU driver. There are some additional glue code patches necessary. Also necessary are two drm CMA/GEM helper patches currently waiting for review on dri-devel...The branch contains board support for the i.MX51 babbage (both digital and analog DVI outputs are supported) and i.MX6q armadillo2 (HDMI)."

This i.MX IPU DRM driver will likely be a candidate for the Linux 3.6 kernel.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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