DisplayLink Releases First USB 3.0 Driver, But Doesn't Appear Fully Open
Written by Michael Larabel in Hardware on 6 August 2015 at 08:26 AM EDT. 3 Comments
A few days after writing about a Linux driver coming for DisplayLink's USB 3.0-based hardware, they've released a binary driver for Ubuntu.

This message was posted to the DisplayLink Forums, "We’re pleased to announce the first version of DisplayLink support for Ubuntu is now available...We intend to maintain Ubuntu support, but have designed the driver in such a way, it should be possible to port the driver to other distributions."

The Ubuntu download page leads to a ZIP file that inside there is just a RUN file, so no actual Ubuntu/Debian packaging... However, I see no source tree for the entire driver, which is a pity given that DisplayLink USB 2.0 hardware has been rather open-source friendly and had seen quite vibrant work on Linux.

This Knowledgebase entry says this USB 3.0 driver supports their DL-5xxx, DL-41xx, and DL-3xxx hardware families. The driver supports up to two displays connected to this USB device and resolutions up to 4K are supported on appropriate DL hardware.

Hopefully DisplayLink will end up improving this driver (from their forums there seems to be some outstanding issues reported already) and pursue a fully-open, mainline DRM or FB driver like was done in the past for their USB 2 devices.
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