Fixing Ubuntu USB-C to HDMI DELL DA200

Has been almost a year that I bought my dell XPS developers edition with the DA200 adapter, which only works with low resolutions due to a published bug. http://en.community.dell.com/support-forums/software-os/f/3525/t/19999974 . Other USB-C  to HDMI adapters / docks also fail with the same.

During all this time there was no solution without compiling and patching the kernel, as described here : https://patchwork.kernel.org/patch/9646451/ .

I was using Ubuntu 16.04.3 LTS with the Kernel 4.10 before the upgrade, with the latest Intel drivers and Gnome Shell enviroment.

On the 3rd of September of 2017, the Linux Kernel 4.13 was released, and included the patch about this particular driver. You can see more information about this here : https://lkml.org/lkml/2017/9/3/155

What we are going to do now, is simple install this version of the kernel in order to fix the issue. By the way, in this moment I am writing with my external monitor connected through my USB-C/HDMI converter.

Downloading the Kernel 4.13

We download from the official site, http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.13/. In my case I will download the 64bit debs.

• wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.13/linux-headers-4.13.0-041300_4.13.0-041300.201709031731_all.deb
• wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.13/linux-headers-4.13.0-041300-generic_4.13.0-041300.201709031731_amd64.deb
• wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.13/linux-image-4.13.0-041300-generic_4.13.0-041300.201709031731_amd64.deb

After downloading the kernel packages, we just install them.

sudo dpkg -i *.deb

and once everything is installed properly, we just reboot. Now everything should be working as it should.

I hope it is useful for you !

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