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I have a laptop with a AMD Radeon HD 6970M (note the M! this is a mobile GPU!). I upgraded a working Ubuntu 15.04 to 16.04 and now have a login loop due to no driver listing this GPU as being supported. I have learned that fglrx was dropped in 16.04, but other questions such as this one seem to indicate that 6400M+ should work with the radeon driver. I already tried to use Oibaf's drivers as suggested here to no avail.

lshw -c video and similar commands do not mention a driver, and ubuntu-drivers devices does not even mention my GPU.

Is the Radeon HD 6970M supported in Ubuntu 16.04? Is there a way to force the radeon driver to work with it?

Edit: The HD 6970M chip is based on the desktop HD 6850, which radeon lists as a supported GPU. It more or less doesn't mention mobile GPUs so their support status is unclear. I have filed a bug to the xorg radeon driver maintainers.

holocronweaver
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  • When you tried the Oibaf's drivers, did you actually install a driver? Because according to the instructions, you just add the repository, then run sudo apt update then sudo apt upgrade. I have an older laptop using the Mobility Radeon HD 4530, and my tests show that the driver did load. – Terrance Apr 20 '17 at 02:37
  • Yep, installed the drivers, rebooted, but still no supporting drivers detected. – holocronweaver Apr 20 '17 at 03:21

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