Black screen on X with acceleration on 7870 GPU

[Michel Dänzer]

On 20.07.2014 23:33, Alexandre Biron wrote:
> 
> For more than a year, I've been trying to use the free radeon driver
> for X. I have a 7870 Tahiti card.

AFAICT that's a so-called 'harvested' card, which requires the driver to
avoid using some functional units of the GPU which didn't pass hardware
validation. https://bugs.freedesktop.org/show_bug.cgi?id=60879 has some
patches trying to adress this.


-- 
Earthling Michel Dänzer            |                  http://www.amd.com
Libre software enthusiast          |                Mesa and X developer