[PATCH 1/3] drm/radeon: stop poisoning the GART TLB

[Michel Dänzer]

On 19.06.2014 19:20, Marek Olšák wrote:
> Hi Michel,
> 
> 3.15 doesn't contain Christian's fix yet, so it should be always
> broken for everybody. The fix is currently only in 3.16.
> 
> Alternatively, you can cherry-pick the fix to 3.15, but it doesn't
> apply cleanly.

That's a good point. Sorry, I should have mentioned I've been testing
with the GART poisoning fix backported to 3.15.


> There is a workaround in 3.15 which disables sDMA and uses CP DMA for
> copying buffers. It seems to help Christian's machine, but not mine.

I've been testing with CP DMA on Bonaire FWIW.


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