[PATCH 1/3] drm/radeon: stop poisoning the GART TLB
Michel Dänzer
michel at daenzer.net
Thu Jun 19 18:10:46 PDT 2014
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
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