Comment # 94 on bug 111481 from Marko Popovic

(In reply to Pierre-Eric Pelloux-Prayer from comment #93)
> Created attachment 145734 [details] [review] [review]
> sdma read delay
> 
> Hi all,
> 
> Here's a new patch that should help with sdma issues.
> 
> This is not a replacement for
> https://patchwork.freedesktop.org/patch/335077/ nor
> https://bugs.freedesktop.org/show_bug.cgi?id=111481#c33 so ideally you
> should have the 3 patches applied and the "AMD_DEBUG=nodma" workaround
> disabled.
> 
> Let me know if it helps getting rid of the sdma timeout errors. Thanks!

Excellent! I will test it further when I come home, I only have the recent SDMA
patch applied in the kernel and "random" hangs were already gone, hopefully
this will help fix the game-specific provoked SDMA type hangs! Will report back
in the following days.