Comment # 91 on bug 111481 from Marko Popovic

(In reply to Shmerl from comment #90)
> Those hangs are likely shader related, so not the same thing. But desktop
> (Firefox specifically for me) hangs look indeed fixed to me so far.

This might actually allow us to have nodma disabled OS-wise and just keep it on
for the games that hang the SDMA ring specifically :) I hope that I will have
the same experience as you and that "random" hangs on the desktop are indeed
fixed.