While we continue to observe hangs even with this w/a in place, I do
believe we are in a better position (although that may just be my
confirmation bias). I certainly don't think it's all happy yet. Mika
believes that if we keep the cpu in C0 whilst the gpu is busy, then it
behaves much better -- but that is a very tough sell; virtually disabling
cpu powersaving entirely, for the gpu rarely sleeps under the target

Still I think this series moves us forwards and would appreciation acks
or an outright nak to drop it. :)

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