Sorry for not giving any news with kernel 3.14 cycle for now: I'm struggling
with another bug unrelated to GPU and I haven't had much time to complete
bisecting it. Once done and fixed, I'll give some new inputs.

On a different topic, I hit a GPU hang/reset situation this week with a 3.13.6
kernel while dpm was enabled, which is... extremely rare. Usually, it either
hang completly at some point or work for some time without problem. I was able
to take a screen shot. I'll look in the logs to see if I can get something out.
However, I was wondering if I should push it here or open a new bug. Any
suggestion?