(In reply to comment #128)
> Recently tried kernel 3.11.1. Still not booting with radeon.dpm=1. Patch
> still isn't there for HD2600 ?

I sent the pull request that contained attachment 85256 [details] [review] to Dave last week so it
will probably be merged to 3.12 at some point this week and them end up in 3.11
sometime later.