Phoronix: A Day Later, Hybrid Graphics On Linux Does More

Just yesterday morning we reported on hybrid graphics coming to Linux in a crude form, which allowed dual-GPU notebook systems to switch between the onboard GPUs via a kernel patch but what made it crude was that it wasn't seamless switching within the running X.Org Server (it won't be this way for some time) and it didn't actually turn off the other GPU when the other one was in use. In the past 24 hours, however, David Airlie has published three new versions of this Linux kernel patch. The second version of Airlie's "switcheroo" code as it's called brought support for powering up and powering down the GPUs...

http://www.phoronix.com/vr.php?view=Nzk0OQ