On Mon, 10 Sep 2012 14:31:52 +1000 Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com> > > For secondary GPUs in laptops, i.e. optimus or powerxpress, we have > methods for powering down the GPU completely. This adds support > to the drm core for powering back up the GPU on any access from > ioctls or sysfs interfaces, and fires a 5s timer to test if > we can power the GPU off. Is there a reason for basically re-inventing the existing Linux dynamic power management layer ? Alan