On Tue, Jul 10, 2012 at 10:27:08AM +0100, Chris Wilson wrote: > By selecting the cache level (essentially whether or not the CPU snoops > any updates to the bo, and on more recent machines whether it resides > inside the CPU's last-level-cache) a userspace driver is able to then > manage all of its memory within buffer objects, if it so desires. This > enables the userspace driver to accelerate uploads and more importantly > downloads from the GPU and to able to mix CPU and GPU rendering/activity > efficiently. > > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk> I've merged the interface header bits of this patch to reserve the ioctl number. I'd like to play around some more with the implementation and merge it in about a week for 3.7. -Daniel -- Daniel Vetter Mail: daniel at ffwll.ch Mobile: +41 (0)79 365 57 48