FYI, I just pushed out some changes for this that seem to make using the discrete graphics with the nouveau driver feel pretty stable. Give it a try and let me know what you find. Thanks,
Alex On Sun, Apr 17, 2011 at 8:54 PM, Alex Williamson <[email protected]> wrote: > I've been poking around at getting switcheroo working on my Asus > UL30VT and decided to drop it into a stand alone kernel module so that > it's portable among various distributions and usable with existing > kernels. This is really pretty generic, so I expect eventually we can > incorporate it into nouveau_acpi. You can find the source tree here: > > git://github.com/awilliam/asus-switcheroo.git > > If all you want to do is switch the discrete graphics off to save > battery, it does that perfectly (note the included suspend/resume > script). It's also able to switch the discrete graphics on with > nouveau. This still has several issues (mostly with the remaining > Intel driver). See the README for details. Also, if you're dead set > on using the proprietary nvidia driver, there's a hack included for > that... see the README. So far this is only tested on x86_64 Fedora > 14. Standard disclaimers apply, this works for me, but use at your > own risk. > > The theory of using a separate switcheroo module is simply that the > switcheroo code only accepts one "handler", first come, first served. > So, all we need to do is register before nouveau and take that slot. > I really don't know what some of these MX ACPI method calls do (if > anyone can share the MXM spec, please do), but I spent a while looking > at the DSDT and poking things with acpi_call to figure out what works. > When enabling the dummy client support for nvidia, we switch over the > mux and power up the device, leaving it enabled and unclaimed by > drivers for the nvidia driver to take over. Good luck, patches > welcome. Please report if it works on other Asus laptops. Thanks, > > Alex > _______________________________________________ Mailing list: https://launchpad.net/~hybrid-graphics-linux Post to : [email protected] Unsubscribe : https://launchpad.net/~hybrid-graphics-linux More help : https://help.launchpad.net/ListHelp
