As far as I know, we haven't been able to decode the on/off switch for the modern XPS models, and it's a pity because we have dozens of users in the launchpad team, for the L501X, L502X and L702X models. The DSDTs are here:
https://bugs.launchpad.net/lpbugreporter/+bug/752542 If there is any ACPI expert in the list, please have a look at those, see if we can find the on/off graphics switch. On Sun, Jun 5, 2011 at 7:51 AM, James <[email protected]> wrote: > Hello all, > > I'm recently got a Dell L702X and so far it's been a rather nice > machine aside from the Optimus hurdle. So far, it works just fine > with the Intel chip, actually compiz capable but, I've got a 550M next > to it. So far, I've managed to use the acpi_call module > (http://github.com/mkottman/acpi_call) to turn on and off the NVIDIA > chip and I can confirm this by the amount of power being drawn from > the battery. My question is, with the NVIDIA chip enabled, is there > anyway to have the NVIDIA proprietary driver take over? I've tried > this with and without the Intel VESA module but, with the same result, > a black screen. The monitor does not turn off into a standby state, > it simply just display no content. My guess would be that everything > must go through the Intel chip before it can hit the NVIDIA and that > the NVIDIA chip has to send everything back to the Intel chip due to > the monitor being connected to the Intel chip. Ideally I'd like to > just have the NVIDIA chip always on with the NVIDIA driver handling > things but, I suppose if it was this easy, there would be no need for > the bumblebee project. Is something like this even currently doable? > > Thanks, > James > > _______________________________________________ > 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 > > _______________________________________________ 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
