hybrid-graphics-linux team mailing list archive

[Moshe Nissim <mnissim@xxxxxxxxx>]

If I understood correctly, bumblebee uses the intel graphics as the 'main' X
server hardware,
and another X server for the nVidia graphics, without a visible screen, and
with VirtuGL to route
GL operations to Pbuffer on that screen.
I don't want all this setup.
I want something much simpler: ignore the intel graphics completely, and use
the nVida hardware
with the nVidia driver.
Does this laptop have a hardware LVDS mux?
If yes, does someone know how to throw the switch via acpi_call?



On Tue, Jun 14, 2011 at 3:37 PM, Joaquín Ignacio Aramendía <
samsagax@xxxxxxxxx> wrote:

> I think Bumblebee is your only choice here. Just don't use it to turn
> on/off your card you can modify the scripts to do that.
>
>
> --
> Joaquín Ignacio Aramendía <samsagax@xxxxxxxxx>
>
> El mar, 14-06-2011 a las 11:13 +0300, Moshe Nissim escribió:
> > I dual-boot to windows-7 therefore I would like to keep the BIOS
> > setting of Optimus to 'enabled'.
> > On linux, at this stage, I would simply like to use the nVidia card
> > with nVidia drivers, NOT toggling it off/on,
> > using bumblebee VirtualGL or anything fancy. (and drain the
> > battery...)
> >
> >
> > lspci shows the intel + nvidia cards (as expected).
> >
> >
> > Trying to use Xorg with explicit PCI number of the nVidia card
> > ("BusID"...) fails with
> > "NVIDIA(0): No display devices found".
> >
> >
> > Trying to force a display connection ("ConnectedMonitor" "DFP-0") -
> > Xorg starts without complains,
> > but screen is blanked (text-mode login prompt disappears, _ cursor on
> > top left).
> > ctrl-alt-Fx switches to other text-mode login screens.
> > Seems to me like its still the Intel output (which is still in text
> > mode).
> >
> >
> > Does this laptop have a hardware LDVS mux?
> > If so, how co control it?
> >
> >
> > Disabling Optimus in the BIOS makes only the nVidia card visible on
> > lspci, and Xorg works as expected
> > (without any need for explicit 'ConnectedMonitor' setting, or 'BusID'
> > setting).
> > But this is a pain, since I dual-boot to windows-7 and want the
> > Optimus mode to work there.
> >
> >
> > attached files:
> >
> https://bugs.launchpad.net/lpbugreporter/+bug/752542/+attachment/2166441/+files/Latitude%20E6420.tar.gz
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>