hybrid-graphics-linux team mailing list archive

[Joaquín Ignacio Aramendía <samsagax@xxxxxxxxx>]

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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