hybrid-graphics-linux team mailing list archive

[Joaquín Ignacio Aramendía <samsagax@xxxxxxxxx>]

> Is something like this even currently doable?

Short answer: No, it can't.

I'm not an expert but as the time goes and we are able to test and
experiment with Optimus machines, we have found that:
- The Nvidia card is conected to the intel integrated and not to the
screen.
- There is no way to turn off integrated without losing the monitor.
- The only thing plugged directly to the Nvidia card is the HDMI port (I
cant test it, I don't have any HDMI capable hardware).

Hope this can help you. The bumblebee project is the way to use it and
we are going to develop it as much as we can in conjunction with
acpi_call to add functionality to mimic Optimus. But if NVIDIA corp is
not going to help us, we must help ourselves.
-- 
Joaquín Ignacio Aramendía <samsagax@xxxxxxxxx>

El dom, 05-06-2011 a las 02:51 -0400, James escribió:
> 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
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