hybrid-graphics-linux team mailing list archive

[Dapper <kedapperdrake@xxxxxxxxxxxxxx>]

Hi guys,
I have a new Thinkpad W520 with Nvidia Quadro 2000M and an Intel HD 3000.
Maybe you know that it has a hardware mux, so I could use both of them, 
but I have to switch in BIOS and install/uninstall the nvidia driver.
In optimus mode, I can only use the Intel card, including 3D 
acceleration for it (if nvidia driver isn't installd), but the nvidia 
card is still active. Thanks to acpi_call, i think i managed to disable 
the nvidia card:
I have to unload nouveau ( rmmod nouveau ), then to load acpi_call ( 
modprobe acpi_call), and then I can run test_off.sh, which works with 
the method \_SB.PCI0.PEG.VID._DSM. After that, the card still shows up 
in lspci, but it doesn't show up in powertop anymore.
I adapted Erik Andresen's script for his T420, and now it works for me.
But there are still 2 problems left:
1. The rc6 sleep state of the intel gpu doesn't work (not really a 
problem for this mailing list, i know)
2. I can't use 3D acceleration parallel with both GPUs. Do you know a 
way how to install the intel and the nvidia driver parallel without 
letting nvidia's one overwrite the intel libraries for 3D (I think 
that's why the intel one doesn't accelerate when nvidia driver is 
installed)?
If i could install them parallel, my next step would be to try out 
ironhide or bumblebee.
Thanks in advance, and sorry for my english,
__Matthias