gpu-manager.c does not have a way to handle laptops with outputs connected to the nvidia card

[logich]

Option "UseDisplayDevice" "none" created in the function "write_prime_xorg_conf" breaks my multimonitor setup on an HP Zbook 15 but there is not an option to comment it out or not include that item in building the config. The display devices are connected to the Nvidia card and not the intel one, so they no longer show up. I'll see if I can work up something that checks a quirks file.

[tseliot]

I'm still considering enabling outputs connected to the Nvidia card. Last I checked there were regressions with inputs. If you are willing to test, that will definitely help.

[logich]

Sorry for the delay in email reply. Thanks for making the changes. it works like a champ. I am checking with some of my collegues at HP that helped to design the current HP laptops with optimus and there may be some useful details published about the hardware we use that could help. Particularly there are GPIO pins that can be read to see if anything is conencted to the NVIDIA card outputs. That might be useful in making automated decisions about turning on or off the GPU...

On Tue, Mar 11, 2014 at 2:24 AM, tseliot [email protected] wrote:

I'm still considering enabling outputs connected to the Nvidia card. Last I checked there were regressions with inputs. If you are willing to test, that will definitely help.

Reply to this email directly or view it on GitHubhttps://github.com/tseliot/ubuntu-drivers-common/issues/7#issuecomment-37276372 .

[tseliot]

I'm glad to read that my changes worked for you.

Those details that you mentioned would certainly help. I look forward to reading more about them.

Thanks