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-   -   Optimus support for Linux (http://www.nvnews.net/vbulletin/showthread.php?t=144750)

billkaos 02-10-10 02:43 PM

Optimus support for Linux
 
Dear Nvidia developers:

Is there any plan to support the Optimus GPU switching technology in Linux?

Links about optimus:

http://www.osnews.com/story/22850/NV..._GPU_Switching
http://www.nvnews.net/vbulletin/showthread.php?t=143380
http://www.nvidia.com/object/io_1265444450529.html

Regards!

AaronP 02-10-10 04:47 PM

Re: Optimus support for Linux
 
We have no plans to support Optimus on Linux at this time.

mooninite 02-10-10 08:24 PM

Re: Optimus support for Linux
 
Quote:

Originally Posted by AaronP (Post 2183477)
We have no plans to support Optimus on Linux at this time.

Good! There's much bigger fish to fry.

Edit (2011-09-07)
After a year, I want to take back my statement. Graphic card switching does need to be supported now. All Intel CPUs now force Optimus.

gqman69 02-10-10 09:48 PM

Re: Optimus support for Linux
 
Yeah, lets start by "fixing" the perpetual performance problems like resizing a window in kde, for example.

ledoc 02-11-10 01:53 AM

Re: Optimus support for Linux
 
That's just marketing anyway, to flank the release of excessively powerhungry fermi chips.

kwizart 02-11-10 07:30 AM

Re: Optimus support for Linux
 
Dave airlied has done some work on the subject despite he's not specially targeting nvidia GPU:
http://airlied.livejournal.com/71012.html

NvFuchs 02-11-10 07:34 AM

Re: Optimus support for Linux
 
Quote:

Originally Posted by gqman69 (Post 2183678)
Yeah, lets start by "fixing" the perpetual performance problems like resizing a window in kde, for example.

This is

1) not a nvidia but a general issue (I have the same thing on my intel card)
2) partially solved in Qt 4.6
3) the same in other composite&window managers like compiz as well
4) solved by not displaying live content on a resize, which simply redraws the whole thing x times per second, which is slow anyway.

Fuchs

undoIT 02-12-10 12:06 PM

Re: Optimus support for Linux
 
Quote:

Originally Posted by AaronP (Post 2183477)
We have no plans to support Optimus on Linux at this time.

If there are no plans to support Optimus on Linux, will there at least be a way to manually switch between integrated and discrete graphics?

mooninite 02-12-10 01:16 PM

Re: Optimus support for Linux
 
Quote:

Originally Posted by undoIT (Post 2184758)
If there are no plans to support Optimus on Linux, will there at least be a way to manually switch between integrated and discrete graphics?

Yeah, using open source drivers.

http://airlied.livejournal.com/71012.html

undoIT 02-12-10 01:22 PM

Re: Optimus support for Linux
 
Quote:

Originally Posted by mooninite (Post 2184865)
Yeah, using open source drivers.

http://airlied.livejournal.com/71012.html

Interesting. I'm wondering if it is also possible to manually switch in the bios or elsewhere, until the open source drivers are ready.

billkaos 02-16-10 10:27 AM

Re: Optimus support for Linux
 
Thanks for your answer, although I'm sad to hear that.

I've owned several Vaio laptops which have a dual Nvidia/Intel solution and having to reboot was really painful :(

andrej7 03-03-10 04:31 AM

Re: Optimus support for Linux
 
I am not sure whether "not supported" means "these chipsets won't work at all" or just "switching won't work". Could you please shed more light on this? Is it possible to use the NVidia adapter (or the Intel adapter) separately, without the switching capabilities? For example, would the 310M chipset in an Asus U30JC-QX022X work under Linux?

Anyway, full support for Optimus on Linux would be simply great. :-)


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