hybrid-graphics-linux team mailing list archive

[Martin Juhl <mj@xxxxxxxxxxxx>]

I haven't really used git before.. 

So if someone could give me a short info on how to download the code, then I would be greatful... 

I have tried: 

git clone http://git.kernel.org/?p=linux/kernel/git/airlied/drm-testing.git 
Initialized empty Git repository in /home/martin/Download/optimus/drm-testing/.git/ 
fatal: http://git.kernel.org/?p=linux/kernel/git/airlied/drm-testing.git/info/refs not found: did you run git update-server-info on the server? 

/Martin 


Fra: "Albert Vilella" <avilella@xxxxxxxxx> 
Til: "Dan Borkowski" <dan@xxxxxxxxxxxxx> 
Cc: "hybrid-graphics-linux" <hybrid-graphics-linux@xxxxxxxxxxxxxxxxxxx> 
Sendt: tirsdag, 21. december 2010 18:00:30 
Emne: Re: [Hybrid-graphics-linux] Asus 1215N success 

Right. In that case the closest you can try if you are willing is 
David Airlie's experimental code here: 

git repo: 
http://git.kernel.org/?p=linux/kernel/git/airlied/drm-testing.git 
branch: drm-nvidia-switch 

This is not easy to just run, although we've had people giving it a 
try and commenting on the blog post: 
http://airlied.livejournal.com/74176.html 

As it is mentioned in the blog post, there is a debugging mode 
"drm.debug=0x4" which provides useful 
information to track down how the MUXes work in each specific laptop model. 

Other than that, it's a matter of waiting for more info to crop up, 
there are a handful of users running 
Linux on 1215n laptops, 

Cheers. 

On Tue, Dec 21, 2010 at 4:18 PM, Dan Borkowski <dan@xxxxxxxxxxxxx> wrote: 
> Hi Albert, 
> 
> This laptop does not have any options like that in the BIOS. So ATM, I 
> strictly using the Intel card. 
> 
> 
> Thanx! 
> 
> 
> Dan Borkowski 
> dan@xxxxxxxxxxxxx 
> 
> 
> 
> On 12/21/10 02:30, Albert Vilella wrote: 
>> Hi Dan, 
>> 
>> Just to double-check, can you look at the BIOS options for a 
>> "compatibility" mode? 
>> 
>> There usually are pre-windows7 BIOS modes that would make you nvidia 
>> card show up 
>> in Linux (and earlier versions of Windows) so that the nvidia binary 
>> blob can be used. 
>> 
>> Cheers 
>> 
>> On Mon, Dec 20, 2010 at 11:06 PM, Dan Borkowski <dan@xxxxxxxxxxxxx 
>> <mailto:dan@xxxxxxxxxxxxx>> wrote: 
>> 
>> Nuno 
>> 
>> I will readily admit that I semi-blindly bought my Samsung QX410 
>> assuming that the NVIDIA drivers would work under Linux. When I first 
>> encountered difficulty starting X, I went to NVIDIA's site 
>> (http://www.nvidia.com/object/linux-display-amd64-260.19.29-driver.html) 
>> to verify compatibility with my card. Sure enough my 310M "is 
>> supported". Realistically, we all know it doesn't work, as I 
>> discovered in subsequent Google searches. Anyway, my point is, that 
>> it could be very easy for someone to belive that the binary blobs will 
>> work, since the manufacturer's site "confirms" this "fact". 
>> 
>> dborkowski@obiwan ~ $ sudo lspci | egrep 'VGA|3D' 
>> 00:02.0 VGA compatible controller: Intel Corporation Core Processor 
>> Integrated Graphics Controller (rev 02) 
>> 01:00.0 3D controller: nVidia Corporation GT218 [GeForce 310M] (rev ff) 
>> dborkowski@obiwan ~ $ 
>> 
>> 
>> 
>> 
>> 
>> 
>> On Mon, Dec 20, 2010 at 6:39 AM, Albert Vilella <avilella@xxxxxxxxx 
>> <mailto:avilella@xxxxxxxxx>> wrote: 
>> > I've edited the text in the 
>> > https://launchpad.net/~hybrid-graphics-linux 
>> <https://launchpad.net/%7Ehybrid-graphics-linux> page to better reflect 
>> > the current status: 
>> > --------------- 
>> > STATUS: 
>> > There is support for most ATI/Intel hybrid configurations via the 
>> > vga_switcheroo code and open-source graphics drivers (2.6.35 onwards). 
>> > 
>> > There is ongoing work to support Nvidia Optimus/Intel hybrid 
>> > configurations for nouveau drivers: 
>> > http://airlied.livejournal.com/74176.html 
>> > 
>> > Switching for Nvidia/Intel configurations via a reboot can be achieved 
>> > for specific laptop models / BIOS versions. The acpi_call module helps 
>> > in switching off the discrete graphics card while Linux loads through 
>> > the Intel chipset. Only specific laptop models are able to switch to 
>> > pre-Windows7 "compatible" BIOS mode so that the OS can see the nvidia 
>> > graphics card. This is the only way to load the nvidia binary drivers 
>> > so far. 
>> > ------ 
>> > 
>> > Maybe we could go through the mailing list and take note of the 
>> > laptops that can have the nvidia binary drivers working. I know the 
>> > latest Asus U30, U33, U43, U53 models can do that, using the 
>> > "compatible" BIOS option, and the Sony Vaio z-series models have a 
>> > similar system, but there are more models out there that have this 
>> > pre-Windows7 mode. 
>> > 
>> > Comments? 
>> > 
>> > On Mon, Dec 20, 2010 at 12:31 PM, Nuno Lourenco 
>> <nlourenz@xxxxxxxxx <mailto:nlourenz@xxxxxxxxx>> wrote: 
>> >> 
>> >> And it is, on Nvidia foruns: 
>> >> http://www.nvnews.net/vbulletin/showthread.php?p=2183477#post2183477 
>> >> "We have no plans to support Optimus on Linux at this time." 
>> >> Besides, a quick google about it will show a lot of people 
>> talking about the lack of optimus suport on linux, even on linux 
>> distributions specific foruns and Wikis. 
>> >> 
>> >> Optimus is very "new", and developing is being made to try to 
>> suport Optimus on linux, but that require a lot of changes, even on 
>> XOrg. 
>> >> I think the true problem is people buying these laptops (or 
>> whatever) running optimus, and assuming that it will work on linux 
>> because the great drivers for other GPUs. A quick check on nvidia 
>> drivers would show that it is not true. But most people prefer to 
>> ask on a forum or a mailing list and save the "work" to use a search 
>> engine to find the answer. 
>> >> But yes, maybe someone with access may put that message somewhere 
>> relative to this mailing list :) that would save a lot of emails 
>> about it I guess. 
>> >> 
>> >> 
>> >> On Mon, Dec 20, 2010 at 12:17 PM, Michal Kottman 
>> <k0mpjut0r@xxxxxxxxx <mailto:k0mpjut0r@xxxxxxxxx>> wrote: 
>> >>> 
>> >>> On Mon, 2010-12-20 at 10:14 +0000, Nuno Lourenco wrote: 
>> >>> > Hi David, 
>> >>> > 
>> >>> > It is simple as this. You don't.... Until now, as far I know, 
>> there is 
>> >>> > no way to use the Nvidia GPU on 1215n (or any other similar 
>> Optimus 
>> >>> > platform) on anything else but Windows 7. 
>> >>> > 
>> >>> > Other thing, as far as I noticed you are reading badly 
>> >>> > the /proc/acpi/battery/BAT0/state, if you see it well, you are 
>> >>> > "charging" the laptop, the increase of mA that you see is 
>> actually the 
>> >>> > "charging rate", if it increased that means that is working Ok :) 
>> >>> > Because it is waisting less energy so it is able to charge 
>> quicker, 
>> >>> > got it? :) 
>> >>> 
>> >>> Perhaps it should be stated somewhere more obviously (maybe in big 
>> >>> letters? :) that Optimus doesn't work. Maybe something like this: 
>> >>> 
>> >>> "Optimus does not work on Linux (yet). Meanwhile, you can save the 
>> >>> battery by using acpi_call to turn your (unused) discrete GPU off." 
>> >>> 
>> >>> 
>> >>> _______________________________________________ 
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>> >> 
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>> > 
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