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Old 05-22-2010, 10:53 AM
Daniele Benucci
 
Default Bug#582637: Please enable CONFIG_VGA_SWITCHEROO

Package: linux-2.6
Version: 2.6.34-1
Severity: wishlist

--- Please enter the report below this line. ---

Please enable CONFIG_VGA_SWITCHEROO kernel config option (available from
2.6.34) to enable support for video card switching on notebooks with both
integrated and discrete video card (aka hybrid graphics).



--- System information. ---
Architecture: amd64
Kernel: Linux 2.6.34-1-amd64

Debian Release: squeeze/sid
500 unstable www.debian-multimedia.org
500 unstable sidux.wuertz.org
500 unstable ftp.debian.org
102 experimental www.debian-multimedia.org
102 experimental ftp.debian.org

--- Package information. ---
Package's Depends field is empty.

Package's Recommends field is empty.

Package's Suggests field is empty.



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Old 05-24-2010, 06:18 PM
maximilian attems
 
Default Bug#582637: Please enable CONFIG_VGA_SWITCHEROO

On Sat, May 22, 2010 at 12:53:04PM +0200, Daniele Benucci wrote:
> Package: linux-2.6
> Version: 2.6.34-1
> Severity: wishlist
>
> --- Please enter the report below this line. ---
>
> Please enable CONFIG_VGA_SWITCHEROO kernel config option (available from
> 2.6.34) to enable support for video card switching on notebooks with both
> integrated and discrete video card (aka hybrid graphics).

you have to check that it does not break xorg, did you?
(considering xorg packages from squeeze)


until no one checks that no point in making loud noise.




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Old 05-24-2010, 06:41 PM
Daniele Benucci
 
Default Bug#582637: Please enable CONFIG_VGA_SWITCHEROO

2010/5/24 maximilian attems <max@stro.at>


> Please enable CONFIG_VGA_SWITCHEROO kernel config option (available from

> 2.6.34) to enable support for video card switching on notebooks with both

> integrated and discrete video card (aka hybrid graphics).



you have to check that it does not break xorg, did you?

(considering xorg packages from squeeze)




until no one checks that no point in making loud noise.

I didn't and I will check as soon as possible (this means this weekend as I'm going to be away for work this week)


As far as I have understood how vga switcheroo works I think it doesn't break anything in Xorg (the switch is made via echoing in /sys, but the actual switch is performed when restarting Xorg), but you're right this is a thing worth to be checked.


D.
--
Grabel's Law:
2 is not equal to 3 -- not even for large values of 2.
 
Old 05-24-2010, 06:50 PM
maximilian attems
 
Default Bug#582637: Please enable CONFIG_VGA_SWITCHEROO

On Mon, May 24, 2010 at 08:51:13PM +0200, Joachim Breitner wrote:
> Hi,
>
> >
> > I didn't and I will check as soon as possible (this means this weekend
> > as I'm going to be away for work this week)
> >
> >
> > As far as I have understood how vga switcheroo works I think it
> > doesn't break anything in Xorg (the switch is made via echoing
> > in /sys, but the actual switch is performed when restarting Xorg), but
> > you're right this is a thing worth to be checked.
>
> I just tried it on my Thinkpad T400, and after loading the right modules
> (i915 and radeon) with the right option (modeset=1), it worked as
> advertised. No problem with X. I also second the request to enable this
> option.
>
> (I reverted to unstable???s kernel, though, because my iwlagn wireless
> connection was instable with 2.6.34)

did you check with intel xorg driver from unstable/testing?
please provide version?

as soon this is done, I can turn it on.
thanks



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Old 05-24-2010, 06:51 PM
Joachim Breitner
 
Default Bug#582637: Please enable CONFIG_VGA_SWITCHEROO

Hi,

Am Montag, den 24.05.2010, 20:41 +0200 schrieb Daniele Benucci:
> 2010/5/24 maximilian attems <max@stro.at>
> > Please enable CONFIG_VGA_SWITCHEROO kernel config option (available from
> > 2.6.34) to enable support for video card switching on notebooks with both
> > integrated and discrete video card (aka hybrid graphics).
>
> you have to check that it does not break xorg, did you?
> (considering xorg packages from squeeze)
>
> until no one checks that no point in making loud noise.
>
>
> I didn't and I will check as soon as possible (this means this weekend
> as I'm going to be away for work this week)
>
>
> As far as I have understood how vga switcheroo works I think it
> doesn't break anything in Xorg (the switch is made via echoing
> in /sys, but the actual switch is performed when restarting Xorg), but
> you're right this is a thing worth to be checked.

I just tried it on my Thinkpad T400, and after loading the right modules
(i915 and radeon) with the right option (modeset=1), it worked as
advertised. No problem with X. I also second the request to enable this
option.

(I reverted to unstable’s kernel, though, because my iwlagn wireless
connection was instable with 2.6.34)

Greetings,
Joachim
--
Joachim "nomeata" Breitner
Debian Developer
nomeata@debian.org | ICQ# 74513189 | GPG-Keyid: 4743206C
JID: nomeata@joachim-breitner.de | http://people.debian.org/~nomeata
 
Old 05-24-2010, 07:09 PM
Joachim Breitner
 
Default Bug#582637: Please enable CONFIG_VGA_SWITCHEROO

Hi,

Am Montag, den 24.05.2010, 20:50 +0200 schrieb maximilian attems:
> On Mon, May 24, 2010 at 08:51:13PM +0200, Joachim Breitner wrote:
> > > As far as I have understood how vga switcheroo works I think it
> > > doesn't break anything in Xorg (the switch is made via echoing
> > > in /sys, but the actual switch is performed when restarting Xorg), but
> > > you're right this is a thing worth to be checked.
> >
> > I just tried it on my Thinkpad T400, and after loading the right modules
> > (i915 and radeon) with the right option (modeset=1), it worked as
> > advertised. No problem with X. I also second the request to enable this
> > option.
>
> did you check with intel xorg driver from unstable/testing?
> please provide version?

It’s all from unstable:
$ dpkg -l xserver-xorg-video-*|grep ^ii
ii xserver-xorg-video-ati 1:6.13.0-2 X.Org X server -- AMD/ATI display driver wra
ii xserver-xorg-video-intel 2:2.9.1-4 X.Org X server -- Intel i8xx, i9xx display d
ii xserver-xorg-video-mach64 6.8.2-3 X.Org X server -- ATI Mach64 display driver
ii xserver-xorg-video-r128 6.8.1-3 X.Org X server -- ATI r128 display driver
ii xserver-xorg-video-radeon 1:6.13.0-2 X.Org X server -- AMD/ATI Radeon display dri

Greetings,
Joachim


--
Joachim "nomeata" Breitner
Debian Developer
nomeata@debian.org | ICQ# 74513189 | GPG-Keyid: 4743206C
JID: nomeata@joachim-breitner.de | http://people.debian.org/~nomeata
 
Old 05-29-2010, 06:11 PM
Daniele Benucci
 
Default Bug#582637: Please enable CONFIG_VGA_SWITCHEROO

As promised I checked too, using xorg and radeon drivers currently from sid (the version of the server packages is the same of the packages in testing, while the driver's version is not --used 6.13.0-2--), kms enabled (it's the default for radeon), and can confirm it works without problems here too.



I also tried to switch the cards "on-the-fly" (= with Xorg running) echoing "DIS" and "IGD" instead of the "delayed" equivalents DDIS and DIGD (that perform the switch when shutting down Xorg) to check if using them could lead to breakage: no problems in this case too, as the echoed option is ignored



System is an Asus M51Ta, with ati+ati hybrid graphics.

D.

--
Grabel's Law:
2 is not equal to 3 -- not even for large values of 2.
 

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