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[Bug 312756] Re: support graphics card hot switch

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: Marc Riedel <m.riedel@xxxxxxxxx>
Date: Sun, 09 May 2010 19:36:57 -0000
Reply-to: Bug 312756 <312756@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

dmidecode -s system-product-name
VPCZ11Z9E

dmidecode -s system-version
J0045BNL

lspci -vnnn | perl -lne 'print if /^\d+\:.+(\[\S+\:\S+\])/' | grep VGA
00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])
01:00.0 VGA compatible controller [0300]: nVidia Corporation GT216 [GeForce GT 330M] [10de:0a2b] (rev ff) (prog-if ff)

Using kernel 2.6.34rc6~git5 and latest module sony-laptop-zseries (http://gitorious.org/sony-laptop-zseries/sony-laptop-zseries/archive-tarball/master). Changed _SB.PCI0.OVGA._DSM in sony-laptop.c to _SB.PCI0.GFX0._DSM to get switching working. 
When switching to stamina (~10W drop) the nvidia won't diasappear in lspci! Is this normal?
How can I power off the Intel gfx?

** Attachment added: "DSDT.dsl"
   http://launchpadlibrarian.net/48161808/DSDT.dsl

-- 
support graphics card hot switch
https://bugs.launchpad.net/bugs/312756
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