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[Bug 312756] Re: MASTER: support graphics card hot switch

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: Carlos Silva <312756@xxxxxxxxxxxxxxxxxx>
Date: Tue, 28 Dec 2010 19:32:09 -0000
Reply-to: Bug 312756 <312756@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

dmidecode -s system-product-name; dmidecode -s system-version
HP Pavilion dv3 Notebook PC     
05A0110000203010000020100

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]: ATI Technologies Inc Manhattan [Mobility Radeon HD 5000 Series] [1002:68e0] (prog-if 00 [VGA controller])

at /sys/kernel/debug/vgaswitcheroo/switch 
0:+:Pwr:0000:01:00.0
1: :Off:0000:00:02.0

dmesg | grep switcheroo
VGA switcheroo: detected switching method \_SB_.PCI0.GFX0.ATPX handle
vga_switcheroo: enabled

DSDT.dsl attached.

Hope this helps.


** Attachment added: "DSDT.dsl"
   https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/312756/+attachment/1778326/+files/DSDT.dsl

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https://bugs.launchpad.net/bugs/312756

Title:
  MASTER: support graphics card hot switch