No Name, latest iasl works better 2010/9/22 No Name <312...@bugs.launchpad.net>
> HP Pavilion dv7 Notebook PC > > sudo dmidecode -s system-product-name > HP Pavilion dv7 Notebook PC > > sudo dmidecode -s system-version > 049E100000243020000020000 > > 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) > 01:00.0 VGA compatible controller [0300]: ATI Technologies Inc Redwood > [Radeon HD 5600 Series] [1002:68c1] > > iasl -d DSDT.dat > > Intel ACPI Component Architecture > AML Disassembler version 20090521 [Jun 30 2009] > Copyright (C) 2000 - 2009 Intel Corporation > Supports ACPI Specification Revision 3.0a > > Loading Acpi table from file DSDT.dat > Acpi table [DSDT] successfully installed and loaded > Pass 1 parse of [DSDT] > Pass 2 parse of [DSDT] > Parsing Deferred Opcodes (Methods/Buffers/Packages/Regions) > > ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... > Parsing completed > > Found 8 external control methods, reparsing with new information > Segmentation fault > > > ** Attachment added: "HP Pavilion dv7 Notebook PC" > > https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/312756/+attachment/1620120/+files/DSDT.dat > > -- > support graphics card hot switch > https://bugs.launchpad.net/bugs/312756 > You received this bug notification because you are a direct subscriber > of the bug. > > Status in X.Org X server: New > Status in “xorg” package in Ubuntu: Invalid > Status in “xorg-server” package in Ubuntu: Triaged > > Bug description: > http://forum.notebookreview.com/showthread.php?t=258304 > > Hybrids with the Ability to turn off the 3d chip: > > AMD/ATI calls it PowerXpress and Nvidia HybridPower. It uses 2 graphics > cards, one energy efficient with little 3d power and the other for gaming > (fast and uses more/a lot of power), the user can choose which chip to use. > This is not a new concept. Sony has build in 2 graphics chips into some of > their laptops for years. In the past a reboot was required to switch between > the chips. With the new generation it is possible to change between chips on > the fly, the screen will flicker but no need to reboot. At least in Windows > Vista (XP, Linux not supported) the user can switch freely between the chips > or set up a profile to do so automatically (eg when on battery use low power > chip and when plugged in use the more powerful chip). > > The graphic card hybrid not only works with two Nvidia or AMD cards but the > low power Intel graphics solutions (mostly shard memory) can also be > combined with 3d chips from AMD or Nvidia. This solution is ideal for users > who want maximum battery life and be able to play current games. The most > likely combination is Intel shard memory graphics card for battery life and > some low to mid level 3d chip. This will not give great 3d performance but > enable you to play some games. > > Limitations are the drivers. Special drivers are needed depending on which > graphic chips are combined in the hybrid. This will most likely make you > depended on the Notebook manufactures driver support. It is uncertain if 3rd > party drivers (such as laptopvideo2go) will be usable. > > The following notebooks have Nvidia hybrid graphics (as seen on the link > below): > http://www.nvidia.com/object/io_1221136906708.html > - Sony VAIO Z (Nvidia GeForce 9300M GS & Intel GMA 4500MHD) > - Fujitsu Siemens Amilo XI 3650 (Nvidia GeForce 9600M GT & Intel GMA > 4500MHD) > - BenQ Joybook S42 (Nvidia GeForce 9600M GT & Intel GMA 4500MHD) > > On the NVidia side, we reported this issue in the nvnews forum: > http://www.nvnews.net/vbulletin/showthread.php?p=1916754 > > On the AMD/ATI side, we got words from Alex Deucher that he will liaise > with AMD for docs in time: > > We can definitely look into it, the problem is we already have a > > backlog of stuff with higher priority (finishing 3D, newer power > > management bits, investigating IDCT/UVD, etc.) to work through at the > > moment, so I cannot say when we'd get to hybrid graphics. The other > > problem is that since many of these hybrid solutions are multi-vendor, > > we may not have the rights release certain IP. Even if would could > > release some information, as has been stated previously, the driver > > stack needs significant work to support something like this. > > On the Sony Vaio Z series, right now both cards are visible under Linux, > but there is no way to hot-switching-off (if that is a word...) the Nvidia > card. There are currently ~45 users of Sony Vaio Z series using Linux that > would like this feature to be implemented. See: > > https://launchpad.net/~sony-vaio-z-series > > Also, see: > > http://forum.notebookreview.com/showthread.php?t=325616&page=1 > http://forum.notebookreview.com/showthread.php?t=325616&page=2 > http://forum.notebookreview.com/showthread.php?t=325616&page=3 > http://forum.notebookreview.com/showthread.php?t=325616&page=4 > http://forum.notebookreview.com/showthread.php?t=325616&page=5 > > To unsubscribe from this bug, go to: > https://bugs.launchpad.net/xorg-server/+bug/312756/+subscribe > ** Attachment added: "pavilion-dv7-DSDT.dsl" https://bugs.launchpad.net/bugs/312756/+attachment/1621262/+files/pavilion-dv7-DSDT.dsl -- support graphics card hot switch https://bugs.launchpad.net/bugs/312756 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
