It won't help Thomas87 (knot-tomas) or himynameiskevin (kevinpook), but proper power management for AMD/ATI Radeon R600 and newer hardware is finally available in the 3.11 linux kernel. Ubuntu 13.10 "Saucy Salamander" is based on the 3.11 kernel and also includes the necessary updated radeon firmware. On Saucy, to use this power management for the AMD/ATI Radeon you will need to select it at boot by adding radeon.dpm=1 to your GRUB kernel boot options as described at https://help.ubuntu.com/community/Grub2/Troubleshooting#Editing_the_GRUB_2_Menu_During_Boot
See the blog post at http://www.botchco.com/agd5f/?p=57 for further information. Unlike the older dynpm method, the new DPM method works with multiple monitors and there shouldn't be any flickering as the performance level changes are handled by dedicated hardware rather than the driver. The currently under-development Ubuntu 14.04 "Trusty Tahr" is based on the 3.13 kernel which enables DPM by default (without needing the radeon.dpm=1 boot parameter I mentioned above) for Radeon HD 4000 through Radeon HD 7000 series graphics processors but with some specific ASICs being excluded. You can download a pre-release version at http://cdimage.ubuntu.com/daily-live/current/ and the final release is scheduled for April 17th, 2014 as per https://wiki.ubuntu.com/TrustyTahr/ReleaseSchedule ** Changed in: linux (Ubuntu) Status: Incomplete => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/488152 Title: 1002:9552 [HP ProBook 4710s] With ATI restricted driver deactivated, GPU is overheating Status in X.org XServer - ATI gfx chipset driver: Confirmed Status in “linux” package in Ubuntu: Fix Released Bug description: Binary package hint: xserver-xorg-video-radeon If I deactivate the ATI restricted driver, and then restart my computer, GPU temp is between 70-80 degrees celsius instead of the usual 40-50, withot doing anything, no application running, no effects. lspci -nn | grep VGA 01:00.0 VGA compatible controller [0300]: ATI Technologies Inc M92 LP [Mobility Radeon HD 4300 Series] [1002:9552] Running Ubuntu Karmic Koala ProblemType: Bug Architecture: i386 Date: Wed Nov 25 12:29:56 2009 DistroRelease: Ubuntu 9.10 MachineType: Hewlett-Packard HP ProBook 4710s NonfreeKernelModules: wl fglrx Package: xserver-xorg-video-radeon 1:6.12.99+git20090929.7968e1fb-0ubuntu1 ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-15-generic root=UUID=46d71c1a-9e58-4fa5-ab38-6043122bf91d ro quiet splash ProcEnviron: PATH=(custom, user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.31-15.50-generic RelatedPackageVersions: xserver-xorg 1:7.4+3ubuntu7 libgl1-mesa-glx 7.6.0-1ubuntu4 libdrm2 2.4.14-1ubuntu1 xserver-xorg-video-intel 2:2.9.0-1ubuntu2 xserver-xorg-video-ati 1:6.12.99+git20090929.7968e1fb-0ubuntu1 SourcePackage: xserver-xorg-video-ati Uname: Linux 2.6.31-15-generic i686 dmi.bios.date: 09/10/2009 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68PZI Ver. F.0D dmi.board.name: 3074 dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 24.0D dmi.chassis.asset.tag: CNU9410C2M dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68PZIVer.F.0D:bd09/10/2009:svnHewlett-Packard:pnHPProBook4710s:pvrF.0D:rvnHewlett-Packard:rn3074:rvrKBCVersion24.0D:cvnHewlett-Packard:ct10:cvr: dmi.product.name: HP ProBook 4710s dmi.product.version: F.0D dmi.sys.vendor: Hewlett-Packard system: distro: Ubuntu architecture: i686kernel: 2.6.31-15-generic To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-driver-ati/+bug/488152/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
