[Bug 35988] New: Power management not working on ATI M92 LP [Mobility Radeon HD 4300]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=35988

           Summary: Power management not working on ATI M92 LP [Mobility
                    Radeon HD 4300]
           Product: DRI
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: s.j.turner at uqconnect.net


A launchpad user reports "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, without 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]

MachineType: Hewlett-Packard HP ProBook 4710s

This was originally reported on Ubuntu 9.10 "Karmic Koala" with a 2.6.31-based
kernel (which of course does not have power management support), but persists
on an Ubuntu 11.04 "Natty Narwhal" pre-release with a 2.6.38-based kernel.

The problem is that this user reports "I've tried setting the power
(management) profile settings and dynpm, but nothing has changed, still running
above 70 degrees Celsius."

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