[Bug 110751] New: AMD Radeon HD 7670M, power_profile: Invalid argument

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110751

            Bug ID: 110751
           Summary: AMD Radeon HD 7670M, power_profile: Invalid argument
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: vaidas.boqsc at gmail.com
        QA Contact: xorg-team at lists.x.org

I tried to change power profile of a GPU to a lower one, so that laptop won't
overheat so quickly.

I found this method on the internet and various documentations:

echo low | sudo tee /sys/class/drm/card0/device/power_profile
tee: /sys/class/drm/card0/device/power_profile: Invalid argument

However this method never worked - Invalid argument show up no matter what
value I try to give the power_profile


Even giving the already existing "default" value to the power_profile leads to
"invalid argument" error.

echo default | sudo tee /sys/class/drm/card0/device/power_profile
tee: /sys/class/drm/card0/device/power_profile: Invalid argument

I would like to know why this is happening.

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