[Bug 49029] New: [DRM,KMS,R300,laptop]Power management not working

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Apr 20 13:54:34 PDT 2012


https://bugs.freedesktop.org/show_bug.cgi?id=49029

             Bug #: 49029
           Summary: [DRM,KMS,R300,laptop]Power management not working
    Classification: Unclassified
           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: malicorne at chez.com


Created attachment 60410
  --> https://bugs.freedesktop.org/attachment.cgi?id=60410
drm output from kernel.log

Hi,
Archlinux running on a compal CL56 (radeon mobility 9700).
kernel is 3.2.11 and I can't find any file for power management :
- /sys/class/drm/card0/device/power_method doesn't exist and can't be created
- /sys/class/drm/card0/device/power_profile doesn't exist and can't be created

Please find attached drm output from kernel.log.
Apart from that it's working fine but the lack of power management reduce the
run from a battery from 4h to 1h30.

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