[Bug 72602] New: [REGRESSION] r600 cayman: forced performance level gets reset to auto when playing a video with vdpau

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Priority medium
Bug ID 72602
Assignee dri-devel@lists.freedesktop.org
Summary [REGRESSION] r600 cayman: forced performance level gets reset to auto when playing a video with vdpau
Severity normal
Classification Unclassified
OS Linux (All)
Reporter h.judt@gmx.at
Hardware x86-64 (AMD64)
Status NEW
Version XOrg CVS
Component DRM/Radeon
Product DRI

Steps to reproduce:
1) echo low > /sys/class/drm/card0/device/power_dpm_force_performance_level
2) cat /sys/class/drm/card0/device/power_dpm_force_performance_level
   low
3) start playing a video (vdpau)
4) cat /sys/class/drm/card0/device/power_dpm_force_performance_level
   auto

Interestingly, I can repeat step 1 now and the video will play correctly, with
the value staying at "low". So it seems this occurs only when initializing
video playback (vdpau).

This started happening with kernel 3.12.0 or a rc. It did not get reset with
<=3.11.8.


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