https://bugs.freedesktop.org/show_bug.cgi?id=72602
Priority: medium
Bug ID: 72602
Assignee: dri-devel at 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 at 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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