[Bug 91375] [radeonsi] [drm:si_dpm_set_power_state [radeon]] *ERROR* si_restrict_performance_levels_before_switch failed

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=91375

--- Comment #9 from Raman Gupta <rocketraman@gmail.com> ---
Still getting this error periodically on Fedora 23 kernel
4.3.3-300.fc23.x86_64, mesa 11.1.0.

The user-visible issue it seems to cause now is that one of my three monitors
never wakes up from sleep (the monitor shows "no signal"). I have to switch to
a VT, unplug the monitor and replug it (DisplayPort), which usually brings back
the monitor display. Then I can switch back to X.

Note that the sleep issue is not immediately after the
si_restrict_performance_levels_before_switch error message in dmesg, so it may
or may not be related.

When the monitor is sleeping with no signal, xrandr -q shows that the monitor
is connected normally (the monitor in question is DisplayPort-1):

~ xrandr -q
Screen 0: minimum 320 x 200, current 5920 x 1440, maximum 16384 x 16384
DisplayPort-0 connected primary 2560x1440+1680+0 (normal left inverted right x
axis y axis) 597mm x 336mm
   2560x1440     59.95*+
   1920x1200     59.88  
   1920x1080     60.00    60.00    50.00    59.94    24.00    23.98  
   1920x1080i    60.00    50.00    59.94  
   1600x1200     60.00  
   1680x1050     59.95  
   1280x1024     75.02    60.02  
   1280x800      59.81  
   1152x864      75.00  
   1280x720      60.00    50.00    59.94  
   1024x768      75.08    60.00  
   800x600       75.00    60.32  
   720x576       50.00  
   720x576i      50.00  
   720x480       60.00    59.94  
   720x480i      60.00    59.94  
   640x480       75.00    60.00    59.94  
   720x400       70.08  
DisplayPort-1 connected 1680x1050+0+195 (normal left inverted right x axis y
axis) 433mm x 270mm
   1680x1050     59.95*+
   1280x1024     60.02  
   1440x900      59.90  
   1280x960      60.00  
   1280x720      60.00  
   1024x768      60.00  
   800x600       60.32    56.25  
   640x480       60.00  
HDMI-0 disconnected (normal left inverted right x axis y axis)
DVI-0 connected 1680x1050+4240+195 (normal left inverted right x axis y axis)
433mm x 270mm
   1680x1050     59.95*+
   1280x1024     60.02  
   1440x900      59.90  
   1280x960      60.00  
   1280x720      60.00  
   1024x768      60.00  
   800x600       60.32    56.25                                                 
   640x480       60.00                                                          
DisplayPort-1-2 disconnected (normal left inverted right x axis y axis)         
DisplayPort-1-3 disconnected (normal left inverted right x axis y axis)         
HDMI-1-1 disconnected (normal left inverted right x axis y axis)                
DVI-1-1 disconnected (normal left inverted right x axis y axis)

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