[Bug 86105] [C220] Display goes blank with PCH PWM1 enabled warning in intel_display.c:7376/6900

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86105

--- Comment #10 from Daniel Vetter <daniel at ffwll.ch> ---
Strange, the backtrace is in runtime pm code but with that config you shouldn't
be able to do runtime pm. In any case with the new settings we should runtime
pm much more aggressively.

Aside if this is really runtime pm then switching screens off with

$ xset force dpms off

while no one is using audio devices (at least no hdmi/dp audio) should go into
runtime pm almost immediately. Mouse-wiggling will wake the screens as usual.

But we have tests for that so the actual bug is probably somewhere else.

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