[Bug 111088] [SKL] Screen freezes with PSR enabled

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111088

--- Comment #18 from Jose Roberto de Souza <jose.souza at intel.com> ---
(In reply to Bruno Pagani from comment #14)
> I’m also affected by lock-up since upgrading to 5.2. Disabling PSR seems to
> fix the issue. Of course I would prefer PSR to work. :)
> 
> (In reply to Dhinakaran Pandiyan from comment #12)
> > Would it be possible to provide the contents of the same debugfs files on a
> > working kernel(5.1) ?
> > 
> > Changes to "Source PSR ctl" and DMC version will be particularly interesting.
> 
> PSR was disabled on 5.1 (it was enabled by
> https://patchwork.freedesktop.org/patch/290920/), so not sure if that would
> really be interesting. But I can downgrade and report if you still think
> this can be useful.

No, PSR1 was enabled by default since 5.0, PSR2 was enabled by default on 5.2.

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