[Bug 102224] [KBL/SKL] Screen does not wake after screen blank

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102224

--- Comment #7 from Tomislav Ivek <tomislav.ivek at gmail.com> ---
(In reply to Gordon Messmer from comment #6)
> After finding the enable_guc_loading option stable, I disabled that option
> and added the debugging options requested by Elizabeth.  I think that was on
> the 1st or 2nd of this month.  Since then, I'm still unable to reproduce the
> original problem under Fedora kernels 4.12 or 4.11.
> 
> If the problem recurs, I'll provide additional information.  In the mean
> time, I wonder if loading the GuC firmware introduced a persistent change. 
> If the problem were solved by a firmware update, that would explain why I
> can no longer reproduce the problem.

Likewise, I am not able to reproduce the issue on mainline 4.13.0-rc4 and
Fedora's 4.12.9-300, after five days of normal use on each and with
enable_guc_loading=0. On a sidenote, is it likely that GuC firmware loading
introduces persistent changes?

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