[Bug 105962] [KBL] "enable_rc6" parameter deprecation brings back freezing

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105962

--- Comment #47 from Timo Teräs <timo.teras at iki.fi> ---
I started getting same kind of freezes on my Dell Latitude 7390 (Intel
Corporation UHD Graphics 620, rev 07) after upgrading kernel 4.14.89 to
4.19.13. So this may or may not be the same issue.

I can reliably reproduce by setting display to power off and waiting for about
a minute. Powering display on immediately after power off seems to work. After
freeze nothing works.

I am available to try to get logs or debug the issue. Any new ideas what to
look at?

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