[Bug 88012] [bisected BYT] complete freeze after: drm/i915/vlv: WA for Turbo and RC6 to work together

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88012

--- Comment #62 from Maxime Bergeron <mazout360 at gmail.com> ---
(In reply to Andy Furniss from comment #61)
> 8fb55197e64d5988ec57b54e973daeea72c3f2ff
> drm/i915: Agressive downclocking on Baytrail
> 
> reverted and I didn't lock, so it seems I messed up somewhere for that test
> initially.
> 
> So reverting above alone does make me stable on both the nightly I first
> tested with and drm-intel-next-queued (tested as it was over the weekend).

Maybe not. I just tried this (latest drm-intel-next-queued with the commit
reverted) and I locked after ~2 hours uptime (couldn't get logs, everything
hung up including ssh). Definitely more stable without the commit (less stutter
in 1080p video playback), but I had over 50 hours of uptime with 4.0.0-RC6
without any issue. Maybe there's something wrong elsewhere ?

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