[Bug 91845] [HSW]i915 does 2s long DP-link-reset (backlight off) during modeset instead of re-using SimpleFB, stacktrace with i915.fastboot=1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91845

Ville Syrjala <ville.syrjala at linux.intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #21 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
(In reply to o.freyermuth from comment #20)
> You are correct!
> I tried i915.fastboot=1 on a 4.18 kernel, and apart from a short corruption
> for less than a second (only a small region on the top left was filled with
> kernel messages, albeit resolution was fine), the panel power cycling was
> completely gone! No "black pause" anymore! 
> Even the corruption does not always show up. 
> 
> So I think this can be closed as solved, unless you want to investigate
> fastboot with verbose logging.

OK. Let's mark this as fixed.

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