[Bug 109806] [REGRESSION] X fails to start properly in 4.20.13

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109806

--- Comment #6 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Jason Tibbitts from comment #0)
> I wonder if it's possible that this new-in-4.20.13 patch is related?
>     drm/i915/fbdev: Actually configure untiled displays
> I guess that would be the first thing I'd try to revert.

Well that is the only thing that changed. But the dmesg and Xorg.log look
healthy and don't ostensibly look any different (same configurations). So it's
likely due to the modeset being mishandled due to now inheriting state and not
being forced to disable during boot.

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