[Bug 108085] Intel GeminiLake corruption at top of screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108085

--- Comment #3 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Daniel Drake from comment #0)
> On Intel GeminiLake platforms, a horizontal line of display corruption
> frequently appears at the top of the screen.
> 
> When the corruption persists on screen, if I take a screenshot with
> "DISPLAY=:0 import -window root out.png", the captured output is fine (it
> does not show the corruption)

Suggests that it may be a display engine issue (or a really weird resolve, but
I'd bet on a conflict in stolen memory). A drm.debug=0xe may be helpful.

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