[Bug 100572] [SKL dmc] Headless mode media transcoding is 20-30% slower comparing to connected monitor use case

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100572

--- Comment #12 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Imre Deak from comment #11)
>  Ville said that X does the scan line readout when rendering to the
> front buffer, but that shouldn't be the case here.

Only if root and gen <= 8 && !(vlv || chv), fwiw.

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