[RFC xorgproto v7 02/14] presentproto: PresentCompleteModeSuboptimalCopy flag

[Keith Packard]

Daniel Stone <daniel at fooishbar.org> writes:

> For the record, whilst this is true, we don't have any way of knowing
> it in the open drivers at least. We know the SuboptimalCopy case
> because we can tell that KMS just doesn't support the client buffer's
> format+modifier. But there's no indication from KMS that a particular
> FB is suboptimally-flippable. I suggested deferring the addition of a
> SuboptimalFlip completion mode until we have a real user for it
> (Xorg-on-HWC?).

Yeah, that sounds like a good idea. We've caused trouble in the past
when designing ahead of implementation.

-- 
-keith
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