[Intel-gfx] [PATCH 4/5] drm/atomic-helper: Reject legacy flips on a disabled pipe

Daniel Vetter daniel at ffwll.ch
Tue Jan 5 01:02:08 PST 2016

On Tue, Dec 08, 2015 at 12:01:57PM +0000, Daniel Stone wrote:
> Hi,
> On 8 December 2015 at 08:49, Daniel Vetter <daniel.vetter at ffwll.ch> wrote:
> > We want this for consistency with existing page_flip semantics.
> >
> > Since this spurred quite a discussion on IRC also document why we
> > reject even generation when the pipe is off: It's not that it's hard
> > to implement, but userspace has a track recording proofing that it's
> > way too easy to accidentally abuse and cause havoc. We want to make
> > sure userspace doesn't get away with that.
> >
> > v2: Somehow thought we do reject events already, but that code only
> > existed in my imagination ... Also suggestions from Thierry.
> What a beautifully-coloured shed.
> Reviewed-by: Daniel Stone <daniels at collabora.com>

Added Ilia's spelling fixes and merged to drm-misc, thanks for the review.
Daniel Vetter
Software Engineer, Intel Corporation

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