[Intel-gfx] [PATCH 14/16] drm/i915: Track frontbuffer invalidation/flushing

[Chris Wilson]

On Wed, Jun 18, 2014 at 01:59:15PM +0200, Daniel Vetter wrote:
> Chris and I also had some discussions about mark_busy and whether it
> is appropriate to call from flush. But mark busy is a state which
> should be derived from the 3 events (invalidate, flush, flip) we now
> have by the users, like psr does by tracking relevant information in
> psr.busy_frontbuffer_bits. DRRS (the only real use of mark_busy for
> frontbuffer) needs to have similar logic. With that the overall
> mark_busy in the core could be removed.

Just as a reminder, Daniel has an addendum to put more of what we
discussed into practice.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre