[Intel-gfx] [RFC PATCH 5/5] drm/atomic: Make async plane update checks work as intended.

[Gustavo Padovan]

2017-08-30 Daniel Vetter <daniel at ffwll.ch>:

> On Wed, Aug 30, 2017 at 02:17:52PM +0200, Maarten Lankhorst wrote:
> > By always keeping track of the last commit in plane_state, we know
> > whether there is an active update on the plane or not. With that
> > information we can reject the fast update, and force the slowpath
> > to be used as was originally intended.
> > 
> > Cc: Gustavo Padovan <gustavo.padovan at collabora.com>
> > Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> 
> Makes sense, but I think like patch 1 it would be better to do this in a
> separate series. Which would then include a patch to move i915 over to the
> async plane support.

This patch makes sense to me and it is better than the fix I wrote but never
got around to send it out. I can pick in here locally, put the patches I
have here for the drivers on top of it and send to intel-gfx for CI.

Anyway, without the i915 change, this is

Reviewed-by: Gustavo Padovan <gustavo.padovan at collabora.com>

Gustavo