Re: [RFC PATCH 3/3] drm: rcar-du: Register a completion callback with VSP1

2017-03-03 Thread Kieran Bingham
Hi Laurent, On 03/03/17 02:17, Laurent Pinchart wrote: > Hi Kieran, > > Thank you for the patch. > > On Wednesday 01 Mar 2017 13:12:56 Kieran Bingham wrote: >> Updating the state in a running VSP1 requires two interrupts from the >> VSP. Initially, the updated state will be committed - but only

Re: [RFC PATCH 3/3] drm: rcar-du: Register a completion callback with VSP1

2017-03-02 Thread Laurent Pinchart
Hi Kieran, Thank you for the patch. On Wednesday 01 Mar 2017 13:12:56 Kieran Bingham wrote: > Updating the state in a running VSP1 requires two interrupts from the > VSP. Initially, the updated state will be committed - but only after the > VSP1 has completed processing it's current frame will th

[RFC PATCH 3/3] drm: rcar-du: Register a completion callback with VSP1

2017-03-01 Thread Kieran Bingham
Updating the state in a running VSP1 requires two interrupts from the VSP. Initially, the updated state will be committed - but only after the VSP1 has completed processing it's current frame will the new state be taken into account. As such, the committed state will only be 'completed' after an ex