[RFC] Repurpose reserved field in vblank event to crtc_id

[Daniel Vetter]

On Mon, Aug 17, 2015 at 04:21:22PM +0300, Ander Conselvan de Oliveira wrote:
> Hi,
> 
> Right now, if an atomic commit sends multiple vblank events it is not
> possible to distiguish for each crtc each event is for in userspace.
> This series changes that be repurposing the reserved field in struct
> drm_event_vblank.
> 
> Would this be a sane thing to do?

Mostly just needs userspace since atm Weston has a per-crtc draw-loop and
doesn't seem to care about events for big modesets.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch