[RFC] Repurpose reserved field in vblank event to crtc_id

Daniel Vetter daniel at ffwll.ch
Tue Aug 25 01:38:20 PDT 2015

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 Vetter
Software Engineer, Intel Corporation

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