[PATCH 04/27] drm/fsl-du: Implement some semblance of vblank event handling

[Maarten Lankhorst]

Op 08-06-16 om 14:18 schreef Daniel Vetter:
> No idea how exactly fsl-du commits hw state changes, but here in flush
> is probably the safest place.
>
> While at it nuke the dummy functions.
>
> v2: Be more robust and either arm, when the CRTC is on, or just send
> the event out right away.
>
> Cc: Stefan Agner <stefan at agner.ch>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>