[PATCH 8/9] drm/vc4: Add support for async pageflips.

[Daniel Stone]

Hi,

On 1 December 2015 at 20:35, Eric Anholt <eric at anholt.net> wrote:
> An async pageflip stores the modeset to be done and executes it once
> the BOs are ready to be displayed.  This gets us about 3x performance
> in full screen rendering with pageflipping.

Looks good, but you're missing a preclose callback to reap dead events, a la:
https://git.collabora.com/cgit/user/daniels/linux.git/commit/?h=wip/4.4.x/rockchip-drm-fixes&id=d14f21bcd7e7a1b9ca129c411a9da9c911037965

(and parent commit to wire that through to core DRM preclose)

Cheers,
Daniel