[PATCH RESEND 6/6] drm/vc4: update cursors asynchronously through atomic

[Eric Anholt]

Gustavo Padovan <gustavo at padovan.org> writes:

> From: Gustavo Padovan <gustavo.padovan at collabora.com>
>
> Add support to async updates of cursors by using the new atomic

"Add support for"

> interface for that. Basically what this commit does is do what
> vc4_update_plane() did but through atomic.
>
> v3: move size checks back to drivers (Ville Syrjälä)
>
> v2: move fb setting to core and use new state (Eric Anholt)

Given that vc4 isn't using drm_atomic_helper_commit(), isn't this
effectively disabling async cursor updates on vc4?
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