[PATCH v12 2/2] drm/amdgpu: Enable async flip on overlay planes

[Xaver Hugl]

> It's not the intention of this patch to disable async updates on cursor
> planes... but I don't think it's happening here? Async plane updates and
> async page flips are different things.
Right, these are different code paths. Nevermind then, it's just a bit
confusing.

> Any function that used to call amdgpu_dm_plane_atomic_async_check() for
> an async update on a cursor plane will continue to being able to do that.
>
> For callers of _atomic_async_check() from a page flip path (like
> drm_atomic_set_property()), those couldn't flip a cursor plane, and will
> continue to be like that for now.
>
> At least this is my analysis, please let me know if I got something wrong.