[PATCH 0/6] drm: Add mouse cursor hotspot support to atomic KMS

[Gerd Hoffmann]

  Hi,

> I don’t think I see how that fixes anything. In particular I don’t see
> a way of fixing the old user space at all. We require hotspot info,
> old user space doesn’t set it because there’s no way of setting it on
> atomic kms. Whether we expose cursor plane or not doesn’t change the
> fact that we still require the hotspot info.

Not exposing a cursor plane at all forces swcursor, which sidesteps the
hotspot issue at the expense of a rather sluggish pointer updates
because those suddenly require a round-trip to the guest.

take care,
  Gerd