Otherwise, we might end up with a tiling-capable driver creating a
tiled resource here instead of linear. This is currently possible with
Zink, although we currently force all display-targets to be linear.
But that doesn't seem like a good idea in the long run, so let's loosen
this restriction.
Acked-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/2678>