tree bb8a635f629d6a71bc2d746c2be17cdedde555a5
parent c48f42e178a1cc484870367c0cfe5fbbf71d86cc
author Ilia Mirkin <imirkin@alum.mit.edu> 1590821262 -0400
committer Marge Bot <eric+marge@anholt.net> 1590861564 +0000

nouveau: allow invalidating coherent/persistent buffer backings

This is needed to support the core's usage of coherent buffers for
glVertex-style input. The reason why this was disallowed is that any
mappings will be invalidated. Let the state tracker worry about that,
and just reallocate when we're told.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Cc: mesa-stable@lists.freedesktop.org
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5276>