Commits
Dave Airlie committed aabfe27dfe7
drm/ast: invalidate page tables when pinning a BO commit 3ac65259328324de323dc006b52ff7c1a5b18d19 upstream. same fix as cirrus and mgag200. Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>