Eric noted a potential concern with the low bits not being strictly used
as part of the absolute offset (instead part of the command stream to the
GPU), but in practice that should not be an issue.
Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk>
Tested-by: NAndy Whitcroft <apw@canonical.com>
Cc: Eric Anholt <eric@anholt.net>
CC: stable@kernel.org
Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>