drm/ttm: Fix memory type compatibility check
authorThomas Hellstrom <thellstrom@vmware.com>
Mon, 28 Oct 2013 09:02:19 +0000 (02:02 -0700)
committerBen Hutchings <ben@decadent.org.uk>
Fri, 3 Jan 2014 04:33:17 +0000 (04:33 +0000)
commitd81980f44bbc6e82d978e03258ab487a2d4e8057
tree0533181ae988ef12f8fd3d85b13a75867f47893f
parentf42c03d9cd1b0f1ff1c76aa4456ee15984cc721d
drm/ttm: Fix memory type compatibility check

commit 59c8e66378fb78adbcd05f0d09783dde6fef282b upstream.

Also check the busy placements before deciding to move a buffer object.
Failing to do this may result in a completely unneccessary move within a
single memory type.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/gpu/drm/ttm/ttm_bo.c