Implement support for a couple of missing commands and fix a command parser
error path. Also fix uninitialized devcaps and surface size computation.
Signed-off-by: NCharmaine Lee <charmainel@vmware.com>
Signed-off-by: NSinclair Yeh <syeh@vmware.com>
Signed-off-by: NThomas Hellstrom <thellstrom@vmware.com>