drm/vmwgfx: Reinstate the legacy display system dirty callback
authorThomas Hellstrom <thellstrom@vmware.com>
Mon, 29 Jun 2015 19:57:37 +0000 (12:57 -0700)
committerThomas Hellstrom <thellstrom@vmware.com>
Wed, 5 Aug 2015 12:01:10 +0000 (14:01 +0200)
It somehow got lost in a rewrite.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c

Simple merge