drm/vmwgfx: Use TTM handles instead of SIDs as user-space surface handles.

Improve the command verifier to catch all occurences of surface handles,
and translate to SIDs.

This way DMA buffers and 3D surfaces share a common handle space,
which makes it possible for the kms code to differentiate.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index e9403be..b1af76e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -106,8 +106,8 @@
 	int ret;
 
 	if (handle) {
-		ret = vmw_user_surface_lookup(dev_priv, tfile,
-					      handle, &surface);
+		ret = vmw_user_surface_lookup_handle(dev_priv, tfile,
+						     handle, &surface);
 		if (!ret) {
 			if (!surface->snooper.image) {
 				DRM_ERROR("surface not suitable for cursor\n");
@@ -704,8 +704,8 @@
 	struct vmw_dma_buffer *bo = NULL;
 	int ret;
 
-	ret = vmw_user_surface_lookup(dev_priv, tfile,
-				      mode_cmd->handle, &surface);
+	ret = vmw_user_surface_lookup_handle(dev_priv, tfile,
+					     mode_cmd->handle, &surface);
 	if (ret)
 		goto try_dmabuf;