Quoting Dave Airlie (2017-05-12 01:34:55) > @@ -385,6 +434,13 @@ drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data, > if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ)) > return -ENODEV; > > + if (args->flags & DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_IMPORT_SYNC_FILE_FENCE) > + return drm_syncobj_import_sync_file_fence(file_private, > + args->fd, > + args->handle); > + else if (args->flags) > + return -EINVAL; Argh, what I missed before was that importing from a sync_file reuses the handle, but importing from a syncobj fd creates a new handle. Just venting my ocd. It would be nice if the interface was consistent, and I can see arguments for both approaches (just not a good argument as to why they should differ). A compromise would be a flag to create/reuse handle (or if handle=0, create, if handle!=0 resuse). -Chris
