93f69e0452
If we don't recognize the model, dev->model will be NULL. In that case, we can't
dereference dev->model to get the tilebuffer size. If we do, we'll segfault,
instead of gracefully refusing to probe and loading the swrast instead.
Fixes: 96d65b47c7 ("panfrost: Use implementation-specific tile size")
Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18115>