07e9543270
We need to calculate the # of descriptors like we do on Midgard.
Fixes: ae9316f812 ("pan/decode: Decode Valhall surface descriptor")
Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17842>