48712b8cc5
Use header->header_size to offset cache data as well in case the header
struct extends on a newer driver but the cache data was appended with
an old header.
Fixes: 723f0bf74a ("venus: initial support for module and pipelines")
Signed-off-by: Yiwei Zhang <zzyiwei@chromium.org>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14463>