panfrost: Fix bifrost tiler job emission

The tiler descriptor pointer and padding sections were not filled.

Fixes: d289209ea68f ("panfrost: XML-ify the compute job descriptor")
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Tested-by: Christian Hewitt <christianshewitt@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6859>
1 file changed