A in-place resolve via the BLT engine is only supposed to fill the
tiles of a single layer of a resource, so the size to calculate the
number of tiles is the layer stride, same as done for the in-place
resolve via the RS engine in
8df11f3fad ("etnaviv: fix in-place resolve tile count.")
CC: mesa-stable
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Christian Gmeiner <cgmeiner@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39005>