venus: suballocate memory in more cases

When a dedicated allocation is not required, ignore it and suballocate.

Fixes dEQP-VK.api.invariance.random.

Cc: 21.2 mesa-stable
Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Reviewed-by: Yiwei Zhang <zzyiwei@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12072>
1 file changed