radv: add a way to disable the HIZ/HiS events based workaround on GFX12

This workaround doesn't mitigate the issue reliably/completely. An
alternative (but complex) solution also exists.

This introduces a small option that allows to disable the current
workaround as preliminary work.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36110>
5 files changed