92e6fea7df
If we don't flush deferred submits, we could end up waiting on a fence
that is never signaled.
Fixes: 48b5164356 ("freedreno/drm: Return fence from submit flush")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20465>