UPSTREAM: venus: fix signaled fence creation under multiple timeline

Fixes: 3beb4f055e17 ("venus: allow renderer submissions on per-context virtgpu rings")

BUG=b:193892617
TEST=cts

Change-Id: I1835c6c077aaa8a2187197f5dd641ebdcb58adea
Signed-off-by: Yiwei Zhang <zzyiwei@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20366>
(cherry picked from commit 8a16c5283cff45e7077228993ebc54a2249c15e2)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/mesa/+/4118129
Tested-by: Ryan Neph <ryanneph@google.com>
Reviewed-by: Lepton Wu <lepton@chromium.org>
Commit-Queue: Ryan Neph <ryanneph@google.com>
1 file changed