[igt-dev] [PATCH i-g-t 10/10] tests/i915/exec_fence: add timeline fence tests

[Chris Wilson]

Quoting Lionel Landwerlin (2019-07-25 11:30:34)
> We can now give a tuple (handle, point_value) for timeline semaphores.

What I didn't notice was a test for passing value = 0 into the timeline
semaphores and checking that it degraded into a normal syncobj (and
defining the behavior of value=0 with a live timeline, which afaict
means wait-on-last or replace-on-signal).
-Chris