On 07/10/2019 09:27, Chris Wilson wrote:
We are still hitting the occasional stall upon submission, so be extra
caution and leave one more spare.
Signed-off-by: Chris Wilson <[email protected]>
---
lib/i915/gem_ring.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/i915/gem_ring.c b/lib/i915/gem_ring.c
index 272264659..9f099edff 100644
--- a/lib/i915/gem_ring.c
+++ b/lib/i915/gem_ring.c
@@ -104,7 +104,7 @@ __gem_measure_ring_inflight(int fd, unsigned int engine,
enum measure_ring_flags
} while (1);
igt_assert_eq(__execbuf(fd, &execbuf), -EINTR);
- igt_assert(count > 1);
+ igt_assert(count > 2);
memset(&itv, 0, sizeof(itv));
setitimer(ITIMER_REAL, &itv, NULL);
@@ -120,7 +120,7 @@ __gem_measure_ring_inflight(int fd, unsigned int engine,
enum measure_ring_flags
gem_quiescent_gpu(fd);
/* Be conservative in case we must wrap later */
- return count - 1;
+ return count - 2;
}
/**
Will one make a difference?
Reviewed-by: Tvrtko Ursulin <[email protected]>
Regards,
Tvrtko
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