If seqno has wrapped, normal compare operation will give wrong results. i915_seqno_passed can handle the wrap so use it instead.
Signed-off-by: Mika Kuoppala <[email protected]> --- drivers/gpu/drm/i915/i915_gem.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index cdcf19d..35d5db8 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2138,7 +2138,7 @@ i915_gem_retire_requests_ring(struct intel_ring_buffer *ring) seqno = ring->get_seqno(ring, true); for (i = 0; i < ARRAY_SIZE(ring->sync_seqno); i++) - if (seqno >= ring->sync_seqno[i]) + if (i915_seqno_passed(seqno, ring->sync_seqno[i])) ring->sync_seqno[i] = 0; while (!list_empty(&ring->request_list)) { @@ -2376,7 +2376,7 @@ i915_gem_object_sync(struct drm_i915_gem_object *obj, idx = intel_ring_sync_index(from, to); seqno = obj->last_read_seqno; - if (seqno <= from->sync_seqno[idx]) + if (i915_seqno_passed(from->sync_seqno[idx], seqno)) return 0; ret = i915_gem_check_olr(obj->ring, seqno); -- 1.7.9.5 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
