[PATCH 01/27] ilk-ci-hax
Chris Wilson
chris at chris-wilson.co.uk
Sat Apr 22 19:04:34 UTC 2017
---
drivers/gpu/drm/i915/i915_gem_request.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
index e2ec42b2bf24..848a17668388 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.c
+++ b/drivers/gpu/drm/i915/i915_gem_request.c
@@ -423,7 +423,10 @@ void __i915_gem_request_submit(struct drm_i915_gem_request *request)
seqno = timeline_get_seqno(timeline);
GEM_BUG_ON(!seqno);
- GEM_BUG_ON(i915_seqno_passed(intel_engine_get_seqno(engine), seqno));
+ if (WARN(i915_seqno_passed(intel_engine_get_seqno(engine), seqno),
+ "seqno went backwards! next=%x, engine=%x\n",
+ seqno, intel_engine_get_seqno(engine)))
+ BUG();
/* We may be recursing from the signal callback of another i915 fence */
spin_lock_nested(&request->lock, SINGLE_DEPTH_NESTING);
--
2.11.0
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