[PATCH 01/27] ilk-ci-hax

Chris Wilson chris at chris-wilson.co.uk
Sat Apr 22 20:10:47 UTC 2017


---
 drivers/gpu/drm/i915/i915_gem_request.c | 4 +++-
 1 file changed, 3 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..9aa12a71249f 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.c
+++ b/drivers/gpu/drm/i915/i915_gem_request.c
@@ -423,7 +423,9 @@ 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));
+	WARN(i915_seqno_passed(intel_engine_get_seqno(engine), seqno),
+		 "seqno went backwards! next=%x, engine=%x\n",
+		 seqno, intel_engine_get_seqno(engine));
 
 	/* 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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