[PATCH] drm/i915: Assert that the active request hasn't been signaled

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As the request is not complete, it should not be signaled. Assert that
this is true before we process the request for a reset.

References: https://bugs.freedesktop.org/show_bug.cgi?id=99671
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_gem.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index b8d869d7937d..48922ff454e6 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2611,6 +2611,8 @@ i915_gem_find_active_request(struct intel_engine_cs *engine)
 			continue;
 
 		GEM_BUG_ON(request->engine != engine);
+		GEM_BUG_ON(test_bit(DMA_FENCE_FLAG_SIGNALED_BIT,
+				    &request->fence.flags));
 		return request;
 	}
 
-- 
2.11.0

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