Check the pending request submission is valid: that it at least has a
reference for the submission and that the request is on the active list.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gt/intel_lrc.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c
b/drivers/gpu/drm/i915/gt/intel_lrc.c
index fef4b7e823f5..90e2b4431549 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -1303,6 +1303,9 @@ assert_pending_valid(const struct intel_engine_execlists
*execlists,
unsigned long flags;
bool ok = true;
+ GEM_BUG_ON(!kref_read(&rq->fence.ref));
+ GEM_BUG_ON(!i915_request_is_active(rq));
+
if (ce == rq->hw_context) {
GEM_TRACE_ERR("Dup context:%llx in pending[%zd]\n",
ce->timeline->fence_context,
--
2.24.0
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