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drm/i915: Assert that the request is indeed complete when signaled from irq
author
Chris Wilson
<chris@chris-wilson.co.uk>
Mon, 5 Mar 2018 10:41:05 +0000
(10:41 +0000)
committer
Chris Wilson
<chris@chris-wilson.co.uk>
Wed, 7 Mar 2018 12:57:44 +0000
(12:57 +0000)
After we call dma_fence_signal(), confirm that the request was indeed
complete.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link:
https://patchwork.freedesktop.org/patch/msgid/20180305104105.8296-1-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/i915_irq.c
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diff --git
a/drivers/gpu/drm/i915/i915_irq.c
b/drivers/gpu/drm/i915/i915_irq.c
index ce16003ef048c40c400db51c397cff227ff7b7c8..633c18785c1e9cfc12ea6c21fe6ccc08b859bd30 100644
(file)
--- a/
drivers/gpu/drm/i915/i915_irq.c
+++ b/
drivers/gpu/drm/i915/i915_irq.c
@@
-1123,6
+1123,7
@@
static void notify_ring(struct intel_engine_cs *engine)
if (rq) {
dma_fence_signal(&rq->fence);
+ GEM_BUG_ON(!i915_request_completed(rq));
i915_request_put(rq);
}