On 08/07/2019 12:30, Chris Wilson wrote:
Initialise the dma_fence innards in preparation for making
dma_fence_signal() always check the callback list.

Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
---
  drivers/gpu/drm/i915/gt/selftest_lrc.c | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c 
b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index 11f490502ca6..672bdaa66540 100644
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -859,6 +859,10 @@ static struct i915_request *dummy_request(struct 
intel_engine_cs *engine)
        i915_sw_fence_init(&rq->submit, dummy_notify);
        set_bit(I915_FENCE_FLAG_ACTIVE, &rq->fence.flags);
+ spin_lock_init(&rq->lock);
+       rq->fence.lock = &rq->lock;
+       INIT_LIST_HEAD(&rq->fence.cb_list);
+
        return rq;
  }

Reviewed-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>

Regards,

Tvrtko
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