drm/i915/selftests: Fill in a little more of the dummy fence

Initialise the dma_fence innards in preparation for making
dma_fence_signal() always check the callback list.

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/20190708113038.19251-1-chris@chris-wilson.co.uk

diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index 11f4905..672bdaa 100644 (file)
--- 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;
 }