1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index e9e6f71418a4..884556d9814e 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -800,6 +800,7 @@ int intel_init_ring_buffer(struct drm_device *dev,
         INIT_LIST_HEAD(&ring->request_list);
         INIT_LIST_HEAD(&ring->gpu_write_list);
 
+        init_waitqueue_head(&ring->irq_queue);
         spin_lock_init(&ring->irq_lock);
         ring->irq_mask = ~0;