1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c
index 794b0ee30cf6..b62a601737a4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_irq.c
+++ b/drivers/gpu/drm/nouveau/nouveau_irq.c
@@ -52,6 +52,7 @@ nouveau_irq_preinstall(struct drm_device *dev)
         if (dev_priv->card_type >= NV_50) {
                 INIT_WORK(&dev_priv->irq_work, nv50_display_irq_handler_bh);
                 INIT_WORK(&dev_priv->hpd_work, nv50_display_irq_hotplug_bh);
+                spin_lock_init(&dev_priv->hpd_state.lock);
                 INIT_LIST_HEAD(&dev_priv->vbl_waiting);
         }
 }