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path: root/drivers/gpu/drm/nouveau/nouveau_irq.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_irq.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_irq.c1
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 e2f2d59be3ea..7bfd9e6c9d67 100644
--- a/drivers/gpu/drm/nouveau/nouveau_irq.c
+++ b/drivers/gpu/drm/nouveau/nouveau_irq.c
@@ -60,6 +60,7 @@ 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);
}
}