diff --git a/sys/dev/drm/radeon/radeon_irq_kms.c b/sys/dev/drm/radeon/radeon_irq_kms.c
--- a/sys/dev/drm/radeon/radeon_irq_kms.c
+++ b/sys/dev/drm/radeon/radeon_irq_kms.c
@@ -343,6 +343,8 @@
 			pci_disable_msi(rdev->pdev);
 #endif
 		flush_delayed_work(&rdev->hotplug_work);
+		flush_work(&rdev->dp_work);
+		flush_work(&rdev->audio_work);
 	}
 }