diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c
index ecf1936b822416f5b6606a39054717af3a440846..c2fff543b06f4a1c5269e4fa8e7cfb4b69f475d2 100644
--- a/drivers/gpu/drm/nouveau/nv50_sor.c
+++ b/drivers/gpu/drm/nouveau/nv50_sor.c
@@ -101,6 +101,7 @@ nv50_sor_dpms(struct drm_encoder *encoder, int mode)
 		struct nouveau_encoder *nvenc = nouveau_encoder(enc);
 
 		if (nvenc == nv_encoder ||
+		    nvenc->disconnect != nv50_sor_disconnect ||
 		    nvenc->dcb->or != nv_encoder->dcb->or)
 			continue;