1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c
index e31ba312c2f..0c68698f23d 100644
--- a/drivers/gpu/drm/nouveau/nv50_sor.c
+++ b/drivers/gpu/drm/nouveau/nv50_sor.c
@@ -337,6 +337,9 @@ nv50_sor_create(struct drm_device *dev, struct dcb_entry *entry)
                 default:
                         break;
                 }
+
+                if (!nv_encoder->dp.mc_unknown)
+                        nv_encoder->dp.mc_unknown = 5;
         }
 
         return 0;