diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index dd6fba55ad5d..c4ef3a0a737e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -1478,9 +1478,13 @@ parse_dcb20_entry(struct drm_device *dev, struct dcb_table *dcb,
 		case 1:
 			entry->dpconf.link_bw = 270000;
 			break;
-		default:
+		case 2:
 			entry->dpconf.link_bw = 540000;
 			break;
+		case 3:
+		default:
+			entry->dpconf.link_bw = 810000;
+			break;
 		}
 		switch ((conf & 0x0f000000) >> 24) {
 		case 0xf: