drm/nv50: add dcb type 14 to enum to prevent compiler complaint

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index e4f33a4..e10d851 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -6153,7 +6153,7 @@
 			entry->tmdsconf.slave_addr = (conf & 0x00000070) >> 4;
 
 		break;
-	case 0xe:
+	case OUTPUT_EOL:
 		/* weird g80 mobile type that "nv" treats as a terminator */
 		dcb->entries--;
 		return false;
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.h b/drivers/gpu/drm/nouveau/nouveau_bios.h
index fd14dfd..c1de2f3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.h
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.h
@@ -95,6 +95,7 @@
 	OUTPUT_TMDS = 2,
 	OUTPUT_LVDS = 3,
 	OUTPUT_DP = 6,
+	OUTPUT_EOL = 14, /* DCB 4.0+, appears to be end-of-list */
 	OUTPUT_ANY = -1
 };