diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index a6b573e89829413e5fef2ad388986ebccd54e3d9..09b9a46dfc0ec0337f1ecf60b04585b8fddddff4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -642,7 +642,10 @@ int nouveau_load(struct drm_device *dev, unsigned long flags)
 		dev_priv->chipset = (reg0 & 0xff00000) >> 20;
 	/* NV04 or NV05 */
 	} else if ((reg0 & 0xff00fff0) == 0x20004000) {
-		dev_priv->chipset = 0x04;
+		if (reg0 & 0x00f00000)
+			dev_priv->chipset = 0x05;
+		else
+			dev_priv->chipset = 0x04;
 	} else
 		dev_priv->chipset = 0xff;