1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_hdmi.c b/drivers/gpu/drm/nouveau/nouveau_hdmi.c
index 59ea1c14eca..c3de3638452 100644
--- a/drivers/gpu/drm/nouveau/nouveau_hdmi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_hdmi.c
@@ -32,7 +32,9 @@ static bool
 hdmi_sor(struct drm_encoder *encoder)
 {
         struct drm_nouveau_private *dev_priv = encoder->dev->dev_private;
-        if (dev_priv->chipset < 0xa3)
+        if (dev_priv->chipset <  0xa3 ||
+            dev_priv->chipset == 0xaa ||
+            dev_priv->chipset == 0xac)
                 return false;
         return true;
 }