1 files changed, 17 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index a9263d92a231..90f0bf59fbcd 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -690,9 +690,21 @@ nv50_display_script_select(struct drm_device *dev, struct dcb_entry *dcbent,
                            int pxclk)
 {
         struct drm_nouveau_private *dev_priv = dev->dev_private;
+        struct nouveau_connector *nv_connector = NULL;
+        struct drm_encoder *encoder;
         struct nvbios *bios = &dev_priv->VBIOS;
         uint32_t mc, script = 0, or;
 
+        list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+                struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+
+                if (nv_encoder->dcb != dcbent)
+                        continue;
+
+                nv_connector = nouveau_encoder_connector_get(nv_encoder);
+                break;
+        }
+
         or = ffs(dcbent->or) - 1;
         mc = nv50_display_mode_ctrl(dev, dcbent->type != OUTPUT_ANALOG, or);
         switch (dcbent->type) {
@@ -711,6 +723,11 @@ nv50_display_script_select(struct drm_device *dev, struct dcb_entry *dcbent,
                         } else
                         if (bios->fp.strapless_is_24bit & 1)
                                 script |= 0x0200;
+
+                        if (nv_connector && nv_connector->edid &&
+                            (nv_connector->edid->revision >= 4) &&
+                            (nv_connector->edid->input & 0x70) >= 0x20)
+                                script |= 0x0200;
                 }
 
                 if (nouveau_uscript_lvds >= 0) {