drm/nouveau/kms: don't call drm_dp_cec_set_edid() on TMDS

RM complains very loudly at the aux transaction attempts.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230525003106.3853741-10-skeggsb@gmail.com

diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index f75c6f0..52c9661 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -619,7 +619,10 @@ nouveau_connector_detect(struct drm_connector *connector, bool force)
 
                nouveau_connector_set_encoder(connector, nv_encoder);
                conn_status = connector_status_connected;
-               drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid);
+
+               if (nv_encoder->dcb->type == DCB_OUTPUT_DP)
+                       drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid);
+
                goto out;
        } else {
                nouveau_connector_set_edid(nv_connector, NULL);