1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 94b21ae70ef7..5a2cafb4f1bc 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -95,6 +95,11 @@ void radeon_connector_hotplug(struct drm_connector *connector)
                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
                                 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
                         } else if (radeon_dp_needs_link_train(radeon_connector)) {
+                                /* Don't try to start link training before we
+                                 * have the dpcd */
+                                if (!radeon_dp_getdpcd(radeon_connector))
+                                        return;
+
                                 /* set it to OFF so that drm_helper_connector_dpms()
                                  * won't return immediately since the current state
                                  * is ON at this point.