drm/bridge: analogix: fix edid not works

Change-Id: I1a964b51d0d137e66ad5d073a2eef2fb22770bba
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 6ac31a9f8260b551e9828792ec66a4da63527733..ff2b881581c5c8cd3fb46c6cb2cf8226a9249e13 100644 (file)
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -938,9 +938,10 @@ int analogix_dp_get_modes(struct drm_connector *connector)
 
        pm_runtime_get_sync(dp->dev);
 
 
        pm_runtime_get_sync(dp->dev);
 

-       if (dp->plat_data->panel) {
+       if (dp->plat_data->panel)

                num_modes += drm_panel_get_modes(dp->plat_data->panel);
                num_modes += drm_panel_get_modes(dp->plat_data->panel);

-       } else if (analogix_dp_handle_edid(dp) == 0) {
+
+       if (!num_modes && !analogix_dp_handle_edid(dp)) {

                drm_mode_connector_update_edid_property(&dp->connector, edid);
                num_modes += drm_add_edid_modes(&dp->connector, edid);
        }
                drm_mode_connector_update_edid_property(&dp->connector, edid);
                num_modes += drm_add_edid_modes(&dp->connector, edid);
        }