drm/amd/display: Drop dm_connector_update_modes

It's unused since the drm_edid_to_eld cleanup
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c

@@ -174,12 +174,6 @@ static const struct drm_connector_funcs dm_dp_mst_connector_funcs = {
 	.atomic_get_property = amdgpu_dm_connector_atomic_get_property
 };
 
-static int dm_connector_update_modes(struct drm_connector *connector,
-				struct edid *edid)
-{
-	return drm_add_edid_modes(connector, edid);
-}
-
 void dm_dp_mst_dc_sink_create(struct drm_connector *connector)
 {
 	struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
@@ -228,7 +222,7 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector)
 	int ret = 0;
 
 	if (!aconnector)
-		return dm_connector_update_modes(connector, NULL);
+		return drm_add_edid_modes(connector, NULL);
 
 	if (!aconnector->edid) {
 		struct edid *edid;
@@ -264,7 +258,7 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector)
 						&aconnector->base, edid);
 	}
 
-	ret = dm_connector_update_modes(connector, aconnector->edid);
+	ret = drm_add_edid_modes(connector, aconnector->edid);
 
 	return ret;
 }