Bridge drivers that implement the new model only shall return an error from their attach() handler when the DRM_BRIDGE_ATTACH_NO_CONNECTOR flag is not set. So make sure we return an error because only the new drm_bridge model is supported.
Signed-off-by: Enric Balletbo i Serra enric.balletbo@collabora.com ---
drivers/gpu/drm/bridge/parade-ps8640.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c index 13755d278db6d..ce3e8b2da8c9b 100644 --- a/drivers/gpu/drm/bridge/parade-ps8640.c +++ b/drivers/gpu/drm/bridge/parade-ps8640.c @@ -200,6 +200,10 @@ static int ps8640_bridge_attach(struct drm_bridge *bridge, .channel = 0, .node = NULL, }; + + if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) + return -EINVAL; + /* port@0 is ps8640 dsi input port */ in_ep = of_graph_get_endpoint_by_regs(dev->of_node, 0, -1); if (!in_ep)