This bridge never has a next bridge. Add get_next_callback func to expose
this.

Signed-off-by: Luca Ceresoli <[email protected]>
---
 drivers/gpu/drm/bridge/display-connector.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/bridge/display-connector.c 
b/drivers/gpu/drm/bridge/display-connector.c
index eb3412ec30a0..8b16ad89c7f1 100644
--- a/drivers/gpu/drm/bridge/display-connector.c
+++ b/drivers/gpu/drm/bridge/display-connector.c
@@ -36,6 +36,11 @@ to_display_connector(struct drm_bridge *bridge)
        return container_of(bridge, struct display_connector, bridge);
 }
 
+static struct drm_bridge *display_connector_get_next_bridge(struct drm_bridge 
*bridge)
+{
+       return NULL;
+}
+
 static int display_connector_attach(struct drm_bridge *bridge,
                                    struct drm_encoder *encoder,
                                    enum drm_bridge_attach_flags flags)
@@ -214,6 +219,7 @@ static u32 *display_connector_get_input_bus_fmts(struct 
drm_bridge *bridge,
 }
 
 static const struct drm_bridge_funcs display_connector_bridge_funcs = {
+       .get_next_bridge = display_connector_get_next_bridge,
        .attach = display_connector_attach,
        .destroy = display_connector_destroy,
        .detect = display_connector_bridge_detect,
@@ -412,6 +418,7 @@ static int display_connector_probe(struct platform_device 
*pdev)
 
        conn->bridge.of_node = pdev->dev.of_node;
 
+       conn->bridge.ops = DRM_BRIDGE_OP_GET_NEXT_BRIDGE;
        if (conn->bridge.ddc)
                conn->bridge.ops |= DRM_BRIDGE_OP_EDID
                                 |  DRM_BRIDGE_OP_DETECT;

-- 
2.55.0

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