The VOP2 driver needs this port ID to properly configure the
display data routing.

Signed-off-by: Lucas Stach <[email protected]>
---
 drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c 
b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index 84aa811ca1e9..cea8d1af0ec7 100644
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -344,6 +344,9 @@ static int rockchip_dp_bind(struct device *dev, struct 
device *master,
                return ret;
        }
 
+       rockchip_drm_encoder_set_crtc_endpoint_id(&dp->encoder,
+                                                 dev->of_node, 0, 0);
+
        dp->plat_data.encoder = &dp->encoder.encoder;
 
        ret = analogix_dp_bind(dp->adp, drm_dev);
-- 
2.43.0

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