[PATCH] drm/bridge: parade-ps8640: Assign drm_device to dp aux channel

[AngeloGioacchino Del Regno]

As it was done with other bridge drivers and to solve a warning coming
from drm_dp_aux_register(), add a backpointer to drm_device in the
drm_dp_aux that we're registering.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
---
 drivers/gpu/drm/bridge/parade-ps8640.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c
index 191cc196c9d1..20d8e606d543 100644
--- a/drivers/gpu/drm/bridge/parade-ps8640.c
+++ b/drivers/gpu/drm/bridge/parade-ps8640.c
@@ -455,6 +455,7 @@ static int ps8640_bridge_attach(struct drm_bridge *bridge,
 		goto err_dsi_attach;
 	}
 
+	ps_bridge->aux.drm_dev = bridge->dev;
 	ret = drm_dp_aux_register(&ps_bridge->aux);
 	if (ret) {
 		dev_err(dev, "failed to register DP AUX channel: %d\n", ret);
-- 
2.33.1