linux-kernel - [PATCH] drm/bridge: parade-ps8640: Assign drm

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Date:   Thu,  4 Nov 2021 11:20:35 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     a.hajda@...sung.com
Cc:     narmstrong@...libre.com, robert.foss@...aro.org,
        Laurent.pinchart@...asonboard.com, jonas@...boo.se,
        jernej.skrabec@...il.com, airlied@...ux.ie, daniel@...ll.ch,
        dri-devel@...ts.freedesktop.org, kernel@...labora.com,
        linux-kernel@...r.kernel.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH] drm/bridge: parade-ps8640: Assign drm_device to dp aux channel

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@...labora.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