linux-kernel - [PATCH 10/30] drm/bridge/analogix/anx6345: Add missing drm_dp_aux

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Date:   Fri, 19 Feb 2021 16:53:06 -0500
From:   Lyude Paul <lyude@...hat.com>
To:     intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        amd-gfx@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Thomas Zimmermann <tzimmermann@...e.de>
Cc:     Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Sam Ravnborg <sam@...nborg.org>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Vasily Khoruzhick <anarsoul@...il.com>,
        Torsten Duwe <duwe@....de>, Joe Perches <joe@...ches.com>,
        Icenowy Zheng <icenowy@...c.io>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 10/30] drm/bridge/analogix/anx6345: Add missing drm_dp_aux_unregister() call

Another driver I found that seems to forget to unregister it's DP AUX
device. Let's fix this by adding anx6345_bridge_detach().

Signed-off-by: Lyude Paul <lyude@...hat.com>
---
 drivers/gpu/drm/bridge/analogix/analogix-anx6345.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
index d9164fab044d..8e016ba7c54a 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
@@ -574,6 +574,11 @@ static int anx6345_bridge_attach(struct drm_bridge *bridge,
 	return 0;
 }
 
+static void anx6345_bridge_detach(struct drm_bridge *bridge)
+{
+	drm_dp_aux_unregister(&bridge_to_anx6345(bridge)->aux);
+}
+
 static enum drm_mode_status
 anx6345_bridge_mode_valid(struct drm_bridge *bridge,
 			  const struct drm_display_info *info,
@@ -624,6 +629,7 @@ static void anx6345_bridge_enable(struct drm_bridge *bridge)
 
 static const struct drm_bridge_funcs anx6345_bridge_funcs = {
 	.attach = anx6345_bridge_attach,
+	.detach = anx6345_bridge_detach,
 	.mode_valid = anx6345_bridge_mode_valid,
 	.disable = anx6345_bridge_disable,
 	.enable = anx6345_bridge_enable,
-- 
2.29.2