linux-kernel - [PATCH v2 2/3] drm/display: bridge_connector: add DisplayPort subconnector property

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Message-Id: <20250209-dp-hdmi-audio-v2-2-16db6ebf22ff@linaro.org>
Date: Sun, 09 Feb 2025 15:41:19 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Andrzej Hajda <andrzej.hajda@...el.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Rob Clark <robdclark@...il.com>, Abhinav Kumar <quic_abhinavk@...cinc.com>, 
 Sean Paul <sean@...rly.run>, Marijn Suijten <marijn.suijten@...ainline.org>, 
 Hermes Wu <Hermes.wu@....com.tw>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org
Subject: [PATCH v2 2/3] drm/display: bridge_connector: add DisplayPort
 subconnector property

Create the DisplayPort subconnector property for DP connectors managed
through drm_bridge_connector, removing the need to create it manually by
the drivers.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 drivers/gpu/drm/display/drm_bridge_connector.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/display/drm_bridge_connector.c b/drivers/gpu/drm/display/drm_bridge_connector.c
index 5e031395b801f9a1371dcb4ac09f3da23e4615dd..df9e6b46b40454385f7023310327c5c99d5c6a5a 100644
--- a/drivers/gpu/drm/display/drm_bridge_connector.c
+++ b/drivers/gpu/drm/display/drm_bridge_connector.c
@@ -662,6 +662,8 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm,
 		if (ret)
 			return ERR_PTR(ret);
 
+		drm_connector_attach_dp_subconnector_property(connector);
+
 		ret = drm_bridge_connector_hdmi_audio_init(connector, bridge);
 		if (ret)
 			return ERR_PTR(ret);

-- 
2.39.5