linux-kernel - [PATCH v11 06/11] drm/mediatek: mtk_hdmi_common: Assign DDC adapter pointer to bridge

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Message-Id: <20251023-mediatek-drm-hdmi-v2-v11-6-7873ec4a1edf@collabora.com>
Date: Thu, 23 Oct 2025 12:32:32 +0200
From: Louis-Alexis Eyraud <louisalexis.eyraud@...labora.com>
To: Chun-Kuang Hu <chunkuang.hu@...nel.org>, 
 Philipp Zabel <p.zabel@...gutronix.de>, David Airlie <airlied@...il.com>, 
 Simona Vetter <simona@...ll.ch>, Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 CK Hu <ck.hu@...iatek.com>
Cc: kernel@...labora.com, dri-devel@...ts.freedesktop.org, 
 linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, 
 Louis-Alexis Eyraud <louisalexis.eyraud@...labora.com>
Subject: [PATCH v11 06/11] drm/mediatek: mtk_hdmi_common: Assign DDC
 adapter pointer to bridge

From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

In preparation for adding the new HDMI TX v2 IP driver, assign the
pointer to the DDC adapter to struct drm_bridge during probe.

This commit brings no functional changes.

Reviewed-by: CK Hu <ck.hu@...iatek.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@...labora.com>
---
 drivers/gpu/drm/mediatek/mtk_hdmi_common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
index 989479fdfe40952762a1b63797bf602b520dcac5..3b589706d61b1e0e4aa66d0c81253b8aeb70c0d3 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c
@@ -412,7 +412,9 @@ struct mtk_hdmi *mtk_hdmi_common_probe(struct platform_device *pdev)
 	hdmi->bridge.of_node = pdev->dev.of_node;
 	hdmi->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID
 			 | DRM_BRIDGE_OP_HPD;
+
 	hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
+	hdmi->bridge.ddc = hdmi->ddc_adpt;
 	hdmi->bridge.vendor = "MediaTek";
 	hdmi->bridge.product = "On-Chip HDMI";
 

-- 
2.51.0