From nobody Tue Feb 10 02:27:59 2026 Received: from smtpout-02.galae.net (smtpout-02.galae.net [185.246.84.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9072937E2E0 for ; Wed, 7 Jan 2026 16:22:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.84.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767802980; cv=none; b=YuSWIV5A9m6UeEIvn1347UsOJ3NiFvKpLKACSNxcv6BYapmxwVuEpW0q0HuiqyUYKi8zjXlSMVIy+sadh4ddwC0XKHHTjI6Ltgm+wgYS7t0O7P7plGzTJfRdwaO8JCPJxgw9YRxnKFWHFrl9IJ9xKA7LPAUV1E1uuaH85vBiCno= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767802980; c=relaxed/simple; bh=PFBPdmECrS6AMLYxYrGfvlKx1Ov47FWzP6tuMmhKFCk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ur/XC2tO5kRwI/LfmvyafRBfF6rxEjLDrIbcnhnv8VQwlLZlXC5wDJ1qYhYV/y1KGTU2fngLcjjdQFRsI2BNEqfmCgvoNsufrngmKNAstG7L4yH2AeeMjQnco+majbcPxW9wbr1oF/4gg0FYWLgElaE6xIizBEsDJSj4hV9dobA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=gf3+E3Zr; arc=none smtp.client-ip=185.246.84.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="gf3+E3Zr" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id 0D90F1A26E4; Wed, 7 Jan 2026 16:22:40 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id D4357606F8; Wed, 7 Jan 2026 16:22:39 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 72981103C87C9; Wed, 7 Jan 2026 17:22:33 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1767802958; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=ST179KMkx3KAXksoGXwbmWOr+cYParM2ZEAFdnlrrzM=; b=gf3+E3Zrot6ORWwKRshSfPbFg7fbgq4507Z+9VG0hEjM0D51xpU8YmGZzK4gI5mKCHz2EI Kflt7d9Ohg7QHoUz1fsaeOdeLx1hMR4JPrWEavVvZimIKPhdKYiDvrfsOHz7JRaXnXO11x lNZQiMvNUtfiECi1dR13lE50fBXABfVsFu2d8lkUXYxo8RmzGIvp783FIZD/mamBG2titk Qv38gwAxQ/P9e6ki4KHYNXF9lzfsB7hNnVJbfH1usv/PKkiGMeIKRVKbaaC/FJ/vB8xiwH 5ibUIiEYSAog2IBJKcKEdLQD5M6sYQX6OM0on54yVAxfH4uwoIP/3Ra6UQfcZQ== From: Luca Ceresoli Date: Wed, 07 Jan 2026 17:22:02 +0100 Subject: [PATCH 4/6] drm/mediatek: mtk_hdmi*: convert to of_drm_find_and_get_bridge() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260107-drm-bridge-alloc-getput-drm_of_find_bridge-3-v1-4-ef48a517828e@bootlin.com> References: <20260107-drm-bridge-alloc-getput-drm_of_find_bridge-3-v1-0-ef48a517828e@bootlin.com> In-Reply-To: <20260107-drm-bridge-alloc-getput-drm_of_find_bridge-3-v1-0-ef48a517828e@bootlin.com> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Philipp Zabel , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Chun-Kuang Hu , Matthias Brugger , AngeloGioacchino Del Regno , Inki Dae , Seung-Woo Kim , Kyungmin Park , Krzysztof Kozlowski , Alim Akhtar , Laurent Pinchart , Tomi Valkeinen , Kieran Bingham , Geert Uytterhoeven , Magnus Damm Cc: Hui Pu , Thomas Petazzoni , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-mediatek@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Luca Ceresoli X-Mailer: b4 0.14.3 X-Last-TLS-Session-Version: TLSv1.3 of_drm_find_bridge() is deprecated. Move to its replacement of_drm_find_and_get_bridge() which gets a bridge reference, and ensure it is put when done by using the drm_bridge::next_bridge pointer. Signed-off-by: Luca Ceresoli Acked-by: Maxime Ripard --- drivers/gpu/drm/mediatek/mtk_hdmi.c | 4 ++-- drivers/gpu/drm/mediatek/mtk_hdmi_common.c | 4 ++-- drivers/gpu/drm/mediatek/mtk_hdmi_common.h | 1 - drivers/gpu/drm/mediatek/mtk_hdmi_v2.c | 4 ++-- 4 files changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek= /mtk_hdmi.c index 0face4dcaa36..1ea259854780 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -986,8 +986,8 @@ static int mtk_hdmi_bridge_attach(struct drm_bridge *br= idge, return -EINVAL; } =20 - if (hdmi->next_bridge) { - ret =3D drm_bridge_attach(encoder, hdmi->next_bridge, + if (hdmi->bridge.next_bridge) { + ret =3D drm_bridge_attach(encoder, hdmi->bridge.next_bridge, bridge, flags); if (ret) return ret; diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c b/drivers/gpu/drm/m= ediatek/mtk_hdmi_common.c index e78eb0876f16..40ded86dbea3 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c @@ -315,8 +315,8 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdm= i, struct platform_device return -EINVAL; =20 if (!of_device_is_compatible(remote, "hdmi-connector")) { - hdmi->next_bridge =3D of_drm_find_bridge(remote); - if (!hdmi->next_bridge) { + hdmi->bridge.next_bridge =3D of_drm_find_and_get_bridge(remote); + if (!hdmi->bridge.next_bridge) { dev_err(dev, "Waiting for external bridge\n"); of_node_put(remote); return -EPROBE_DEFER; diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_common.h b/drivers/gpu/drm/m= ediatek/mtk_hdmi_common.h index de5e064585f8..cace3c5dc067 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi_common.h +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_common.h @@ -150,7 +150,6 @@ struct mtk_hdmi_conf { =20 struct mtk_hdmi { struct drm_bridge bridge; - struct drm_bridge *next_bridge; struct drm_connector *curr_conn;/* current connector (only valid when 'en= abled') */ struct device *dev; const struct mtk_hdmi_conf *conf; diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_v2.c b/drivers/gpu/drm/media= tek/mtk_hdmi_v2.c index c272e1e74b7d..2adeece499b6 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi_v2.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_v2.c @@ -940,8 +940,8 @@ static int mtk_hdmi_v2_bridge_attach(struct drm_bridge = *bridge, DRM_ERROR("The flag DRM_BRIDGE_ATTACH_NO_CONNECTOR must be supplied\n"); return -EINVAL; } - if (hdmi->next_bridge) { - ret =3D drm_bridge_attach(encoder, hdmi->next_bridge, bridge, flags); + if (hdmi->bridge.next_bridge) { + ret =3D drm_bridge_attach(encoder, hdmi->bridge.next_bridge, bridge, fla= gs); if (ret) return ret; } --=20 2.52.0