From nobody Mon Feb 9 23:03:17 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 622923382D6; Fri, 9 Jan 2026 10:03:51 +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=1767953033; cv=none; b=GePrvivvdGdj8U/NxORfX3b2s6ofHhCq3mGYs00V0OdjlIna3A6yZJ3Fx64ChPekCzaWasOBcg6UOFhnMRGdA9LTGDnLmwQSPwNIHo789ouJG9oHtUUHRC/UOe5e3G9sK/wDACygnGDDOTbIZzTT6aix5NPD7eyz8tWtJM48ci4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767953033; c=relaxed/simple; bh=TlE3YDvy+t5RtC+Km6LkK0CiyIuQKjYCOd/3ddkTIKk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=DaOeKKdXPHZJrQU643kF3gx78qQVtraxo7Q3dNO44uhIDMvjT/tVagbwfpdqj7Ol5jbwaJr7k4ysjJzOETDcXNg4ofcmvmX9GPojKQ/bInsknEojvwxRLaWofSSRlkoY0zawxzTiST+fDrsv44cAdPlbEhgsymuZBrWeGMKL8v4= 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=KSZfI1Sa; 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="KSZfI1Sa" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id F096E1A273D; Fri, 9 Jan 2026 10:03:49 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id C397160734; Fri, 9 Jan 2026 10:03:49 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id A7926103C88D0; Fri, 9 Jan 2026 11:03:42 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1767953028; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=SA0cq6vwDyGvyP6SIBlq9HJkNg1w6ZLReUneEYt+F+A=; b=KSZfI1SaMumTTlA7aUO6fknx5ClPCFywopEJddmgU9FBvO0pmHTfpu2e904RhR6gPPoMSB ZPe00R76Xz/t/ZaLShL8VZs2/VQbhzctQtsji7KJ4/m4s9zXyFup7MJcoAA8x8Zv7qeSoR Pq18G1V6UTxRFRfxEIHCBQkmOxiOHdSF7fb5Pzu8WyzjbAczpR7CYY5L7Jmp7bCyerI1RI WRVm2ww91LMZFoNvTkNMzRhdIHSA2YI64XzE99H+xp5GGHdf1oLkQ7Pu3fXg2sjZAhss1E NXN9D3QTghu/aY1qyCeS6OHAoXBaM+hwIbn+Sm4gLdBkf1Gqh+Fr9rsU3YGqyA== From: Luca Ceresoli Date: Fri, 09 Jan 2026 11:02:55 +0100 Subject: [PATCH v2 6/6] drm: rcar-du: lvds: 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: <20260109-drm-bridge-alloc-getput-drm_of_find_bridge-3-v2-6-8d7a3dbacdf4@bootlin.com> References: <20260109-drm-bridge-alloc-getput-drm_of_find_bridge-3-v2-0-8d7a3dbacdf4@bootlin.com> In-Reply-To: <20260109-drm-bridge-alloc-getput-drm_of_find_bridge-3-v2-0-8d7a3dbacdf4@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: Marek Szyprowski , 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. Since the companion bridge pointer is used by .atomic_enable, putting its reference in the remove function would be dangerous. Use .destroy to put it on final deallocation. Signed-off-by: Luca Ceresoli Acked-by: Maxime Ripard --- drivers/gpu/drm/renesas/rcar-du/rcar_lvds.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_lvds.c b/drivers/gpu/drm/= renesas/rcar-du/rcar_lvds.c index 001b3543924a..227818e37390 100644 --- a/drivers/gpu/drm/renesas/rcar-du/rcar_lvds.c +++ b/drivers/gpu/drm/renesas/rcar-du/rcar_lvds.c @@ -633,6 +633,13 @@ static bool rcar_lvds_mode_fixup(struct drm_bridge *br= idge, return true; } =20 +static void rcar_lvds_destroy(struct drm_bridge *bridge) +{ + struct rcar_lvds *lvds =3D bridge_to_rcar_lvds(bridge); + + drm_bridge_put(lvds->companion); +} + static int rcar_lvds_attach(struct drm_bridge *bridge, struct drm_encoder *encoder, enum drm_bridge_attach_flags flags) @@ -648,6 +655,7 @@ static int rcar_lvds_attach(struct drm_bridge *bridge, =20 static const struct drm_bridge_funcs rcar_lvds_bridge_ops =3D { .attach =3D rcar_lvds_attach, + .destroy =3D rcar_lvds_destroy, .atomic_duplicate_state =3D drm_atomic_helper_bridge_duplicate_state, .atomic_destroy_state =3D drm_atomic_helper_bridge_destroy_state, .atomic_reset =3D drm_atomic_helper_bridge_reset, @@ -740,7 +748,7 @@ static int rcar_lvds_parse_dt_companion(struct rcar_lvd= s *lvds) goto done; } =20 - lvds->companion =3D of_drm_find_bridge(companion); + lvds->companion =3D of_drm_find_and_get_bridge(companion); if (!lvds->companion) { ret =3D -EPROBE_DEFER; goto done; --=20 2.52.0