From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DB1A9CFD65D for ; Wed, 7 Jan 2026 16:23:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=OT8t1TB9h6O2u35NCsOPgnuksTp3SeWa55D1kquHfIA=; b=P8RX1hIccDru7y 7l+4mxScxflDnhdn0WTGejBlENt3KgWZDGv1n1A9O4638+tprlhpwC1FuIII/xE3RoYlLkbCViSQb xqgxRgQWlDRzluQszhenyydOAlWBdw87+n/NrUbf6OC/R6fDYkWyPTwlyKhudGwccaTYs5oml50nK W+U/rVbNIJFccD4RePSr1+fuEI+YA6I8rFXQEsnH0pl+d30Mnem6k3smsmVrh5XiqrgWJHLEML/fR ePU39CCy3ItcqImy9MFOpTfLVGoTRCUageOvrKv/BPC6khi9YZXKP2fw8RWhyaaJWHtJwZBtLQ2Yr 86PtO0tBVgb0JmAWrP2g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdWJR-0000000FGin-2wOP; Wed, 07 Jan 2026 16:23:13 +0000 Received: from smtpout-04.galae.net ([185.171.202.116]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdWJA-0000000FGMo-2KtT; Wed, 07 Jan 2026 16:23:07 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 659ACC1EC84; Wed, 7 Jan 2026 16:22:24 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 7C448606F8; Wed, 7 Jan 2026 16:22:50 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id CA559103C821A; Wed, 7 Jan 2026 17:22:43 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1767802968; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=SA0cq6vwDyGvyP6SIBlq9HJkNg1w6ZLReUneEYt+F+A=; b=0PBXQU1IufSv9OAninwcHSoJr31ZcYtsGaC0anMJOqmxGaJiXaUsN7KM3zbRJlmgQ/00cN 2rozTMU32C/x2p83caDuDJtst5RQQL6r9XKMCkeYActN2bR5+sagZOR/Cw3VkgZ/26Pk2u 2iZKtRENzWlZf4JWjtnx7FvPTQrBEVuRRoPYW/CGOYHIezJxXcgz4KneTFZNAVpIP0pjDJ +24Mk1qaBmnA/usF75Sj7y2oXum8CDyme0KNsBfl5B1AvnjQW9RN/LSYJiJVzIl59oTWNN 6V2A+y8X+LGvZNLzzscItdC2jdgJuwEGmWOPpp6IFlC3nl7ett+ZgnqJ1LrnCA== From: Luca Ceresoli Date: Wed, 07 Jan 2026 17:22:04 +0100 Subject: [PATCH 6/6] drm: rcar-du: lvds: convert to of_drm_find_and_get_bridge() MIME-Version: 1.0 Message-Id: <20260107-drm-bridge-alloc-getput-drm_of_find_bridge-3-v1-6-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260107_082252_975157_D6D4446E X-CRM114-Status: GOOD ( 12.49 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org 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 --- 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 *bridge, return true; } +static void rcar_lvds_destroy(struct drm_bridge *bridge) +{ + struct rcar_lvds *lvds = 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, static const struct drm_bridge_funcs rcar_lvds_bridge_ops = { .attach = rcar_lvds_attach, + .destroy = rcar_lvds_destroy, .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, .atomic_reset = drm_atomic_helper_bridge_reset, @@ -740,7 +748,7 @@ static int rcar_lvds_parse_dt_companion(struct rcar_lvds *lvds) goto done; } - lvds->companion = of_drm_find_bridge(companion); + lvds->companion = of_drm_find_and_get_bridge(companion); if (!lvds->companion) { ret = -EPROBE_DEFER; goto done; -- 2.52.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic