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 DEC9AD5E13D for ; Tue, 16 Dec 2025 18:00:23 +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=+cIigDcDEWMc3/TxrYS2pVKcRsRppQCWQ0GWSQJC5sw=; b=xsRP4UowNtFgsG w1JYmopAzg+I3/JwZGT/6juI3IUPPEQ12eqAQU/oBra6hbBqbaN+niDXJrkZrmX7VcghgEXO6vi6b Cizc9KTHcgaAFQsG9CKAEcr62AZy/3txv3nTJiXbs3L0bTOZxgS7KOKIQFFLsf7oy5/iW0sJ3eld9 3hQF74KUrnta74aeB2LVaFd+a6nPeQok+MGtOuz8V2aAaMQhGvQyUs16HvTuTCnwqo6NiQmYxhYx3 4y1bwv8tWl3bWcGQkajYahaNGZZSdGH+Xi1Uc26WiBD3LoTPK9JxSEOGlF/B6HVGfpWVwbe0h9tPk 5NBsFF1taFH1ckMM1rYw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vVZLM-00000005eQs-2Di0; Tue, 16 Dec 2025 18:00:16 +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 1vVZLJ-00000005eKw-2Yhm for linux-amlogic@lists.infradead.org; Tue, 16 Dec 2025 18:00:15 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 5F814C1A583; Tue, 16 Dec 2025 17:59:47 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id CCDBE6071C; Tue, 16 Dec 2025 18:00:11 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 58956119A97D5; Tue, 16 Dec 2025 19:00:07 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1765908010; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=GTpHCQitfi8TKGp4ltc6l5X/3hGUd4W8RAwhKfH5B+s=; b=YTYB0YhzjjTTgzdv0SfV0tdpbiL0U77KW7nyVZHlfowvzbiCHbjQIO0Rd92LvYfebaoxsX aARGAKYE4LBOiE9c0j0MUm/b+x/I03+9LCYx3eOfneq6yiI8dG0YrZYtU7v1U736PHBkCT Ymxe4fTEiykO2aucimaxodwoP5tBolmgftfM6JpwOUCOaux9GoIEt4fdMa8LZ/OPtvNKa/ lo5xJVqZxsPasCP5cb3+C0EahLqHNLrJsyjeNcGOYDtWpUUVL3Lp2k1KlKFAaFT8q5lA7j i8bXREnTqViEXutDMVNTC56WF0U4b69ALtNnqW5Lw/9Bs6mCDp5M7GA5mmAwzQ== From: Luca Ceresoli Date: Tue, 16 Dec 2025 18:58:44 +0100 Subject: [PATCH v3 11/22] drm/meson: encoder_dsi: get/put the next bridge MIME-Version: 1.0 Message-Id: <20251216-drm-bridge-alloc-getput-drm_of_find_bridge-v3-11-b5165fab8058@bootlin.com> References: <20251216-drm-bridge-alloc-getput-drm_of_find_bridge-v3-0-b5165fab8058@bootlin.com> In-Reply-To: <20251216-drm-bridge-alloc-getput-drm_of_find_bridge-v3-0-b5165fab8058@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 , Jonathan Corbet , Alexey Brodkin , Phong LE , Liu Ying , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Kevin Hilman , Jerome Brunet , Martin Blumenstingl Cc: Hui Pu , Thomas Petazzoni , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.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-20251216_100013_849254_CFE05995 X-CRM114-Status: GOOD ( 11.07 ) 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 This driver obtains a bridge pointer from of_drm_find_bridge() in the probe function and stores it until driver removal. of_drm_find_bridge() is deprecated. Move to of_drm_find_and_get_bridge() for the bridge to be refcounted and use bridge->next_bridge to put the reference on deallocation. Signed-off-by: Luca Ceresoli --- drivers/gpu/drm/meson/meson_encoder_dsi.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/meson/meson_encoder_dsi.c b/drivers/gpu/drm/meson/meson_encoder_dsi.c index 6c6624f9ba24..eba246791c68 100644 --- a/drivers/gpu/drm/meson/meson_encoder_dsi.c +++ b/drivers/gpu/drm/meson/meson_encoder_dsi.c @@ -25,7 +25,6 @@ struct meson_encoder_dsi { struct drm_encoder encoder; struct drm_bridge bridge; - struct drm_bridge *next_bridge; struct meson_drm *priv; }; @@ -38,7 +37,7 @@ static int meson_encoder_dsi_attach(struct drm_bridge *bridge, { struct meson_encoder_dsi *encoder_dsi = bridge_to_meson_encoder_dsi(bridge); - return drm_bridge_attach(encoder, encoder_dsi->next_bridge, + return drm_bridge_attach(encoder, encoder_dsi->bridge.next_bridge, &encoder_dsi->bridge, flags); } @@ -120,8 +119,8 @@ int meson_encoder_dsi_probe(struct meson_drm *priv) return 0; } - meson_encoder_dsi->next_bridge = of_drm_find_bridge(remote); - if (!meson_encoder_dsi->next_bridge) + meson_encoder_dsi->bridge.next_bridge = of_drm_find_and_get_bridge(remote); + if (!meson_encoder_dsi->bridge.next_bridge) return dev_err_probe(priv->dev, -EPROBE_DEFER, "Failed to find DSI transceiver bridge\n"); -- 2.52.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic