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 39350C982C5 for ; Wed, 16 Sep 2026 13:47:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type: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=7JYe70QxeTzij/tSzgebCehRNZ/P8wl4nEuocul1G1A=; b=PqPwF2iAeN/MbzJuCBxPkcV04C U3YAPIhVxLBHLilQa0wFdUNEHXOYj0X++Y/t5uCdjvxBrWY6jlksmCqTvfSra0WEf0JwSt8TE0EzK wEP+oIAyCPiC9hXxDRyoTpZ5/XZbiD1C4ObFAA0sfmv5eXZvKw/TNLom7gMLiXd7lTbsWqbyDFI/X K291bmaGB/NWfvnQ/Dk8HFpI/S0mY0H6xBkTDwc2WMj2rf+aye7utcTrUKYSp9ow0wds6IdIufOEz 7VtD410ssHNMhj0LOfLjvtodc5O44C3P3BKP+diQ7bAqEEqTiRJmdEzVKF6i/u79o+B5siUKHiKd8 JuVyY7ZQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x6pyX-00000009J3s-0jOW; Wed, 16 Sep 2026 13:47:01 +0000 Received: from smtpout-02.galae.net ([185.246.84.56]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x6py6-00000009Ik7-1NM2 for linux-arm-kernel@lists.infradead.org; Wed, 16 Sep 2026 13:46:44 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id C3A431A08D9; Wed, 16 Sep 2026 13:46:32 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 94B6A60337; Wed, 16 Sep 2026 13:46:32 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 2319A11C7B031; Wed, 16 Sep 2026 15:46:19 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1789566384; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=7JYe70QxeTzij/tSzgebCehRNZ/P8wl4nEuocul1G1A=; b=vJhCH9asXkMbC8mU6xmTlwqD3d1PepS3t3atiWwABctTcX4/6JCoCiilaYSJxmgap4i0Hi FXfV2kkY0Y/NGOdcwONJ8/Cs/n1L7aT5O8G7EGE9U6ZaiYr9SG8HdMfFZTC5w481G82zXL OHqg2kpZlol6boPgCn10aADQHClvGL1vonHyUHMfXx8pGKoK0oitXM8OItttDFNnT7giW2 +sXku2Cop9KZtsP+psuns7ZeRK4Y6dF9LSFXHS69y+Izo/1zhX+/iOI9EP6bXNokxbkzxz RGF7ForS3BiW6EPqxC3dVApq4tlkmUaXRP15Y0CJm3U+h2Mqxi7Hvmng86DhTA== From: Luca Ceresoli Date: Wed, 16 Sep 2026 15:45:30 +0200 Subject: [PATCH v3 06/19] drm/bridge: remove devm_drm_put_bridge() MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260916-drm-bridge-every-panel-v3-6-83afb4f1a707@bootlin.com> References: <20260916-drm-bridge-every-panel-v3-0-83afb4f1a707@bootlin.com> In-Reply-To: <20260916-drm-bridge-every-panel-v3-0-83afb4f1a707@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 , Jessica Zhang , Laurentiu Palcu , Lucas Stach , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Paul Cercueil , Paul Kocialkowski , Linus Walleij , Inki Dae , Jagan Teki , Marek Szyprowski , Sean Paul , Jonathan Corbet , Shuah Khan , Randy Dunlap Cc: Albert Esteve , Anusha Srivatsa , Dmitry Baryshkov , Hui Pu , Ian Ray , Thomas Petazzoni , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, asahi@lists.linux.dev, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-doc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Luca Ceresoli X-Mailer: b4 0.16.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260916_064637_342381_D972A1BE X-CRM114-Status: GOOD ( 11.19 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The deprecated devm_drm_put_bridge() function is not used anymore. Signed-off-by: Luca Ceresoli --- Documentation/gpu/todo.rst | 16 ---------------- drivers/gpu/drm/drm_bridge.c | 17 ----------------- include/drm/drm_bridge.h | 2 -- 3 files changed, 35 deletions(-) diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index b7351467dc74..cb0ce432c114 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -484,22 +484,6 @@ Contact: Douglas Anderson Level: Starter -Remove devm_drm_put_bridge() ----------------------------- - -Due to how the panel bridge handles the drm_bridge object lifetime, special -care must be taken to dispose of the drm_bridge object when the -panel_bridge is removed. This is currently managed using -devm_drm_put_bridge(), but that is an unsafe, temporary workaround. To fix -that, the DRM panel lifetime needs to be reworked. After the rework is -done, remove devm_drm_put_bridge() and the TODO in -drm_panel_bridge_remove(). - -Contact: Maxime Ripard , - Luca Ceresoli - -Level: Intermediate - Convert users of of_drm_find_bridge() to of_drm_find_and_get_bridge() --------------------------------------------------------------------- diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index 649f6b6ab5c8..632dccd79e91 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -1737,23 +1737,6 @@ struct drm_bridge *of_drm_get_bridge_by_endpoint(const struct device_node *np, EXPORT_SYMBOL_GPL(of_drm_get_bridge_by_endpoint); #endif -/** - * devm_drm_put_bridge - Release a bridge reference obtained via devm - * @dev: device that got the bridge via devm - * @bridge: pointer to a struct drm_bridge obtained via devm - * - * Same as drm_bridge_put() for bridge pointers obtained via devm functions - * such as devm_drm_bridge_alloc(). - * - * This function is a temporary workaround and MUST NOT be used. Manual - * handling of bridge lifetime is inherently unsafe. - */ -void devm_drm_put_bridge(struct device *dev, struct drm_bridge *bridge) -{ - devm_release_action(dev, drm_bridge_put_void, bridge); -} -EXPORT_SYMBOL(devm_drm_put_bridge); - static void drm_bridge_debugfs_show_bridge(struct drm_printer *p, struct drm_bridge *bridge, unsigned int idx, diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index 11c203391de5..9a688b20bc1e 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -1473,8 +1473,6 @@ void drm_bridge_hpd_disable(struct drm_bridge *bridge); void drm_bridge_hpd_notify(struct drm_bridge *bridge, enum drm_connector_status status); -void devm_drm_put_bridge(struct device *dev, struct drm_bridge *bridge); - void drm_bridge_debugfs_params(struct dentry *root); void drm_bridge_debugfs_encoder_params(struct dentry *root, struct drm_encoder *encoder); -- 2.55.0