From patchwork Wed Apr 5 08:29:21 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffy Chen X-Patchwork-Id: 9664763 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C3B4B60353 for ; Wed, 5 Apr 2017 16:59:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B512A28178 for ; Wed, 5 Apr 2017 16:59:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A9EFE2859E; Wed, 5 Apr 2017 16:59:42 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7A2FC2858A for ; Wed, 5 Apr 2017 16:59:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9795D6E866; Wed, 5 Apr 2017 16:58:23 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from regular1.263xmail.com (regular1.263xmail.com [211.150.99.134]) by gabe.freedesktop.org (Postfix) with ESMTPS id 42B566E74F for ; Wed, 5 Apr 2017 08:30:35 +0000 (UTC) Received: from jeffy.chen?rock-chips.com (unknown [192.168.165.103]) by regular1.263xmail.com (Postfix) with ESMTP id C20FB8114; Wed, 5 Apr 2017 16:30:30 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from smtp.263.net (sg-smtp01.263.net [54.255.195.220]) by smtp.263.net (Postfix) with ESMTP id D8B6E434; Wed, 5 Apr 2017 16:29:52 +0800 (CST) Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 33536DF30C; Wed, 5 Apr 2017 16:29:52 +0800 (CST) X-RL-SENDER: jeffy.chen@rock-chips.com X-FST-TO: linux-kernel@vger.kernel.org X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: jeffy.chen@rock-chips.com X-UNIQUE-TAG: <9b039bd8fef2126265cd2d3cd36dccf6> X-ATTACHMENT-NUM: 0 X-SENDER: cjf@rock-chips.com X-DNS-TYPE: 0 Received: from localhost (unknown [103.29.142.67]) by smtp.263.net (Postfix) whith ESMTP id 12269HIODQP; Wed, 05 Apr 2017 16:29:53 +0800 (CST) From: Jeffy Chen To: linux-kernel@vger.kernel.org Subject: [PATCH v3 3/9] drm: bridge: analogix: Destroy connector when unbinding Date: Wed, 5 Apr 2017 16:29:21 +0800 Message-Id: <1491380967-28570-4-git-send-email-jeffy.chen@rock-chips.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1491380967-28570-1-git-send-email-jeffy.chen@rock-chips.com> References: <1491380967-28570-1-git-send-email-jeffy.chen@rock-chips.com> X-Mailman-Approved-At: Wed, 05 Apr 2017 16:58:17 +0000 Cc: Jeffy Chen , Caesar Wang , Tomeu Vizoso , Daniel Vetter , briannorris@chromium.org, dianders@chromium.org, dri-devel@lists.freedesktop.org, tfiga@chromium.org, zyw@rock-chips.com, Baoyou Xie X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Normally we do this in drm_mode_config_cleanup. But analogix dp's connector is allocated in bind, and freed after unbind. So we need to destroy it in unbind to avoid further access. Signed-off-by: Jeffy Chen Reviewed-by: Andrzej Hajda --- Changes in v3: None Changes in v2: None drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index 7b75f82..a96fd55 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -1439,6 +1439,7 @@ void analogix_dp_unbind(struct device *dev, struct device *master, struct analogix_dp_device *dp = dev_get_drvdata(dev); analogix_dp_bridge_disable(dp->bridge); + dp->connector.funcs->destroy(&dp->connector); if (dp->plat_data->panel) { if (drm_panel_unprepare(dp->plat_data->panel))