Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756920AbdDFMcq (ORCPT ); Thu, 6 Apr 2017 08:32:46 -0400 Received: from regular1.263xmail.com ([211.150.99.130]:49112 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756841AbdDFMca (ORCPT ); Thu, 6 Apr 2017 08:32:30 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 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: X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: Jeffy Chen To: linux-kernel@vger.kernel.org Cc: briannorris@chromium.org, dianders@chromium.org, tfiga@chromium.org, seanpaul@chromium.org, zyw@rock-chips.com, mark.yao@rock-chips.com, Jeffy Chen , Yakir Yang , Tomeu Vizoso , dri-devel@lists.freedesktop.org, Marek Vasut , David Airlie , Archit Taneja Subject: [PATCH v5 04/12] drm: bridge: analogix: Destroy connector & encoder when unbinding Date: Thu, 6 Apr 2017 20:31:17 +0800 Message-Id: <1491481885-13775-5-git-send-email-jeffy.chen@rock-chips.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1491481885-13775-1-git-send-email-jeffy.chen@rock-chips.com> References: <1491481885-13775-1-git-send-email-jeffy.chen@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1220 Lines: 35 Normally we do this in drm_mode_config_cleanup. But: 1/ analogix dp's connector is allocated in bind, and freed after unbind. So we need to destroy it in unbind to avoid further access. 2/ the drm bridge is attached in bind, and detached in encoder cleanup. So we need to destroy encoder in unbind. Signed-off-by: Jeffy Chen --- Changes in v5: None Changes in v4: Address Andrzej Hajda 's comments. Changes in v3: None Changes in v2: None drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index d05ade4..4c758ed 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -1439,6 +1439,8 @@ 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); + dp->encoder->funcs->destroy(dp->encoder); if (dp->plat_data->panel) { if (drm_panel_unprepare(dp->plat_data->panel)) -- 2.1.4