From patchwork Thu Jan 28 02:17:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Judy Hsiao X-Patchwork-Id: 373513 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E21DC433E0 for ; Thu, 28 Jan 2021 02:18:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C580464D9F for ; Thu, 28 Jan 2021 02:18:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229528AbhA1CSo (ORCPT ); Wed, 27 Jan 2021 21:18:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55812 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229545AbhA1CSm (ORCPT ); Wed, 27 Jan 2021 21:18:42 -0500 Received: from mail-pg1-x542.google.com (mail-pg1-x542.google.com [IPv6:2607:f8b0:4864:20::542]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50655C061574 for ; Wed, 27 Jan 2021 18:18:02 -0800 (PST) Received: by mail-pg1-x542.google.com with SMTP id i7so3270597pgc.8 for ; Wed, 27 Jan 2021 18:18:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=M6xZQukm+CkMsW6GYQx3SquyaTLPH3j72H16IX2xsEM=; b=lGq5IhuzZfmx24uYWHzwbXwNkG0Knk79MCA+h6lkKcG9uLIBw7iHHlLcadtEXEcSNb ixl19ilEJTT+3kYs7bn1T3WUAKej01gtRif9Y3RV72ncmyqB/v9HXjko07yRRjLm1aK/ p9SfPtVvp8i2ZHd7Hr575p1/Uy+rhPB9UzXKs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=M6xZQukm+CkMsW6GYQx3SquyaTLPH3j72H16IX2xsEM=; b=l7GwiJLU+iqTsPEzaMPkFzfNEMzZJNWFc0B0O95m8D5SmA+ySvo0WmWFPSRvs1IQwp Ccj0kVthW8Euu+w47+Xk2XpqZiy0uXxUB9M0nEeq6l138iMjxgBJDkhBEptsU92L5H5T TxkUs68S8A8mDn4Wmw5oUXNCmcG/AAO0/2v/1JUQPLTQX93K+FwDwxvtYRp6QiBkh6OD FQPK+CG7zY8ZyxxnUryfkw6xbGflVc1JQs34aliTjLLln4FGZ4cNEhUYQheTdH+pySVk PFHljhWwCGzeXLofsfqiYVZoK/8Fo4HNzO+CXbcDEue603C6ZhIB4/YfiV1defnn6GVh DpKw== X-Gm-Message-State: AOAM532wPrDfao4QfitrnZpemIqPOBfYArXFuE/Jk3eVyVaf3E7oHGK6 BsE/FZ9WRRwwvN6WGzrMuMqpsA== X-Google-Smtp-Source: ABdhPJxWGqd7Knme1438Y32UV4uKZqCrSWv7RwnfynJSMW2KE+AWz0H1QgoM3o5FL+QOw+6l/d/ukQ== X-Received: by 2002:a05:6a00:15d2:b029:1b7:30c1:8495 with SMTP id o18-20020a056a0015d2b02901b730c18495mr13462477pfu.32.1611800281804; Wed, 27 Jan 2021 18:18:01 -0800 (PST) Received: from judyhsiao-p920.tpe.corp.google.com ([2401:fa00:1:10:a53b:f71a:ed56:92d8]) by smtp.gmail.com with ESMTPSA id 101sm3162508pjo.38.2021.01.27.18.17.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Jan 2021 18:18:00 -0800 (PST) From: Judy Hsiao X-Google-Original-From: Judy Hsiao To: linux-kernel@vger.kernel.org Cc: Mark Brown , Taniya Das , Rohit kumar , Banajit Goswami , Patrick Lai , Andy Gross , Bjorn Andersson , Liam Girdwood , Rob Herring , Jaroslav Kysela , Takashi Iwai , Srini Kandagatla , Stephan Gerhold , dianders@chromium.org, dgreid@chromium.org, cychiang@google.com, tzungbi@chromium.org, swboyd@chromium.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org, Judy Hsiao , Judy Hsiao Subject: [PATCH] drm/msm/dp: trigger unplug event in msm_dp_display_disable Date: Thu, 28 Jan 2021 10:17:53 +0800 Message-Id: <20210128021753.2560931-1-judyhsiao@google.com> X-Mailer: git-send-email 2.30.0.365.g02bc693789-goog MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 1. Trigger the unplug event in msm_dp_display_disable() to shutdown audio properly. 2. Reset the completion before signal the disconnect event. Signed-off-by: Judy Hsiao --- drivers/gpu/drm/msm/dp/dp_display.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 3bc7ed21de286..81f6794a25100 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -651,8 +651,8 @@ static int dp_hpd_unplug_handle(struct dp_display_private *dp, u32 data) dp_add_event(dp, EV_DISCONNECT_PENDING_TIMEOUT, 0, DP_TIMEOUT_5_SECOND); /* signal the disconnect event early to ensure proper teardown */ - dp_display_handle_plugged_change(g_dp_display, false); reinit_completion(&dp->audio_comp); + dp_display_handle_plugged_change(g_dp_display, false); dp_catalog_hpd_config_intr(dp->catalog, DP_DP_HPD_PLUG_INT_MASK | DP_DP_IRQ_HPD_INT_MASK, true); @@ -890,6 +890,9 @@ static int dp_display_disable(struct dp_display_private *dp, u32 data) /* wait only if audio was enabled */ if (dp_display->audio_enabled) { + /* signal the disconnect event */ + reinit_completion(&dp->audio_comp); + dp_display_handle_plugged_change(dp_display, false); if (!wait_for_completion_timeout(&dp->audio_comp, HZ * 5)) DRM_ERROR("audio comp timeout\n");