From patchwork Mon Mar 1 16:11:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 389530 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=-18.8 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, USER_AGENT_GIT autolearn=ham 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 4E118C433E0 for ; Mon, 1 Mar 2021 19:02:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1D958614A7 for ; Mon, 1 Mar 2021 19:02:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240851AbhCATB4 (ORCPT ); Mon, 1 Mar 2021 14:01:56 -0500 Received: from mail.kernel.org ([198.145.29.99]:57762 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240666AbhCASz7 (ORCPT ); Mon, 1 Mar 2021 13:55:59 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 119086520E; Mon, 1 Mar 2021 17:22:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614619323; bh=2LQY/qTDvgFKu0+Tpek0fuHdlZvYWJ3btvBgIRP2FTA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=P7nycRYKdvSZnUorI91J6gHtBlIjNyDe6D35wixEQGd5c3I4bnDy+Tel+pt4sgMTI hpaQdKAcqG9NMcbqBTQ8DF6/k8zxMEpxbAby97I2i+hU5Au50QsDgrRpXtAud2kUPP Gxszb8AqfOTDsQtcL6jIX86Tv+Rb4Yd+jE1xkR5o= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Stephen Boyd , Judy Hsiao , Rob Clark , Sasha Levin Subject: [PATCH 5.10 413/663] drm/msm/dp: trigger unplug event in msm_dp_display_disable Date: Mon, 1 Mar 2021 17:11:01 +0100 Message-Id: <20210301161202.308429137@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161141.760350206@linuxfoundation.org> References: <20210301161141.760350206@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Judy Hsiao [ Upstream commit c703d5789590935c573bbd080a2166b72d51a017 ] 1. Trigger the unplug event in msm_dp_display_disable() to shutdown audio properly. 2. Reset the completion before signal the disconnect event. Fixes: 158b9aa74479 ("drm/msm/dp: wait for audio notification before disabling clocks") Reviewed-by: Stephen Boyd Tested-by: Stephen Boyd Signed-off-by: Judy Hsiao Signed-off-by: Rob Clark Signed-off-by: Sasha Levin --- 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 fe0279542a1c2..a2db14f852f11 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -620,8 +620,8 @@ 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); @@ -840,6 +840,9 @@ 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");