From patchwork Mon Apr 12 17:02:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuogee Hsieh X-Patchwork-Id: 12198525 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 D42B4C433ED for ; Mon, 12 Apr 2021 17:03:32 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 74E9B6023C for ; Mon, 12 Apr 2021 17:03:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 74E9B6023C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EFDE389B69; Mon, 12 Apr 2021 17:03:31 +0000 (UTC) Received: from m43-7.mailgun.net (m43-7.mailgun.net [69.72.43.7]) by gabe.freedesktop.org (Postfix) with ESMTPS id 28E1789B69 for ; Mon, 12 Apr 2021 17:03:28 +0000 (UTC) DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1618247010; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=TTWM4MVoGT/Cank+4XgJKBM2sorLT1dJwiBEtujGX0o=; b=mb//kdkEhdXQORf4gmxSoIl6CWUi4JD89W6g+KYc6zMMOMlZ/47DM2bp7UeYdDFJe9N/q6xy kZ+VQp4aErG99Lq32pF3IxrzIwlB/5R3uUk2UuO6H+iSv2PhGvDIjQSFC/i3QdXwnEt49/e6 2jwlE9mRwjVAo3i+dSWIa/gf2Cs= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyJkOTU5ZSIsICJkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n06.prod.us-east-1.postgun.com with SMTP id 60747d54c06dd10a2d61e915 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 12 Apr 2021 17:03:16 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 61F09C43468; Mon, 12 Apr 2021 17:03:15 +0000 (UTC) Received: from khsieh-linux1.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: khsieh) by smtp.codeaurora.org (Postfix) with ESMTPSA id C5A36C43462; Mon, 12 Apr 2021 17:03:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org C5A36C43462 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=khsieh@codeaurora.org From: Kuogee Hsieh To: robdclark@gmail.com, sean@poorly.run, swboyd@chromium.org Subject: [PATCH 1/2] drm/msm/dp: check sink_count before update is_connected status Date: Mon, 12 Apr 2021 10:02:51 -0700 Message-Id: <1618246971-28754-1-git-send-email-khsieh@codeaurora.org> X-Mailer: git-send-email 2.7.4 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: airlied@linux.ie, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, abhinavk@codeaurora.org, khsieh@codeaurora.org, tanmay@codeaurora.org, aravindh@codeaurora.org, freedreno@lists.freedesktop.org MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" At pm_resume check link sisnk_count before update is_connected status base on HPD real time link status. Also print out error message only when either EV_CONNECT_PENDING_TIMEOUT or EV_DISCONNECT_PENDING_TIMEOUT happen. Signed-off-by: Kuogee Hsieh Reported-by: Stephen Boyd --- drivers/gpu/drm/msm/dp/dp_display.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 5a39da6..4992a049 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -587,7 +587,7 @@ static int dp_connect_pending_timeout(struct dp_display_private *dp, u32 data) state = dp->hpd_state; if (state == ST_CONNECT_PENDING) { - dp_display_enable(dp, 0); + DRM_ERROR("EV_CONNECT_PENDING_TIMEOUT error\n"); dp->hpd_state = ST_CONNECTED; } @@ -670,7 +670,7 @@ static int dp_disconnect_pending_timeout(struct dp_display_private *dp, u32 data state = dp->hpd_state; if (state == ST_DISCONNECT_PENDING) { - dp_display_disable(dp, 0); + DRM_ERROR("EV_DISCONNECT_PENDING_TIMEOUT error\n"); dp->hpd_state = ST_DISCONNECTED; } @@ -1272,7 +1272,7 @@ static int dp_pm_resume(struct device *dev) status = dp_catalog_link_is_connected(dp->catalog); - if (status) + if (status && dp->link->sink_count) dp->dp_display.is_connected = true; else dp->dp_display.is_connected = false;