From mboxrd@z Thu Jan 1 00:00:00 1970 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=-16.4 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, UNPARSEABLE_RELAY,URIBL_BLOCKED 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 43431C07E96 for ; Thu, 8 Jul 2021 07:03:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 213E661CC1 for ; Thu, 8 Jul 2021 07:03:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230436AbhGHHGK (ORCPT ); Thu, 8 Jul 2021 03:06:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34102 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229815AbhGHHGG (ORCPT ); Thu, 8 Jul 2021 03:06:06 -0400 Received: from mail-ot1-x335.google.com (mail-ot1-x335.google.com [IPv6:2607:f8b0:4864:20::335]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D9D9C06175F for ; Thu, 8 Jul 2021 00:03:24 -0700 (PDT) Received: by mail-ot1-x335.google.com with SMTP id h24-20020a9d64180000b029036edcf8f9a6so4913684otl.3 for ; Thu, 08 Jul 2021 00:03:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:in-reply-to:references:from:user-agent:date:message-id :subject:to:cc; bh=e6F7jpKZgLK0g03ikV1DlLAQGZ9FCDYcFLY+NH5H2aM=; b=Djs5afqAC6AxTyRA78ZOnar6Uy1KsZPKM46v6cMxRutda3qAl0rMc29SQFeYmcTVV2 bHQzlb7Hrg/3l8KKovEXvZw4Vu7s9Y0oqhDIseA7kQwbnhunBuh89Uf71cJDQKipvOhx acz2ky+Q04C+NbMI2SDQUCNXaauTAxxkQPI+g= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from :user-agent:date:message-id:subject:to:cc; bh=e6F7jpKZgLK0g03ikV1DlLAQGZ9FCDYcFLY+NH5H2aM=; b=pcItctsoSIew7gqE7BtwbTvkrbMM8dqDekjpHTx05lVPBhH9WLXsruDOeiiD+JZBsn lwglusDuuBw6qdNZgB6YXfwsTpDbBd8XHEFH093bgYiH7/jtzeezwT0wdAfpWQwVICc/ h03wunZfC3poIFNMLH2+YyOCDdgRUSZMs5uX0Jus825fzHOvte5BvenIoQVeN03Xrnrl U+mS4wdDwAHnRqncWIE5yrvuW2x60dvYAYmaLVR/9tQK1CDCFgz/Z45F76nd4L1CE6J8 ctDa/bue6Jf0ST/0BuYrMh8Vm+T8AeA0BffDSgTtCw+prrDuCiRsyy24p0/M0LjNEUdB JAOg== X-Gm-Message-State: AOAM533zuyV4sdWssnCrQGUAAx4I3+NaTuphZURSPs9XZYhERTwuahdy pjqiJ17DywvVYvZ4ZRPqeTJznwVfMx3rAtNoQoJwnA== X-Google-Smtp-Source: ABdhPJzv/+s+l3IZI9ThycAUNiy4ELjrN4eN6oM11SYrQzEXtZPCGXuXmoPGSwVp0XoUtbH4vMfH0qB1UZFeF4HeV1o= X-Received: by 2002:a9d:2781:: with SMTP id c1mr22106411otb.34.1625727803794; Thu, 08 Jul 2021 00:03:23 -0700 (PDT) Received: from 753933720722 named unknown by gmailapi.google.com with HTTPREST; Thu, 8 Jul 2021 07:03:23 +0000 MIME-Version: 1.0 In-Reply-To: <1625592020-22658-2-git-send-email-khsieh@codeaurora.org> References: <1625592020-22658-1-git-send-email-khsieh@codeaurora.org> <1625592020-22658-2-git-send-email-khsieh@codeaurora.org> From: Stephen Boyd User-Agent: alot/0.9.1 Date: Thu, 8 Jul 2021 07:03:23 +0000 Message-ID: Subject: Re: [PATCH 1/7] drm/msm/dp: use dp_ctrl_off_link_stream during PHY compliance test run To: Kuogee Hsieh , dri-devel@lists.freedesktop.org, robdclark@gmail.com, sean@poorly.run Cc: abhinavk@codeaurora.org, aravindh@codeaurora.org, airlied@linux.ie, daniel@ffwll.ch, bjorn.andersson@linaro.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Kuogee Hsieh (2021-07-06 10:20:14) > DP cable should always connect to DPU during the entire PHY compliance > testing run. Since DP PHY compliance test is executed at irq_hpd event > context, dp_ctrl_off_link_stream() should be used instead of dp_ctrl_off(). > dp_ctrl_off() is used for unplug event which is triggered when DP cable is > dis connected. > > Signed-off-by: Kuogee Hsieh > --- Is this Fixes: f21c8a276c2d ("drm/msm/dp: handle irq_hpd with sink_count = 0 correctly") or Fixes: c943b4948b58 ("drm/msm/dp: add displayPort driver support") ? It's not clear how dp_ctrl_off() was working for compliance tests before commit f21c8a276c2d. > drivers/gpu/drm/msm/dp/dp_ctrl.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c > index caf71fa..27fb0f0 100644 > --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c > +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c > @@ -1530,7 +1530,7 @@ static int dp_ctrl_process_phy_test_request(struct dp_ctrl_private *ctrl) > * running. Add the global reset just before disabling the > * link clocks and core clocks. > */ > - ret = dp_ctrl_off(&ctrl->dp_ctrl); > + ret = dp_ctrl_off_link_stream(&ctrl->dp_ctrl); > if (ret) { > DRM_ERROR("failed to disable DP controller\n"); > return ret;