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[23.128.96.18]) by mx.google.com with ESMTP id q11si4104434edd.345.2021.10.27.23.35.25; Wed, 27 Oct 2021 23:35:48 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=kB6S9D3z; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229846AbhJ1Gfw (ORCPT + 99 others); Thu, 28 Oct 2021 02:35:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35346 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229762AbhJ1Gfv (ORCPT ); Thu, 28 Oct 2021 02:35:51 -0400 Received: from mail-oi1-x235.google.com (mail-oi1-x235.google.com [IPv6:2607:f8b0:4864:20::235]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CCF8C061570 for ; Wed, 27 Oct 2021 23:33:24 -0700 (PDT) Received: by mail-oi1-x235.google.com with SMTP id q124so6947200oig.3 for ; Wed, 27 Oct 2021 23:33:24 -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=012a/Vm5/ys3I7xHUTpKoav2CLUL7YSpnaZKJZYXlbU=; b=kB6S9D3z3JDO5QzXuz/0sV2WOSEVXZ2qgSY0IZnKfGAJcuUfZn8yCNPiCiar7BGtV6 p76fd7ObCQ41N8/bGr2+zEQdqFjOZb6RHaCKFtlNwaLIE9o7aFPPtECLa7F04KSjB4T0 unmdhb6IwfpxRslLEclYxHgHi9c7Ote5ZJZH8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:in-reply-to:references:from :user-agent:date:message-id:subject:to:cc; bh=012a/Vm5/ys3I7xHUTpKoav2CLUL7YSpnaZKJZYXlbU=; b=C075e8ec9cNQf75+7bAk7Mc22AOwLNgQ7PmNjfXpEDj8J+mjIbXtCpGodJhgOApusY dcMqlqNZIOTt439IGPelOlyKBNs7ogNtOnoiFxe999u6b3M6/qSgrV9bh0JF1xf3ypXJ SJ1NUXFDqMLmj/epUI7Y9/VCXZWmwTI3pV/eTqDSQJFfrJotTH6yDb7FasG91zvCpyfZ yxMUdBp2ScmOp6u/OaOigL7mBN3TMINer2cbUAi/VrJUu9DRMxCesct5iSFmj/G8g931 0EJWSUOeCK5lE+epznqIUBx2EapzsLPFED9mG0kkSVX3AkM/w3h44XkoFA7UkfZJFrj9 2isw== X-Gm-Message-State: AOAM532wsj/W0QgUMY3C0JIVP73uce3iUgyg+XP28P5M0UGPpdFRXyXc 8mHOA/Rdvq+5zntZKlH/gW9FYwYgeDcx2f2cXFjoYQ== X-Received: by 2002:a05:6808:a1d:: with SMTP id n29mr7024899oij.164.1635402804016; Wed, 27 Oct 2021 23:33:24 -0700 (PDT) Received: from 753933720722 named unknown by gmailapi.google.com with HTTPREST; Wed, 27 Oct 2021 23:33:23 -0700 MIME-Version: 1.0 In-Reply-To: <1635386088-18089-5-git-send-email-quic_sbillaka@quicinc.com> References: <1635386088-18089-1-git-send-email-quic_sbillaka@quicinc.com> <1635386088-18089-5-git-send-email-quic_sbillaka@quicinc.com> From: Stephen Boyd User-Agent: alot/0.9.1 Date: Wed, 27 Oct 2021 23:33:23 -0700 Message-ID: Subject: Re: [PATCH v3 4/6] drm/msm/dp: Enable downspread for supported DP sinks To: Sankeerth Billakanti , dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: robdclark@gmail.com, seanpaul@chromium.org, kalyan_t@codeaurora.org, abhinavk@codeaurora.org, dianders@chromium.org, khsieh@codeaurora.org, mkrishn@codeaurora.org, sbillaka@codeaurora.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Sankeerth Billakanti (2021-10-27 18:54:46) > The sc7280 eDP sink that supports downspread will fail link training > if source does not enable SSC / downspread. This change will set the > downspread bit in the DP sink if supported and indicate SSC support > to the DP PHY driver. > > Signed-off-by: Sankeerth Billakanti > --- Reviewed-by: Stephen Boyd