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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56F5FC433F5 for ; Thu, 28 Oct 2021 06:33:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3FB6C61100 for ; Thu, 28 Oct 2021 06:33:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229881AbhJ1Gfv (ORCPT ); Thu, 28 Oct 2021 02:35:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35348 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229868AbhJ1Gfv (ORCPT ); Thu, 28 Oct 2021 02:35:51 -0400 Received: from mail-oi1-x231.google.com (mail-oi1-x231.google.com [IPv6:2607:f8b0:4864:20::231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 957FEC061745 for ; Wed, 27 Oct 2021 23:33:24 -0700 (PDT) Received: by mail-oi1-x231.google.com with SMTP id w193so6978967oie.1 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=DMzUQ2cYDnX6ChT+GtEknw160e6S2YIjcZ9MNCWwRgD4suk8NkhYK7fxyaBNB0buMR dN8qErnaSpqrn098+bscQhXt4ixpCxQQvCwMVfKD41Bk9RHFR9omBHfvkA21+Xzlqkab t7PZ+mc3MHbQSpOcDscdMSBmkuor+bHwJz2GqwW282sTHF2d1Fv3FfDy9ouRFh5m3r8L g+iEaP3+zMWXDXaO5bAAkpOdXnN2IJ6k7uHMCqp4Xg4OWNpMWHe92RtlT7xiz3ON2p15 wkwB8Ftt0XBXJzGMZGpqmxoRsPqHoYefnE/noJ/NWOuW5dwsR/P5LR06BGR66hcRYdma 07WA== X-Gm-Message-State: AOAM530QibBQmank038sTwzEXL9ybKTA3oS8VEfQ+0zkHNhHho7eldMy JxIPqxfEIJ5VpPArE8vYFQC7AADDEevjZauxeaIVJEaOvJE= X-Google-Smtp-Source: ABdhPJwKfcrcVbkDjjQUjrvG2947KpA9p0L4TJMaJtoUfNTXn8AL7+GfwN6Z13xYxPFcN24NqTGRjkARDf39SksmrAk= 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-arm-msm@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