linux-kernel - Re: [PATCH v7 10/10] arm64: dts: qcom: sc7180-trogdor: Move panel under the bridge chip

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Message-ID: <CACRpkdbrmFS87xRRbwbU7J05bGDKmx5oJR880sr_ZA4KWKSKfA@mail.gmail.com>
Date:   Sat, 22 May 2021 12:40:39 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Douglas Anderson <dianders@...omium.org>
Cc:     Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Sam Ravnborg <sam@...nborg.org>,
        Stanislav Lisovskiy <stanislav.lisovskiy@...el.com>,
        Lyude Paul <lyude@...hat.com>,
        Thierry Reding <treding@...dia.com>,
        Stephen Boyd <swboyd@...omium.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        MSM <linux-arm-msm@...r.kernel.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        "open list:DRM PANEL DRIVERS" <dri-devel@...ts.freedesktop.org>,
        Rob Clark <robdclark@...omium.org>,
        Steev Klimaszewski <steev@...i.org>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 10/10] arm64: dts: qcom: sc7180-trogdor: Move panel
 under the bridge chip

On Mon, May 17, 2021 at 10:09 PM Douglas Anderson <dianders@...omium.org> wrote:

> Putting the panel under the bridge chip (under the aux-bus node)
> allows the panel driver to get access to the DP AUX bus, enabling all
> sorts of fabulous new features.
>
> While we're at this, get rid of a level of hierarchy for the panel
> node. It doesn't need "ports / port" and can just have a "port" child.
>
> For Linux, this patch has a hard requirement on the patches adding DP
> AUX bus support to the ti-sn65dsi86 bridge chip driver. See the patch
> ("drm/bridge: ti-sn65dsi86: Add support for the DP AUX bus").
>
> Signed-off-by: Douglas Anderson <dianders@...omium.org>

This is really looking good.
Acked-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij