linux-kernel - Re: [PATCH v3 08/24] drm/sun4i: Add support for traversing graph with TCON TOP

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Message-ID: <CAGb2v65+L9rTFZ4+zNXvCX4=Ni8mHzkFYCPK2GcBmTELh34Ojw@mail.gmail.com>
Date:   Thu, 28 Jun 2018 09:57:10 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Jernej Skrabec <jernej.skrabec@...l.net>
Cc:     Maxime Ripard <maxime.ripard@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>,
        David Airlie <airlied@...ux.ie>,
        Gustavo Padovan <gustavo@...ovan.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Sean Paul <seanpaul@...omium.org>,
        Mark Rutland <mark.rutland@....com>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [PATCH v3 08/24] drm/sun4i: Add support for traversing graph with
 TCON TOP

On Mon, Jun 25, 2018 at 8:02 PM, Jernej Skrabec <jernej.skrabec@...l.net> wrote:
> TCON TOP is different from other nodes in graph by having 3 input and 3
> output ports. Additionally, connection to TV TCON might lead back to
> HDMI mux input port, creating loops.
>
> Add support for traversing such graph.
>
> Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>

Reviewed-by: Chen-Yu Tsai <wens@...e.org>