linux-kernel - Re: [linux-sunxi] [PATCH 14/15] ARM: dts: sun8i: h3: Enable HDMI output on H3 boards

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Date:   Mon, 26 Feb 2018 17:16:44 +0100
From:   Jernej Škrabec <jernej.skrabec@...l.net>
To:     Julian Calaby <julian.calaby@...il.com>
Cc:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>, David Airlie <airlied@...ux.ie>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Michael Turquette <mturquette@...libre.com>, sboyd@...nel.org,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        devicetree <devicetree@...r.kernel.org>,
        "Mailing List, Arm" <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:COMMON CLK FRAMEWORK" <linux-clk@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [linux-sunxi] [PATCH 14/15] ARM: dts: sun8i: h3: Enable HDMI output on H3 boards

Hi Julian,

Dne nedelja, 25. februar 2018 ob 09:11:34 CET je Julian Calaby napisal(a):
> Hi Jernej,
> 
> On Sun, Feb 25, 2018 at 8:45 AM, Jernej Skrabec <jernej.skrabec@...l.net> 
wrote:
> > Enable HDMI output on all boards which have HDMI connector.
> > 
> > Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
> > ---
> > 
> >  arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts    | 25
> >  ++++++++++++++++++++++ arch/arm/boot/dts/sun8i-h3-beelink-x2.dts        
> >   | 25 ++++++++++++++++++++++
> >  arch/arm/boot/dts/sun8i-h3-libretech-all-h3-cc.dts | 25
> >  ++++++++++++++++++++++ arch/arm/boot/dts/sun8i-h3-nanopi-m1.dts         
> >   | 25 ++++++++++++++++++++++ arch/arm/boot/dts/sun8i-h3-orangepi-2.dts  
> >         | 25 ++++++++++++++++++++++
> >  arch/arm/boot/dts/sun8i-h3-orangepi-lite.dts       | 25
> >  ++++++++++++++++++++++ arch/arm/boot/dts/sun8i-h3-orangepi-one.dts      
> >   | 24 +++++++++++++++++++++ arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts  
> >        | 25 ++++++++++++++++++++++ 8 files changed, 199 insertions(+)
> 
> As I understand it, the H2+ is just a slightly trimmed down H3. In
> terms of HDMI support, the difference is that the H2+ can't output 4k.
> If this code is compatible with the H2+, could you please add the
> necessary bits and pieces to the h2-plus DTSs too?

There are only 3 H2+ boards in kernel and none of them has HDMI connector, so 
there's nothing to do actually. But if such board is added to kernel, it would 
be trivially add proper nodes, since all H2+ boards include H3 DTSI.

Best regards,
Jernej