linux-kernel - Re: [PATCH v7 02/10] dt-bindings: display: simple: List hpd properties in panel-simple

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Date:   Sat, 22 May 2021 12:38:21 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Doug Anderson <dianders@...omium.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        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>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Rob Clark <robdclark@...omium.org>,
        Steev Klimaszewski <steev@...i.org>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Thierry Reding <thierry.reding@...il.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 02/10] dt-bindings: display: simple: List hpd
 properties in panel-simple

On Tue, May 18, 2021 at 3:58 PM Doug Anderson <dianders@...omium.org> wrote:
> On Tue, May 18, 2021 at 5:42 AM Rob Herring <robh+dt@...nel.org> wrote:
> > On Mon, May 17, 2021 at 3:09 PM Douglas Anderson <dianders@...omium.org> wrote:
> > >
> > > These are described in panel-common.yaml but if I don't list them in
> > > panel-simple then I get yells when running 'dt_binding_check' in a
> > > future patch. List them along with other properties that seem to be
> > > listed in panel-simple for similar reasons.
> >
> > If you have HPD, is it still a simple panel? I don't see this as an
> > omission because the use of these properties for simple panels was
> > never documented IIRC.
>
> I would say so. It is currently supported by panel-simple in Linux. Of
> course, you could make the argument that panel-simple is no longer
> really "simple" because of things like this...

I think it should be renamed panel-panacea at this point. I think
I pointed it out before. But not my pick so I rest my case.

Yours,
Linus Walleij