Re: [PATCH v9 1/5] dt-bindings: display: Add support for Intel KeemBay Display

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On Tue, Oct 13, 2020 at 12:24:38AM +0000, Chrisanthus, Anitha wrote:
> Hi Neil,
> 
>  Thanks for your review, please see my reply inline.
> 
> > -----Original Message-----
> > From: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
> > Sent: Friday, October 9, 2020 2:10 AM
> > To: Chrisanthus, Anitha <anitha.chrisanthus@xxxxxxxxx>; dri-
> > devel@xxxxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; Vetter, Daniel
> > <daniel.vetter@xxxxxxxxx>
> > Cc: Dea, Edmund J <edmund.j.dea@xxxxxxxxx>; sam@xxxxxxxxxxxx
> > Subject: Re: [PATCH v9 1/5] dt-bindings: display: Add support for Intel
> > KeemBay Display
> > 
> > Hi,
> > 
> > On 09/10/2020 03:03, Anitha Chrisanthus wrote:
> > > This patch adds bindings for Intel KeemBay Display
> > >
> > > v2: review changes from Rob Herring
> > >
> > > Signed-off-by: Anitha Chrisanthus <anitha.chrisanthus@xxxxxxxxx>
> > > ---
> > >  .../bindings/display/intel,keembay-display.yaml    | 99
> > ++++++++++++++++++++++
> > >  1 file changed, 99 insertions(+)
> > >  create mode 100644
> > Documentation/devicetree/bindings/display/intel,keembay-display.yaml
> > >
> > > diff --git a/Documentation/devicetree/bindings/display/intel,keembay-
> > display.yaml b/Documentation/devicetree/bindings/display/intel,keembay-
> > display.yaml
> > > new file mode 100644
> > > index 0000000..a38493d
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/display/intel,keembay-
> > display.yaml
> > > @@ -0,0 +1,99 @@
> > > +# SPDX-License-Identifier: GPL-2.0-only
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/display/intel,keembay-
> > display.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: Devicetree bindings for Intel Keem Bay display controller
> > > +
> > > +maintainers:
> > > +  - Anitha Chrisanthus <anitha.chrisanthus@xxxxxxxxx>
> > > +  - Edmond J Dea <edmund.j.dea@xxxxxxxxx>
> > > +
> > > +properties:
> > > +  compatible:
> > > +    const: intel,kmb_display
> > > +
> > > +  reg:
> > > +    items:
> > > +      - description: Lcd registers range
> > > +      - description: Mipi registers range
> > 
> > Looking at the registers, the MIPI transceiver seems to be a separate IP,
> > same for D-PHY which should have a proper PHY driver instead of beeing
> > handled
> > here.
> > 
> The LCD, MIPI DSI, DPHY and MSSCAM as a group, are considered the 
> display subsystem for Keem Bay. As such, there are several 
> interdependencies that make splitting them up next to impossible and 

Please detail what those inter-dependencies are. It's doubtful that you 
have anything we have not had to deal with in other SoCs.

> currently we do not have the resources available for that effort.

That is certainly not justification for accepting this.

Rob



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