linux-kernel - Re: [PATCH v12 01/14] dt-bindings: mediatek,dpi: Add DP

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Date:   Mon, 20 Jun 2022 20:33:07 +0800
From:   Rex-BC Chen <rex-bc.chen@...iatek.com>
To:     Maxime Ripard <maxime@...no.tech>
CC:     <chunkuang.hu@...nel.org>, <p.zabel@...gutronix.de>,
        <daniel@...ll.ch>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <matthias.bgg@...il.com>,
        <airlied@...ux.ie>, <devicetree@...r.kernel.org>,
        <granquet@...libre.com>, <jitao.shi@...iatek.com>,
        <linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <msp@...libre.com>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        <linux-mediatek@...ts.infradead.org>, <wenst@...omium.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <angelogioacchino.delregno@...labora.com>
Subject: Re: [PATCH v12 01/14] dt-bindings: mediatek,dpi: Add DP_INTF
 compatible

On Mon, 2022-06-20 at 14:25 +0200, Maxime Ripard wrote:
> On Mon, Jun 20, 2022 at 08:10:15PM +0800, Bo-Chen Chen wrote:
> > From: Markus Schneider-Pargmann <msp@...libre.com>
> > 
> > DP_INTF is similar to DPI but does not have the exact same feature
> > set
> > or register layouts.
> > 
> > DP_INTF is the sink of the display pipeline that is connected to
> > the
> > DisplayPort controller and encoder unit. It takes the same clocks
> > as
> > DPI.
> > 
> > In this patch, we also do these string replacement:
> > - s/mediatek/MediaTek/ in title.
> > - s/Mediatek/MediaTek/ in description.
> > 
> > Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>
> > Signed-off-by: Guillaume Ranquet <granquet@...libre.com>
> > [Bo-Chen: Modify reviewers' comments.]
> > Signed-off-by: Bo-Chen Chen <rex-bc.chen@...iatek.com>
> > ---
> >  .../bindings/display/mediatek/mediatek,dpi.yaml       | 11 ++++++-
> > ----
> >  1 file changed, 6 insertions(+), 5 deletions(-)
> > 
> > diff --git
> > a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.y
> > aml
> > b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.y
> > aml
> > index 77ee1b923991..d72f74632038 100644
> > ---
> > a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.y
> > aml
> > +++
> > b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.y
> > aml
> > @@ -4,16 +4,16 @@
> >  $id: 
> > http://devicetree.org/schemas/display/mediatek/mediatek,dpi.yaml#
> >  $schema: http://devicetree.org/meta-schemas/core.yaml#
> >  
> > -title: mediatek DPI Controller Device Tree Bindings
> > +title: MediaTek DPI and DP_INTF Controller
> >  
> >  maintainers:
> >    - CK Hu <ck.hu@...iatek.com>
> >    - Jitao shi <jitao.shi@...iatek.com>
> >  
> >  description: |
> > -  The Mediatek DPI function block is a sink of the display
> > subsystem and
> > -  provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422 pixel data on a
> > parallel
> > -  output bus.
> > +  The MediaTek DPI and DP_INTF function blocks are a sink of the
> > display
> > +  subsystem and provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422
> > pixel data on a
> > +  parallel output bus.
> >  
> >  properties:
> >    compatible:
> > @@ -24,6 +24,7 @@ properties:
> >        - mediatek,mt8183-dpi
> >        - mediatek,mt8186-dpi
> >        - mediatek,mt8192-dpi
> > +      - mediatek,mt8195-dp_intf
> 
> Underscores are frowned upon in the compatibles. See Section 2.3.1 of
> the device tree spec:
> 
> > The compatible string should consist only of lowercase letters,
> > digits
> > and dashes, and should start with a letter. A single comma is
> > typically only used following a vendor prefix. Underscores should
> > not
> > be used.
> 
> Maxime

Hello Maxime,

Thanks for review.
I will modify this compatible as "mediatek,mt8195-dp-intf"

BRs,
Bo-Chen