linux-kernel - Re: [PATCH 3/4] dt-bindings: drm/bridge: anx7625: Change bus-type to 7 (DPI)

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Message-ID: <20220409044740.GA595530@anxtwsw-Precision-3640-Tower>
Date:   Sat, 9 Apr 2022 12:47:40 +0800
From:   Xin Ji <xji@...logixsemi.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Robert Foss <robert.foss@...aro.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, bliang@...logixsemi.com,
        qwen@...logixsemi.com, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] dt-bindings: drm/bridge: anx7625: Change bus-type to
 7 (DPI)

On Mon, Apr 04, 2022 at 12:52:14PM -0500, Rob Herring wrote:
> On Mon, Mar 28, 2022 at 08:09:54PM +0800, Xin Ji wrote:
> > Change bus-type define for DPI.
> > 
> > Fixes: a43661e7e819 ("dt-bindings:drm/bridge:anx7625:add vendor define")
> > 
> > Signed-off-by: Xin Ji <xji@...logixsemi.com>
> > ---
> >  .../devicetree/bindings/display/bridge/analogix,anx7625.yaml  | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
> > index 0d38d6fe3983..4590186c4a0b 100644
> > --- a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
> > +++ b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
> > @@ -106,7 +106,7 @@ properties:
> >                remote-endpoint: true
> >  
> >                bus-type:
> > -                enum: [1, 5]
> > +                enum: [7]
> 
> Changing is an ABI break, but didn't we revert adding this?
Hi Rob, sorry, what do you mean about ABI break? Do I need remove this
patch in this serial? Or do I need revert patch
https://patchwork.freedesktop.org/patch/462331/, I don't know how to do
it.

Thanks,
Xin
> 
> >                  default: 1
> >  
> >                data-lanes: true
> > @@ -158,7 +158,7 @@ examples:
> >                      reg = <0>;
> >                      anx7625_in: endpoint {
> >                          remote-endpoint = <&mipi_dsi>;
> > -                        bus-type = <5>;
> > +                        bus-type = <7>;
> >                          data-lanes = <0 1 2 3>;
> >                      };
> >                  };
> > -- 
> > 2.25.1
> > 
> >