linux-kernel - Re: [PATCH v2 1/2] dt-bindings: drm/bridge: anx7625: Revert DPI support

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Message-ID: <CAL_JsqLL9j77ym0ZTsBwsW==9E8x2jf7A-R-VaSE_yYR5Y=QJg@mail.gmail.com>
Date:   Tue, 8 Mar 2022 07:53:20 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Robert Foss <robert.foss@...aro.org>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Xin Ji <xji@...logixsemi.com>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Chen-Yu Tsai <wenst@...omium.org>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v2 1/2] dt-bindings: drm/bridge: anx7625: Revert DPI support

On Tue, Mar 8, 2022 at 3:49 AM Robert Foss <robert.foss@...aro.org> wrote:
>
> Revert DPI support from binding.
>
> DPI support relies on the bus-type enum which does not yet support
> Mipi DPI, since no v4l2_fwnode_bus_type has been defined for this
> bus type.
>
> When DPI for anx7625 was initially added, it assumed that
> V4L2_FWNODE_BUS_TYPE_PARALLEL was the correct bus type for
> representing DPI, which it is not.
>
> In order to prevent adding this mis-usage to the ABI, let's revert
> the support.
>
> Signed-off-by: Robert Foss <robert.foss@...aro.org>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> ---
>
> Changes since v1:
> - Rob: Instead of reverting the entire commit introducing this,
>        do a partial revert of only the relevant parts.
>
>  .../display/bridge/analogix,anx7625.yaml      | 19 +------------------
>  1 file changed, 1 insertion(+), 18 deletions(-)

Reviewed-by: Rob Herring <robh@...nel.org>