linux-kernel - Re: [PATCH v3 03/18] dt-bindings: msm: dsi-controller-main: Rename qcom,dsi-ctrl-6g-qcm2290 to qcom,qcm2290-dsi-ctrl

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Date:   Sat, 26 Nov 2022 15:36:35 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
        devicetree@...r.kernel.org
Cc:     robdclark@...il.com, quic_abhinavk@...cinc.com,
        dmitry.baryshkov@...aro.org, sean@...rly.run, airlied@...il.com,
        daniel@...ll.ch, robh+dt@...nel.org, dianders@...omium.org,
        david@...t.cz, krzysztof.kozlowski+dt@...aro.org,
        swboyd@...omium.org, konrad.dybcio@...ainline.org,
        agross@...nel.org, andersson@...nel.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 03/18] dt-bindings: msm: dsi-controller-main: Rename
 qcom,dsi-ctrl-6g-qcm2290 to qcom,qcm2290-dsi-ctrl

On 24/11/2022 01:47, Bryan O'Donoghue wrote:
> We will add in a number of compat strings to dsi-controller-main.yaml in
> the format "qcom,socname-dsi-ctrl" convert the currently unused
> qcom,dsi-ctrl-6g-qcm2290 to qcom,qcm2290-dsi-ctrl.

It is used: drivers/gpu/drm/msm/dsi/dsi.c

> 
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
> ---
>  .../devicetree/bindings/display/msm/dsi-controller-main.yaml    | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
> index cf782c5f5bdb0..67d08dc338925 100644
> --- a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
> +++ b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
> @@ -16,7 +16,7 @@ properties:
>    compatible:
>      enum:
>        - qcom,mdss-dsi-ctrl
> -      - qcom,dsi-ctrl-6g-qcm2290
> +      - qcom,qcm2290-dsi-ctrl

That's a bit surprising. Did we discuss it? It breaks the ABI, so I
doubt (driver/bindings were already upstreamed).

Best regards,
Krzysztof