Re: [PATCH v2 1/3] dt-bindings: display: Add a property to deal with WiFi coexistence

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Hi maxime,

On Thu, 2020-10-29 at 14:40 +0100, Maxime Ripard wrote:
> The RaspberryPi4 has both a WiFi chip and HDMI outputs capable of doing
> 4k. Unfortunately, the 1440p resolution at 60Hz has a TMDS rate on the
> HDMI cable right in the middle of the first Wifi channel.
> 
> Add a property to our HDMI controller, that could be reused by other
> similar HDMI controllers, to allow the OS to take whatever measure is
> necessary to avoid that crosstalk.
> 
> Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
> 
> ---
> 
> Changes from v1:
>   - Renamed the property
>   - Split it into a separate patch
> ---
>  .../devicetree/bindings/display/brcm,bcm2711-hdmi.yaml      | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml b/Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml
> index 03a76729d26c..7ce06f9f9f8e 100644
> --- a/Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml
> +++ b/Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml
> @@ -76,6 +76,12 @@ properties:
>    resets:
>      maxItems: 1
>  
> +  wifi-2.4ghz-coexistence:

I see you already renamed the property, but I can't seem to find v1 of the
series online. Sorry if this is redundant:

I wonder if it'd make sense to prefix the property like this:
"raspberrypi,wifi-2.4ghz-coexistence." I tend to associate the lack of prefix
with generic properties, and also thought it was a rule. Although I may have as
well imagined it.

Other than that the series looks OK to me.

Regards,
Nicolas


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