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From: Rob Herring <robh@kernel.org>
To: Jernej Skrabec <jernej.skrabec@gmail.com>
Cc: andrzej.hajda@intel.com, neil.armstrong@linaro.org,
	rfoss@kernel.org, krzysztof.kozlowski+dt@linaro.org,
	wens@csie.org, samuel@sholland.org,
	Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se,
	airlied@gmail.com, daniel@ffwll.ch,
	dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev, linux-media@vger.kernel.org,
	hverkuil-cisco@xs4all.nl
Subject: Re: [PATCH 1/3] dt-bindings: display: synopsys,dw-hdmi: Add property for disabling CEC
Date: Tue, 18 Apr 2023 16:41:15 -0500	[thread overview]
Message-ID: <20230418214115.GA2376963-robh@kernel.org> (raw)
In-Reply-To: <20230415104613.61224-2-jernej.skrabec@gmail.com>

On Sat, Apr 15, 2023 at 12:46:11PM +0200, Jernej Skrabec wrote:
> Even though some DW-HDMI controllers have perfectly usable HDMI-CEC
> implementation, some boards might prefer not to use it or even use
> software implementation instead.
> 
> Add property for disabling CEC so driver doesn't expose unused CEC
> interface, if CEC pin isn't connected anywhere.

Isn't this all true for any bridge supporting CEC? Make this common.

> 
> Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
> ---
>  .../devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml b/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml
> index 4b7e54a8f037..624d32c024f6 100644
> --- a/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml
> @@ -48,6 +48,11 @@ properties:
>    interrupts:
>      maxItems: 1
>  
> +  snps,disable-cec:
> +    $ref: /schemas/types.yaml#/definitions/flag
> +    description:
> +      Disable HDMI-CEC.
> +
>  additionalProperties: true
>  
>  ...
> -- 
> 2.40.0
> 

  reply	other threads:[~2023-04-18 21:41 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-15 10:46 [PATCH 0/3] drm/bridge: dw_hdmi: allow to disable CEC from DT Jernej Skrabec
2023-04-15 10:46 ` [PATCH 1/3] dt-bindings: display: synopsys,dw-hdmi: Add property for disabling CEC Jernej Skrabec
2023-04-18 21:41   ` Rob Herring [this message]
2023-04-21  7:07     ` Hans Verkuil
2023-04-15 10:46 ` [PATCH 2/3] drm/bridge: dw_hdmi: Handle snps,disable-cec property Jernej Skrabec
2023-04-17 13:32   ` Robert Foss
2023-04-15 10:46 ` [PATCH 3/3] ARM: dts: sun8i: h3: beelink-x2: Disable DW-HDMI CEC Jernej Skrabec
2023-04-16 13:25   ` Laurent Pinchart
2023-04-16 13:31     ` Jernej Škrabec
2023-04-16 13:47       ` Laurent Pinchart

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