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From: Dragan Simic <dsimic@manjaro.org>
To: Chukun Pan <amadeus@jmu.edu.cn>
Cc: Heiko Stuebner <heiko@sntech.de>,
	Conor Dooley <conor+dt@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Rob Herring <robh@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] arm64: dts: rockchip: disable display subsystem only for Radxa E25
Date: Tue, 20 Aug 2024 16:28:07 +0200	[thread overview]
Message-ID: <16c70a037d912ec88eb9c082f35100c6@manjaro.org> (raw)
In-Reply-To: <20240820120020.469375-1-amadeus@jmu.edu.cn>

Hello Chukun,

On 2024-08-20 14:00, Chukun Pan wrote:
> The SoM board has reserved HDMI output, while the Radxa E25
> is not connected. So disable the display subsystem only for
> Radxa E25.
> 
> Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>

Looking good to me, thanks for the patch.  The carrier board is what's
responsible for exposing the actual HDMI port from the SoM.

Reviewed-by: Dragan Simic <dsimic@manjaro.org>

> ---
>  arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3i.dtsi | 4 ----
>  arch/arm64/boot/dts/rockchip/rk3568-radxa-e25.dts   | 4 ++++
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3i.dtsi
> b/arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3i.dtsi
> index 45b03dcbbad4..19d309654bdb 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3i.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3568-radxa-cm3i.dtsi
> @@ -108,10 +108,6 @@ &cpu3 {
>  	cpu-supply = <&vdd_cpu>;
>  };
> 
> -&display_subsystem {
> -	status = "disabled";
> -};
> -
>  &gpu {
>  	mali-supply = <&vdd_gpu>;
>  	status = "okay";
> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-radxa-e25.dts
> b/arch/arm64/boot/dts/rockchip/rk3568-radxa-e25.dts
> index 72ad74c38a2b..84a0789fad96 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3568-radxa-e25.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3568-radxa-e25.dts
> @@ -103,6 +103,10 @@ &combphy1 {
>  	phy-supply = <&vcc3v3_pcie30x1>;
>  };
> 
> +&display_subsystem {
> +	status = "disabled";
> +};
> +
>  &pcie2x1 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pcie20_reset_h>;

  reply	other threads:[~2024-08-20 14:28 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-20 12:00 [PATCH 1/1] arm64: dts: rockchip: disable display subsystem only for Radxa E25 Chukun Pan
2024-08-20 14:28 ` Dragan Simic [this message]
2024-08-28 15:14 ` Heiko Stuebner

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