linux-kernel - Re: [PATCH] arm64: tegra: smaug: Enable DisplayPort via USB-C port

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <7a723cf9-700f-460e-a4a9-3d0e1e81ef07@tecnico.ulisboa.pt>
Date: Mon, 12 Jan 2026 13:45:33 +0000
From: Diogo Ivo <diogo.ivo@...nico.ulisboa.pt>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Thierry Reding
 <thierry.reding@...il.com>, Jonathan Hunter <jonathanh@...dia.com>
Cc: devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: tegra: smaug: Enable DisplayPort via USB-C port

Hello,

On 12/26/25 12:17, Diogo Ivo wrote:
> Enable both SOR and DPAUX modules allowing the USB-C port to transmit
> video in DP altmode. Tested on several monitors with USB-C to HDMI
> adapter.
> 
> Signed-off-by: Diogo Ivo <diogo.ivo@...nico.ulisboa.pt>
> ---
>   arch/arm64/boot/dts/nvidia/tegra210-smaug.dts | 12 ++++++++++++
>   1 file changed, 12 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
> index 49bf23d6f593..b88428aa831e 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
> +++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
> @@ -31,6 +31,11 @@ memory@...00000 {
>   	};
>   
>   	host1x@...00000 {
> +		dpaux1: dpaux@...40000 {
> +			vdd-supply = <&pp3300>;
> +			status = "okay";
> +		};
> +
>   		dsia: dsi@...00000 {
>   			avdd-dsi-csi-supply = <&vdd_dsi_csi>;
>   			status = "okay";
> @@ -58,6 +63,13 @@ link1: panel@0 {
>   			};
>   		};
>   
> +		sor1: sor@...80000 {
> +			avdd-io-hdmi-dp-supply = <&pp1800>;
> +			vdd-hdmi-dp-pll-supply = <&avddio_1v05>;
> +			nvidia,dpaux = <&dpaux1>;
> +			status = "okay";
> +		};
> +
>   		dpaux: dpaux@...c0000 {
>   			status = "okay";
>   		};
> 
> ---
> base-commit: c100317dc8c40c71bfb572353d87ca1735d39fd5
> change-id: 20251226-smaug-typec_dp-197201aaadae

Gentle ping on this patch.

Thank you,
Diogo