linux-kernel - Re: [PATCH v2 2/2] arm64: dts: qcom: x1p42100-lenovo-thinkbook-16: add hdmi bridge with enable pin

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: <7c225148-63de-4264-a59d-c14237aef455@oss.qualcomm.com>
Date: Tue, 13 Jan 2026 15:43:08 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: jens.glathe@...schoolsolutions.biz,
        Bjorn Andersson
 <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Val Packett <val@...kett.cool>
Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: x1p42100-lenovo-thinkbook-16:
 add hdmi bridge with enable pin

On 1/3/26 10:00 AM, Jens Glathe via B4 Relay wrote:
> From: Jens Glathe <jens.glathe@...schoolsolutions.biz>
> 
> Add TLMM 120 for hdmi bridge enable.
> In general this is the same setup as on the T14s. Since its using simple-bridge
> and also is Lenovo, we also use the same realtek,rtd2171 compatible.
> The real chip identity is not known yet. The bridge is wired with un-swapped
> lanes, though.
> 
> Signed-off-by: Jens Glathe <jens.glathe@...schoolsolutions.biz>
> ---

[...]

>  .../boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts | 88 ++++++++++++++++++++++
>  1 file changed, 88 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts b/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts
> index b4a40904f0a01b36ff2fc72e801a5fe7d6971e2a..1e5eb8c5dc988c3c4655f0019e53fc19e0884e4e 100644
> --- a/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts
> +++ b/arch/arm64/boot/dts/qcom/x1p42100-lenovo-thinkbook-16.dts
> @@ -78,6 +78,47 @@ camera {
>  		vdd-supply = <&vreg_cam_5p0>;
>  	};
>  
> +	hdmi-bridge {
> +		compatible = "realtek,rtd2171";

Since we're not sure, a comment to draw attention to it would be neat

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad