From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: jens.glathe@oldschoolsolutions.biz,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, Val Packett <val@packett.cool>
Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: x1p42100-lenovo-thinkbook-16: add hdmi bridge with enable pin
Date: Tue, 13 Jan 2026 15:43:08 +0100 [thread overview]
Message-ID: <7c225148-63de-4264-a59d-c14237aef455@oss.qualcomm.com> (raw)
In-Reply-To: <20260103-tb16-hdmi-v2-2-92b0930fa82e@oldschoolsolutions.biz>
On 1/3/26 10:00 AM, Jens Glathe via B4 Relay wrote:
> From: Jens Glathe <jens.glathe@oldschoolsolutions.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@oldschoolsolutions.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@oss.qualcomm.com>
Konrad
next prev parent reply other threads:[~2026-01-13 14:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-03 9:00 [PATCH v2 0/2] arm64: dts: qcom: x1p42100-lenovo-thinkbook-16: enable HDMI out Jens Glathe via B4 Relay
2026-01-03 9:00 ` [PATCH v2 1/2] arm64: dts: qcom: x1p42100-lenovo-thinkbook-16: force usb2-only mode on usb_1_ss2_dwc3 Jens Glathe via B4 Relay
2026-01-03 13:25 ` Dmitry Baryshkov
2026-01-03 9:00 ` [PATCH v2 2/2] arm64: dts: qcom: x1p42100-lenovo-thinkbook-16: add hdmi bridge with enable pin Jens Glathe via B4 Relay
2026-01-13 14:43 ` Konrad Dybcio [this message]
2026-01-03 16:02 ` [PATCH v2 0/2] arm64: dts: qcom: x1p42100-lenovo-thinkbook-16: enable HDMI out Bjorn Andersson
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