From: Bjorn Andersson <andersson@kernel.org>
To: Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Jens Glathe <jens.glathe@oldschoolsolutions.biz>
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 0/2] arm64: dts: qcom: x1p42100-lenovo-thinkbook-16: enable HDMI out
Date: Sat, 3 Jan 2026 10:02:56 -0600 [thread overview]
Message-ID: <176745617452.2631416.9462586772942497525.b4-ty@kernel.org> (raw)
In-Reply-To: <20260103-tb16-hdmi-v2-0-92b0930fa82e@oldschoolsolutions.biz>
On Sat, 03 Jan 2026 10:00:22 +0100, Jens Glathe wrote:
> This patch set enables the HDMI port on the Lenovo ThinkBook 16 G7 QOY.
> The definitions have been derived from the T14s device tree, with some
> necessary changes. The HDMI bridge seems to utilize the enable pin.
> The required GPIO was derived from the AeoB dump of the Windows GPU
> driver, and then actually guessed with comparision to pinctrl-x1e80100.c.
>
> Since the qmpphy involved is usb_1_ss2_qmpphy, and that usb_1_ss2 block
> is also used to operate the fingerprint reader, there's some possible
> interference. The explicit port configuration on usb_1_ss2_dwc3 minimizes
> this, however it works more reliable with the pipe_clk patch [1] that
> is discussed. Booting with HDMI cable cold-plugged results in the
> fingerprint reader not enumerating. Hot-plug and suspend doesn't kill it,
> though.
>
> [...]
Applied, thanks!
[1/2] arm64: dts: qcom: x1p42100-lenovo-thinkbook-16: force usb2-only mode on usb_1_ss2_dwc3
commit: 3802966a9c489708228b98b7265d8db87d8f6db3
[2/2] arm64: dts: qcom: x1p42100-lenovo-thinkbook-16: add hdmi bridge with enable pin
commit: 67ce203eee94946768397a6fa16c43ee5292f31a
Best regards,
--
Bjorn Andersson <andersson@kernel.org>
prev parent reply other threads:[~2026-01-03 16:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-03 9:00 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
2026-01-03 16:02 ` Bjorn Andersson [this message]
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