linux-kernel - Re: [PATCH 2/3] arm64: dts: qcom: Rework X1-based Asus Zenbook A14's displays

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

Message-ID: <e54daa39-ffb1-4f0e-82c6-42e45efe5044@oss.qualcomm.com>
Date: Fri, 12 Sep 2025 12:43:58 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Aleksandrs Vinarskis <alex@...arskis.com>,
        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,
        Jens Glathe <jens.glathe@...schoolsolutions.biz>
Subject: Re: [PATCH 2/3] arm64: dts: qcom: Rework X1-based Asus Zenbook A14's
 displays

On 9/8/25 8:45 PM, Aleksandrs Vinarskis wrote:
> The laptop comes in two variants:
> 
> * UX3407RA, higher end, FHD+ OLED or WOXGA+ OLED panels
> * UX3407QA, lower end, FHD+ OLED or FHD+ LCD panels
> 
> Even though all three panels work with "edp-panel", unfortunately the
> brightness adjustmenet of LCD panel is PWM based, requiring a dedicated
> device-tree. Convert "x1p42100-asus-zenbook-a14.dts" into ".dtsi" to
> allow for this split, introduce new LCD variant. Leave current variant
> without postfix and with the unchanged model name, as some distros
> (eg. Ubuntu) rely on this for automatic device-tree detection during
> kernel installation/upgrade.
> 
> As dedicated device-tree is required, update compatibles of OLED
> variants to correct ones. Keep "edp-panel" as fallback, since it is
> enough to make the panels work.
> 
> Signed-off-by: Aleksandrs Vinarskis <alex@...arskis.com>
> Co-developed-by: Jens Glathe <jens.glathe@...schoolsolutions.biz>
> Signed-off-by: Jens Glathe <jens.glathe@...schoolsolutions.biz>
> ---

[...]

> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/x1p42100-asus-zenbook-a14.dtsi
> @@ -0,0 +1,141 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2025 Qualcomm Innovation Center, Inc. All rights reserved.
> + * Copyright (c) 2025 Aleksandrs Vinarskis <alex@...arskis.com>
> + */
> +
> +/dts-v1/;
> +
> +#include "x1p42100.dtsi"
> +#include "x1-asus-zenbook-a14.dtsi"
> +
> +/delete-node/ &pmc8380_6;
> +/delete-node/ &pmc8380_6_thermal;
> +
> +/ {
> +	model = "ASUS Zenbook A14 (UX3407QA)";

'model' in .dtsi is 'eeeeh'

[...]

> +&remoteproc_adsp {
> +	firmware-name = "qcom/x1p42100/ASUSTeK/zenbook-a14/qcadsp8380.mbn",
> +			"qcom/x1p42100/ASUSTeK/zenbook-a14/adsp_dtbs.elf";
> +

are both of the aforementioned variants' firmwares the same?

Konrad