linux-kernel - Re: [PATCH 0/4] arm64: dts: qcom: x1e80100: Add IRIS video codec

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: <54dbbb39-436b-4ef2-9eef-0c9676340cb0@linaro.org>
Date: Fri, 12 Sep 2025 09:05:38 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Stephan Gerhold <stephan.gerhold@...aro.org>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>,
 Vikash Garodia <vikash.garodia@....qualcomm.com>,
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Subject: Re: [PATCH 0/4] arm64: dts: qcom: x1e80100: Add IRIS video codec

On 11/09/2025 20:38, Stephan Gerhold wrote:
> Add the necessary definitions to enable the IRIS video codec for
> accelerated video decoding on the X1E CRD and Lenovo ThinkPad T14s. The
> additions are largely copied as-is from sm8550.dtsi with some minor changes
> necessary for X1E.
> 
> The PAS interface used to boot the IRIS firmware is not functional in EL2.
> The code to start it without using PAS exists already in the Venus driver,
> but was not ported over to IRIS yet. Discussions how to model the
> video-firmware IOMMU are still ongoing, so disable IRIS in x1-el2.dtso for
> now to avoid regressions when running in EL2.
> 
> Signed-off-by: Stephan Gerhold <stephan.gerhold@...aro.org>
> ---
> Stephan Gerhold (4):
>        arm64: dts: qcom: x1e80100: Add IRIS video codec
>        arm64: dts: qcom: x1-el2: Disable IRIS for now
>        arm64: dts: qcom: x1e80100-crd: Enable IRIS video codec
>        arm64: dts: qcom: x1e78100-lenovo-thinkpad-t14s: Enable IRIS
> 
>   arch/arm64/boot/dts/qcom/x1-el2.dtso               |  5 ++
>   .../dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi    |  5 ++
>   arch/arm64/boot/dts/qcom/x1e80100-crd.dts          |  4 +
>   arch/arm64/boot/dts/qcom/x1e80100.dtsi             | 87 ++++++++++++++++++++++
>   4 files changed, 101 insertions(+)
> ---
> base-commit: 8f21d9da46702c4d6951ba60ca8a05f42870fe8f
> change-id: 20250909-x1e-iris-dt-eb0494a130ca
> 
> Best regards,

Tested-by: Neil Armstrong <neil.armstrong@...aro.org> # on Thinkpad T14S OLED

Thanks,
Neil