linux-kernel - Re: [PATCH 1/4] arm64: dts: qcom: x1e80100: Add IRIS video codec

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Message-Id: <DCQ8G73ISXHC.3V03MOGB6NDZE@linaro.org>
Date: Thu, 11 Sep 2025 20:54:08 +0100
From: "Alexey Klimov" <alexey.klimov@...aro.org>
To: "Stephan Gerhold" <stephan.gerhold@...aro.org>
Cc: "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>,
 <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>, "Neil Armstrong" <neil.armstrong@...aro.org>
Subject: Re: [PATCH 1/4] arm64: dts: qcom: x1e80100: Add IRIS video codec

On Thu Sep 11, 2025 at 7:38 PM BST, Stephan Gerhold wrote:
> Add the IRIS video codec to accelerate video decoding/encoding. Copied
> mostly from sm8550.dtsi, only the opp-table is slightly different for X1E.
> For opp-240000000, we need to vote for a higher OPP on one of the power
> domains, because the voltage requirements for the PLL and the derived
> clocks differ (sm8550.dtsi has the same).
>
> Signed-off-by: Stephan Gerhold <stephan.gerhold@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/x1e80100.dtsi | 87 ++++++++++++++++++++++++++++++++++
>  1 file changed, 87 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> index ba602eddfb54616ad38205570bc56a1f0e62c023..d6914165d055cd0c0e80541267e2671c7432799e 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> +++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi


[..]

> +
> +			/*
> +			 * IRIS firmware is signed by vendors, only
> +			 * enable in boards where the proper signed firmware
> +			 * is available.
> +			 */

"enable on boards" please.

[..]

BR,
Alexey