linux-kernel - Re: [PATCH 1/4] 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: <e7a39867-334b-4e17-a76e-1ee036a80daf@linaro.org>
Date: Fri, 12 Sep 2025 10:20:24 +0100
From: Bryan O'Donoghue <bryan.odonoghue@...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>,
 Neil Armstrong <neil.armstrong@...aro.org>
Subject: Re: [PATCH 1/4] arm64: dts: qcom: x1e80100: Add IRIS video codec

On 11/09/2025 19:38, 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
> @@ -5234,6 +5234,93 @@ usb_1_ss1_dwc3_ss: endpoint {
>   			};
>   		};
>   
> +		iris: video-codec@...0000 {
> +			compatible = "qcom,x1e80100-iris", "qcom,sm8550-iris";
> +
> +			reg = <0 0x0aa00000 0 0xf0000>;
> +			interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
> +
> +			power-domains = <&videocc VIDEO_CC_MVS0C_GDSC>,
> +					<&videocc VIDEO_CC_MVS0_GDSC>,
> +					<&rpmhpd RPMHPD_MXC>,
> +					<&rpmhpd RPMHPD_MMCX>;
> +			power-domain-names = "venus",
> +					     "vcodec0",
> +					     "mxc",
> +					     "mmcx";
> +			operating-points-v2 = <&iris_opp_table>;
> +
> +			clocks = <&gcc GCC_VIDEO_AXI0_CLK>,
> +				 <&videocc VIDEO_CC_MVS0C_CLK>,
> +				 <&videocc VIDEO_CC_MVS0_CLK>;
> +			clock-names = "iface",
> +				      "core",
> +				      "vcodec0_core";
> +
> +			interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
> +					 &config_noc SLAVE_VENUS_CFG QCOM_ICC_TAG_ACTIVE_ONLY>,
> +					<&mmss_noc MASTER_VIDEO QCOM_ICC_TAG_ALWAYS
> +					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
> +			interconnect-names = "cpu-cfg",
> +					     "video-mem";
> +
> +			memory-region = <&video_mem>;
> +
> +			resets = <&gcc GCC_VIDEO_AXI0_CLK_ARES>;
> +			reset-names = "bus";
> +
> +			iommus = <&apps_smmu 0x1940 0>,
> +				 <&apps_smmu 0x1947 0>;
> +			dma-coherent;
> +
> +			/*
> +			 * IRIS firmware is signed by vendors, only
> +			 * enable in boards where the proper signed firmware
> +			 * is available.
> +			 */
> +			status = "disabled";
> +
> +			iris_opp_table: opp-table {
> +				compatible = "operating-points-v2";
> +
> +				opp-192000000 {
> +					opp-hz = /bits/ 64 <192000000>;
> +					required-opps = <&rpmhpd_opp_low_svs_d1>,
> +							<&rpmhpd_opp_low_svs_d1>;
> +				};
> +
> +				opp-240000000 {
> +					opp-hz = /bits/ 64 <240000000>;
> +					required-opps = <&rpmhpd_opp_svs>,
> +							<&rpmhpd_opp_low_svs>;
> +				};
> +
> +				opp-338000000 {
> +					opp-hz = /bits/ 64 <338000000>;
> +					required-opps = <&rpmhpd_opp_svs>,
> +							<&rpmhpd_opp_svs>;
> +				};
> +
> +				opp-366000000 {
> +					opp-hz = /bits/ 64 <366000000>;
> +					required-opps = <&rpmhpd_opp_svs_l1>,
> +							<&rpmhpd_opp_svs_l1>;
> +				};
> +
> +				opp-444000000 {
> +					opp-hz = /bits/ 64 <444000000>;
> +					required-opps = <&rpmhpd_opp_nom>,
> +							<&rpmhpd_opp_nom>;
> +				};
> +
> +				opp-481000000 {
> +					opp-hz = /bits/ 64 <481000000>;
> +					required-opps = <&rpmhpd_opp_turbo>,
> +							<&rpmhpd_opp_turbo>;
> +				};
> +			};
> +		};
> +
>   		videocc: clock-controller@...0000 {
>   			compatible = "qcom,x1e80100-videocc";
>   			reg = <0 0x0aaf0000 0 0x10000>;
> 

Assuming /in/s//on/

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org> # x1e Inspiron 14p