linux-kernel - Re: [PATCH] arm64: tegra: Enable NVDEC and NVENC on Tegra210

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Message-ID: <CALHNRZ_KcJmoUp68a1NZau_KAMRczNbtiQ3cbXi7ET-vO=9uhw@mail.gmail.com>
Date: Mon, 20 Oct 2025 14:35:54 -0500
From: Aaron Kling <webgeek1234@...il.com>
To: webgeek1234@...il.com
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Thierry Reding <thierry.reding@...il.com>, 
	Jonathan Hunter <jonathanh@...dia.com>, devicetree@...r.kernel.org, 
	linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: tegra: Enable NVDEC and NVENC on Tegra210

On Sat, Aug 16, 2025 at 1:03 AM Aaron Kling via B4 Relay
<devnull+webgeek1234.gmail.com@...nel.org> wrote:
>
> From: Aaron Kling <webgeek1234@...il.com>
>
> The other engines are already enabled, finish filling out the media
> engine nodes and power domains.
>
> Signed-off-by: Aaron Kling <webgeek1234@...il.com>
> ---
>  arch/arm64/boot/dts/nvidia/tegra210.dtsi | 28 ++++++++++++++++++++++++++--
>  1 file changed, 26 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
> index 402b0ede1472af625d9d9e811f5af306d436cc98..80d7571d0350205b080bcf48b8b8e2c1b93227f2 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
> @@ -277,13 +277,25 @@ dsib: dsi@...00000 {
>                 nvdec@...80000 {
>                         compatible = "nvidia,tegra210-nvdec";
>                         reg = <0x0 0x54480000 0x0 0x00040000>;
> -                       status = "disabled";
> +                       clocks = <&tegra_car TEGRA210_CLK_NVDEC>;
> +                       clock-names = "nvdec";
> +                       resets = <&tegra_car 194>;
> +                       reset-names = "nvdec";
> +
> +                       iommus = <&mc TEGRA_SWGROUP_NVDEC>;
> +                       power-domains = <&pd_nvdec>;
>                 };
>
>                 nvenc@...c0000 {
>                         compatible = "nvidia,tegra210-nvenc";
>                         reg = <0x0 0x544c0000 0x0 0x00040000>;
> -                       status = "disabled";
> +                       clocks = <&tegra_car TEGRA210_CLK_NVENC>;
> +                       clock-names = "nvenc";
> +                       resets = <&tegra_car 219>;
> +                       reset-names = "nvenc";
> +
> +                       iommus = <&mc TEGRA_SWGROUP_NVENC>;
> +                       power-domains = <&pd_nvenc>;
>                 };
>
>                 tsec@...00000 {
> @@ -894,6 +906,18 @@ pd_audio: aud {
>                                 #power-domain-cells = <0>;
>                         };
>
> +                       pd_nvenc: mpe {
> +                               clocks = <&tegra_car TEGRA210_CLK_NVENC>;
> +                               resets = <&tegra_car 219>;
> +                               #power-domain-cells = <0>;
> +                       };
> +
> +                       pd_nvdec: nvdec {
> +                               clocks = <&tegra_car TEGRA210_CLK_NVDEC>;
> +                               resets = <&tegra_car 194>;
> +                               #power-domain-cells = <0>;
> +                       };
> +
>                         pd_sor: sor {
>                                 clocks = <&tegra_car TEGRA210_CLK_SOR0>,
>                                          <&tegra_car TEGRA210_CLK_SOR1>,
>
> ---
> base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585
> change-id: 20250814-tegra210-media-enable-576bb6a34b5c
>
> Best regards,
> --
> Aaron Kling <webgeek1234@...il.com>

Reminder to review or pick up this patch.

Aaron