linux-kernel - Re: [PATCH v7 09/10] arm64: dts: qcom: sc7180: Add support for HDCP in dp-controller

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Date:   Thu, 30 Mar 2023 11:31:38 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Mark Yacoub <markyacoub@...omium.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        seanpaul@...omium.org, suraj.kandpal@...el.com,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 09/10] arm64: dts: qcom: sc7180: Add support for HDCP
 in dp-controller

Hi,

On Fri, Mar 24, 2023 at 12:56 PM Mark Yacoub <markyacoub@...omium.org> wrote:
>
> From: Sean Paul <seanpaul@...omium.org>
>
> Add the register ranges required for HDCP key injection and
> HDCP TrustZone interaction as described in the dt-bindings for the
> sc7180 dp controller.
>
> Signed-off-by: Sean Paul <seanpaul@...omium.org>
> Signed-off-by: Mark Yacoub <markyacoub@...omium.org>
>
> ---
> Changes in v3:
> -Split off into a new patch containing just the dts change (Stephen)
> -Add hdcp compatible string (Stephen)
> Changes in v4:
> -Rebase on Bjorn's multi-dp patchset
> Changes in v5:
> -Put the tz register offsets in trogdor dtsi (Rob C)
> Changes in v6:
> -Rebased: Removed modifications in sc7180.dtsi as it's already upstream
> Changes in v7:
> -Change registers offset
>
>  arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> index 47f39c547c41a..63183ac9c3c48 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> @@ -816,6 +816,14 @@ &mdss_dp {
>         status = "okay";
>         pinctrl-names = "default";
>         pinctrl-0 = <&dp_hot_plug_det>;
> +
> +       reg = <0 0x0ae90000 0 0x200>,
> +             <0 0x0ae90200 0 0x200>,
> +             <0 0x0ae90400 0 0xc00>,
> +             <0 0x0ae91000 0 0x400>,
> +             <0 0x0ae91400 0 0x400>,
> +             <0 0x0aed1000 0 0x174>,
> +             <0 0x0aee1000 0 0x2c>;

Reviewed-by: Douglas Anderson <dianders@...omium.org>