linux-kernel - Re: [PATCH v3 1/3] media: venus: core: Set up secure memory ranges for SC7280

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Date:   Mon, 11 Dec 2023 09:12:21 +0100
From:   "Luca Weiss" <luca.weiss@...rphone.com>
To:     "Luca Weiss" <luca.weiss@...rphone.com>,
        "Stanimir Varbanov" <stanimir.k.varbanov@...il.com>,
        "Vikash Garodia" <quic_vgarodia@...cinc.com>,
        "Bryan O'Donoghue" <bryan.odonoghue@...aro.org>,
        "Andy Gross" <agross@...nel.org>,
        "Bjorn Andersson" <andersson@...nel.org>,
        "Konrad Dybcio" <konrad.dybcio@...aro.org>,
        "Mauro Carvalho Chehab" <mchehab@...nel.org>,
        <cros-qcom-dts-watchers@...omium.org>,
        "Rob Herring" <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        "Conor Dooley" <conor+dt@...nel.org>,
        "Hans Verkuil" <hverkuil-cisco@...all.nl>
Cc:     <~postmarketos/upstreaming@...ts.sr.ht>,
        <phone-devel@...r.kernel.org>, <linux-media@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH v3 1/3] media: venus: core: Set up secure memory ranges
 for SC7280

On Fri Dec 1, 2023 at 10:33 AM CET, Luca Weiss wrote:
> Not all SC7280 devices ship with ChromeOS firmware. Other devices need
> PAS for image authentication. That requires the predefined virtual
> address ranges to be passed via scm calls. Define them to enable Venus
> on non-CrOS SC7280 devices.
>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
> Reviewed-by: Vikash Garodia <quic_vgarodia@...cinc.com>
> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
> ---
>  drivers/media/platform/qcom/venus/core.c | 4 ++++
>  1 file changed, 4 insertions(+)

Hi Hans,

Is there anything missing for this to be applied or could you pick this
up for v6.8?

Regards
Luca

>
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 9cffe975581b..a712dd4f02a5 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -881,6 +881,10 @@ static const struct venus_resources sc7280_res = {
>  	.vmem_size = 0,
>  	.vmem_addr = 0,
>  	.dma_mask = 0xe0000000 - 1,
> +	.cp_start = 0,
> +	.cp_size = 0x25800000,
> +	.cp_nonpixel_start = 0x1000000,
> +	.cp_nonpixel_size = 0x24800000,
>  	.fwname = "qcom/vpu-2.0/venus.mbn",
>  };
>