linux-kernel - Re: [PATCH] media: venus: core: Set up secure memory ranges for SC7180

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Message-ID: <8adfa758ba13e70a3cd28a9c8a45738f@trvn.ru>
Date:   Fri, 16 Jun 2023 10:31:26 +0500
From:   Nikita Travkin <nikita@...n.ru>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     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>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: venus: core: Set up secure memory ranges for
 SC7180

Konrad Dybcio писал(а) 16.06.2023 04:36:
> Not all SC7180 devices ship with ChromeOS firmware. WoA devices use
> Android-like TZ, which uses 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 SC7180 devices.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>

This does indeed bring up the venus for me now. Thanks! 

Tested-by: Nikita Travkin <nikita@...n.ru> # Aspire 1

> ---
>  drivers/media/platform/qcom/venus/core.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 2ae867cb4c48..bee1b4c98060 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -760,6 +760,10 @@ static const struct venus_resources sc7180_res = {
>  	.vmem_size = 0,
>  	.vmem_addr = 0,
>  	.dma_mask = 0xe0000000 - 1,
> +	.cp_start = 0,
> +	.cp_size = 0x70800000,
> +	.cp_nonpixel_start = 0x1000000,
> +	.cp_nonpixel_size = 0x24800000,
>  	.fwname = "qcom/venus-5.4/venus.mdt",
>  };
>  
> 
> ---
> base-commit: 925294c9aa184801cc0a451b69a18dd0fe7d847d
> change-id: 20230616-topic-sc7180_venus_lawp-965e5fd18c7a
> 
> Best regards,