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

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Message-ID: <cfdrv7mf24lm7tfcnlqkjeu3zyzzdphdgvvob2uhysiyofckn4@dz6q3xvydboc>
Date: Sun, 17 Dec 2023 11:46:17 -0600
From: Bjorn Andersson <andersson@...nel.org>
To: Luca Weiss <luca.weiss@...rphone.com>, 
	Mauro Carvalho Chehab <mchehab@...nel.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>, Konrad Dybcio <konrad.dybcio@...aro.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>, 
	~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 01, 2023 at 10:33:18AM +0100, 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>

Mauro, this series looks ready to be picked up. Can you please merge
this driver patch, so I can pick the two dts changes?

Thanks,
Bjorn

> ---
>  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 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",
>  };
>  
> 
> -- 
> 2.43.0
>