Re: [PATCH 2/3] media: iris: Skip SCM call for non-SCM PAS backend

[Konrad Dybcio]

On 9/11/26 2:38 PM, Sumit Garg wrote:
> From: Jorge Ramirez-Ortiz <jorge.ramirez@xxxxxxxxxxxxxxxx>
> 
> qcom_scm_mem_protect_video_var() is only serviced by the SCM backend;
> with OP-TEE the TEE owns secure memory protection. Use
> qcom_pas_get_backend() to issue the SCM call only for the SCM backend.
> 
> Assisted-by: Copilot:claude-opus-4.8
> Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez.ortiz@xxxxxxxxx>
> Co-developed-by: Sumit Garg <sumit.garg@xxxxxxxxxxxxxxxx>
> Signed-off-by: Sumit Garg <sumit.garg@xxxxxxxxxxxxxxxx>
> ---

[...]

> +	/*
> +	 * qcom_scm_mem_protect_video_var() only applies to the SCM backend;
> +	 * other backends (e.g. OP-TEE) own secure memory protection and do
> +	 * not service this call.

Can you not just stub it out in TF-A then?

Konrad