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

[Konrad Dybcio]

On 9/18/26 1:10 PM, Sumit Garg wrote:
> Hey Vikash,
> 
> On Thu, Sep 17, 2026 at 5:11 PM Vikash Garodia
> <vikash.garodia@xxxxxxxxxxxxxxxx> wrote:
>>
>> Hi Sumit,
>>
>> On 9/14/2026 11:44 AM, Sumit Garg wrote:
>>> Hey Konrad,

[...]

> The main disadvantage is that we don't want to carry these custom SCM
> ABIs per kernel subsystem with the open source TF-A/OP-TEE boot stack.
> ABIs always come with maintenance burdens, especially the custom ones
> we have in this case.
> 
> Since we started from scratch for the open source boot stack, the
> motivation is to keep the TZ ABI minimal and that too with
> discoverable OP-TEE services like the PAS service.

Okay, I can symphatize with that.

Let's think of another solution though, as a strcmp over the provider
name is 10x worse.

What is the planned replacement on the open boot stack side? FF-A lend?

Konrad