Re: [PATCH 18/33] iris: vidc: hfi: add Host Firmware Interface (HFI)

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On 7/28/2023 9:28 PM, Bryan O'Donoghue wrote:
> On 28/07/2023 14:23, Vikash Garodia wrote:
>> +    rc = hfi_packet_sys_intraframe_powercollapse(core, core->packet,
>> +                             core->packet_size, enable);
>> +    if (rc)
>> +        return rc;
> 
> I'm 99.9999999999 % sure this is misnamed.
> 
> "Inter" means in-between two things.
> "Intra" means inside of one thing.
> 
> So "intraframe" means inside of one frame "interframe" would mean power
> collapsing in-between two frames, which is what I think this does.
> 
> And I'd still rather be adding inter-frame power-collapse to as many
> different versions of the existing silicon and new silicon as opposed to
> segregating it off in a new driver.
> 
> I'm assuming that more than sm8550 supports it since @ the end of the day
> this is a firmware feature to power-collapse during an active session when
> we aren't busy.
> 
You are actually 100% correct here, it is indeed inter frame power collapse,
Will rename this api with hfi_packet_sys_interframe_powercollapse

Thanks,
Dikshita
> ---
> bod



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