Re: [PATCH] Platform/RaspberryPi4: Correct thermal offset

["Pete Batard" <pete@akeo.ie>]

It might be worth sourcing public documentation, if you have any, 
indicating where these numeric values ultimately come from (the offset 
for absolute zero is easy to figure out, but the rest, not so much).

Apart from that:

On 2020.09.10 00:11, Jeremy Linton wrote:
> The current mainline DT indicates that the thermal offset
> on the rpi is 410040 rather than the 419949 being used.
> This means our temp calculation is offset nearly 10C higher
> when running in ACPI mode vs DT.
> 
> Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
> ---
>   Platform/RaspberryPi/AcpiTables/Dsdt.asl | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Platform/RaspberryPi/AcpiTables/Dsdt.asl b/Platform/RaspberryPi/AcpiTables/Dsdt.asl
> index 2b9e8211cf..d116f965e1 100644
> --- a/Platform/RaspberryPi/AcpiTables/Dsdt.asl
> +++ b/Platform/RaspberryPi/AcpiTables/Dsdt.asl
> @@ -269,7 +269,7 @@ DefinitionBlock ("Dsdt.aml", "DSDT", 5, "RPIFDN", "RPI", 2)
>             Field (TEMS, DWordAcc, NoLock, Preserve) {
> 
>               TMPS, 32
> 
>             }
> 
> -          return (((419949 - ((TMPS & 0x3ff) * 487)) / 100) + 2732);
> 
> +          return (((410040 - ((TMPS & 0x3ff) * 487)) / 100) + 2732);
> 
>           }
> 
>           Method (_SCP, 3) { }               // receive cooling policy from OS
> 
>   
> 

Reviewed-by: Pete Batard <pete@akeo.ie>