[edk2-devel] [edk2-platforms][PATCH V3 08/14] Platform/Sgi: ACPI PPTT table for RD-E1-Edge platform

[Pranav Madhu]

Hi Sami,

Please find my response:

>
> Hi Pranav,
>
> Please find my response inline marked [SAMI].
>
> Regards,
>
> Sami Mujawar
>
>
> On 10/05/2021 09:06 PM, Pranav Madhu wrote:
> > The RD-E1-Edge platform includes two clusters with eight multi-thread
> > CPUs. Each of the CPUs include 32KB L1 Data cache, 32KB L1 Instruction
> > cache and 256KB L2 cache. Each cluster includes a 2MB L3 cache. The
> > platform also includes a system level cache of 8MB. Add PPTT table for
> > RD-E1-Edge platform with this information.
> >

<...>

> \
> > +      PPTT_PROCESSOR_CLUSTER_THREADED_FLAGS,       /* Flag */
> \
> [SAMI] I see that PPTT_PROCESSOR_CLUSTER_THREADED_FLAGS sets the
> ACPI ID flag to invalid. Is there a reason for doing this?
> Also, it looks like the DSDT for RD-E1-Edge platform does not have the
> clusters definitions. Am I missing something here?
> Can you take a look, please?
> [/SAMI]

ACPI CPU container (ACPI0010) is introduced to support combined idles state for CPU core and container. Idle states are not supported for RDE1, and hence container is not added.

> > +      OFFSET_OF
> (EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE,             \

<...>

Regards,
Pranav
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