Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1677194 > unrolled thread

Re: [PATCH 0/2] Make cppc acpi driver aware of pcc subspace ids

Back to article view | Back to linux.kernel

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.

Contents

  Re: [PATCH 0/2] Make cppc acpi driver aware of pcc subspace ids "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-06-28 23:30 +0200

#1677194 — Re: [PATCH 0/2] Make cppc acpi driver aware of pcc subspace ids

On Tuesday, June 13, 2017 02:17:09 PM George Cherian wrote:
> The current cppc acpi driver works with only one pcc subspace id.
> It maintains and registers only one pcc channel even if the acpi table has 
> different pcc subspace ids. 
> 
> As per ACPI 6.2 spec  all PCC registers, for all processors in the same 
> performance domain (as defined by _PSD), must be defined to be in the same
> subspace. The series tries to address the same by making cppc acpi driver 
> aware of multiple possible pcc subspace ids.
> 
> Patch 1 : In preparation to share the MAX_PCC_SUBSPACE definition with cppc acpi
>           driver
> Patch 2 : Make the cppc acpi driver aware of multiple pcc subspace ids.
> 
> 
> George Cherian (2):
>   mailbox: PCC: Move the MAX_PCC_SUBSPACES definition to header file
>   ACPI / CPPC: Make cppc acpi driver aware of pcc subspace ids
> 
>  drivers/acpi/cppc_acpi.c | 179 +++++++++++++++++++++++++----------------------
>  drivers/mailbox/pcc.c    |   1 -
>  include/acpi/pcc.h       |   1 +
>  3 files changed, 97 insertions(+), 84 deletions(-)

I need Ashwing and Prashanth to look at this series and let me know what they
think.

Thanks,
Rafael

[toc] | [standalone]

Back to top | Article view | linux.kernel

csiph-web