[PATCH v4 00/10] Add PM policy interfaces

[Lazar, Lijo]

<ping>

On 5/14/2024 4:35 PM, Lijo Lazar wrote:
> This series adds APIs to get the supported PM policies and also set them. A PM
> policy type is a predefined policy type supported by an SOC and each policy may
> define two or more levels to choose from. A user can select the appropriate
> level through amdgpu_dpm_set_pm_policy() or through sysfs node pm_policy. Based
> on the specific PM functional area, multiple PM policies may be defined for an
> SOC For ex: a policy may be defined to set the right setting for XGMI per link
> power down feature and another may be defined to select the SOC Pstate
> preferences.
>  
> Presently, XGMI PLPD and SOC Pstate policy types are supported. It also removes
> the legacy sysfs interface to set XGMI PLPD as it is not used any client like
> SMI tool.
> 
> v2:
>  Add NULL checks to avoid access on SOCs which don't support any policy.
> 
> v3:
>  Rebase and add documentation patch
> 
> v4:
>  Use consistent policy type naming for read/write (Alex Deucher)
> 
> Lijo Lazar (10):
>   drm/amd/pm: Add support for DPM policies
>   drm/amd/pm: Update PMFW messages for SMUv13.0.6
>   drm/amd/pm: Add support to select pstate policy
>   drm/amd/pm: Add xgmi plpd policy to pm_policy
>   drm/amd/pm: Add xgmi plpd to SMU v13.0.6 pm_policy
>   drm/amd/pm: Add xgmi plpd to aldebaran pm_policy
>   drm/amd/pm: Add xgmi plpd to arcturus pm_policy
>   drm/amd/pm: Remove legacy interface for xgmi plpd
>   drm/amd/pm: Remove unused interface to set plpd
>   Documentation/amdgpu: Add PM policy documentation
> 
>  Documentation/gpu/amdgpu/thermal.rst          |   6 +
>  drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c      |   4 +-
>  .../gpu/drm/amd/include/kgd_pp_interface.h    |  17 ++
>  drivers/gpu/drm/amd/pm/amdgpu_dpm.c           |  32 ++--
>  drivers/gpu/drm/amd/pm/amdgpu_pm.c            | 136 ++++++++++++----
>  drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h       |   9 +-
>  drivers/gpu/drm/amd/pm/inc/amdgpu_pm.h        |   2 +-
>  drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c     | 113 +++++++++++--
>  drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h |  40 ++++-
>  .../pm/swsmu/inc/pmfw_if/smu_v13_0_6_ppsmc.h  |   3 +-
>  drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h  |   3 +-
>  .../gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c |  64 +++++---
>  .../drm/amd/pm/swsmu/smu13/aldebaran_ppt.c    |  59 ++++---
>  .../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c    |   2 +
>  .../drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c  | 153 +++++++++++++-----
>  drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c        |  57 +++++++
>  drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h        |   2 +
>  17 files changed, 533 insertions(+), 169 deletions(-)
>