[V3 0/7] A new set of Linux OD interfaces

Alex Deucher alexdeucher at gmail.com
Thu Aug 31 17:26:14 UTC 2023


For consistency with the other OD interface, we'd probably want an "r"
option to reset each attribute to the default state again.

Alex

On Wed, Aug 30, 2023 at 9:33 AM Alex Deucher <alexdeucher at gmail.com> wrote:
>
> Series is:
> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
>
> On Wed, Aug 30, 2023 at 2:35 AM Evan Quan <evan.quan at amd.com> wrote:
> >
> > The existing OD interface `pp_od_clk_voltage` is unable to meet the growing
> > demands for more OD functionalities. Since the buf used within it comes with
> > size limit as one page. With more OD functionalities added, we will hit that
> > limit soon.
> >
> > To better meet the growing demainds, a new set of OD interfaces are designed.
> > With this new design, there will be multiple interfaces exposed with each
> > representing a single OD functionality. And all those interfaces will be
> > arranged in a tree liked hierarchy as below. Meanwhile all functionalities
> > for the same component will be arranged under the same directory.
> >
> > gpu_od/
> > ├── fan_ctrl
> > │   ├── acoustic_limit_rpm_threshold
> > │   ├── acoustic_target_rpm_threshold
> > │   ├── fan_curve
> > │   ├── fan_minimum_pwm
> > │   ├── fan_target_temperature
> >
> > Evan Quan (7):
> >   drm/amd/pm: introduce a new set of OD interfaces
> >   drm/amdgpu: revise the device initialization sequences
> >   drm/amd/pm: add fan temperature/pwm curve OD setting support for SMU13
> >   drm/amd/pm: add fan acoustic limit OD setting support for SMU13
> >   drm/amd/pm: add fan acoustic target OD setting support for SMU13
> >   drm/amd/pm: add fan target temperature OD setting support for SMU13
> >   drm/amd/pm: add fan minimum pwm OD setting support for SMU13
> >
> >  Documentation/gpu/amdgpu/thermal.rst          |  30 +
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c    |  39 +-
> >  .../gpu/drm/amd/include/kgd_pp_interface.h    |  12 +-
> >  drivers/gpu/drm/amd/pm/amdgpu_pm.c            | 730 +++++++++++++++++-
> >  drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h       |  14 +
> >  drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c     |  10 +
> >  drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h  |   5 +
> >  .../drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c  | 298 ++++++-
> >  .../drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c  | 298 ++++++-
> >  9 files changed, 1411 insertions(+), 25 deletions(-)
> >
> > --
> > 2.34.1
> >


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