[PATCH 1/2] drm/amd/pm: populate the bootup LCLK frequency

[Alex Deucher]

On Wed, Oct 14, 2020 at 1:20 AM Evan Quan <evan.quan at amd.com> wrote:
>
> As for other clock domains.
>
> Change-Id: I0a78c133f00cd11133bc755bf0443505088f024c
> Signed-off-by: Evan Quan <evan.quan at amd.com>

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h        | 1 +
>  drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c | 5 +++++
>  2 files changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
> index fafa9c57e32f..9fa9473d418f 100644
> --- a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
> +++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
> @@ -226,6 +226,7 @@ struct smu_bios_boot_up_values
>         uint32_t                        format_revision;
>         uint32_t                        content_revision;
>         uint32_t                        fclk;
> +       uint32_t                        lclk;
>  };
>
>  enum smu_table_id
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
> index a057d1d15087..fbf6d3e35173 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
> @@ -603,6 +603,11 @@ int smu_v11_0_get_vbios_bootup_values(struct smu_context *smu)
>                                                  (uint8_t)SMU11_SYSPLL1_2_ID,
>                                                  &smu->smu_table.boot_values.fclk);
>
> +       smu_v11_0_atom_get_smu_clockinfo(smu->adev,
> +                                        (uint8_t)SMU11_SYSPLL3_1_LCLK_ID,
> +                                        (uint8_t)SMU11_SYSPLL3_1_ID,
> +                                        &smu->smu_table.boot_values.lclk);
> +
>         return 0;
>  }
>
> --
> 2.28.0
>
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