[PATCH] drm/amdgpu: Enable SMU 13.0.0 optimizations when ROCm is active

[Alex Deucher]

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On Tue, Oct 3, 2023 at 6:47 PM Alex Deucher <alexander.deucher at amd.com> wrote:
>
> When ROCm is active enable additional SMU 13.0.0 optimizations.
> This reuses the unused powersave profile on PMFW.
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> index 38b5457baded..b6c0c42de725 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> @@ -714,6 +714,14 @@ void amdgpu_amdkfd_set_compute_idle(struct amdgpu_device *adev, bool idle)
>         amdgpu_dpm_switch_power_profile(adev,
>                                         PP_SMC_POWER_PROFILE_COMPUTE,
>                                         !idle);
> +       /* Add optimizations for SMU13.0.0.  Reuse the power saving profile */
> +       if ((amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 0)) &&
> +           ((adev->pm.fw_version == 0x004e6601) ||
> +            (adev->pm.fw_version >= 0x004e7300))) {
> +               amdgpu_dpm_switch_power_profile(adev,
> +                                               PP_SMC_POWER_PROFILE_POWERSAVING,
> +                                               !idle);
> +       }
>  }
>
>  bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid)
> --
> 2.41.0
>