[PATCH] drm/amd/pm: Return auto perf level, if unsupported

[Alex Deucher]

On Tue, May 24, 2022 at 8:36 AM Lijo Lazar <lijo.lazar at amd.com> wrote:
>
> When powerplay is not enabled, return AUTO as default level.
>
> Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
> ---
>  drivers/gpu/drm/amd/pm/amdgpu_dpm.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
> index 5472f9936feb..d1bf073adf54 100644
> --- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
> +++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
> @@ -770,6 +770,9 @@ enum amd_dpm_forced_level amdgpu_dpm_get_performance_level(struct amdgpu_device
>         const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
>         enum amd_dpm_forced_level level;
>
> +       if (!pp_funcs)
> +               return AMD_DPM_FORCED_LEVEL_AUTO;

Maybe LOW?  Either way,
Acked-by: Alex Deucher <alexander.deucher at amd.com>

> +
>         mutex_lock(&adev->pm.mutex);
>         if (pp_funcs->get_performance_level)
>                 level = pp_funcs->get_performance_level(adev->powerplay.pp_handle);
> --
> 2.25.1
>