[AMD Official Use Only - General]

Reviewed-by: Evan Quan <[email protected]>

> -----Original Message-----
> From: amd-gfx <[email protected]> On Behalf Of
> Danijel Slivka
> Sent: Monday, May 9, 2022 7:47 PM
> To: [email protected]
> Cc: Slivka, Danijel <[email protected]>
> Subject: [PATCH] amdgpu/pm: Disallow managing power profiles on SRIOV
> for Sienna Cichlid
> 
> Managing power profiles mode is not allowed in SRIOV mode for Sienna
> Cichlid.
> This patch is adjusting the "pp_power_profile_mode" and
> "power_dpm_force_performance_level" accordingly.
> 
> Signed-off-by: Danijel Slivka <[email protected]>
> ---
>  drivers/gpu/drm/amd/pm/amdgpu_pm.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
> b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
> index 70a0aad05426..59a662aeaaf3 100644
> --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
> +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
> @@ -2025,6 +2025,8 @@ static int default_attr_update(struct
> amdgpu_device *adev, struct amdgpu_device_
>       } else if (DEVICE_ATTR_IS(pp_power_profile_mode)) {
>               if (amdgpu_dpm_get_power_profile_mode(adev, NULL) ==
> -EOPNOTSUPP)
>                       *states = ATTR_STATE_UNSUPPORTED;
> +             else if (gc_ver == IP_VERSION(10, 3, 0) &&
> amdgpu_sriov_vf(adev))
> +                     *states = ATTR_STATE_UNSUPPORTED;
>       }
> 
>       switch (gc_ver) {
> @@ -2038,6 +2040,13 @@ static int default_attr_update(struct
> amdgpu_device *adev, struct amdgpu_device_
>                       dev_attr->store = NULL;
>               }
>               break;
> +     case IP_VERSION(10, 3, 0):
> +             if (DEVICE_ATTR_IS(power_dpm_force_performance_level)
> &&
> +                 amdgpu_sriov_vf(adev)) {
> +                     dev_attr->attr.mode &= ~S_IWUGO;
> +                     dev_attr->store = NULL;
> +             }
> +             break;
>       default:
>               break;
>       }
> --
> 2.25.1

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