[PATCH] drm/amdgpu: Fill adev->unique_id with data from PF2VF msg

[Alex Deucher]

On Fri, May 14, 2021 at 4:17 AM Jiawei Gu <Jiawei.Gu at amd.com> wrote:
>
> Initialize unique_id from PF2VF under virtualization.
>
> V2: skip smu_get_unique_id() under virtualization
>
> Signed-off-by: Jiawei Gu <Jiawei.Gu at amd.com>

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

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c  | 2 ++
>  drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 3 ++-
>  2 files changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> index a57842689d42..96e269cbe326 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> @@ -471,6 +471,8 @@ static int amdgpu_virt_read_pf2vf_data(struct amdgpu_device *adev)
>                         ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->feature_flags.all;
>                 adev->virt.reg_access =
>                         ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->reg_access_flags.all;
> +               adev->unique_id =
> +                       ((struct amd_sriov_msg_pf2vf_info *)pf2vf_info)->uuid;
>
>                 break;
>         default:
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> index 32dadeee9514..9243e5de5bb7 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> @@ -686,7 +686,8 @@ static int smu_late_init(void *handle)
>                 return ret;
>         }
>
> -       smu_get_unique_id(smu);
> +       if (!amdgpu_sriov_vf(adev))
> +               smu_get_unique_id(smu);
>
>         smu_get_fan_parameters(smu);
>
> --
> 2.17.1
>
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