[PATCH 2/5] drm/amdgpu/psp: Enable mode 0 reset for XGMI.

[Alex Deucher]

On Wed, Nov 21, 2018 at 1:10 PM Andrey Grodzovsky
<andrey.grodzovsky at amd.com> wrote:
>
> In case of active XGMI hive do mode 0 reset as requsted
> by design.
>
> Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky at amd.com>

I think we can drop this patch for now as well.  Maybe just add a
comment here about xgmi.

Alex

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> index e05dc66..befee12 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> @@ -733,7 +733,11 @@ int psp_gpu_reset(struct amdgpu_device *adev)
>         if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
>                 return 0;
>
> -       return psp_mode1_reset(&adev->psp);
> +
> +       if (adev->gmc.xgmi.num_physical_nodes > 1)
> +               return psp_mode0_reset(&adev->psp);
> +       else
> +               return psp_mode1_reset(&adev->psp);
>  }
>
>  static bool psp_check_fw_loading_status(struct amdgpu_device *adev,
> --
> 2.7.4
>
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