[PATCH v2 7/7] drm/amdgpu: Disable DPC for XGMI for now.

[Alex Deucher]

On Fri, Aug 28, 2020 at 12:06 PM Andrey Grodzovsky
<andrey.grodzovsky at amd.com> wrote:
>
> XGMI support is more complicated then single device support as
> questions synchronization between the device recovering from
> PCI error and other memebers of the hive is required.
> Leaving this for next round.
>
> Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky at amd.com>

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

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index 429167b..47e16baf 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -4782,6 +4782,11 @@ pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev, pci_channel_sta
>
>         DRM_INFO("PCI error: detected callback, state(%d)!!\n", state);
>
> +       if (adev->gmc.xgmi.num_physical_nodes > 1) {
> +               DRM_WARN("No support for XGMI hive yet...");
> +               return PCI_ERS_RESULT_DISCONNECT;
> +       }
> +
>         switch (state) {
>         case pci_channel_io_normal:
>                 return PCI_ERS_RESULT_CAN_RECOVER;
> --
> 2.7.4
>
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