[PATCH v3 7/8] drm/amdgpu: Disable DPC for XGMI for now.

[Andrey Grodzovsky]

XGMI support is more complicated then single device support as
questions of synchronization between the device recovering from
PCI error and other members 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 b31868a..fe720c2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4781,6 +4781,11 @@ 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