From 6894305c97ceb56c0caa6f701516546a732af95f Mon Sep 17 00:00:00 2001 From: Andrey Grodzovsky Date: Mon, 24 Aug 2020 14:41:56 -0400 Subject: [PATCH] drm/amdgpu: Disable DPC for XGMI for now. XGMI support is more complicated than single device support as questions of synchronization between the device recovering from PCI error and other members of the hive are required. Leaving this for next round. Signed-off-by: Andrey Grodzovsky Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- 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 ab42d0088f574..36231fe9e4e5f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -4783,6 +4783,11 @@ 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; -- 2.30.2