GPUs connected to CPUs over xGMI are bidirectional so set weight by a
single hop both ways.
Signed-off-by: Jonathan Kim <jonathan.kim@xxxxxxx>
Tested-by: Ramesh Errabolu <ramesh.errabolu@xxxxxxx>
---
drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
index eb30324393a8..ca90b710d76a 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
@@ -1789,6 +1789,7 @@ static int kfd_fill_gpu_direct_io_link_to_cpu(int *avail_size,
*/
sub_type_hdr->flags |= CRAT_IOLINK_FLAGS_BI_DIRECTIONAL;
sub_type_hdr->io_interface_type = CRAT_IOLINK_TYPE_XGMI;
+ sub_type_hdr->num_hops_xgmi = 1;
} else {
sub_type_hdr->io_interface_type = CRAT_IOLINK_TYPE_PCIEXPRESS;
}
--
2.17.1
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