drm/amdkfd: report the numa weight between host and device over xgmi

GPUs connected to CPUs over xGMI are bidirectional so set weight by a
single hop both ways.

Signed-off-by: Jonathan Kim <jonathan.kim@amd.com>
Tested-by: Ramesh Errabolu <ramesh.errabolu@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
index c60e82697385d3d65870b67720fe7139510b919b..03c6cb51e51bebad7aebd9e0258ff9d5b7d20ab8 100644 (file)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
@@ -1140,6 +1140,7 @@ 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;
        }