From: Jonathan Kim <jonathan.kim@amd.com>
Date: Wed, 21 Apr 2021 19:08:18 +0000 (-0400)
Subject: drm/amdkfd: report the numa weight between host and device over xgmi
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=559f418ed663f43071457328b3ff18dfeb5bf2e6;p=linux.git

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 c60e82697385d..03c6cb51e51be 100644
--- 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;
 	}