[PATCH 7/7] drm/amdgpu: preserve the num_links in case of reflection

[Alex Deucher]

From: Shiwu Zhang <shiwu.zhang at amd.com>

For topology reflection, each socket to every other socket has the
exactly same topology info as the other way around. So it is safe
to keep the reflected num_links value otherwise it will be overriden
by the link info output of GET_PEER_LINKS command.

Signed-off-by: Shiwu Zhang <shiwu.zhang at amd.com>
Reviewed-by: Le Ma <le.ma at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 4395c53d09d8..ea47012795e7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -1402,7 +1402,8 @@ int psp_xgmi_get_topology_info(struct psp_context *psp,
 			topology->nodes[i].num_links = get_extended_data ?
 					topology->nodes[i].num_links +
 							link_info_output->nodes[i].num_links :
-					link_info_output->nodes[i].num_links;
+					((requires_reflection && topology->nodes[i].num_links) ? topology->nodes[i].num_links :
+					 link_info_output->nodes[i].num_links);
 
 			/* reflect the topology information for bi-directionality */
 			if (requires_reflection && topology->nodes[i].num_hops)
-- 
2.40.1