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drm/amdkfd: report xgmi bandwidth between direct peers to the kfd

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Report the min/max bandwidth in megabytes to the kfd for direct
xgmi connections only.  Indirect peers will report 0 since
indirect route is unknown.

Signed-off-by: Jonathan Kim <jonathan.kim@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jonathan Kim
2021-05-12 12:30:41 -04:00
committed by Alex Deucher
parent 331e78187f
commit 3f46c4e9ce
5 changed files with 51 additions and 0 deletions
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12
drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
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@@ -486,6 +486,18 @@ int amdgpu_xgmi_get_hops_count(struct amdgpu_device *adev,
return -EINVAL;
}
int amdgpu_xgmi_get_num_links(struct amdgpu_device *adev,
struct amdgpu_device *peer_adev)
{
struct psp_xgmi_topology_info *top = &adev->psp.xgmi_context.top_info;
int i;
for (i = 0 ; i < top->num_nodes; ++i)
if (top->nodes[i].node_id == peer_adev->gmc.xgmi.node_id)
return top->nodes[i].num_links;
return -EINVAL;
}
int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
{
struct psp_xgmi_topology_info *top_info;