diff options
| author | Jonathan Kim <jonathan.kim@amd.com> | 2021-05-12 12:30:41 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-07-23 10:07:59 -0400 |
| commit | 3f46c4e9ce25bbcb9d619dbce57c8737c856b272 (patch) | |
| tree | 770486122e37b2b72b14c3a27f6b31b8f4005071 /drivers/gpu/drm/amd/amdkfd/kfd_crat.c | |
| parent | 331e78187f3a477145819912114b48219f9fa19a (diff) | |
drm/amdkfd: report xgmi bandwidth between direct peers to the kfd
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_crat.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c index c6b02aee4993..40ce6239c813 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c @@ -1989,6 +1989,13 @@ 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; + if (adev->asic_type == CHIP_ALDEBARAN) { + sub_type_hdr->minimum_bandwidth_mbs = + amdgpu_amdkfd_get_xgmi_bandwidth_mbytes( + kdev->kgd, NULL, true); + sub_type_hdr->maximum_bandwidth_mbs = + sub_type_hdr->minimum_bandwidth_mbs; + } } else { sub_type_hdr->io_interface_type = CRAT_IOLINK_TYPE_PCIEXPRESS; } @@ -2033,6 +2040,11 @@ static int kfd_fill_gpu_xgmi_link_to_gpu(int *avail_size, sub_type_hdr->proximity_domain_to = proximity_domain_to; sub_type_hdr->num_hops_xgmi = amdgpu_amdkfd_get_xgmi_hops_count(kdev->kgd, peer_kdev->kgd); + sub_type_hdr->maximum_bandwidth_mbs = + amdgpu_amdkfd_get_xgmi_bandwidth_mbytes(kdev->kgd, peer_kdev->kgd, false); + sub_type_hdr->minimum_bandwidth_mbs = sub_type_hdr->maximum_bandwidth_mbs ? + amdgpu_amdkfd_get_xgmi_bandwidth_mbytes(kdev->kgd, NULL, true) : 0; + return 0; } |