diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 58 |
1 files changed, 50 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index 44d8c1a11e1b..9a95b9f226b8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -823,6 +823,28 @@ static int amdgpu_xgmi_initialize_hive_get_data_partition(struct amdgpu_hive_inf return 0; } +static void amdgpu_xgmi_fill_topology_info(struct amdgpu_device *adev, + struct amdgpu_device *peer_adev) +{ + struct psp_xgmi_topology_info *top_info = &adev->psp.xgmi_context.top_info; + struct psp_xgmi_topology_info *peer_info = &peer_adev->psp.xgmi_context.top_info; + + for (int i = 0; i < peer_info->num_nodes; i++) { + if (peer_info->nodes[i].node_id == adev->gmc.xgmi.node_id) { + for (int j = 0; j < top_info->num_nodes; j++) { + if (top_info->nodes[j].node_id == peer_adev->gmc.xgmi.node_id) { + peer_info->nodes[i].num_hops = top_info->nodes[j].num_hops; + peer_info->nodes[i].is_sharing_enabled = + top_info->nodes[j].is_sharing_enabled; + peer_info->nodes[i].num_links = + top_info->nodes[j].num_links; + return; + } + } + } + } +} + int amdgpu_xgmi_add_device(struct amdgpu_device *adev) { struct psp_xgmi_topology_info *top_info; @@ -897,18 +919,38 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) goto exit_unlock; } - /* get latest topology info for each device from psp */ - list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) { - ret = psp_xgmi_get_topology_info(&tmp_adev->psp, count, - &tmp_adev->psp.xgmi_context.top_info, false); + if (amdgpu_sriov_vf(adev) && + adev->psp.xgmi_context.xgmi_ta_caps & EXTEND_PEER_LINK_INFO_CMD_FLAG) { + /* only get topology for VF being init if it can support full duplex */ + ret = psp_xgmi_get_topology_info(&adev->psp, count, + &adev->psp.xgmi_context.top_info, false); if (ret) { - dev_err(tmp_adev->dev, + dev_err(adev->dev, "XGMI: Get topology failure on device %llx, hive %llx, ret %d", - tmp_adev->gmc.xgmi.node_id, - tmp_adev->gmc.xgmi.hive_id, ret); - /* To do : continue with some node failed or disable the whole hive */ + adev->gmc.xgmi.node_id, + adev->gmc.xgmi.hive_id, ret); + /* To do: continue with some node failed or disable the whole hive*/ goto exit_unlock; } + + /* fill the topology info for peers instead of getting from PSP */ + list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) { + amdgpu_xgmi_fill_topology_info(adev, tmp_adev); + } + } else { + /* get latest topology info for each device from psp */ + list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) { + ret = psp_xgmi_get_topology_info(&tmp_adev->psp, count, + &tmp_adev->psp.xgmi_context.top_info, false); + if (ret) { + dev_err(tmp_adev->dev, + "XGMI: Get topology failure on device %llx, hive %llx, ret %d", + tmp_adev->gmc.xgmi.node_id, + tmp_adev->gmc.xgmi.hive_id, ret); + /* To do : continue with some node failed or disable the whole hive */ + goto exit_unlock; + } + } } /* get topology again for hives that support extended data */ |