[PATCH 071/102] drm/amdgpu: skip get/update xgmi topology info when no psp exists
Alex Deucher
alexdeucher at gmail.com
Mon Jul 15 21:24:06 UTC 2019
From: Le Ma <le.ma at amd.com>
Signed-off-by: Le Ma <le.ma at amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 47 +++++++++++++-----------
1 file changed, 25 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index b024070ad1cf..41e648d56eca 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -296,7 +296,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
struct amdgpu_xgmi *entry;
struct amdgpu_device *tmp_adev = NULL;
- int count = 0, ret = -EINVAL;
+ int count = 0, ret = 0;
if (!adev->gmc.xgmi.supported)
return 0;
@@ -337,29 +337,32 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
top_info->num_nodes = count;
hive->number_devices = count;
- list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) {
- /* update node list for other device in the hive */
- if (tmp_adev != adev) {
- top_info = &tmp_adev->psp.xgmi_context.top_info;
- top_info->nodes[count - 1].node_id = adev->gmc.xgmi.node_id;
- top_info->num_nodes = count;
+ if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP)) {
+ list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) {
+ /* update node list for other device in the hive */
+ if (tmp_adev != adev) {
+ top_info = &tmp_adev->psp.xgmi_context.top_info;
+ top_info->nodes[count - 1].node_id =
+ adev->gmc.xgmi.node_id;
+ top_info->num_nodes = count;
+ }
+ ret = amdgpu_xgmi_update_topology(hive, tmp_adev);
+ if (ret)
+ goto exit;
}
- ret = amdgpu_xgmi_update_topology(hive, tmp_adev);
- if (ret)
- goto exit;
- }
- /* 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);
- 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;
+ /* 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);
+ 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;
+ }
}
}
--
2.20.1
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