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drm/amdgpu: Hack xgmi topology info when there is no psp fw

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This is only needed on emulation platform where psp fw might
not be available, to hack xgmi topology info such as hive id and
node id.

v2: Add offset to hacked hive/node id
v3: Don't use introduce new module parameter.

Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Oak Zeng
2019-03-14 11:44:24 -05:00
committed by Alex Deucher
parent 0ad8c5e296
commit 2f2eab3acc
1 changed files with 16 additions and 11 deletions
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27
drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
View File

@@ -301,18 +301,23 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
if (!adev->gmc.xgmi.supported)
return 0;
ret = psp_xgmi_get_node_id(&adev->psp, &adev->gmc.xgmi.node_id);
if (ret) {
dev_err(adev->dev,
"XGMI: Failed to get node id\n");
return ret;
}
if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP)) {
ret = psp_xgmi_get_hive_id(&adev->psp, &adev->gmc.xgmi.hive_id);
if (ret) {
dev_err(adev->dev,
"XGMI: Failed to get hive id\n");
return ret;
}
ret = psp_xgmi_get_hive_id(&adev->psp, &adev->gmc.xgmi.hive_id);
if (ret) {
dev_err(adev->dev,
"XGMI: Failed to get hive id\n");
return ret;
ret = psp_xgmi_get_node_id(&adev->psp, &adev->gmc.xgmi.node_id);
if (ret) {
dev_err(adev->dev,
"XGMI: Failed to get node id\n");
return ret;
}
} else {
adev->gmc.xgmi.hive_id = 16;
adev->gmc.xgmi.node_id = adev->gmc.xgmi.physical_node_id + 16;
}
hive = amdgpu_get_xgmi_hive(adev, 1);