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

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);