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authorOak Zeng <Oak.Zeng@amd.com>2019-03-14 11:44:24 -0500
committerAlex Deucher <alexander.deucher@amd.com>2019-07-18 14:18:04 -0500
commit2f2eab3acc3c8b37d1cdbf00a441373a973690a9 (patch)
treef2c8b48665c3d1c0ea158f3d4c24f2d2f68072c3 /drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
parent0ad8c5e296fc9ee04e9e918e05f05936ac275623 (diff)
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index d11eba09eadd..b024070ad1cf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -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);