Add message print out and return -EINVAL when driver can not get valid hive
from hive arrary on xgmi configuration
Change-Id: Ic03927904edf0e384b8c4651e19274bb3f2a7d9a
Signed-off-by: shaoyunl <shaoyun....@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index 8a8bc60..b226631 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -113,8 +113,13 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
mutex_lock(&xgmi_mutex);
hive = amdgpu_get_xgmi_hive(adev);
- if (!hive)
+ if (!hive) {
+ ret = -EINVAL;
+ dev_err(adev->dev,
+ "XGMI: Can not matech hive 0xllx in the hive list.\n",
+ adev->gmc.xgmi.hive_id);
goto exit;
+ }
hive_topology = &hive->topology_info;
--
2.7.4
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