From: Yong Zhao <yong.z...@amd.com>
Signed-off-by: Yong Zhao <yong.z...@amd.com>
Signed-off-by: Felix Kuehling <felix.kuehl...@amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_device.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index f628ac3..e1c2ad2 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -103,6 +103,8 @@ static const struct kfd_device_info
*lookup_device_info(unsigned short did)
}
}
+ WARN(1, "device is not added to supported_devices\n");
+
return NULL;
}
@@ -114,8 +116,10 @@ struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd,
const struct kfd_device_info *device_info =
lookup_device_info(pdev->device);
- if (!device_info)
+ if (!device_info) {
+ dev_err(kfd_device, "kgd2kfd_probe failed\n");
return NULL;
+ }
kfd = kzalloc(sizeof(*kfd), GFP_KERNEL);
if (!kfd)
@@ -364,8 +368,11 @@ int kgd2kfd_resume(struct kfd_dev *kfd)
if (kfd->init_complete) {
err = amd_iommu_init_device(kfd->pdev, pasid_limit);
- if (err < 0)
+ if (err < 0) {
+ dev_err(kfd_device, "failed to initialize iommu\n");
return -ENXIO;
+ }
+
amd_iommu_set_invalidate_ctx_cb(kfd->pdev,
iommu_pasid_shutdown_callback);
amd_iommu_set_invalid_ppr_cb(kfd->pdev, iommu_invalid_ppr_cb);
--
2.7.4
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