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drm/amdkfd: Add more error printing to help bringup v2 

v2: Turned WARN into dev_warn and made the message more helpful

Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Yong Zhao 2017-08-15 23:00:13 -04:00 committed by Oded Gabbay
parent 32fa821958
commit 4ebc718274
1 changed files with 10 additions and 2 deletions
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12
drivers/gpu/drm/amd/amdkfd/kfd_device.c
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@ -103,6 +103,9 @@ static const struct kfd_device_info *lookup_device_info(unsigned short did)
}
}
dev_warn(kfd_device, "DID %04x is missing in supported_devices\n",
did);
return NULL;
}
@ -114,8 +117,10 @@ 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 +369,11 @@ 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);