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authorYong Zhao <Yong.Zhao@amd.com>2017-08-15 23:00:13 -0400
committerOded Gabbay <oded.gabbay@gmail.com>2017-08-15 23:00:13 -0400
commit4ebc7182743a4bef47cdd9d3e9f08cff943faa4f (patch)
treed9de07c81930f1ada5326be0b64a26f6e5278b46
parent32fa821958755a30a9a05ed258e1539c945851d4 (diff)
downloadop-kernel-dev-4ebc7182743a4bef47cdd9d3e9f08cff943faa4f.zip
op-kernel-dev-4ebc7182743a4bef47cdd9d3e9f08cff943faa4f.tar.gz
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>
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device.c12
1 files changed, 10 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..fd26d7b 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -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);
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