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Commit 4ebc7182 authored by Yong Zhao's avatar Yong Zhao Committed by Oded Gabbay
Browse files

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: default avatarYong Zhao <Yong.Zhao@amd.com>
Signed-off-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarOded Gabbay <oded.gabbay@gmail.com>
parent 32fa8219

drivers/gpu/drm/amd/amdkfd/kfd_device.c

+10 −2
Original line number Diff line number Diff line
@@ -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);