drm/amdkfd: initialise kfd inside amdgpu_device_init

Also finalize kfd inside amdgpu_device_fini. kfd device_init needs
SRIOV exclusive accessing. Try to gather exclusive accessing to
reduce time consuming.

Signed-off-by: pding <Pixel.Ding@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -1693,6 +1693,8 @@ static int amdgpu_early_init(struct amdgpu_device *adev)
 	if (r)
 		return r;
 
+	amdgpu_amdkfd_device_probe(adev);
+
 	if (amdgpu_sriov_vf(adev)) {
 		r = amdgpu_virt_request_full_gpu(adev, true);
 		if (r)
@@ -1787,6 +1789,7 @@ static int amdgpu_init(struct amdgpu_device *adev)
 		adev->ip_blocks[i].status.hw = true;
 	}
 
+	amdgpu_amdkfd_device_init(adev);
 	return 0;
 }
 
@@ -1854,6 +1857,7 @@ static int amdgpu_fini(struct amdgpu_device *adev)
 {
 	int i, r;
 
+	amdgpu_amdkfd_device_fini(adev);
 	/* need to disable SMC first */
 	for (i = 0; i < adev->num_ip_blocks; i++) {
 		if (!adev->ip_blocks[i].status.hw)

drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c

@@ -63,8 +63,6 @@ void amdgpu_driver_unload_kms(struct drm_device *dev)
 		pm_runtime_forbid(dev->dev);
 	}
 
-	amdgpu_amdkfd_device_fini(adev);
-
 	amdgpu_acpi_fini(adev);
 
 	amdgpu_device_fini(adev);
@@ -170,9 +168,6 @@ retry_init:
 				"Error during ACPI methods call\n");
 	}
 
-	amdgpu_amdkfd_device_probe(adev);
-	amdgpu_amdkfd_device_init(adev);
-
 	if (amdgpu_device_is_px(dev)) {
 		pm_runtime_use_autosuspend(dev->dev);
 		pm_runtime_set_autosuspend_delay(dev->dev, 5000);