drm/amdgpu: skip kfd init if GFX is not ready.

avoid kfd init crash in that case.
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Jesse Zhang <Jesse.Zhang@amd.com>
Reviewed-by: Jesse Zhang <Jesse.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -2471,6 +2471,7 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev)
  */
 static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
 {
+	struct amdgpu_ip_block *ip_block;
 	struct pci_dev *parent;
 	int i, r;
 	bool total;
@@ -2608,7 +2609,10 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
 	if (!total)
 		return -ENODEV;
 
+	ip_block = amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_GFX);
+	if (ip_block->status.valid != false)
 		amdgpu_amdkfd_device_probe(adev);
+
 	adev->cg_flags &= amdgpu_cg_mask;
 	adev->pg_flags &= amdgpu_pg_mask;