drm/amdkfd: Check use_xgmi_p2p before reporting hive_id

Recently introduced commit 158a05a0 ("drm/amdgpu: Add
use_xgmi_p2p module parameter") did not update XGMI iolinks
when use_xgmi_p2p is disabled. Add fix to not create XGMI
iolinks in KFD topology when this parameter is disabled.

Fixes: 158a05a0 ("drm/amdgpu: Add use_xgmi_p2p module parameter")
Signed-off-by: Divya Shikre <DivyaUday.Shikre@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -531,6 +531,7 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
 		goto kfd_doorbell_error;
 	}
 
+	if (amdgpu_use_xgmi_p2p)
 		kfd->hive_id = kfd->adev->gmc.xgmi.hive_id;
 
 	kfd->noretry = kfd->adev->gmc.noretry;