drm/amdkfd: Use gpu_offset for user queue's wptr

Directly use tbo's start address will miss the domain start offset. Need
to use gpu_offset instead.
Signed-off-by: YuBiao Wang <YuBiao.Wang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

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

@@ -216,7 +216,7 @@ static int add_queue_mes(struct device_queue_manager *dqm, struct queue *q,
 
 	if (q->wptr_bo) {
 		wptr_addr_off = (uint64_t)q->properties.write_ptr & (PAGE_SIZE - 1);
-		queue_input.wptr_mc_addr = ((uint64_t)q->wptr_bo->tbo.resource->start << PAGE_SHIFT) + wptr_addr_off;
+		queue_input.wptr_mc_addr = amdgpu_bo_gpu_offset(q->wptr_bo) + wptr_addr_off;
 	}
 
 	queue_input.is_kfd_process = 1;