drm/amdkfd: correct pipe offset calculation

Correct pipe offset calculation in is_pipe_enabled function,
it should be done in queues.
Signed-off-by: Jiansong Chen <Jiansong.Chen@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -72,8 +72,8 @@ enum KFD_MQD_TYPE get_mqd_type_from_queue_type(enum kfd_queue_type type)
 static bool is_pipe_enabled(struct device_queue_manager *dqm, int mec, int pipe)
 {
 	int i;
-	int pipe_offset = mec * dqm->dev->shared_resources.num_pipe_per_mec
-		+ pipe * dqm->dev->shared_resources.num_queue_per_pipe;
+	int pipe_offset = (mec * dqm->dev->shared_resources.num_pipe_per_mec
+		+ pipe) * dqm->dev->shared_resources.num_queue_per_pipe;
 
 	/* queue is available for KFD usage if bit is 1 */
 	for (i = 0; i <  dqm->dev->shared_resources.num_queue_per_pipe; ++i)