Merge tag 'drm-amdkfd-next-2016-07-03' of git://people.freedesktop.org/~gabbayo/linux into drm-next

A few amdkfd patches for 4.8. One patch replaces deprecated kernel api call
(create_workqueue) and the other patch properly cleans up resources in case of
failing to create a process object.

* tag 'drm-amdkfd-next-2016-07-03' of git://people.freedesktop.org/~gabbayo/linux:
  drm/amdkfd: destroy mutex if process creation fails
  drm/amdkfd: Remove create_workqueue()

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

@@ -63,13 +63,12 @@ static struct kfd_process *create_process(const struct task_struct *thread);
 void kfd_process_create_wq(void)
 {
 	if (!kfd_process_wq)
-		kfd_process_wq = create_workqueue("kfd_process_wq");
+		kfd_process_wq = alloc_workqueue("kfd_process_wq", 0, 0);
 }
 
 void kfd_process_destroy_wq(void)
 {
 	if (kfd_process_wq) {
-		flush_workqueue(kfd_process_wq);
 		destroy_workqueue(kfd_process_wq);
 		kfd_process_wq = NULL;
 	}
@@ -330,6 +329,7 @@ err_process_pqm_init:
 	synchronize_rcu();
 	mmu_notifier_unregister_no_release(&process->mmu_notifier, process->mm);
 err_mmu_notifier:
+	mutex_destroy(&process->mutex);
 	kfd_pasid_free(process->pasid);
 err_alloc_pasid:
 	kfree(process->queues);