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drm/amdkfd: fix kfd_suspend_all_processes

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Flush delayed restore work in kfd_suspend_all_queues instead of
cancelling. Cancelling the work before it runs results in the queues
becoming permanently disabled. Flushing the work ensures that the
queue suspend/resume state stays balanced.

Signed-off-by: Jonathan Kim <jonathan.kim@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jonathan Kim 2023-03-24 16:19:27 -04:00 committed by Alex Deucher
parent 01f648202c
commit bb13d763f2
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdkfd/kfd_process.c
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@ -2014,7 +2014,7 @@ void kfd_suspend_all_processes(void)
WARN(debug_evictions, "Evicting all processes");
hash_for_each_rcu(kfd_processes_table, temp, p, kfd_processes) {
cancel_delayed_work_sync(&p->eviction_work);
cancel_delayed_work_sync(&p->restore_work);
flush_delayed_work(&p->restore_work);
if (kfd_process_evict_queues(p, KFD_QUEUE_EVICTION_TRIGGER_SUSPEND))
pr_err("Failed to suspend process 0x%x\n", p->pasid);