[Intel-gfx] [PATCH v3] drm/i915/guc: Stop using mutex while sending CTB messages

[Michal Wajdeczko]

On Mon, 03 Feb 2020 10:58:08 +0100, Chris Wilson  
<chris at chris-wilson.co.uk> wrote:

> Quoting Michal Wajdeczko (2020-02-03 09:54:13)
>>  void intel_guc_ct_init_early(struct intel_guc_ct *ct)
>>  {
>> +       int i;
>> +
>>         spin_lock_init(&ct->requests.lock);
>>         INIT_LIST_HEAD(&ct->requests.pending);
>>         INIT_LIST_HEAD(&ct->requests.incoming);
>>         INIT_WORK(&ct->requests.worker,  
>> ct_incoming_request_worker_func);
>> +       for (i = 0; i < ARRAY_SIZE(ct->ctbs); i++) {
>> +               spin_lock_init(&ct->ctbs[i].lock);
>> +                
>> lockdep_set_subclass_and_mark_as_used(&ct->ctbs[i].lock, i);
>
> Trybot warned of another issue...

Hmm, trybot mislead me by reporting only one other false-positive
and I failed to check 'details' on my own, thanks for help!