[Intel-gfx] [PATCH v4] drm/i915/guc: Stop using mutex while sending CTB messages

[Michal Wajdeczko]

>> +               /* CTB_RECV lock will be used with irq disabled */
>
> ...will be used inside the interrupt handler
>
> I think is a more descriptive comment.

Well, we usually call intel_guc_ct_event_handler() from irq handler,
but we are also calling it from guc_enable_communication(), that's
outside irq handler (but with irq disabled)