Jesse Barnes writes:
> v2: use console_trylock() to try to resume the console immediately
> (Chris)
This will cause other printks to stall if i915 grabs the lock
first. Seems like a way to get random resume delays to me.
--
keith.pack...@intel.com
pgpas36b6iooM.pgp
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The console lock can be contended, so rather than prevent other drivers
after us from being held up, queue the console suspend into the global
work queue that can happen anytime. I've measured this to take around
200ms on my T420. Combined with the ring freq/turbo change, we should
save almost 1/
The console lock can be contended, so rather than prevent other drivers
after us from being held up, queue the console suspend into the global
work queue that can happen anytime. I've measured this to take around
200ms on my T420. Combined with the ring freq/turbo change, we should
save almost 1/
