On Thu, 2015-11-12 at 20:41 +0000, Chris Wilson wrote: > On Thu, Nov 12, 2015 at 07:50:09PM +0200, Imre Deak wrote: > > On to, 2015-11-12 at 17:04 +0000, Chris Wilson wrote: > > > As it stands since we don't actually cancel the hangcheck when we > > drop > > > the rpm wakelock in intel_mark_idle() it can very well come to pass > > > that > > > we execute this whilst the device is asleep. However, if the device > > > is > > > alseep, we now that we are no longer executing. > > > > But how could this run while asleep, since we flush the work in the > > runtime suspend handler before turning off the HW? But even if it can't > > run your idea would be clearer imo.. > > We shouldn't be flushing the hangcheck worker there. That's a leaky > abstraction attempting to paper over something that shouldn't have been > a problem in the first place. Note that there is a similar issue with > the existing request waiters that currently may race against > intel_mark_idle().
Ok. I think your idea is an improvement, but it will change functionality, so how about doing it as a follow-up? --Imre _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx