On Fri, Nov 04, 2016 at 10:33:24PM +0200, Imre Deak wrote: > On Thu, 2016-11-03 at 21:14 +0000, Chris Wilson wrote: > > Where is that guaranteed? I thought we only serialised with the pm > > interrupts. Remember this happens before rpm suspend, since > > gem_idle_work_handler is responsible for dropping the GPU wakelock. > > I meant that the 100msec after the last request signals completion and > this handler is scheduled is normally enough for the context complete > interrupt to get delivered. But yea, it's not a guarantee. If only it was that deterministic! The idle_worker was scheduled 100ms after some retire_worker, just not necessarily the most recent. So it could be running exactly as active_requests -> 0 and so before the context-interrupt. Anyway, it was a good find! -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
