Quoting Chris Wilson (2019-08-12 10:10:43) > For the guc, we need to keep the engine awake (and not parked) and not > just the gt. If we let the engine park, we disable the irq and stop > processing the tasklet, leaving state outstanding inside the tasklet. > > The downside is, of course, we now have to wait until the tasklet is run > before we consider the engine idle.
Fwiw, because of this I think it may be preferable to keep to using GT pm for the tasklet; and apply Daniele's patch to keep NEEDS_BREADCRUMB_TASKLET set (which is the right thing to do anyway now that we stop switching between submission modes). -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
