On pe, 2016-07-22 at 10:31 +0100, Chris Wilson wrote: > On Fri, Jul 22, 2016 at 12:28:11PM +0300, Joonas Lahtinen wrote: > > > > On pe, 2016-07-22 at 10:14 +0100, Chris Wilson wrote: > > > > > > /* When the !RCS engines idle waiting upon a semaphore, they lose their > > > * pagetables and we must reload them before executing the batch. > > > * We do this on the i915_switch_context() following the wait and > > > * before the dispatch. > > > */ > > > - ppgtt = wait->ctx->ppgtt; > > > - if (ppgtt && wait->engine->id != RCS) > > > - ppgtt->pd_dirty_rings |= intel_engine_flag(wait->engine); > > > + ppgtt = req->ctx->ppgtt; > > This assignment could still be lifted up. > I'm not a huge believe in gcc's live range analysis :)
It's Open Source :P We can optimize the culprit once there is need. > -Chris > > > > -- Joonas Lahtinen Open Source Technology Center Intel Corporation _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
