Quoting Chris Wilson (2020-02-10 16:42:15) > We manipulate ring->head while active in i915_request_retire underneath > the timeline manipulation. We cannot rely on a stable ring->head outside > of the timeline->mutex, in particular while setting up the context for > resume and reset. > > Closes: https://gitlab.freedesktop.org/drm/intel/issues/1126 Fixes: 0881954965e3 ("drm/i915: Introduce intel_context.pin_mutex for pin management") Fixes: e5dadff4b093 ("drm/i915: Protect request retirement with timeline->mutex") > References: f3c0efc9fe7a ("drm/i915/execlists: Leave resetting ring to intel_ring") > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Matthew Auld <matthew.auld@xxxxxxxxx> > Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
