578 				      struct intel_context *to)  in should_skip_switch()  argument
582 	if (to->remap_slice)  in should_skip_switch()
585 	if (to->ppgtt) {  in should_skip_switch()
586 		if (from == to && !test_bit(ring->id,  in should_skip_switch()
587 				&to->ppgtt->pd_dirty_rings))  in should_skip_switch()
590 		if (from == to && !test_bit(ring->id,  in should_skip_switch()
599 needs_pd_load_pre(struct intel_engine_cs *ring, struct intel_context *to)  in needs_pd_load_pre()  argument
603 	if (!to->ppgtt)  in needs_pd_load_pre()
616 needs_pd_load_post(struct intel_engine_cs *ring, struct intel_context *to,  in needs_pd_load_post()  argument
621 	if (!to->ppgtt)  in needs_pd_load_post()
637 		     struct intel_context *to)  in do_switch()  argument
651 	if (should_skip_switch(ring, from, to))  in do_switch()
656 		ret = i915_gem_obj_ggtt_pin(to->legacy_hw_ctx.rcs_state,  in do_switch()
669 	if (needs_pd_load_pre(ring, to)) {  in do_switch()
674 		trace_switch_mm(ring, to);  in do_switch()
675 		ret = to->ppgtt->switch_mm(to->ppgtt, ring);  in do_switch()
680 		clear_bit(ring->id, &to->ppgtt->pd_dirty_rings);  in do_switch()
697 	ret = i915_gem_object_set_to_gtt_domain(to->legacy_hw_ctx.rcs_state, false);  in do_switch()
701 	vma = i915_gem_obj_to_ggtt(to->legacy_hw_ctx.rcs_state);  in do_switch()
704 				    to->legacy_hw_ctx.rcs_state->cache_level,  in do_switch()
711 	if (!to->legacy_hw_ctx.initialized || i915_gem_context_is_default(to)) {  in do_switch()
717 	} else if (to->ppgtt &&  in do_switch()
718 			test_and_clear_bit(ring->id, &to->ppgtt->pd_dirty_rings))  in do_switch()
722 	WARN_ON(needs_pd_load_pre(ring, to) &&  in do_switch()
723 			needs_pd_load_post(ring, to, hw_flags));  in do_switch()
725 	ret = mi_set_context(ring, to, hw_flags);  in do_switch()
732 	if (needs_pd_load_post(ring, to, hw_flags)) {  in do_switch()
733 		trace_switch_mm(ring, to);  in do_switch()
734 		ret = to->ppgtt->switch_mm(to->ppgtt, ring);  in do_switch()
747 		if (!(to->remap_slice & (1<<i)))  in do_switch()
755 			to->remap_slice &= ~(1<<i);  in do_switch()
783 	uninitialized = !to->legacy_hw_ctx.initialized;  in do_switch()
784 	to->legacy_hw_ctx.initialized = true;  in do_switch()
787 	i915_gem_context_reference(to);  in do_switch()
788 	ring->last_context = to;  in do_switch()
792 			ret = ring->init_context(ring, to);  in do_switch()
802 		i915_gem_object_ggtt_unpin(to->legacy_hw_ctx.rcs_state);  in do_switch()
821 			struct intel_context *to)  in i915_switch_context()  argument
828 	if (to->legacy_hw_ctx.rcs_state == NULL) { /* We have the fake context */  in i915_switch_context()
829 		if (to != ring->last_context) {  in i915_switch_context()
830 			i915_gem_context_reference(to);  in i915_switch_context()
833 			ring->last_context = to;  in i915_switch_context()
838 	return do_switch(ring, to);  in i915_switch_context()