drm/i915: Update [vma|object]_move_to_active() to take request structures

Now that everything above has been converted to use request structures, it is
possible to update the lower level move_to_active() functions to be request
based as well.

For: VIZ-5115
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Tomas Elf <tomas.elf@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index c12bdd85..19a2441 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2340,9 +2340,12 @@
 }
 
 void i915_vma_move_to_active(struct i915_vma *vma,
-			     struct intel_engine_cs *ring)
+			     struct drm_i915_gem_request *req)
 {
 	struct drm_i915_gem_object *obj = vma->obj;
+	struct intel_engine_cs *ring;
+
+	ring = i915_gem_request_get_ring(req);
 
 	/* Add a reference if we're newly entering the active list. */
 	if (obj->active == 0)
@@ -2350,8 +2353,7 @@
 	obj->active |= intel_ring_flag(ring);
 
 	list_move_tail(&obj->ring_list[ring->id], &ring->active_list);
-	i915_gem_request_assign(&obj->last_read_req[ring->id],
-				intel_ring_get_request(ring));
+	i915_gem_request_assign(&obj->last_read_req[ring->id], req);
 
 	list_move_tail(&vma->mm_list, &vma->vm->active_list);
 }