Updated do_switch() to take a request pointer instead of a ring/context pair.
v2: Removed some overzealous req-> dereferencing.
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>
        return false;
 }
 
-static int do_switch(struct intel_engine_cs *ring,
-                    struct intel_context *to)
+static int do_switch(struct drm_i915_gem_request *req)
 {
+       struct intel_context *to = req->ctx;
+       struct intel_engine_cs *ring = req->ring;
        struct drm_i915_private *dev_priv = ring->dev->dev_private;
        struct intel_context *from = ring->last_context;
        u32 hw_flags = 0;
                return 0;
        }
 
-       return do_switch(req->ring, req->ctx);
+       return do_switch(req);
 }
 
 static bool contexts_enabled(struct drm_device *dev)