We have a nice macro, so use it.
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
 void intel_display_crc_init(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       int i;
+       enum pipe pipe;
 
-       for (i = 0; i < INTEL_INFO(dev)->num_pipes; i++) {
-               struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[i];
+       for_each_pipe(pipe) {
+               struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe];
 
                pipe_crc->opened = false;
                spin_lock_init(&pipe_crc->lock);