drm/i915: Move vlv wms from crtc->wm_state to crtc->wm.active.vlv

In an effort to make the vlv/chv wm code look and behave more like the
ilk+ code, let's move the current active wms next to the
corresponding ilk wms.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170302171508.1666-4-ville.syrjala@linux.intel.com
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 0ffe527..8b19007 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -758,6 +758,7 @@ struct intel_crtc {
 		/* watermarks currently being used  */
 		union {
 			struct intel_pipe_wm ilk;
+			struct vlv_wm_state vlv;
 		} active;
 
 		/* allow CxSR on this pipe */
@@ -777,8 +778,6 @@ struct intel_crtc {
 
 	/* scalers available on this crtc */
 	int num_scalers;
-
-	struct vlv_wm_state wm_state;
 };
 
 struct intel_plane {