drm/i915/glk: Pass dev_priv to intel_atomic_setup_scalers()

Pass dev_priv to intel_atomic_setup_scalers(). The next patch will need
a dev_priv pointer.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170223071600.14356-4-ander.conselvan.de.oliveira@intel.com
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 11f2e41..9b5fcc1 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1894,9 +1894,9 @@ intel_atomic_get_existing_plane_state(struct drm_atomic_state *state,
 	return to_intel_plane_state(plane_state);
 }
 
-int intel_atomic_setup_scalers(struct drm_device *dev,
-	struct intel_crtc *intel_crtc,
-	struct intel_crtc_state *crtc_state);
+int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv,
+			       struct intel_crtc *intel_crtc,
+			       struct intel_crtc_state *crtc_state);
 
 /* intel_atomic_plane.c */
 struct intel_plane_state *intel_create_plane_state(struct drm_plane *plane);