drm/sun4i: Make use of the helper component_compare_of

Use the common compare helper from component.

Cc: Maxime Ripard <mripard@kernel.org>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Jernej Skrabec <jernej.skrabec@gmail.com>
Cc: linux-sunxi@lists.linux.dev
Signed-off-by: NYong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20220214060819.7334-13-yong.wu@mediatek.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/gpu/drm/sun4i/sun4i_drv.c

@@ -201,15 +201,6 @@ static bool sun4i_drv_node_is_tcon_top(struct device_node *node)
 		!!of_match_node(sun8i_tcon_top_of_table, node);
 }
 
-static int compare_of(struct device *dev, void *data)
-{
-	DRM_DEBUG_DRIVER("Comparing of node %pOF with %pOF\n",
-			 dev->of_node,
-			 data);
-
-	return dev->of_node == data;
-}
-
 /*
  * The encoder drivers use drm_of_find_possible_crtcs to get upstream
  * crtcs from the device tree using of_graph. For the results to be
@@ -329,7 +320,7 @@ static int sun4i_drv_add_endpoints(struct device *dev,
 	     of_device_is_available(node))) {
 		/* Add current component */
 		DRM_DEBUG_DRIVER("Adding component %pOF\n", node);
-		drm_of_component_match_add(dev, match, compare_of, node);
+		drm_of_component_match_add(dev, match, component_compare_of, node);
 		count++;
 	}