drm/rockchip: Rename async to nonblock.

The async name is deprecated and should be changed to nonblocking.

Cc: Mark Yao <mark.yao@rock-chips.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1461679905-30177-11-git-send-email-maarten.lankhorst@linux.intel.com

drivers/gpu/drm/rockchip/rockchip_drm_fb.c

@@ -276,7 +276,7 @@ void rockchip_drm_atomic_work(struct work_struct *work)
 
 int rockchip_drm_atomic_commit(struct drm_device *dev,
 			       struct drm_atomic_state *state,
-			       bool async)
+			       bool nonblock)
 {
 	struct rockchip_drm_private *private = dev->dev_private;
 	struct rockchip_atomic_commit *commit = &private->commit;
@@ -286,7 +286,7 @@ int rockchip_drm_atomic_commit(struct drm_device *dev,
 	if (ret)
 		return ret;
 
-	/* serialize outstanding asynchronous commits */
+	/* serialize outstanding nonblocking commits */
 	mutex_lock(&commit->lock);
 	flush_work(&commit->work);
 
@@ -295,7 +295,7 @@ int rockchip_drm_atomic_commit(struct drm_device *dev,
 	commit->dev = dev;
 	commit->state = state;
 
-	if (async)
+	if (nonblock)
 		schedule_work(&commit->work);
 	else
 		rockchip_atomic_commit_complete(commit);