drm/tegra: Rename async to nonblock.

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

Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: "Terje Bergström" <tbergstrom@nvidia.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/1461679905-30177-10-git-send-email-maarten.lankhorst@linux.intel.com

drivers/gpu/drm/tegra/drm.c

@@ -74,7 +74,7 @@ static void tegra_atomic_work(struct work_struct *work)
 }
 
 static int tegra_atomic_commit(struct drm_device *drm,
-			       struct drm_atomic_state *state, bool async)
+			       struct drm_atomic_state *state, bool nonblock)
 {
 	struct tegra_drm *tegra = drm->dev_private;
 	int err;
@@ -83,7 +83,7 @@ static int tegra_atomic_commit(struct drm_device *drm,
 	if (err)
 		return err;
 
-	/* serialize outstanding asynchronous commits */
+	/* serialize outstanding nonblocking commits */
 	mutex_lock(&tegra->commit.lock);
 	flush_work(&tegra->commit.work);
 
@@ -95,7 +95,7 @@ static int tegra_atomic_commit(struct drm_device *drm,
 
 	drm_atomic_helper_swap_state(drm, state);
 
-	if (async)
+	if (nonblock)
 		tegra_atomic_schedule(tegra, state);
 	else
 		tegra_atomic_complete(tegra, state);