drm/msm: Rename async to nonblock.

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

Also comments seem to be a bit outdated, as it looks like
nonblocking commit is supported by msm.

Cc: Rob Clark <robdclark@gmail.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/1461679905-30177-6-git-send-email-maarten.lankhorst@linux.intel.com

drivers/gpu/drm/msm/msm_atomic.c

@@ -190,17 +190,16 @@ int msm_atomic_check(struct drm_device *dev,
  * drm_atomic_helper_commit - commit validated state object
  * @dev: DRM device
  * @state: the driver state object
- * @async: asynchronous commit
+ * @nonblock: nonblocking commit
  *
  * This function commits a with drm_atomic_helper_check() pre-validated state
- * object. This can still fail when e.g. the framebuffer reservation fails. For
- * now this doesn't implement asynchronous commits.
+ * object. This can still fail when e.g. the framebuffer reservation fails.
  *
  * RETURNS
  * Zero for success or -errno.
  */
 int msm_atomic_commit(struct drm_device *dev,
-		struct drm_atomic_state *state, bool async)
+		struct drm_atomic_state *state, bool nonblock)
 {
 	int nplanes = dev->mode_config.num_total_plane;
 	int ncrtcs = dev->mode_config.num_crtc;
@@ -276,7 +275,7 @@ int msm_atomic_commit(struct drm_device *dev,
 	 * current layout.
 	 */
 
-	if (async) {
+	if (nonblock) {
 		msm_queue_fence_cb(dev, &c->fence_cb, c->fence);
 		return 0;
 	}

drivers/gpu/drm/msm/msm_drv.h

@@ -174,7 +174,7 @@ void __msm_fence_worker(struct work_struct *work);
 int msm_atomic_check(struct drm_device *dev,
 		     struct drm_atomic_state *state);
 int msm_atomic_commit(struct drm_device *dev,
-		struct drm_atomic_state *state, bool async);
+		struct drm_atomic_state *state, bool nonblock);
 
 int msm_register_mmu(struct drm_device *dev, struct msm_mmu *mmu);