Merge 4.15-rc4 into usb-next

We want the USB fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 9 insertions, 2 deletions

diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index 93c7e3f9b4a8..17d2f3a1c562 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -133,9 +133,16 @@ static void imx_drm_atomic_commit_tail(struct drm_atomic_state *state)
 			plane_disabling = true;
 	}
 
-	if (plane_disabling) {
-		drm_atomic_helper_wait_for_vblanks(dev, state);
+	/*
+	 * The flip done wait is only strictly required by imx-drm if a deferred
+	 * plane disable is in-flight. As the core requires blocking commits
+	 * to wait for the flip it is done here unconditionally. This keeps the
+	 * workitem around a bit longer than required for the majority of
+	 * non-blocking commits, but we accept that for the sake of simplicity.
+	 */
+	drm_atomic_helper_wait_for_flip_done(dev, state);
 
+	if (plane_disabling) {
 		for_each_old_plane_in_state(state, plane, old_plane_state, i)
 			ipu_plane_disable_deferred(plane);