Patch "drm: Clean up planes in atomic commit helper failure path" has been added to the 4.9-stable tree

Patch "drm: Clean up planes in atomic commit helper failure path" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    drm: Clean up planes in atomic commit helper failure path

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-clean-up-planes-in-atomic-commit-helper-failure-path.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From aebe55c2d4b998741c0847ace1b4af47d73c763b Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Tue, 3 Jan 2017 01:14:27 +0200
Subject: drm: Clean up planes in atomic commit helper failure path

From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

commit aebe55c2d4b998741c0847ace1b4af47d73c763b upstream.

If waiting for fences fails for blocking commits, planes must be cleaned
up before returning.

Fixes: f6ce410a59a4 ("drm/fence: allow fence waiting to be interrupted by userspace")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170102231427.7192-1-laurent.pinchart@ideasonboard.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/drm_atomic_helper.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1253,8 +1253,10 @@ int drm_atomic_helper_commit(struct drm_
 
 	if (!nonblock) {
 		ret = drm_atomic_helper_wait_for_fences(dev, state, true);
-		if (ret)
+		if (ret) {
+			drm_atomic_helper_cleanup_planes(dev, state);
 			return ret;
+		}
 	}
 
 	/*


Patches currently in stable-queue which might be from laurent.pinchart@ideasonboard.com are

queue-4.9/drm-clean-up-planes-in-atomic-commit-helper-failure-path.patch
queue-4.9/pinctrl-sh-pfc-r8a7795-use-lookup-function-for-bias-data.patch