From 6b59cc1c86e90cccf8fb0b4dee5fbc226bb82d3e Mon Sep 17 00:00:00 2001
From: Thierry Reding <treding@nvidia.com>
Date: Tue, 16 Dec 2014 16:33:27 +0100
Subject: [PATCH] drm/tegra: dc: Fix a potential race on page-flip completion

Page-flip completion could race with page-flip submission, so extend the
critical section to include all accesses to page-flip related data.

Reported-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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