From f7c5f5d9e25dc524f1cdc6cf821400ac29dae486 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Wed, 3 Sep 2014 19:25:57 +0000
Subject: [PATCH] drm/omap: add a comment why locking is missing

unpin_worker() calls omap_framebuffer_unpin() without any locks, which
looks very suspicious. However, both pin and unpin are always called via
the driver's private workqueue, so the access is synchronized that way.

Add a comment to make this clear.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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