From 2fff79d38bbed2266232d2526a19d42cde476ea7 Mon Sep 17 00:00:00 2001
From: Thierry Reding <treding@nvidia.com>
Date: Fri, 25 Apr 2014 16:42:32 +0200
Subject: [PATCH] drm/tegra: dp - Implement hotplug detection in work queue

Calling the drm_helper_hpd_irq_event() helper can sleep, so instead of
invoking it directly from the interrupt handler, schedule a work queue
and run it from there.

Signed-off-by: Thierry Reding <treding@nvidia.com>
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