From 55f083c33feb7231c7574a64cd01b0477715a370 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 20 May 2014 10:18:03 +1000
Subject: [PATCH] drm/nouveau/disp/dp: maintain link in response to hpd signal

This previously worked for the most part due to userspace doing a
modeset in response to HPD interrupts.  This will allow us to
properly handle cases where sync is lost for other reasons, or if
userspace isn't caring.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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