From: Mikko Perttunen <mperttunen@nvidia.com>
Date: Tue, 30 Jul 2013 08:35:03 +0000 (+0300)
Subject: drm/tegra: hdmi: Make sure clock is enabled before dumping registers
X-Git-Tag: v3.12-rc1~136^2~4^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ccaddfe1a2e10f50aa6f553f9791c2724b6d3c4a;p=pandora-kernel.git

drm/tegra: hdmi: Make sure clock is enabled before dumping registers

The debugfs register dumping function did not enable the HDMI clock.
This led to a possible system hang when reading the debugfs entry
while no HDMI cable was connected to the system. This patch makes
sure that the clock is enabled during the read.

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