From 5b6ef08e4b4e1bcb6b3ac4172c054e4462e2c767 Mon Sep 17 00:00:00 2001
From: Rob Clark <robdclark@gmail.com>
Date: Sun, 22 Dec 2013 10:29:43 -0500
Subject: [PATCH] drm/msm: add hang_debug module param

msm.hang_debug=y will dump out current register values if the gpu locks
up, for easier debugging.

Signed-off-by: Rob Clark <robdclark@gmail.com>
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