From: Imre Deak <imre.deak@intel.com>
Date: Mon, 18 Aug 2014 11:42:42 +0000 (+0300)
Subject: drm/i915: take display port power domain in DP HPD handler
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~20^2~2^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c767b339b3938b19076ffdc9d70aa1e4235a45b;p=pandora-kernel.git

drm/i915: take display port power domain in DP HPD handler

Ville noticed that we can call ibx_digital_port_connected() which accesses
the HW without holding any power well/runtime pm reference. Fix this by
holding a display port power domain reference around the whole hpd_pulse
handler.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Cc: stable@vger.kernel.org (3.16+)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---

Reading git-diff-tree failed