From: Sonika Jindal <sonika.jindal@intel.com>
Date: Wed, 8 Jul 2015 11:37:47 +0000 (+0530)
Subject: drm/i915: Handle HPD when it has actually occurred
X-Git-Tag: omap-for-v4.3/fixes-rc1~89^2~36^2~63
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aaf5ec2e51ab1d9c5e962b4728a1107ed3ff7a3e;p=pandora-kernel.git

drm/i915: Handle HPD when it has actually occurred

Writing to PCH_PORT_HOTPLUG for each interrupt is not required.
Handle it only if hpd has actually occurred like we handle other
interrupts.
v2: Make few variables local to if block (Ville)
v3: Add check for ibx/cpt both (Ville).
    While at it, remove the redundant check for hotplug_trigger from
    pch_get_hpd_pins
v4: Indentation (Ville)

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Sonika Jindal <sonika.jindal@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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