From 7ebe1963a063daf30f95752c35244c5d49550aa9 Mon Sep 17 00:00:00 2001
From: "Lespiau, Damien" <damien.lespiau@intel.com>
Date: Mon, 19 Aug 2013 16:58:54 +0100
Subject: [PATCH] drm/edid: Parse the HDMI CEA block and look for 4k modes
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HDMI 1.4 adds 4 "4k x 2k" modes in the the CEA vendor specific block.

With this commit, we now parse this block and expose the 4k modes that
we find there.

v2: Fix the "4096x2160" string (nice catch!), add comments about
    do_hdmi_vsdb_modes() arguments and make it clearer that offset is
    relative to the end of the required fields of the HDMI VSDB
    (Ville Syrjälä)

v3: Fix 'Unknow' typo (Simon Farnsworth)

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Tested-by: Cancan Feng <cancan.feng@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67030
Reviewed-by: Simon Farnsworth <simon.farnsworth@onelan.co.uk>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
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