linux-kernel - i915 DVI resolution regression (3.13.7+)

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Message-ID: <CAMVG2sti6EMQXw5xyNp-wkq0nGz4zVgz1p7AO48Kb1_zYk8K0w@mail.gmail.com>
Date:	Tue, 8 Apr 2014 13:50:14 +0800
From:	Daniel J Blueman <daniel@...ra.org>
To:	Ville Syrjälä <ville.syrjala@...ux.intel.com>
Cc:	Daniel Vetter <daniel.vetter@...ll.ch>,
	Imre Deak <imre.deak@...el.com>,
	intel-gfx@...ts.freedesktop.org,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: i915 DVI resolution regression (3.13.7+)

Ville et al,

It looks like commit e3ea8fa6beaf55fee64bf816f3b8a80ad733b2c2 (or
another commit in 3.13.7) broke modes which require DVI-D dual-link,
eg 2560x1440 with my panel.

I don't see these modelines in 3.13.7 or later (eg 3.14):

[     5.582] (II) intel(0): Modeline "2560x1440"x60.0  312.25  2560
2752 3024 3488  1440 1443 1448 1493 -hsync +vsync (89.5 kHz eP)
[     5.582] (II) intel(0): Modeline "2560x1440"x60.0  312.25  2560
2752 3024 3488  1440 1443 1448 1493 -hsync +vsync (89.5 kHz eP)
[     5.582] (II) intel(0): Modeline "1920x1200"x59.9  193.25  1920
2056 2256 2592  1200 1203 1209 1245 -hsync +vsync (74.6 kHz e)

My monitor is a Dell U2713HM; mobo uses an H87 chipset with i5-4670.

Thanks,
  Daniel
-- 
Daniel J Blueman
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