[Intel-gfx] i915 DVI resolution regression (3.13.7+)

[Jani Nikula]

On Tue, 08 Apr 2014, Daniel J Blueman <daniel at quora.org> wrote:
> 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.

By allowing those modes we regressed setups which were not capable of
displaying them. So you've got an HDMI->DVI converter?

https://bugzilla.kernel.org/show_bug.cgi?id=72961


-- 
Jani Nikula, Intel Open Source Technology Center