[Bug 56834] [ivb DP dual link DVI dongle regression] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=56834

--- Comment #45 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to comment #36)
> Created attachment 98657 [details]
> 3.15-rc3 syslog with more logging
> 
> This one came up to the "VESA" resolution, but when I tried to manually
> force the native resolution, it didn't work.
> 
> Force script is described up-bug, I think, but in case it's not, it's just:
> $ cat fixup-display.sh 
> xrandr --newmode '2560x1440_0.0' 241.50  2560 2608 2640 2720  1440 1443 1448
> 1481 +hsync -vsync
> xrandr --addmode DP1 '2560x1440_0.0'
> 
> (Timings were extracted by connecting directly via displayport, in which
> case the box comes up to native resolution w/o a problem.)

Here, the aux channel seems to stop working completely. It's odd.

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