[Bug 57926] [Sandybridge Mobile (GT2+)] [Regression] Stretched output on LVDS1 after undocking external monitors during suspend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=57926

--- Comment #10 from Thilo-Alexander Ginkel <thilo at ginkel.com> ---
Created attachment 71116
  --> https://bugs.freedesktop.org/attachment.cgi?id=71116&action=edit
intel_reg_dumper (display ok)

This file was captured after the following sequence:

1. Boot with the external displays *detached*
2. Dock the external displays
3. Run the following sequence:
   xrandr -d :0.0 --output LVDS1 --off --output HDMI3 --mode 1600x1200 \
     --primary --auto
   sleep 5
   xrandr -d :0.0 --output HDMI2 --mode 1600x1200 --right-of HDMI3 --auto
   xrandr -d :0.0 --output HDMI2 --off
   sleep 5
   xrandr -d :0.0 --output LVDS1 --mode 1600x900 --auto
   sleep 5
   xrandr -d :0.0 --output HDMI3 --off

=> The LVDS1 output is correct and not stretched

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