[Bug 67513] [SNB] two monitors each show half of screen with extend mode

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jul 31 00:33:40 PDT 2013


https://bugs.freedesktop.org/show_bug.cgi?id=67513

--- Comment #7 from Chris Wilson <chris at chris-wilson.co.uk> ---
The last change in the Xorg.0.log is:

[   525.169] (II) intel(0): resizing framebuffer to 3840x1200
[   525.169] (II) intel(0): switch to mode 1920x1200 on pipe 0 using HDMI3
[   525.196] (II) intel(0): switch to mode 1920x1200 on pipe 1 using DP2
[   525.212] (II) intel(0): switch to mode 1920x1200 on pipe 0 using HDMI3

but xrandr still believes that the current fb is 1920 x 1200 with the two
outputs in clone mode. Prior to that modeset, the two outputs were indeed
mirrored (with a 1920x1200 fb). Can you please confirm that the xrandr is from
after 525s? dmesg also believes that the two pipes should be in an extended
configuration.

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