Created attachment 86503 [details]
dmesg: 720x576 mode dislocated

System Environment:
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Kernel: (drm-intel-next-queued)1b068ee25776533074251f1c6276c5f720c0284b
Some additional commit info:
Author: Jani Nikula <jani.nikula@intel.com>
Date:   Fri Sep 20 16:42:17 2013 +0300

    drm/i915/dp: read DPCD PSR capability only on eDP


Description:
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When I test display in 720x576  mode with argument -a,-d or -t,the image
dislocated.

CRTS(3):[0]  720x576 50 720 732 796 864 576 581 586 625 0xa 0x40 27000



Reproduce steps:
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1. plug in HDMI
2. boot up machine
3. testdisplay