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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [Regression HSW ULT]igt/testdisplay -d 16 cause balckscreen with HDMI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69404#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [Regression HSW ULT]igt/testdisplay -d 16 cause balckscreen with HDMI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69404">bug 69404</a>
from <span class="vcard"><a class="email" href="mailto:pengcheng.jiang@intel.com" title="pengcheng.jiang@intel.com">pengcheng.jiang@intel.com</a>
</span></b>
<pre><span class="quote">> Yes, I think a bisect would be really useful here. Ville discovered hard
> hangs when doing modest on HSW, but this seems to be a different issue. And
> I have no idea what's really going on here ...</span >
I have finished bisect, the result shows:
e6e792092e816bea0797995c886fb057c91d4546 is the first bad commit
commit e6e792092e816bea0797995c886fb057c91d4546
Author: Ville Syrj盲l盲 <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
Date: Fri May 31 15:23:41 2013 +0300
drm/edid: Add both 60Hz and 59.94Hz CEA modes to connector's mode list
Sorry for take some time, the amount of the steps is a little large. What's
more, I think the problem may be caused by this mode:
CRTS(3):[12] 1280x720 60 1280 1390 1430 1650 720 725 730 750 0x5 0x40 74250</pre>
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