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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [BYT Regression]Unable to work on two pipes(DP and HDMI)"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=74962#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [BYT Regression]Unable to work on two pipes(DP and HDMI)"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=74962">bug 74962</a>
              from <span class="vcard"><a class="email" href="mailto:jani.nikula@intel.com" title="Jani Nikula <jani.nikula@intel.com>"> <span class="fn">Jani Nikula</span></a>
</span></b>
        <pre>(In reply to <a href="show_bug.cgi?id=74962#c0">comment #0</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=94041" name="attach_94041" title="dmesg">attachment 94041</a> <a href="attachment.cgi?id=94041&action=edit" title="dmesg">[details]</a></span>
> dmesg</span >

No drm.debug=0xe module parameter in the dmesg. Please reproduce with that.

There's 

[  155.953639] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid,
remainder is 192

in the logs, might explain things, but we have no details now.

<span class="quote">> Kernel: (drm-intel-nightly) 64fcdb139972db2663469d8799968260fb43a26d</span >
...
<span class="quote">> It works well on -testing(54b927ca040f2adee35f9ee95c9ce40d6be2f0e8)</span >

Could you bisect this please?</pre>
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