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            <b><a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - [BSW] eDP screen is blank when booting with DP display connected"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=87223#c11">Comment # 11</a>
              on <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - [BSW] eDP screen is blank when booting with DP display connected"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=87223">bug 87223</a>
              from <span class="vcard"><a class="email" href="mailto:jeff.zheng@intel.com" title="Jeff Zheng <jeff.zheng@intel.com>"> <span class="fn">Jeff Zheng</span></a>
</span></b>
        <pre>Created <span class=""><a href="attachment.cgi?id=112265" name="attach_112265" title="dmesg with video.use_native_backlight=0">attachment 112265</a> <a href="attachment.cgi?id=112265&action=edit" title="dmesg with video.use_native_backlight=0">[details]</a></span>
dmesg with video.use_native_backlight=0

Boot system with kernel module parameter video.use_native_backlight=0, eDP
screen is still black. Attached is the dmesg with the module parameter
video.use_native_backlight=0</pre>
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