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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Intel NUC7i5BNH unable to play 1080 video without choppy/jerky/stuttering"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=101050">101050</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Intel NUC7i5BNH unable to play 1080 video without choppy/jerky/stuttering
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>DRI git
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86 (IA32)
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/Intel
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>paul.a.parenteau@intel.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>i915 platform</th>
          <td>KBL
          </td>
        </tr>

        <tr>
          <th>i915 features</th>
          <td>display/HDMI
          </td>
        </tr></table>
      <p>
        <div>
        <pre>With a new NUC7i5BNH (intel HD640 gfx) I was unable to play even just 1080p
video well - it was choppy/jerky/stuttering.  4k video was far worse.  

I switched from HDMI to Displayport (via Thunderbolt/USB-C connector) on the
NUC and immediately my video problems were solved.  I can now play both HD & 4k
video.

The NUC is running Ubuntu 17.04 clean install.

Monitor is a Dell P2715Q which only supports HDMI 1.4 (4k@24hz), thus I can't
see it being a HDMI 2.0 issue.</pre>
        </div>
      </p>


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