<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - 【braswell】"*ERROR* cpu pipe A|B|C fifo underrun" - can not recovery"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103844#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - 【braswell】"*ERROR* cpu pipe A|B|C fifo underrun" - can not recovery"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103844">bug 103844</a>
from <span class="vcard"><a class="email" href="mailto:clinton.a.taylor@intel.com" title="Clinton Taylor <clinton.a.taylor@intel.com>"> <span class="fn">Clinton Taylor</span></a>
</span></b>
<pre>Many pipe underrun issues are caused by plane watermark programming in the i915
driver. Kernel 4.2 doesn't have many of the i915 CHV watermark fixes in later
kernels.
Suggest backporting of CHV watermark fixes. Kernel 4.6 appears to have most of
the needed changes.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
<li>You are the QA Contact for the bug.</li>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>