<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - gfx corruption on windowed 3d-apps running on dGPU"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101691#c45">Comment # 45</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - gfx corruption on windowed 3d-apps running on dGPU"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101691">bug 101691</a>
from <span class="vcard"><a class="email" href="mailto:michel@daenzer.net" title="Michel Dänzer <michel@daenzer.net>"> <span class="fn">Michel Dänzer</span></a>
</span></b>
<pre>(In reply to Ben Widawsky from <a href="show_bug.cgi?id=101691#c44">comment #44</a>)
<span class="quote">> Provided amdgpu is flushing its contents properly though, the LLC should
> just follow normal coherency snoop protocol and i915 should see the changed
> data.</span >
Since the pages are non-cacheable as far as the amdgpu driver is concerned, the
AMD GPU does not participate in coherency snoop protocol for them AFAIK. It
should flush to them "immediately" though.</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>