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<body><span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [BDW/BYT Bisected semaphores] igt/gem_gtt_hog fails, gem_reset_stats and more"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81209">bug 81209</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
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<td style="text-align:right;">Status</td>
<td>REOPENED
</td>
<td>RESOLVED
</td>
</tr></table>
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<div>
<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [BDW/BYT Bisected semaphores] igt/gem_gtt_hog fails, gem_reset_stats and more"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81209#c27">Comment # 27</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [BDW/BYT Bisected semaphores] igt/gem_gtt_hog fails, gem_reset_stats and more"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81209">bug 81209</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>commit 9607ae79710afb453173b90d5bf564788a6e09b1
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Thu Nov 24 09:47:52 2016 +0000
drm/i915/debugfs: Increment return value of gt.next_seqno
The i915_next_seqno read value is to be the next seqno used by the
kernel. However, in the conversion to atomics ops for gt.next_seqno, in
commit 28176ef4cfa5 ("drm/i915: Reserve space in the global seqno during
request allocation"), this was changed from a post-increment to a
pre-increment. This increment was missed from the value reported by
debugfs, so in effect it was reporting the current seqno (last
assigned), not the next seqno.</pre>
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