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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] igt_ppgtt_shrink, OOPS gen8_ppgtt_insert_4lvl"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99948">bug 99948</a>
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<table border="1" cellspacing="0" cellpadding="8">
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<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>NEW
</td>
<td>RESOLVED
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [BDW] igt_ppgtt_shrink, OOPS gen8_ppgtt_insert_4lvl"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99948#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [BDW] igt_ppgtt_shrink, OOPS gen8_ppgtt_insert_4lvl"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99948">bug 99948</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 9e89f9ee3b16cca56bed5fa45e63f422d3ac2c3a
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Sat Feb 25 18:11:22 2017 +0000
drm/i915: Advance start address on crossing PML (48b ppgtt) boundary
When advancing onto the next 4th level page table entry, we need to
reset our indices to 0. Currently we restart from the original address
which means we start with an offset into the next PML table.
Fixes: 894ccebee2b0 ("drm/i915: Micro-optimise
gen8_ppgtt_insert_entries()")
Reported-by: Matthew Auld <<a href="mailto:matthew.william.auld@gmail.com">matthew.william.auld@gmail.com</a>>
Bugzilla: <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [BDW] igt_ppgtt_shrink, OOPS gen8_ppgtt_insert_4lvl"
href="show_bug.cgi?id=99948">https://bugs.freedesktop.org/show_bug.cgi?id=99948</a>
Testcase: igt/drv_selftest/live_gtt
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Cc: Matthew Auld <<a href="mailto:matthew.william.auld@gmail.com">matthew.william.auld@gmail.com</a>>
Tested-by: Matthew Auld <<a href="mailto:matthew.william.auld@gmail.com">matthew.william.auld@gmail.com</a>>
Reviewed-by: Matthew Auld <<a href="mailto:matthew.william.auld@gmail.com">matthew.william.auld@gmail.com</a>>
Link:
<a href="http://patchwork.freedesktop.org/patch/msgid/20170225181122.4788-4-chris@chris-wilson.co.uk">http://patchwork.freedesktop.org/patch/msgid/20170225181122.4788-4-chris@chris-wilson.co.uk</a></pre>
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