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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [BDW DP] 4k@60Hz pipe underruns -> corruption & hangs"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90043#c11">Comment # 11</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [BDW DP] 4k@60Hz pipe underruns -> corruption & hangs"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90043">bug 90043</a>
from <span class="vcard"><a class="email" href="mailto:conselvan2@gmail.com" title="Ander Conselvan de Oliveira <conselvan2@gmail.com>"> <span class="fn">Ander Conselvan de Oliveira</span></a>
</span></b>
<pre>(In reply to Marat Bakeev from <a href="show_bug.cgi?id=90043#c10">comment #10</a>)
<span class="quote">> The monitor works, but it still requires i915.enable_ips=0 flag, and a GPU
> hang occurs occasionally (and was unable to catch the dump).
>
> Should this bug remain open? Or should I file a new one when I get the dump
> from hanged GPU?</span >
The following two patches were merged to drm-intel-nightly after that above
comment was made. Could you check if you can remove the i915.enable_ips=0 flag
with those?
commit 066cf55b9ce35f1f90dde9fcec01431a9243a949
Author: Rodrigo Vivi <<a href="mailto:rodrigo.vivi@intel.com">rodrigo.vivi@intel.com</a>>
Date: Fri Jun 26 13:55:54 2015 -0700
drm/i915: Fix IPS related flicker
commit 8cfb340774744438dea08a32072bea4a162dd132
Author: Ville Syrjälä <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
Date: Wed Jun 3 15:45:11 2015 +0300
drm/i915: Don't enable IPS when pixel rate exceeds 95%</pre>
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