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<body><span class="vcard"><a class="email" href="mailto:ville.syrjala@linux.intel.com" title="Ville Syrjala <ville.syrjala@linux.intel.com>"> <span class="fn">Ville Syrjala</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL] igt/kms_pipe_crc_basic: [drm:skl_set_cdclk] *ERROR* failed to inform PCU about cdclk change"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97929">bug 97929</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">i915 features</td>
<td>
</td>
<td>display/Other, power/Other
</td>
</tr>
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<td style="text-align:right;">Summary</td>
<td>]SKL igt/kms_pipe_crc_basic
</td>
<td>[SKL] igt/kms_pipe_crc_basic: [drm:skl_set_cdclk] *ERROR* failed to inform PCU about cdclk change
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL] igt/kms_pipe_crc_basic: [drm:skl_set_cdclk] *ERROR* failed to inform PCU about cdclk change"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97929#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL] igt/kms_pipe_crc_basic: [drm:skl_set_cdclk] *ERROR* failed to inform PCU about cdclk change"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97929">bug 97929</a>
from <span class="vcard"><a class="email" href="mailto:ville.syrjala@linux.intel.com" title="Ville Syrjala <ville.syrjala@linux.intel.com>"> <span class="fn">Ville Syrjala</span></a>
</span></b>
<pre>kms_pipe_crc_basic occasionally hits "[drm:skl_set_cdclk] *ERROR* failed to
inform PCU about cdclk change" on fi-skl-6700hq
My last attempt at fixing these wasn't entirely succesful perhaps:
commit 848496e5902833600f7992f4faa82dc1546051ba
Author: Ville Syrjälä <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
Date: Wed Jul 13 16:32:03 2016 +0300
drm/i915: Wait up to 3ms for the pcu to ack the cdclk change request on SKL</pre>
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