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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_RESOLVED bz_closed"
title="RESOLVED FIXED - [ILK,BDW] Display stop working after resumed from S4 due to LP0 WM fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95281">bug 95281</a>
<br>
<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>watermark
</td>
</tr>
<tr>
<td style="text-align:right;">i915 platform</td>
<td>
</td>
<td>ILK
</td>
</tr>
<tr>
<td style="text-align:right;">Summary</td>
<td>[BDW] Display stop working after resumed from S4
</td>
<td>[ILK,BDW] Display stop working after resumed from S4 due to LP0 WM fail
</td>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [ILK,BDW] Display stop working after resumed from S4 due to LP0 WM fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95281#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [ILK,BDW] Display stop working after resumed from S4 due to LP0 WM fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95281">bug 95281</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>Shoukd be fixed by
commit e3d5457c7caa ("drm/i915: Ignore stale wm register values on resume on
ilk-bdw (v2)")</pre>
</div>
<div>
<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [ILK,BDW] Display stop working after resumed from S4 due to LP0 WM fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95281#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [ILK,BDW] Display stop working after resumed from S4 due to LP0 WM fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95281">bug 95281</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>
[ 63.184167] [drm:ilk_validate_wm_level] Sprite WM0 too large 120 (max 0)
[ 63.184168] [drm:ilk_validate_pipe_wm] LP0 watermark invalid
[ 63.184168] [drm:intel_crtc_atomic_check] No valid intermediate pipe
watermarks are possible
I saw this on my ILK recently. Regression from some watermark work.</pre>
</div>
<div>
<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [ILK,BDW] Display stop working after resumed from S4 due to LP0 WM fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95281#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [ILK,BDW] Display stop working after resumed from S4 due to LP0 WM fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95281">bug 95281</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>
[ 63.184167] [drm:ilk_validate_wm_level] Sprite WM0 too large 120 (max 0)
[ 63.184168] [drm:ilk_validate_pipe_wm] LP0 watermark invalid
[ 63.184168] [drm:intel_crtc_atomic_check] No valid intermediate pipe
watermarks are possible
I saw this on my ILK recently. Regression from some watermark work.</pre>
</div>
</p>
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