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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Failed to prepare CRTC for page flipping, disabling TearFree"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94806">94806</a>
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<th>Summary</th>
<td>Failed to prepare CRTC for page flipping, disabling TearFree
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>XOrg git
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
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<th>OS</th>
<td>Linux (All)
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>william@eshagh.com
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=122686" name="attach_122686" title="xorg log">attachment 122686</a> <a href="attachment.cgi?id=122686&action=edit" title="xorg log">[details]</a></span>
xorg log
I can't enable tearfree on skylake.
-- system architecture: x86_64
-- kernel version: 4.5.0-040500-generic
-- Linux distribution: xubuntu 16.04
-- Machine or mother board model: Supermicro X11SSZ-F
-- Display connector: 3 displays: 1 DIV, 2 via displayport MST. One displayport
using active adapter to enable use of dual link DVI monitor. Issue occurs
without MST hub as well.
xorg conf:
Section "Extensions"
Option "XVideo" "Disable"
EndSection
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "AccelMethod" "sna"
Option "TearFree" "true"
Option "DRI" "true"
# Option "DRI" "3"
# VideoRam 461632 # sometimes (before i updated the bios, it were useful)
EndSection
xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu0.1
TearFree won't take, with xorg log reporting:
(EE) intel(0): Failed to prepare CRTC for page flipping, disabling TearFree</pre>
</div>
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