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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_NEEDINFO "
   title="NEEDINFO --- - [SNA, SNB, TearFree] page flipping failed, disabling CRTC"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=80191">bug 80191</a>
        <br>
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          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
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         <tr>
           <td style="text-align:right;">Status</td>
           <td>REOPENED
           </td>
           <td>NEEDINFO
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            <b><a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO --- - [SNA, SNB, TearFree] page flipping failed, disabling CRTC"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=80191#c5">Comment # 5</a>
              on <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO --- - [SNA, SNB, TearFree] page flipping failed, disabling CRTC"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=80191">bug 80191</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>Ah, jumped to a conclusion as the kernel log seemed familiar.

This should fix it:

commit 83c0f034454ef0f474126a3398e5e790ac5ef842
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date:   Wed Jun 18 16:51:46 2014 +0100

    sna: Pass desired CRTC viewport for completing single CRTC flips

    We cannot simply compare against the crtc->shadow_bo for all our needs,
    so pass in exactly the setup we want and apply that. In particular this
    is required when flipping away from the single CRTC setup on secondary
    pipes.

    Fixes TearFree multi-monitor regression from
    commit 3932e97057fca16615adaefbc1eb25a0d51a1d8b [2.99.912]
    Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
    Date:   Mon Jun 9 08:58:15 2014 +0100

        sna/dri2: Allow TearFree flipping to individual CRTC

    Reported-by: Leo Wolf <<a href="mailto:jclw@ymail.com">jclw@ymail.com</a>>
    Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
    Bugzilla: <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO --- - [SNA, SNB, TearFree] page flipping failed, disabling CRTC"
   href="show_bug.cgi?id=80191">https://bugs.freedesktop.org/show_bug.cgi?id=80191</a></pre>
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