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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - commit "Disable CRTCs when disabling the outputs" makes my 3rd screen flicker"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=91227">91227</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>commit "Disable CRTCs when disabling the outputs" makes my 3rd screen flicker
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>xorg
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>git
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Driver/Radeon
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>xorg-driver-ati@lists.x.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>fredrik@obra.se
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>xorg-team@lists.x.org
          </td>
        </tr></table>
      <p>
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        <pre>VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde
PRO [Radeon HD 7750 / R7 250E] (prog-if 00 [VGA controller])
Subsystem: PC Partner Limited / Sapphire Technology Cape Verde PRO [Radeon HD
7750/8740 / R7 250E]
--

My 3rd display:
DVI-0 connected 1680x1050+3840+0 (normal left inverted right x axis y axis)
474mm x 296mm
   1680x1050     59.88*+
Flickers on and off a couple of times per minute. Nothing in dmesg but I see
this in xorg.log:

[   487.411] (WW) RADEON(0): flip queue failed in radeon_scanout_flip: Device
or resource busy
[   487.427] (WW) RADEON(0): flip queue failed in radeon_scanout_flip: Device
or resource busy
[   517.461] (WW) RADEON(0): flip queue failed in radeon_scanout_flip: Device
or resource busy
[   517.477] (WW) RADEON(0): flip queue failed in radeon_scanout_flip: Device
or resource busy


Reverting
<a href="http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/?id=ddaba449e8d6fe9fc0d97085e4045843fd8d7af9">http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/?id=ddaba449e8d6fe9fc0d97085e4045843fd8d7af9</a>
solves my issues.</pre>
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