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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Radeonsi: High GTT usage in Prison Architect large map"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=88227">88227</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Radeonsi: High GTT usage in Prison Architect large map
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>DRI 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>DRM/Radeon
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>dri-devel@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>lothmordor@gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=111992" name="attach_111992" title="dmesg">attachment 111992</a> <a href="attachment.cgi?id=111992&action=edit" title="dmesg">[details]</a></span>
dmesg

Poor performace in Prison Architect (version alpha-28) when trying to play on
the large map setting.  Small map is smooth, Gallium hud showing 60fps.  A new
game with a large map (empty, nothing constructed) has about 0fps and high GTT
usage while zoomed out.  Zooming in fairly close on the large map shows a
decrease in GTT use and fps increases.

Kernel is linux-3.19.0-rc3
Running git versions of the following packages (updated Jan 08):
libdrm 566c3ce877a4be72697e15cdfc421ce965f7c37d
llvm c41acffe2297585ad56aa772de75e82c132070bb
xf86-video-ati 04da199231bb3f11cf17f94574a8df05855a7b82
mesa 3d8188d4f898afcf4f181de29e12c5b218bbd393

dmesg shows two errors:
[ 5665.586842] [drm:radeon_cs_ioctl [radeon]] *ERROR* Failed to parse
relocation -12!
[ 5750.747498] [drm:radeon_gem_va_ioctl [radeon]] *ERROR* Couldn't update BO_VA
(-512)

R600_DEBUG=cs shows:
radeon: The kernel rejected CS, see dmesg for more information.
R600_DEBUG=nodma seemed to have no effect.

Logs and gallium hud screenshots attached.  Just picked up this game, so not
sure if there is a regression involved.  Will try some older kernels and mesa.</pre>
        </div>
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