<div dir="ltr">We have a similar problem: A HD6570(TURKS) card with RS780E chipset. When booting, DVI output is good, but VGA output is black screen; after X started, DVI is still good and VGA blinks forever. We have tried 3.4~3.9-rc7 kernel, all kernels after the commit "drm/radeon: properly handle mc_stop/mc_resume on evergreen+" has the same issue.<br>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Nov 12, 2012 at 2:55 AM,  <span dir="ltr"><<a href="mailto:bugzilla-daemon@freedesktop.org" target="_blank">bugzilla-daemon@freedesktop.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
    
      
    
    <div><span><a href="mailto:florian@mickler.org" title="Florian Mickler <florian@mickler.org>" target="_blank"> <span>Florian Mickler</span></a>
</span> changed
              <a title="NEW --- - [bisected] kernel 3.7.0-rc1 breaks 6950 (CAYMAN)" href="https://bugs.freedesktop.org/show_bug.cgi?id=56139" target="_blank">bug 56139</a>
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            <th>Removed</th>
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           <td style="text-align:right">CC</td>
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           <td><a href="mailto:florian@mickler.org" target="_blank">florian@mickler.org</a>
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            <b><a title="NEW --- - [bisected] kernel 3.7.0-rc1 breaks 6950 (CAYMAN)" href="https://bugs.freedesktop.org/show_bug.cgi?id=56139#c25" target="_blank">Comment # 25</a>
              on <a title="NEW --- - [bisected] kernel 3.7.0-rc1 breaks 6950 (CAYMAN)" href="https://bugs.freedesktop.org/show_bug.cgi?id=56139" target="_blank">bug 56139</a>
              from <span><a href="mailto:florian@mickler.org" title="Florian Mickler <florian@mickler.org>" target="_blank"> <span>Florian Mickler</span></a>
</span></b>
        <pre>A patch referencing this bug report has been merged in Linux v3.7-rc5:

commit 695ddeb457584a602f2ba117d08ce37cf6ec1589
Author: Alex Deucher <<a href="mailto:alexander.deucher@amd.com" target="_blank">alexander.deucher@amd.com</a>>
Date:   Mon Nov 5 16:34:58 2012 +0000

    drm/radeon: fix typo in evergreen_mc_resume()</pre>
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