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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Black screen with KMS on powerpc iBook"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=90220#c5">Comment # 5</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Black screen with KMS on powerpc iBook"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=90220">bug 90220</a>
              from <span class="vcard"><a class="email" href="mailto:mathieu.malaterre@gmail.com" title="Mathieu Malaterre <mathieu.malaterre@gmail.com>"> <span class="fn">Mathieu Malaterre</span></a>
</span></b>
        <pre>The issue:

[...]
[drm:drm_calc_timestamping_constants] *ERROR* crtc 14: Can't calculate
constants, dotclock = 0!
[...]

can also be seen here:

<a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [HSW] *ERROR* crtc 21: Can't calculate constants, dotclock = 0!"
   href="show_bug.cgi?id=91428">https://bugs.freedesktop.org/show_bug.cgi?id=91428</a></pre>
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