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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Radeonsi on Grenada cards (r9 390) exceptionally unstable and poorly performing"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91880#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Radeonsi on Grenada cards (r9 390) exceptionally unstable and poorly performing"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91880">bug 91880</a>
from <span class="vcard"><a class="email" href="mailto:luutifa@gmail.com" title="Lauri Gustafsson <luutifa@gmail.com>"> <span class="fn">Lauri Gustafsson</span></a>
</span></b>
<pre>I did get Unigine Heaven running with DPM on for a few seconds (before
hanging), showing way better frame rates than before.
It really seems that
- The performance issues are most likely caused by the lack of DPM
- DPM for Grenada GPUs is not supported completely
Or:
- My card has a really weird (stock) VBIOS that Radeon(si?) cannot
interpret/work with.</pre>
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