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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WONTFIX - R9 290 low performance in Linux 4.7"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97260#c58">Comment # 58</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WONTFIX - R9 290 low performance in Linux 4.7"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97260">bug 97260</a>
from <span class="vcard"><a class="email" href="mailto:michel@daenzer.net" title="Michel Dänzer <michel@daenzer.net>"> <span class="fn">Michel Dänzer</span></a>
</span></b>
<pre>(In reply to Alex Deucher from <a href="show_bug.cgi?id=97260#c57">comment #57</a>)
<span class="quote">> If you can't bisect, does disabling async flips help (see attached patch)?</span >
Phoronix was still hitting the bad performance even with the broken
drm_mode_page_flip_ioctl code, which prevented page flips from working at all.
So that problem can't be even indirectly related to async flips. Seems like
it's most likely a DPM issue in the radeon driver. We really need someone
affected by that to bisect.</pre>
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