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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [awesomenauts][radeonsi] pageflip is clearly missing vblank with vsync on"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79850#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [awesomenauts][radeonsi] pageflip is clearly missing vblank with vsync on"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79850">bug 79850</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>Are you sure it's using page flipping? If you write 2 to
/sys/module/drm/parameters/debug, do you get messages like
[drm:radeon_crtc_page_flip] flip-ioctl() cur_fbo = ffff880100f89000, cur_bbo =
ffff88000d714800
in dmesg?</pre>
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