<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [R9 270x] Intermittent flickering of entire screen"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73116#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [R9 270x] Intermittent flickering of entire screen"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73116">bug 73116</a>
from <span class="vcard"><a class="email" href="mailto:pvuorela@gmail.com" title="Pekka Vuorela <pvuorela@gmail.com>"> <span class="fn">Pekka Vuorela</span></a>
</span></b>
<pre>(In reply to peter.garba from <a href="show_bug.cgi?id=73116#c5">comment #5</a>)
<span class="quote">> It seems there is a problem with powersafe:
>
> With auto:
> echo auto > /sys/class/drm/card0/device/power_dpm_force_performance_level
>
> you will see heavy screen flickering on higher display resolutions (2560 x
> 1440). It's ok with 1920x1200.
>
> With low or high:
> echo low > /sys/class/drm/card0/device/power_dpm_force_performance_level or
> echo high > /sys/class/drm/card0/device/power_dpm_force_performance_level
>
> there is no screen flickering with all display resolutions.</span >
This. Was almost ready to throw R9 270x I bought out of the window as unusable
until tested above.
Ubuntu 17.04, kernel 4.10.0, xserver-org-video-radeon/ati 7.9.0, mesa 17.0.3
etc.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>