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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Backlight control not working on Pascal / GP106 using nouveau drivers"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100446#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Backlight control not working on Pascal / GP106 using nouveau drivers"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100446">bug 100446</a>
from <span class="vcard"><a class="email" href="mailto:carlo@caione.org" title="Carlo Caione <carlo@caione.org>"> <span class="fn">Carlo Caione</span></a>
</span></b>
<pre>In attachment (tar + xz -9):
- vbios
- mmiotrace
- demmio'd mmiotrace
The trace was taken in pure Xorg with only xterm running and:
echo "XSET50IN" > /sys/kernel/debug/tracing/trace_marker
&& xbacklight -set 50 -steps 1
&& echo "XSET50OUT" > /sys/kernel/debug/tracing/trace_marker
sleep 2
echo "XSET100IN" > /sys/kernel/debug/tracing/trace_marker
&& xbacklight -set 100 -steps 1
&& echo "XSET100OUT" > /sys/kernel/debug/tracing/trace_marker</pre>
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