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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Intel GeminiLake corruption at top of screen caused by fbc"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108085#c35">Comment # 35</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Intel GeminiLake corruption at top of screen caused by fbc"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108085">bug 108085</a>
from <span class="vcard"><a class="email" href="mailto:geraud.bonhomme63@laposte.net" title="Geraud <geraud.bonhomme63@laposte.net>"> <span class="fn">Geraud</span></a>
</span></b>
<pre>(In reply to Daniel Drake from <a href="show_bug.cgi?id=108085#c26">comment #26</a>)
<span class="quote">> (In reply to Geraud from <a href="show_bug.cgi?id=108085#c25">comment #25</a>)
> > Yes I did the test yesterday adding kernel parameter or driver config
> > file...no luck the issue is still there.
>
> Can you double check that the parameter change took effect with the
> following command:
>
> > sudo cat /sys/module/i915/parameters/enable_fbc
>
> If it says "1" then you should open a new bug report as any screen
> corruption is not caused by fbc in that case.
>
> If it says "0" then something is wrong with the way you are setting the
> parameter.</span >
OK I did the check tonight: I put the drivers option using echo "options i915
enable_fbc=0" >> /storage/.config/modprobe.d/i915.conf.
I restarted and I did cat /sys/module/i915/parameters/enable_fbc with root
account...the result is "1"...
But still I'm a bit confused...if it is "1" shouldn't that mean that fbc is
activated? Meaning the issue comes from fbc?</pre>
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