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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Nouveau: corrupted laptop screen's EDID info"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73267#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Nouveau: corrupted laptop screen's EDID info"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73267">bug 73267</a>
from <span class="vcard"><a class="email" href="mailto:imirkin@alum.mit.edu" title="Ilia Mirkin <imirkin@alum.mit.edu>"> <span class="fn">Ilia Mirkin</span></a>
</span></b>
<pre>It appears that the correct values for the first 8 bytes are
00 ff ff ff ff ff ff 00
whereas you have them as
00 00 00 00 00 07 4f 00
(based on your earlier boots, and the last comment from <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - Nouveau seems to have corrupted my laptop screen's EDID info"
href="show_bug.cgi?id=34554">bug 34554</a>). Try to
stick the "correct" EDID into a file, and force its use via module options.
Take a look at
<a href="https://wiki.archlinux.org/index.php/Kernel_Mode_Setting#Forcing_modes_and_EDID">https://wiki.archlinux.org/index.php/Kernel_Mode_Setting#Forcing_modes_and_EDID</a>
specifically, you need something like:
drm_kms_helper.edid_firmware=LVDS-1:edid/your_edid.bin</pre>
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