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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Text console blanking does not go away"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81382#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Text console blanking does not go away"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81382">bug 81382</a>
from <span class="vcard"><a class="email" href="mailto:daniel-kirsten-72@excite.com" title="Daniel Kirsten <daniel-kirsten-72@excite.com>"> <span class="fn">Daniel Kirsten</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=81382#c11">comment #11</a>)
<span class="quote">> I've got the same notebook as Daniel Kirsten, </span >
They sold different Amilo Xi 2550, there are even some Amilo Xi 2550 with
an Nvidia graphic card.
<span class="quote">> If I change /sys/class/backlight/radeon_bl0/brightness or
> /sys/class/backlight/acpi_video0 the display stayes dark.</span >
I can control brightness by writing 0-7 into
/sys/class/backlight/acpi_video0/brightness
You should comment out lines 233-234 in
drivers/gpu/drm/radeon/atombios_encoders.c,
i.e.,
/* if (bd->props.brightness == 0)
234 bd->props.brightness = RADEON_MAX_BL_LEVEL; */
then it works.
Daniel</pre>
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