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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [Regression]: intel_backlight fails to change eDP1 brightness on Dell Precision 5540 (Coffeelake)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111202#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [Regression]: intel_backlight fails to change eDP1 brightness on Dell Precision 5540 (Coffeelake)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111202">bug 111202</a>
from <span class="vcard"><a class="email" href="mailto:arcadiy@ivanov.biz" title="Arcadiy Ivanov <arcadiy@ivanov.biz>"> <span class="fn">Arcadiy Ivanov</span></a>
</span></b>
<pre><span class="quote">> [ 6.495549] [drm:intel_dp_aux_enable_backlight [i915]] VBT defined backlight frequency 200 Hz
> [ 6.496173] [drm:intel_dp_aux_enable_backlight [i915]] VBT defined backlight frequency out of range</span >
Could the "out of range" be the culprit? I would think that a thing like that
should not be a debug log message but rather an error/warning.</pre>
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