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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL] LSPCon and DisplayPort always output limited range RGB, even when it should output full range RGB"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100023#c25">Comment # 25</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL] LSPCon and DisplayPort always output limited range RGB, even when it should output full range RGB"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100023">bug 100023</a>
from <span class="vcard"><a class="email" href="mailto:martin.peres@free.fr" title="Martin Peres <martin.peres@free.fr>"> <span class="fn">Martin Peres</span></a>
</span></b>
<pre>(In reply to Michał Kopeć from <a href="show_bug.cgi?id=100023#c21">comment #21</a>)
<span class="quote">> Apologies, previous comment was submitted accidentally before I finished it.
> Feel free to remove it.
>
> This issue is affecting me as well. My setup is:
> - Lenovo ThinkPad T430 with HD 4000
> - HP LA2306x connected via DisplayPort on the laptop docking station
> - Arch Linux with kernel 4.17.3
>
> DisplayPort output defaults to 16-235 color range, while any other outputs
> on the laptop will correctly output 0-255 full RGB. There is currently no
> way to set the driver to default to Full RGB regardless of what the display
> EDID is.</span >
Thanks for telling us! Could you follow the instructions of Jani in comment
<a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL] LSPCon and DisplayPort always output limited range RGB, even when it should output full range RGB"
href="show_bug.cgi?id=100023#c16">https://bugs.freedesktop.org/show_bug.cgi?id=100023#c16</a>?</pre>
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