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nixos/doc: Improve release notes for xrandrHeads

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The xrandrHeads option has been there since a long time, so there is no
need to advertise it as a new feature.

Instead, let's focus on just what has changed, which is that we now
assign one head to be primary.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
This commit is contained in:
aszlig 2017-04-24 11:54:38 +02:00
parent 8266c89b55
commit d7a8876c13
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1 changed files with 19 additions and 6 deletions
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25
nixos/doc/manual/release-notes/rl-1709.xml
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@ -19,12 +19,25 @@ has the following highlights: </para>
</listitem>
<listitem>
<para>
Xserver services module now allows one to specify configuration for each monitor.
This is done via the xrandrHeads property. It is backwards compatible, so your
existing configuration still works. You can replace each monitor designation with
an attribute set containing the monitor designation, whether the monitor is the
primary monitor, and extra configuration for that specific monitor. Only one
monitor can be the primary monitor.
The module option <option>services.xserver.xrandrHeads</option> now
causes the first head specified in this list to be set as the primary
head. Apart from that, it's now possible to also set additional options
by using an attribute set, for example:
<programlisting>
{ services.xserver.xrandrHeads = [
"HDMI-0"
{
output = &quot;DVI-0&quot;;
primary = true;
monitorConfig = ''
Option &quot;Rotate&quot; &quot;right&quot;
'';
}
];
}
</programlisting>
This will set the <literal>DVI-0</literal> output to be the primary head,
even though <literal>HDMI-0</literal> is the first head in the list.
</para>
</listitem>
</itemizedlist>