On Thu, 10 Sep 2015 09:40:40 -0600
CS DBA wrote:
> Anyone have any ideas how to fix it?
I run this perl script from /etc/X11/xinit/xinitrc.d/ to fix the moronic
default in the Intel video driver that restricts color levels to
"broadcast" standards:
#!/usr/bin/perl
#
# First run xrandr --properties and look for the current setting
# for "Broadcast RGB" on output HDMI2, then set it to Full if it
# isn't already (that at least keeps the flickering to a minimum).
#
my $fd;
my $curout='';
my $curmode='';
if (open($fd, '-|', "/bin/bash -c 'xrandr --verbose'")) {
while (<$fd>) {
if (/^(\S+)/) {
$curout = $1;
} elsif (($curout eq 'HDMI2') && (/^\s*Broadcast RGB:\s*(\S+)/)) {
$curmode = $1;
}
}
close($fd);
if ($curmode ne "Full") {
system('xrandr', '--output', 'HDMI2', '--set', 'Broadcast RGB', 'Full');
}
}
Probably 'HDMI2' isn't the output device you'll want, but once you
figure out which device you do want, this may fix your problem.
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