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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [DP MST + DP-HDMI] DisplayPort always defaults to incorrect limited-range RGB on FullHD external display"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108821#c20">Comment # 20</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [DP MST + DP-HDMI] DisplayPort always defaults to incorrect limited-range RGB on FullHD external display"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108821">bug 108821</a>
from <span class="vcard"><a class="email" href="mailto:ari@adyline.sk" title="Ivan Vlk <ari@adyline.sk>"> <span class="fn">Ivan Vlk</span></a>
</span></b>
<pre>Seems, that this property is really missing in this case for DP. Any
possibility to fix this, please?
$ xrandr -q --prop
Screen 0: minimum 320 x 200, current 1600 x 900, maximum 8192 x 8192
eDP-1 connected (normal left inverted right x axis y axis)
EDID:
00ffffffffffff0006afed2300000000
001a010495221378116e859358589228
1e505400000001010101010101010101
010101010101143780a670382e406c30
aa0058c110000018b82480a670382e40
6c30aa0058c110000018000000000000
00000000000000000000000000000002
001048ff0f3c6e0f16286e2020200033
scaling mode: Full aspect
supported: Full, Center, Full aspect
Broadcast RGB: Automatic
supported: Automatic, Full, Limited 16:235
non-desktop: 0
range: (0, 1)
link-status: Good
supported: Good, Bad
1920x1080 60.03 + 40.02
DP-1 disconnected (normal left inverted right x axis y axis)
Content Protection: Undesired
supported: Undesired, Desired, Enabled
Broadcast RGB: Automatic
supported: Automatic, Full, Limited 16:235
audio: auto
supported: force-dvi, off, auto, on
non-desktop: 0
range: (0, 1)
link-status: Good
supported: Good, Bad
HDMI-1 disconnected (normal left inverted right x axis y axis)
Content Protection: Undesired
supported: Undesired, Desired, Enabled
content type: No Data
supported: No Data, Graphics, Photo, Cinema, Game
aspect ratio: Automatic
supported: Automatic, 4:3, 16:9
Broadcast RGB: Automatic
supported: Automatic, Full, Limited 16:235
audio: auto
supported: force-dvi, off, auto, on
non-desktop: 0
range: (0, 1)
link-status: Good
supported: Good, Bad
DP-2 disconnected (normal left inverted right x axis y axis)
Content Protection: Undesired
supported: Undesired, Desired, Enabled
Broadcast RGB: Automatic
supported: Automatic, Full, Limited 16:235
audio: auto
supported: force-dvi, off, auto, on
non-desktop: 0
range: (0, 1)
link-status: Good
supported: Good, Bad
HDMI-2 disconnected (normal left inverted right x axis y axis)
Content Protection: Undesired
supported: Undesired, Desired, Enabled
content type: No Data
supported: No Data, Graphics, Photo, Cinema, Game
aspect ratio: Automatic
supported: Automatic, 4:3, 16:9
Broadcast RGB: Automatic
supported: Automatic, Full, Limited 16:235
audio: auto
supported: force-dvi, off, auto, on
non-desktop: 0
range: (0, 1)
link-status: Good
supported: Good, Bad
DP-2-1 disconnected (normal left inverted right x axis y axis)
non-desktop: 0
range: (0, 1)
link-status: Good
supported: Good, Bad
DP-2-2 connected primary 1600x900+0+0 (normal left inverted right x axis y
axis) 598mm x 336mm
_MUTTER_PRESENTATION_OUTPUT: 0
EDID:
00ffffffffffff004c2d670b55353043
15180103803c22782a9791a556549d25
0e5054bfef80714f81c0810081809500
a9c0b3000101023a801871382d40582c
450056502100001e011d007251d01e20
6e28550056502100001e000000fd0032
4b1e5111000a202020202020000000fc
00533237443339300a202020202001c0
02031af14690041f1303122309070783
01000066030c00100080011d00bc52d0
1e20b828554056502100001e8c0ad090
204031200c4055005650210000188c0a
d08a20e02d10103e9600565021000018
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000061
non-desktop: 0
range: (0, 1)
link-status: Good
supported: Good, Bad
1920x1080 60.00 + 50.00 59.94
1680x1050 59.88
1600x900 60.00*
1280x1024 75.02 60.02
1440x900 59.90
1280x800 59.91
1152x864 75.00
1280x720 60.00 50.00 59.94
1024x768 75.03 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
720x576 50.00
720x480 60.00 59.94
640x480 75.00 72.81 66.67 60.00 59.94
720x400 70.08
DP-2-3 disconnected (normal left inverted right x axis y axis)
non-desktop: 0
range: (0, 1)
link-status: Good
supported: Good, Bad</pre>
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