Created attachment 104613 [details] colormgr get-devices Arch Linux x86_64 extra/colord 1.2.1-1 System daemon for managing color devices local/colord-kde 0.3.0-1 Interfaces and session daemon to colord for KDE colormgr get-devices output is attached. There used to be a utility called gcm-dump-edid (or so), but I cannot find it anymore in gnome-color-manager Git though. Instead, I attach the output of get-edid | parse-edid and xrandr --verbose. Also, dispcalGUI detects the vendor name correctly.
Created attachment 104614 [details] get-edid parse-edid
Created attachment 104615 [details] xrandr --verbose
Created attachment 104616 [details] iccdump of profile generated by dispcalGUI (Argyll CMS)
Err, that parse-edid output has: "Your EDID is probably invalid." -- Can you attach the contents of "/sys/class/drm*DP2*/edid" please
Created attachment 104619 [details] cat /sys/class/drm/card0-DP-2/edid Here it is.
Hmm, so colord actually parses this correctly, i.e. this passes: https://github.com/hughsie/colord/commit/7cc97189ea76bf78fb086cc4d86f834d0248180c I don't think the EDID parser in colord-kde is doing the right thing; GNOME just uses CdEdid from the colord project directly and so doesn't hit this bug. You probably need to open a KDE bug either asking colord-kde to use CdEdid, or to fix the EDID parser used there. Richard
Hm. Does it mean that /usr/bin/colormgr uses colord-kde daemon to query devices or to parse edid? Because there is "unknown" vendor in "colormgr get-devices" shown as well: $ LANG=C colormgr get-devices Object Path: /org/freedesktop/ColorManager/devices/xrandr_DELL_U2713H_C6F0K34T1CWL_mu_1000 Owner: mu Created: August 14 2014, 03:16:56 PM Modified: August 14 2014, 03:16:56 PM Type: display Enabled: Yes Embedded: Yes Model: DELL U2713H Vendor: unknown Serial: C6F0K34T1CWL Seat: seat0 Scope: temp Colorspace: rgb Device ID: xrandr-DELL U2713H-C6F0K34T1CWL
No, the daemon only parses the EDID options for a couple of fallback options -- the session is the thing that creates the devices. You can test this by removing colord-kde, restarting and seeing no output devices being detected.
Thanks for info. Reported to KDE: https://bugs.kde.org/show_bug.cgi?id=338269
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