[Bug 99103] Same output (DisplayPort) is used in multi-head configuration for different Devices/Displays

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99103

--- Comment #3 from Stefan.LAUTERWASSER at thalesgroup.com ---
May help:
- Monitor numbering driver internally seams to work.

- Who makes the mapping from card0-DP-1 to DisplayPort-0 etc.?
  The difference to fglrx driver is that the card index is not part of the
name.
  E.g. fglrx name looks like 0-DisplayPort-0.

- modes are available, but not all monitors are enabled

bash> grep " connected" /var/log/Xorg.0.log
[  5443.924] (II) RADEON(0): Output DisplayPort-0 connected
[  5443.958] (II) RADEON(1): Output DisplayPort-1 connected
[  5443.992] (II) RADEON(2): Output DisplayPort-1 connected
[  5444.027] (II) RADEON(3): Output DisplayPort-1 connected
[  5444.106] (II) RADEON(4): Output DisplayPort-6 connected
[  5444.185] (II) RADEON(5): Output DisplayPort-7 connected
[  5444.264] (II) RADEON(6): Output DisplayPort-7 connected
[  5444.343] (II) RADEON(7): Output DisplayPort-7 connected


bash> head -n 1 /sys/bus/pci/drivers/radeon/*/drm/card*/card*/modes
==> /sys/bus/pci/drivers/radeon/0000:05:00.0/drm/card0/card0-DP-1/modes <==
1680x1050

==> /sys/bus/pci/drivers/radeon/0000:05:00.0/drm/card0/card0-DP-2/modes <==
1680x1050

==> /sys/bus/pci/drivers/radeon/0000:05:00.0/drm/card0/card0-DP-3/modes <==

==> /sys/bus/pci/drivers/radeon/0000:05:00.0/drm/card0/card0-DP-4/modes <==

==> /sys/bus/pci/drivers/radeon/0000:05:00.0/drm/card0/card0-DP-5/modes <==
1680x1050

==> /sys/bus/pci/drivers/radeon/0000:05:00.0/drm/card0/card0-DP-6/modes <==
1680x1050

==> /sys/bus/pci/drivers/radeon/0000:06:00.0/drm/card1/card1-DP-7/modes <==
1920x1200

==> /sys/bus/pci/drivers/radeon/0000:06:00.0/drm/card1/card1-DP-8/modes <==
1920x1200

==> /sys/bus/pci/drivers/radeon/0000:06:00.0/drm/card1/card1-DP-9/modes <==

==> /sys/bus/pci/drivers/radeon/0000:06:00.0/drm/card1/card1-DP-10/modes <==

==> /sys/bus/pci/drivers/radeon/0000:06:00.0/drm/card1/card1-DP-11/modes <==
1920x1200

==> /sys/bus/pci/drivers/radeon/0000:06:00.0/drm/card1/card1-DP-12/modes <==
1920x1200


bash> head -n 1 /sys/bus/pci/drivers/radeon/*/drm/card*/card*/enabled
==> /sys/bus/pci/drivers/radeon/0000:05:00.0/drm/card0/card0-DP-1/enabled <==
enabled

==> /sys/bus/pci/drivers/radeon/0000:05:00.0/drm/card0/card0-DP-2/enabled <==
enabled

==> /sys/bus/pci/drivers/radeon/0000:05:00.0/drm/card0/card0-DP-3/enabled <==
disabled

==> /sys/bus/pci/drivers/radeon/0000:05:00.0/drm/card0/card0-DP-4/enabled <==
disabled

==> /sys/bus/pci/drivers/radeon/0000:05:00.0/drm/card0/card0-DP-5/enabled <==
enabled

==> /sys/bus/pci/drivers/radeon/0000:05:00.0/drm/card0/card0-DP-6/enabled <==
enabled

==> /sys/bus/pci/drivers/radeon/0000:06:00.0/drm/card1/card1-DP-7/enabled <==
enabled

==> /sys/bus/pci/drivers/radeon/0000:06:00.0/drm/card1/card1-DP-8/enabled <==
enabled

==> /sys/bus/pci/drivers/radeon/0000:06:00.0/drm/card1/card1-DP-9/enabled <==
disabled

==> /sys/bus/pci/drivers/radeon/0000:06:00.0/drm/card1/card1-DP-10/enabled <==
disabled

==> /sys/bus/pci/drivers/radeon/0000:06:00.0/drm/card1/card1-DP-11/enabled <==
disabled

==> /sys/bus/pci/drivers/radeon/0000:06:00.0/drm/card1/card1-DP-12/enabled <==
disabled

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