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| author | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2019-10-17 12:37:12 +0200 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2019-10-19 20:52:42 +0200 |
| commit | 0325f71926b0bfad24d998335ce533b0554db7f0 (patch) | |
| tree | 4f8841ee0ef83a6d4099c22cd73ab8e1e31ba972 | |
| parent | d2fc7d22cbe4f72c5993cd02b414aad60674c7f7 (diff) | |
| download | systemd-0325f71926b0bfad24d998335ce533b0554db7f0.tar.gz | |
udev: tag any display devices as master-of-seat when nomodeset is used
Fixes #13773. See also https://bugzilla.redhat.com/show_bug.cgi?id=1728240,
https://github.com/sddm/sddm/issues/1204.
When nomodeset is used on the kernel command line, there is no graphics
device that the kernel knows, so we don't tag anything as master-of-seat,
and seat0 has CanGraphical=no.
$ loginctl seat-status seat0 ; loginctl show-seat seat0
seat0
Devices:
├─/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
│ input:input0 "Power Button"
├─/sys/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb1
│ usb:usb1
│ └─/sys/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb1/1-1/1-1:1.0/0003:0627:0001.0001/input/input4
│ input:input4 "QEMU QEMU USB Tablet"
├─/sys/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb2
│ usb:usb2
├─/sys/devices/pci0000:00/0000:00:1b.0/sound/card0
│ sound:card0 "Intel"
├─/sys/devices/platform/i8042/serio0/input/input1
│ input:input1 "AT Translated Set 2 keyboard"
│ ├─/sys/devices/platform/i8042/serio0/input/input1/input1::capslock
│ │ leds:input1::capslock
│ ├─/sys/devices/platform/i8042/serio0/input/input1/input1::numlock
│ │ leds:input1::numlock
│ └─/sys/devices/platform/i8042/serio0/input/input1/input1::scrolllock
│ leds:input1::scrolllock
└─/sys/devices/platform/i8042/serio1/input/input3
input:input3 "ImExPS/2 Generic Explorer Mouse"
Id=seat0
CanMultiSession=yes
CanTTY=yes
CanGraphical=no
Sessions=
IdleHint=yes
IdleSinceHint=0
IdleSinceHintMonotonic=0
Let's tag the PCI device with "master-of-seat", so we get CanGraphical=yes, and "seat",
so it is show as part of the seat:
[fedora@f31-bios ~]$ loginctl seat-status seat0 ; loginctl show-seat seat0
seat0
Devices:
├─/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
│ input:input0 "Power Button"
├─/sys/devices/pci0000:00/0000:00:01.0
│ [MASTER] pci:0000:00:01.0
├─/sys/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb1
│ usb:usb1
│ └─/sys/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb1/1-1/1-1:1.0/0003:0627:0001.0001/input/input4
│ input:input4 "QEMU QEMU USB Tablet"
├─/sys/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb2
│ usb:usb2
├─/sys/devices/pci0000:00/0000:00:1b.0/sound/card0
│ sound:card0 "Intel"
├─/sys/devices/platform/i8042/serio0/input/input1
│ input:input1 "AT Translated Set 2 keyboard"
│ ├─/sys/devices/platform/i8042/serio0/input/input1/input1::capslock
│ │ leds:input1::capslock
│ ├─/sys/devices/platform/i8042/serio0/input/input1/input1::numlock
│ │ leds:input1::numlock
│ └─/sys/devices/platform/i8042/serio0/input/input1/input1::scrolllock
│ leds:input1::scrolllock
└─/sys/devices/platform/i8042/serio1/input/input3
input:input3 "ImExPS/2 Generic Explorer Mouse"
Id=seat0
CanMultiSession=yes
CanTTY=yes
CanGraphical=yes
Sessions=
IdleHint=yes
IdleSinceHint=0
IdleSinceHintMonotonic=0
| -rw-r--r-- | src/login/71-seat.rules.in | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/login/71-seat.rules.in b/src/login/71-seat.rules.in index 6010f048ae..2bbd18363e 100644 --- a/src/login/71-seat.rules.in +++ b/src/login/71-seat.rules.in @@ -24,6 +24,11 @@ SUBSYSTEM=="graphics", KERNEL=="fb[0-9]", DRIVERS=="hyperv_fb", TAG+="master-of- # Allow efifb / uvesafb to be a master if KMS is disabled SUBSYSTEM=="graphics", KERNEL=="fb[0-9]", IMPORT{cmdline}="nomodeset", TAG+="master-of-seat" +# Allow any PCI graphics device to be a master and synthesize a seat if KMS +# is disabled and the kernel doesn't have a driver that would work with this device. +SUBSYSTEM=="pci", ENV{ID_PCI_CLASS_FROM_DATABASE}=="Display controller", \ + ENV{DRIVER}=="", IMPORT{cmdline}="nomodeset", TAG+="seat", TAG+="master-of-seat" + SUBSYSTEM=="drm", KERNEL=="card[0-9]*", TAG+="seat", TAG+="master-of-seat" SUBSYSTEM=="usb", ATTR{bDeviceClass}=="09", TAG+="seat" |