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61-gdm.rules.in
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61-gdm.rules.in
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SUBSYSTEM!="pci", GOTO="gdm_pci_device_end"
ACTION!="bind", ACTION!="add", GOTO="gdm_pci_device_end"
# cirrus
ATTR{vendor}=="0x1013", ATTR{device}=="0x00b8", ATTR{subsystem_vendor}=="0x1af4", ATTR{subsystem_device}=="0x1100", RUN+="/usr/bin/touch /run/udev/gdm-machine-has-virtual-gpu", ENV{GDM_MACHINE_HAS_VIRTUAL_GPU}="1", GOTO="gdm_pci_device_end"
# virtio
ATTR{vendor}=="0x1af4", ATTR{device}=="0x1050", ATTR{subsystem_vendor}=="0x1af4", ATTR{subsystem_device}=="0x1100", RUN+="/usr/bin/touch /run/udev/gdm-machine-has-virtual-gpu", ENV{GDM_MACHINE_HAS_VIRTUAL_GPU}="1", GOTO="gdm_pci_device_end"
# qxl
ATTR{vendor}=="0x1b36", ATTR{device}=="0x0100", RUN+="/usr/bin/touch /run/udev/gdm-machine-has-virtual-gpu", ENV{GDM_MACHINE_HAS_VIRTUAL_GPU}="1", GOTO="gdm_pci_device_end"
# vga
ATTR{vendor}=="0x1234", ATTR{device}=="0x1111", RUN+="/usr/bin/touch /run/udev/gdm-machine-has-virtual-gpu", ENV{GDM_MACHINE_HAS_VIRTUAL_GPU}="1", GOTO="gdm_pci_device_end"
# disable Wayland on Hi1710 chipsets
ATTR{vendor}=="0x19e5", ATTR{device}=="0x1711", GOTO="gdm_disable_wayland"
LABEL="gdm_pci_device_end"
# disable Wayland if modesetting is disabled
KERNEL!="card[0-9]*", GOTO="gdm_nomodeset_end"
KERNEL=="card[0-9]-*", GOTO="gdm_nomodeset_end"
SUBSYSTEM!="drm", GOTO="gdm_nomodeset_end"
# but keep it enabled for simple framebuffer drivers
DRIVERS=="simple-framebuffer", GOTO="gdm_nomodeset_end"
IMPORT{parent}="GDM_MACHINE_HAS_VIRTUAL_GPU"
ENV{GDM_MACHINE_HAS_VIRTUAL_GPU}!="1", RUN+="/usr/bin/touch /run/udev/gdm-machine-has-hardware-gpu"
IMPORT{cmdline}="nomodeset", GOTO="gdm_disable_wayland"
LABEL="gdm_nomodeset_end"
# The vendor nvidia driver has multiple modules that need to be loaded before GDM can make an
# informed choice on which way to proceed, so force GDM to wait until NVidia's modules are
# loaded before starting up.
KERNEL!="nvidia", GOTO="gdm_nvidia_end"
SUBSYSTEM!="module", GOTO="gdm_nvidia_end"
ACTION!="add", GOTO="gdm_nvidia_end"
RUN+="/usr/bin/touch /run/udev/gdm-machine-has-vendor-nvidia-driver"
# Import nvidia kernel parameters
IMPORT{program}="/bin/sh -c \"sed -e 's/: /=/g' -e 's/\([^[:upper:]]\)\([[:upper:]]\)/\1_\2/g' -e 's/[[:lower:]]/\U&/g' -e 's/^/NVIDIA_/' /proc/driver/nvidia/params\""
# Check if S0ix-based power management is available
# If it is, there's no need to check for the suspend/resume services
ENV{NVIDIA_ENABLE_S0IX_POWER_MANAGEMENT}=="1", GOTO="gdm_nvidia_suspend_end"
# Check if suspend/resume services necessary for working wayland support is available
TEST{0711}!="/usr/bin/nvidia-sleep.sh", GOTO="gdm_disable_wayland"
TEST{0711}!="/usr/lib/systemd/system-sleep/nvidia", GOTO="gdm_disable_wayland"
ENV{NVIDIA_PRESERVE_VIDEO_MEMORY_ALLOCATIONS}!="1", GOTO="gdm_disable_wayland"
IMPORT{program}="/bin/sh -c 'echo NVIDIA_HIBERNATE=`systemctl is-enabled nvidia-hibernate`'"
ENV{NVIDIA_HIBERNATE}!="enabled", GOTO="gdm_disable_wayland"
IMPORT{program}="/bin/sh -c 'echo NVIDIA_RESUME=`systemctl is-enabled nvidia-resume`'"
ENV{NVIDIA_RESUME}!="enabled", GOTO="gdm_disable_wayland"
IMPORT{program}="/bin/sh -c 'echo NVIDIA_SUSPEND=`systemctl is-enabled nvidia-suspend`'"
ENV{NVIDIA_SUSPEND}!="enabled", GOTO="gdm_disable_wayland"
LABEL="gdm_nvidia_suspend_end"
LABEL="gdm_nvidia_end"
# If this is a hybrid graphics setup, take note
KERNEL!="card[1-9]*", GOTO="gdm_hybrid_graphics_check_end"
KERNEL=="card[1-9]-*", GOTO="gdm_hybrid_graphics_check_end"
SUBSYSTEM!="drm", GOTO="gdm_hybrid_graphics_check_end"
ACTION!="add", GOTO="gdm_hybrid_graphics_check_end"
IMPORT{program}="/bin/sh -c \"echo GDM_NUMBER_OF_GRAPHICS_CARDS=`ls -1d /sys/class/drm/card[0-9] | wc -l`\""
ENV{GDM_NUMBER_OF_GRAPHICS_CARDS}=="1", RUN+="/usr/bin/rm -f /run/udev/gdm-machine-has-hybrid-graphics"
ENV{GDM_NUMBER_OF_GRAPHICS_CARDS}!="1", RUN+="/usr/bin/touch /run/udev/gdm-machine-has-hybrid-graphics"
LABEL="gdm_hybrid_graphics_check_end"
# Disable wayland in situation where we're in a guest with a virtual gpu and host passthrough gpu
LABEL="gdm_virt_passthrough_check"
TEST!="/run/udev/gdm-machine-has-hybrid-graphics", GOTO="gdm_virt_passthrough_check_end"
TEST!="/run/udev/gdm-machine-has-virtual-gpu", GOTO="gdm_virt_passthrough_check_end"
TEST!="/run/udev/gdm-machine-has-hardware-gpu", GOTO="gdm_virt_passthrough_check_end"
GOTO="gdm_disable_wayland"
LABEL="gdm_virt_passthrough_check_end"
# Disable wayland when there are multiple virtual gpus
LABEL="gdm_virt_multi_gpu_check"
TEST!="/run/udev/gdm-machine-has-hybrid-graphics", GOTO="gdm_virt_multi_gpu_check_end"
TEST!="/run/udev/gdm-machine-has-virtual-gpu", GOTO="gdm_virt_multi_gpu_check_end"
TEST=="/run/udev/gdm-machine-has-hardware-gpu", GOTO="gdm_virt_multi_gpu_check_end"
LABEL="gdm_virt_multi_gpu_check_end"
# Disable wayland when nvidia modeset is disabled
KERNEL!="nvidia_drm", GOTO="gdm_nvidia_drm_end"
SUBSYSTEM!="module", GOTO="gdm_nvidia_drm_end"
ACTION!="add", GOTO="gdm_nvidia_drm_end"
# disable wayland if nvidia-drm modeset is not enabled
ATTR{parameters/modeset}!="Y", GOTO="gdm_disable_wayland"
LABEL="gdm_nvidia_drm_end"
GOTO="gdm_end"
LABEL="gdm_prefer_xorg"
RUN+="@libexecdir@/gdm-runtime-config set daemon PreferredDisplayServer xorg"
GOTO="gdm_end"
LABEL="gdm_disable_wayland"
RUN+="@libexecdir@/gdm-runtime-config set daemon WaylandEnable false"
GOTO="gdm_end"
LABEL="gdm_end"