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systemd/rules/60-drm.rules
Marc-Andre Lureau 36971ed37b rules: add persistent by-path drm rules (#5337)
Create persistent symlinks for DRM devices, ex:
/dev/dri/by-path/pci-0000:00:02.0-card -> /dev/dri/card1
/dev/dri/by-path/pci-0000:00:02.0-render -> /dev/dri/renderD129
etc...

This allows to configure DRM device usage with stable paths.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-02-14 10:18:27 +01:00

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# do not edit this file, it will be overwritten on update
ACTION!="remove", SUBSYSTEM=="drm", SUBSYSTEMS=="pci|usb|platform", IMPORT{builtin}="path_id"
# by-path
ENV{ID_PATH}=="?*", KERNEL=="card*", SYMLINK+="dri/by-path/$env{ID_PATH}-card"
ENV{ID_PATH}=="?*", KERNEL=="controlD*", SYMLINK+="dri/by-path/$env{ID_PATH}-control"
ENV{ID_PATH}=="?*", KERNEL=="renderD*", SYMLINK+="dri/by-path/$env{ID_PATH}-render"