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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>
This commit is contained in:
Marc-Andre Lureau 2017-02-14 13:18:27 +04:00 committed by Lennart Poettering
parent f34182f00e
commit 36971ed37b
1 changed files with 5 additions and 0 deletions
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5
rules/60-drm.rules
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@ -1,3 +1,8 @@
# 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"