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Absolute paths for WLR_DRM_DEVICES (file not found otherwise)

Dillon Dixon 2019-02-10 21:27:28 -08:00
parent 2e4cdb00b3
commit 9380e1b176
1 changed files with 3 additions and 3 deletions
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6
Home.md

@ -286,7 +286,7 @@ Unless specified otherwise, `wlroots` will choose a card for you and you could h
To use a different default card (listed in `/dev/dri/`), set this environment variable before starting sway:
```
WLR_DRM_DEVICES=card1 sway
WLR_DRM_DEVICES=/dev/dri/card1 sway
```
It's likely that you want sway to use the integrated (Intel) card, because probably that's the only one directly connected to the laptop monitor. However, the mapping between node names in `/dev/dri/` and actual cards isn't guaranteed to be the same across reboots.
@ -296,14 +296,14 @@ This script detects which is the device path of the integrated card and launches
```
#!/bin/sh
val=$(udevadm info -a -n /dev/dri/card1 | grep boot_vga | rev | cut -c 2)
cmd="WLR_DRM_DEVICES=card$val sway"
cmd="WLR_DRM_DEVICES=/dev/dri/card$val sway"
eval "$cmd"
```
You can also configure multiple graphics cards like so:
```
WLR_DRM_DEVICES=card0:card1 sway
WLR_DRM_DEVICES=/dev/dri/card0:/dev/dri/card1 sway
```
The first card is used for actual rendering, and display buffers are copied to the secondary cards for any displays connected to them.