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How to rename devices for graphical output such as VGA0
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On my Laptop the names of my graphical outputs change depending on what chip is activated in the BIOS. This leads to problems in some scripts where outputs such as VGA-0 or LVDS-0 are specified.
So I want to rename the graphical outputs, similar to how you can specify persistent names for network devices with udev.
But I can't find anything that would explain how or if this is even possible at all.
In /sys I could find kernel names such as as:
/sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-DVI-D-1
/sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-VGA-1
while xrandr reports the names as DVI1 and VGA1.
So they have to be renamed somewhere(?)
When I call udevadm info on one of those devices I get a lot of information but not the names used by xrandr and other X tools.
So is it possible to create a udev rule to rename the outputs and if so how?
Are the names even set by udev?
devices udev xrandr
asked Oct 5 '13 at 12:43
ifschleifeifschleife
1731 gold badge1 silver badge4 bronze badges
bumped to the homepage by Community♦ 25 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
On my Laptop the names of my graphical outputs change depending on what chip is activated in the BIOS. This leads to problems in some scripts where outputs such as VGA-0 or LVDS-0 are specified.
So I want to rename the graphical outputs, similar to how you can specify persistent names for network devices with udev.
But I can't find anything that would explain how or if this is even possible at all.
In /sys I could find kernel names such as as:
/sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-DVI-D-1
/sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-VGA-1
while xrandr reports the names as DVI1 and VGA1.
So they have to be renamed somewhere(?)
When I call udevadm info on one of those devices I get a lot of information but not the names used by xrandr and other X tools.
So is it possible to create a udev rule to rename the outputs and if so how?
Are the names even set by udev?
devices udev xrandr
asked Oct 5 '13 at 12:43
ifschleifeifschleife
1731 gold badge1 silver badge4 bronze badges
bumped to the homepage by Community♦ 25 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
Wouldn't be easier to usexrandrin the first place? I mean parse it's output to get the names you need rather than hard coding them into your scripts. This sounds like an XY problem. What do your scripts do?
– terdon♦
Oct 5 '13 at 23:26
Maybe I should have elaborated some more (or less). The outputs are not actually specified inside a script but in a config file for my window manager (i3). There might be some other way, I'm actually pretty sure there is. But I still want to know if the outputs can be renamed or not.
– ifschleife
Oct 6 '13 at 17:04
Have you found a clean way to solve this yet?
– Marcin Kaminski
Mar 15 '16 at 23:36
add a comment |
On my Laptop the names of my graphical outputs change depending on what chip is activated in the BIOS. This leads to problems in some scripts where outputs such as VGA-0 or LVDS-0 are specified.
So I want to rename the graphical outputs, similar to how you can specify persistent names for network devices with udev.
But I can't find anything that would explain how or if this is even possible at all.
In /sys I could find kernel names such as as:
/sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-DVI-D-1
/sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-VGA-1
while xrandr reports the names as DVI1 and VGA1.
So they have to be renamed somewhere(?)
When I call udevadm info on one of those devices I get a lot of information but not the names used by xrandr and other X tools.
So is it possible to create a udev rule to rename the outputs and if so how?
Are the names even set by udev?
devices udev xrandr
asked Oct 5 '13 at 12:43
ifschleifeifschleife
1731 gold badge1 silver badge4 bronze badges
On my Laptop the names of my graphical outputs change depending on what chip is activated in the BIOS. This leads to problems in some scripts where outputs such as VGA-0 or LVDS-0 are specified.
So I want to rename the graphical outputs, similar to how you can specify persistent names for network devices with udev.
But I can't find anything that would explain how or if this is even possible at all.
In /sys I could find kernel names such as as:
/sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-DVI-D-1
/sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-VGA-1
while xrandr reports the names as DVI1 and VGA1.
So they have to be renamed somewhere(?)
When I call udevadm info on one of those devices I get a lot of information but not the names used by xrandr and other X tools.
So is it possible to create a udev rule to rename the outputs and if so how?
Are the names even set by udev?
devices udev xrandr
devices udev xrandr
asked Oct 5 '13 at 12:43
ifschleifeifschleife
1731 gold badge1 silver badge4 bronze badges
asked Oct 5 '13 at 12:43
ifschleifeifschleife
1731 gold badge1 silver badge4 bronze badges
asked Oct 5 '13 at 12:43
ifschleifeifschleife
1731 gold badge1 silver badge4 bronze badges
asked Oct 5 '13 at 12:43
ifschleifeifschleife
1731 gold badge1 silver badge4 bronze badges
asked Oct 5 '13 at 12:43
ifschleifeifschleife
1731 gold badge1 silver badge4 bronze badges
1731 gold badge1 silver badge4 bronze badges
bumped to the homepage by Community♦ 25 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 25 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 25 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
Wouldn't be easier to usexrandrin the first place? I mean parse it's output to get the names you need rather than hard coding them into your scripts. This sounds like an XY problem. What do your scripts do?
– terdon♦
Oct 5 '13 at 23:26
Maybe I should have elaborated some more (or less). The outputs are not actually specified inside a script but in a config file for my window manager (i3). There might be some other way, I'm actually pretty sure there is. But I still want to know if the outputs can be renamed or not.
– ifschleife
Oct 6 '13 at 17:04
Have you found a clean way to solve this yet?
– Marcin Kaminski
Mar 15 '16 at 23:36
add a comment |
Wouldn't be easier to usexrandrin the first place? I mean parse it's output to get the names you need rather than hard coding them into your scripts. This sounds like an XY problem. What do your scripts do?
– terdon♦
Oct 5 '13 at 23:26
Maybe I should have elaborated some more (or less). The outputs are not actually specified inside a script but in a config file for my window manager (i3). There might be some other way, I'm actually pretty sure there is. But I still want to know if the outputs can be renamed or not.
– ifschleife
Oct 6 '13 at 17:04
Have you found a clean way to solve this yet?
– Marcin Kaminski
Mar 15 '16 at 23:36
Wouldn't be easier to use
xrandr in the first place? I mean parse it's output to get the names you need rather than hard coding them into your scripts. This sounds like an XY problem. What do your scripts do?– terdon♦
Oct 5 '13 at 23:26
Wouldn't be easier to use
xrandr in the first place? I mean parse it's output to get the names you need rather than hard coding them into your scripts. This sounds like an XY problem. What do your scripts do?– terdon♦
Oct 5 '13 at 23:26
Maybe I should have elaborated some more (or less). The outputs are not actually specified inside a script but in a config file for my window manager (i3). There might be some other way, I'm actually pretty sure there is. But I still want to know if the outputs can be renamed or not.
– ifschleife
Oct 6 '13 at 17:04
Maybe I should have elaborated some more (or less). The outputs are not actually specified inside a script but in a config file for my window manager (i3). There might be some other way, I'm actually pretty sure there is. But I still want to know if the outputs can be renamed or not.
– ifschleife
Oct 6 '13 at 17:04
Have you found a clean way to solve this yet?
– Marcin Kaminski
Mar 15 '16 at 23:36
Have you found a clean way to solve this yet?
– Marcin Kaminski
Mar 15 '16 at 23:36
add a comment |
1 Answer
1
active
oldest
votes
The name of the output is set by the graphics card driver. This is then passed through X to xrandr. I believe they base it on the kernel device name but there is no standard scheme that is used.
thinkwiki documents some of the variations.
answered Jul 29 '17 at 12:27
lodlod
101
add a comment |
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The name of the output is set by the graphics card driver. This is then passed through X to xrandr. I believe they base it on the kernel device name but there is no standard scheme that is used.
thinkwiki documents some of the variations.
answered Jul 29 '17 at 12:27
lodlod
101
add a comment |
The name of the output is set by the graphics card driver. This is then passed through X to xrandr. I believe they base it on the kernel device name but there is no standard scheme that is used.
thinkwiki documents some of the variations.
answered Jul 29 '17 at 12:27
lodlod
101
add a comment |
The name of the output is set by the graphics card driver. This is then passed through X to xrandr. I believe they base it on the kernel device name but there is no standard scheme that is used.
thinkwiki documents some of the variations.
answered Jul 29 '17 at 12:27
lodlod
101
The name of the output is set by the graphics card driver. This is then passed through X to xrandr. I believe they base it on the kernel device name but there is no standard scheme that is used.
thinkwiki documents some of the variations.
answered Jul 29 '17 at 12:27
lodlod
101
answered Jul 29 '17 at 12:27
lodlod
101
answered Jul 29 '17 at 12:27
lodlod
101
answered Jul 29 '17 at 12:27
lodlod
101
101
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Wouldn't be easier to use
xrandrin the first place? I mean parse it's output to get the names you need rather than hard coding them into your scripts. This sounds like an XY problem. What do your scripts do?– terdon♦
Oct 5 '13 at 23:26
Maybe I should have elaborated some more (or less). The outputs are not actually specified inside a script but in a config file for my window manager (i3). There might be some other way, I'm actually pretty sure there is. But I still want to know if the outputs can be renamed or not.
– ifschleife
Oct 6 '13 at 17:04
Have you found a clean way to solve this yet?
– Marcin Kaminski
Mar 15 '16 at 23:36