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How do I tile two displays onto one monitor with AMD graphics
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I have a Dell UP2414Q monitor from 2014 that is using two tiles. The left and right side are basically a separate monitor, and DisplayPort's Multi-Stream Transport sends a signal to both.
On Windows, this works out of the box.
On Linux, there are two problems. 1: Both halves are separate. Only one half has the task bar, and full-screening anything goes to one of the halves. And 2: The halves are swapped. Right half is left.
For nVidia, this fixed the two issues:
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
Option "TwinView"
Option "TwinViewXineramaInfoOverride" "3840x2160+0+0"
Option "Stereo" "0"
Option "nvidiaXineramaInfoOrder" "DP-0.9, DP-0.8"
Option "metamodes" "DP-0.8: 1920x2160 +1920+0, DP-0.9: 1920x2160 +0+0"
EndSection
Now I can't figure out how to do this on a new AMD Picasso Raven APU computer running the amdgpu driver. There is Xinerama, which is old. There is also this new "tiling" support for this specific case. I can't figure out how to use either.
How do I use my Dell UP2414Q with MST over DP on my _AMD Ryzen 5 3400G?
Specs:
- Linux Mint 19.2
- Cinnamon 4.2
- Kernel 5.2.0
- Radeon Vega Graphics
- AMD/ATI Picasso
xorg amd-graphics xinerama twinview
asked 2 days ago
RedsandroRedsandro
3611 gold badge4 silver badges14 bronze badges
add a comment |
I have a Dell UP2414Q monitor from 2014 that is using two tiles. The left and right side are basically a separate monitor, and DisplayPort's Multi-Stream Transport sends a signal to both.
On Windows, this works out of the box.
On Linux, there are two problems. 1: Both halves are separate. Only one half has the task bar, and full-screening anything goes to one of the halves. And 2: The halves are swapped. Right half is left.
For nVidia, this fixed the two issues:
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
Option "TwinView"
Option "TwinViewXineramaInfoOverride" "3840x2160+0+0"
Option "Stereo" "0"
Option "nvidiaXineramaInfoOrder" "DP-0.9, DP-0.8"
Option "metamodes" "DP-0.8: 1920x2160 +1920+0, DP-0.9: 1920x2160 +0+0"
EndSection
Now I can't figure out how to do this on a new AMD Picasso Raven APU computer running the amdgpu driver. There is Xinerama, which is old. There is also this new "tiling" support for this specific case. I can't figure out how to use either.
How do I use my Dell UP2414Q with MST over DP on my _AMD Ryzen 5 3400G?
Specs:
- Linux Mint 19.2
- Cinnamon 4.2
- Kernel 5.2.0
- Radeon Vega Graphics
- AMD/ATI Picasso
xorg amd-graphics xinerama twinview
asked 2 days ago
RedsandroRedsandro
3611 gold badge4 silver badges14 bronze badges
add a comment |
I have a Dell UP2414Q monitor from 2014 that is using two tiles. The left and right side are basically a separate monitor, and DisplayPort's Multi-Stream Transport sends a signal to both.
On Windows, this works out of the box.
On Linux, there are two problems. 1: Both halves are separate. Only one half has the task bar, and full-screening anything goes to one of the halves. And 2: The halves are swapped. Right half is left.
For nVidia, this fixed the two issues:
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
Option "TwinView"
Option "TwinViewXineramaInfoOverride" "3840x2160+0+0"
Option "Stereo" "0"
Option "nvidiaXineramaInfoOrder" "DP-0.9, DP-0.8"
Option "metamodes" "DP-0.8: 1920x2160 +1920+0, DP-0.9: 1920x2160 +0+0"
EndSection
Now I can't figure out how to do this on a new AMD Picasso Raven APU computer running the amdgpu driver. There is Xinerama, which is old. There is also this new "tiling" support for this specific case. I can't figure out how to use either.
How do I use my Dell UP2414Q with MST over DP on my _AMD Ryzen 5 3400G?
Specs:
- Linux Mint 19.2
- Cinnamon 4.2
- Kernel 5.2.0
- Radeon Vega Graphics
- AMD/ATI Picasso
xorg amd-graphics xinerama twinview
asked 2 days ago
RedsandroRedsandro
3611 gold badge4 silver badges14 bronze badges
I have a Dell UP2414Q monitor from 2014 that is using two tiles. The left and right side are basically a separate monitor, and DisplayPort's Multi-Stream Transport sends a signal to both.
On Windows, this works out of the box.
On Linux, there are two problems. 1: Both halves are separate. Only one half has the task bar, and full-screening anything goes to one of the halves. And 2: The halves are swapped. Right half is left.
For nVidia, this fixed the two issues:
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
Option "TwinView"
Option "TwinViewXineramaInfoOverride" "3840x2160+0+0"
Option "Stereo" "0"
Option "nvidiaXineramaInfoOrder" "DP-0.9, DP-0.8"
Option "metamodes" "DP-0.8: 1920x2160 +1920+0, DP-0.9: 1920x2160 +0+0"
EndSection
Now I can't figure out how to do this on a new AMD Picasso Raven APU computer running the amdgpu driver. There is Xinerama, which is old. There is also this new "tiling" support for this specific case. I can't figure out how to use either.
How do I use my Dell UP2414Q with MST over DP on my _AMD Ryzen 5 3400G?
Specs:
- Linux Mint 19.2
- Cinnamon 4.2
- Kernel 5.2.0
- Radeon Vega Graphics
- AMD/ATI Picasso
xorg amd-graphics xinerama twinview
xorg amd-graphics xinerama twinview
asked 2 days ago
RedsandroRedsandro
3611 gold badge4 silver badges14 bronze badges
asked 2 days ago
RedsandroRedsandro
3611 gold badge4 silver badges14 bronze badges
asked 2 days ago
RedsandroRedsandro
3611 gold badge4 silver badges14 bronze badges
asked 2 days ago
RedsandroRedsandro
3611 gold badge4 silver badges14 bronze badges
asked 2 days ago
RedsandroRedsandro
3611 gold badge4 silver badges14 bronze badges
3611 gold badge4 silver badges14 bronze badges
add a comment |
add a comment |
1 Answer
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As far as I know, MST is broken on the kernel layer for 5.1+ kernels bug. It's quite weird that it's working on your setup.
In userspace we have TILE property in xrandr and this bug and this
First one is already fixed(at least in 5.3.0-rc3)
For Cinnamon, if gtk use xrandr monitors feature, than just make sure you have xf86-video-amdgpu-19.0.1 installed link
If not, you could try something like this barely working hack that I use for KDE:
xrandr --screen 0 --setmonitor DellUP2715K 5120/597x2880/336+0+0 DisplayPort-0,DisplayPort-1
xrandr --output DisplayPort-0 --mode 2560x2880
xrandr --output DisplayPort-1 --mode 2560x2880 --pos 0x0 --panning 5120x2880+0+0/0x0+2560+0/-2560/0/-2560/0
xrandr --fbmm 597x336
Just change values and put it in your xinitrc.d, and try some magic manipulations with your DM(like changing primary display).
UPD: 597x336 - dimensions of your screen in mm
edited yesterday
Dan
31 bronze badge
answered yesterday
DanDan
111 bronze badge
New contributor
Dan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Interesting. For me, 5.1 does not work, and 5.3 does not work. I need 5.2 with amdgpu 18.0.1. I'd like to try thexrandrcommands. I imagine I need1920x2160in stead of2560x2880, but what are those597and336numbers? What do they do and where can I find the correct numbers for my monitor?
– Redsandro
yesterday
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
As far as I know, MST is broken on the kernel layer for 5.1+ kernels bug. It's quite weird that it's working on your setup.
In userspace we have TILE property in xrandr and this bug and this
First one is already fixed(at least in 5.3.0-rc3)
For Cinnamon, if gtk use xrandr monitors feature, than just make sure you have xf86-video-amdgpu-19.0.1 installed link
If not, you could try something like this barely working hack that I use for KDE:
xrandr --screen 0 --setmonitor DellUP2715K 5120/597x2880/336+0+0 DisplayPort-0,DisplayPort-1
xrandr --output DisplayPort-0 --mode 2560x2880
xrandr --output DisplayPort-1 --mode 2560x2880 --pos 0x0 --panning 5120x2880+0+0/0x0+2560+0/-2560/0/-2560/0
xrandr --fbmm 597x336
Just change values and put it in your xinitrc.d, and try some magic manipulations with your DM(like changing primary display).
UPD: 597x336 - dimensions of your screen in mm
edited yesterday
Dan
31 bronze badge
answered yesterday
DanDan
111 bronze badge
New contributor
Dan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Interesting. For me, 5.1 does not work, and 5.3 does not work. I need 5.2 with amdgpu 18.0.1. I'd like to try thexrandrcommands. I imagine I need1920x2160in stead of2560x2880, but what are those597and336numbers? What do they do and where can I find the correct numbers for my monitor?
– Redsandro
yesterday
add a comment |
As far as I know, MST is broken on the kernel layer for 5.1+ kernels bug. It's quite weird that it's working on your setup.
In userspace we have TILE property in xrandr and this bug and this
First one is already fixed(at least in 5.3.0-rc3)
For Cinnamon, if gtk use xrandr monitors feature, than just make sure you have xf86-video-amdgpu-19.0.1 installed link
If not, you could try something like this barely working hack that I use for KDE:
xrandr --screen 0 --setmonitor DellUP2715K 5120/597x2880/336+0+0 DisplayPort-0,DisplayPort-1
xrandr --output DisplayPort-0 --mode 2560x2880
xrandr --output DisplayPort-1 --mode 2560x2880 --pos 0x0 --panning 5120x2880+0+0/0x0+2560+0/-2560/0/-2560/0
xrandr --fbmm 597x336
Just change values and put it in your xinitrc.d, and try some magic manipulations with your DM(like changing primary display).
UPD: 597x336 - dimensions of your screen in mm
edited yesterday
Dan
31 bronze badge
answered yesterday
DanDan
111 bronze badge
New contributor
Dan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Interesting. For me, 5.1 does not work, and 5.3 does not work. I need 5.2 with amdgpu 18.0.1. I'd like to try thexrandrcommands. I imagine I need1920x2160in stead of2560x2880, but what are those597and336numbers? What do they do and where can I find the correct numbers for my monitor?
– Redsandro
yesterday
add a comment |
As far as I know, MST is broken on the kernel layer for 5.1+ kernels bug. It's quite weird that it's working on your setup.
In userspace we have TILE property in xrandr and this bug and this
First one is already fixed(at least in 5.3.0-rc3)
For Cinnamon, if gtk use xrandr monitors feature, than just make sure you have xf86-video-amdgpu-19.0.1 installed link
If not, you could try something like this barely working hack that I use for KDE:
xrandr --screen 0 --setmonitor DellUP2715K 5120/597x2880/336+0+0 DisplayPort-0,DisplayPort-1
xrandr --output DisplayPort-0 --mode 2560x2880
xrandr --output DisplayPort-1 --mode 2560x2880 --pos 0x0 --panning 5120x2880+0+0/0x0+2560+0/-2560/0/-2560/0
xrandr --fbmm 597x336
Just change values and put it in your xinitrc.d, and try some magic manipulations with your DM(like changing primary display).
UPD: 597x336 - dimensions of your screen in mm
edited yesterday
Dan
31 bronze badge
answered yesterday
DanDan
111 bronze badge
New contributor
Dan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
As far as I know, MST is broken on the kernel layer for 5.1+ kernels bug. It's quite weird that it's working on your setup.
In userspace we have TILE property in xrandr and this bug and this
First one is already fixed(at least in 5.3.0-rc3)
For Cinnamon, if gtk use xrandr monitors feature, than just make sure you have xf86-video-amdgpu-19.0.1 installed link
If not, you could try something like this barely working hack that I use for KDE:
xrandr --screen 0 --setmonitor DellUP2715K 5120/597x2880/336+0+0 DisplayPort-0,DisplayPort-1
xrandr --output DisplayPort-0 --mode 2560x2880
xrandr --output DisplayPort-1 --mode 2560x2880 --pos 0x0 --panning 5120x2880+0+0/0x0+2560+0/-2560/0/-2560/0
xrandr --fbmm 597x336
Just change values and put it in your xinitrc.d, and try some magic manipulations with your DM(like changing primary display).
UPD: 597x336 - dimensions of your screen in mm
edited yesterday
Dan
31 bronze badge
answered yesterday
DanDan
111 bronze badge
New contributor
Dan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited yesterday
Dan
31 bronze badge
edited yesterday
Dan
31 bronze badge
edited yesterday
Dan
31 bronze badge
31 bronze badge
answered yesterday
DanDan
111 bronze badge
New contributor
Dan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
answered yesterday
DanDan
111 bronze badge
answered yesterday
DanDan
111 bronze badge
111 bronze badge
New contributor
Dan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Dan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Interesting. For me, 5.1 does not work, and 5.3 does not work. I need 5.2 with amdgpu 18.0.1. I'd like to try thexrandrcommands. I imagine I need1920x2160in stead of2560x2880, but what are those597and336numbers? What do they do and where can I find the correct numbers for my monitor?
– Redsandro
yesterday
add a comment |
Interesting. For me, 5.1 does not work, and 5.3 does not work. I need 5.2 with amdgpu 18.0.1. I'd like to try thexrandrcommands. I imagine I need1920x2160in stead of2560x2880, but what are those597and336numbers? What do they do and where can I find the correct numbers for my monitor?
– Redsandro
yesterday
Interesting. For me, 5.1 does not work, and 5.3 does not work. I need 5.2 with amdgpu 18.0.1. I'd like to try the
xrandr commands. I imagine I need 1920x2160 in stead of 2560x2880, but what are those 597 and 336 numbers? What do they do and where can I find the correct numbers for my monitor?– Redsandro
yesterday
Interesting. For me, 5.1 does not work, and 5.3 does not work. I need 5.2 with amdgpu 18.0.1. I'd like to try the
xrandr commands. I imagine I need 1920x2160 in stead of 2560x2880, but what are those 597 and 336 numbers? What do they do and where can I find the correct numbers for my monitor?– Redsandro
yesterday
add a comment |
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