Comments (7)
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@rockowitz I was working using AMD's open source drivers. I will simply upload the files next time. When I remove the xorg.conf
file and only use xorg.conf.d/90-nvidia_i2c.conf
file seen below, then the second display also does not show up.
I do not have a DVI input available unfortunately and cannot test that proposed solution.
Section "Device"
Identifier "Dev0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
Option "RegistryDwords" "RMUseSwI2c=0x01; RMI2cSpeed=100"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Dev0"
Monitor "Monitor0"
DefaultDepth 24
Option "DPI" "96 x 96"
Option "metamodes" "nvidia-auto-select +0+0 { ForceFullCompositionPipeline = On }"
SubSection "Display"
Depth 24
EndSubSection
EndSection
I have to add the screen settings or I end up with a dpi of 117 on a 1440p 25" monitor which I don't want. The metamodes option also helps with tearing for me.
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from ddcutil.
The GTX 1070 does have a DVI connector, but my monitors do not. My GTX 1070 also only has 1 HDMI output which is already connected to the monitor. I just tried to disable DP 1.2 on the monitor as that is required for MST, but it doesn't seem to detect the monitor still. MST is not being used afaik, both monitors are connected with separate cables, one with HDMI and the other with DP.
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I was facing issues with Nvidia driver for my single monitor setup using HDMI with GT-1030 Pascal Series GPU.
This helped me fix the issue : http://www.ddcutil.com/nvidia/
You can try this once..
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@anupam-git that does not work for DisplayPort. I'm just going to get a second HDMI cable and hope it's fixed.
Edit: noticed that I only have 1 HDMI out so I'll have to stick with nouveau.
from ddcutil.
I have a similar problem. ddcutil detect
fails to detect second monitor which is connected by HDMI. It only detects the primary monitor connected via displayport. (The second monitor ddc input switch works from my Mac though)
ddcutil version: 1.1.0
Output level: Verbose
Reporting DDC data errors: false
Trace groups active: none
Traced functions: none
Traced files: none
Force I2C slave address: false
User defined features: disabled
Performance and Retry Options:
Deferred sleep enabled: false
Sleep suppression (reduced sleeps) enabled: true
Dynamic sleep adjustment enabled: false
Configuration file: (none)
Display 1
I2C bus: /dev/i2c-6
I2C address 0x50 (EDID) responsive: true
Is eDP device: false
Is LVDS device: false
/sys/bus/i2c/devices/i2c-6/name: NVIDIA i2c adapter 6 at 2d:00.0
EDID synopsis:
Mfg id: PHL
Model: PHL 276E8V
Product code: 49551
Serial number:
Binary serial number: 1919 (0x0000077f)
Manufacture year: 2020, Week: 27
VCP version: 2.2
Controller mfg: Mstar
Firmware version: 1.0
Monitor returns DDC Null Response for unsupported features: false
from ddcutil.
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