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81 lines
3.3 KiB
Markdown
81 lines
3.3 KiB
Markdown
# Foreword
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There is no _official_ support for Nvidia. Unfortunately, their drivers are so
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messy, and their products so random, that it's impossible for us to help if
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these instructions don't work fully.
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Every card seems to be random, and might work perfectly, or not work at all.
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Nevertheless, it's recommended to at least try this tutorial.
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## How to get Hyprland to possibly work on Nvidia
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Install the `nvidia-dkms` driver and add it to your initramfs & kernel
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parameters. Follow the information available here:
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[https://wiki.archlinux.org/title/NVIDIA#DRM_kernel_mode_setting](https://wiki.archlinux.org/title/NVIDIA#DRM_kernel_mode_setting)
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in `/etc/mkinitcpio.conf` add `nvidia nvidia_modeset nvidia_uvm nvidia_drm` to your `MODULES`
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run `# mkinitcpio --config /etc/mkinitcpio.conf --generate /boot/initramfs-custom.img`
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add a new line to `/etc/modprobe.d/nvidia.conf` (make it if it does not exist) and add the line `options nvidia-drm modeset=1`
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{{< hint >}}If your GPU is listed as supported by the `nvidia-open-dkms` driver,
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use that one instead. Note that on a laptop, it could cause problems with the suspended state when closing the lid, so you might be better off with `nvidia-dkms`.
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{{< /hint >}}
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{{< hint >}}To get multi monitor to work properly on a hybrid graphics device (a laptop with both an Intel and an Nvidia GPU), you will need to remove the `optimus-manager` package if installed (disabling the service does not work). You also need to change your BIOS settings from hybrid graphics to discrete graphics.
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{{< /hint >}}
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Following the wrapping instructions found on
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[the Quick Start page](../Getting-Started/Quick-start#wrapping-the-launcher-recommended),
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wrap the launcher and additionally export these:
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```sh
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export LIBVA_DRIVER_NAME=nvidia
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export XDG_SESSION_TYPE=wayland
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export GBM_BACKEND=nvidia-drm
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export __GLX_VENDOR_LIBRARY_NAME=nvidia
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export WLR_NO_HARDWARE_CURSORS=1
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```
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{{< hint >}}If you encounter crashes in Firefox, remove the line `export GBM_BACKEND=nvidia-drm` from your launcher.
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{{< /hint >}}
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Install `qt5-wayland`, `qt5ct` and `libva`. Additionally
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`nvidia-vaapi-driver-git` (AUR) to fix crashes in some Electron-based
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applications, such as Unity Hub.
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Reboot your computer
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Launch Hyprland with the wrapper.
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It _should_ work now.
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## Fixing random flickering, method 1
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If you take a look at the wlroots patches in the [nix flake](https://github.com/hyprwm/Hyprland/blob/main/nix/wlroots.nix)
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you will find a one-line patch:
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```sh
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substituteInPlace render/gles2/renderer.c --replace "glFlush();" "glFinish();"
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```
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What this means, for non-nix users, is you have to (before building) go to
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`subprojects/wlroots/render/gles2/renderer.c` and replace all occurrences of `glFlush()`
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with `glFinish()`, and then compile Hyprland as usual.
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## Fixing random flickering, method 2 (nuclear)
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Do note though that this forces performance mode to be active, resulting in
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increased power-consumption (from 22W idle on a RTX 3070TI, to 74W).
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This may not even be needed for some users, only apply these 'fixes' if you
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in-fact do notice flickering artifacts from being idle for ~5 seconds.
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Make a new file at `/etc/modprobe.d/nvidia.conf` and paste this in:
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```sh
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options nvidia NVreg_RegistryDwords="PowerMizerEnable=0x1; PerfLevelSrc=0x2222; PowerMizerLevel=0x3; PowerMizerDefault=0x3; PowerMizerDefaultAC=0x3"
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```
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Reboot your computer and it should be working.
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