hyprland-wiki/pages/Nvidia/_index.md

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# Foreword
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There is no _official_ support for Nvidia. Unfortunately, their drivers are so
messy, and their products so random, that it's impossible for us to help if
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.
Nevertheless, it's recommended to at least try this tutorial.
## Hyprland Nvidia Patch (Arch only) (Unofficial)
```sh
hyprland-nvidia (AUR)
hyprland-nvidia-git (AUR)
```
{{< hint type=warning >}}
Hyprland Nvidia Patch is **NOT** an official patch and is not maintained by us.
If you have any concerns (updates, broken pkgbuild, etc), you should contact the maintainer.
{{< /hint >}}
{{< hint type=important >}}
`nvidia-dkms` is still **required** to run this patch, Install the `nvidia-dkms` driver and add it to your initramfs & kernel parameters before running. You should still however read the content below to make sure the patch is properly working and to avoid any bugs/crashes.
{{< /hint >}}
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## How to get Hyprland to possibly work on Nvidia
Install the `nvidia-dkms` driver and add it to your initramfs & kernel parameters.
For people using [systemd-boot](https://wiki.archlinux.org/title/systemd-boot) you can do this adding `nvidia_drm.modeset=1` to the end of `/boot/loader/entries/arch.conf`.
For people using [grub](https://wiki.archlinux.org/title/GRUB) you can do this by adding `nvidia_drm.modeset=1` to the end of `GRUB_CMDLINE_LINUX_DEFAULT=` in `/etc/default/grub`, then run `# grub-mkconfig -o /boot/grub/grub.cfg`
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For others check out [kernel parameters](https://wiki.archlinux.org/title/Kernel_parameters) and how to add `nvidia_drm.modeset=1` to your specific bootloader.
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in `/etc/mkinitcpio.conf` add `nvidia nvidia_modeset nvidia_uvm nvidia_drm` to your `MODULES`
run `# mkinitcpio --config /etc/mkinitcpio.conf --generate /boot/initramfs-custom.img` (make sure you have the `linux-headers` package installed first)
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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`
More information is available here:
[https://wiki.archlinux.org/title/NVIDIA#DRM_kernel_mode_setting](https://wiki.archlinux.org/title/NVIDIA#DRM_kernel_mode_setting)
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{{< hint >}}If your GPU is listed as supported by the `nvidia-open-dkms` driver,
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`.
{{< /hint >}}
{{< 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.
{{< /hint >}}
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Export these variables in your hyprland config:
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```sh
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env = LIBVA_DRIVER_NAME,nvidia
env = XDG_SESSION_TYPE,wayland
env = GBM_BACKEND,nvidia-drm
env = __GLX_VENDOR_LIBRARY_NAME,nvidia
env = WLR_NO_HARDWARE_CURSORS,1
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```
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{{< hint >}}If you encounter crashes in Firefox, remove the line `env = GBM_BACKEND,nvidia-drm`.
{{< /hint >}}
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{{< hint >}}If you face problems with Discord windows not displaying or screen sharing not working in Zoom, remove or comment the line `env = __GLX_VENDOR_LIBRARY_NAME,nvidia`.
{{< /hint >}}
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Install `qt5-wayland`, `qt5ct` and `libva`. Additionally
`libva-nvidia-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.
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It _should_ work now.
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## Fixing screensharing / screenshots
Apply nvidia patches to the wlroots in `subprojects/wlroots` before building.
See [patch](https://aur.archlinux.org/cgit/aur.git/tree/nvidia.patch?h=hyprland-nvidia-git)
and [hyprland-nvidia-git's PKGBUILD](https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=hyprland-nvidia-git#n72).
## 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)
you will find a one-line patch:
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```sh
substituteInPlace render/gles2/renderer.c --replace "glFlush();" "glFinish();"
```
What this means, for non-nix users, is you have to (before building) go to
`subprojects/wlroots/render/gles2/renderer.c` and replace all occurrences of `glFlush()`
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with `glFinish()`, and then compile Hyprland as usual.
## Fixing random flickering, method 2 (nuclear)
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Do note though that this forces performance mode to be active, resulting in
increased power-consumption (from 22W idle on a RTX 3070TI, to 74W).
This may not even be needed for some users, only apply these 'fixes' if you
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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Reboot your computer and it should be working.