After several painstaking hours I finally got it working on Manjaro, so
I wanted to share my experience for anyone else that is new to patching
the kernel like me. This is my first time ever doing so.
I tried and tried to make this work on Ubuntu Budgie 20.10 following the
guide by @Baq Domalaq (baq) but I just couldnt get the ubuntu kernel to
build. Manjaro on the other hand was fairly painless.
This only works for Manjaro
1. Clone the kernel repo for linux 5.8
# git clone https://gitlab.manjaro.org/packages/core/linux58.git
2. open the repo
# cd ./linux58
3. Download the patch from #179
# wget
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1887190/+attachment/5418465/+files/0303-pinctrl-amd2.patch
4. Edit the PKGBUILD file and add '0303-pinctrl-amd2.patch' after the
line that has '0303-pinctrl-amd.patch'
5. Update the checksums
# updpkgsums
6. Build the package. This will take some time. You may be prompted for
something about PREMPT. Choose CONFIG_PREEMPT_VOLUNTARY.
# makepkg -s
7. Once it's done, you can install the package.
# makepkg -i
In my case, this broke the nvidia driver so I ended up uninstalling the
nonfree driver and using the free driver instead. This can be done with
the following commands.
8. Remove nonfree driver. Could also be video-nvidia-455xx
# sudo mhwd -r pci video-nvidia-440xx
9. Install the free driver
# sudo mhwd -i pci video-linux
Also installing the free driver fixed the display brightness issue.
Everything seems to be working for me now!
In case anyone runs into any issues, this is the guide I followed to
build the kernel. https://leduccc.medium.com/compiling-a-custom-linux-
kernel-on-manjaro-f09aa103713f
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https://bugs.launchpad.net/bugs/1887190
Title:
MSFT Touchpad not working on Lenovo Legion-5 15ARH05
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