Suddenly half laptop runtime - battery drainage

Support
,
2

Manjaro disabled the video hardware acceleration for AMD GPU only, Fedora and SUSE too.

Install the official proprietary driver AMDGPU-PRO from AUR

  1. Install amf-amdgpu-pro
$ pamac build amf-amdgpu-pro
  1. Edit /etc/environment/ to add a line:
VK_ICD_FILENAMES=/usr/share/vulkan/icd.d/amd_pro_icd64.json

  1. Reboot

  2. Check ffmpeg to decode and encode any video if it works.

$ ffmpeg -i {INPUT}.mp4 -vcodec hevc_amf  {OUTPUT}.mkv