Tuning kernel arguments for energy efficiency
Grub kernel arguments Current kernel arguments: grubby --info=0 index=0 kernel="/boot/vmlinuz-5.15.16-200.fc35.x86_64" args="ro rootflags=subvol=root rootflags=noatime rhgb quiet i915.enable_psr=1 i915.enable_fbc=1 rd.driver.blacklist=nouveau modprobe.blacklist=nouveau nvidia-drm.modeset=1 intel_idle.no_acpi=Y i915.enable_guc=3 " root="UUID=99cb8132-f86a-414d-8e5e-ecc4120b93b0" initrd="/boot/initramfs-5.15.16-200.fc35.x86_64.img" title="Fedora Linux (5.15.16-200.fc35.x86_64) 35 (Workstation Edition)" id="f8c8a08f7ded4ca9ad99a0345de7dae9-5.15.16-200.fc35.x86_64" i915.enable_psr=1 Enable PSR (panel self refresh) Optional: i915.enable_fbc=1 Enable frame buffer compression for power savings intel_idle.no_acpi=Y Do not use ACPI _CST for building the idle states list (bool) i915.enable_guc=3 Enable GuC load for GuC submission and/or HuC load. To add new parameter use grubby, for example: grubby --update-kernel=ALL --args=...