On 29/10/2022 15:19, Matti Pulkkinen wrote:
On Sat, 2022-10-29 at 12:01 +0100, lejeczek via users wrote:
Hi guys.
Does anybody use 'amd-pstate' and if yes could share a howto
on how to have Fedora use that driver?
many thanks, L.
If you have a Zen2 or newer AMD processor, you can use a grubby command
in a terminal to set the needed kernel argument:
sudo grubby --update-kernel DEFAULT --args "initcall_blacklist=acpi_cpufreq_init"
Then, after a reboot, you can use this command to see if it worked:
cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver
If that says something other than amd-pstate then it did not work, and
you can try adding another kernel argument and then rebooting:
sudo grubby --update-kernel DEFAULT --args "amd_pstate.shared_mem=1"
but is there a module? I cannot find it default/repo kernels.
I see _amd_pstate_ut_ which says is a "test module"
Is there still no official/approved p-state in f38, even
with 6.5.x?
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