Messages in this thread | | | Date | Fri, 11 Dec 2020 00:03:32 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH 2/2] cpufreq: acpi-cpufreq: Add processor to the ignore PSD override list |
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On Fri, Dec 11, 2020 at 07:56:40AM +0900, Punit Agrawal wrote: > Booting Linux on a Zen2 based processor (family: 0x17, model: 0x60, > stepping: 0x1) shows the following message in the logs - > > acpi_cpufreq: overriding BIOS provided _PSD data > > Although commit 5368512abe08 ("acpi-cpufreq: Honor _PSD table setting > on new AMD CPUs") indicates that the override is not required for Zen3 > onwards, it seems that domain information can be trusted even on > certain earlier systems. Update the check, to skip the override for > Zen2 processors known to work without the override. > > Signed-off-by: Punit Agrawal <punitagrawal@gmail.com> > Cc: Wei Huang <wei.huang2@amd.com> > --- > drivers/cpufreq/acpi-cpufreq.c | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-)
What about answers to those questions first?
https://lkml.kernel.org/r/20201208233216.GH27920@zn.tnic
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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