Borislav Petkov <b...@alien8.de> writes:
> 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 <punitagra...@gmail.com>
>> Cc: Wei Huang <wei.hua...@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.gh27...@zn.tnic
Oh.. sorry I missed that mail for some reason. Let's continue
there.
