Messages in this thread | | | Date | Thu, 17 Nov 2022 13:35:32 +0800 | From | Huang Rui <> | Subject | Re: [PATCH 0/5] AMD Pstate driver Urgent Change |
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On Thu, Nov 17, 2022 at 10:49:50AM +0800, Yuan, Perry wrote: > The patchset changed amd-pstate driver as built-in type to resolve the > driver loading sequence problem, otherwise the acpi-cpufreq driver will > be loaded as the default cpufreq scaling driver instead of amd-pstate. > > Some new kernel parameters are added to allow user to disable pstate driver > and load driver with passive mode which use governors to do the > frequency scaling control. > > * `amd_pstate=disabled` or no parameters will not load pstate driver. > * `amd_pstate=passive` will load pstate driver with passive mode. > > Set the `amd_pstate` driver disabled by default because of performance > degradation on a number of AMD ASICs in the passive mode driver, > especially the shared memory support processors. > > EPP support for the amd_pstate driver is under review. With EPP support, > the said performance issue is resolved. Once that gets upstream, > the `active` mode amd_pstate_epp driver may be enabled by default. > > Perry Yuan (4): > cpufreq: amd-pstate: change amd-pstate driver to be built-in type > cpufreq: amd-pstate: add amd-pstate driver parameter for mode > selection > Documentation: amd-pstate: add driver working mode introduction > Documentation: add amd-pstate kernel command line options > > Wyes Karny (1): > cpufreq: amd-pstate: cpufreq: amd-pstate: reset MSR_AMD_PERF_CTL > register at init
Series are Acked-by: Huang Rui <ray.huang@amd.com>
Hi Rafeal,
These series are the fixes for our new processors. Would you mind to merge them into pm-6.1-rc6 or pm-6.1-rc7?
Thanks, Ray
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