Messages in this thread | | | From | "Rafael J. Wysocki" <> | Date | Wed, 17 Nov 2021 20:12:05 +0100 | Subject | Re: [PATCH] cpufreq: intel_pstate: Add Ice Lake server to out-of-band IDs |
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On Fri, Nov 12, 2021 at 10:17 AM Adamos Ttofari <attofari@amazon.de> wrote: > > Commit fbdc21e9b038 ("cpufreq: intel_pstate: Add Icelake servers support in > no-HWP mode") enabled the use of Intel P-State driver for Ice Lake servers. > But it doesn't cover the case when OS can't control P-States. > > Therefore, for Ice Lake server, if MSR_MISC_PWR_MGMT bits 8 or 18 are > enabled, then the Intel P-State driver should exit as OS can't control > P-States. > > Fixes: fbdc21e9b038 ("cpufreq: intel_pstate: Add Icelake servers support in no-HWP mode") > > Signed-off-by: Adamos Ttofari <attofari@amazon.de> > Cc: Hendrik Borghorst <hborghor@amazon.de> > Cc: David Woodhouse <dwmw@amazon.co.uk> > --- > drivers/cpufreq/intel_pstate.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c > index 815df3daae9d..1088ff350159 100644 > --- a/drivers/cpufreq/intel_pstate.c > +++ b/drivers/cpufreq/intel_pstate.c > @@ -2353,6 +2353,7 @@ static const struct x86_cpu_id intel_pstate_cpu_oob_ids[] __initconst = { > X86_MATCH(BROADWELL_D, core_funcs), > X86_MATCH(BROADWELL_X, core_funcs), > X86_MATCH(SKYLAKE_X, core_funcs), > + X86_MATCH(ICELAKE_X, core_funcs), > {} > }; > > --
Applied as 5.16-rc material, thanks!
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