Messages in this thread | | | From | "Yuan, Perry" <> | Subject | RE: [PATCH] cpufreq: amd_pstate: fix the highest perf query for new AMD processors | Date | Tue, 14 Jun 2022 08:48:33 +0000 |
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[AMD Official Use Only - General]
Hi Ray.
> -----Original Message----- > From: Huang, Ray <Ray.Huang@amd.com> > Sent: Tuesday, June 14, 2022 4:42 PM > To: Yuan, Perry <Perry.Yuan@amd.com> > Cc: Thomas Gleixner <tglx@linutronix.de>; Ingo Molnar <mingo@redhat.com>; > Borislav Petkov <bp@alien8.de>; Dave Hansen <dave.hansen@linux.intel.com>; > x86@kernel.org; H. Peter Anvin <hpa@zytor.com>; Lendacky, Thomas > <Thomas.Lendacky@amd.com>; Limonciello, Mario > <Mario.Limonciello@amd.com>; Jane Malalane <jane.malalane@citrix.com>; > Phillips, Kim <kim.phillips@amd.com>; Tony Luck <tony.luck@intel.com>; linux- > kernel@vger.kernel.org; Su, Jinzhou (Joe) <Jinzhou.Su@amd.com>; Meng, Li > (Jassmine) <Li.Meng@amd.com>; linux-pm@vger.kernel.org > Subject: Re: [PATCH] cpufreq: amd_pstate: fix the highest perf query for new > AMD processors > > On Tue, Jun 14, 2022 at 11:52:28AM +0800, Yuan, Perry wrote: > > In order to get the corrent highest perf for some new AMD processors, > > the amd_get_highest_perf() call will check the CPU model and return > > correct highest perf value. > > > > You needs to change the prefix of the subject, because it's not the amd-pstate > driver. > > x86/amd: Fix the highest perf query for new AMD processors > > Thanks, > Ray
Thanks for reminding me that. Will update the title as below. Sending V2.
x86/cpu/amd: fix the highest perf query for new AMD processors
Perry.
> > > Signed-off-by: Perry Yuan <Perry.Yuan@amd.com> > > --- > > arch/x86/kernel/cpu/amd.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c > > index 0c0b09796ced..ff2075f26ef4 100644 > > --- a/arch/x86/kernel/cpu/amd.c > > +++ b/arch/x86/kernel/cpu/amd.c > > @@ -1152,7 +1152,8 @@ u32 amd_get_highest_perf(void) > > struct cpuinfo_x86 *c = &boot_cpu_data; > > > > if (c->x86 == 0x17 && ((c->x86_model >= 0x30 && c->x86_model < 0x40) > || > > - (c->x86_model >= 0x70 && c->x86_model < 0x80))) > > + (c->x86_model >= 0x70 && c->x86_model < 0x80) > || > > + (c->x86_model >= 0xa0 && c->x86_model < 0xb0))) > > return 166; > > > > if (c->x86 == 0x19 && ((c->x86_model >= 0x20 && c->x86_model < 0x30) > > || > > -- > > 2.25.1 > >
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