Messages in this thread | | | Date | Wed, 15 Jun 2022 12:17:22 +0800 | From | Huang Rui <> | Subject | Re: [PATCH v2] x86/cpu/amd: fix the highest perf query for new AMD processors |
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On Tue, Jun 14, 2022 at 04:52:54PM +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. > > Signed-off-by: Perry Yuan <Perry.Yuan@amd.com>
Acked-by: Huang Rui <ray.huang@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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