Messages in this thread | | | Date | Mon, 13 Jun 2022 23:02:25 -0500 | Subject | Re: [PATCH] cpufreq: amd_pstate: fix the highest perf query for new AMD processors | From | Mario Limonciello <> |
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On 6/13/22 22:52, Perry Yuan 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>
Reviewed-by: Mario Limonciello <mario.limonciello@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) ||
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