Re: [PATCH] cpufreq: amd_pstate: fix the highest perf query for new AMD processors

[Mario Limonciello]

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@xxxxxxx>

Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx>

> ---
>   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) ||