The AMD Rome CPU model IDs(30h-3Fh) do not need to get the highest perf value from the amd_get_highest_perf() function, the correct highest perf will be queried from the cppc_acpi interface.

Fixes: 3743d55b2 (x86, sched: Fix the AMD CPPC maximum performance value on certain AMD Ryzen generations) Signed-off-by: Perry Yuan Perry.Yuan@amd.com Cc: stable@vger.kernel.org --- arch/x86/kernel/cpu/amd.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 48276c0e479d..1734cc5aa7ff 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -1183,8 +1183,7 @@ 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))) + if (c->x86 == 0x17 && (c->x86_model >= 0x70 && c->x86_model < 0x80)) return 166;

if (c->x86 == 0x19 && ((c->x86_model >= 0x20 && c->x86_model < 0x30) ||