[PATCH] cpufreq: amd_pstate: fix the highest perf query for new AMD processors
From: Perry Yuan
Date: Mon Jun 13 2022 - 23:55:17 EST
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>
---
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