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From:   Perry Yuan <Perry.Yuan@amd.com>
To:     Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        Dave Hansen <dave.hansen@linux.intel.com>, <x86@kernel.org>,
        "H. Peter Anvin" <hpa@zytor.com>,
        Tom Lendacky <thomas.lendacky@amd.com>,
        Perry Yuan <Perry.Yuan@amd.com>,
        Mario Limonciello <mario.limonciello@amd.com>,
        Jane Malalane <jane.malalane@citrix.com>,
        "Kim Phillips" <kim.phillips@amd.com>,
        Tony Luck <tony.luck@intel.com>, <linux-kernel@vger.kernel.org>
CC:     <Ray.Huang@amd.com>, <Jinzhou.Su@amd.com>, <Li.Meng@amd.com>,
        <linux-pm@vger.kernel.org>
Subject: [PATCH] cpufreq: amd_pstate: fix the highest perf query for new AMD processors
Date:   Mon, 13 Jun 2022 23:52:28 -0400
Message-ID: <20220614035229.170852-1-Perry.Yuan@amd.com>
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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>
---
 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