x86/CPU/AMD: Get rid of amd_erratum_1054[]

[ Upstream commit 54c33e2 ]

No functional changes.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Nikolay Borisov <nik.borisov@suse.com>
Link: http://lore.kernel.org/r/20231120104152.13740-10-bp@alien8.de
Stable-dep-of: c7b2edd ("perf/x86/amd/core: Update and fix stalled-cycles-* events for Zen 2 and later")
Signed-off-by: Sasha Levin <sashal@kernel.org>

arch/x86/kernel/cpu/amd.c

@@ -66,10 +66,6 @@ static const int amd_erratum_400[] =
 static const int amd_erratum_383[] =
 	AMD_OSVW_ERRATUM(3, AMD_MODEL_RANGE(0x10, 0, 0, 0xff, 0xf));
 
-/* #1054: Instructions Retired Performance Counter May Be Inaccurate */
-static const int amd_erratum_1054[] =
-	AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x17, 0, 0, 0x2f, 0xf));
-
 static const int amd_erratum_1485[] =
 	AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x19, 0x10, 0x0, 0x1f, 0xf),
 			   AMD_MODEL_RANGE(0x19, 0x60, 0x0, 0xaf, 0xf));
@@ -1194,7 +1190,7 @@ static void init_amd(struct cpuinfo_x86 *c)
 	 * Counter May Be Inaccurate".
 	 */
 	if (cpu_has(c, X86_FEATURE_IRPERF) &&
-	    !cpu_has_amd_erratum(c, amd_erratum_1054))
+	    (boot_cpu_has(X86_FEATURE_ZEN) && c->x86_model > 0x2f))
 		msr_set_bit(MSR_K7_HWCR, MSR_K7_HWCR_IRPERF_EN_BIT);
 
 	check_null_seg_clears_base(c);