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x86/cpu/hygon: Set __max_die_per_package on Hygon 

Set the maximum DIE per package variable on Hygon using the
nodes_per_socket value in order to do per-DIE manipulations for drivers
such as powercap.

Signed-off-by: Pu Wen <puwen@hygon.cn>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/20210302020217.1827-1-puwen@hygon.cn
This commit is contained in:
Pu Wen 2021-03-02 10:02:17 +08:00 committed by Ingo Molnar
parent a38fd87484
commit 59eca2fa19
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kernel/cpu/hygon.c
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@ -215,12 +215,12 @@ static void bsp_init_hygon(struct cpuinfo_x86 *c)
u32 ecx;
ecx = cpuid_ecx(0x8000001e);
nodes_per_socket = ((ecx >> 8) & 7) + 1;
__max_die_per_package = nodes_per_socket = ((ecx >> 8) & 7) + 1;
} else if (boot_cpu_has(X86_FEATURE_NODEID_MSR)) {
u64 value;
rdmsrl(MSR_FAM10H_NODE_ID, value);
nodes_per_socket = ((value >> 3) & 7) + 1;
__max_die_per_package = nodes_per_socket = ((value >> 3) & 7) + 1;
}
if (!boot_cpu_has(X86_FEATURE_AMD_SSBD) &&