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x86: Rename turbo ratio MSR to MSR_TURBO_RATIO_LIMIT

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This MSR number is used on most modern Intel processors, so drop the
confusing NHM prefix (which might mean Nehalem).

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: drop MSR_IVT_TURBO_RATIO_LIMIT as no code uses it]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2019-09-25 08:11:47 -06:00 committed by Bin Meng
parent ebe002cd18
commit bdeb2bccbf
2 changed files with 2 additions and 3 deletions
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2
arch/x86/cpu/broadwell/cpu_full.c
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@ -346,7 +346,7 @@ static void set_max_ratio(void)
/* Check for configurable TDP option */
if (turbo_get_state() == TURBO_ENABLED) {
msr = msr_read(MSR_NHM_TURBO_RATIO_LIMIT);
msr = msr_read(MSR_TURBO_RATIO_LIMIT);
perf_ctl.lo = (msr.lo & 0xff) << 8;
} else if (cpu_config_tdp_levels()) {
/* Set to nominal TDP ratio */

3
arch/x86/include/asm/msr-index.h
View File

@ -101,8 +101,7 @@
#define MSR_OFFCORE_RSP_1 0x000001a7
#define MSR_MISC_PWR_MGMT 0x1aa
#define MISC_PWR_MGMT_EIST_HW_DIS (1 << 0)
#define MSR_NHM_TURBO_RATIO_LIMIT 0x000001ad
#define MSR_IVT_TURBO_RATIO_LIMIT 0x000001ae
#define MSR_TURBO_RATIO_LIMIT 0x000001ad
#define MSR_IA32_ENERGY_PERFORMANCE_BIAS 0x1b0
#define ENERGY_POLICY_PERFORMANCE 0