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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2023-06-26 17:56:05 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2023-06-26 17:56:05 +0200
commitc89a27f4f8fbf4dcbaf1738b42b8c68e160d7cda (patch)
tree251b74a4988f8893182e377a4b044894ccf51621 /drivers/powercap/intel_rapl_msr.c
parent9b8f36398e52840a6fe3a56d65be5f45bad4525a (diff)
parent49776c712eb6ded12fcbb8cc915a498dbfb47311 (diff)
Merge branch 'powercap'
Merge power capping updates for 6.5-rc1: - Introduce power capping core support for Intel TPMI (Topology Aware Register and PM Capsule Interface) and a TPMI interface driver for Intel RAPL (Zhang Rui, Dan Carpenter). - Fix CONFIG_IOSF_MBI dependency in the Intel RAPL power capping driver (Zhang Rui). - Fix invalid initialization for pl4_supported field in the Intel RAPL power capping driver (Sumeet Pawnikar). * powercap: powercap: RAPL: Fix a NULL vs IS_ERR() bug powercap: RAPL: Fix CONFIG_IOSF_MBI dependency powercap: RAPL: fix invalid initialization for pl4_supported field powercap: intel_rapl: Introduce RAPL TPMI interface driver powercap: intel_rapl: Introduce core support for TPMI interface powercap: intel_rapl: Introduce RAPL I/F type powercap: intel_rapl: Make cpu optional for rapl_package powercap: intel_rapl: Remove redundant cpu parameter powercap: intel_rapl: Add support for lock bit per Power Limit powercap: intel_rapl: Cleanup Power Limits support powercap: intel_rapl: Use bitmap for Power Limits powercap: intel_rapl: Change primitive order powercap: intel_rapl: Use index to initialize primitive information powercap: intel_rapl: Support per domain energy/power/time unit powercap: intel_rapl: Support per Interface primitive information powercap: intel_rapl: Support per Interface rapl_defaults powercap: intel_rapl: Allow probing without CPUID match powercap: intel_rapl: Remove unused field in struct rapl_if_priv
Diffstat (limited to 'drivers/powercap/intel_rapl_msr.c')
-rw-r--r--drivers/powercap/intel_rapl_msr.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/powercap/intel_rapl_msr.c b/drivers/powercap/intel_rapl_msr.c
index a27673706c3d..569e25eab1e1 100644
--- a/drivers/powercap/intel_rapl_msr.c
+++ b/drivers/powercap/intel_rapl_msr.c
@@ -22,7 +22,6 @@
#include <linux/processor.h>
#include <linux/platform_device.h>
-#include <asm/iosf_mbi.h>
#include <asm/cpu_device_id.h>
#include <asm/intel-family.h>
@@ -34,6 +33,7 @@
static struct rapl_if_priv *rapl_msr_priv;
static struct rapl_if_priv rapl_msr_priv_intel = {
+ .type = RAPL_IF_MSR,
.reg_unit = MSR_RAPL_POWER_UNIT,
.regs[RAPL_DOMAIN_PACKAGE] = {
MSR_PKG_POWER_LIMIT, MSR_PKG_ENERGY_STATUS, MSR_PKG_PERF_STATUS, 0, MSR_PKG_POWER_INFO },
@@ -45,11 +45,12 @@ static struct rapl_if_priv rapl_msr_priv_intel = {
MSR_DRAM_POWER_LIMIT, MSR_DRAM_ENERGY_STATUS, MSR_DRAM_PERF_STATUS, 0, MSR_DRAM_POWER_INFO },
.regs[RAPL_DOMAIN_PLATFORM] = {
MSR_PLATFORM_POWER_LIMIT, MSR_PLATFORM_ENERGY_STATUS, 0, 0, 0},
- .limits[RAPL_DOMAIN_PACKAGE] = 2,
- .limits[RAPL_DOMAIN_PLATFORM] = 2,
+ .limits[RAPL_DOMAIN_PACKAGE] = BIT(POWER_LIMIT2),
+ .limits[RAPL_DOMAIN_PLATFORM] = BIT(POWER_LIMIT2),
};
static struct rapl_if_priv rapl_msr_priv_amd = {
+ .type = RAPL_IF_MSR,
.reg_unit = MSR_AMD_RAPL_POWER_UNIT,
.regs[RAPL_DOMAIN_PACKAGE] = {
0, MSR_AMD_PKG_ENERGY_STATUS, 0, 0, 0 },
@@ -68,9 +69,9 @@ static int rapl_cpu_online(unsigned int cpu)
{
struct rapl_package *rp;
- rp = rapl_find_package_domain(cpu, rapl_msr_priv);
+ rp = rapl_find_package_domain(cpu, rapl_msr_priv, true);
if (!rp) {
- rp = rapl_add_package(cpu, rapl_msr_priv);
+ rp = rapl_add_package(cpu, rapl_msr_priv, true);
if (IS_ERR(rp))
return PTR_ERR(rp);
}
@@ -83,7 +84,7 @@ static int rapl_cpu_down_prep(unsigned int cpu)
struct rapl_package *rp;
int lead_cpu;
- rp = rapl_find_package_domain(cpu, rapl_msr_priv);
+ rp = rapl_find_package_domain(cpu, rapl_msr_priv, true);
if (!rp)
return 0;
@@ -137,14 +138,14 @@ static int rapl_msr_write_raw(int cpu, struct reg_action *ra)
/* List of verified CPUs. */
static const struct x86_cpu_id pl4_support_ids[] = {
- { X86_VENDOR_INTEL, 6, INTEL_FAM6_TIGERLAKE_L, X86_FEATURE_ANY },
- { X86_VENDOR_INTEL, 6, INTEL_FAM6_ALDERLAKE, X86_FEATURE_ANY },
- { X86_VENDOR_INTEL, 6, INTEL_FAM6_ALDERLAKE_L, X86_FEATURE_ANY },
- { X86_VENDOR_INTEL, 6, INTEL_FAM6_ALDERLAKE_N, X86_FEATURE_ANY },
- { X86_VENDOR_INTEL, 6, INTEL_FAM6_RAPTORLAKE, X86_FEATURE_ANY },
- { X86_VENDOR_INTEL, 6, INTEL_FAM6_RAPTORLAKE_P, X86_FEATURE_ANY },
- { X86_VENDOR_INTEL, 6, INTEL_FAM6_METEORLAKE, X86_FEATURE_ANY },
- { X86_VENDOR_INTEL, 6, INTEL_FAM6_METEORLAKE_L, X86_FEATURE_ANY },
+ X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, NULL),
+ X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, NULL),
+ X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, NULL),
+ X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_N, NULL),
+ X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE, NULL),
+ X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, NULL),
+ X86_MATCH_INTEL_FAM6_MODEL(METEORLAKE, NULL),
+ X86_MATCH_INTEL_FAM6_MODEL(METEORLAKE_L, NULL),
{}
};
@@ -169,7 +170,7 @@ static int rapl_msr_probe(struct platform_device *pdev)
rapl_msr_priv->write_raw = rapl_msr_write_raw;
if (id) {
- rapl_msr_priv->limits[RAPL_DOMAIN_PACKAGE] = 3;
+ rapl_msr_priv->limits[RAPL_DOMAIN_PACKAGE] |= BIT(POWER_LIMIT4);
rapl_msr_priv->regs[RAPL_DOMAIN_PACKAGE][RAPL_DOMAIN_REG_PL4] =
MSR_VR_CURRENT_CONFIG;
pr_info("PL4 support detected.\n");