diff options
| author | Mario Limonciello <mario.limonciello@amd.com> | 2025-06-09 15:05:16 -0500 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2025-07-07 22:34:17 +0200 |
| commit | 216fe0d7680b2503e09edd1d7dca73305806591c (patch) | |
| tree | fd094c515cedc578666223277e4cb811aa1a7199 | |
| parent | bfea2b3b4f2346510ec45a0c22450e1564f48f88 (diff) | |
platform/x86/amd: hfi: Set ITMT priority from ranking data
The static ranking data that is read at module load should be used
to set up the priorities for the cores relative to the performance
values.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/20250609200518.3616080-12-superm1@kernel.org
| -rw-r--r-- | drivers/platform/x86/amd/hfi/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/platform/x86/amd/hfi/hfi.c | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/platform/x86/amd/hfi/Kconfig b/drivers/platform/x86/amd/hfi/Kconfig index 019638047e62..fecef6848023 100644 --- a/drivers/platform/x86/amd/hfi/Kconfig +++ b/drivers/platform/x86/amd/hfi/Kconfig @@ -7,6 +7,7 @@ config AMD_HFI bool "AMD Hetero Core Hardware Feedback Driver" depends on ACPI depends on CPU_SUP_AMD + depends on SCHED_MC_PRIO help Select this option to enable the AMD Heterogeneous Core Hardware Feedback Interface. If selected, hardware provides runtime thread diff --git a/drivers/platform/x86/amd/hfi/hfi.c b/drivers/platform/x86/amd/hfi/hfi.c index b0a5840b2598..805c03bb5607 100644 --- a/drivers/platform/x86/amd/hfi/hfi.c +++ b/drivers/platform/x86/amd/hfi/hfi.c @@ -114,6 +114,12 @@ static DEFINE_PER_CPU(struct amd_hfi_cpuinfo, amd_hfi_cpuinfo) = {.class_index = static DEFINE_MUTEX(hfi_cpuinfo_lock); +static void amd_hfi_sched_itmt_work(struct work_struct *work) +{ + sched_set_itmt_support(); +} +static DECLARE_WORK(sched_amd_hfi_itmt_work, amd_hfi_sched_itmt_work); + static int find_cpu_index_by_apicid(unsigned int target_apicid) { int cpu_index; @@ -238,6 +244,8 @@ static int amd_set_hfi_ipcc_score(struct amd_hfi_cpuinfo *hfi_cpuinfo, int cpu) WRITE_ONCE(hfi_cpuinfo->ipcc_scores[i], hfi_cpuinfo->amd_hfi_classes[i].perf); + sched_set_itmt_core_prio(hfi_cpuinfo->ipcc_scores[0], cpu); + return 0; } @@ -459,6 +467,8 @@ static int amd_hfi_probe(struct platform_device *pdev) if (ret < 0) return ret; + schedule_work(&sched_amd_hfi_itmt_work); + return 0; } |