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Signed-off-by: Mario Limonciello --- v3->v4: * Drop conditional printing (Ilpo) v2->v3: * New patch --- drivers/platform/x86/amd/hfi/hfi.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/platform/x86/amd/hfi/hfi.c b/drivers/platform/x86/amd/= hfi/hfi.c index 50407ab805169..839007684b049 100644 --- a/drivers/platform/x86/amd/hfi/hfi.c +++ b/drivers/platform/x86/amd/hfi/hfi.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include #include @@ -75,6 +76,8 @@ struct amd_hfi_data { void __iomem *pcc_comm_addr; struct acpi_subtable_header *pcct_entry; struct amd_shmem_info *shmem; + + struct dentry *dbgfs_dir; }; =20 /** @@ -239,6 +242,8 @@ static void amd_hfi_remove(struct platform_device *pdev) { struct amd_hfi_data *dev =3D platform_get_drvdata(pdev); =20 + debugfs_remove_recursive(dev->dbgfs_dir); + mutex_destroy(&dev->lock); } =20 @@ -396,6 +401,27 @@ static int amd_hfi_metadata_parser(struct platform_dev= ice *pdev, return ret; } =20 +static int class_capabilities_show(struct seq_file *s, void *unused) +{ + int cpu, idx; + + seq_puts(s, "CPU #\tWLC\tPerf\tEff\n"); + for_each_present_cpu(cpu) { + struct amd_hfi_cpuinfo *hfi_cpuinfo =3D per_cpu_ptr(&amd_hfi_cpuinfo, cp= u); + + seq_printf(s, "%d", cpu); + for (idx =3D 0; idx < hfi_cpuinfo->nr_class; idx++) { + seq_printf(s, "\t%d\t%d\t%d\n", + idx, + hfi_cpuinfo->amd_hfi_classes[idx].perf, + hfi_cpuinfo->amd_hfi_classes[idx].eff); + } + } + + return 0; +} +DEFINE_SHOW_ATTRIBUTE(class_capabilities); + static int amd_hfi_pm_resume(struct device *dev) { int ret, cpu; @@ -469,6 +495,10 @@ static int amd_hfi_probe(struct platform_device *pdev) =20 schedule_work(&sched_amd_hfi_itmt_work); =20 + amd_hfi_data->dbgfs_dir =3D debugfs_create_dir("amd_hfi", arch_debugfs_di= r); + debugfs_create_file("class_capabilities", 0644, amd_hfi_data->dbgfs_dir, = pdev, + &class_capabilities_fops); + return 0; } =20 --=20 2.43.0