diff options
| -rw-r--r-- | drivers/platform/x86/amd/pmf/core.c | 36 | ||||
| -rw-r--r-- | drivers/platform/x86/amd/pmf/pmf.h | 1 |
2 files changed, 37 insertions, 0 deletions
diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c index a70ab6c9608a..032d9dc5e09f 100644 --- a/drivers/platform/x86/amd/pmf/core.c +++ b/drivers/platform/x86/amd/pmf/core.c @@ -8,6 +8,7 @@ * Author: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> */ +#include <linux/debugfs.h> #include <linux/iopoll.h> #include <linux/module.h> #include <linux/pci.h> @@ -46,6 +47,39 @@ #define DELAY_MIN_US 2000 #define DELAY_MAX_US 3000 +static int current_power_limits_show(struct seq_file *seq, void *unused) +{ + struct amd_pmf_dev *dev = seq->private; + struct amd_pmf_static_slider_granular table; + int mode, src = 0; + + mode = amd_pmf_get_pprof_modes(dev); + src = amd_pmf_get_power_source(); + amd_pmf_update_slider(dev, SLIDER_OP_GET, mode, &table); + seq_printf(seq, "spl:%u fppt:%u sppt:%u sppt_apu_only:%u stt_min:%u stt[APU]:%u stt[HS2]: %u\n", + table.prop[src][mode].spl, + table.prop[src][mode].fppt, + table.prop[src][mode].sppt, + table.prop[src][mode].sppt_apu_only, + table.prop[src][mode].stt_min, + table.prop[src][mode].stt_skin_temp[STT_TEMP_APU], + table.prop[src][mode].stt_skin_temp[STT_TEMP_HS2]); + return 0; +} +DEFINE_SHOW_ATTRIBUTE(current_power_limits); + +static void amd_pmf_dbgfs_unregister(struct amd_pmf_dev *dev) +{ + debugfs_remove_recursive(dev->dbgfs_dir); +} + +static void amd_pmf_dbgfs_register(struct amd_pmf_dev *dev) +{ + dev->dbgfs_dir = debugfs_create_dir("amd_pmf", NULL); + debugfs_create_file("current_power_limits", 0644, dev->dbgfs_dir, dev, + ¤t_power_limits_fops); +} + int amd_pmf_get_power_source(void) { if (power_supply_is_system_supplied() > 0) @@ -231,6 +265,7 @@ static int amd_pmf_probe(struct platform_device *pdev) apmf_acpi_init(dev); platform_set_drvdata(pdev, dev); amd_pmf_init_features(dev); + amd_pmf_dbgfs_register(dev); mutex_init(&dev->lock); dev_info(dev->dev, "registered PMF device successfully\n"); @@ -244,6 +279,7 @@ static int amd_pmf_remove(struct platform_device *pdev) mutex_destroy(&dev->lock); amd_pmf_deinit_features(dev); + amd_pmf_dbgfs_unregister(dev); kfree(dev->buf); return 0; } diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h index fa3ea103b54a..8b25fd19e473 100644 --- a/drivers/platform/x86/amd/pmf/pmf.h +++ b/drivers/platform/x86/amd/pmf/pmf.h @@ -90,6 +90,7 @@ struct amd_pmf_dev { u32 supported_func; enum platform_profile_option current_profile; struct platform_profile_handler pprof; + struct dentry *dbgfs_dir; }; struct apmf_sps_prop_granular { |