From 63b5dbfdb770254c4fdb58d22b62458308685592 Mon Sep 17 00:00:00 2001 From: Shyam Sundar S K Date: Wed, 10 May 2023 20:17:51 +0530 Subject: [PATCH] platform/x86/amd/pmf: Add PMF debug facilities At times, when the mode transitions fail to happen, the current driver does not give enough debug information on why the transition failed or the default preset values did not load. Having an on-demand logs guarded by CONFIG would be helpful in such cases. Co-developed-by: Patil Rajesh Reddy Signed-off-by: Patil Rajesh Reddy Signed-off-by: Shyam Sundar S K Reviewed-by: Mario Limonciello Link: https://lore.kernel.org/r/20230510144751.66601-2-Shyam-sundar.S-k@amd.com Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede --- drivers/platform/x86/amd/pmf/auto-mode.c | 23 +++++++++++++++++++++++ drivers/platform/x86/amd/pmf/cnqf.c | 19 +++++++++++++++++++ 2 files changed, 42 insertions(+) diff --git a/drivers/platform/x86/amd/pmf/auto-mode.c b/drivers/platform/x86/amd/pmf/auto-mode.c index 6442520..02ff68b 100644 --- a/drivers/platform/x86/amd/pmf/auto-mode.c +++ b/drivers/platform/x86/amd/pmf/auto-mode.c @@ -179,11 +179,34 @@ void amd_pmf_trans_automode(struct amd_pmf_dev *dev, int socket_power, ktime_t t config_store.transition[i].applied = false; update = true; } + +#ifdef CONFIG_AMD_PMF_DEBUG + dev_dbg(dev->dev, "[AUTO MODE] average_power : %d mW mode: %s\n", avg_power, + state_as_str(config_store.current_mode)); + + dev_dbg(dev->dev, "[AUTO MODE] time: %lld ms timer: %u ms tc: %u ms\n", + time_elapsed_ms, config_store.transition[i].timer, + config_store.transition[i].time_constant); + + dev_dbg(dev->dev, "[AUTO MODE] shiftup: %u pt: %u mW pf: %u mW pd: %u mW\n", + config_store.transition[i].shifting_up, + config_store.transition[i].power_threshold, + config_store.mode_set[i].power_floor, + config_store.transition[i].power_delta); +#endif } dev_dbg(dev->dev, "[AUTO_MODE] avg power: %u mW mode: %s\n", avg_power, state_as_str(config_store.current_mode)); +#ifdef CONFIG_AMD_PMF_DEBUG + dev_dbg(dev->dev, "[AUTO MODE] priority1: %u priority2: %u priority3: %u priority4: %u\n", + config_store.transition[0].applied, + config_store.transition[1].applied, + config_store.transition[2].applied, + config_store.transition[3].applied); +#endif + if (update) { for (j = 0; j < AUTO_TRANSITION_MAX; j++) { /* Apply the mode with highest priority indentified */ diff --git a/drivers/platform/x86/amd/pmf/cnqf.c b/drivers/platform/x86/amd/pmf/cnqf.c index 35af7c1..539b186 100644 --- a/drivers/platform/x86/amd/pmf/cnqf.c +++ b/drivers/platform/x86/amd/pmf/cnqf.c @@ -175,6 +175,13 @@ int amd_pmf_trans_cnqf(struct amd_pmf_dev *dev, int socket_power, ktime_t time_l config_store.trans_param[src][i].count++; tp = &config_store.trans_param[src][i]; + +#ifdef CONFIG_AMD_PMF_DEBUG + dev_dbg(dev->dev, "avg_power: %u mW total_power: %u mW count: %u timer: %u ms\n", + avg_power, config_store.trans_param[src][i].total_power, + config_store.trans_param[src][i].count, + config_store.trans_param[src][i].timer); +#endif if (tp->timer >= tp->time_constant && tp->count) { avg_power = tp->total_power / tp->count; @@ -195,6 +202,18 @@ int amd_pmf_trans_cnqf(struct amd_pmf_dev *dev, int socket_power, ktime_t time_l dev_dbg(dev->dev, "[CNQF] Avg power: %u mW socket power: %u mW mode:%s\n", avg_power, socket_power, state_as_str(config_store.current_mode)); +#ifdef CONFIG_AMD_PMF_DEBUG + dev_dbg(dev->dev, "[CNQF] priority1: %u priority2: %u priority3: %u\n", + config_store.trans_param[src][0].priority, + config_store.trans_param[src][1].priority, + config_store.trans_param[src][2].priority); + + dev_dbg(dev->dev, "[CNQF] priority4: %u priority5: %u priority6: %u\n", + config_store.trans_param[src][3].priority, + config_store.trans_param[src][4].priority, + config_store.trans_param[src][5].priority); +#endif + for (j = 0; j < CNQF_TRANSITION_MAX; j++) { /* apply the highest priority */ if (config_store.trans_param[src][j].priority) { -- 2.7.4