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authorShyam Sundar S K <Shyam-sundar.S-k@amd.com>2023-05-10 20:17:51 +0530
committerHans de Goede <hdegoede@redhat.com>2023-05-15 15:18:03 +0200
commit63b5dbfdb770254c4fdb58d22b62458308685592 (patch)
tree347209cc69ed6f7880b8bc85569c343cb1c3dc41 /drivers/platform
parenta82ebb3d800d7baf72122e82ab7c9b240d0a8a56 (diff)
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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 <Patil.Reddy@amd.com> Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@amd.com> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20230510144751.66601-2-Shyam-sundar.S-k@amd.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/amd/pmf/auto-mode.c23
-rw-r--r--drivers/platform/x86/amd/pmf/cnqf.c19
2 files changed, 42 insertions, 0 deletions
diff --git a/drivers/platform/x86/amd/pmf/auto-mode.c b/drivers/platform/x86/amd/pmf/auto-mode.c
index 64425201d353..02ff68be10d0 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 35af7c18f600..539b186e9027 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) {