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authorShyam Sundar S K <Shyam-sundar.S-k@amd.com>2023-05-10 20:17:50 +0530
committerHans de Goede <hdegoede@redhat.com>2023-05-15 15:17:31 +0200
commita82ebb3d800d7baf72122e82ab7c9b240d0a8a56 (patch)
treea2452bfc3cd02b3ffdb7b89748fd94b02808568f /drivers/platform/x86/amd/pmf/cnqf.c
parent06ffe5b25eeded829d5b2dd93ba868f3c75720d6 (diff)
platform/x86/amd/pmf: Add PMF acpi debug support
PMF driver maintains an internal config store for each PMF feature after the feature init happens. Having a debug mechanism to triage in-field issues w.r.t to mode switch not happening based on the OEM fed values via the ACPI method to PMF driver is becoming the need of the hour. Add support to get more ACPI debug spew guarded by a CONFIG. 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/20230510144751.66601-1-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/x86/amd/pmf/cnqf.c')
-rw-r--r--drivers/platform/x86/amd/pmf/cnqf.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/platform/x86/amd/pmf/cnqf.c b/drivers/platform/x86/amd/pmf/cnqf.c
index 4beb22a19466..35af7c18f600 100644
--- a/drivers/platform/x86/amd/pmf/cnqf.c
+++ b/drivers/platform/x86/amd/pmf/cnqf.c
@@ -13,6 +13,61 @@
static struct cnqf_config config_store;
+#ifdef CONFIG_AMD_PMF_DEBUG
+static const char *state_as_str_cnqf(unsigned int state)
+{
+ switch (state) {
+ case APMF_CNQF_TURBO:
+ return "turbo";
+ case APMF_CNQF_PERFORMANCE:
+ return "performance";
+ case APMF_CNQF_BALANCE:
+ return "balance";
+ case APMF_CNQF_QUIET:
+ return "quiet";
+ default:
+ return "Unknown CnQF State";
+ }
+}
+
+static void amd_pmf_cnqf_dump_defaults(struct apmf_dyn_slider_output *data, int idx)
+{
+ int i;
+
+ pr_debug("Dynamic Slider %s Defaults - BEGIN\n", idx ? "DC" : "AC");
+ pr_debug("size: %u\n", data->size);
+ pr_debug("flags: 0x%x\n", data->flags);
+
+ /* Time constants */
+ pr_debug("t_perf_to_turbo: %u ms\n", data->t_perf_to_turbo);
+ pr_debug("t_balanced_to_perf: %u ms\n", data->t_balanced_to_perf);
+ pr_debug("t_quiet_to_balanced: %u ms\n", data->t_quiet_to_balanced);
+ pr_debug("t_balanced_to_quiet: %u ms\n", data->t_balanced_to_quiet);
+ pr_debug("t_perf_to_balanced: %u ms\n", data->t_perf_to_balanced);
+ pr_debug("t_turbo_to_perf: %u ms\n", data->t_turbo_to_perf);
+
+ for (i = 0 ; i < CNQF_MODE_MAX ; i++) {
+ pr_debug("pfloor_%s: %u mW\n", state_as_str_cnqf(i), data->ps[i].pfloor);
+ pr_debug("fppt_%s: %u mW\n", state_as_str_cnqf(i), data->ps[i].fppt);
+ pr_debug("sppt_%s: %u mW\n", state_as_str_cnqf(i), data->ps[i].sppt);
+ pr_debug("sppt_apuonly_%s: %u mW\n",
+ state_as_str_cnqf(i), data->ps[i].sppt_apu_only);
+ pr_debug("spl_%s: %u mW\n", state_as_str_cnqf(i), data->ps[i].spl);
+ pr_debug("stt_minlimit_%s: %u mW\n",
+ state_as_str_cnqf(i), data->ps[i].stt_min_limit);
+ pr_debug("stt_skintemp_apu_%s: %u C\n", state_as_str_cnqf(i),
+ data->ps[i].stt_skintemp[STT_TEMP_APU]);
+ pr_debug("stt_skintemp_hs2_%s: %u C\n", state_as_str_cnqf(i),
+ data->ps[i].stt_skintemp[STT_TEMP_HS2]);
+ pr_debug("fan_id_%s: %u\n", state_as_str_cnqf(i), data->ps[i].fan_id);
+ }
+
+ pr_debug("Dynamic Slider %s Defaults - END\n", idx ? "DC" : "AC");
+}
+#else
+static void amd_pmf_cnqf_dump_defaults(struct apmf_dyn_slider_output *data, int idx) {}
+#endif
+
static int amd_pmf_set_cnqf(struct amd_pmf_dev *dev, int src, int idx,
struct cnqf_config *table)
{
@@ -284,6 +339,7 @@ static int amd_pmf_load_defaults_cnqf(struct amd_pmf_dev *dev)
return ret;
}
+ amd_pmf_cnqf_dump_defaults(&out, i);
amd_pmf_update_mode_set(i, &out);
amd_pmf_update_trans_data(i, &out);
amd_pmf_update_power_threshold(i);