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Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
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Hawking
-----Original Message-----
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of lyndonli
Sent: Monday, November 21, 2022 09:45
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Xu, Feifei <Feifei.Xu@xxxxxxx>; enneth.feng@xxxxxxx; Quan, Evan <Evan.Quan@xxxxxxx>; Li, Lyndon <Lyndon.Li@xxxxxxx>
Subject: [PATCH 2/2] drm/amdgpu: add the fan abnormal detection feature
Update the SW CTF limit from existing register when there's a fan failure detected via SMU interrupt.
Signed-off-by: lyndonli <Lyndon.Li@xxxxxxx>
---
drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h | 1 +
.../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 28 +++++++++++++++++++
.../drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c | 1 +
3 files changed, 30 insertions(+)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
index 44bbf17e4bef..3bc4128a22ac 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
@@ -168,6 +168,7 @@ struct smu_temperature_range {
int mem_crit_max;
int mem_emergency_max;
int software_shutdown_temp;
+ int software_shutdown_temp_offset;
};
struct smu_state_validation_block {
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
index 89f0f6eb19f3..5a905002252d 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
@@ -1376,6 +1376,7 @@ static int smu_v13_0_irq_process(struct amdgpu_device *adev,
*/
uint32_t ctxid = entry->src_data[0];
uint32_t data;
+ uint32_t high;
if (client_id == SOC15_IH_CLIENTID_THM) {
switch (src_id) {
@@ -1432,6 +1433,33 @@ static int smu_v13_0_irq_process(struct amdgpu_device *adev,
schedule_work(&smu->throttling_logging_work);
break;
+ case 0x8:
+ high = smu->thermal_range.software_shutdown_temp +
+ smu->thermal_range.software_shutdown_temp_offset;
+ high = min(SMU_THERMAL_MAXIMUM_ALERT_TEMP, high);
+ dev_emerg(adev->dev, "Reduce soft CTF limit to %d (by an offset %d)\n",
+ high,
+ smu->thermal_range.software_shutdown_temp_offset);
+
+ data = RREG32_SOC15(THM, 0, regTHM_THERMAL_INT_CTRL);
+ data = REG_SET_FIELD(data, THM_THERMAL_INT_CTRL,
+ DIG_THERM_INTH,
+ (high & 0xff));
+ data = data & (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK);
+ WREG32_SOC15(THM, 0, regTHM_THERMAL_INT_CTRL, data);
+ break;
+ case 0x9:
+ high = min(SMU_THERMAL_MAXIMUM_ALERT_TEMP,
+ smu->thermal_range.software_shutdown_temp);
+ dev_emerg(adev->dev, "Recover soft CTF limit to %d\n", high);
+
+ data = RREG32_SOC15(THM, 0, regTHM_THERMAL_INT_CTRL);
+ data = REG_SET_FIELD(data, THM_THERMAL_INT_CTRL,
+ DIG_THERM_INTH,
+ (high & 0xff));
+ data = data & (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK);
+ WREG32_SOC15(THM, 0, regTHM_THERMAL_INT_CTRL, data);
+ break;
}
}
}
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
index d74debc584f8..c3c9ef523e59 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
@@ -1223,6 +1223,7 @@ static int smu_v13_0_7_get_thermal_temperature_range(struct smu_context *smu,
range->mem_emergency_max = (pptable->SkuTable.TemperatureLimit[TEMP_MEM] + CTF_OFFSET_MEM)*
SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;
range->software_shutdown_temp = powerplay_table->software_shutdown_temp;
+ range->software_shutdown_temp_offset =
+pptable->SkuTable.FanAbnormalTempLimitOffset;
return 0;
}
--
2.25.1
