github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 10:04:04 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/amd/pm: add fan abnormal detection

Browse Source 
add fan abnormal detection on smu v14.0.2&smu v14.0.3

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kenneth Feng 2025-02-27 10:13:53 +08:00 committed by Alex Deucher
parent 509d662a57
commit 0107c595c5
1 changed files with 52 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c
View File

@ -950,6 +950,14 @@ static int smu_v14_0_irq_process(struct amdgpu_device *adev,
uint32_t client_id = entry->client_id;
uint32_t src_id = entry->src_id;
/*
* ctxid is used to distinguish different
* events for SMCToHost interrupt.
*/
uint32_t ctxid = entry->src_data[0];
uint32_t data;
uint32_t high;
if (client_id == SOC15_IH_CLIENTID_THM) {
switch (src_id) {
case THM_11_0__SRCID__THM_DIG_THERM_L2H:
@ -964,6 +972,50 @@ static int smu_v14_0_irq_process(struct amdgpu_device *adev,
src_id);
break;
}
} else if (client_id == SOC15_IH_CLIENTID_MP1) {
if (src_id == SMU_IH_INTERRUPT_ID_TO_DRIVER) {
/* ACK SMUToHost interrupt */
data = RREG32_SOC15(MP1, 0, regMP1_SMN_IH_SW_INT_CTRL);
data = REG_SET_FIELD(data, MP1_SMN_IH_SW_INT_CTRL, INT_ACK, 1);
WREG32_SOC15(MP1, 0, regMP1_SMN_IH_SW_INT_CTRL, data);
switch (ctxid) {
case SMU_IH_INTERRUPT_CONTEXT_ID_FAN_ABNORMAL:
high = smu->thermal_range.software_shutdown_temp +
smu->thermal_range.software_shutdown_temp_offset;
high = min_t(typeof(high),
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 SMU_IH_INTERRUPT_CONTEXT_ID_FAN_RECOVERY:
high = min_t(typeof(high),
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;
default:
dev_dbg(adev->dev, "Unhandled context id %d from client:%d!\n",
ctxid, client_id);
break;
}
}
}
return 0;