[PATCH 1/2] drm/amd/pm: Add reset option for fan_ctrl interfaces
Ma Jun
Jun.Ma2 at amd.com
Tue Oct 10 10:00:21 UTC 2023
Add reset option for fan_ctrl interfaces.
For example:
User can use the "echo r > acoustic_limit_rpm_threshold" command
to reset acoustic_limit_rpm_threshold to boot value
Signed-off-by: Ma Jun <Jun.Ma2 at amd.com>
---
drivers/gpu/drm/amd/pm/amdgpu_pm.c | 12 ++++++++++
.../drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 24 +++++++++++++++++++
2 files changed, 36 insertions(+)
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 4c65a2fac028..c7c29aa24c36 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -3680,6 +3680,9 @@ static umode_t fan_curve_visible(struct amdgpu_device *adev)
* When you have finished the editing, write "c" (commit) to the file to commit
* your changes.
*
+ * If you want to reset to the default value, write "r" (reset) to the file to
+ * reset them
+ *
* This setting works under auto fan control mode only. It adjusts the PMFW's
* behavior about the maximum speed in RPM the fan can spin. Setting via this
* interface will switch the fan control to auto mode implicitly.
@@ -3735,6 +3738,9 @@ static umode_t acoustic_limit_threshold_visible(struct amdgpu_device *adev)
* When you have finished the editing, write "c" (commit) to the file to commit
* your changes.
*
+ * If you want to reset to the default value, write "r" (reset) to the file to
+ * reset them
+ *
* This setting works under auto fan control mode only. It can co-exist with
* other settings which can work also under auto mode. It adjusts the PMFW's
* behavior about the maximum speed in RPM the fan can spin when ASIC
@@ -3792,6 +3798,9 @@ static umode_t acoustic_target_threshold_visible(struct amdgpu_device *adev)
* When you have finished the editing, write "c" (commit) to the file to commit
* your changes.
*
+ * If you want to reset to the default value, write "r" (reset) to the file to
+ * reset them
+ *
* This setting works under auto fan control mode only. It can co-exist with
* other settings which can work also under auto mode. Paring with the
* acoustic_target_rpm_threshold setting, they define the maximum speed in
@@ -3850,6 +3859,9 @@ static umode_t fan_target_temperature_visible(struct amdgpu_device *adev)
* When you have finished the editing, write "c" (commit) to the file to commit
* your changes.
*
+ * If you want to reset to the default value, write "r" (reset) to the file to
+ * reset them
+ *
* This setting works under auto fan control mode only. It can co-exist with
* other settings which can work also under auto mode. It adjusts the PMFW's
* behavior about the minimum fan speed in PWM the fan should spin. Setting
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index 47d008cbc186..4ddaa372604a 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -1533,6 +1533,30 @@ static int smu_v13_0_0_od_restore_table_single(struct smu_context *smu, long inp
od_table->OverDriveTable.FanMode = FAN_MODE_AUTO;
od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_FAN_CURVE_BIT);
break;
+ case PP_OD_EDIT_ACOUSTIC_LIMIT:
+ od_table->OverDriveTable.AcousticLimitRpmThreshold =
+ boot_overdrive_table->OverDriveTable.AcousticLimitRpmThreshold;
+ od_table->OverDriveTable.FanMode = FAN_MODE_AUTO;
+ od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_FAN_CURVE_BIT);
+ break;
+ case PP_OD_EDIT_ACOUSTIC_TARGET:
+ od_table->OverDriveTable.AcousticTargetRpmThreshold =
+ boot_overdrive_table->OverDriveTable.AcousticTargetRpmThreshold;
+ od_table->OverDriveTable.FanMode = FAN_MODE_AUTO;
+ od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_FAN_CURVE_BIT);
+ break;
+ case PP_OD_EDIT_FAN_TARGET_TEMPERATURE:
+ od_table->OverDriveTable.FanTargetTemperature =
+ boot_overdrive_table->OverDriveTable.FanTargetTemperature;
+ od_table->OverDriveTable.FanMode = FAN_MODE_AUTO;
+ od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_FAN_CURVE_BIT);
+ break;
+ case PP_OD_EDIT_FAN_MINIMUM_PWM:
+ od_table->OverDriveTable.FanMinimumPwm =
+ boot_overdrive_table->OverDriveTable.FanMinimumPwm;
+ od_table->OverDriveTable.FanMode = FAN_MODE_AUTO;
+ od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_FAN_CURVE_BIT);
+ break;
default:
dev_info(adev->dev, "Invalid table index: %ld\n", input);
return -EINVAL;
--
2.34.1
More information about the amd-gfx
mailing list