linux-pikaos-6.12.6/patches/0004-zerofanstop1.patch

Signed-off-by: Wolfgang Müller <wolf at oriole.systems>
---
 Documentation/gpu/amdgpu/thermal.rst          |  6 ++
 .../gpu/drm/amd/include/kgd_pp_interface.h    |  2 +
 drivers/gpu/drm/amd/pm/amdgpu_pm.c            | 62 +++++++++++++++++++
 drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h       |  2 +
 drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c     |  2 +
 drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h  |  1 +
 .../drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c  | 55 +++++++++++++++-
 .../drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c  | 55 +++++++++++++++-
 8 files changed, 183 insertions(+), 2 deletions(-)

diff --git a/Documentation/gpu/amdgpu/thermal.rst b/Documentation/gpu/amdgpu/thermal.rst
index 6d942b5c5..ec6c1f1d5 100644
--- a/Documentation/gpu/amdgpu/thermal.rst
+++ b/Documentation/gpu/amdgpu/thermal.rst
@@ -100,6 +100,12 @@ fan_minimum_pwm
 .. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
    :doc: fan_minimum_pwm
 
+fan_zero_rpm_enable
+----------------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
+   :doc: fan_zero_rpm_enable
+
 GFXOFF
 ======
 
diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
index 2fa71f682..80e4b5a7d 100644
--- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
@@ -119,6 +119,7 @@ enum pp_clock_type {
 	OD_ACOUSTIC_TARGET,
 	OD_FAN_TARGET_TEMPERATURE,
 	OD_FAN_MINIMUM_PWM,
+	OD_FAN_ZERO_RPM_ENABLE,
 };
 
 enum amd_pp_sensors {
@@ -199,6 +200,7 @@ enum PP_OD_DPM_TABLE_COMMAND {
 	PP_OD_EDIT_ACOUSTIC_TARGET,
 	PP_OD_EDIT_FAN_TARGET_TEMPERATURE,
 	PP_OD_EDIT_FAN_MINIMUM_PWM,
+	PP_OD_EDIT_FAN_ZERO_RPM_ENABLE,
 };
 
 struct pp_states_info {
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index ea9407733..cb96f1f8c 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -4109,6 +4109,60 @@ static umode_t fan_minimum_pwm_visible(struct amdgpu_device *adev)
 	return umode;
 }
 
+/**
+ * DOC: fan_zero_rpm_enable
+ *
+ * The amdgpu driver provides a sysfs API for checking and adjusting the
+ * zero RPM feature.
+ *
+ * Reading back the file shows you the current setting and the permitted
+ * ranges if changable.
+ *
+ * Writing an integer to the file, change the setting accordingly.
+ *
+ * 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.
+ */
+static ssize_t fan_zero_rpm_enable_show(struct kobject *kobj,
+					   struct kobj_attribute *attr,
+					   char *buf)
+{
+	struct od_kobj *container = container_of(kobj, struct od_kobj, kobj);
+	struct amdgpu_device *adev = (struct amdgpu_device *)container->priv;
+
+	return (ssize_t)amdgpu_retrieve_od_settings(adev, OD_FAN_ZERO_RPM_ENABLE, buf);
+}
+
+static ssize_t fan_zero_rpm_enable_store(struct kobject *kobj,
+					    struct kobj_attribute *attr,
+					    const char *buf,
+					    size_t count)
+{
+	struct od_kobj *container = container_of(kobj, struct od_kobj, kobj);
+	struct amdgpu_device *adev = (struct amdgpu_device *)container->priv;
+
+	return (ssize_t)amdgpu_distribute_custom_od_settings(adev,
+							     PP_OD_EDIT_FAN_ZERO_RPM_ENABLE,
+							     buf,
+							     count);
+}
+
+static umode_t fan_zero_rpm_enable_visible(struct amdgpu_device *adev)
+{
+	umode_t umode = 0000;
+
+	if (adev->pm.od_feature_mask & OD_OPS_SUPPORT_FAN_ZERO_RPM_ENABLE_RETRIEVE)
+		umode |= S_IRUSR | S_IRGRP | S_IROTH;
+
+	if (adev->pm.od_feature_mask & OD_OPS_SUPPORT_FAN_ZERO_RPM_ENABLE_SET)
+		umode |= S_IWUSR;
+
+	return umode;
+}
+
 static struct od_feature_set amdgpu_od_set = {
 	.containers = {
 		[0] = {
@@ -4154,6 +4208,14 @@ static struct od_feature_set amdgpu_od_set = {
 						.store = fan_minimum_pwm_store,
 					},
 				},
+				[5] = {
+					.name = "fan_zero_rpm_enable",
+					.ops = {
+						.is_visible = fan_zero_rpm_enable_visible,
+						.show = fan_zero_rpm_enable_show,
+						.store = fan_zero_rpm_enable_store,
+					},
+				},
 			},
 		},
 	},
diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
index f5bf41f21..b5daa12c0 100644
--- a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
+++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
@@ -328,6 +328,8 @@ struct config_table_setting
 #define OD_OPS_SUPPORT_FAN_TARGET_TEMPERATURE_SET		BIT(7)
 #define OD_OPS_SUPPORT_FAN_MINIMUM_PWM_RETRIEVE		BIT(8)
 #define OD_OPS_SUPPORT_FAN_MINIMUM_PWM_SET		BIT(9)
+#define OD_OPS_SUPPORT_FAN_ZERO_RPM_ENABLE_RETRIEVE	BIT(10)
+#define OD_OPS_SUPPORT_FAN_ZERO_RPM_ENABLE_SET		BIT(11)
 
 struct amdgpu_pm {
 	struct mutex		mutex;
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index accc96a03..8d3f3e735 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -2874,6 +2874,8 @@ static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type)
 		clk_type = SMU_OD_FAN_TARGET_TEMPERATURE; break;
 	case OD_FAN_MINIMUM_PWM:
 		clk_type = SMU_OD_FAN_MINIMUM_PWM; break;
+	case OD_FAN_ZERO_RPM_ENABLE:
+		clk_type = SMU_OD_FAN_ZERO_RPM_ENABLE; break;
 	default:
 		clk_type = SMU_CLK_COUNT; break;
 	}
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
index e71a721c1..e0abb449a 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
@@ -313,6 +313,7 @@ enum smu_clk_type {
 	SMU_OD_ACOUSTIC_TARGET,
 	SMU_OD_FAN_TARGET_TEMPERATURE,
 	SMU_OD_FAN_MINIMUM_PWM,
+	SMU_OD_FAN_ZERO_RPM_ENABLE,
 	SMU_CLK_COUNT,
 };
 
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 3e2277abc..0d9a4638e 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
@@ -107,6 +107,7 @@
 #define PP_OD_FEATURE_FAN_ACOUSTIC_TARGET		8
 #define PP_OD_FEATURE_FAN_TARGET_TEMPERATURE		9
 #define PP_OD_FEATURE_FAN_MINIMUM_PWM			10
+#define PP_OD_FEATURE_FAN_ZERO_RPM_ENABLE		11
 
 #define LINK_SPEED_MAX					3
 
@@ -1130,6 +1131,10 @@ static void smu_v13_0_0_get_od_setting_limits(struct smu_context *smu,
 		od_min_setting = overdrive_lowerlimits->FanMinimumPwm;
 		od_max_setting = overdrive_upperlimits->FanMinimumPwm;
 		break;
+	case PP_OD_FEATURE_FAN_ZERO_RPM_ENABLE:
+		od_min_setting = overdrive_lowerlimits->FanZeroRpmEnable;
+		od_max_setting = overdrive_upperlimits->FanZeroRpmEnable;
+		break;
 	default:
 		od_min_setting = od_max_setting = INT_MAX;
 		break;
@@ -1450,6 +1455,24 @@ static int smu_v13_0_0_print_clk_levels(struct smu_context *smu,
 				      min_value, max_value);
 		break;
 
+	case SMU_OD_FAN_ZERO_RPM_ENABLE:
+		if (!smu_v13_0_0_is_od_feature_supported(smu,
+							 PP_OD_FEATURE_ZERO_FAN_BIT))
+			break;
+
+		size += sysfs_emit_at(buf, size, "FAN_ZERO_RPM_ENABLE:\n");
+		size += sysfs_emit_at(buf, size, "%d\n",
+					(int)od_table->OverDriveTable.FanZeroRpmEnable);
+
+		size += sysfs_emit_at(buf, size, "%s:\n", "OD_RANGE");
+		smu_v13_0_0_get_od_setting_limits(smu,
+						  PP_OD_FEATURE_FAN_ZERO_RPM_ENABLE,
+						  &min_value,
+						  &max_value);
+		size += sysfs_emit_at(buf, size, "ZERO_RPM_ENABLE: %u %u\n",
+				      min_value, max_value);
+		break;
+
 	case SMU_OD_RANGE:
 		if (!smu_v13_0_0_is_od_feature_supported(smu, PP_OD_FEATURE_GFXCLK_BIT) &&
 		    !smu_v13_0_0_is_od_feature_supported(smu, PP_OD_FEATURE_UCLK_BIT) &&
@@ -1547,6 +1570,11 @@ 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_FAN_ZERO_RPM_ENABLE:
+		od_table->OverDriveTable.FanZeroRpmEnable =
+					boot_overdrive_table->OverDriveTable.FanZeroRpmEnable;
+		od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_ZERO_FAN_BIT);
+		break;
 	default:
 		dev_info(adev->dev, "Invalid table index: %ld\n", input);
 		return -EINVAL;
@@ -1840,6 +1868,27 @@ static int smu_v13_0_0_od_edit_dpm_table(struct smu_context *smu,
 		od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_FAN_CURVE_BIT);
 		break;
 
+	case PP_OD_EDIT_FAN_ZERO_RPM_ENABLE:
+		if (!smu_v13_0_0_is_od_feature_supported(smu, PP_OD_FEATURE_ZERO_FAN_BIT)) {
+			dev_warn(adev->dev, "Zero RPM setting not supported!\n");
+			return -ENOTSUPP;
+		}
+
+		smu_v13_0_0_get_od_setting_limits(smu,
+						  PP_OD_FEATURE_FAN_ZERO_RPM_ENABLE,
+						  &minimum,
+						  &maximum);
+		if (input[0] < minimum ||
+		    input[0] > maximum) {
+			dev_info(adev->dev, "zero RPM enable setting(%ld) must be within [%d, %d]!\n",
+				 input[0], minimum, maximum);
+			return -EINVAL;
+		}
+
+		od_table->OverDriveTable.FanZeroRpmEnable = input[0];
+		od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_ZERO_FAN_BIT);
+		break;
+
 	case PP_OD_RESTORE_DEFAULT_TABLE:
 		if (size == 1) {
 			ret = smu_v13_0_0_od_restore_table_single(smu, input[0]);
@@ -2110,7 +2159,9 @@ static void smu_v13_0_0_set_supported_od_feature_mask(struct smu_context *smu)
 					    OD_OPS_SUPPORT_FAN_TARGET_TEMPERATURE_RETRIEVE |
 					    OD_OPS_SUPPORT_FAN_TARGET_TEMPERATURE_SET |
 					    OD_OPS_SUPPORT_FAN_MINIMUM_PWM_RETRIEVE |
-					    OD_OPS_SUPPORT_FAN_MINIMUM_PWM_SET;
+					    OD_OPS_SUPPORT_FAN_MINIMUM_PWM_SET |
+					    OD_OPS_SUPPORT_FAN_ZERO_RPM_ENABLE_RETRIEVE |
+					    OD_OPS_SUPPORT_FAN_ZERO_RPM_ENABLE_SET;
 }
 
 static int smu_v13_0_0_set_default_od_settings(struct smu_context *smu)
@@ -2176,6 +2227,8 @@ static int smu_v13_0_0_set_default_od_settings(struct smu_context *smu)
 			user_od_table_bak.OverDriveTable.FanTargetTemperature;
 		user_od_table->OverDriveTable.FanMinimumPwm =
 			user_od_table_bak.OverDriveTable.FanMinimumPwm;
+		user_od_table->OverDriveTable.FanZeroRpmEnable =
+			user_od_table_bak.OverDriveTable.FanZeroRpmEnable;
 	}
 
 	smu_v13_0_0_set_supported_od_feature_mask(smu);
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 23f133884..6b61655f9 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
@@ -83,6 +83,7 @@
 #define PP_OD_FEATURE_FAN_ACOUSTIC_TARGET		8
 #define PP_OD_FEATURE_FAN_TARGET_TEMPERATURE		9
 #define PP_OD_FEATURE_FAN_MINIMUM_PWM			10
+#define PP_OD_FEATURE_FAN_ZERO_RPM_ENABLE		11
 
 #define LINK_SPEED_MAX					3
 
@@ -1119,6 +1120,10 @@ static void smu_v13_0_7_get_od_setting_limits(struct smu_context *smu,
 		od_min_setting = overdrive_lowerlimits->FanMinimumPwm;
 		od_max_setting = overdrive_upperlimits->FanMinimumPwm;
 		break;
+	case PP_OD_FEATURE_FAN_ZERO_RPM_ENABLE:
+		od_min_setting = overdrive_lowerlimits->FanZeroRpmEnable;
+		od_max_setting = overdrive_upperlimits->FanZeroRpmEnable;
+		break;
 	default:
 		od_min_setting = od_max_setting = INT_MAX;
 		break;
@@ -1439,6 +1444,24 @@ static int smu_v13_0_7_print_clk_levels(struct smu_context *smu,
 				      min_value, max_value);
 		break;
 
+	case SMU_OD_FAN_ZERO_RPM_ENABLE:
+		if (!smu_v13_0_7_is_od_feature_supported(smu,
+							 PP_OD_FEATURE_ZERO_FAN_BIT))
+			break;
+
+		size += sysfs_emit_at(buf, size, "FAN_ZERO_RPM_ENABLE:\n");
+		size += sysfs_emit_at(buf, size, "%d\n",
+					(int)od_table->OverDriveTable.FanZeroRpmEnable);
+
+		size += sysfs_emit_at(buf, size, "%s:\n", "OD_RANGE");
+		smu_v13_0_7_get_od_setting_limits(smu,
+						  PP_OD_FEATURE_FAN_ZERO_RPM_ENABLE,
+						  &min_value,
+						  &max_value);
+		size += sysfs_emit_at(buf, size, "ZERO_RPM_ENABLE: %u %u\n",
+				      min_value, max_value);
+		break;
+
 	case SMU_OD_RANGE:
 		if (!smu_v13_0_7_is_od_feature_supported(smu, PP_OD_FEATURE_GFXCLK_BIT) &&
 		    !smu_v13_0_7_is_od_feature_supported(smu, PP_OD_FEATURE_UCLK_BIT) &&
@@ -1535,6 +1558,11 @@ static int smu_v13_0_7_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_FAN_ZERO_RPM_ENABLE:
+		od_table->OverDriveTable.FanZeroRpmEnable =
+					boot_overdrive_table->OverDriveTable.FanZeroRpmEnable;
+		od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_ZERO_FAN_BIT);
+		break;
 	default:
 		dev_info(adev->dev, "Invalid table index: %ld\n", input);
 		return -EINVAL;
@@ -1828,6 +1856,27 @@ static int smu_v13_0_7_od_edit_dpm_table(struct smu_context *smu,
 		od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_FAN_CURVE_BIT);
 		break;
 
+	case PP_OD_EDIT_FAN_ZERO_RPM_ENABLE:
+		if (!smu_v13_0_7_is_od_feature_supported(smu, PP_OD_FEATURE_ZERO_FAN_BIT)) {
+			dev_warn(adev->dev, "Zero RPM setting not supported!\n");
+			return -ENOTSUPP;
+		}
+
+		smu_v13_0_7_get_od_setting_limits(smu,
+						  PP_OD_FEATURE_FAN_ZERO_RPM_ENABLE,
+						  &minimum,
+						  &maximum);
+		if (input[0] < minimum ||
+		    input[0] > maximum) {
+			dev_info(adev->dev, "zero RPM enable setting(%ld) must be within [%d, %d]!\n",
+				 input[0], minimum, maximum);
+			return -EINVAL;
+		}
+
+		od_table->OverDriveTable.FanZeroRpmEnable = input[0];
+		od_table->OverDriveTable.FeatureCtrlMask |= BIT(PP_OD_FEATURE_ZERO_FAN_BIT);
+		break;
+
 	case PP_OD_RESTORE_DEFAULT_TABLE:
 		if (size == 1) {
 			ret = smu_v13_0_7_od_restore_table_single(smu, input[0]);
@@ -2094,7 +2143,9 @@ static void smu_v13_0_7_set_supported_od_feature_mask(struct smu_context *smu)
 					    OD_OPS_SUPPORT_FAN_TARGET_TEMPERATURE_RETRIEVE |
 					    OD_OPS_SUPPORT_FAN_TARGET_TEMPERATURE_SET |
 					    OD_OPS_SUPPORT_FAN_MINIMUM_PWM_RETRIEVE |
-					    OD_OPS_SUPPORT_FAN_MINIMUM_PWM_SET;
+					    OD_OPS_SUPPORT_FAN_MINIMUM_PWM_SET |
+					    OD_OPS_SUPPORT_FAN_ZERO_RPM_ENABLE_RETRIEVE |
+					    OD_OPS_SUPPORT_FAN_ZERO_RPM_ENABLE_SET;
 }
 
 static int smu_v13_0_7_set_default_od_settings(struct smu_context *smu)
@@ -2160,6 +2211,8 @@ static int smu_v13_0_7_set_default_od_settings(struct smu_context *smu)
 			user_od_table_bak.OverDriveTable.FanTargetTemperature;
 		user_od_table->OverDriveTable.FanMinimumPwm =
 			user_od_table_bak.OverDriveTable.FanMinimumPwm;
+		user_od_table->OverDriveTable.FanZeroRpmEnable =
+			user_od_table_bak.OverDriveTable.FanZeroRpmEnable;
 	}
 
 	smu_v13_0_7_set_supported_od_feature_mask(smu);
-- 
2.47.0