[PATCH v3 3/4] drm/amd/pm: Expose ppt1 limit for gc_v9_5_0

[Asad Kamal <asad.kamal@amd.com>]

Expose power2_cap hwmon node for retrieving and configuring ppt1
limit on supported boards for gc_v9_5_0

v2: Remove version check (Lijo)

v3: Remove power2_average (Lijo)

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
---
 drivers/gpu/drm/amd/pm/amdgpu_pm.c        | 15 ++++++++-------
 drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c |  2 ++
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 69aa8e22f103..d9e37fd6e186 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -3373,7 +3373,9 @@ static ssize_t amdgpu_hwmon_show_power_label(struct device *dev,
 				  to_sensor_dev_attr(attr)->index == PP_PWR_TYPE_FAST ?
 				  "fastPPT" : "slowPPT");
 	else
-		return sysfs_emit(buf, "PPT\n");
+		return sysfs_emit(buf, "%s\n",
+				  to_sensor_dev_attr(attr)->index == PP_PWR_TYPE_FAST ?
+				  "PPT1" : "PPT");
 }
 
 static ssize_t amdgpu_hwmon_set_power_cap(struct device *dev,
@@ -3578,7 +3580,6 @@ static SENSOR_DEVICE_ATTR(power1_cap_min, S_IRUGO, amdgpu_hwmon_show_power_cap_m
 static SENSOR_DEVICE_ATTR(power1_cap, S_IRUGO | S_IWUSR, amdgpu_hwmon_show_power_cap, amdgpu_hwmon_set_power_cap, 0);
 static SENSOR_DEVICE_ATTR(power1_cap_default, S_IRUGO, amdgpu_hwmon_show_power_cap_default, NULL, 0);
 static SENSOR_DEVICE_ATTR(power1_label, S_IRUGO, amdgpu_hwmon_show_power_label, NULL, 0);
-static SENSOR_DEVICE_ATTR(power2_average, S_IRUGO, amdgpu_hwmon_show_power_avg, NULL, 1);
 static SENSOR_DEVICE_ATTR(power2_cap_max, S_IRUGO, amdgpu_hwmon_show_power_cap_max, NULL, 1);
 static SENSOR_DEVICE_ATTR(power2_cap_min, S_IRUGO, amdgpu_hwmon_show_power_cap_min, NULL, 1);
 static SENSOR_DEVICE_ATTR(power2_cap, S_IRUGO | S_IWUSR, amdgpu_hwmon_show_power_cap, amdgpu_hwmon_set_power_cap, 1);
@@ -3627,7 +3628,6 @@ static struct attribute *hwmon_attributes[] = {
 	&sensor_dev_attr_power1_cap.dev_attr.attr,
 	&sensor_dev_attr_power1_cap_default.dev_attr.attr,
 	&sensor_dev_attr_power1_label.dev_attr.attr,
-	&sensor_dev_attr_power2_average.dev_attr.attr,
 	&sensor_dev_attr_power2_cap_max.dev_attr.attr,
 	&sensor_dev_attr_power2_cap_min.dev_attr.attr,
 	&sensor_dev_attr_power2_cap.dev_attr.attr,
@@ -3826,13 +3826,14 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
 		return 0;
 
 	/* only Vangogh has fast PPT limit and power labels */
-	if (!(gc_ver == IP_VERSION(10, 3, 1)) &&
-	    (attr == &sensor_dev_attr_power2_average.dev_attr.attr ||
-	     attr == &sensor_dev_attr_power2_cap_max.dev_attr.attr ||
+	if ((attr == &sensor_dev_attr_power2_cap_max.dev_attr.attr ||
 	     attr == &sensor_dev_attr_power2_cap_min.dev_attr.attr ||
 	     attr == &sensor_dev_attr_power2_cap.dev_attr.attr ||
 	     attr == &sensor_dev_attr_power2_cap_default.dev_attr.attr ||
-	     attr == &sensor_dev_attr_power2_label.dev_attr.attr))
+	     attr == &sensor_dev_attr_power2_label.dev_attr.attr) &&
+	     (amdgpu_dpm_get_power_limit(adev, &tmp,
+					 PP_PWR_LIMIT_MAX,
+					 PP_PWR_TYPE_FAST) == -EOPNOTSUPP))
 		return 0;
 
 	return effective_mode;
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index c0e7c45ac0e6..8b49fb86c77b 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -2938,6 +2938,8 @@ int smu_get_power_limit(void *handle,
 	if (limit_type != SMU_DEFAULT_PPT_LIMIT) {
 		if (smu->ppt_funcs->get_ppt_limit)
 			ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level);
+		else
+			return -EOPNOTSUPP;
 	} else {
 		switch (limit_level) {
 		case SMU_PPT_LIMIT_CURRENT:
-- 
2.46.0