|
@@ -469,6 +469,46 @@ fail:
|
|
|
return count;
|
|
|
}
|
|
|
|
|
|
+static ssize_t amdgpu_get_pp_sclk_od(struct device *dev,
|
|
|
+ struct device_attribute *attr,
|
|
|
+ char *buf)
|
|
|
+{
|
|
|
+ struct drm_device *ddev = dev_get_drvdata(dev);
|
|
|
+ struct amdgpu_device *adev = ddev->dev_private;
|
|
|
+ uint32_t value = 0;
|
|
|
+
|
|
|
+ if (adev->pp_enabled)
|
|
|
+ value = amdgpu_dpm_get_sclk_od(adev);
|
|
|
+
|
|
|
+ return snprintf(buf, PAGE_SIZE, "%d\n", value);
|
|
|
+}
|
|
|
+
|
|
|
+static ssize_t amdgpu_set_pp_sclk_od(struct device *dev,
|
|
|
+ struct device_attribute *attr,
|
|
|
+ const char *buf,
|
|
|
+ size_t count)
|
|
|
+{
|
|
|
+ struct drm_device *ddev = dev_get_drvdata(dev);
|
|
|
+ struct amdgpu_device *adev = ddev->dev_private;
|
|
|
+ int ret;
|
|
|
+ long int value;
|
|
|
+
|
|
|
+ ret = kstrtol(buf, 0, &value);
|
|
|
+
|
|
|
+ if (ret) {
|
|
|
+ count = -EINVAL;
|
|
|
+ goto fail;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (adev->pp_enabled)
|
|
|
+ amdgpu_dpm_set_sclk_od(adev, (uint32_t)value);
|
|
|
+
|
|
|
+ amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_READJUST_POWER_STATE, NULL, NULL);
|
|
|
+
|
|
|
+fail:
|
|
|
+ return count;
|
|
|
+}
|
|
|
+
|
|
|
static DEVICE_ATTR(power_dpm_state, S_IRUGO | S_IWUSR, amdgpu_get_dpm_state, amdgpu_set_dpm_state);
|
|
|
static DEVICE_ATTR(power_dpm_force_performance_level, S_IRUGO | S_IWUSR,
|
|
|
amdgpu_get_dpm_forced_performance_level,
|
|
@@ -490,6 +530,9 @@ static DEVICE_ATTR(pp_dpm_mclk, S_IRUGO | S_IWUSR,
|
|
|
static DEVICE_ATTR(pp_dpm_pcie, S_IRUGO | S_IWUSR,
|
|
|
amdgpu_get_pp_dpm_pcie,
|
|
|
amdgpu_set_pp_dpm_pcie);
|
|
|
+static DEVICE_ATTR(pp_sclk_od, S_IRUGO | S_IWUSR,
|
|
|
+ amdgpu_get_pp_sclk_od,
|
|
|
+ amdgpu_set_pp_sclk_od);
|
|
|
|
|
|
static ssize_t amdgpu_hwmon_show_temp(struct device *dev,
|
|
|
struct device_attribute *attr,
|
|
@@ -1123,6 +1166,11 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
|
|
|
DRM_ERROR("failed to create device file pp_dpm_pcie\n");
|
|
|
return ret;
|
|
|
}
|
|
|
+ ret = device_create_file(adev->dev, &dev_attr_pp_sclk_od);
|
|
|
+ if (ret) {
|
|
|
+ DRM_ERROR("failed to create device file pp_sclk_od\n");
|
|
|
+ return ret;
|
|
|
+ }
|
|
|
}
|
|
|
ret = amdgpu_debugfs_pm_init(adev);
|
|
|
if (ret) {
|
|
@@ -1149,6 +1197,7 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
|
|
|
device_remove_file(adev->dev, &dev_attr_pp_dpm_sclk);
|
|
|
device_remove_file(adev->dev, &dev_attr_pp_dpm_mclk);
|
|
|
device_remove_file(adev->dev, &dev_attr_pp_dpm_pcie);
|
|
|
+ device_remove_file(adev->dev, &dev_attr_pp_sclk_od);
|
|
|
}
|
|
|
}
|
|
|
|