Commit ded57e49 authored by Pierre-Eric Pelloux-Prayer's avatar Pierre-Eric Pelloux-Prayer Committed by Alex Deucher
Browse files

drm/amd/pm: use pm_runtime_resume_and_get 



Using pm_runtime_resume_and_get over pm_runtime_get_sync is recommended.

Tested-by: default avatarMario Limonciello <mario.limonciello@amd.com>
Reviewed-by: default avatarKenneth Feng <kenneth.feng@amd.com>
Signed-off-by: default avatarPierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent b0fca327

drivers/gpu/drm/amd/pm/amdgpu_pm.c

+89 −174
Original line number Diff line number Diff line
@@ -145,11 +145,9 @@ static ssize_t amdgpu_get_power_dpm_state(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	amdgpu_dpm_get_current_power_state(adev, &pm);
@@ -185,11 +183,9 @@ static ssize_t amdgpu_set_power_dpm_state(struct device *dev, 
	else

		return -EINVAL;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	amdgpu_dpm_set_power_state(adev, state);
@@ -273,11 +269,9 @@ static ssize_t amdgpu_get_power_dpm_force_performance_level(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	level = amdgpu_dpm_get_performance_level(adev);
@@ -336,11 +330,9 @@ static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev, 
		return -EINVAL;

	}



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	mutex_lock(&adev->pm.stable_pstate_ctx_lock);

	if (amdgpu_dpm_force_performance_level(adev, level)) {
@@ -374,11 +366,9 @@ static ssize_t amdgpu_get_pp_num_states(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	if (amdgpu_dpm_get_pp_num_states(adev, &data))

		memset(&data, 0, sizeof(data));
@@ -412,11 +402,9 @@ static ssize_t amdgpu_get_pp_cur_state(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	amdgpu_dpm_get_current_power_state(adev, &pm);
@@ -485,11 +473,9 @@ static ssize_t amdgpu_set_pp_force_state(struct device *dev, 


	idx = array_index_nospec(idx, ARRAY_SIZE(data.states));



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	ret = amdgpu_dpm_get_pp_num_states(adev, &data);

	if (ret)
@@ -544,11 +530,9 @@ static ssize_t amdgpu_get_pp_table(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	size = amdgpu_dpm_get_pp_table(adev, &table);
@@ -580,11 +564,9 @@ static ssize_t amdgpu_set_pp_table(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	ret = amdgpu_dpm_set_pp_table(adev, buf, count);
@@ -808,11 +790,9 @@ static ssize_t amdgpu_set_pp_od_clk_voltage(struct device *dev, 
			tmp_str++;

	}



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	if (amdgpu_dpm_set_fine_grain_clk_vol(adev,

					      type,
@@ -865,11 +845,9 @@ static ssize_t amdgpu_get_pp_od_clk_voltage(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	for (clk_index = 0 ; clk_index < 6 ; clk_index++) {

		ret = amdgpu_dpm_emit_clock_levels(adev, od_clocks[clk_index], buf, &size);
@@ -929,11 +907,9 @@ static ssize_t amdgpu_set_pp_features(struct device *dev, 
	if (ret)

		return -EINVAL;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	ret = amdgpu_dpm_set_ppfeature_status(adev, featuremask);
@@ -960,11 +936,9 @@ static ssize_t amdgpu_get_pp_features(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	size = amdgpu_dpm_get_ppfeature_status(adev, buf);

	if (size <= 0)
@@ -1029,11 +1003,9 @@ static ssize_t amdgpu_get_pp_dpm_clock(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	ret = amdgpu_dpm_emit_clock_levels(adev, type, buf, &size);

	if (ret == -ENOENT)
@@ -1102,11 +1074,9 @@ static ssize_t amdgpu_set_pp_dpm_clock(struct device *dev, 
	if (ret)

		return ret;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	ret = amdgpu_dpm_force_clock_level(adev, type, mask);
@@ -1283,11 +1253,9 @@ static ssize_t amdgpu_get_pp_sclk_od(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	value = amdgpu_dpm_get_sclk_od(adev);
@@ -1317,11 +1285,9 @@ static ssize_t amdgpu_set_pp_sclk_od(struct device *dev, 
	if (ret)

		return -EINVAL;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	amdgpu_dpm_set_sclk_od(adev, (uint32_t)value);
@@ -1345,11 +1311,9 @@ static ssize_t amdgpu_get_pp_mclk_od(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	value = amdgpu_dpm_get_mclk_od(adev);
@@ -1379,11 +1343,9 @@ static ssize_t amdgpu_set_pp_mclk_od(struct device *dev, 
	if (ret)

		return -EINVAL;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	amdgpu_dpm_set_mclk_od(adev, (uint32_t)value);
@@ -1427,11 +1389,9 @@ static ssize_t amdgpu_get_pp_power_profile_mode(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	size = amdgpu_dpm_get_power_profile_mode(adev, buf);

	if (size <= 0)
@@ -1492,11 +1452,9 @@ static ssize_t amdgpu_set_pp_power_profile_mode(struct device *dev, 
	}

	parameter[parameter_size] = profile_mode;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	ret = amdgpu_dpm_set_power_profile_mode(adev, parameter, parameter_size);
@@ -1520,11 +1478,9 @@ static int amdgpu_hwmon_get_sensor_generic(struct amdgpu_device *adev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);

	if (r < 0) {

		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);

	r = pm_runtime_resume_and_get(adev->dev);

	if (r < 0)

		return r;

	}



	/* get the sensor value */

	r = amdgpu_dpm_read_sensor(adev, sensor, query, &size);
@@ -1639,11 +1595,9 @@ static ssize_t amdgpu_get_pcie_bw(struct device *dev, 
	if (!adev->asic_funcs->get_pcie_usage)

		return -ENODATA;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	amdgpu_asic_get_pcie_usage(adev, &count0, &count1);
@@ -1770,11 +1724,9 @@ static ssize_t amdgpu_get_apu_thermal_cap(struct device *dev, 
	struct drm_device *ddev = dev_get_drvdata(dev);

	struct amdgpu_device *adev = drm_to_adev(ddev);



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	ret = amdgpu_dpm_get_apu_thermal_limit(adev, &limit);

	if (!ret)
@@ -1807,11 +1759,9 @@ static ssize_t amdgpu_set_apu_thermal_cap(struct device *dev, 
		return -EINVAL;

	}



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	ret = amdgpu_dpm_set_apu_thermal_limit(adev, value);

	if (ret) {
@@ -1851,11 +1801,9 @@ static ssize_t amdgpu_get_pm_metrics(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	size = amdgpu_dpm_get_pm_metrics(adev, buf, PAGE_SIZE);
@@ -1892,11 +1840,9 @@ static ssize_t amdgpu_get_gpu_metrics(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	size = amdgpu_dpm_get_gpu_metrics(adev, &gpu_metrics);

	if (size <= 0)
@@ -2010,11 +1956,9 @@ static ssize_t amdgpu_set_smartshift_bias(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	r = pm_runtime_get_sync(ddev->dev);

	if (r < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	r = pm_runtime_resume_and_get(ddev->dev);

	if (r < 0)

		return r;

	}



	r = kstrtoint(buf, 10, &bias);

	if (r)
@@ -2337,11 +2281,9 @@ static ssize_t amdgpu_set_pm_policy_attr(struct device *dev, 
	policy_attr =

		container_of(attr, struct amdgpu_pm_policy_attr, dev_attr);



	ret = pm_runtime_get_sync(ddev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(ddev->dev);

	ret = pm_runtime_resume_and_get(ddev->dev);

	if (ret < 0)

		return ret;

	}



	ret = amdgpu_dpm_set_pm_policy(adev, policy_attr->id, val);
@@ -2774,11 +2716,9 @@ static ssize_t amdgpu_hwmon_get_pwm1_enable(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(adev_to_drm(adev)->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);

	ret = pm_runtime_resume_and_get(adev->dev);

	if (ret < 0)

		return ret;

	}



	ret = amdgpu_dpm_get_fan_control_mode(adev, &pwm_mode);
@@ -2819,11 +2759,9 @@ static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev, 
	else

		return -EINVAL;



	ret = pm_runtime_get_sync(adev_to_drm(adev)->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);

	ret = pm_runtime_resume_and_get(adev->dev);

	if (ret < 0)

		return ret;

	}



	ret = amdgpu_dpm_set_fan_control_mode(adev, pwm_mode);
@@ -2868,11 +2806,9 @@ static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev, 
	if (err)

		return err;



	err = pm_runtime_get_sync(adev_to_drm(adev)->dev);

	if (err < 0) {

		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);

	err = pm_runtime_resume_and_get(adev->dev);

	if (err < 0)

		return err;

	}



	err = amdgpu_dpm_get_fan_control_mode(adev, &pwm_mode);

	if (err)
@@ -2909,11 +2845,9 @@ static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	err = pm_runtime_get_sync(adev_to_drm(adev)->dev);

	if (err < 0) {

		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);

	err = pm_runtime_resume_and_get(adev->dev);

	if (err < 0)

		return err;

	}



	err = amdgpu_dpm_get_fan_speed_pwm(adev, &speed);
@@ -2939,11 +2873,9 @@ static ssize_t amdgpu_hwmon_get_fan1_input(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	err = pm_runtime_get_sync(adev_to_drm(adev)->dev);

	if (err < 0) {

		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);

	err = pm_runtime_resume_and_get(adev->dev);

	if (err < 0)

		return err;

	}



	err = amdgpu_dpm_get_fan_speed_rpm(adev, &speed);
@@ -3003,11 +2935,9 @@ static ssize_t amdgpu_hwmon_get_fan1_target(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	err = pm_runtime_get_sync(adev_to_drm(adev)->dev);

	if (err < 0) {

		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);

	err = pm_runtime_resume_and_get(adev->dev);

	if (err < 0)

		return err;

	}



	err = amdgpu_dpm_get_fan_speed_rpm(adev, &rpm);
@@ -3038,11 +2968,9 @@ static ssize_t amdgpu_hwmon_set_fan1_target(struct device *dev, 
	if (err)

		return err;



	err = pm_runtime_get_sync(adev_to_drm(adev)->dev);

	if (err < 0) {

		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);

	err = pm_runtime_resume_and_get(adev->dev);

	if (err < 0)

		return err;

	}



	err = amdgpu_dpm_get_fan_control_mode(adev, &pwm_mode);

	if (err)
@@ -3078,11 +3006,9 @@ static ssize_t amdgpu_hwmon_get_fan1_enable(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(adev_to_drm(adev)->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);

	ret = pm_runtime_resume_and_get(adev->dev);

	if (ret < 0)

		return ret;

	}



	ret = amdgpu_dpm_get_fan_control_mode(adev, &pwm_mode);
@@ -3121,11 +3047,9 @@ static ssize_t amdgpu_hwmon_set_fan1_enable(struct device *dev, 
	else

		return -EINVAL;



	err = pm_runtime_get_sync(adev_to_drm(adev)->dev);

	if (err < 0) {

		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);

	err = pm_runtime_resume_and_get(adev->dev);

	if (err < 0)

		return err;

	}



	err = amdgpu_dpm_set_fan_control_mode(adev, pwm_mode);
@@ -3250,11 +3174,9 @@ static ssize_t amdgpu_hwmon_show_power_cap_generic(struct device *dev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	r = pm_runtime_get_sync(adev_to_drm(adev)->dev);

	if (r < 0) {

		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);

	r = pm_runtime_resume_and_get(adev->dev);

	if (r < 0)

		return r;

	}



	r = amdgpu_dpm_get_power_limit(adev, &limit,

				      pp_limit_level, power_type);
@@ -3341,11 +3263,9 @@ static ssize_t amdgpu_hwmon_set_power_cap(struct device *dev, 
	value = value / 1000000; /* convert to Watt */

	value |= limit_type << 24;



	err = pm_runtime_get_sync(adev_to_drm(adev)->dev);

	if (err < 0) {

		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);

	err = pm_runtime_resume_and_get(adev->dev);

	if (err < 0)

		return err;

	}



	err = amdgpu_dpm_set_power_limit(adev, value);
@@ -3789,11 +3709,9 @@ static int amdgpu_retrieve_od_settings(struct amdgpu_device *adev, 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	ret = pm_runtime_get_sync(adev->dev);

	if (ret < 0) {

		pm_runtime_put_autosuspend(adev->dev);

	ret = pm_runtime_resume_and_get(adev->dev);

	if (ret < 0)

		return ret;

	}



	size = amdgpu_dpm_print_clock_levels(adev, od_type, buf);

	if (size == 0)
@@ -3881,23 +3799,23 @@ amdgpu_distribute_custom_od_settings(struct amdgpu_device *adev, 
	if (ret)

		return ret;



	ret = pm_runtime_get_sync(adev->dev);

	ret = pm_runtime_resume_and_get(adev->dev);

	if (ret < 0)

		goto err_out0;

		return ret;



	ret = amdgpu_dpm_odn_edit_dpm_table(adev,

					    cmd_type,

					    parameter,

					    parameter_size);

	if (ret)

		goto err_out1;

		goto err_out;



	if (cmd_type == PP_OD_COMMIT_DPM_TABLE) {

		ret = amdgpu_dpm_dispatch_task(adev,

					       AMD_PP_TASK_READJUST_POWER_STATE,

					       NULL);

		if (ret)

			goto err_out1;

			goto err_out;

	}



	pm_runtime_mark_last_busy(adev->dev);
@@ -3905,9 +3823,8 @@ amdgpu_distribute_custom_od_settings(struct amdgpu_device *adev, 


	return count;



err_out1:

err_out:

	pm_runtime_mark_last_busy(adev->dev);

err_out0:

	pm_runtime_put_autosuspend(adev->dev);



	return ret;
@@ -4760,11 +4677,9 @@ static int amdgpu_debugfs_pm_info_show(struct seq_file *m, void *unused) 
	if (adev->in_suspend && !adev->in_runpm)

		return -EPERM;



	r = pm_runtime_get_sync(dev->dev);

	if (r < 0) {

		pm_runtime_put_autosuspend(dev->dev);

	r = pm_runtime_resume_and_get(dev->dev);

	if (r < 0)

		return r;

	}



	if (amdgpu_dpm_debugfs_print_current_performance_level(adev, m)) {

		r = amdgpu_debugfs_pm_info_pp(m, adev);