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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c83
1 files changed, 41 insertions, 42 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index f6ce52956e6d..a59e04f3eeba 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -64,10 +64,6 @@ static const struct cg_flag_name clocks[] = {
void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev)
{
- if (adev->pp_enabled)
- /* TODO */
- return;
-
if (adev->pm.dpm_enabled) {
mutex_lock(&adev->pm.mutex);
if (power_supply_is_system_supplied() > 0)
@@ -118,7 +114,7 @@ static ssize_t amdgpu_set_dpm_state(struct device *dev,
goto fail;
}
- if (adev->pp_enabled) {
+ if (adev->powerplay.pp_funcs->dispatch_tasks) {
amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_ENABLE_USER_STATE, &state, NULL);
} else {
mutex_lock(&adev->pm.mutex);
@@ -303,7 +299,8 @@ static ssize_t amdgpu_set_pp_force_state(struct device *dev,
if (strlen(buf) == 1)
adev->pp_force_state_enabled = false;
- else if (adev->pp_enabled) {
+ else if (adev->powerplay.pp_funcs->dispatch_tasks &&
+ adev->powerplay.pp_funcs->get_pp_num_states) {
struct pp_states_info data;
ret = kstrtoul(buf, 0, &idx);
@@ -531,7 +528,7 @@ static ssize_t amdgpu_set_pp_sclk_od(struct device *dev,
if (adev->powerplay.pp_funcs->set_sclk_od)
amdgpu_dpm_set_sclk_od(adev, (uint32_t)value);
- if (adev->pp_enabled) {
+ if (adev->powerplay.pp_funcs->dispatch_tasks) {
amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_READJUST_POWER_STATE, NULL, NULL);
} else {
adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps;
@@ -575,7 +572,7 @@ static ssize_t amdgpu_set_pp_mclk_od(struct device *dev,
if (adev->powerplay.pp_funcs->set_mclk_od)
amdgpu_dpm_set_mclk_od(adev, (uint32_t)value);
- if (adev->pp_enabled) {
+ if (adev->powerplay.pp_funcs->dispatch_tasks) {
amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_READJUST_POWER_STATE, NULL, NULL);
} else {
adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps;
@@ -959,9 +956,6 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
return 0;
- if (adev->pp_enabled)
- return effective_mode;
-
/* Skip fan attributes if fan is not present */
if (adev->pm.no_fan &&
(attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
@@ -1317,6 +1311,9 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
if (adev->pm.sysfs_initialized)
return 0;
+ if (adev->pm.dpm_enabled == 0)
+ return 0;
+
if (adev->powerplay.pp_funcs->get_temperature == NULL)
return 0;
@@ -1341,27 +1338,26 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
return ret;
}
- if (adev->pp_enabled) {
- ret = device_create_file(adev->dev, &dev_attr_pp_num_states);
- if (ret) {
- DRM_ERROR("failed to create device file pp_num_states\n");
- return ret;
- }
- ret = device_create_file(adev->dev, &dev_attr_pp_cur_state);
- if (ret) {
- DRM_ERROR("failed to create device file pp_cur_state\n");
- return ret;
- }
- ret = device_create_file(adev->dev, &dev_attr_pp_force_state);
- if (ret) {
- DRM_ERROR("failed to create device file pp_force_state\n");
- return ret;
- }
- ret = device_create_file(adev->dev, &dev_attr_pp_table);
- if (ret) {
- DRM_ERROR("failed to create device file pp_table\n");
- return ret;
- }
+
+ ret = device_create_file(adev->dev, &dev_attr_pp_num_states);
+ if (ret) {
+ DRM_ERROR("failed to create device file pp_num_states\n");
+ return ret;
+ }
+ ret = device_create_file(adev->dev, &dev_attr_pp_cur_state);
+ if (ret) {
+ DRM_ERROR("failed to create device file pp_cur_state\n");
+ return ret;
+ }
+ ret = device_create_file(adev->dev, &dev_attr_pp_force_state);
+ if (ret) {
+ DRM_ERROR("failed to create device file pp_force_state\n");
+ return ret;
+ }
+ ret = device_create_file(adev->dev, &dev_attr_pp_table);
+ if (ret) {
+ DRM_ERROR("failed to create device file pp_table\n");
+ return ret;
}
ret = device_create_file(adev->dev, &dev_attr_pp_dpm_sclk);
@@ -1417,16 +1413,19 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
{
+ if (adev->pm.dpm_enabled == 0)
+ return;
+
if (adev->pm.int_hwmon_dev)
hwmon_device_unregister(adev->pm.int_hwmon_dev);
device_remove_file(adev->dev, &dev_attr_power_dpm_state);
device_remove_file(adev->dev, &dev_attr_power_dpm_force_performance_level);
- if (adev->pp_enabled) {
- device_remove_file(adev->dev, &dev_attr_pp_num_states);
- device_remove_file(adev->dev, &dev_attr_pp_cur_state);
- device_remove_file(adev->dev, &dev_attr_pp_force_state);
- device_remove_file(adev->dev, &dev_attr_pp_table);
- }
+
+ device_remove_file(adev->dev, &dev_attr_pp_num_states);
+ device_remove_file(adev->dev, &dev_attr_pp_cur_state);
+ device_remove_file(adev->dev, &dev_attr_pp_force_state);
+ device_remove_file(adev->dev, &dev_attr_pp_table);
+
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);
@@ -1457,7 +1456,7 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
amdgpu_fence_wait_empty(ring);
}
- if (adev->pp_enabled) {
+ if (adev->powerplay.pp_funcs->dispatch_tasks) {
amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_DISPLAY_CONFIG_CHANGE, NULL, NULL);
} else {
mutex_lock(&adev->pm.mutex);
@@ -1592,15 +1591,15 @@ static int amdgpu_debugfs_pm_info(struct seq_file *m, void *data)
if ((adev->flags & AMD_IS_PX) &&
(ddev->switch_power_state != DRM_SWITCH_POWER_ON)) {
seq_printf(m, "PX asic powered off\n");
- } else if (adev->pp_enabled) {
- return amdgpu_debugfs_pm_info_pp(m, adev);
- } else {
+ } else if (adev->powerplay.pp_funcs->debugfs_print_current_performance_level) {
mutex_lock(&adev->pm.mutex);
if (adev->powerplay.pp_funcs->debugfs_print_current_performance_level)
adev->powerplay.pp_funcs->debugfs_print_current_performance_level(adev, m);
else
seq_printf(m, "Debugfs support not implemented for this asic\n");
mutex_unlock(&adev->pm.mutex);
+ } else {
+ return amdgpu_debugfs_pm_info_pp(m, adev);
}
return 0;