drm/radeon/dpm: rework auto performance level enable

[karo-tx-linux.git] / drivers / gpu / drm / radeon / radeon_pm.c

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 33c88c4038cfc71d4dfacb919752624a2310a251..87e1d69e8fdb3b859af4ed3d809ea93db40f2c07 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -67,7 +67,16 @@ int radeon_pm_get_type_index(struct radeon_device *rdev,
 
 void radeon_pm_acpi_event_handler(struct radeon_device *rdev)
 {
-       if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
+       if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
+               mutex_lock(&rdev->pm.mutex);
+               if (power_supply_is_system_supplied() > 0)
+                       rdev->pm.dpm.ac_power = true;
+               else
+                       rdev->pm.dpm.ac_power = false;
+               if (rdev->asic->dpm.enable_bapm)
+                       radeon_dpm_enable_bapm(rdev, rdev->pm.dpm.ac_power);
+               mutex_unlock(&rdev->pm.mutex);
+        } else if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
                if (rdev->pm.profile == PM_PROFILE_AUTO) {
                        mutex_lock(&rdev->pm.mutex);
                        radeon_pm_update_profile(rdev);
@@ -908,10 +917,13 @@ static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev)
 
        radeon_dpm_post_set_power_state(rdev);
 
-       /* force low perf level for thermal */
-       if (rdev->pm.dpm.thermal_active &&
-           rdev->asic->dpm.force_performance_level) {
-               radeon_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_LOW);
+       if (rdev->asic->dpm.force_performance_level) {
+               if (rdev->pm.dpm.thermal_active)
+                       /* force low perf level for thermal */
+                       radeon_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_LOW);
+               else
+                       /* otherwise, enable auto */
+                       radeon_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO);
        }
 
 done:
@@ -1140,9 +1152,10 @@ static int radeon_pm_init_dpm(struct radeon_device *rdev)
 {
        int ret;
 
-       /* default to performance state */
+       /* default to balanced state */
        rdev->pm.dpm.state = POWER_STATE_TYPE_BALANCED;
        rdev->pm.dpm.user_state = POWER_STATE_TYPE_BALANCED;
+       rdev->pm.dpm.forced_level = RADEON_DPM_FORCED_LEVEL_AUTO;
        rdev->pm.default_sclk = rdev->clock.default_sclk;
        rdev->pm.default_mclk = rdev->clock.default_mclk;
        rdev->pm.current_sclk = rdev->clock.default_sclk;