drm/radeon/dpm: track whether we are on AC or battery
Driver needs this information to validate power states.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index a97af88..79e35d6 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -1215,6 +1215,7 @@
mutex_lock(&rdev->pm.mutex);
+ /* update active crtc counts */
rdev->pm.dpm.new_active_crtcs = 0;
rdev->pm.dpm.new_active_crtc_count = 0;
list_for_each_entry(crtc,
@@ -1226,6 +1227,12 @@
}
}
+ /* update battery/ac status */
+ if (power_supply_is_system_supplied() > 0)
+ rdev->pm.dpm.ac_power = true;
+ else
+ rdev->pm.dpm.ac_power = false;
+
radeon_dpm_change_power_state_locked(rdev);
mutex_unlock(&rdev->pm.mutex);