drm/radeon/kms/pm: restore default power state on exit

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 87814eb8a1b4..23b79ebce6c1 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -125,6 +125,15 @@ int radeon_pm_init(struct radeon_device *rdev)
 
 void radeon_pm_fini(struct radeon_device *rdev)
 {
+        if (rdev->pm.state != PM_STATE_DISABLED) {
+                /* cancel work */
+                cancel_delayed_work_sync(&rdev->pm.idle_work);
+                /* reset default clocks */
+                rdev->pm.state = PM_STATE_DISABLED;
+                rdev->pm.planned_action = PM_ACTION_DEFAULT;
+                radeon_pm_set_clocks(rdev);
+        }
+
         if (rdev->pm.i2c_bus)
                 radeon_i2c_destroy(rdev->pm.i2c_bus);
 }