drm/amdgpu: Remove duplicated power source update

when ac/dc switch, driver will be notified by acpi event.
then the power source will be updated. so don't need to
get power source when set power state.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 0 insertions, 8 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index daa55fb06171..3e51e9c89f04 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -1933,14 +1933,6 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
                         amdgpu_fence_wait_empty(ring);
         }
 
-        mutex_lock(&adev->pm.mutex);
-        /* update battery/ac status */
-        if (power_supply_is_system_supplied() > 0)
-                adev->pm.ac_power = true;
-        else
-                adev->pm.ac_power = false;
-        mutex_unlock(&adev->pm.mutex);
-
         if (adev->powerplay.pp_funcs->dispatch_tasks) {
                 if (!amdgpu_device_has_dc_support(adev)) {
                         mutex_lock(&adev->pm.mutex);