Revert "drm/amd/display: Remove call to amdgpu_pm_compute_clocks"
This reverts commit 
dcd473770e86517543691bdb227103d6c781cd0a.
when display configuration changes, dc need to update the changes
to powerplay, also need to trigger a power state task.
amdgpu_pm_compute_clocks is the interface to set power state task
either dpm enabled or powerplay enabled
Acked-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>
 
                        adev->powerplay.pp_funcs->display_configuration_change(
                                adev->powerplay.pp_handle,
                                &adev->pm.pm_display_cfg);
+
+               amdgpu_pm_compute_clocks(adev);
        }
 
        return true;