amdgpu_dm_is_headless
if ((dm->active_vblank_irq_count == 0) && amdgpu_dm_is_headless(dm->adev))
bool amdgpu_dm_is_headless(struct amdgpu_device *adev);
if (!amdgpu_dm_is_headless(idle_work->dm->adev) &&
if (enable && !adev->dm.idle_workqueue->running && amdgpu_dm_is_headless(adev))