DP_TEST_SINK_START 1021 drivers/gpu/drm/drm_dp_helper.c 	WARN_ON(!(buf & DP_TEST_SINK_START));
DP_TEST_SINK_START 1203 drivers/gpu/drm/drm_dp_helper.c 	ret = drm_dp_dpcd_writeb(aux, DP_TEST_SINK, buf | DP_TEST_SINK_START);
DP_TEST_SINK_START 1230 drivers/gpu/drm/drm_dp_helper.c 	ret = drm_dp_dpcd_writeb(aux, DP_TEST_SINK, buf & ~DP_TEST_SINK_START);