DPTX_HPD_STATE 413 drivers/gpu/drm/rockchip/cdn-dp-reg.c ret = cdn_dp_mailbox_send(dp, MB_MODULE_ID_DP_TX, DPTX_HPD_STATE, DPTX_HPD_STATE 419 drivers/gpu/drm/rockchip/cdn-dp-reg.c DPTX_HPD_STATE, sizeof(status));