These refinements include using standard mailbox callback interface, timeout detection, and a fixed cmdq_handle. Changes in v2: 1. Define mtk_drm_cmdq_pkt_create() and mtk_drm_cmdq_pkt_destroy() when CONFIG_MTK_CMDQ is reachable. Chun-Kuang Hu (4): drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb drm/mediatek: Remove struct cmdq_client drm/mediatek: Detect CMDQ execution timeout drm/mediatek: Add cmdq_handle in mtk_crtc drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 110 ++++++++++++++++++++---- 1 file changed, 91 insertions(+), 19 deletions(-) -- 2.25.1