irq callback will before cmdq flush ddp register into hardware, that will cause the display frame page flip event before it realy display out time Yongqiang Niu (1): CHROMIUM: drm/mediatek: move page flip handle into cmdq cb drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 33 +++++++++++++++++++++++++++++---- 1 file changed, 29 insertions(+), 4 deletions(-) -- 1.8.1.1.dirty _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel