Is drmWaitVBlank() or drmModePageFlip necessary after drmModeSetPlane()

2017-01-04 Thread Daniel Vetter
On Tue, Jan 03, 2017 at 12:27:10PM +0800, Randy Li wrote: > Hello all, > Recently, I meet a performance problem with drmModeSetPlane(), it works > quite slow with drm_atomic_commit(), I have to force it use > drm_atomic_async_commit() for drmModeSetPlane() which modifies the drm base > system. I

Is drmWaitVBlank() or drmModePageFlip necessary after drmModeSetPlane()

2017-01-03 Thread Randy Li
Hello all, Recently, I meet a performance problem with drmModeSetPlane(), it works quite slow with drm_atomic_commit(), I have to force it use drm_atomic_async_commit() for drmModeSetPlane() which modifies the drm base system. I want to optimize the performance in standard way, so I think I