On Wednesday 02 April 2014 06:41 PM, Rob Clark wrote: > On Wed, Apr 2, 2014 at 5:52 AM, Archit Taneja <archit at ti.com> wrote: >> Hi, >> >> I was trying to figure out how we are supposed to manage synchronization >> between a mode_set and a page_flip called on a crtc. >> >> Say, if a mode_set is immediately followed by a page_flip. The driver can't >> process the page_flip straight away since the hardware is still completing >> the mode_set. > > I guess setcrtc is expected to be synchronous(ish).. so a lot of > userspace won't expect the first pageflip to fail with -EBUSY.
Okay, thanks. I guess having setcrtc synchronous isn't that bad. Archit
