On Thu, Mar 5, 2015 at 2:33 AM, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: > On Wed, Mar 04, 2015 at 06:26:23PM -0800, Haixia Shi wrote: >> This also limits the maximum frequency of page flips by the vrefresh rate. >> >> Signed-off-by: Haixia Shi <hshi@xxxxxxxxxxxx> >> Reviewed-by: Stéphane Marchesin <marcheu@xxxxxxxxxxxx> >> Tested-by: Haixia Shi <hshi@xxxxxxxxxxxx> > > I think the better approach would have been to push the task down to > udl_handle_damage(). Almost all of the callers would prefer deferred > updates (with the notable exception of modesetting). > -Chris I'm not sure this is correct. While there's reasonable expectation for page flips to be asynchronous (when flip completes it would send the vblank event), my understanding is that fb_fillrect, fb_copyarea and fb_imageblit are synchronous. > > -- > Chris Wilson, Intel Open Source Technology Centre _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
