On 24 May 2016 at 09:27, Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx> wrote: > As per the docs, atomic_commit should return -EBUSY "if an asycnhronous > updated is requested and there is an earlier updated pending". > > v2: Use the status of the workqueue instead of vop->event, and don't add > a superfluous wait on the workqueue. > > v3: Drop work_busy, as there's a sizeable delay when the worker > finishes, which introduces a race in which the client has already > received the last flip event but the next page flip ioctl will still > return -EBUSY because work_busy returns outdated information. > > v4: Hold dev->event_lock while checking the VOP's event field as > suggested by Daniel Stone. > > v5: Only block if there's outstanding work if it's a blocking call. > > Signed-off-by: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx> Reviewed-by: Daniel Stone <daniels@xxxxxxxxxxxxx> Cheers, Daniel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
