On Wed, Jan 27, 2021 at 05:24:40PM +0200, Iskren Chernev wrote: > Before the offending commit in msm_atomic_commit_tail wait_flush was > called once per frame, after the commit was submitted. After it > wait_flush is also called at the beginning to ensure previous > potentially async commits are done. > > For cmd panels the source of wait_flush is a ping-pong irq notifying > a completion. The completion needs to be notified with complete_all so > multiple waiting parties (new async committers) can proceed. > > Signed-off-by: Iskren Chernev <iskren.chernev@xxxxxxxxx> > Suggested-by: Rob Clark <robdclark@xxxxxxxxx> > Fixes: 2d99ced787e3d ("drm/msm: async commit support") Nice job tracking down this fix! Reviewed-by: Brian Masney <masneyb@xxxxxxxxxxxxx> Tested-by: Brian Masney <masneyb@xxxxxxxxxxxxx> _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel