Messages in this thread | | | Date | Sun, 31 Jan 2021 17:53:30 -0500 | From | Brian Masney <> | Subject | Re: [PATCH] drm/msm/mdp5: Fix wait-for-commit for cmd panels |
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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@gmail.com> > Suggested-by: Rob Clark <robdclark@gmail.com> > Fixes: 2d99ced787e3d ("drm/msm: async commit support")
Nice job tracking down this fix!
Reviewed-by: Brian Masney <masneyb@onstation.org> Tested-by: Brian Masney <masneyb@onstation.org>
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