Re: [PATCH 6/8] drm/vc4: kms: Wait on previous FIFO users before a commit

2020-12-02 Thread Maxime Ripard
Hi Thomas, On Fri, Nov 20, 2020 at 02:19:45PM +0100, Thomas Zimmermann wrote: > Am 13.11.20 um 16:29 schrieb Maxime Ripard: > > If we're having two subsequent, non-blocking, commits on two different > > CRTCs that share no resources, there's no guarantee on the order of > > execution of both

Re: [PATCH 6/8] drm/vc4: kms: Wait on previous FIFO users before a commit

2020-11-20 Thread Thomas Zimmermann
Hi Am 13.11.20 um 16:29 schrieb Maxime Ripard: If we're having two subsequent, non-blocking, commits on two different CRTCs that share no resources, there's no guarantee on the order of execution of both commits. Can there only ever be two commits that flip order? However, the second one

[PATCH 6/8] drm/vc4: kms: Wait on previous FIFO users before a commit

2020-11-15 Thread Maxime Ripard
If we're having two subsequent, non-blocking, commits on two different CRTCs that share no resources, there's no guarantee on the order of execution of both commits. However, the second one will consider the first one as the old state, and will be in charge of freeing it once that second commit