From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Anholt <eric@anholt.net>
Subject: Re: [RFC 0/2] drm/vc4: Async page flip cleanup
Date: Mon, 09 Apr 2018 17:13:47 -0700
Message-ID: <87r2nnapfo.fsf@anholt.net>
References: <20180330150904.30458-1-boris.brezillon@bootlin.com>
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To: David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, dri-devel@lists.freedesktop.org, Gustavo Padovan <gustavo.padovan@collabora.com>
Cc: Boris Brezillon <boris.brezillon@bootlin.com>
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Boris Brezillon <boris.brezillon@bootlin.com> writes:

> Hello,
>
> This is an attempt at simplifying the async page flip handling in VC4
> in order to get rid of vc4_queue_seqno_cb() and its dependencies and
> rely on fences instead.
>
> The reason I'm sending this as an RFC is because I'm pretty sure we can
> put some of the code added in patch 1 in drm_atomic_helper.c. Also, I'd
> like to have feedback from Padovan, Daniel and maybe others who have
> already thought about handling async page flips generically.
> And the last reason is that it's not been extensively tested, so it may
> not work correctly :-).

I'm certainly eager to see our custom async code die.  Any KMS core
folks want to comment on this proposal?

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