From: Luca Weiss <luca@z3ntu.xyz>
To: Rob Clark <robdclark@gmail.com>, ~postmarketos/upstreaming@lists.sr.ht
Cc: ~postmarketos/upstreaming@lists.sr.ht,
Iskren Chernev <iskren.chernev@gmail.com>,
Sean Paul <sean@poorly.run>, David Airlie <airlied@linux.ie>,
Daniel Vetter <daniel@ffwll.ch>,
Thomas Zimmermann <tzimmermann@suse.de>,
Maxime Ripard <maxime@cerno.tech>,
Abhinav Kumar <abhinavk@codeaurora.org>,
Emil Velikov <emil.velikov@collabora.com>,
Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
Lee Jones <lee.jones@linaro.org>,
Brian Masney <masneyb@onstation.org>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Iskren Chernev <iskren.chernev@gmail.com>
Subject: Re: [PATCH] drm/msm/mdp5: Fix wait-for-commit for cmd panels
Date: Mon, 01 Feb 2021 00:06:01 +0100 [thread overview]
Message-ID: <2117852.HdQyuLfLX8@g550jk> (raw)
In-Reply-To: <20210127152442.533468-1-iskren.chernev@gmail.com>
Hi Iskren,
On Mittwoch, 27. Jänner 2021 16:24:40 CET 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")
> ---
I've tested this now on fairphone-fp2 and lge-nexus5-hammerhead, works great!
Tested-by: Luca Weiss <luca@z3ntu.xyz>
Regards
Luca
next prev parent reply other threads:[~2021-01-31 23:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-27 15:24 [PATCH] drm/msm/mdp5: Fix wait-for-commit for cmd panels Iskren Chernev
2021-01-31 22:53 ` Brian Masney
2021-01-31 23:06 ` Luca Weiss [this message]
2021-02-01 5:57 ` Alexey Minnekhanov
2021-03-01 19:59 ` patchwork-bot+linux-arm-msm
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2117852.HdQyuLfLX8@g550jk \
--to=luca@z3ntu.xyz \
--cc=abhinavk@codeaurora.org \
--cc=airlied@linux.ie \
--cc=christophe.jaillet@wanadoo.fr \
--cc=daniel@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
--cc=emil.velikov@collabora.com \
--cc=freedreno@lists.freedesktop.org \
--cc=iskren.chernev@gmail.com \
--cc=lee.jones@linaro.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=masneyb@onstation.org \
--cc=maxime@cerno.tech \
--cc=robdclark@gmail.com \
--cc=sean@poorly.run \
--cc=tzimmermann@suse.de \
--cc=~postmarketos/upstreaming@lists.sr.ht \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox