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Message-Id: <8F63582D-08E9-4B9D-B2E2-B862830C57D1@goldelico.com>
Date: Thu, 5 Aug 2021 16:45:01 +0200
From: "H. Nikolaus Schaller" <hns@...delico.com>
To: Robert Foss <robert.foss@...aro.org>
Cc: Paul Cercueil <paul@...pouillou.net>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Kees Cook <keescook@...omium.org>,
"Eric W. Biederman" <ebiederm@...ssion.com>,
Miquel Raynal <miquel.raynal@...tlin.com>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Andrzej Hajda <a.hajda@...sung.com>,
Neil Armstrong <narmstrong@...libre.com>,
Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Ezequiel Garcia <ezequiel@...labora.com>,
Harry Wentland <harry.wentland@....com>,
Sam Ravnborg <sam@...nborg.org>,
Maxime Ripard <maxime@...no.tech>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>, linux-mips@...r.kernel.org,
linux-kernel <linux-kernel@...r.kernel.org>,
letux-kernel@...nphoenux.org, Paul Boddie <paul@...die.org.uk>,
Jonas Karlman <jonas@...boo.se>,
dri-devel <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH v2 1/8] drm/bridge: synopsis: Add mode_fixup and bridge
timings support
Hi Robert,
> Am 05.08.2021 um 16:32 schrieb Robert Foss <robert.foss@...aro.org>:
>
> Hey Nikolaus,
>
> Thanks for submitting this series.
>
> On Thu, 5 Aug 2021 at 16:08, H. Nikolaus Schaller <hns@...delico.com> wrote:
>>
>> From: Paul Boddie <paul@...die.org.uk>
>>
>> + .mode_fixup = dw_hdmi_bridge_mode_fixup,
>
> mode_fixup() has been deprecated[1] in favor of atomic_check(), care
> has to be taken when switching to atomic_check() as it has access to
> the full atomic commit.
>
> Looking at this driver, it's using mode_set as well, which should be fixed.
>
> [1] https://lore.kernel.org/dri-devel/20210722062246.2512666-8-sam@ravnborg.org/
Thanks for this link!
I have found some patches which convert mode_fixup -> atomic_check (e.g. 3afb2a28fa2404)
and atomic_check was apparently introduced by b86d895524ab72
That should be sufficient information that we can modify it.
BR and thanks,
Nikolaus
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