linux-kernel - Re: [PATCH v10 4/8] drm/ingenic: Add dw-hdmi driver for jz4780

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Date:   Wed, 1 Dec 2021 14:18:02 +0100
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     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>,
        Neil Armstrong <narmstrong@...libre.com>,
        Robert Foss <robert.foss@...aro.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Harry Wentland <harry.wentland@....com>,
        Sam Ravnborg <sam@...nborg.org>,
        Maxime Ripard <maxime@...no.tech>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Paul Boddie <paul@...die.org.uk>, devicetree@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        letux-kernel@...nphoenux.org, Jonas Karlman <jonas@...boo.se>,
        dri-devel@...ts.freedesktop.org,
        Ezequiel Garcia <ezequiel@...labora.com>
Subject: Re: [PATCH v10 4/8] drm/ingenic: Add dw-hdmi driver for jz4780

Hi Paul,


> Am 01.12.2021 um 14:02 schrieb Paul Cercueil <paul@...pouillou.net>:
> 
> Hi Nikolaus,
> 
> Le mar., nov. 30 2021 at 22:26:37 +0100, H. Nikolaus Schaller <hns@...delico.com> a écrit :
>> From: Paul Boddie <paul@...die.org.uk>
>> A specialisation of the generic Synopsys HDMI driver is employed for
>> JZ4780 HDMI support. This requires a new driver, plus device tree and
>> configuration modifications.
>> Here we add Kconfig DRM_INGENIC_DW_HDMI, Makefile and driver code.
>> Signed-off-by: Paul Boddie <paul@...die.org.uk>
>> Signed-off-by: Ezequiel Garcia <ezequiel@...labora.com>
>> Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
>> ---
>> drivers/gpu/drm/ingenic/Kconfig           |   9 ++
>> drivers/gpu/drm/ingenic/Makefile          |   1 +
>> drivers/gpu/drm/ingenic/ingenic-dw-hdmi.c | 138 ++++++++++++++++++++++
>> 3 files changed, 148 insertions(+)
>> create mode 100644 drivers/gpu/drm/ingenic/ingenic-dw-hdmi.c
>> diff --git a/drivers/gpu/drm/ingenic/Kconfig b/drivers/gpu/drm/ingenic/Kconfig
>> index 3b57f8be007c4..4efc709d77b0a 100644
>> --- a/drivers/gpu/drm/ingenic/Kconfig
>> +++ b/drivers/gpu/drm/ingenic/Kconfig
>> 


>> +	}
>> +
>> +	if (!regulator)
>> +		return 0;
> 
> Blank line here.

It is one of these cases where checkpatch doesn't complain although it should be improved...

> 
> But I can add it myself when applying.

Yes, please. So that we are not wasting mailing list bandwidth...

> I'll just wait for Rob's ack first.

Indeed. Fortunately he had the right hint how to fix 3/8 quickly.

BR and thanks,
NIkolaus