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From: Yong <yong.deng@magewell.com>
To: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>, Chen-Yu Tsai <wens@csie.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"David S. Miller" <davem@davemloft.net>,
	Andrew Morton <akpm@linux-foundation.org>,
	Arnd Bergmann <arnd@arndb.de>,
	Hans Verkuil <hans.verkuil@cisco.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Neil Armstrong <narmstrong@baylibre.com>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Jacopo Mondi <jacopo+renesas@jmondi.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Todor Tomov <todor.tomov@linaro.org>,
	linux-media@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com,
	Sakari Ailus <sakari.ailus@linux.intel.com>
Subject: Re: [PATCH v12 0/2] Initial Allwinner V3s CSI Support
Date: Wed, 14 Nov 2018 16:40:05 +0800	[thread overview]
Message-ID: <20181114164005.76477b7401345e346def53d7@magewell.com> (raw)
In-Reply-To: <20181113133518.6nnh4m37s6awfw6d@flea>

Hi Maxime,

On Tue, 13 Nov 2018 14:35:18 +0100
Maxime Ripard <maxime.ripard@bootlin.com> wrote:

> Hi Yong,
> 
> On Tue, Oct 30, 2018 at 04:09:48PM +0800, Yong Deng wrote:
> > I can't make v4l2-compliance always happy.
> > The V3s CSI support many pixformats. But they are not always available.
> > It's dependent on the input bus format (MEDIA_BUS_FMT_*). 
> > Example:
> > V4L2_PIX_FMT_SBGGR8: MEDIA_BUS_FMT_SBGGR8_1X8
> > V4L2_PIX_FMT_YUYV: MEDIA_BUS_FMT_YUYV8_2X8
> > But I can't get the subdev's format code before starting stream as the
> > subdev may change it. So I can't know which pixformats are available.
> > So I exports all the pixformats supported by SoC.
> > The result is the app (v4l2-compliance) is likely to fail on streamon.
> > 
> > This patchset add initial support for Allwinner V3s CSI.
> > 
> > Allwinner V3s SoC features a CSI module with parallel interface.
> > 
> > This patchset implement a v4l2 framework driver and add a binding 
> > documentation for it. 
> 
> I've tested this version today, and I needed this patch to make it
> work on top of v4.20:
> http://code.bulix.org/9o8fw5-503690?raw
> 
> Once that patch applied, my tests were working as expected.
> 
> If that make sense, could you resubmit a new version with these merged
> so that we can try to target 4.21?

OK. I will check it.

Thanks,
Yong

  reply	other threads:[~2018-11-14  8:41 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-30  8:09 [PATCH v12 0/2] Initial Allwinner V3s CSI Support Yong Deng
2018-11-13 13:35 ` Maxime Ripard
2018-11-14  8:40   ` Yong [this message]
2018-11-14 10:54 ` Sakari Ailus
2018-12-26 10:29 ` [linux-sunxi] " Ondřej Jirman
2018-12-26 10:38   ` Yong

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