From: "Ondřej Jirman" <megous@megous.com>
To: Yong Deng <yong.deng@magewell.com>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>,
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: [linux-sunxi] [PATCH v12 0/2] Initial Allwinner V3s CSI Support
Date: Wed, 26 Dec 2018 11:29:36 +0100 [thread overview]
Message-ID: <20181226102936.2xxu7lii4kcg7656@core.my.home> (raw)
In-Reply-To: <1540886988-27696-1-git-send-email-yong.deng@magewell.com>
Hello,
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.
I've tested your patches on A83T and CSI works on that SoC too. I'll send
DTS patches later.
One thing I noticed is that, when you cat the regmap registers file in debugfs
while streaming, the kernel locks up hard. I was not able to extract any logs.
regards,
Ondrej
next prev parent reply other threads:[~2018-12-26 10:29 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
2018-11-14 10:54 ` Sakari Ailus
2018-12-26 10:29 ` Ondřej Jirman [this message]
2018-12-26 10:38 ` [linux-sunxi] " Yong
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