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Date:      Mon, 20 Jul 2015 13:54:50 -0700
From:      Oleksandr Tymoshenko <gonzo@bluezbox.com>
To:        Ulrich Grey <usenet@ulrich-grey.de>
Cc:        "freebsd-arm@freebsd.org List" <freebsd-arm@freebsd.org>
Subject:   Re: WIP: IPU and HDMI drivers for i.MX6
Message-ID:  <4A7CE12B-C385-49AB-AA5D-0F292B14822E@bluezbox.com>
In-Reply-To: <20150720120701.a3737b616fc69303beefe71c@ulrich-grey.de>
References:  <5569347D-EA8B-46C9-97D3-6BF7CC1952B8@bluezbox.com> <20150720120701.a3737b616fc69303beefe71c@ulrich-grey.de>

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> On Jul 20, 2015, at 5:07 AM, Ulrich Grey <usenet@ulrich-grey.de> =
wrote:
>=20
> Hello,
>=20
> I am running
>=20
> FreeBSD wqtest 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r285652M: Sat Jul =
18
> 01:43:03 UTC 2015     gwgpi@wqtest-hf:/usr/obj/usr/src/sys/IMX6  arm =
armv6hf
>=20
> on a Wandboard-Quad. I have built the image with HDMI-patch using
> /usr/src/release/release.sh -c arm/Wandboard.conf
> on the Wandboard itself (a armv6hf system).
>=20
> To boot I had to copy ubldr from a armv6 image to the fat partition.
> I don't know whether this is important in this context. Images without =
HDMI-patch are
> booting successfully.
>=20
> During boot I got a grapical u-boot logo, then the screen jitters and =
is black.
> I have used an old EIZO Monitor and a Philips TV set. Both don't work.

It seems to be the same problem Mika=C3=ABl has: two IPUs active. Also =
it's not
clear why reading EDID fails, so I added some more debug output

New patch:
=
https://people.freebsd.org/~gonzo/arm/patches/imx6-ipu-hdmi-20150720.diff




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