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Date:      Mon, 8 Mar 2021 12:59:55 -0800
From:      Mark Millard <marklmi@yahoo.com>
To:        bob prohaska <fbsd@www.zefox.net>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: RPi4 Status and xorg behavior
Message-ID:  <7061B16B-C8D6-4394-BA04-2AC8CA6DE72F@yahoo.com>
In-Reply-To: <C372DA5D-A99B-412D-83FD-F4AA5DB20F37@yahoo.com>
References:  <BDF8C846-1CB3-421E-A8D5-25E0075C7106.ref@yahoo.com> <BDF8C846-1CB3-421E-A8D5-25E0075C7106@yahoo.com> <20210307021628.GA99890@www.zefox.net> <AAA4E495-4E9E-4C55-A07E-74D9737EC15B@yahoo.com> <20210307155515.GA4591@www.zefox.net> <67BF2EAC-04AD-4822-99B2-48A99563331F@yahoo.com> <G5ZAfvg49jl5dj40HAnjmwoEKpVSuGp8KmiBrSY_EBLXou6UGBIjU3tVxUuPGKeCvXEovg2d3tqhIGOmQCyb7c3wKsUHJ8xrSasvwXfbqwk=@protonmail.com> <4B963C56-D7E9-42FE-8B8B-B8A425ACE78F@yahoo.com> <20210308011035.GA6603@www.zefox.net> <DB3CD5BA-337E-476F-9F0C-C70401F7D800@yahoo.com> <C372DA5D-A99B-412D-83FD-F4AA5DB20F37@yahoo.com>

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On 2021-Mar-8, at 12:53, Mark Millard <marklmi at yahoo.com> wrote:

> On 2021-Mar-8, at 00:14, Mark Millard <marklmi at yahoo.com> wrote:
>=20
> On 2021-Mar-7, at 17:10, bob prohaska <fbsd at www.zefox.net> wrote:
>=20
>=20
>>> In the interests of exploration, I tinkered a bit more with
>>> my Pi4 running the latest -current snapshot. Here are a few
>>> observations:
>>=20
>> You may want to be explicit about the build version
>> involved (last commit involved on what branch).
>>=20
>> My notes below are from a non-debugt build based on
>> main bad9fa56620e (CommitDate: 2021-03-06 21:46:28
>> +0000). Used on a RPi4B 8GiByte.
>>=20
>>> Screen resolution seems to be about 30 lines by 90 columns,
>>> on a commonplace Dell 1920 by 1080 HDMI display. Mouse and
>>> keyboard work correctly.
>>=20
>> My boot sequence for the RPi4B 8 GiByte shows (when I have
>> the HDMI display attached, which I usually do not):
>>=20
>> EFI framebuffer information:
>> addr, size     0x3e2fe000, 0x7e9000
>> dimensions     1920 x 1080
>> stride         1920
>> masks          0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000
>> . . .
>> fb0: <BCM2835 VT framebuffer driver> on simplebus0
>> fb0: keeping existing fb bpp of 32
>> fbd0 on fb0
>> WARNING: Device "fb" is Giant locked and may be deleted before =
FreeBSD 14.0.
>> VT: Replacing driver "efifb" with new "fb".
>> fb0: 1920x1080(1920x1080@0,0) 32bpp
>> fb0: fbswap: 1, pitch 7680, base 0x3e2fe000, screen_size 8355840
>> . . .
>>=20
>> I use:
>>=20
>> if [ -x /usr/bin/resizewin ] ; then /usr/bin/resizewin -z ; fi
>>=20
>> in various ~/.profile files and after logging-in doing a
>> "stty -a" shows as its first line:
>>=20
>> speed 9600 baud; 67 rows; 240 columns;
>>=20
>> Thus figures seem accurate.
>>=20
>> I doubt that it matters but /boot/loader.conf does have:
>>=20
>> boot_multicons=3D"YES"
>> boot_serial=3D"YES"
>>=20
>=20
> I tried booting 13.0-RC1 with the updated RPi4 firmware
> substituted and in that context I do see the large font
> on the display from that combination.
>=20
> My main context does not have the config.txt line:
>=20
> hdmi_safe=3D1
>=20
> and if I comment it out on 13.0-RC1:
>=20
> #hdmi_safe=3D1
>=20
> and then boot again I end up with the same as my
> main enviroment was showing instead of the huge
> font showing.

Correcting my ThreadRipper display size mistake . . .

>> FYI:
>> On the ThreadRipper I do control things explicitly
>> via /boot/loader.conf having:
>>=20
>> screen.textmode=3D"0"
>> screen.font=3D"8x16"
>>=20
>> but the context is a 2560 x 1440 display and there

Really 1920 x 1200: I was thinking of the wrong
display.

>> is no serial console set up for this context. I've
>> not investigated such things on any other type of
>> context. "stty -a" ends up reporting:
>>=20
>> speed 9600 baud; 75 rows; 240 columns;

At 1920 x 1200 the 75 rows and 240 columns makes
more sense vs. 1920 x 1080.

>> (System built from same sources as the RPi4B's
>> system was, also non-debug style.)

=3D=3D=3D
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)




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