Your message dated Sun, 08 May 2022 17:34:14 +0000
with message-id <[email protected]>
and subject line Bug#996937: fixed in raspi-firmware 1.20220331+ds-2
has caused the Debian Bug report #996937,
regarding raspi-firmware: possibly disable cma= setting on Pi CM4 as well
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
996937: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=996937
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: raspi-firmware
Version: 1.20210303+ds-2
Severity: normal

Hi,

Looking at #980536, and if I'm reading between the lines correctly, the
whole Pi 4 family should have no cma= setting, and we should be skipping
it on the Compute Module 4 the same way we do on the Pi 4.

The current check happens with:

    grep -q 'Raspberry Pi 4' /proc/device-tree/model

If my understanding is correct, we should be additionally checking:

    grep -q 'Raspberry Pi Compute Module 4' /proc/device-tree/model

This would avoid re-adding cma=$CMA (with CMA defaulting to 64M) on the
CM4, which the image-specs build disabled initially, when producing the
image with `make raspi_4_bullseye.img`.


If the setting is confirmed to be extraneous, and is gotten rid of,
it would reduce the differences between before/after first boot's
cmdline.txt (see also [1]).

 1. https://salsa.debian.org/raspi-team/image-specs/-/issues/57


I'm happy to propose a tested patch once I have a confirmation regarding
the “should we do it” part. :)


Cheers,
-- 
Cyril Brulebois -- Debian Consultant @ DEBAMAX -- https://debamax.com/

--- End Message ---
--- Begin Message ---
Source: raspi-firmware
Source-Version: 1.20220331+ds-2
Done: Cyril Brulebois <[email protected]>

We believe that the bug you reported is fixed in the latest version of
raspi-firmware, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Cyril Brulebois <[email protected]> (supplier of updated raspi-firmware package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])


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Hash: SHA512

Format: 1.8
Date: Sun, 08 May 2022 19:14:25 +0200
Source: raspi-firmware
Architecture: source
Version: 1.20220331+ds-2
Distribution: unstable
Urgency: medium
Maintainer: pkg-raspi <[email protected]>
Changed-By: Cyril Brulebois <[email protected]>
Closes: 996937
Changes:
 raspi-firmware (1.20220331+ds-2) unstable; urgency=medium
 .
   * Factorize Pi 4 detection, used for GPU_FREQ and CMA settings. Also
     discard confusing error messages when neither /sys/firmware/devicetree
     nor /proc/device-tree exist, which is the case when building images
     (e.g. with image-specs).
   * Add support for Compute Module 4 devices: they are in the Pi 4 family
     as well, just like the Pi 4 B and Pi 400 models, need the same tweaks
     for the CMA setting, and might require adjusting GPU_FREQ to ensure
     the serial console is usable (Closes: #996937).
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