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Bug#1056933: [Pkg-raspi-maintainers] Bug#1056933: raspi-firmware: CMA=0 not working as intended

From Thorsten Glaser <tg@debian.org>
Newsgroups linux.debian.bugs.dist
Subject Bug#1056933: [Pkg-raspi-maintainers] Bug#1056933: raspi-firmware: CMA=0 not working as intended
Date 2023-11-27 01:30 +0100
Message-ID <HExFD-8Gtr-1@gated-at.bofh.it> (permalink)
References <HEwzT-8Fld-1@gated-at.bofh.it> <HEx2V-8FIQ-1@gated-at.bofh.it> <HEwzT-8Fld-1@gated-at.bofh.it> <HEx2V-8FIQ-1@gated-at.bofh.it>
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Cyril Brulebois dixit:

>Thorsten Glaser <tg@debian.org> (2023-11-26):
>> Package: raspi-firmware
>> Version: 1.20230405+ds-2
>>
>> When I set CMA=0 the cma=… argument in cmdline.txt is omitted.
>
>This is consistent with the documentation in that file.

It’s not. The file documents:

# To disable CMA allocation entirely, f.e. for a headless setup, set
# CMA=0

But CMA=0 in the file leads to no cma=0 on the kernel command line,
which makes the kernel use the default CMA allocation of 64 MiB.

>Sounds like you want CMA=0M then?

Perhaps, I just threw it here for now:

$ cat /etc/default/raspi-extra-cmdline
TZ=:Europe/Berlin nofb nomodeset cma=0

Meow,
//mirabilos
-- 
15:39⎜«mika:#grml» mira|AO: "mit XFree86® wär’ das nicht passiert" - muhaha
15:48⎜<thkoehler:#grml> also warum machen die xorg Jungs eigentlich alles
kaputt? :)    15:49⎜<novoid:#grml> thkoehler: weil sie als Kinder nie den
gebauten Turm selber umschmeissen durften?	-- ~/.Xmodmap wonders…

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Thread

Bug#1056933: raspi-firmware: CMA=0 not working as intended Thorsten Glaser <tg@debian.org> - 2023-11-27 00:20 +0100
  Bug#1056933: [Pkg-raspi-maintainers] Bug#1056933: raspi-firmware: CMA=0 not working as intended Cyril Brulebois <cyril@debamax.com> - 2023-11-27 00:50 +0100
    Bug#1056933: [Pkg-raspi-maintainers] Bug#1056933: raspi-firmware: CMA=0 not working as intended Thorsten Glaser <tg@debian.org> - 2023-11-27 01:30 +0100
      Bug#1056933: [Pkg-raspi-maintainers] Bug#1056933: raspi-firmware: CMA=0 not working as intended Cyril Brulebois <cyril@debamax.com> - 2023-11-27 02:00 +0100
        Bug#1056933: [Pkg-raspi-maintainers] Bug#1056933: raspi-firmware: CMA=0 not working as intended Thorsten Glaser <tg@debian.org> - 2023-11-27 02:40 +0100

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