Your message dated Wed, 10 Feb 2021 08:54:50 +0900 (JST)
with message-id <20210210.085450.585536173526168658.ryuta...@ict.e.titech.ac.jp>
and subject line Re: 5.10 kernel needs disable_fw_kms_setup=1
has caused the Debian Bug report #977642,
regarding 5.10 kernel needs disable_fw_kms_setup=1
to be marked as done.
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977642: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=977642
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--- Begin Message ---
Package: raspi-firmware
Version: 1.20201022-1
Severity: normal
X-Debbugs-CC: lu...@debian.org
Dear Debian raspi-firmware maintainers,
Linux 5.10 kernel's vc4.ko starts partial support of RPi 2/3/4 VideoCore 4 GPU,
and it enables 4K HDMI output, which is very welcome.
But in some situation, screen output is garbled as reported at
http://lists.infradead.org/pipermail/linux-rpi-kernel/2020-November/007894.html
The above symptom can be fixed by adding disable_fw_kms_setup=1 as
reported at
http://lists.infradead.org/pipermail/linux-rpi-kernel/2020-November/007900.html
I do not think this is a bug in raspi-firmware, but config.txt is handled by
raspi-firmware, please consider to add disable_fw_kms_setup=1.
Best regards, Ryutaroh Matsumoto
--- End Message ---
--- Begin Message ---
The underlying kernel bug was fixed by Debian kernel 5.10.13.
The workaround disable_fw_kms_setup=1 becomes unnecessary.
Ryutaroh
--- End Message ---
