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Bug#1050587: linux: cpufreq-dt requires manually loading cpufreq-dt-platdev (6.5 regression)
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Aurelien Jarno
Aug 26, 2023, 1:30:05 PM8/26/23
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Source: linux
Version: 6.5~rc7-1~exp1
Severity: normal
Tags: upstream
Starting with kernel 6.5, the cpufreq-dt-platdev driver can be built as
module [1]. This is done through the CPUFREQ_DT_PLATDEV config, which is
selected by CPUFREQ_DT. However the cpufreq-dt-platdev is not
autoloaded.
On the configs enabling the CPUFREQ_DT module, that is armel/rpi, armhf
and arm64, this means that CPUFREQ_DT_PLATDEV is changed from built-in
in 6.4 to module in 6.5. In turns this means that cpufreq is not
supported anymore unless the cpufreq-dt-platdev is manually loaded.
Tested on a RK3568 based ODROID-M1 board.
We should probably force CPUFREQ_DT_PLATDEV=y on the configs where
CPUFREQ_DT=m.
[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.5-rc7&id=3b062a086984d35a3c6d3a1c7841d0aa73aa76af
Version: 6.5~rc7-1~exp1
Severity: normal
Tags: upstream
Starting with kernel 6.5, the cpufreq-dt-platdev driver can be built as
module [1]. This is done through the CPUFREQ_DT_PLATDEV config, which is
selected by CPUFREQ_DT. However the cpufreq-dt-platdev is not
autoloaded.
On the configs enabling the CPUFREQ_DT module, that is armel/rpi, armhf
and arm64, this means that CPUFREQ_DT_PLATDEV is changed from built-in
in 6.4 to module in 6.5. In turns this means that cpufreq is not
supported anymore unless the cpufreq-dt-platdev is manually loaded.
Tested on a RK3568 based ODROID-M1 board.
We should probably force CPUFREQ_DT_PLATDEV=y on the configs where
CPUFREQ_DT=m.
[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.5-rc7&id=3b062a086984d35a3c6d3a1c7841d0aa73aa76af
Lukas F. Hartmann
Aug 30, 2023, 10:10:04 AM8/30/23
to
I encountered the same issue on MNT Reform with Banana Pi CM4 module
(Amlogic A311D / meson g12b). The processor operates at lowest speed and
toolig can't display CPU freqs, until the cpufreq-dt-platdev module is
loaded manually.
(Amlogic A311D / meson g12b). The processor operates at lowest speed and
toolig can't display CPU freqs, until the cpufreq-dt-platdev module is
loaded manually.
Debian Bug Tracking System
Sep 3, 2023, 7:50:04 AM9/3/23
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Your message dated Sun, 03 Sep 2023 11:40:55 +0000
with message-id <E1qclTL-...@fasolo.debian.org>
and subject line Bug#1050587: fixed in linux 6.5.1-1~exp1
has caused the Debian Bug report #1050587,
regarding linux: cpufreq-dt requires manually loading cpufreq-dt-platdev (6.5 regression)
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.
(NB: If you are a system administrator and have no idea what this
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--
1050587: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1050587
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
with message-id <E1qclTL-...@fasolo.debian.org>
and subject line Bug#1050587: fixed in linux 6.5.1-1~exp1
has caused the Debian Bug report #1050587,
regarding linux: cpufreq-dt requires manually loading cpufreq-dt-platdev (6.5 regression)
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.
(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact ow...@bugs.debian.org
immediately.)
--
1050587: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1050587
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
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