Raspberry Pi 5 | "sdram_freq_min" set by default at 0 instead of 4267

[mann1x]

Describe the bug
In the config.txt documentation the default value for "sdram_freq_min" is 4267 while actually it's set to 0.

To reproduce
Query the value via vcgencmd

Expected behaviour

mannix@raspberrypi:~ $ vcgencmd get_config sdram_freq_min
sdram_freq_min=4267

Actual behaviour

mannix@raspberrypi:~ $ vcgencmd get_config sdram_freq_min
sdram_freq_min=0

System
Copy and paste the results of the raspinfo command in to this section. Alternatively, copy and paste a pastebin link, or add answers to the following questions:

• Which model of Raspberry Pi? e.g. Pi3B+, PiZeroW

Pi 5 Model B Rev 1.0

• Which OS and version (cat /etc/rpi-issue)?

Raspberry Pi reference 2023-12-05
Generated using pi-gen, https://github.com/RPi-Distro/pi-gen, 70cd6f2a1e34d07f5cba7047aea5b92457372e05, stage4

• Which firmware version (vcgencmd version)?

2024/01/05 15:57:40
Copyright (c) 2012 Broadcom
version 30cc5f37 (release) (embedded)

• Which kernel version (uname -a)?

Linux raspberrypi 6.1.0-rpi8-rpi-2712 #1 SMP PREEMPT Debian 1:6.1.73-1+rpt1 (2024-01-25) aarch64 GNU/Linux

Logs

Additional context

[Just2Confuse]

Same behavior.

me@Pi5:~ $ vcgencmd version
2024/01/22 14:44:36
Copyright (c) 2012 Broadcom
version e891ded6 (release) (embedded)
me@Pi5:~ $ vcgencmd get_config sdram_freq_min
sdram_freq_min=0
me@Pi5:~ $ uname -a
Linux Pi5 6.1.0-rpi8-rpi-2712 #1 SMP PREEMPT Debian 1:6.1.73-1+rpt1 (2024-01-25) aarch64 GNU/Linux
me@Pi5:~ $

[timg236]

Neither Pi5 nor Pi4 provide an option to change the SDRAM frequency so the option will return zero because it's in common code.