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Bug#1142672: linux: enable CONFIG_REGULATOR_QCOM_REFGEN on arm64

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  Bug#1142672: linux: enable CONFIG_REGULATOR_QCOM_REFGEN on arm64 Christopher Obbard <obbardc@debian.org> - 2026-07-24 07:10 +0200
    Bug#1142672: linux: enable CONFIG_REGULATOR_QCOM_REFGEN on arm64 Christopher Obbard <obbardc@debian.org> - 2026-07-24 07:20 +0200
    Bug#1142672: marked as done (linux: enable CONFIG_REGULATOR_QCOM_REFGEN  on arm64) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-07-28 07:40 +0200

#93443 — Bug#1142672: linux: enable CONFIG_REGULATOR_QCOM_REFGEN on arm64

Source: linux
Version: 7.1.4-1
Severity: normal
X-Debbugs-Cc: debian-arm@lists.debian.org, obbardc@debian.org, chris.obbard@oss.qualcomm.com
User: debian-arm@lists.debian.org
Usertags: arm64

Dear Maintainer,

Please enable CONFIG_REGULATOR_QCOM_REFGEN=m on arm64.

This driver provides the reference generation regulator used by Qualcomm
platforms. It is required for hardware using the Qualcomm REFGEN regulator
driver to function with the Debian arm64 kernel.

The proposed configuration change is:

```
CONFIG_REGULATOR_QCOM_REFGEN=m
```

This is needed to enable the DSI output on (at least) RB3gen2, which is
connected to a DSI-to-HDMI bridge. Enabling this driver enables the HDMI
output on the RB3gen2 device.

I have tested this on the Qualcomm RB3gen2, where it is required for the
HDMI output.

I can provide a Salsa merge request containing the configuration change if
helpful.

Please enable this on all supported branches, including trixie-backports
and above.

-- System Information:
Debian Release: forky/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: arm64

Kernel: Linux 7.1.3+deb14-amd64 (SMP w/16 CPU threads; PREEMPT)
Kernel taint flags: TAINT_WARN
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

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#93445

Hi,

> I can provide a Salsa merge request containing the configuration change if
> helpful.

I created a PR at
https://salsa.debian.org/kernel-team/linux/-/merge_requests/2026

Thanks!

Chris

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#93484 — Bug#1142672: marked as done (linux: enable CONFIG_REGULATOR_QCOM_REFGEN on arm64)

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Your message dated Tue, 28 Jul 2026 05:34:52 +0000
with message-id <E1woaSq-0000000DjZN-0UpR@fasolo.debian.org>
and subject line Bug#1142672: fixed in linux 7.2~rc5-1~exp1
has caused the Debian Bug report #1142672,
regarding linux: enable CONFIG_REGULATOR_QCOM_REFGEN on arm64
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 owner@bugs.debian.org
immediately.)


-- 
1142672: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1142672
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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