From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: David Heidelberg <david@ixit.cz>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
"marijn.suijten@somainline.org" <marijn.suijten@somainline.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sdm845-tama: Keep labibb on, so kernel can disable it
Date: Mon, 29 Dec 2025 16:43:16 +0100 [thread overview]
Message-ID: <98e90787-885e-4e9f-a854-4a756e33ec9f@oss.qualcomm.com> (raw)
In-Reply-To: <e3590c98-785f-4774-bb57-04c65cf12d21@ixit.cz>
On 12/15/25 8:07 PM, David Heidelberg wrote:
> On 02/12/2025 13:55, Konrad Dybcio wrote:
>> On 12/2/25 12:31 PM, David Heidelberg via B4 Relay wrote:
>>> From: David Heidelberg <david@ixit.cz>
>>>
>>> In case if they were enabled by the bootloader as part of some
>>> reference/common routine and left hanging. Linux will switch them off if
>>> they're never used.
>>>
>>> Discussion about it can be found here:
>>> https://lore.kernel.org/all/20251130-oneplus-labibb-v1-1-bb3653e43120@ixit.cz/
>>>
>>> Fixes: 5dcc6587fde2 ("arm64: dts: qcom: sdm845-tama: Add display nodes")
>>> Suggested-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
>>> Signed-off-by: David Heidelberg <david@ixit.cz>
>>> ---
>>
>> Perhaps "keeping it on" is a little bit unfortunate in that the wording
>> collides with keeping the regulator's output enabled, but anyway
>>
>> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
>
> So, friend fixed tama-akatsuki against -next tree and having labibb nodes there crashes the kernel, so it seems disabling labibb had some reason.
>
> So, please do not merge until figured out!
+Marijn could you take a look?
Konrad
next prev parent reply other threads:[~2025-12-29 15:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-02 11:31 David Heidelberg via B4 Relay
2025-12-02 12:55 ` Konrad Dybcio
2025-12-02 13:48 ` David Heidelberg
2025-12-15 19:07 ` David Heidelberg
2025-12-29 15:43 ` Konrad Dybcio [this message]
2026-01-05 16:42 ` Bjorn Andersson
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