Re: [PATCH 3/4] arm64: dts: qcom: sdm845: Add missing MDSS reset
From: Konrad Dybcio
Date: Wed Feb 18 2026 - 06:24:56 EST
On 2/18/26 12:18 PM, David Heidelberg wrote:
> On 18/02/2026 11:30, Konrad Dybcio wrote:
>> On 2/17/26 10:20 PM, Dmitry Baryshkov wrote:
>>> From: David Heidelberg <david@xxxxxxx>
>>>
>>> If the OS does not support recovering the state left by the
>>> bootloader it needs a way to reset display hardware, so that it can
>>> start from a clean state. Add a reference to the relevant reset.
>>
>> This is not the relevant reset
>>
>> You want MDSS_CORE_BCR @ 0xaf0_2000
>
> Thanks, I prepared the fixes [1].
>
> I'll try to test it if it's not breaking anything for us and send as v2 of [2].
>
> David
>
> [1] https://codeberg.org/sdm845/linux/commits/branch/b4/mdss-reset
> [2] https://patchwork.kernel.org/project/linux-arm-msm/patch/20260112-mdss-reset-v1-1-af7c572204d3@xxxxxxx/
Please don't alter the contents of dt-bindings, it really doesn't matter
if on sdm845 it's reset0 or reset1, that's why we define them in the first
place
Konrad