Re: [PATCH 1/3] dt-bindings: display: msm: Allow two MDSS power domains

[Konrad Dybcio]

On 8/17/26 4:13 PM, Konrad Dybcio wrote:
> On 8/13/26 9:44 AM, Yongxing Mou wrote:
>>
>>
>> On 7/20/2026 4:49 PM, Konrad Dybcio wrote:
>>> On 7/20/26 10:43 AM, Yongxing Mou wrote:
>>>> Kaanapali (SM8750) and Glymur use two display power domains.
>>>> CORE_GDSC powers the main display hardware while INT2_GDSC
>>>> powers a subset of SSPP blocks.
>>>
>>> Can they operate independently? Does INT2_GDSC need to be
>>> powered on after CORE_GDSC?
>>>
>> On Kaanapali, my understanding is that CORE_GDSC and INT2_GDSC should generally track the same state, except that INT2_GDSC may be powered down when SSPP1 (VIG2/VIG3/DMA5) is unused.
> 
> Is the MDSS any useful if *only* INT2_GDSC is enabled? Can the INT2_GDSC
> be enabled itself if CORE_GDSC is off?

(I didn't quite know how to parse the list of states you provided in your
reply so I asked again)

Konrad