Re: [PATCH v3 1/2] dt-bindings: gpu: img,powervr-rogue: add spacemit,k3-gpu

[Krzysztof Kozlowski <krzk@kernel.org>]

On 29/07/2026 11:14, Baihui Liang wrote:
> On Wed Jul 29, 2026 at 3:57 PM CST, Krzysztof Kozlowski wrote:
>> On 29/07/2026 09:46, Baihui Liang wrote:
>>> On Tue, Jul 28, 2026, Krzysztof Kozlowski wrote:
>>> > > [...]
>>> > > spacemit,k3-gpu is added to the existing ti,am62-gpu/ti,am62p-gpu/
>>> > > ti,j721s2-gpu "if" block that restricts clocks to a single entry,
>>> > > since K3 has the same single-clock requirement. It does not match any
>>> > > "if" block that constrains power-domains, so that property falls back
>>> >
>>> > I don't get this explanation. Are you explaining what the patch is doing
>>> > or explaining WHY you did this that way?
>>>
>>>
>>> That paragraph was describing schema mechanics, which does not belong in
>>> a commit message. v4 will drop it and state only the hardware facts: the
>>> K3 integration of the BXM-4-64 has a single "core" clock, and it has no
>>> software-controllable GPU power domain.
>>>
>>>
>>> > > to this schema's general constraints, where it is optional. This
>>> > > leaves room for a power-domains provider to be added later without a
>>> > > further binding change, should one ever be modelled in Linux for this
>>> > > SoC.
>>> >
>>> > No, you need to provide constraints now. Please read carefully
>>> > writing-bindings.
>>>
>>>
>>> Understood. spacemit,k3-gpu currently matches no power-domains "if"
>>> block, so it falls back to the top-level 1-2 domains with
>>> power-domain-names "a"/"b". That would let a K3 DT with two power
>>> domains pass validation, which does not describe this hardware. v4 will
>>> add an explicit "if" block:
>>>
>>>
>>>     - if:
>>>         properties:
>>>           compatible:
>>>             contains:
>>>               const: spacemit,k3-gpu
>>>       then:
>>>         properties:
>>>           power-domains: false
>>>           power-domain-names: false
>>
>> I understand only half of this. Please fix your email client.
>>
>> And why this reply misses reply-to header which connects it to proper
>> thread? How am I supposed to find the thread now, among 200 I received
>> yesterday?
> 
> Sorry -- that went out through a webmail client which sent HTML, so the
> quoting and the YAML indentation were destroyed, and it composed a new
> message instead of replying in place, which is why it lost the thread.
> I have switched to git send-email over our own SMTP; this reply should
> be plain text and properly threaded.
> 
>> So your name is presented here as "Baihui Liang" then why do you use
>> some fake company name?
> 
> liangbaihui@linux.spacemit.com is my real work address at SpacemiT. It is
> now sent through the company's own mail server.

Again: then why do you use fake company name as name? Actually not a
company name, but laminated product of some company?

What is Sterling-Ash?

Best regards,
Krzysztof