Re: [PATCH v2] loongarch/mm: disable WUC for pgprot_writecombine as same as ioremap_wc

[Sui Jingfeng <sui.jingfeng@linux.dev>]

Hi,


On 2024/12/18 14:23, Icenowy Zheng wrote:
> 在 2024-12-18星期三的 11:24 +0800，Sui Jingfeng写道：
>> Hi,
>>
>>
>> On 2024/12/18 02:18, Shuah wrote:
>>> On 12/2/24 09:23, Sui Jingfeng wrote:
>>>> Hi,
>>>>
>>>>> IIUC this is a hardware bug of 7A1000 and 7A2000, so the proper
>>>>> location
>>>>> of the workaround is in the bridge chip driver.  Or am I
>>>>> misunderstanding something?
>>>>>
>>>> You are misunderstanding everything and ranting like a dog.
>>>>
>>> Sui Jingfeng,
>>>
>>> This is not the way to work with your fellow developers in the
>>> community to express disagreements.
>>
>> I'm not expressing disagreements, but argue that the contributor
>> and/or talker should provide *sufficient* hardware details and
>> tests. Instead of pointless *ranting* in order to get harmful
>> patch merged.
> I don't think the original patch is harmful.
>

I have told you countless times, that is, disabling Write-Combine
made the performance of BMC graphics(drm/ast) decrease dramatically.

And downstream Loongson developer really dislike related patch,
and asking for solutions to me.


>> The discussion completely not make scene at all.
>>
>>
>>> I would recommend following up with an apology.
>>>
>> I will not apology to indecent contributors and/or maintainers
>> like this, never.
>>
>>
>>> thanks,
>>> -- Shuah
>>>
>>>
>>>
>>>
>>>
-- 
Best regards,
Sui