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

[Sui Jingfeng]

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