Re: [PATCH v2] drm/amd/pm: defer UCLK DPM enablement on Apple Navi 14

[Alex Deucher]

On Tue, Sep 15, 2026 at 7:20 PM Atharva Tiwari
<atharvatiwarilinuxdev@xxxxxxxxx> wrote:
>
> > I can drop the patch if you feel strongly, although it is pretty
> > similar your original patch, it just keeps all of the logic within
> > navi10_ppt.c which is cleaner in my opinion rather than pulling navi1x
> > specific logic into the core pm code.
> >
> > Alex
>
> I dont have problem with the code, the problem is that, this is not the
> solution to this problem, as i said in the previous, the solution lies
> in the DC not the SMU (i tested by removing dce_v10_0_early_init and adding
> that function to dce_v10_sw_init), it is also confirmed via the testing using
> Opencore Lecacy patcher, which makes the display 5K, and make the display not
> use compatibility mode (4K), and it also fixes the SMU problem.
>
> (https://gitlab.freedesktop.org/drm/amd/-/work_items/4455)
>
> You can choose to upstream this, i dont necessarily have a problem with this
> patch as long as i am the patch author (eg using From: )

I'll drop the patch for now.  Once it gets sorted out, we can help
review the new one.

Thanks,

Alex