Re: [PATCH v2 4/9] drm/panthor: Implement optional reset

Marek Vasut
2025-09-25T20:41:51Z

On 9/17/25 4:18 PM, Rain Yang wrote:

Hello Jiyu,

sorry for the late reply.

>>> sorry for the inconvienence. this uboot version don't include SM-184's change.
>>> I heard you're using i.MX95 A1 Chip, so you can extract the uboot in below link[1],
>>> or build from source, or raise one ticket in this website[2].
>>
>> I use mainline U-Boot 2025.07 with about 10 extra patches, but nothing
>> significant. I don't think this is U-Boot issue, is it ?
>>
>> I can rebuild SM, which commit in SM (from imx-sm repository) do I need to
>> use ?
>>
>> --
>> Best regards,
>> Marek Vasut
> Hi Marek,
> I think the problem may be about the multi power domain, the second power domain named perf
> is for frequency change only, you can try to power on gpumix power domain only.

I dropped that one.

> as the 0x4d810008 is a write-once register and whose operation has been moved into the SM side,
> so please drop the reset change.
> can you also change the label of the gpu node from gpu to mali like "mali: gpu@4d900000",
> as the internal driver use mali label to control the thermal up/low limitation.

I updated all of the AHAB container, imx-oei and imx-sm components, and
the reset controller is no longer needed indeed.

> BTW, does the dynamic frequency work well on your side so far with perf domain?

How do I test that ?

--
Best regards,
Marek Vasut