Re: [PATCH 1/2] pmdomain: rockchip: Manage the RK3576 GPU domain supply

[Leonard Lausen]

Am 12.11.26 um 16:19 schrieb Ulf Hansson:
> On Mon, Oct 19, 2026 at 11:24 AM Leonard Lausen <leonard@xxxxxxxxx> wrote:
> > On the NanoPi M5, boot hangs during Panfrost initialization. Before this
> > fix, booting required blacklisting Panfrost on the kernel command line.
> > Loading Panfrost after boot reports a GPU power-domain acknowledgment
> > timeout:
> >
> >    failed to get ack on domain 'gpu', val=0x113ff
> >
> > Add regulator support to the RK3576 domain descriptors and mark the GPU
> > domain as regulator-dependent. This lets the existing Rockchip
> > power-domain regulator handling manage the GPU domain supply.
> >
> > A corresponding domain-supply property is needed in the board DT.
> >
> > The regulator-capable descriptors are based on the regulator support in
> > Jiaxing Hu's pending RK3576 NPU enablement series, without its NPU settle
> > delay changes.
> >
> > Link: https://lore.kernel.org/all/20260924102135.92217-10-gahing@xxxxxxxxxxxxx/
> > Fixes: cfee1b507758 ("pmdomain: rockchip: Add support for RK3576 SoC")
> > Signed-off-by: Leonard Lausen <leonard@xxxxxxxxx>
>
> So this should be applied as a fix and tagged for stable kernels, right?
Hi Uffe,

No concerns on backporting from my side. I was previously running 6.19 
and had to disable panfrost to avoid the boot hang fixed here. I 
validated the fix only on 7.3 however. If you prefer only applying to 
next, it also works for me.

Best regards
Leonard