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

From: Ulf Hansson

Date: Fri Nov 13 2026 - 15:58:04 EST


On Thu, Nov 12, 2026 at 7:16 PM Sebastian Reichel
<sebastian.reichel@xxxxxxxxxxxxx> wrote:
>
> Hi,
>
> On Thu, Nov 12, 2026 at 04:19:58PM +0100, Ulf Hansson wrote:
> > 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?
>
> Maybe like this, considering it requires regulator support, which
> landed in db6df2e3fc16 ("pmdomain: rockchip: add regulator
> support"):
>
> Cc: stable@xxxxxxxxxxxxxxx # v6.15+

Alright!

Applied for fixes and by adding the above stable tag, thanks!

[...]

Kind regards
Uffe