Re: [RFC PATCH 05/11] arm64: dts: imx8mp: drop gpcv2 vpu power-domains and clocks

From: Marco Felsch
Date: Fri May 02 2025 - 12:55:17 EST


On 25-05-02, Adam Ford wrote:
> On Fri, May 2, 2025 at 10:10 AM Marco Felsch <m.felsch@xxxxxxxxxxxxxx> wrote:
> >
> > The GPCv2 G1, G2 and VC8000E power-domain don't need to reference the
> > VPUMIX power-domain nor their module clocks since the power and reset
> > handling is done by the VPUMIX blkctrl driver.
> >
> It was my understanding that having this dependency ensures the order
> of the bring-up, but maybe I am wrong. Do you know if the 8MP

If that is true, the 8MM should be broken.

> suspend-resume works properly?

No I didn't test suspend/resume.

> Should this get a fixes tag?

It's just a cleanup, therefore I didn't add the fixes-tag.

Regards,
Marco


> > Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
> > ---
> > arch/arm64/boot/dts/freescale/imx8mp.dtsi | 7 -------
> > 1 file changed, 7 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> > index e0d3b8cba221..cf9b6c487bd5 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> > @@ -879,24 +879,17 @@ pgc_mediamix: power-domain@10 {
> >
> > pgc_vpu_g1: power-domain@11 {
> > #power-domain-cells = <0>;
> > - power-domains = <&pgc_vpumix>;
> > reg = <IMX8MP_POWER_DOMAIN_VPU_G1>;
> > - clocks = <&clk IMX8MP_CLK_VPU_G1_ROOT>;
> > };
> >
> > pgc_vpu_g2: power-domain@12 {
> > #power-domain-cells = <0>;
> > - power-domains = <&pgc_vpumix>;
> > reg = <IMX8MP_POWER_DOMAIN_VPU_G2>;
> > - clocks = <&clk IMX8MP_CLK_VPU_G2_ROOT>;
> > -
> > };
> >
> > pgc_vpu_vc8000e: power-domain@13 {
> > #power-domain-cells = <0>;
> > - power-domains = <&pgc_vpumix>;
> > reg = <IMX8MP_POWER_DOMAIN_VPU_VC8000E>;
> > - clocks = <&clk IMX8MP_CLK_VPU_VC8KE_ROOT>;
> > };
> >
> > pgc_hdmimix: power-domain@14 {
> > --
> > 2.39.5
> >
> >
>