Re: [PATCH v2 9/9] arm64: dts: imx95: Describe Mali G310 GPU

Alexander Stein
2025-03-25T07:00:14Z

Hi Marek,

Am Dienstag, 25. März 2025, 00:35:41 CET schrieb Marek Vasut:
> On 3/24/25 8:02 AM, Alexander Stein wrote:
>
> Hi,
>
> >> @@ -1890,6 +1919,35 @@ netc_emdio: mdio@0,0 {
> >> };
> >> };
> >>
> >> + gpu_blk_ctrl: reset-controller@4d810000 {
> >> + compatible = "nxp,imx95-gpu-blk-ctrl";
> >> + reg = <0x0 0x4d810000 0x0 0xc>;
> >> + #reset-cells = <1>;
> >> + clocks = <&scmi_clk IMX95_CLK_GPUAPB>;
> >> + assigned-clocks = <&scmi_clk IMX95_CLK_GPUAPB>;
> >> + assigned-clock-parents = <&scmi_clk IMX95_CLK_SYSPLL1_PFD1_DIV2>;
> >> + assigned-clock-rates = <133333333>;
> >> + power-domains = <&scmi_devpd IMX95_PD_GPU>;
> >> + };
> >
> > With the SM release lf-6.12.3-1.0.0 AP does not have any access to
> > this BLK_CTRL anymore. See [1]
> I just built SM 6.12 and it still requires the reset, without reset I
> cannot use the GPU ... or ... which BLK CTRL do you refer to ?

I'm specifically looking at [1]. AFAIU after that change AP has no access
to BLK_CTRL_GPUMIX. But this is just from looking at the changes.

Best regards
Alexander

[1] https://github.com/nxp-imx/imx-sm/commit/a3e5da9ea51144f513ac3909fa151fa7df394100
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