Re: [PATCH RFC 4/4] arm64: dts: qcom: Enable GPU & GMU on Glymur CRD

Dmitry Baryshkov
2026-04-04T21:44:14Z

On Sun, Apr 05, 2026 at 02:33:17AM +0530, Akhil P Oommen wrote:
> Enable the necessary DT nodes to add support for GPU on the Glymur CRD.
> The Glymur CRD boots Linux at EL2, which means it doesn't require the
> secure GPU firmware (zap fw).

Is this going to be a default mode for other laptops too? Otherwise it
might be better to keep ZAP node enabled by default and disable it here.

>
> Signed-off-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
> ---
> arch/arm64/boot/dts/qcom/glymur-crd.dts | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/glymur-crd.dts b/arch/arm64/boot/dts/qcom/glymur-crd.dts
> index 51ea23a49b9e..a579df902323 100644
> --- a/arch/arm64/boot/dts/qcom/glymur-crd.dts
> +++ b/arch/arm64/boot/dts/qcom/glymur-crd.dts
> @@ -110,6 +110,14 @@ vreg_misc_3p3: regulator-misc-3p3 {
> };
> };
>
> +&gpu {
> + status = "okay";
> +};
> +
> +&gmu {
> + status = "okay";
> +};
> +
> &i2c0 {
> clock-frequency = <400000>;
>
>
> --
> 2.51.0
>

--
With best wishes
Dmitry