linux-kernel - Re: [PATCH] arm64: dts: ti: k3-am62-main: Add GPU device node

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <c20b213534667337f08b75a6c325fafec6526135.camel@siemens.com>
Date:   Tue, 5 Dec 2023 11:15:51 +0000
From:   "Sverdlin, Alexander" <alexander.sverdlin@...mens.com>
To:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "donald.robson@...tec.com" <donald.robson@...tec.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     "sarah.walker@...tec.com" <sarah.walker@...tec.com>,
        "kristo@...nel.org" <kristo@...nel.org>, "nm@...com" <nm@...com>,
        "vigneshr@...com" <vigneshr@...com>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "mripard@...nel.org" <mripard@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>
Subject: Re: [PATCH] arm64: dts: ti: k3-am62-main: Add GPU device node

Hi Donald, Sarah et al,

thanks for the patch!

On Mon, 2023-12-04 at 12:15 +0000, Donald Robson wrote:
> From: Sarah Walker <sarah.walker@...tec.com>
> 
> Add the Series AXE GPU node to the AM62 device tree.
> 
> Signed-off-by: Sarah Walker <sarah.walker@...tec.com>
> Signed-off-by: Donald Robson <donald.robson@...tec.com>

powervr fd00000.gpu: [drm] loaded firmware powervr/rogue_33.15.11.3_v1.fw
powervr fd00000.gpu: [drm] FW version v1.0 (build 6503725 OS)
[drm] Initialized powervr 1.0.0 20230904 for fd00000.gpu on minor 0

In general it allows the driver to be probed on TI AM625 EK, so
Tested-by: Alexander Sverdlin <alexander.sverdlin@...mens.com>

But I'm not sure if you maybe want to disable it by default like
other HW blocks for the (potential) boards which don't have video at all.

> ---
>  arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> index e5c64c86d1d5..4338fd8ab2d7 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> @@ -965,4 +965,13 @@ mcasp2: audio-controller@...0000 {
>                 power-domains = <&k3_pds 192 TI_SCI_PD_EXCLUSIVE>;
>                 status = "disabled";
>         };
> +
> +       gpu: gpu@...0000 {
> +               compatible = "ti,am62-gpu", "img,img-axe";
> +               reg = <0x00 0x0fd00000 0x00 0x20000>;
> +               clocks = <&k3_clks 187 0>;
> +               clock-names = "core";
> +               interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
> +               power-domains = <&k3_pds 187 TI_SCI_PD_EXCLUSIVE>;
> +       };
>  };

-- 
Alexander Sverdlin
Siemens AG
www.siemens.com