linux-kernel - Re: [PATCH 2/3] arm64: dts: ti: k3-am62p-j722s: enable the bxs-4-64

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Message-ID: <20250813181002.33kylnrbwzpclgvf@browsing>
Date: Wed, 13 Aug 2025 13:10:02 -0500
From: Nishanth Menon <nm@...com>
To: Randolph Sapp <rs@...com>
CC: <vigneshr@...com>, <kristo@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>, <d-gole@...com>,
        <afd@...com>, <bb@...com>, <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <detheridge@...com>, <matt.coster@...tec.com>,
        Michael Walle
	<mwalle@...nel.org>
Subject: Re: [PATCH 2/3] arm64: dts: ti: k3-am62p-j722s: enable the bxs-4-64

On 12:56-20250813, Randolph Sapp wrote:
> On Wed Aug 13, 2025 at 10:17 AM CDT, Nishanth Menon wrote:
> > On 18:25-20250808, rs@...com wrote:
> >> From: Randolph Sapp <rs@...com>
> >> 
> >> Add the relevant device tree node for Imagination's BXS-4-64 GPU.
> >> 
> >> These devices specifically do not set the dma-coherent bit because they
> >> do not use the same MSMC configuration as other BXS-4-64 enabled TI
> >> platforms.
> >> 
> >> Signed-off-by: Randolph Sapp <rs@...com>
> >> ---
> >>  .../boot/dts/ti/k3-am62p-j722s-common-main.dtsi     | 13 +++++++++++++
> >>  1 file changed, 13 insertions(+)
> >> 
> >> diff --git a/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi
> >> index 2e5e25a8ca86..a51db8f9dff8 100644
> >> --- a/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi
> >> +++ b/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi
> >> @@ -690,6 +690,19 @@ ospi0: spi@...0000 {
> >>  		};
> >>  	};
> >>  
> >> +	gpu: gpu@...0000 {
> >> +		compatible = "ti,j721s2-gpu", "img,img-bxs-4-64", "img,img-rogue";
> >
> > Note the discussion in https://lore.kernel.org/linux-arm-kernel/DBE4UO2RGAYX.17V1DAF8MQYJM@kernel.org/
> >
> >> +		reg = <0x00 0x0fd80000 0x00 0x80000>;
> >> +		clocks = <&k3_clks 237 1>;
> >> +		clock-names = "core";
> >> +		assigned-clocks = <&k3_clks 237 1>;
> >> +		assigned-clock-rates = <800000000>;
> >> +		interrupts = <GIC_SPI 241 IRQ_TYPE_LEVEL_HIGH>;
> >> +		power-domains = <&k3_pds 237 TI_SCI_PD_EXCLUSIVE>,
> >> +				<&k3_pds 242 TI_SCI_PD_EXCLUSIVE>;
> >> +		power-domain-names = "a", "b";
> >> +	};
> >> +
> >>  	cpsw3g: ethernet@...0000 {
> >>  		compatible = "ti,am642-cpsw-nuss";
> >>  		#address-cells = <2>;
> >> -- 
> >> 2.50.1
> >> 
> >
> > Is the issue that Michael reported
> > https://lore.kernel.org/linux-arm-kernel/20250716134717.4085567-3-mwalle@kernel.org/
> > resolved?
> 
> Define resolved. If by resolved you mean using the same hack we have had on the
> out of tree module for years, then yes it is resolved.

Please share a bootlog with gpu and linux-next kernel with just this series
applied? Please provide complete lsmod and cat /proc/interrupts for
reference.

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D
https://ti.com/opensource