linux-kernel - Re: [PATCH 08/11] ARM: dts: DRA7xx: Add device tree entry for SGX GPU

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Date: Wed, 10 Jan 2024 10:29:24 +0200
From: Tony Lindgren <tony@...mide.com>
To: Andrew Davis <afd@...com>
Cc: Frank Binns <frank.binns@...tec.com>,
	Matt Coster <matt.coster@...tec.com>,
	"H . Nikolaus Schaller" <hns@...delico.com>,
	Adam Ford <aford173@...il.com>,
	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Samuel Holland <samuel@...lland.org>,
	Benoît Cousson <bcousson@...libre.com>,
	Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
	Tero Kristo <kristo@...nel.org>,
	Paul Cercueil <paul@...pouillou.net>,
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...ts.linux.dev, linux-omap@...r.kernel.org,
	linux-mips@...r.kernel.org
Subject: Re: [PATCH 08/11] ARM: dts: DRA7xx: Add device tree entry for SGX GPU

* Andrew Davis <afd@...com> [240109 17:20]:
> --- a/arch/arm/boot/dts/ti/omap/dra7.dtsi
> +++ b/arch/arm/boot/dts/ti/omap/dra7.dtsi
> @@ -850,12 +850,19 @@ target-module@...00000 {
>  					<SYSC_IDLE_SMART>;
>  			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
>  					<SYSC_IDLE_NO>,
> -					<SYSC_IDLE_SMART>;
> +					<SYSC_IDLE_SMART>,
> +					<SYSC_IDLE_SMART_WKUP>;

You probably checked this already.. But just in case, can you please
confirm this is intentional. The documentation lists the smart wakeup
capability bit as reserved for dra7, maybe the documentation is wrong.

Regards,

Tony