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From: Matt Coster <Matt.Coster@imgtec.com>
To: Michal Wilczynski <m.wilczynski@samsung.com>,
	"mturquette@baylibre.com" <mturquette@baylibre.com>,
	"sboyd@kernel.org" <sboyd@kernel.org>,
	"robh@kernel.org" <robh@kernel.org>,
	"krzk+dt@kernel.org" <krzk+dt@kernel.org>,
	"conor+dt@kernel.org" <conor+dt@kernel.org>,
	"drew@pdp7.com" <drew@pdp7.com>,
	"guoren@kernel.org" <guoren@kernel.org>,
	"wefu@redhat.com" <wefu@redhat.com>,
	"jassisinghbrar@gmail.com" <jassisinghbrar@gmail.com>,
	"paul.walmsley@sifive.com" <paul.walmsley@sifive.com>,
	"palmer@dabbelt.com" <palmer@dabbelt.com>,
	"aou@eecs.berkeley.edu" <aou@eecs.berkeley.edu>,
	Frank Binns <Frank.Binns@imgtec.com>,
	"maarten.lankhorst@linux.intel.com"
	<maarten.lankhorst@linux.intel.com>,
	"mripard@kernel.org" <mripard@kernel.org>,
	"tzimmermann@suse.de" <tzimmermann@suse.de>,
	"airlied@gmail.com" <airlied@gmail.com>,
	"simona@ffwll.ch" <simona@ffwll.ch>,
	"ulf.hansson@linaro.org" <ulf.hansson@linaro.org>,
	"jszhang@kernel.org" <jszhang@kernel.org>,
	"p.zabel@pengutronix.de" <p.zabel@pengutronix.de>,
	"m.szyprowski@samsung.com" <m.szyprowski@samsung.com>
Cc: "linux-clk@vger.kernel.org" <linux-clk@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-riscv@lists.infradead.org"
	<linux-riscv@lists.infradead.org>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: Re: [PATCH v4 11/18] dt-bindings: gpu: Add 'resets' property for GPU initialization
Date: Fri, 31 Jan 2025 15:39:36 +0000	[thread overview]
Message-ID: <ed1920cc-7cd5-4af7-a945-bb71296010e3@imgtec.com> (raw)
In-Reply-To: <20250128194816.2185326-12-m.wilczynski@samsung.com>


[-- Attachment #1.1: Type: text/plain, Size: 1291 bytes --]

On 28/01/2025 19:48, Michal Wilczynski wrote:
> Many RISC-V boards featuring Imagination Technologies GPUs require a
> reset line to be de-asserted as part of the GPU power-up sequence. To
> support this, add a 'resets' property to the GPU device tree bindings.
> This ensures the GPU can be properly initialized on these platforms.

My comment on P10 ("drm/imagination: Add reset controller support for
GPU initialization") applies here too - would you mind rewording this?

Cheers,
Matt

> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>
> ---
>  Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml b/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml
> index 256e252f8087..bb607d4b1e07 100644
> --- a/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml
> +++ b/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml
> @@ -37,6 +37,9 @@ properties:
>    power-domains:
>      maxItems: 1
>  
> +  resets:
> +    maxItems: 1
> +
>  required:
>    - compatible
>    - reg

-- 
Matt Coster
E: matt.coster@imgtec.com

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  reply	other threads:[~2025-01-31 15:40 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20250128194825eucas1p14e2cb0a85c397dea297e9c4177cf1585@eucas1p1.samsung.com>
2025-01-28 19:47 ` [PATCH v4 00/18] Enable drm/imagination BXM-4-64 Support for LicheePi 4A Michal Wilczynski
2025-01-28 19:47   ` [PATCH v4 01/18] dt-bindings: clock: thead: Add TH1520 VO clock controller Michal Wilczynski
2025-01-29  7:29     ` Krzysztof Kozlowski
2025-01-28 19:48   ` [PATCH v4 02/18] clk: thead: Add clock support for VO subsystem in T-Head TH1520 SoC Michal Wilczynski
2025-01-31 15:39     ` Matt Coster
2025-02-03 16:37       ` Michal Wilczynski
2025-01-28 19:48   ` [PATCH v4 03/18] dt-bindings: firmware: thead,th1520: Add support for firmware node Michal Wilczynski
2025-01-29  7:30     ` Krzysztof Kozlowski
2025-01-28 19:48   ` [PATCH v4 04/18] firmware: thead: Add AON firmware protocol driver Michal Wilczynski
2025-02-14 11:01     ` Ulf Hansson
2025-01-28 19:48   ` [PATCH v4 05/18] dt-bindings: power: Add TH1520 SoC power domains Michal Wilczynski
2025-01-29  7:31     ` Krzysztof Kozlowski
2025-01-28 19:48   ` [PATCH v4 06/18] pmdomain: thead: Add power-domain driver for TH1520 Michal Wilczynski
2025-02-14 11:15     ` Ulf Hansson
2025-01-28 19:48   ` [PATCH v4 07/18] riscv: Enable PM_GENERIC_DOMAINS for T-Head SoCs Michal Wilczynski
2025-01-28 19:48   ` [PATCH v4 08/18] dt-bindings: reset: Add T-HEAD TH1520 SoC Reset Controller Michal Wilczynski
2025-01-29  7:32     ` Krzysztof Kozlowski
2025-01-28 19:48   ` [PATCH v4 09/18] reset: thead: Add TH1520 reset controller driver Michal Wilczynski
2025-01-29 12:04     ` Philipp Zabel
2025-01-31 15:39     ` Matt Coster
2025-02-03 18:15       ` Michal Wilczynski
2025-02-04 17:18         ` Philipp Zabel
2025-02-10 18:17           ` Michal Wilczynski
2025-02-11 11:59             ` Philipp Zabel
2025-01-28 19:48   ` [PATCH v4 10/18] drm/imagination: Add reset controller support for GPU initialization Michal Wilczynski
2025-01-31 15:39     ` Matt Coster
2025-01-28 19:48   ` [PATCH v4 11/18] dt-bindings: gpu: Add 'resets' property " Michal Wilczynski
2025-01-31 15:39     ` Matt Coster [this message]
2025-01-28 19:48   ` [PATCH v4 12/18] dt-bindings: gpu: Add support for T-HEAD TH1520 GPU Michal Wilczynski
2025-01-29  1:42     ` Rob Herring (Arm)
2025-01-31 15:39     ` Matt Coster
2025-02-03 17:58       ` Michal Wilczynski
2025-01-28 19:48   ` [PATCH v4 13/18] drm/imagination: Add support for IMG BXM-4-64 GPU Michal Wilczynski
2025-01-31 15:39     ` Matt Coster
2025-01-28 19:48   ` [PATCH v4 14/18] drm/imagination: Enable PowerVR driver for RISC-V Michal Wilczynski
2025-01-28 19:48   ` [PATCH v4 15/18] riscv: dts: thead: Add device tree VO clock controller Michal Wilczynski
2025-01-28 19:48   ` [PATCH v4 16/18] riscv: dts: thead: Introduce power domain nodes with aon firmware Michal Wilczynski
2025-01-28 19:48   ` [PATCH v4 17/18] riscv: dts: thead: Introduce reset controller node Michal Wilczynski
2025-01-28 19:48   ` [PATCH v4 18/18] riscv: dts: thead: Add GPU node to TH1520 device tree Michal Wilczynski
2025-01-31 15:39   ` [PATCH v4 00/18] Enable drm/imagination BXM-4-64 Support for LicheePi 4A Matt Coster
2025-02-03 16:33     ` Michal Wilczynski

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