linux-kernel - Re: [PATCH 2/3] dt-bindings: drm/msm/gpu: Document firmware-name

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Message-ID: <20200108045748.GI738324@yoga>
Date:   Tue, 7 Jan 2020 20:57:48 -0800
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Rob Clark <robdclark@...il.com>
Cc:     dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        Jordan Crouse <jcrouse@...eaurora.org>,
        Sharat Masetty <smasetty@...eaurora.org>,
        Rob Clark <robdclark@...omium.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] dt-bindings: drm/msm/gpu: Document firmware-name

On Tue 07 Jan 17:38 PST 2020, Rob Clark wrote:

> From: Rob Clark <robdclark@...omium.org>
> 
> The firmware-name property in the zap node can be used to specify a
> device specific zap firmware.
> 
> Signed-off-by: Rob Clark <robdclark@...omium.org>

Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>

> ---
>  Documentation/devicetree/bindings/display/msm/gpu.txt | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt
> index 3e6cd3f64a78..7edc298a15f2 100644
> --- a/Documentation/devicetree/bindings/display/msm/gpu.txt
> +++ b/Documentation/devicetree/bindings/display/msm/gpu.txt
> @@ -33,6 +33,8 @@ Required properties:
>  - zap-shader: For a5xx and a6xx devices this node contains a memory-region that
>    points to reserved memory to store the zap shader that can be used to help
>    bring the GPU out of secure mode.
> +- firmware-name: optional property of the 'zap-shader' node, listing the
> +  relative path of the device specific zap firmware.
>  
>  Example 3xx/4xx/a5xx:
>  
> @@ -85,6 +87,7 @@ Example a6xx (with GMU):
>  
>  		zap-shader {
>  			memory-region = <&zap_shader_region>;
> +			firmware-name = "qcom/LENOVO/81JL/qcdxkmsuc850.mbn"
>  		};
>  	};
>  };
> -- 
> 2.24.1
>