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

Bjorn Andersson
2020-01-08T04:57:54Z

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

> From: Rob Clark <robdclark@chromium.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@chromium.org>

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