[PATCH linux dev-4.13 5/5] ARM: dts: witherspoon: Enable the GFX IP

Andrew Jeffery andrew at aj.id.au
Thu Apr 19 15:58:32 AEST 2018


On Thu, 19 Apr 2018, at 13:50, Joel Stanley wrote:
> The GFX controller is the internal graphics device used by the SoC
> (opposed to the one connected via the PCIe device and used by the host).
> 
> This configures it with a framebuffer region and adds it to the command
> line so kernel boot messages appear on the display.
> 
> Signed-off-by: Joel Stanley <joel at jms.id.au>

Reviewed-by: Andrew Jeffery <andrew at aj.id.au>

> ---
>  arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts b/arch/
> arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
> index e8e4d305a9cf..596608f4b936 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
> @@ -26,6 +26,13 @@
>  			no-map;
>  			reg = <0x98000000 0x04000000>; /* 64M */
>  		};
> +
> +		gfx_memory: framebuffer {
> +			size = <0x01000000>;
> +			alignment = <0x01000000>;
> +			compatible = "shared-dma-pool";
> +			reusable;
> +		};
>  	};
>  
>  	gpio-keys {
> @@ -617,6 +624,7 @@
>  
>  &gfx {
>  	status = "okay";
> +	memory-region = <&gfx_memory>;
>  };
>  
>  &pinctrl {
> -- 
> 2.17.0
> 


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