[PATCH] board: rpi: Pass CMA through from firmware DT

[Matthias Brugger]

On 4/10/24 10:41, Peter Robinson wrote:
> For a lot of usecases, such as display, camera, media
> the Raspberry Pi needs a lot more CMA than distros
> configure as default so we should pass this parameter
> through so things work as expected. Fix a spelling
> mistake while we're at it.
> 
> Signed-off-by: Peter Robinson <pbrobinson at gmail.com>

Acked-by: Matthias Brugger <mbrugger at suse.com>

> ---
>   board/raspberrypi/rpi/rpi.c | 5 ++++-
>   1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
> index ab5ea85cf9f..d4dbd96bc96 100644
> --- a/board/raspberrypi/rpi/rpi.c
> +++ b/board/raspberrypi/rpi/rpi.c
> @@ -540,7 +540,7 @@ void  update_fdt_from_fw(void *fdt, void *fw_fdt)
>   	if (fdt == fw_fdt)
>   		return;
>   
> -	/* The firmware provides a more precie model; so copy that */
> +	/* The firmware provides a more precise model; so copy that */
>   	copy_property(fdt, fw_fdt, "/", "model");
>   
>   	/* memory reserve as suggested by the firmware */
> @@ -561,6 +561,9 @@ void  update_fdt_from_fw(void *fdt, void *fw_fdt)
>   
>   	/* address of the PHY device as provided by the firmware  */
>   	copy_property(fdt, fw_fdt, "ethernet0/mdio at e14/ethernet-phy at 1", "reg");
> +
> +	/* copy the CMA memory setting from the firmware DT to linux */
> +	copy_property(fdt, fw_fdt, "cma", "size");
>   }
>   
>   int ft_board_setup(void *blob, struct bd_info *bd)