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

[Simon Glass]

On Fri, 4 Oct 2024 at 02:41, Peter Robinson <pbrobinson at gmail.com> 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>
> ---
>  board/raspberrypi/rpi/rpi.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
>

Reviewed-by: Simon Glass <sjg at chromium.org>


> 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)
> --
> 2.46.2
>