Re: [RESEND PATCH v2 3/6] ARM: dts: stm32: support display on stm32f746-disco board

[Jagan Teki]

On Wed, Jun 7, 2023 at 12:01 PM Dario Binacchi
<dario.binacchi@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> Add support to Rocktech RK043FN48H display on stm32f746-disco board.
>
> Signed-off-by: Dario Binacchi <dario.binacchi@xxxxxxxxxxxxxxxxxxxx>
> ---
>
> (no changes since v1)
>
>  arch/arm/boot/dts/stm32f746-disco.dts | 51 +++++++++++++++++++++++++++
>  1 file changed, 51 insertions(+)
>
> diff --git a/arch/arm/boot/dts/stm32f746-disco.dts b/arch/arm/boot/dts/stm32f746-disco.dts
> index c11616ed5fc6..cda423b6a874 100644
> --- a/arch/arm/boot/dts/stm32f746-disco.dts
> +++ b/arch/arm/boot/dts/stm32f746-disco.dts
> @@ -60,10 +60,41 @@ memory@c0000000 {
>                 reg = <0xC0000000 0x800000>;
>         };
>
> +       reserved-memory {
> +               #address-cells = <1>;
> +               #size-cells = <1>;
> +               ranges;
> +
> +               linux,cma {
> +                       compatible = "shared-dma-pool";
> +                       no-map;
> +                       size = <0x80000>;
> +                       linux,dma-default;
> +               };
> +       };

This looks unrelated to display enablement, isn't it?

Jagan.