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.