[PATCH] ARM: dts: da850: specify max width for display node

Tomi Valkeinen tomi.valkeinen at ti.com
Tue Nov 22 02:27:33 PST 2016


On 22/11/16 11:42, Bartosz Golaszewski wrote:
> It has been determined that the highest resolution supported correctly
> by LCDC rev1 is 800x600 on da850 due to memory bandwidth constraints.
> 
> Set the max_width property in da850.dtsi to 800.
> 
> Signed-off-by: Bartosz Golaszewski <bgolaszewski at baylibre.com>
> ---
>  arch/arm/boot/dts/da850.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
> index 36066fa..0876238 100644
> --- a/arch/arm/boot/dts/da850.dtsi
> +++ b/arch/arm/boot/dts/da850.dtsi
> @@ -441,6 +441,7 @@
>  			compatible = "ti,da850-tilcdc";
>  			reg = <0x213000 0x1000>;
>  			interrupts = <52>;
> +			max-width = <800>;
>  			status = "disabled";
>  		};
>  	};
> 

Does 1024x768 at 10 work?

The max-width should be the hardware's maximum supported width, not used
for bandwidth. tilcdc has max-bandwidth property for that.

 Tomi

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