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From: tomi.valkeinen@ti.com (Tomi Valkeinen)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: da850: specify max width for display node
Date: Tue, 22 Nov 2016 12:27:33 +0200	[thread overview]
Message-ID: <77c993f3-1b5f-94cf-c4bc-8a30148e0a4d@ti.com> (raw)
In-Reply-To: <1479807775-28283-1-git-send-email-bgolaszewski@baylibre.com>

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@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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  reply	other threads:[~2016-11-22 10:27 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-22  9:42 [PATCH] ARM: dts: da850: specify max width for display node Bartosz Golaszewski
2016-11-22 10:27 ` Tomi Valkeinen [this message]
2016-11-22 10:30   ` Bartosz Golaszewski

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