Messages in this thread | | | Subject | Re: [PATCH] ARM: dts: da850: specify the maximum bandwidth for tilcdc | From | Sekhar Nori <> | Date | Mon, 28 Nov 2016 10:54:01 +0530 |
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On Friday 25 November 2016 09:07 PM, Bartosz Golaszewski wrote: > It has been determined that the maximum resolution supported correctly > by tilcdc rev1 on da850 SoCs is 800x600@60. Due to memory throughput > constraints we must filter out higher modes. > > Specify the max-bandwidth property for the display node for > da850-based boards. > > 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 8e30d9b..9b7c444 100644 > --- a/arch/arm/boot/dts/da850.dtsi > +++ b/arch/arm/boot/dts/da850.dtsi > @@ -452,6 +452,7 @@ > compatible = "ti,da850-tilcdc"; > reg = <0x213000 0x1000>; > interrupts = <52>; > + max-bandwidth = <28800000>;
If this is effectively the max pixel clock that the device supports, then why not use the datasheet specified value of 37.5 MHz (Tc = 26.66 ns).
Thanks, Sekhar
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