How to enable dual display in my android BSP iMX53 ?

[JayZhang]

Here, our board has two displays interfaces, I want to enable both of them.

one is LVDS with a LCD panel, another is a vga interface with monitor, how I can set uboot environment parameters to enable them in Linux and Android.

Sorry for my poor English and thank you for your suggest

Attachment file is our board circuit diagram pdf file..

[JayZhang]

Haven't yet, our new board is not ready.

Krishna Pavan said:

Hi Jay Zhang, Have you tried the di0 and di1 setup?

I saw this in the user guide about the DI pin.

Have you been successful with the Dual Display......?

[KrishnaPavan]

Hi Jay Zhang, Have you tried the di0 and di1 setup?

I saw this in the user guide about the DI pin.

Have you been successful with the Dual Display......?

[Yuri]

Yes, but such configuration was not tested.  

Jay Zhang said:

Thanks for your information.

Can I use two LVDS connect to di0 and di1, so I can show different in two displays.

Sorry for my poor English!

Yuri Muhin said:

Please add the following options to the kernel startup configuration line in Uboot:

video=mxcdi0fb:RGB666,XGA ldb=di0 video=mxcdi1fb:GBR24,VGA-XGA vga

For more information, please refer to the Chapter 10 (i.MX5 Dual Display) of the

“mx53_sabre_tablet_linux.pdf”

https://www.freescale.com/webapp/Download?colCode=IMX53_1105_LINUXD...

http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=RDIM...

Also please look at section 4.4.3 (Dual-Display) of “i.MX Android R10.3.1 User Guide.htm”.

https://www.freescale.com/webapp/Download?colCode=IMX5X_R10_32_ANDR...

[JayZhang]

Thanks for your information.

Can I use two LVDS connect to di0 and di1, so I can show different in two displays.

Sorry for my poor English!

Yuri Muhin said:

Please add the following options to the kernel startup configuration line in Uboot:

video=mxcdi0fb:RGB666,XGA ldb=di0 video=mxcdi1fb:GBR24,VGA-XGA vga

For more information, please refer to the Chapter 10 (i.MX5 Dual Display) of the

“mx53_sabre_tablet_linux.pdf”

https://www.freescale.com/webapp/Download?colCode=IMX53_1105_LINUXD...

http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=RDIM...

Also please look at section 4.4.3 (Dual-Display) of “i.MX Android R10.3.1 User Guide.htm”.

https://www.freescale.com/webapp/Download?colCode=IMX5X_R10_32_ANDR...

[Yuri]

Please add the following options to the kernel startup configuration line in Uboot:

video=mxcdi0fb:RGB666,XGA ldb=di0 video=mxcdi1fb:GBR24,VGA-XGA vga

For more information, please refer to the Chapter 10 (i.MX5 Dual Display) of the

“mx53_sabre_tablet_linux.pdf”

https://www.freescale.com/webapp/Download?colCode=IMX53_1105_LINUXDOCS_BUNDLE&location=null

http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=RDIMX53SABRETAB

Also please look at section 4.4.3 (Dual-Display) of “i.MX Android R10.3.1 User Guide.htm”.

https://www.freescale.com/webapp/Download?colCode=IMX5X_R10_32_ANDROID_DOCSBUNDLE&location=null