7" 10" display for imx53 linux?

[Hitex]

Hi all,

We are using a 4.3" wvga display for imx53 running linux.

Is there a support for 7" and 10" wvga/lvds/hdmi for the same.Has anyone tried it.How about the scaling?

[YamilGarcia]

Hi all,

I already tried VGA, HDMI, SEIKO 4.3" and CLAA 7" on iMX53 Quick Start Board and worked fine.

The only thing to take care is to set the right video kernel parameter.

for HDMI:           video=mcxdi0fb:RGB24,1024x768M@60 hdmi di0_primary

for SEIKO 4.3":  video=mcxdi0fb:RGB24,SEIKO-WVGA di0_primary

for CLAA 7":       video=mcxdi0fb:RGB565,CLAA-WVGA di0_primary

[Hitex]

I want to order a display for imx53 board.have tried the standard MCIMX28LCD.But wanted a bigger one with good clarity.It should be WVGA.the compatible ones mentioned  in freescale website are

- MCIMX28LCD (4.3'' WVGA, resistive touch)

 - MCIMX51LCD (7'' WVGA, resistive touch)

 - MCIMX-LVDS1 (10.1'' XGA, capacitive touch)

i donot want 10"because it is XGA.

So the other left out option is MCIMX51LCD (7'' WVGA, resistive touch).

If i buy this one and fit it to the imx53 instead of  MCIMX28LCD (4.3'' WVGA, resistive touch).

What are the changes required?How can i make it work?

Would there be a change in the firmware or speed or clarity?

[dhlii]

I can not grasp why there would be a loss of display clarity either on android or Linux.

There are myriads of displays/touch screens that would work with the i.MX53, though all are not likely to be compaitble with the connections provided on the QSB.

Performance would not likely be an issue unless you connected an SPI or I2C display or something else that did not really use the i.MX53 video processing.

[VladanJovanovic]

What do you mean by display clarity is reduced How/why would that happen?

Display size doesn't reduce CPU performance as such :-)

But of course, higher resolution displays require more memory bandwidth to continuously update the display (in one second you need to transfer width*height*bytes_per_pixel*refresh_rate bytes), but i.MX53 can drive full HD (1920x1080) displays (and some beyond) so there's plenty of room to spare there...

Tried MCIMX28LCD and the LVDS one, and both work fine...

[Hitex]

Hi 

thanks for the reply

But i was told that the display clarity is reduced in the in imx53 using andriod and hence the same can be expected in linux as well. 

My concern is that the 7" or 10" wvga must not slow down the CPU and affect performance.

Will the 10" LVDS have better clarity than above.Also will it slow down the CPU?

Have you tested /tried the above

kindly help

regards,

Hitesh

Vladan Jovanovic said:

Hi,

looking at Linux BSP release notes, these displays are supported with i.MX53QSB (part numbers on freescale web site):

 - MCIMX28LCD (4.3'' WVGA, resistive touch)

 - MCIMX51LCD (7'' WVGA, resistive touch)

 - MCIMX-LVDS1 (10.1'' XGA, capacitive touch)

In addition you have analog VGA on board and HDMI add-on card available.

[VladanJovanovic]

Hi,

looking at Linux BSP release notes, these displays are supported with i.MX53QSB (part numbers on freescale web site):

 - MCIMX28LCD (4.3'' WVGA, resistive touch)

 - MCIMX51LCD (7'' WVGA, resistive touch)

 - MCIMX-LVDS1 (10.1'' XGA, capacitive touch)

In addition you have analog VGA on board and HDMI add-on card available.