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why QVGA and WVGA with 1024x768 def ?

johny boy
Prodigy 60 points
Other Parts Discussed in Thread: DA8XX

I'm porting Android 4 on custom Board base on am335x processor. LCD use da8xx-fb.c driver. Inside this driver we find a structure name "struct da8xx_panel". Inside this structure we've got some LCD config. With different definition,

320x240, 800x480, 1024x768, 1280x720.

I don't understand why the only p_disp_panel can be QVGA and WVGA.
 Because we can use 1024x768 def and more.

So is it because this information is not useful and when driver was starting to be write it was only for small def?

If someone can tell me more about it...

Thank you